CN114194865A

CN114194865A - Full hydraulic drive's rail mounted auger grain delivery machine

Info

Publication number: CN114194865A
Application number: CN202210053701.6A
Authority: CN
Inventors: 田颖斌; 郭宁
Original assignee: Suzhou Gss Machinery Co ltd
Current assignee: Suzhou Gss Machinery Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-03-18

Abstract

The invention relates to the technical field of bulk material storage, and discloses a full hydraulic drive rail type auger delivery machine, which comprises a silo and a delivery machine, wherein a central hole is formed in the center of the bottom of the silo, a central frame of the delivery machine is fixed at the central hole in the silo, a circular central turntable is accommodated and supported in the central frame, a hood is mounted on the central turntable and can rotate along with the central turntable, and the outer wall of the hood is in contact with materials in the silo. According to the invention, the auger is directly driven by the autorotation hydraulic motor arranged in the bin, so that the problem that the electric explosion prevention is difficult to meet by the driving mode of arranging the motor in the bin is solved. Compared with the mode that the packing auger is driven by the mechanical gear transmission arranged outside the motor bin, the discharging hopper and the hood inner structure of the full-hydraulic rail type bin discharger are simpler, the installation is more convenient, the overhaul space is larger, and the cost is lower. Few maintenance points in the bin and higher equipment reliability.

Description

Full hydraulic drive's rail mounted auger grain delivery machine

Technical Field

The invention relates to the technical field of bulk material storage, in particular to a full-hydraulic driven rail type auger delivery machine.

Background

The silo is a main form of modern bulk storage and is widely applied to the storage fields of grains, feeds, bulk meal, wood chips and chemical raw materials. The silo is generally provided with a discharge port at the bottom of the silo for discharging materials, but the materials with poor self-flowing property are difficult to discharge from the silo by means of self-flowing of the materials, and forced discharging equipment needs to be arranged at the discharge port. The central turntable of the silo auger discharging machine is arranged at the central discharge port at the bottom of the silo, one end of the spiral conveying auger is arranged at the central turntable, and the other end of the spiral conveying auger is close to the silo wall. When discharging, the discharging machine is buried by the materials, the auger rotates to convey the materials to the central discharging port, the central turntable and the spiral conveying auger revolve around the center of the silo, and the auger shaft covers the bottom of the whole silo once every revolution.

The orbital grain delivery machine has small revolution power and can be driven by a motor or hydraulically; the self-rotation power of the auger of the rail type grain delivery machine is large, the volume of the driving mechanism is large, if the driving motor is arranged in the cabin and revolves along with the grain delivery system, the power supply slip ring needs to be connected with a power supply from the outside of the cabin, and the electrical explosion-proof requirement of the dust environment in the cabin is difficult to meet. Therefore, most of motors of the prior rail type grain delivery machine are arranged at a fixed blanking hopper outside the bin, and a set of complex gear commutator, universal joint and autorotation reduction box fixed on a central turntable are arranged in the blanking hopper to drive the auger to autorotate. The structure in the bin is complex, the weight is large, the number of maintenance points in the bin is large, the maintenance is difficult, the power density is high due to the volume limitation, and a gear transmission mechanism needs to be specially and intensively designed.

Traditional motor adds the rail mounted grain delivery machine of speed reducer drive auger rotation, and the mode that must use converter and inverter motor to control the auger rotational speed must be stranded by the material that hardens and when the motor starts unsuccessfully, must stop the motor immediately in order to prevent to start that the electric current too big leads to the motor to burn out, and the startability is relatively poor. Therefore, a fully-hydraulically driven rail type auger delivery machine is provided.

Disclosure of Invention

Solves the technical problem

Aiming at the defects of the prior art, the invention provides a full hydraulic drive rail type auger delivery machine, which solves the problems of complex structure, large volume and weight, difficult multi-maintenance of maintenance points in a bin, large starting current, poor starting performance and the like of a central drive gear transmission mechanism and a coupler of the traditional rail type delivery machine.

Technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a full hydraulic drive rail type auger delivery machine comprises a silo and a delivery machine, wherein a center hole is formed in the center of the bottom of the silo, a center frame of the delivery machine is fixed at the center hole in the silo, a circular center rotary table is accommodated and supported in the center frame, a hood is installed on the center rotary table and can rotate along with the center rotary table, the outer wall of the hood is in contact with materials in the silo, a circle of rails are laid on the ground close to the wall of the silo, the delivery machine is provided with a back plate, one end of the back plate is rigidly connected with the center rotary table, the other end of the back plate is erected on the rails, a revolution driving mechanism is installed at one end part, located on the center rotary table, of the back plate and comprises a revolution hydraulic motor and a speed reducer, the output end of the revolution speed reducer is connected with a transmission shaft, and the transmission shaft extends to the rail end of the back plate along the lower part of the back plate, the shaft end of the transmission shaft is connected with a buckle chain wheel through a coupler, the buckle chain wheel is positioned below the tail part of the back plate, and the buckle chain wheel is meshed with the track.

