CN109235348B - Road cleaning dust-removing vehicle with spiral conveying mechanism - Google Patents
Road cleaning dust-removing vehicle with spiral conveying mechanism Download PDFInfo
- Publication number
- CN109235348B CN109235348B CN201811388659.3A CN201811388659A CN109235348B CN 109235348 B CN109235348 B CN 109235348B CN 201811388659 A CN201811388659 A CN 201811388659A CN 109235348 B CN109235348 B CN 109235348B
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- blowing
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- 238000004140 cleaning Methods 0.000 title claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 86
- 238000007664 blowing Methods 0.000 claims abstract description 59
- 238000005096 rolling process Methods 0.000 claims abstract description 41
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 241001417527 Pempheridae Species 0.000 claims description 11
- 241000220317 Rosa Species 0.000 claims description 4
- 244000007853 Sarothamnus scoparius Species 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 239000002245 particle Substances 0.000 abstract description 4
- 239000004576 sand Substances 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
- E01H1/0836—Apparatus dislodging all of the dirt by suction ; Suction nozzles
- E01H1/0845—Apparatus dislodging all of the dirt by suction ; Suction nozzles with mechanical loosening or feeding instruments for the dirt to be sucked- up, e.g. brushes, scrapers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0863—Apparatus loosening or removing the dirt by blowing and subsequently dislodging it at least partially by suction ; Combined suction and blowing nozzles
- E01H1/0872—Apparatus loosening or removing the dirt by blowing and subsequently dislodging it at least partially by suction ; Combined suction and blowing nozzles with mechanical loosening or feeding instruments for the dirt to be removed pneumatically, e.g. brushes, scrapers
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a road cleaning dust-removing vehicle with a spiral conveying mechanism, wherein a round groove is connected to the front of a brush plate of the spiral conveying mechanism, a horizontal spiral conveyor driven by a motor is arranged in the round groove, the driving end of the horizontal spiral conveyor is connected with a conveying pipe, an inclined spiral conveyor driven by the motor is sleeved in the conveying pipe, the upper end of the conveying pipe penetrates through a filtering bin, and the conveying pipe is communicated with a dust collecting bin through a discharge pipe; an air blowing device connected with an air outlet pipe is arranged at the rear part of the rolling brush device; the top of the air blowing box is provided with an air inlet pipe connected with an air outlet pipe, the front side of the bottom of the air blowing box is provided with an air blowing nozzle, the air blowing nozzle is provided with the front end of the air blowing nozzle, and the air blowing nozzle is in a horizontal narrow-mouth shape. The invention provides a powerful blowing effect and is provided with the spiral conveying mechanism, so that the dust on the road surface can be well cleaned, sand particles or powder on the road surface can be collected in the dust collection bin, and the road surface cleaning effect is further improved.
Description
Technical Field
The invention relates to the field of road cleaning mechanical equipment, in particular to a road cleaning dust-removing vehicle with a spiral conveying mechanism.
Background
The road sweeper is novel efficient sweeping equipment integrating road sweeping, garbage recycling and transportation. The cleaning agent can be widely applied to road cleaning of trunk roads, municipal administration and airport pavement, urban residential areas, parks and the like. The sweeper greatly liberates the working strength of sanitation workers and improves the working efficiency.
The garbage cleaning device assembled with the road sweeper, such as a pure suction type road sweeper adopts the principle of negative pressure pure suction, and consists of a dust collection system, a primary dust collection box, a secondary dust collection box, a dust recovery system, a hydraulic system, an electric control system, a traveling system and the like. In addition, as in the patent: CN201420704479.2, a cyclone dust cleaning collector, has poor cleaning effect on road surface stickers and soil garbage in gaps, and the suction inlet is also very easy to suck very big garbage, which easily causes pipeline blockage, and increases manual maintenance cost.
Disclosure of Invention
The invention aims to overcome the defects and the shortcomings of the prior art, and provides the road cleaning dust-removing vehicle with the spiral conveying mechanism, which has a good cleaning effect on road dust and can remove sand particles together by providing a powerful blowing effect and arranging the spiral conveying mechanism.
