CN116371517B - Underground mining broken stone safe conveying device and conveying method thereof - Google Patents
Underground mining broken stone safe conveying device and conveying method thereof Download PDFInfo
- Publication number
- CN116371517B CN116371517B CN202310662363.0A CN202310662363A CN116371517B CN 116371517 B CN116371517 B CN 116371517B CN 202310662363 A CN202310662363 A CN 202310662363A CN 116371517 B CN116371517 B CN 116371517B
- Authority
- CN
- China
- Prior art keywords
- conveying
- crushed
- crushed stone
- crushing roller
- hopper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004575 stone Substances 0.000 title claims abstract description 172
- 238000005065 mining Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000012216 screening Methods 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 12
- 230000005484 gravity Effects 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000007790 scraping Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000011435 rock Substances 0.000 claims 1
- 238000005096 rolling process Methods 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000010298 pulverizing process Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- 239000003245 coal Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000005056 compaction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/286—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/12—Apparatus having only parallel elements
- B07B1/14—Roller screens
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The application discloses a safe conveying device for underground mining broken stone and a conveying method thereof, wherein the safe conveying device comprises a conveying belt and further comprises the following steps: the discharging unit is arranged at one end of the conveying belt and used for receiving, screening and conveying crushed stones downwards; the blanking unit comprises: the bearing hopper is arranged at the top of the conveying belt and is used for bearing crushed stones through the rotating device, the bearing hopper is driven to rotate along the rotating shaft by the self gravity of the crushed stones and the downward falling impact force, the crushed stones fall down through the interval between the conveying rollers in the rotating process, large crushed stones move through the partition plate in the swinging of the bearing hopper to crush the large crushed stones through the first crushing roller, the second crushing roller and the rolling between the first crushing roller and the conveying roller, the crushed stones can fall down and continue to move back and forth in the bearing hopper without crushing until the crushed stones are crushed.
Description
Technical Field
The application relates to the technical field of crushed stone conveying，In particular to a safety conveying device and a conveying method for underground mining broken stone.
Background
Coal mines are areas where mankind is mining coal resources in a mining area rich in coal, and are generally classified into an underground coal mine and an open pit coal mine, the mining of the coal mine needs to be performed by a mining machine, and the mined coal mine needs to be conveyed by a conveying machine.
According to the disclosed broken stone conveying device for mining of patent number CN107458820B, this broken stone conveying device for mining for the broken stone transportation is very convenient, and the device is very stable simultaneously, prevents to take place the skew at the in-process of transportation, very big reduction the waste of time, make can effectually transport the broken stone, can prevent simultaneously that the broken stone from dropping in the transportation, very big guarantee constructor's safety has reduced the time of clearance simultaneously, very big promotion work efficiency.
However, in the process of implementing the related technical scheme, at least the following technical problems are found: firstly, in carrying out the transportation process, the rubble is directly emptyd it into the box after smashing, and the rubble volume causes smashing incompletely more, carries the back that accomplishes and need sieve once more, secondly, when carrying the rubble, because the box utilizes the rubble of ejection of compact to fall in the box rubble control box open and shut of rubble, can make the rubble that drops in the box limited when the opening diminishes, makes the quantity of single transport rubble in the box less to influence the conveying efficiency of rubble.
Disclosure of Invention
The application provides a safety conveying device for underground mining broken stone and a conveying method thereof, which solve the problems of different broken stone crushing degrees and less broken stone conveying amount in the prior art, and realize that broken stone is screened and repeatedly crushed under the combined action of impact force and broken stone gravity and then conveyed.
The application provides a safety conveying device for underground mining broken stone, which comprises a conveying belt and further comprises: the discharging unit is arranged at one end of the conveying belt and used for receiving, screening and conveying crushed stones downwards; the blanking unit comprises: the receiving hopper is arranged at the top of the conveying belt, a plurality of groups of conveying rollers are arranged in the receiving hopper at equal intervals along the length direction of the receiving hopper, and the conveying rollers are used for conveying and screening crushed stones; the rotating assembly is connected with the receiving hopper, and the receiving hopper is controlled to rotate by the impact force of the falling of the crushed stone so as to screen the crushed stone; the crushing assembly is arranged in the receiving hopper and is used for continuously crushing the sieved crushed stone; and the conveying unit is arranged on the conveying belt and used for placing the crushed stones and sequentially conveying the crushed stones forwards.
Further, the conveying unit includes: the conveying hoppers are provided with a plurality of groups along the length direction of the conveying belt and are used for conveying crushed stones along the direction of the conveying belt; the vibration assemblies are arranged on two sides of the conveying hopper and used for reducing gaps among crushed stones and increasing the mass for storing the crushed stones; and the blocking components are arranged on two sides of the conveying belt and used for controlling the conveying hopper to prevent broken stones from falling off in the process of conveying the broken stones.
Further, the rotating assembly includes: the rotating shafts are rotatably arranged on two sides of the conveying belt through connecting plates; the first elastic piece is symmetrically arranged between the bottom of the receiving hopper and the conveying belt; the second elastic piece is symmetrically arranged between the top of the receiving hopper and the conveying belt; the balancing weight is arranged between the second elastic piece and the conveying belt and used for accelerating the rotation speed of the bearing hopper.
Further, the receiving hopper forms an inclination angle with the ground and is opposite to the inclination direction of the conveying belt.