The center carousel top sets up main bearing seat, be provided with the auger in the grain delivery machine, rotation hydraulic motor is installed to main bearing seat's rear side, the backplate tail end sets up the tail bearing seat, the front end of auger is supported and is passed through main bearing seat and directly has rotation hydraulic motor behind the main bearing seat by main bearing seat, the tail end of auger passes through the tail bearing seat and supports at the backplate tail end.

The bottom of the central frame is connected with a fixed blanking hopper to be connected with downstream material conveying equipment, a blanking hole is formed in the lower portion of the part, located in the hood, of the auger of the central turntable, and an overhaul access hole is formed in the side wall of the blanking hopper.

The side of aircraft bonnet has seted up the feed inlet, set up stifled material door in the feed inlet of aircraft bonnet, the feed inlet of aircraft bonnet is inside to be provided with the hydraulic cylinder that is used for controlling stifled material door switching.

The silo outside sets up a hydraulic power unit of special design, hydraulic power unit is connected to the hydraulic pressure passageway outside hydraulic port that is located hopper lateral wall down through hydraulic line, and the hydraulic actuator of grain delivery machine all is located the aircraft bonnet and revolves together with central carousel, the inside of hopper is provided with the hydraulic pressure rotary joint of a multichannel down, contain relatively pivoted rotation side and stationary side on the hydraulic pressure rotary joint structure, the hydraulic port one-to-one on rotation side and the stationary side communicates in inside.

A support is hung below the central turntable, the rotating side of the hydraulic rotary joint is mounted on the support, the axis of the hydraulic rotary joint is coaxial with the central turntable, and the static side shell of the hydraulic rotary joint is connected to the side wall of the discharging hopper through a stop rod.

The oil port on the rotating side of the hydraulic rotary joint is connected to hydraulic actuating mechanisms in the bins such as a rotation hydraulic motor and a revolution hydraulic motor through a second hydraulic hose group, and the oil port on the static side of the hydraulic rotary joint is connected to the oil port on the inner side of a hydraulic channel on the side wall of the blanking hopper through a first hydraulic hose group and is communicated with a hydraulic pump station.

Advantageous effects

Compared with the prior art, the invention provides a full hydraulic drive rail type auger delivery machine, which has the following beneficial effects:

the auger is directly driven by the rotation hydraulic motor arranged in the bin, so that the problem that the electric explosion prevention is difficult to meet by the driving mode of arranging the motor in the bin is solved. Compared with the mode that the packing auger is driven by the mechanical gear transmission arranged outside the motor bin, the discharging hopper and the hood inner structure of the full-hydraulic rail type bin discharger are simpler, the installation is more convenient, the overhaul space is larger, and the cost is lower. Few maintenance points in the bin and higher equipment reliability.

Compared with a motor reducer, the full-hydraulic driving system drives the packing auger, only a common fixed-frequency motor is needed, loading and unloading and speed control can be realized through the hydraulic system, complex logic control of actions can be realized more easily, a pump station motor can be started under light load in starting performance, the hydraulic system can continuously output maximum torque without worrying about overheating of the motor under the condition that the packing auger is pressed and is difficult to start, and the full-hydraulic driving system is more leisurely and more effective in processing materials with high viscosity and easy hardening.

Drawings

FIG. 1 is a partial schematic view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a top view of the present invention.

In the figure: 1. a center frame; 2. a central turntable; 3. a main bearing housing; 4. a self-rotating hydraulic motor; 5. a hood; 6. feeding a hopper; 7. a back plate; 8. a packing auger; 9. a track; 10. a tail bearing seat; 11. a revolving hydraulic motor; 12. a revolution speed reducer; 13. a drive shaft; 14. buckling a chain wheel; 15. a hydraulic swivel joint; 16. a material blocking door; 17. a hydraulic cylinder; 18. a hydraulic pump station; 19. a support; 20. a stopper rod; 21. a first hydraulic hose group; 22. and a second hydraulic hose group.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a fully hydraulic driven rail-mounted auger delivery machine comprises a silo and a delivery machine, wherein a central hole is arranged at the bottom center of the silo, a central frame 1 of the delivery machine is fixed at the central hole in the silo, a circular central turntable 2 is accommodated and supported in the central frame 1, a hood 5 is mounted on the central turntable 2, the hood 5 can rotate along with the central turntable 2, the outer wall of the hood 5 is in contact with materials in the silo, a circle of rails 9 is laid along the ground close to the wall of the silo, the delivery machine is provided with a back plate 7, one end of the back plate 7 is rigidly connected with the central turntable 2, the other end of the back plate 7 is erected on the rails 9, a revolution driving mechanism is mounted at one end of the central turntable 2 of the back plate 7, the revolution driving mechanism comprises a revolution hydraulic motor 11 and a revolution speed reducer 12, the output end of the revolution speed reducer 12 is connected with a transmission shaft 13, the transmission shaft 13 extends to the track end of the back plate 7 along the lower part of the back plate 7, the shaft end of the transmission shaft 13 is connected with a buckle chain wheel 14 through a coupler, the buckle chain wheel 14 is positioned below the tail part of the back plate 7, and the buckle chain wheel 14 is meshed with the track 9.