The invention is realized in such a way that a road cleaning dust-removing vehicle with a spiral conveying mechanism comprises a carriage consisting of a machine cabin and a filtering cabin with a dust collecting cabin arranged inside, wherein a rear wheel, a rolling brush mechanism and the spiral conveying mechanism are arranged below the bottom of the carriage;
an exhaust fan connected with a power supply is arranged in the machine bin, and an exhaust pipe and an air outlet pipe are arranged on the exhaust fan; the dust collector comprises a dust outlet connected with two sides of the upper part of the dust collection bin and an air pipe communicated with the dust outlet;
the rolling brush mechanism comprises a rolling brush device, a supporting rod and a motor driving mechanism, wherein the motor driving mechanism is connected with one end of the rolling brush device, the other end of the rolling brush device is in supporting connection through the supporting rod, a dust hood is arranged on the upper part of the rolling brush device, and the top of the dust hood is communicated with an air pipe; an air blowing device connected with an air outlet pipe is arranged at the rear part of the rolling brush device;
the spiral conveying mechanism comprises a brush plate, a circular groove, a horizontal spiral conveyor, a conveying pipe, an inclined spiral conveyor, a discharge pipe and a motor, wherein the brush plate is arranged at the front lower part of the rolling brush device, the front part of the brush plate is connected with the circular groove, the horizontal spiral conveyor driven by the motor is arranged in the circular groove, the driving end of the horizontal spiral conveyor is connected with the conveying pipe, the inclined spiral conveyor driven by the motor is sleeved in the conveying pipe, the upper end of the conveying pipe penetrates through the carriage, the conveying pipe is communicated with the dust collection bin through the discharge pipe, and the tail end of the discharge pipe is inclined downwards;
the upper end of the rear part of the filter bin is provided with a filter box bin opening, and the middle of the rear part of the filter bin is provided with a filter bin door; the filter house is provided with suction box, rose box and conveyer belt subassembly, the suction box sets up at the front end top of filter house, the lower extreme and the exhaust column of suction box are linked together, and the rear end and the rose box of suction box are linked together, and the conveyer belt subassembly sets up the bottom at the dust collection storehouse, conveyer belt subassembly rear end is the filter house door.
Further, the blowing device comprises a blowing box, an air inlet pipe and a blowing port, the top of the blowing box is provided with the air inlet pipe connected with the air outlet pipe, the front side of the bottom of the blowing box is provided with a blowing nozzle, and the blowing port is provided with the front end of the blowing nozzle.
Further, the blow box is cylindric, the tuber pipe of intaking is provided with two and sets up respectively in the left portion and the right part of blow box, it is provided with the air inlet to go into tuber pipe connection blow box department, and the relative and the setting of staggering of two air inlets about, the air inlet is level narrow mouth form.
Further, the exhaust fan and the filter box are respectively provided with two, the dust outlet device is symmetrically arranged at left and right, and the dust collection bin is in a reverse ladder shape.
Further, the power supply is a generator or a storage battery; the rear end of the filter box is connected with a filter box bin opening penetrating through the rear end of the shell.
Further, two sides of the dust hood are provided with notches which are convenient for the movement of the rolling brush device, and the top of the dust hood is communicated with the air pipe through a hose.
Further, the rolling brush device is a cylindrical high-speed rotating broom and rotates from the ground to the brush plate at the rear lower part.
Further, the width of the air blowing opening is one millimeter, and the air blowing opening blows towards the road surface below the rolling brush device.
Further, the rolling brush mechanism and the spiral conveying mechanism are arranged at the rear side of the rear wheel.
Further, the rolling brush mechanism and the spiral conveying mechanism are arranged on the front side of the rear wheel, the upper end of the conveying pipe penetrates into the cabin of the carriage, and the discharge pipe connected with the conveying pipe penetrates into the dust collection cabin from the cabin.
Working principle:
when the exhaust fan works, the exhaust fan pumps air to the filter box through the exhaust pipe and the exhaust box, and at the moment, the dust collection bin forms air negative pressure, so that external air sequentially enters the dust collection bin through the hose, the air pipe and the dust outlet; the air on the road surface and dust enter the hose from the dust hood on the rolling brush device, then enter the dust collection bin from the dust outlet through the air pipe, and the filtered air enters the exhaust fan through the exhaust pipe under the filtering action of the filter box;
simultaneously, the exhaust fan blows air to the air outlet pipe, air flows to the air blowing box through the air outlet pipe, and then is blown out to the rolling brush device through the air blowing opening of the air blowing nozzle, and the dust on the uneven ground is blown up by blowing operation;
the rolling brush of the rolling brush device rotates from the ground to the brush plate at the rear lower part, sand particles or powder on the road surface enter the circular groove through the brush plate, then are conveyed by the horizontal screw conveyor and the inclined screw conveyor in sequence, enter the discharge pipe through the conveying pipe, and finally fall into the dust collection bin;
the dust is concentrated and accumulated on the conveyor belt component at the bottom of the inverted ladder by the filtering action and the gravity action of the filter box in the dust collection bin; when cleaning, the filter bin gate is opened, and the conveyor belt assembly is started to clean accumulated dust; in addition, the bin opening of the filter box is opened, and the filter box can be taken out for maintenance work.