Further, the pulverizing assembly includes:
the separation plate is arranged at the center of the receiving hopper, and a conveying port is formed in the position, close to the conveying roller, of the separation plate; the first crushing roller is arranged on one side of the conveying opening, a first gap is formed between the first crushing roller and the conveying roller, and the first gap is used for the passage of broken stone; the second crushing roller is arranged above the first crushing roller, a second gap is formed between the first crushing roller and the second crushing roller, and the second gap is used for the passage of accumulated broken stone; the first guide plate is arranged on one side of the first crushing roller and used for guiding crushed stone crushed by the second gap, and sieve holes are formed in the first guide plate; the second guide plate is arranged on one side of the second crushing roller, a third gap is formed between the first guide plate and the second guide plate, and the third gap is used for isolating broken stone.
Further, one sides of the first guide plate and the second guide plate, which are close to the first crushing roller and the second crushing roller, are respectively provided with a scraping plate for scraping off the surface slag of the first crushing roller and the second crushing roller.
Further, the vibration assembly includes: the mounting frame is arranged at the center of the conveying hopper; the gears are provided with two groups and are symmetrically arranged on the mounting frame; the toggle rod is arranged on one side of the gear; the third elastic piece is arranged between the poking rod and the conveying hopper; the connecting rod is coaxially connected with the gear, a vibrating block is arranged at the bottom of the connecting rod and used for vibrating the side wall of the conveying hopper to reduce gaps among broken stones.
Further, the blocking components are symmetrically provided with two groups in the width direction of the conveying belt.
Further, the blocking assembly includes: the baffle plates are provided with two groups and are symmetrically arranged on two sides of the connecting conveying hopper, and the baffle plates are arranged on the mounting frame in a sliding manner; the fourth elastic piece is arranged on the baffle and the mounting frame; and the limiting plates are arranged on two sides of the conveying belt and used for controlling the baffle to block the conveying hopper.
A method for safely conveying crushed stone for underground mining, comprising the following steps:
s1, blanking is carried out, broken stones are shaken off into a carrying bucket through a mining device, and the carrying bucket receives the gravity of the broken stones and the falling impact force, so that the left side of the carrying bucket rotates towards the direction of a conveying belt by taking a rotating shaft as an axis;
s2, impact screening, wherein the fallen crushed stone part falls downwards through the space between the conveying rollers to realize preliminary screening on the crushed stone, and the crushed stone which fails to fall from the space between the conveying rollers moves back and forth along the length direction of the receiving hopper under the action of the first elastic piece, the second elastic piece and the balancing weight until the crushed stone moves to the right side of the partition plate;
s3, crushing and screening, namely crushing the large crushed stone moving to the right side of the partition plate under the opposite extrusion of the first crushing roller and the second crushing roller, so that the large crushed stone passes through the first gap, the second gap and the third gap, and the large crushed stone which is not completely crushed can still be crushed again under the swinging of the receiving hopper;
s4, saturated conveying, namely enabling broken stones passing through the space between the conveying rollers to fall into the conveying hoppers, driving the toggle rods to rotate in the process of swinging the receiving hoppers, enabling the vibrating blocks to vibrate two sides of the conveying hoppers to reduce gaps between the conveying hoppers, and enabling the broken stones to convey broken stones with more mass;
s5, sealing and conveying, namely conveying the conveying hopper filled with crushed stone forwards, controlling opening and closing of the baffle under the action of the limiting plate, sealing the crushed stone in the continuous conveying process after the blanking of the crushed stone is completed, avoiding the crushed stone from falling off, and opening the conveying hopper at the outlet, so that the opening of the conveying hopper is sealed and opened.
The technical scheme provided by the application has at least the following technical effects or advantages:
according to the application, the rotation device is adopted, the receiving hopper is firstly utilized to receive the crushed stone, the receiving hopper is driven to rotate by the gravity of the crushed stone and the downward falling impact force, the crushed stone falls downwards through the interval between the conveying rollers in the rotation process, the large crushed stone moves through the partition plate in the swinging of the receiving hopper to crush the large crushed stone through the first crushing roller and the second crushing roller and the rolling between the first crushing roller and the conveying roller, the crushed stone can fall, and the crushed stone continuously moves back and forth in the receiving hopper until the crushed stone is crushed, so that the problem that the crushing degree of the conventional crushed stone is different in the crushing process is effectively solved, and the crushed stone is uniformly crushed.
Drawings
FIG. 1 is a schematic diagram of a whole positive axis measurement structure according to a first embodiment of the present application;
FIG. 2 is a schematic front view of the whole structure of the first embodiment of the present application;
FIG. 3 is a schematic top view of the whole structure of the first embodiment of the present application;
FIG. 4 is a schematic view of a partial cross-sectional structure of a bucket according to a first embodiment of the present application;
FIG. 5 is a schematic diagram of a discharging moving structure of a receiving hopper according to a first embodiment of the present application;
FIG. 6 is a schematic view illustrating a rotation structure of a bucket according to a first embodiment of the present application;
FIG. 7 is an enlarged schematic view of the structure of FIG. 4A according to the first embodiment of the present application;
FIG. 8 is a schematic diagram illustrating a front view of a vibration assembly according to a second embodiment of the present application;
FIG. 9 is a schematic diagram illustrating a front view of a vibrating conveyor bucket with a vibrating assembly according to a second embodiment of the present application;
FIG. 10 is a right-side view of a vibration assembly according to a second embodiment of the present application;
FIG. 11 is a right side view of a vibrating conveyor bucket with a vibrating assembly according to a second embodiment of the application;
FIG. 12 is a schematic view of a portion of a barrier assembly according to a second embodiment of the present application;
fig. 13 is a schematic view illustrating a movement structure of a blocking member according to a second embodiment of the present application.