Main bearing seat 3 is arranged above central turntable 2, auger 8 is arranged in the grain delivery machine, autorotation hydraulic motor 4 is installed at the rear side of main bearing seat 3, tail bearing seat 10 is arranged at the tail end of back plate 7, the front end of auger 8 is supported by main bearing seat 3 and directly connected with autorotation hydraulic motor 4 after penetrating main bearing seat 3, and the tail end of auger 8 is supported at the tail end of back plate 7 through tail bearing seat 10.

The bottom of the central frame 1 is connected with the fixed blanking hopper 6 to be connected with downstream material conveying equipment, a blanking hole is formed below the part, located in the hood 5, of the auger 8 of the central turntable 2, the side wall of the blanking hopper 6 is provided with an inspection inlet, and an inspector can enter the inner part of the blanking hopper 6 from the inspection inlet when in use and then enters the hood 5 through the blanking hole of the central disk to be maintained.

The feed inlet has been seted up to aircraft bonnet 5's side, sets up stifled material door 16 in the feed inlet of aircraft bonnet 5, and aircraft bonnet 5's feed inlet is inside to be provided with the hydraulic cylinder 17 that is used for controlling the opening and closing of stifled material door 16, and when the material delivery, stifled material door 16 is opened, prevents when personnel from getting into aircraft bonnet 5 and overhauls that the material from flowing into and close stifled material door 16.

The silo outside sets up a specially designed hydraulic power unit 18, hydraulic power unit 18 is connected to the hydraulic channel outside hydraulic port that is located hopper 6 lateral wall down through hydraulic line, the hydraulic actuator of grain delivery machine all is located aircraft bonnet 5 and revolves together with central carousel 2, the inside of hopper 6 is provided with a multichannel hydraulic rotary joint 15 down, hydraulic rotary joint 15 structurally contains can relative pivoted rotation side and stationary side, the oil port one-to-one on rotation side and the stationary side communicates in inside.

A bracket 19 is hung below the central turntable 2, the rotating side of the hydraulic rotary joint 15 is arranged on the bracket 19, the axis of the hydraulic rotary joint is coaxial with the central turntable 2, and the static side shell of the hydraulic rotary joint 15 is connected to the side wall of the blanking hopper 6 through a stop rod 20.

The oil port on the rotating side of the hydraulic rotary joint 15 is connected to the hydraulic actuators in the bins such as the rotation hydraulic motor 4 and the revolution hydraulic motor 11 through a second hydraulic hose group 22, and the oil port on the static side of the hydraulic rotary joint 15 is connected to the oil port on the inner side of the hydraulic channel on the side wall of the blanking hopper 6 through a first hydraulic hose group 21 and is communicated with a hydraulic pump station 18.

Principle of operation

When the grain delivery machine works, after a motor of a hydraulic pump station 18 is started, hydraulic oil flows through a side wall hydraulic channel of a blanking hopper 6, a first hydraulic hose group 21, a rotary joint and a second hydraulic hose group 22 to drive a rotation hydraulic motor 4 and a revolution hydraulic motor 11 to rotate, an auger 8 rotates and revolves, the auger 8 rotates around the axis of the auger under the drive of the rotation hydraulic motor 4, materials in auger spiral blades are pushed to the center of a silo, and the materials enter the interior of a hood 5 through a feeding hole in the side wall of the hood 5 and immediately fall into the blanking hopper 6 through a blanking hole in a central turntable 2 and finally enter downstream conveying equipment. The auger revolution motion drives a revolution speed reducer 12 by a revolution hydraulic motor 11 and enables a buckling chain wheel 14 to rotate through a transmission shaft 13, the buckling chain wheel 14 travels along a track 9, and the pushing back plate 7, the central turntable 2 and equipment on the central turntable comprise a rotation hydraulic motor 4, a main bearing seat 3, a hood 5 and the like which rotate around the central axis of the silo together with the auger 8.