The beneficial effects of the invention are as follows:
1. through the blow box, the blowing air flow can be concentrated and uniformly blown out from the horizontal narrow opening, the blown air is strong and powerful, and the blowing effect on dust at uneven ground pits is obvious;
2. the sand particles or powder on the road surface can be collected in the dust collection bin through the spiral conveying mechanism, so that the road surface cleaning effect is further improved;
3. the dust collection bin is in a reverse trapezoidal table shape, two symmetrical dust outlets are adjusted on inclined plates on two sides of the dust collection bin, and two filter boxes are arranged on the top of the dust collection bin, so that the filtering effect and the dust accumulation effect are maximized;
4. the roller brush is a cylindrical high-speed rotary broom, so that the ground can be cleaned up, and the dust on the ground can be cleaned more cleanly and thoroughly by air injection; the road dust is thoroughly removed by high-speed rotary cleaning, high-pressure airflow blowing and dust collection and dust removal simultaneously, so that the purposes of dust removal, haze reduction, air cleaning and PM2.5 reduction are achieved, the speed is high, the efficiency is high, the manpower and material resources are saved, the energy is saved, and the environmental protection effect is excellent;
5. the working efficiency is maximized through the simultaneous working and the circulating working of the air suction and the air blowing of the exhaust fan.
Drawings
FIG. l is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of a partial section A;
FIG. 3 is an enlarged view of a partial section B;
FIG. 4 is a schematic view of a roller brush mechanism;
fig. 5 is a schematic view of a blow box.
In the accompanying drawings: 1. the device comprises a carriage, 11, a machine bin, 12, a filter bin, 13, a filter bin opening, 14, a filter bin door, 15, a rear wheel, 21, an exhaust fan, 211, an exhaust fan, 212, an air outlet pipe, 22, an exhaust box, 221, a filter bin, 23, a conveyor belt assembly, 231, a dust remover, 232, an air pipe, 41, a rolling brush device, 411, a supporting rod, 412, a dust hood, 4121, a notch, 421, a brush plate, 422, a circular groove, 4221, a horizontal screw conveyor, 423, a conveying pipe, 4231, an inclined screw conveyor, 424, an exhaust pipe, 425, a motor, 43, a blow box, 431, an air inlet pipe, 4311, an air inlet, 432, a blow nozzle, 4321 and an air blowing opening.
Detailed Description
The following is a further detailed description of embodiments of the invention, with reference to examples:
as shown in fig. 1 to 5, a road cleaning and dust removing vehicle with a spiral conveying mechanism comprises a vehicle box 1 consisting of a machine box 11 and a filtering box 12 internally provided with a dust collecting box, wherein a rear wheel 15 is arranged below the bottom of the vehicle box 1, and a rolling brush mechanism and the spiral conveying mechanism are arranged at the rear side of the rear wheel 15;
an exhaust fan 21 connected with a power supply is arranged in the engine room 11, and an exhaust pipe 211 and an air outlet pipe 212 are arranged on the exhaust fan 21; the dust outlet device 231 is arranged at two sides of the dust collection bin, and the dust outlet device 231 comprises a dust outlet connected with two sides of the upper part of the dust collection bin and an air pipe 232 communicated with the dust outlet;
the upper end of the rear part of the filter bin 12 is provided with a filter box bin opening 13, and the middle of the rear part of the filter bin 12 is provided with a filter bin door 14; the filter bin 12 is provided with an exhaust box 22, a filter box 221 and a conveyor belt assembly 23, the exhaust box 22 is arranged at the top of the front end of the filter bin 12, the lower end of the exhaust box 22 is communicated with an exhaust tube 211, the rear end of the exhaust box 22 is communicated with the filter box 221, the conveyor belt assembly 23 is arranged at the bottom of the dust collection bin, and the rear end of the conveyor belt assembly 23 is provided with a filter bin door 14;
the rolling brush mechanism comprises a rolling brush device 41, a supporting rod 411 and a motor driving mechanism, wherein the motor driving mechanism is connected with one end of the rolling brush device 41, the other end of the rolling brush device 41 is in supporting connection through the supporting rod 411, a dust hood 412 is arranged at the upper part of the rolling brush device 41, and the top of the dust hood 412 is communicated with an air pipe 232; an air blowing device connected with the air outlet pipe 212 is arranged at the rear of the rolling brush device 41;