In the figure: 100. a conveyor belt; 1. a blanking unit; 10. a receiving bucket; 11. a conveying roller; 12. a rotating assembly; 121. a rotating shaft; 122. a first elastic member; 123. a second elastic member; 124. balancing weight; 13. a crushing assembly; 131. a partition plate; 132. a delivery port; 133. a first pulverizing roller; 134. a second pulverizing roller; 13a, a first gap; 13b, a second gap; 13c, a third gap; 135. a first guide plate; 136. a sieve pore; 137. a second guide plate; 138. a scraper; 2. a conveying unit; 20. a conveying hopper; 21. a vibration assembly; 211. a mounting frame; 212. a gear; 213. a toggle rod; 214. a third elastic member; 215. a connecting rod; 216. a vibrating block; 22. a blocking assembly; 221. a baffle; 222. a fourth elastic member; 223. and a limiting plate.
Detailed Description
The embodiment of the application discloses a safety conveying device for underground mining crushed stone, which is characterized in that crushed stone is received by a receiving hopper 10 and rotated by taking a rotating shaft 121 as an axis through self gravity and impact force, after screening of the crushed stone is completed while rotating, the crushed stone is crushed by passing a large block of crushed stone through a partition plate 131, passing through a rolling compaction between a first crushing roller 133 and a second crushing roller 134 and a rolling compaction between the first crushing roller 133 and a conveying roller 11, circulating rolling compaction work can be realized in the back and forth swinging of the receiving hopper 10, the thinned crushed stone falls into a conveying hopper 20, and the two sides of the conveying hopper 20 are vibrated by driving a vibration block 216 under the compression of the impact force of downward rotation of the receiving hopper 10, so that gaps among the crushed stone blocks are reduced, more crushed stone can be conveyed singly, the opening of the conveying hopper 20 is blocked by controlling a baffle 221 through a limit plate 223 in the moving process of the conveying belt 100, the problems of different crushing degrees and less single crushed stone conveying degrees in the prior art are solved, and more crushed stone is crushed and single conveying amount is realized.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Embodiment one:
referring to fig. 1-3, a safety conveyor for underground mining crushed stone includes a conveyor belt 100, further including: the unloading unit 1 of one end of conveyer belt 100 is located in the activity, unloading unit 1 includes, the activity is located the accepting fill 10 at the top of conveyer belt 100, accept fill 10 and ground become the inclination, and opposite with the incline direction of conveyer belt 100, the inclination can be convenient for the rubble drop down and play the effect of direction, accept and be equipped with multiunit conveying roller 11 along its length direction in the fill 10 equidistance, multiunit conveying roller 11 is used for carrying and screening the rubble, accept fill 10 swing joint and have rotating assembly 12, rotating assembly 12 is through the impact force control that the rubble falls accept fill 10 rotation and is sieved the rubble, and accept fill 10 internal fixedly connected with crushing subassembly 13, crushing subassembly 13 is used for carrying out continuous crushing with the rubble after the screening.
Referring to fig. 4 to 6, the rotating assembly 12 includes a rotating shaft 121 rotatably disposed at two sides of the conveyor belt 100, the rotating shaft 121 is fixedly connected with the receiving bucket 10, a first elastic member 122 is symmetrically connected between the bottom of the receiving bucket 10 and the conveyor belt 100, the first elastic member 122 is preferably a spring, a position where the first elastic member 122 is connected with the receiving bucket 10 can slide along a length direction of the receiving bucket 10 (not labeled in the drawing), the other end of the first elastic member 122 is fixedly connected at two sides of the conveyor belt 100 through a riser, so that the receiving bucket 10 can always hold the first elastic member 122 in a downward rotation process, a second elastic member 123 is symmetrically connected between the top of the receiving bucket 10 and the conveyor belt 100, the second elastic member 123 is preferably a spring, a position where the second elastic member 123 is connected with the receiving bucket 10 can slide along the length direction of the receiving bucket 10 (not labeled in the drawing), the other end of the second elastic member 123 is fixedly connected at two sides of the conveyor belt 100 through the riser, and a balancing weight 124 is also disposed between the second elastic member 123 and the conveyor belt 100, and the bottom of the receiving bucket 10 is used for accelerating the rotating speed of the receiving bucket 10, and the balancing weight 124 is fixedly connected at the bottom of the receiving bucket 10;
the directions of the first elastic piece 122 and the second elastic piece 123 are opposite, the counterweight 124 is fixedly connected to one side of the receiving hopper 10 on the second elastic piece 123, the left side of the receiving hopper 10 can be rotated firstly under the impact of broken stone received by the receiving hopper 10, one side of the rotated receiving hopper 10 is close to the conveying belt 100, broken stone in the receiving hopper 10 close to one side of the conveying belt 100 falls off through the interval between the conveying rollers 11, and at the moment, the falling broken stone is closest to the direction of the conveying belt 100, so that broken stone has the least impact force, and the effect of protecting the conveying belt 100 is achieved;
the receiving bucket 10 rotated leftwards can receive the telescopic force of the second elastic piece 123 and the gravity of the balancing weight 124, and can reversely rotate again quickly, and broken degree of broken stone on the right side in the receiving bucket 10 is smaller than that on the left side, and the broken stone can move rightwards along the action of the receiving bucket 10, so that broken stone can be screened quickly.