The hydraulic rotary joint realizes the communication of hydraulic pipelines of the static part outside the bin and the rotary part inside the bin, when the bin discharging machine revolves, the rotary part of the hydraulic rotary joint 15 synchronously rotates along with the central turntable 2, and the second hydraulic hose group 22 is also in the revolution state. While the stationary part of the hydraulic rotary joint 15 remains stationary due to the restraint of the stopper rod 20, the hydraulic hose group one 21 remains fixed.

The silo discharging machine realizes the revolution and rotation functions of the auger directly driven by the hydraulic motor in the hydraulic pump station driving bin outside the silo, the cooperation and logic control of the revolution and rotation can be realized through the control measures of the hydraulic system, and the silo material discharging condition and the linkage control between the peripheral conveying devices are easier.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a full hydraulic drive's rail mounted auger grain delivery machine, includes silo and grain delivery machine, silo bottom center sets up the centre bore, grain delivery machine's central frame (1) is fixed in silo inner centre bore department, its characterized in that: the rotary warehouse comprises a central frame (1), a circular central rotary table (2) is accommodated and supported in the central frame (1), a hood (5) is installed on the central rotary table (2), the hood (5) can rotate along with the central rotary table (2), the outer wall of the hood (5) is in contact with materials in a silo, a circle of track (9) is laid on the ground close to the wall of the silo, a back plate (7) is arranged on the warehouse outlet machine, one end of the back plate (7) is rigidly connected with the central rotary table (2), the other end of the back plate (7) is erected on the track (9), a revolution driving mechanism is installed at the end, located at one end of the central rotary table (2), of the back plate (7) and comprises a revolution hydraulic motor (11) and a revolution speed reducer (12), the output end of the revolution speed reducer (12) is connected with a transmission shaft (13), and the transmission shaft (13) extends to the track end of the back plate (7) along the lower portion of the back plate (7), the shaft end of the transmission shaft (13) is connected with a buckle chain wheel (14) through a coupler, the buckle chain wheel (14) is located below the tail of the back plate (7), and the buckle chain wheel (14) is meshed with the track (9).

2. The full hydraulic drive rail mounted auger delivery machine of claim 1, wherein: center carousel (2) top sets up main bearing seat (3), be provided with auger (8) in the grain delivery machine, rotation hydraulic motor (4) are installed to the rear side of main bearing seat (3), backplate (7) tail end sets up tail bearing seat (10), the front end of auger (8) is supported by main bearing seat (3) and is passed and directly has rotation hydraulic motor (4) behind main bearing seat (3), the tail end of auger (8) supports at backplate (7) tail end through tail bearing seat (10).

3. The full hydraulic drive rail mounted auger delivery machine of claim 1, wherein: the center frame (1) bottom is connected fixed hopper (6) down and is in order to connect downstream material conveying equipment, center carousel (2) is opened there is the feed opening in the below of auger (8) position in aircraft bonnet (5) part, hopper (6) lateral wall is opened down and is overhauld the hand-hole.

4. The full hydraulic drive rail mounted auger delivery machine of claim 1, wherein: the side of the hood (5) is provided with a feeding hole, a blocking door (16) is arranged in the feeding hole of the hood (5), and a hydraulic oil cylinder (17) used for controlling the opening and closing of the blocking door (16) is arranged in the feeding hole of the hood (5).

5. The full hydraulic drive rail mounted auger delivery machine of claim 1, wherein: the silo outside sets up a hydraulic power unit (18) of special design, hydraulic power unit (18) are connected to the hydraulic channel outside hydraulic port that is located hopper (6) lateral wall down through hydraulic line, and the hydraulic actuator of grain delivery machine all is located aircraft bonnet (5) and revolves together with central carousel (2), the inside of hopper (6) is provided with hydraulic rotary joint (15) of a multichannel down, hydraulic rotary joint (15) structurally contain can relative pivoted rotation side and stationary side, the oil port one-to-one on rotation side and the stationary side communicates in inside.

6. The full hydraulic drive rail mounted auger delivery machine of claim 5, wherein: a support (19) is hung below the central turntable (2), the rotating side of the hydraulic rotary joint (15) is installed on the support (19), the axis of the hydraulic rotary joint is coaxial with the central turntable (2), and the static side shell of the hydraulic rotary joint (15) is connected to the side wall of the discharging hopper (6) through a stop rod (20).

7. The full hydraulic drive rail mounted auger delivery machine of claim 5, wherein: the hydraulic rotary joint is characterized in that oil ports on the rotating side of the hydraulic rotary joint (15) are connected to hydraulic actuating mechanisms in the bins such as the rotation hydraulic motor (4) and the revolution hydraulic motor (11) through a second hydraulic hose group (22), and oil ports on the static side of the hydraulic rotary joint (15) are connected to oil ports on the inner side of a hydraulic channel on the side wall of the blanking hopper (6) through a first hydraulic hose group (21) and are communicated with a hydraulic pump station (18).