CN116289721A - Road guardrail belt cleaning device - Google Patents
Road guardrail belt cleaning device Download PDFInfo
- Publication number
- CN116289721A CN116289721A CN202310283177.6A CN202310283177A CN116289721A CN 116289721 A CN116289721 A CN 116289721A CN 202310283177 A CN202310283177 A CN 202310283177A CN 116289721 A CN116289721 A CN 116289721A
- Authority
- CN
- China
- Prior art keywords
- cleaning
- module
- guardrail
- baffle
- water mist
- 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.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 161
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 239000007921 spray Substances 0.000 claims abstract description 58
- 239000003595 mist Substances 0.000 claims abstract description 38
- 238000012546 transfer Methods 0.000 claims description 33
- 230000004888 barrier function Effects 0.000 claims description 15
- 239000000779 smoke Substances 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims 3
- 238000005201 scrubbing Methods 0.000 claims 1
- 238000005507 spraying Methods 0.000 abstract description 7
- 239000000428 dust Substances 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Images
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
- E01H1/005—Mobile installations, particularly for upkeeping in situ road or railway furniture, for instance road barricades, traffic signs; Mobile installations particularly for upkeeping tunnel walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention relates to the technical field of road administration maintenance equipment, in particular to a cleaning device for a road guardrail, which comprises a frame and a cleaning module, wherein the cleaning module comprises a cleaning roller and a water mist spray pipe, the cleaning roller is arranged in a rotating mode, the water mist spray pipe is arranged at the side of the cleaning roller, a plurality of spray nozzles are arranged on the water mist spray pipe, a spray pump connected with the water mist spray pipe is arranged on the frame, the spray pump is used for converting water flow into water mist, the water mist spray pipe is introduced and sprayed onto the guardrail from the spray nozzles to moisten the guardrail, and meanwhile, the cleaning module drives the cleaning roller in rotation around a shaft to move along the extending direction of the guardrail so as to scrub the guardrail. The cleaning module of the road guardrail cleaning device adopts the water mist spray pipe to be matched with the cleaning roller, the water mist is uniformly and softly sprayed on the guardrail in the nozzle of the water mist spray pipe through the supply of the spray pump to moisten dust and dirt accumulated on the guardrail, and the dirt is scrubbed cleanly through the rotation of the cleaning roller, so that a large amount of water resources are saved, and meanwhile, the splashing caused by the water flow due to the spraying is also reduced to the greatest extent.
Description
[ field of technology ]
The invention relates to the technical field of road administration maintenance equipment, in particular to a cleaning device for a road guardrail.
[ background Art ]
The road guardrail is generally arranged in the middle or on two sides of a road to play a role in protection, and is normally polluted by dust in the air, and dust raised by the running of an automobile, due to long-term exposure outdoors, so that along with the development of technology, a plurality of devices specially used for cleaning the road guardrail are developed. However, the existing cleaning equipment for the road guardrail generally adopts high-pressure water flow to wash the guardrail, so that the splashed water flow can strike vehicles passing through the road or people passing by the road side while water resource waste is caused, and unnecessary troubles are caused. Therefore, there is a need for a road guardrail cleaning device that can save water resources and has a gentle water outlet.
[ invention ]
The invention aims to provide a road guardrail cleaning device which solves the problems that the existing road guardrail cleaning equipment wastes water resources and is easy to cause water flow to splash randomly.
The technical scheme provided by the invention is as follows: the utility model provides a road guardrail belt cleaning device which characterized in that: including frame and activity set up in wash the module in the frame, wash the module including rotatory cleaning roller that sets up and locating the water smoke spray tube of cleaning roller side, be equipped with a plurality of spouts on the water smoke spray tube, be equipped with the connection in the frame the spraying pump of water smoke spray tube, the spraying pump is used for converting rivers into water smoke, introduce the water smoke spray tube and follow the spout sprays on the guardrail with moist guardrail, simultaneously wash the module drive in the pivoting the cleaning roller removes in order to scrub the guardrail along the extending direction of guardrail.