Referring to fig. 4 to 7, the pulverizing assembly 13 includes a partition plate 131 fixed at a central position of the receiving hopper 10, and a delivery port 132 is formed at a position of the partition plate 131 adjacent to the delivery roller 11, a first pulverizing roller 133 is rotatably coupled to one side of the delivery port 132, a first gap 13a is formed between the first pulverizing roller 133 and the delivery roller 11, the first gap 13a is for the passage of crushed stone, a second pulverizing roller 134 is rotatably provided above the first pulverizing roller 133, and a second gap 13b is formed between the first pulverizing roller 133 and the second pulverizing roller 134, the second gap 13b is for the passage of incompletely crushed stone entering from a left side of the receiving hopper 10 and crushing it again, a first guide plate 135 is provided at one side of the first pulverizing roller 133, the first guide plate 135 is fixedly coupled to both sides of the receiving hopper 10, the first guide plate 135 is for guiding crushed stone crushed through the second gap 13b, and a mesh 136 is formed on the first guide plate 135, the screen holes 136 are used for passing crushed stone crushed between the first crushing roller 133 and the second crushing roller 134, while crushed stone not crushed is moved to the right side of the receiving hopper 10 along the first guide plate 135, and is moved by the swing of the receiving hopper 10 until crushed, the second crushing roller 134 is provided at one side thereof with the second guide plate 137, a third gap 13c is formed between the first guide plate 135 and the second guide plate 137, the third gap 13c is used for isolating crushed stone crushed between the first crushing roller 133 and the second crushing roller 134 and crushed stone crushed between the first crushing roller 133 and the conveying roller 11, so that crushed stone crushed again forms two spaces at the right side of the receiving hopper 10, thereby reducing the degree of the crushed stone accumulation, and the first guide plate 135 and one side of the second guide plate 137 are fixedly connected with the scraping plate 138, and the scraping plate 138 is tangential to the surfaces of the first crushing roller 133 and the second crushing roller 134, so that the broken stone slag on the surface of the material can be scraped off, and the breaking effect is better;
the other part of crushed stone with larger volume moves rightwards along the action of right turning of the receiving hopper 10, passes through the conveying opening 132, firstly enters the bottoms of the first crushing roller 133 and the conveying roller 11, is crushed and enters the first gap 13a under the crushing action of the first crushing roller 133, so that the crushed stone is discharged, and when the crushed stone blocks are more, the crushed stone is accumulated at the positions of the first crushing roller 133 and the conveying roller 11, is accumulated upwards and is accumulated between the first crushing roller 133 and the second crushing roller 134, is made to enter the third gap 13c through the second gap 13b under the combined action of the first crushing roller 133 and the second crushing roller 134, and crushed stone which is crushed continuously falls downwards through the sieve holes 136, and the crushed stone which is not crushed is made to slide under the limit of the second guide plate 137 until the crushed stone slides to the right side of the receiving hopper 10, is left and right moved along with the rotation of the receiving hopper 10 again, so that the screening time of new discharged crushed stone is prolonged;
it should be noted that, the first guide plate 135 and the second guide plate 137 are circular arc-shaped, so that crushed stone can move along the guide plates conveniently, and the second guide plate 137 can also prevent crushed stone from entering the receiving hopper 10 quickly, so that crushed stone is effectively isolated.
Embodiment two:
referring to fig. 1-3, a conveying unit 2 is arranged on a conveying belt 100, the conveying unit 2 is used for placing crushed stones and sequentially conveying the crushed stones forwards, the conveying unit 2 comprises a plurality of groups of conveying hoppers 20 fixedly connected to the conveying belt 100 in the length direction, the conveying hoppers 20 are rectangular and have the same width as the conveying belt 100, vibration assemblies 21 are arranged on two sides of the conveying hoppers 20, the vibration assemblies 21 are used for reducing gaps between the crushed stones and increasing the amount of the stored crushed stones, blocking assemblies 22 are arranged on two sides of the conveying belt 100, and the blocking assemblies 22 are used for controlling the conveying hoppers 20 to prevent the crushed stones from falling in the process of conveying the crushed stones.
Referring to fig. 8 to 11, the vibration assembly 21 includes a mounting frame 211 fixedly connected to a central position of the conveying bucket 20, a gear 212 is symmetrically and rotatably connected to the mounting frame 211, a toggle rod 213 is fixedly connected to one side of the gear 212, a third elastic member 214 is fixedly connected between the toggle rod 213 and the conveying bucket 20, the third elastic member 214 is preferably a spring, the gear 212 is coaxially connected to a connecting rod 215, a vibration block 216 is fixedly connected to the bottom of the connecting rod 215, and the vibration block 216 is used for vibrating the side wall of the conveying bucket 20 to reduce gaps between crushed stones;
the receiving hopper 10 rotates through feeding, the toggle rod 213 is extruded in the downward rotation process, the toggle rod 213 is contacted with the bottom of the receiving hopper 10, the toggle rod 213 rotates to drive the gear 212 to rotate, the third elastic piece 214 is compressed, the connecting rod 215 rotates first, the connecting rod 215 rotates to enable the vibration block 216 fixedly connected with the connecting rod to act on the side wall of the conveying hopper 20, so that broken stones falling into the conveying hopper 20 are vibrated, gaps among the broken stones are reduced, vibration can be circularly carried out along with the rotation of the receiving hopper 10, and the gaps among the broken stones are reduced, so that the effect of containing the broken stones is better;
when the receiving bucket 10 rotates in the reverse direction, the contact with the toggle rod 213 is released, and the toggle rod 213 rotates in the reverse direction under the elastic action of the third elastic member 214, so that the vibration block 216 and the connecting rod 215 are simultaneously opened outwards, and the vibration block 216 is far away from the conveying bucket 20.