the spiral conveying mechanism comprises a brush plate 421, a circular groove 422, a horizontal spiral conveyor 4221, a conveying pipe 423, an inclined spiral conveyor 4231, a discharge pipe 424 and a motor 425, wherein the brush plate 421 is arranged at the front lower part of the rolling brush device, the circular groove 422 is connected to the front part of the brush plate 421, the horizontal spiral conveyor 4221 driven by the motor 425 is arranged in the circular groove 422, the conveying pipe 423 is connected to the driving end of the horizontal spiral conveyor 4221, the inclined spiral conveyor 4231 driven by the motor 425 is sleeved in the conveying pipe 423, the upper end of the conveying pipe 423 penetrates into the filtering bin 12, and the conveying pipe 423 is communicated with the dust collecting bin through the discharge pipe 424;
the blowing device comprises a blowing box 43, a blowing pipe 431 and a blowing opening 4321, wherein the top of the blowing box 43 is provided with the blowing pipe 4321 connected with the air outlet pipe 212, the front side of the bottom of the blowing box 43 is provided with a blowing nozzle 432, and the blowing opening 4321 is provided with the front end of the blowing nozzle 432.
The air blowing box 43 is cylindrical, two air inlet pipes 431 are respectively arranged at the left part and the right part of the air blowing box, an air inlet 4311 is arranged at the position where the air inlet pipes 431 are connected with the air blowing box 43, the left air inlet 4311 and the right air inlet 4311 are arranged in a staggered manner, the air blowing opening 4321 is in a horizontal narrow opening shape, and the width of the air blowing opening 4321 is one millimeter.
The top of the dust hood 412 is communicated with the air pipe 232 through a hose; the discharge pipe 424 is inclined downward at the end; the exhaust fan 21 and the filter box 221 are respectively provided with two dust collectors 231 which are symmetrically arranged left and right, and the dust collection bin is in an inverted ladder shape; the power supply is a generator or a storage battery; the rear end of the filter box 211 is connected with a filter box bin opening 13 penetrating through the rear end of the shell; two sides of the dust hood 412 are provided with notches 4121 which facilitate the movement of the rolling brush device 41; the rolling brush device 41 is a cylindrical high-speed rotating broom and rotates from the ground to the brush plate 421 at the rear lower part;
the foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should be considered to be within the scope of the present invention.
Claims (10)
1. The road cleaning and dust removing vehicle with the spiral conveying mechanism is characterized by comprising a vehicle box consisting of a machine box and a filtering box with a dust collecting box arranged inside, wherein a rear wheel, a rolling brush mechanism and the spiral conveying mechanism are arranged below the bottom of the vehicle box; an exhaust fan connected with a power supply is arranged in the machine bin, and an exhaust pipe and an air outlet pipe are arranged on the exhaust fan; the dust collector comprises a dust outlet connected with two sides of the upper part of the dust collection bin and an air pipe communicated with the dust outlet; the rolling brush mechanism comprises a rolling brush device, a supporting rod and a motor driving mechanism, wherein the motor driving mechanism is connected with one end of the rolling brush device, the other end of the rolling brush device is in supporting connection through the supporting rod, a dust hood is arranged on the upper part of the rolling brush device, and the top of the dust hood is communicated with an air pipe; an air blowing device connected with an air outlet pipe is arranged at the rear part of the rolling brush device; the spiral conveying mechanism comprises a brush plate, a circular groove, a horizontal spiral conveyor, a conveying pipe, an inclined spiral conveyor, a discharge pipe and a motor, wherein the brush plate is arranged at the front lower part of the rolling brush device, the front part of the brush plate is connected with the circular groove, the horizontal spiral conveyor driven by the motor is arranged in the circular groove, the driving end of the horizontal spiral conveyor is connected with the conveying pipe, the inclined spiral conveyor driven by the motor is sleeved in the conveying pipe, the upper end of the conveying pipe penetrates through the carriage, the conveying pipe is communicated with the dust collection bin through the discharge pipe, and the tail end of the discharge pipe is inclined downwards; the upper end of the rear part of the filter bin is provided with a filter box bin opening, and the middle of the rear part of the filter bin is provided with a filter bin door; the filter house is provided with suction box, rose box and conveyer belt subassembly, the suction box sets up at the front end top of filter house, the lower extreme and the exhaust column of suction box are linked together, and the rear end and the rose box of suction box are linked together, and the conveyer belt subassembly sets up the bottom at the dust collection storehouse, conveyer belt subassembly rear end is the filter house door.