The road guardrail cleaning device is characterized in that the cleaning rollers are vertically arranged, the water mist spray pipes are arranged in two groups and are respectively arranged on the left side and the right side of the cleaning rollers relatively, the spray nozzles are arranged in a linear mode along the height direction of the water mist spray pipes, and the upper side of the cleaning module is provided with water inlets for simultaneously connecting the two groups of water mist spray pipes.
The road guardrail cleaning device is characterized in that the left side and the right side of the cleaning module are respectively provided with the water mist baffle plates which are oppositely arranged, a cleaning area is formed between the water mist baffle plates, and the cleaning roller and the water mist spray pipe are arranged in the cleaning area.
The road guardrail cleaning device comprises a frame, wherein the frame is provided with a transfer module capable of driving the cleaning module to move back and forth along the horizontal direction, the transfer module comprises a first linear slide rail and a second linear slide rail which are oppositely arranged, the upper side of the cleaning module is connected with a first slide block which is arranged on the first linear slide rail in a sliding manner, and the lower side of the cleaning module is connected with a second slide block which is arranged on the second linear slide rail in a sliding manner.
The road guardrail cleaning device is characterized in that a module partition plate is arranged between the cleaning module and the spray pump, the cleaning baffle plate is hinged to the upper side of the frame, the cleaning baffle plate can swing around a hinge shaft to be unfolded or folded, and when the cleaning baffle plate is unfolded, a cleaning cavity for the guardrail to pass through is formed between the cleaning baffle plate and the module partition plate.
The road guardrail cleaning device comprises the main baffle and the auxiliary baffle, wherein the cross section of the main baffle is in an L-shaped bent shape, one side of the main baffle is hinged to the upper side of the frame, the other opposite side of the main baffle is hinged to the auxiliary baffle, when the cleaning baffle is folded, the main baffle is attached to the frame, and the auxiliary baffle swings around the hinge shaft until being attached to the main baffle.
The road guardrail cleaning device further comprises a water tank which is detachably arranged on the frame and connected with the spray pump, a water filling port is arranged on the water tank, and the water tank and the cleaning module are arranged at intervals by the module partition plate.
The road guardrail cleaning device further comprises a transfer chassis, a plurality of transfer rollers are arranged at the bottom of the transfer chassis, and the rack is arranged on the transfer chassis in a loading mode, so that the cleaning module can be driven by the transfer chassis to move.
According to the road guardrail cleaning device, the first linear sliding rail and the second linear sliding rail are parallel to the length direction of the transferring chassis, so that the cleaning module is located in the lateral direction of the transferring chassis.
According to the road guardrail cleaning device, the driving motor for driving the transfer roller to rotate is further arranged at the bottom of the transfer chassis.
Compared with the prior art, the invention has the following advantages:
1. the cleaning module of the road guardrail cleaning device adopts the water mist spray pipe to be matched with the cleaning roller, the water mist is uniformly and softly sprayed on the guardrail in the nozzle of the water mist spray pipe through the supply of the spray pump to moisten dust and dirt accumulated on the guardrail, and the dirt is scrubbed cleanly through the rotation of the cleaning roller, so that a large amount of water resources are saved, and meanwhile, the splashing caused by the water flow due to the spraying is also reduced to the greatest extent.
2. The cleaning module of the road guardrail cleaning device adopts the arrangement of adding the transfer module, so that the cleaning module can reciprocate within a certain cleaning range, repeated cleaning of guardrails in the range is realized, and the cleaning quality of guardrails is ensured.
3. The road guardrail cleaning device disclosed by the invention adopts the design of adding the foldable cleaning baffle, and the cleaning baffle forms a cleaning cavity for the guardrail to pass through after being unfolded, so that water mist and dirt which can be splashed out in the cleaning process of the cleaning device can be blocked in a very large range, and the use of the device is more humanized.
[ description of the drawings ]
FIG. 1 is a perspective view of the cleaning apparatus for a roadway guard rail of the present invention with the cleaning barrier in a folded condition;
fig. 2 is an enlarged view of a portion a in fig. 1;
FIG. 3 is a perspective view of the cleaning apparatus for a road guardrail according to the present invention in a folded state of the cleaning barrier;
FIG. 4 is a perspective view of the cleaning barrier of the road guardrail cleaning device of the present invention after deployment to clean the guardrail positioned in the cleaning chamber;
FIG. 5 is another perspective view of the cleaning barrier of the road guardrail cleaning apparatus of the present invention after deployment to clean the guardrail positioned in the cleaning chamber;
fig. 6 is a side view of the cleaning device for the road fence of the present invention when the cleaning barrier is in a folded state.