Referring to fig. 3 and 12-13, the blocking assembly 22 is symmetrically provided with two groups in the width direction of the conveyor belt 100, the blocking assembly 22 comprises baffle plates 221 symmetrically arranged at two sides of the connecting conveyor hopper 20, the baffle plates 221 are slidably arranged on the mounting frame 211, the baffle plates 221 can seal broken stones in the conveyor hopper 20 after one feeding is completed, a fourth elastic piece 222 is fixedly connected between the baffle plates 221 and the mounting frame 211, the fourth elastic piece 222 is preferably a spring, two sides of the conveyor belt 100 are fixedly connected with limiting plates 223, and the limiting plates 223 are used for controlling the baffle plates 221 to block and release the conveyor hopper 20;
the baffle 221 initial position is in the both sides of conveyer bucket 20, one side is connected with the mounting bracket 211 through fourth elastic component 222, along with the transportation of conveyer belt 100, when making it remove the bottom of accepting bucket 10, baffle 221 is fully opened, make the rubble can fall into conveyer bucket 20 completely, after falling full again along with conveyer belt 100 forward transport, behind the limiting plate 223 position, make fourth elastic component 222 receive the extrusion, baffle 221 relatively moves and slowly make baffle 221 complete coincidence in the opening direction of conveyer bucket 20, when moving to conveyer belt 100 exit position, limiting plate 223 removes the spacing to baffle 221, make it under the effect of fourth elastic component 222, thereby the baffle 221 reverse movement removes the jam to conveyer bucket 20, make the rubble can drop from conveyer bucket 20.
Embodiment III:
a method for safely conveying crushed stone for underground mining, comprising the following steps:
s1, blanking is carried out, broken stones are shaken off into a carrying bucket 10 through a mining device, and the carrying bucket 10 is subjected to the gravity of the broken stones and the falling impact force, so that the left side of the carrying bucket 10 rotates towards the direction of a conveying belt 100 by taking a rotating shaft 121 as an axis;
s2, impact screening, wherein the fallen crushed stone part falls downwards through the space between the conveying rollers 11, preliminary screening is realized on the crushed stone, and the crushed stone which fails to fall from the space between the conveying rollers 11 moves back and forth along the length direction of the receiving hopper 10 under the action of the first elastic piece 122, the second elastic piece 123 and the balancing weight 124 until the crushed stone moves to the right side of the partition plate 131;
s3, crushing and screening, namely crushing the large crushed stone moving to the right side of the partition plate 131 under the opposite extrusion of the first crushing roller 133 and the second crushing roller 134, so that the large crushed stone passes through the first gap 13a, the second gap 13b and the third gap 13c, and the large crushed stone which is not completely crushed can still be crushed again under the swinging of the receiving hopper 10;
s4, carrying out saturated conveying, namely enabling crushed stones passing through the space between the conveying rollers 11 to fall into the conveying hoppers 20, driving the toggle rods 213 to rotate in the swinging process of the receiving hoppers 10, and enabling the vibrating blocks 216 to vibrate two sides of the conveying hoppers 20 to reduce gaps between the conveying hoppers 20 and enable the crushed stones to convey crushed stones with more mass;
s5, sealing and conveying, namely conveying hopper 20 filled with crushed stone is conveyed forwards, opening and closing of baffle 221 are controlled under the action of limiting plate 223, after the crushed stone blanking is completed, the crushed stone is sealed in the continuous conveying process, the crushed stone is prevented from falling off, the crushed stone is conveyed to an outlet and is opened, and accordingly the opening of conveying hopper 20 is sealed and opened.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be able to apply equivalents and modifications according to the technical scheme and the concept of the present application within the scope of the present application.
Claims (8)
1. A safety conveyor for underground mining crushed stone, comprising a conveyor belt (100), characterized in that it further comprises:
the blanking unit (1) is arranged at one end of the conveying belt (100) and is used for receiving and downwards screening and conveying crushed stones;
the blanking unit (1) comprises:
the conveying device comprises a receiving hopper (10), wherein the receiving hopper (10) is arranged at the top of a conveying belt (100), a plurality of groups of conveying rollers (11) are arranged in the receiving hopper (10) at equal intervals along the length direction of the receiving hopper, and the conveying rollers (11) are used for conveying and screening crushed stones;
the rotating assembly (12) is connected with the receiving hopper (10), and the receiving hopper (10) is controlled to rotate by the impact force of the falling of the crushed stone to screen the crushed stone;
the crushing assembly (13) is arranged in the receiving hopper (10) and is used for continuously crushing the sieved crushed stone;
the conveying unit (2) is arranged on the conveying belt (100) and is used for placing broken stones and conveying the broken stones forwards in sequence;
the rotating assembly (12) comprises:
the rotating shafts (121) are rotatably arranged on two sides of the conveying belt (100) through connecting plates;
the first elastic piece (122) is symmetrically arranged between the bottom of the receiving hopper (10) and the conveying belt (100);
the second elastic piece (123) is symmetrically arranged between the top of the receiving hopper (10) and the conveying belt (100);
the balancing weight (124) is arranged between the second elastic piece (123) and the conveying belt (100) and used for accelerating the rotation speed of the receiving hopper (10);
under the impact of broken stone on the receiving hopper (10), the left side of the receiving hopper (10) rotates firstly, the receiving hopper (10) which rotates leftwards can receive the expansion force of the second elastic piece (123) and the gravity of the balancing weight (124) and can rotate reversely again quickly, and the other part of broken stone with larger volume can move rightwards along the right-turning action of the receiving hopper (10) and pass through the conveying opening (132);
the comminution assembly (13) comprises:
the separation plate (131) is arranged at the center of the receiving hopper (10), and a conveying port (132) is formed in the position, close to the conveying roller (11), of the separation plate (131);
a first crushing roller (133), wherein the first crushing roller (133) is arranged on one side of the conveying opening (132), a first gap (13 a) is formed between the first crushing roller (133) and the conveying roller (11), and the first gap (13 a) is used for the passage of broken stone;
a second crushing roller (134), wherein the second crushing roller (134) is arranged above the first crushing roller (133), a second gap (13 b) is formed between the first crushing roller (133) and the second crushing roller (134), and the second gap (13 b) is used for the passage of accumulated broken stone;
the first guide plate (135), the first guide plate (135) is arranged on one side of the first crushing roller (133) and used for guiding crushed stone crushed by the second gap (13 b), and the first guide plate (135) is provided with sieve holes (136);
the second guide plate (137), one side that second crushing roller (134) was located to second guide plate (137), just form third clearance (13 c) between first guide plate (135) and second guide plate (137), third clearance (13 c) are used for keeping apart the rubble.