2. The road sweeper with the spiral conveying mechanism according to claim 1, wherein the blowing device comprises a blowing box, a wind inlet pipe and a blowing port, the top of the blowing box is provided with the wind inlet pipe connected with the wind outlet pipe, the front side of the bottom of the blowing box is provided with a blowing nozzle, and the blowing port is provided with the front end of the blowing nozzle.
3. The road cleaning and dust removing vehicle with the spiral conveying mechanism according to claim 2, wherein the blowing box is cylindrical, two air inlet pipes are arranged at the left part and the right part of the blowing box respectively, air inlets are arranged at the positions where the air inlet pipes are connected with the blowing box, the left air inlet and the right air inlet are opposite and staggered, and the air inlets are in a horizontal narrow-mouth shape.
4. The road cleaning and dust removing vehicle with the spiral conveying mechanism according to claim 3, wherein two exhaust fans and two filter boxes are respectively arranged, two dust discharging devices are respectively arranged in bilateral symmetry, and the dust collecting bin is in a reverse ladder shape.
5. The road sweeper dust collector truck with the spiral conveying mechanism according to claim 4, wherein the power supply is a generator or a storage battery; the rear end of the filter box is connected with a filter box bin opening penetrating through the rear end of the shell.
6. The road sweeper with the spiral conveying mechanism according to claim 5, wherein the two sides of the dust hood are provided with notches which facilitate the movement of the rolling brush device, and the top of the dust hood is communicated with the air pipe through a hose.
7. The road sweeper dust collector truck with spiral conveying mechanism of claim 6, wherein the rolling brush device is a cylindrical high-speed rotating broom and rotates from the ground to the brush plate at the rear lower part.
8. The road sweeper dust collector truck with screw conveyor according to claim 7, wherein the width of the air blowing opening is one millimeter, and the air blowing opening blows toward the road surface below the rolling brush device.
9. The road sweeper dust collector truck with screw conveyor according to claim 8, wherein said roller brush mechanism and screw conveyor mechanism are both disposed on the rear side of the rear wheel.
10. The road sweeper with the spiral conveying mechanism according to claim 9, wherein the rolling brush mechanism and the spiral conveying mechanism are arranged on the front side of the rear wheel, the upper end of the conveying pipe penetrates into a cabin of the carriage, and a discharge pipe connected with the conveying pipe penetrates into the dust collecting cabin from the cabin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811388659.3A CN109235348B (en) | 2018-11-21 | 2018-11-21 | Road cleaning dust-removing vehicle with spiral conveying mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811388659.3A CN109235348B (en) | 2018-11-21 | 2018-11-21 | Road cleaning dust-removing vehicle with spiral conveying mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109235348A CN109235348A (en) | 2019-01-18 |
| CN109235348B true CN109235348B (en) | 2024-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811388659.3A Active CN109235348B (en) | 2018-11-21 | 2018-11-21 | Road cleaning dust-removing vehicle with spiral conveying mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN109235348B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359403A (en) * | 2019-07-26 | 2019-10-22 | 辛红彬 | Road cleaner |
| CN111910567A (en) * | 2020-07-20 | 2020-11-10 | 史娜娜 | Highway maintenance motor sweeper |
| CN112301930B (en) * | 2020-11-18 | 2022-04-01 | 徐州盛德电动车有限公司 | Motor sweeper with dust fall function |
| CN112502078A (en) * | 2020-11-30 | 2021-03-16 | 河南泽泰公路工程有限公司 | Municipal garden road leaf cleaning device |
| CN114293496A (en) * | 2021-11-30 | 2022-04-08 | 江苏徐工工程机械研究院有限公司 | Cleaning device that flexible machine carried |
| CN115518944A (en) * | 2022-10-24 | 2022-12-27 | 中建安装集团有限公司 | Marine environment oil storage tank rust cleaning and corrosion preventing waste sand cleaning and recycling device for operation |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109235348A (en) | 2019-01-18 |
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