[ detailed description ] of the invention
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
Example 1: referring to fig. 1 to 6, the present embodiment provides a cleaning device for a road guardrail, which is characterized in that: including frame 1 and activity set up the cleaning module 2 in frame 1, cleaning module 2 is including rotatory cleaning roller 21 that sets up and locating the water smoke spray tube 22 of cleaning roller 21 side, be equipped with a plurality of spouts 221 on the water smoke spray tube 22, be equipped with the spraying pump 3 of connecting water smoke spray tube 22 on the frame 1, spraying pump 3 is used for turning into water smoke with rivers, introduce water smoke spray tube 22 and spray to the guardrail from spout 221 on in order to wet the guardrail, cleaning module 2 drives the cleaning roller 21 in the pivoting and removes in order to scrub the guardrail along the extending direction of guardrail simultaneously. The cleaning module 2 of the road guardrail cleaning device provided by the embodiment adopts the water mist spray pipe 22 to be matched with the cleaning roller 21, the water mist is uniformly and softly sprayed on the guardrail in the nozzle 221 of the water mist spray pipe 22 through the supply of the spray pump 3, dust and dirt accumulated on the guardrail are scrubbed by the rotation of the cleaning roller 21, a large amount of water resources are saved, and meanwhile, splashing caused by water flow due to spraying is reduced to the greatest extent.
Further, the cleaning roller 21 is vertically arranged, the water mist spray pipes 22 are arranged in two groups and are respectively and oppositely arranged at the left side and the right side of the cleaning roller 21, the spray nozzles 221 are linearly arranged along the height direction of the water mist spray pipes 22, and the upper side of the cleaning module 2 is provided with water inlets 222 which are simultaneously connected with the two groups of water mist spray pipes 22. The vertically arranged sweeping roller 21 is adapted to cooperate with a laterally extending road barrier.
Further, the left side and the right side of the cleaning module 2 are respectively provided with water mist baffle plates 23 which are arranged oppositely, a cleaning area 24 is formed between the water mist baffle plates 23, and the cleaning roller 21 and the water mist spray pipe 22 are arranged in the cleaning area 24. The water mist baffle 23 is provided to block part of splashed water mist and to block dust and dirt which can be partially combined with the water mist.
The machine frame 1 is provided with a transfer module 4 capable of driving the cleaning module 2 to move back and forth along the horizontal direction, the transfer module 4 comprises a first linear slide rail 41 and a second linear slide rail 42 which are oppositely arranged, the upper side of the cleaning module 2 is connected with a first slide block 25 which is arranged on the first linear slide rail 41 in a sliding manner, and the lower side of the cleaning module 2 is connected with a second slide block 26 which is arranged on the second linear slide rail 42 in a sliding manner. Under the drive of the transfer module 4, the cleaning module 2 can reciprocate within a certain cleaning range, so that the repeated cleaning of guardrails in the range is realized, and the cleaning quality of guardrails is ensured.
A module partition plate 27 is arranged between the cleaning module 2 and the spray pump 3, a cleaning baffle plate 5 is hinged to the upper side of the frame 1, the cleaning baffle plate 5 can swing around a hinge shaft to be unfolded or folded, and when the cleaning baffle plate 5 and the module partition plate 27 are unfolded, a cleaning cavity 51 through which a guardrail can pass is formed between the cleaning baffle plate 5 and the module partition plate 27. The cleaning cavity 51 formed by the cleaning baffle 5 after being unfolded can prevent water mist and dirt splashed during cleaning of the cleaning module 2 from splashing on a spray pump or a road in the round trip range of the cleaning module 2 on the transfer module 4, so that the device is more humanized to use.
The cleaning baffle 5 comprises a main baffle 52 and an auxiliary baffle 53, wherein the cross section of the main baffle 52 is L-shaped and bent, one side of the main baffle 52 is hinged to the upper side of the frame 1, the other opposite side of the main baffle is hinged to the auxiliary baffle 53, when the cleaning baffle 5 is folded, the main baffle 52 is attached to the frame 1, and the auxiliary baffle 53 swings around a hinge shaft until being attached to the main baffle 52.