2. A downhole mining rubble safety conveyor according to claim 1, wherein the conveyor unit (2) comprises:
the conveying hopper (20) is provided with a plurality of groups along the length direction of the conveying belt (100) and is used for conveying crushed stones along the direction of the conveying belt (100);
the vibration assemblies (21) are arranged on two sides of the conveying hopper (20) and are used for reducing gaps among crushed stones and increasing the mass for storing the crushed stones;
and the blocking assemblies (22) are arranged on two sides of the conveying belt (100) and are used for controlling the conveying hopper (20) to prevent broken stones from falling off in the process of conveying the broken stones.
3. A downhole mining rubble safety conveyor according to claim 1, wherein the receiving hopper (10) is inclined to the ground in a direction opposite to the inclination of the conveyor belt (100).
4. A downhole mining crushed stone safety conveying device according to claim 1, wherein the first guide plate (135) and the second guide plate (137) are provided with scraping plates (138) on one sides close to the first crushing roller (133) and the second crushing roller (134) respectively, and the scraping plates are used for scraping off the crushed slag on the surfaces of the first crushing roller (133) and the second crushing roller (134).
5. A downhole mining rubble safety conveyor according to claim 2, wherein the vibration assembly (21) comprises:
the mounting frame (211) is arranged at the center of the conveying hopper (20) on the mounting frame (211);
the gears (212) are arranged in two groups and symmetrically arranged on the mounting frame (211);
a toggle rod (213), wherein the toggle rod (213) is arranged at one side of the gear (212);
the third elastic piece (214), the said third elastic piece (214) locates between conveying bucket (20) and the toggle rod (213);
the connecting rod (215), connecting rod (215) and gear (212) coaxial coupling, just the bottom of connecting rod (215) is equipped with vibrations piece (216), vibrations piece (216) are used for vibrations lateral wall that carries fill (20) reduce the space between the rubble.
6. A downhole mining rubble safety conveyor according to claim 2, wherein the blocking assemblies (22) are symmetrically arranged in two groups in the width direction of the conveyor belt (100).
7. A downhole mining rubble safety conveyor according to claim 5, wherein the barrier assembly (22) comprises:
the baffle plates (221) are provided with two groups of baffle plates (221) which are symmetrically arranged on two sides of the connecting conveying hopper (20) and are arranged on the mounting frame (211) in a sliding manner;
the fourth elastic piece (222), the said fourth elastic piece (222) locates on baffle (221) and mounting bracket (211);
and the limiting plates (223) are arranged on two sides of the conveying belt (100) and used for controlling the blocking of the baffle plate (221) on the conveying hopper (20).
8. A method of safely conveying crushed rock for underground mining, carried out with a conveying device according to claim 7, comprising the steps of:
s1, blanking is carried out, broken stones are shaken off into a carrying bucket (10) through a mining device, and the carrying bucket (10) receives the gravity of the broken stones and the falling impact force, so that the left side of the carrying bucket (10) rotates towards the direction of a conveying belt (100) by taking a rotating shaft (121) as an axis;
s2, impact screening, wherein the fallen crushed stone part falls downwards through a space between the conveying rollers (11) to realize preliminary screening on the crushed stone, and the other part of the large crushed stone moves back and forth in the receiving hopper (10) along the conveying rollers (11) under the action of the first elastic piece (122), the second elastic piece (123) and the balancing weight (124) until moving to the other side of the partition plate (131);
s3, crushing and screening, namely crushing the large crushed stone which moves to the other side of the partition plate (131) under the opposite extrusion of the first crushing roller (133) and the second crushing roller (134), so that the large crushed stone passes through the first gap, the second gap (13 b) and the third gap (13 c), and the large crushed stone which is not completely crushed can still be crushed again under the swinging of the receiving hopper (10);
s4, carrying out saturated conveying, wherein broken stones passing through the space between the conveying rollers (11) fall into the conveying hoppers (20), driving the toggle rods (213) to rotate in the swinging process of the receiving hoppers (10), and enabling the vibrating blocks (216) to vibrate two sides of the conveying hoppers (20) to reduce gaps between the conveying hoppers (20) where the broken stones are accumulated, so that the broken stones with more mass can be conveyed;
s5, sealing and conveying, namely conveying a conveying hopper (20) filled with crushed stone forwards, controlling opening and closing of a baffle plate (221) under the action of a limiting plate (223), sealing the crushed stone in the continuous conveying process after the crushed stone is blanked, avoiding the crushed stone from falling off, and opening the crushed stone at an outlet, so that an opening of the conveying hopper (20) is sealed and opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310662363.0A CN116371517B (en) | 2023-06-06 | 2023-06-06 | Underground mining broken stone safe conveying device and conveying method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310662363.0A CN116371517B (en) | 2023-06-06 | 2023-06-06 | Underground mining broken stone safe conveying device and conveying method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116371517A CN116371517A (en) | 2023-07-04 |
| CN116371517B true CN116371517B (en) | 2023-08-22 |
Family
ID=86975486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310662363.0A Active CN116371517B (en) | 2023-06-06 | 2023-06-06 | Underground mining broken stone safe conveying device and conveying method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116371517B (en) |
Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2017536A (en) * | 1978-03-17 | 1979-10-10 | Grimme Landmaschf Franz | Separating apparatus |
| JP3039894U (en) * | 1997-01-24 | 1997-07-31 | 川鉄鉱業株式会社 | Movable grizzly |
| JP2001113229A (en) * | 1999-10-14 | 2001-04-24 | Gou Tekkosho:Kk | Roller screen |
| JP2010207697A (en) * | 2009-03-09 | 2010-09-24 | Metawater Co Ltd | System for treating waste |
| CN104162478A (en) * | 2013-05-16 | 2014-11-26 | 常州市鼎亨机电设备有限公司 | Crusher self-swing screen mesh |
| CN105536922A (en) * | 2016-01-28 | 2016-05-04 | 大唐环境产业集团股份有限公司 | Frequency conversion dust-free screening and crushing integrated machine |
| JP2017213491A (en) * | 2016-05-30 | 2017-12-07 | 株式会社御池鐵工所 | Oscillation sorter |
| CN207547039U (en) * | 2017-11-22 | 2018-06-29 | 陈晓旭 | A kind of grain sieve with multilayer screen cloth |
| CN108636498A (en) * | 2018-05-11 | 2018-10-12 | 道真自治县盛鑫源农业农民专业合作社 | chinese prickly ash grinding device |
| CN109731663A (en) * | 2019-01-16 | 2019-05-10 | 中联重科股份有限公司 | Feeding structure of sand making machine and sand making machine |
| CN110227601A (en) * | 2019-06-29 | 2019-09-13 | 徐州鑫旭机械制造有限公司 | A kind of mining machinery lithotripsy apparatus |
| JP2020199439A (en) * | 2019-06-07 | 2020-12-17 | 株式会社冨士機 | Multi-shaft crushing separation device |
| CN212238131U (en) * | 2020-04-21 | 2020-12-29 | 东莞市南祥磁电科技有限公司 | Powder separator of magnetic core |
| CN112371496A (en) * | 2020-09-22 | 2021-02-19 | 李光龙 | Assembling method of concrete aggregate screening machine |
| CN112371495A (en) * | 2020-09-22 | 2021-02-19 | 李光龙 | Concrete aggregate screening machine |
| CN212794458U (en) * | 2020-08-24 | 2021-03-26 | 张家港市万腾机械制造有限公司 | PE plastic sheet surface waste material cleaning equipment that polishes |
| CN213000189U (en) * | 2020-05-08 | 2021-04-20 | 李如林 | Rice flour grinder is used in rice processing |
| CN112676162A (en) * | 2021-02-04 | 2021-04-20 | 丁春林 | Chemical raw material pre-screening device |
| CN112675948A (en) * | 2020-12-07 | 2021-04-20 | 王子腾 | Garbage classification screening device for garbage disposal |
| CN213886998U (en) * | 2020-11-16 | 2021-08-06 | 昆明坤泽矿业技术有限责任公司 | Preprocessing device in ore processing process |
| CN215140271U (en) * | 2021-06-09 | 2021-12-14 | 广东汉粹生物药业有限公司 | Raw materials grinder that cosmetics manufacturing used |
| CN215656317U (en) * | 2021-08-20 | 2022-01-28 | 安姆普客矿山机械(江苏)有限公司 | Movable screening machine |