The road guardrail cleaning device further comprises a water tank 6 which is detachably arranged on the frame 1 and is connected with the spray pump 3, a water filling port 61 is arranged on the water tank 6, and a module partition plate 27 enables the water tank 6 to be arranged at intervals with the cleaning module 2. The water tank 6 is used for storing water and supplying water, so that the independent work of the road guardrail cleaning device is facilitated.
The road guardrail cleaning device further comprises a transfer chassis 7, a plurality of transfer rollers 71 are arranged at the bottom of the transfer chassis 7, and the frame 1 is loaded on the transfer chassis 7, so that the cleaning module 2 can be driven by the transfer chassis 7 to move. Preferably, the first linear rail 41 and the second linear rail 42 are parallel to the longitudinal direction of the transfer chassis 7, so that the cleaning module 2 is located laterally of the transfer chassis 7. The arrangement of the transfer chassis 7 realizes the replacement and movement of the cleaning modules 2 in different cleaning areas of the guardrails.
The bottom of the transfer chassis 7 is also provided with a driving motor 72 for driving the transfer roller 71 to rotate, and the electric energy driving is adopted to enable the running of the device to be more energy-saving, thereby being beneficial to the environmental protection.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a road guardrail belt cleaning device which characterized in that: including frame (1) and activity set up in wash module (2) on frame (1), wash module (2) including rotatory cleaning roller (21) that set up and locating cleaning roller (21) side water smoke spray tube (22), be equipped with a plurality of spouts (221) on water smoke spray tube (22), be equipped with on frame (1) and connect spray pump (3) of water smoke spray tube (22), spray pump (3) are used for converting rivers into water smoke, introduce water smoke spray tube (22) and follow spout (221) spray to the guardrail on with moist guardrail, simultaneously wash module (2) drive in the pivoting cleaning roller (21) remove with the scrubbing guardrail along the extending direction of guardrail.
2. A roadway barrier cleaning apparatus as recited in claim 1, wherein: the cleaning roller (21) is vertically arranged, the water mist spray pipes (22) are arranged in two groups and are respectively arranged on the left side and the right side of the cleaning roller (21) relatively, the spray nozzles (221) are arranged in a linear mode along the height direction of the water mist spray pipes (22), and water inlets (222) for simultaneously connecting the two groups of water mist spray pipes (22) are formed in the upper side of the cleaning module (2).
3. A roadway barrier cleaning apparatus as recited in claim 1, wherein: the cleaning device is characterized in that water mist baffle plates (23) which are oppositely arranged are respectively arranged on the left side and the right side of the cleaning module (2), a cleaning area (24) is formed between the water mist baffle plates (23), and the cleaning roller (21) and the water mist spray pipe (22) are arranged in the cleaning area (24).
4. A roadway barrier cleaning apparatus as recited in claim 1, wherein: be equipped with on frame (1) can drive move and carry module (4) that move back and forth along the horizontal direction of washing module (2), move and carry module (4) including relative first linear slide rail (41) and second linear slide rail (42) that set up, the upside of washing module (2) is connected with and slides locates first slider (25) on first linear slide rail (41), the downside of washing module (2) is connected with and slides locates second slider (26) on second linear slide rail (42).
5. A roadway barrier cleaning apparatus as recited in claim 1, wherein: the cleaning device is characterized in that a module partition plate (27) is arranged between the cleaning module (2) and the spray pump (3), a cleaning baffle plate (5) is hinged to the upper side of the frame (1), the cleaning baffle plate (5) can swing around a hinged shaft to be unfolded or folded, and when the cleaning baffle plate is unfolded, a cleaning cavity (51) through which a guardrail can pass is formed between the cleaning baffle plate (5) and the module partition plate (27).
6. The roadway barrier cleaning apparatus of claim 5, wherein: the cleaning baffle (5) comprises a main baffle (52) and an auxiliary baffle (53), the cross section of the main baffle (52) is L-shaped and bent, one side of the main baffle is hinged to the upper side of the frame (1), the other opposite side of the main baffle is hinged to the auxiliary baffle (53), when the cleaning baffle (5) is folded, the main baffle (52) is attached to the frame (1), and the auxiliary baffle (53) swings around a hinge shaft to be attached to the main baffle (52).
7. The roadway barrier cleaning apparatus of claim 5, wherein: the spray pump is characterized by further comprising a water tank (6) which is detachably arranged on the frame (1) and connected with the spray pump (3), a water adding port (61) is arranged on the water tank (6), and the water tank (6) and the cleaning module (2) are arranged at intervals by a module partition plate (27).
8. The roadway barrier cleaning apparatus of claim 4, wherein: the cleaning device further comprises a transfer chassis (7), wherein a plurality of transfer rollers (71) are arranged at the bottom of the transfer chassis (7), and the frame (1) is arranged on the transfer chassis (7) in a loading mode, so that the cleaning module (2) can be driven by the transfer chassis (7) to move.
9. The roadway barrier cleaning apparatus of claim 8, wherein: the first linear slide rail (41) and the second linear slide rail (42) are parallel to the length direction of the transfer chassis (7), so that the cleaning module (2) is positioned at the lateral direction of the transfer chassis (7).
10. The roadway barrier cleaning apparatus of claim 8, wherein: the bottom of the transfer chassis (7) is also provided with a driving motor (72) for driving the transfer roller (71) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310283177.6A CN116289721A (en) | 2023-03-21 | 2023-03-21 | Road guardrail belt cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310283177.6A CN116289721A (en) | 2023-03-21 | 2023-03-21 | Road guardrail belt cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116289721A true CN116289721A (en) | 2023-06-23 |
Family
ID=86788374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310283177.6A Pending CN116289721A (en) | 2023-03-21 | 2023-03-21 | Road guardrail belt cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116289721A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116511196A (en) * | 2023-06-29 | 2023-08-01 | 安徽中海环境科技有限公司 | Intelligent cleaning equipment for garbage bin |
-
2023
- 2023-03-21 CN CN202310283177.6A patent/CN116289721A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116511196A (en) * | 2023-06-29 | 2023-08-01 | 安徽中海环境科技有限公司 | Intelligent cleaning equipment for garbage bin |
| CN116511196B (en) * | 2023-06-29 | 2023-12-05 | 安徽中海环境科技有限公司 | Intelligent cleaning equipment for garbage bin |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110143185B (en) | Gantry type full-automatic car washing system | |
| CN116289721A (en) | Road guardrail belt cleaning device | |
| CN110026375B (en) | Device is erased to lathe spare part greasy dirt | |
| CN211515319U (en) | Inclined rail plate washing machine | |
| CN208786977U (en) | A kind of cell phone mainboard processing cleaning device | |
| CN208136796U (en) | A kind of road both sides pavement brushing device | |
| CN107364429B (en) | Automatic cleaning system for large-scale cabinet body of rail transit vehicle | |
| CN208146617U (en) | A kind of CG wiper mechanism | |
| CN112958521B (en) | Large-scale power generation fan blade cleaning system | |
| CN210411610U (en) | Unmanned vending machine with self-cleaning function | |
| CN110465508A (en) | A kind of wiper mechanism of solar panel | |
| CN210546609U (en) | High-efficient high pressure cleaner of intelligence | |
| CN110811485B (en) | Cabinet air conditioner self-cleaning intelligent robot | |
| CN208009337U (en) | A kind of novel environment friendly road cleaner | |
| CN209506917U (en) | A kind of cleaning device of leather wringing stretched machine | |
| CN209322287U (en) | A kind of automatic staircase handrail band cleaning machine | |
| CN219428091U (en) | Engineering car washer structure | |
| CN214613825U (en) | Road isolation guardrail belt cleaning device | |
| CN220813609U (en) | Integrative belt cleaning device of road cement barricade guardrail | |
| CN212742338U (en) | Guardrail cleaning device for bridge | |
| CN218952079U (en) | Automatic cleaning machine for highway guardrails | |
| CN214706640U (en) | Outdoor prepackage type transformer substation with dust removal function | |
| CN216548244U (en) | Cleaning device for conveying chain plate | |
| CN213267673U (en) | Road cleaning equipment | |
| CN214737711U (en) | Watering dust-removing type automatic road sweeping device |
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 |