| CN114506478A (en) * | 2022-02-16 | 2022-05-17 | 湖北春润食品科技有限公司 | Automatic granule filling machine |
| CN218691397U (en) * | 2022-10-28 | 2023-03-24 | 招远金都永和商品混凝土有限公司 | Screening plant convenient to change screen cloth |
| CN116159657A (en) * | 2023-04-26 | 2023-05-26 | 烟台子龙机电设备有限公司 | Ore metal separation breaker |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10006757C1 (en) * | 2000-02-15 | 2001-05-17 | Mayfran Int Bv | Crushing process for chips or swarf, involving recording rate of alteration of load to detect blocking chips and ejecting these chips |
| CA2640514A1 (en) * | 2008-09-18 | 2010-03-18 | Kyle Alan Bruggencate | Method and apparatus for processing an ore feed |
-
2023
- 2023-06-06 CN CN202310662363.0A patent/CN116371517B/en active Active
Patent Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2017536A (en) * | 1978-03-17 | 1979-10-10 | Grimme Landmaschf Franz | Separating apparatus |
| JP3039894U (en) * | 1997-01-24 | 1997-07-31 | 川鉄鉱業株式会社 | Movable grizzly |
| JP2001113229A (en) * | 1999-10-14 | 2001-04-24 | Gou Tekkosho:Kk | Roller screen |
| JP2010207697A (en) * | 2009-03-09 | 2010-09-24 | Metawater Co Ltd | System for treating waste |
| CN104162478A (en) * | 2013-05-16 | 2014-11-26 | 常州市鼎亨机电设备有限公司 | Crusher self-swing screen mesh |
| CN105536922A (en) * | 2016-01-28 | 2016-05-04 | 大唐环境产业集团股份有限公司 | Frequency conversion dust-free screening and crushing integrated machine |
| JP2017213491A (en) * | 2016-05-30 | 2017-12-07 | 株式会社御池鐵工所 | Oscillation sorter |
| CN207547039U (en) * | 2017-11-22 | 2018-06-29 | 陈晓旭 | A kind of grain sieve with multilayer screen cloth |
| CN108636498A (en) * | 2018-05-11 | 2018-10-12 | 道真自治县盛鑫源农业农民专业合作社 | chinese prickly ash grinding device |
| CN109731663A (en) * | 2019-01-16 | 2019-05-10 | 中联重科股份有限公司 | Feeding structure of sand making machine and sand making machine |
| JP2020199439A (en) * | 2019-06-07 | 2020-12-17 | 株式会社冨士機 | Multi-shaft crushing separation device |
| CN110227601A (en) * | 2019-06-29 | 2019-09-13 | 徐州鑫旭机械制造有限公司 | A kind of mining machinery lithotripsy apparatus |
| CN212238131U (en) * | 2020-04-21 | 2020-12-29 | 东莞市南祥磁电科技有限公司 | Powder separator of magnetic core |
| CN213000189U (en) * | 2020-05-08 | 2021-04-20 | 李如林 | Rice flour grinder is used in rice processing |
| CN212794458U (en) * | 2020-08-24 | 2021-03-26 | 张家港市万腾机械制造有限公司 | PE plastic sheet surface waste material cleaning equipment that polishes |
| CN112371496A (en) * | 2020-09-22 | 2021-02-19 | 李光龙 | Assembling method of concrete aggregate screening machine |
| CN112371495A (en) * | 2020-09-22 | 2021-02-19 | 李光龙 | Concrete aggregate screening machine |
| CN213886998U (en) * | 2020-11-16 | 2021-08-06 | 昆明坤泽矿业技术有限责任公司 | Preprocessing device in ore processing process |
| CN112675948A (en) * | 2020-12-07 | 2021-04-20 | 王子腾 | Garbage classification screening device for garbage disposal |
| CN112676162A (en) * | 2021-02-04 | 2021-04-20 | 丁春林 | Chemical raw material pre-screening device |
| CN215140271U (en) * | 2021-06-09 | 2021-12-14 | 广东汉粹生物药业有限公司 | Raw materials grinder that cosmetics manufacturing used |
| CN215656317U (en) * | 2021-08-20 | 2022-01-28 | 安姆普客矿山机械(江苏)有限公司 | Movable screening machine |
| CN114506478A (en) * | 2022-02-16 | 2022-05-17 | 湖北春润食品科技有限公司 | Automatic granule filling machine |
| CN218691397U (en) * | 2022-10-28 | 2023-03-24 | 招远金都永和商品混凝土有限公司 | Screening plant convenient to change screen cloth |
| CN116159657A (en) * | 2023-04-26 | 2023-05-26 | 烟台子龙机电设备有限公司 | Ore metal separation breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116371517A (en) | 2023-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4786059A (en) | Equipment with energy knocking-down septum for bullets, to be installed in shooting ranges | |
| CN105750205A (en) | Construction waste throwing and heavy separation crushing device and method | |
| CN114100762B (en) | Full-automatic intelligent loading device for sand and stone materials | |
| CN111841857B (en) | Crushing system of mine building stones | |
| US3946950A (en) | Material reducer | |
| CN116966974A (en) | Anti-blocking dredging device for discharging opening of ball mill | |
| CN116371517B (en) | Underground mining broken stone safe conveying device and conveying method thereof | |
| CN113102023A (en) | Building rubbish processingequipment with smash and magnetic force select separately function | |
| CN213222649U (en) | Bar feeder capable of improving production efficiency | |
| KR100647992B1 (en) | Vibrating Wire Cover Separator | |
| CN212468730U (en) | Noise reduction environment-friendly sand screening machine for earthwork | |
| SE449122B (en) | SET AND DEVICE FOR UNDERGRADUATE | |
| CN115814916A (en) | Ore processing technology | |
| CN211802283U (en) | Vibrating screen for separating ores | |
| CN220160503U (en) | Mineral material grading plant | |
| CN112774976A (en) | Building screening sand machine | |
| CN217069207U (en) | Impact type sandstone waste crusher | |
| CN111841699A (en) | Ore crusher of invariable control feeding | |
| CN118205868B (en) | Plate feeder and feeding method | |
| CN220277077U (en) | Screening plant with smash and prevent structure that splashes | |
| CN110077832A (en) | A kind of bullet handle crushing operation for destroying line | |
| CN220215736U (en) | Geological experiment rock granule screening plant | |
| CN117886143B (en) | Auxiliary loading device for loading mine car of scraper | |
| CN216678545U (en) | Combined type coal mining machine with screening separation work ability | |
| CN116832930B (en) | Preparation equipment and method of low-impurity silicon micro powder for copper-clad plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |