CN217678376U - Brush for cleaning track - Google Patents
Brush for cleaning track Download PDFInfo
- Publication number
- CN217678376U CN217678376U CN202220078477.1U CN202220078477U CN217678376U CN 217678376 U CN217678376 U CN 217678376U CN 202220078477 U CN202220078477 U CN 202220078477U CN 217678376 U CN217678376 U CN 217678376U
- Authority
- CN
- China
- Prior art keywords
- track
- hinged
- brush
- rod
- hinge
- 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
Images
Abstract
The utility model belongs to the technical field of the track traffic, especially, brush is used in track clearance, including track, automobile body and cleaning brush, the lower fixed surface of automobile body installs the movable wheel, the surface of movable wheel with orbital inboard surface rotates to be connected, a side surface of automobile body is provided with shovels grey device. This brush for track clearance, through setting up shovel grey device, when needing to shovel the impurity on the track, the piston rod shrink of stretching out and the second pneumatic cylinder of first pneumatic cylinder piston rod drives first hinge bar, second hinge bar and third hinge bar rotate respectively on the articulated shaft and take place to deflect to drive scraper bowl and track contact, along with the automobile body when the drive of movable wheel is moved forward, the scraper bowl is shoveled the impurity on the track, reach the effect of shoveling the large granule impurity on the track.
Description
Technical Field
The utility model relates to a track traffic technical field especially relates to a brush for track clearance.
Background
The urban rail transit system is a transit system which uses vehicles to run on fixed guide rails in cities and is mainly used for urban passenger transport, and rail transit appears in the cities as public transport for a long time and plays an increasingly important role.
Because the track exposes in the environment mostly, therefore a large amount of dusts are long-pending to stay on the track easily, stone and soil, the vehicle moves on the track, lead to the wheel to jolt because of the foreign matter on the track, thereby cause the damage to the wheel easily, present track cleaning device is mostly to the impurity of track outside clearing up, and use the brush to clean the dust on track surface, and the position of brush is mostly all fixed, generally clean with the help of the removal of tractor, thereby be not convenient for clear up the brush surface, can not effectively be with stone and the impurity clean up of large granule simultaneously at the clearance in-process, cause the clearance not thorough, thereby the operation of track motor car has been influenced.
SUMMERY OF THE UTILITY MODEL
Based on current technical problem, the utility model provides a brush is used in track clearance.
The utility model provides a brush for cleaning track, including track, automobile body and cleaning brush, the lower fixed surface of automobile body installs the movable wheel, the surface of movable wheel with the inboard surface of track is rotated and is connected, a side surface of automobile body is provided with shovels grey device, it includes the scraper bowl to shovel grey device, through the scraper bowl with the impurity that piles up on the track is shoveled;
the outer surface of the cleaning brush is provided with a rotary lifting device, the rotary lifting device comprises an air cylinder, and the cleaning brush is driven by the extension of an air cylinder piston rod to move up and down.
Preferably, the dust shoveling device further comprises a first hinge rod, one end of the first hinge rod is hinged to one side surface of the bucket, the other end of the first hinge rod is hinged to a second hinge rod, the outer surface of the second hinge rod is hinged to one side surface of the vehicle body through a hinge shaft, the upper surface of the vehicle body is hinged to a first hydraulic cylinder through a hinge shaft, and one end of a piston rod of the first hydraulic cylinder is hinged to one end of the second hinge rod through a hinge shaft;
through above-mentioned technical scheme, stretching out of first pneumatic cylinder piston rod drives the second hinge bar and rotates on the articulated shaft, and the both ends that the deflection that the second hinge bar took place drove first hinge bar rotate on the articulated shaft respectively to drive scraper bowl and track contact, along with the removal of movable wheel on the track drives the automobile body and removes, the removal of automobile body drives the scraper bowl and shovels the impurity on the track.
Preferably, a third hinge rod is hinged to one side surface of the bucket, one end of the third hinge rod is hinged to one side surface of the car body, a second hydraulic cylinder is hinged to one side surface of the car body through a hinge shaft, and one end of a piston rod of the second hydraulic cylinder is hinged to one side surface of the third hinge rod through a hinge shaft;
through above-mentioned technical scheme, when the impurity that needs to shovel is clear away, the removal that stops the movable wheel drives the automobile body and stops, and the piston rod of second pneumatic cylinder stretches out the both ends that drive the third hinge pole and rotate on the articulated shaft, and the shrink of first pneumatic cylinder piston rod drives first hinge bar and second hinge bar and rotates on the articulated shaft simultaneously, and the deflection that first hinge bar, second hinge bar and third hinge pole take place drives the scraper bowl rebound.
Preferably, the rotary lifting device further comprises a groove, the groove is formed in the inner wall of the vehicle body, a movable plate is connected to the inner wall of the groove in a sliding and clamping mode, the upper surface of the movable plate is fixedly connected with one end of a piston rod of the cylinder, and the outer surface of the cylinder is fixedly installed on the inner wall of the vehicle body;
through the technical scheme, the extending of the piston rod of the air cylinder drives the movable plate to move downwards along the inner wall of the groove.
Preferably, a pipe sleeve is fixedly installed on one side of the lower surface of the movable plate through a bearing, a rotating shaft is connected to the inner wall of the pipe sleeve in a sliding and clamping mode, a first motor is fixedly installed on the inner wall of the vehicle body, one end of the rotating shaft penetrates through the upper surface of the movable plate and is fixedly sleeved with one end of an output shaft of the first motor, a conical gear is fixedly sleeved at one end of the pipe sleeve, a connecting shaft is fixedly sleeved at the axis of the other conical gear, and the two conical gears are meshed with each other;
through the technical scheme, the movable plate moves downwards to drive the pipe sleeve to move downwards, the pipe sleeve moves downwards to drive the rotating shaft to slide on the inner wall of the pipe sleeve, the rotating shaft of the first motor drives the rotating shaft to rotate, the rotating shaft drives the pipe sleeve to rotate, the rotating shaft of the pipe sleeve drives the conical gear to rotate, and the rotating shaft of the conical gear drives the connecting shaft to rotate through meshing with the other conical gear.
Preferably, the other side of the lower surface of the movable plate is fixedly connected with a telescopic plate, one end of the connecting shaft is fixedly installed with the inner wall of the telescopic plate through a bearing, and the outer surface of the connecting shaft is fixedly sleeved with the inner wall of the cleaning brush;
through the technical scheme, the movable plate moves downwards while driving the telescopic plate to move downwards, so that the cleaning brush is driven to move downwards, and when the cleaning brush moves to a certain position, the rotation of the connecting shaft drives the cleaning brush to synchronously rotate.
Preferably, a second motor is fixedly mounted on the inner wall of the vehicle body, a turntable is fixedly mounted in the middle of the vehicle body through a bearing, and one end of an output shaft of the second motor is fixedly sleeved with the inner wall of the turntable;
through the technical scheme, when the shovel device lifts the shovel bucket, the second motor is started, the rotating shaft of the second motor drives the rotating disc to rotate, and the rotating disc drives the upper half part of the car body, which is connected with the rotating disc, to rotate, so that the shovel bucket is driven to rotate.
The utility model provides a beneficial effect does:
1. through setting up the shovel grey device, when needing to shovel the impurity on the track, stretch out of first pneumatic cylinder piston rod and the piston rod shrink of second pneumatic cylinder drive first hinge bar, second hinge bar and third hinge bar and rotate respectively on the articulated shaft and take place to deflect to drive scraper bowl and track contact, along with the automobile body when moving forward under the drive of movable wheel, the scraper bowl is shoveled the impurity on the track, reaches the effect of shoveling the large granule impurity on the track.
2. Through setting up rotatory elevating gear, when needing to clean the tiny dust on the track, the stretching out of cylinder piston rod drives the fly leaf and moves down along the inner wall of recess, the moving down of fly leaf drives the expansion plate and moves down, it moves down to drive the pipe box simultaneously, it moves down to drive the cleaning brush along with moving down of expansion plate and pipe box, when the cleaning brush moves a certain position, start first motor, the rotation of first motor output shaft drives the pivot and rotates, the rotation of pivot drives the pipe box and rotates, the rotation of pipe box drives the bevel gear and rotates, drive the connecting axle through the meshing with another bevel gear and rotate, the rotation of connecting axle drives the cleaning brush and rotates, thereby reach the deashing effect.
Drawings
Fig. 1 is a schematic view of a brush for cleaning a track according to the present invention;
fig. 2 is a perspective view of a car body structure of the brush for cleaning the track of the present invention;
fig. 3 is a perspective view of a second motor structure of the brush for cleaning a track according to the present invention;
fig. 4 is a perspective view of a cleaning brush structure of the brush for cleaning rails according to the present invention.
In the figure: 1. a track; 2. a vehicle body; 3. a cleaning brush; 4. a movable wheel; 5. a bucket; 51. a first hinge lever; 52. a second hinge lever; 53. a first hydraulic cylinder; 54. a third hinge rod; 55. a second hydraulic cylinder; 6. a cylinder; 61. a groove; 62. a movable plate; 63. pipe sleeve; 64. a rotating shaft; 65. a first motor; 66. a bevel gear; 67. a connecting shaft; 68. a retractable plate; 7. a second motor; 8. a turntable.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a brush for cleaning a track comprises a track 1, a vehicle body 2 and a cleaning brush 3, wherein a movable wheel 4 is fixedly arranged on the lower surface of the vehicle body 2, the outer surface of the movable wheel 4 is rotatably connected with the inner side surface of the track 1, an ash shoveling device is arranged on one side surface of the vehicle body 2, and comprises a bucket 5, and impurities accumulated on the track 1 are shoveled by the bucket 5;
further, the dust shoveling device further comprises a first hinge rod 51, one end of the first hinge rod 51 is hinged to one side surface of the bucket 5, the other end of the first hinge rod 51 is hinged to a second hinge rod 52, the outer surface of the second hinge rod 52 is hinged to one side surface of the vehicle body 2 through a hinge shaft, the upper surface of the vehicle body 2 is hinged to a first hydraulic cylinder 53 through a hinge shaft, one end of a piston rod of the first hydraulic cylinder 53 is hinged to one end of the second hinge rod 52 through a hinge shaft, contraction of the piston rod of the first hydraulic cylinder 53 drives the second hinge rod 52 to rotate on the hinge shaft, deflection of the second hinge rod 52 drives two ends of the first hinge rod 51 to respectively rotate on the hinge shaft, so as to drive the bucket 5 to be in contact with the track 1, the vehicle body 2 is driven to move along with movement of the movable wheel 4 on the track 1, and the movement of the vehicle body 2 drives the bucket 5 to shovel impurities on the track 1;
furthermore, a third hinge rod 54 is hinged to one side surface of the bucket 5, one end of the third hinge rod 54 is hinged to one side surface of the car body 2, a second hydraulic cylinder 55 is hinged to one side surface of the car body 2 through a hinge shaft, one end of a piston rod of the second hydraulic cylinder 55 is hinged to one side surface of the third hinge rod 54 through a hinge shaft, when the scooped impurities need to be removed, the car body 2 is stopped by stopping the movement of the movable wheel 4, the piston rod of the second hydraulic cylinder 55 extends out to drive two ends of the third hinge rod 54 to rotate on the hinge shaft, meanwhile, the piston rod of the first hydraulic cylinder 53 extends out to drive the first hinge rod 51 and the second hinge rod 52 to rotate on the hinge shaft, and the bucket 5 is driven to move upwards by the deflection of the first hinge rod 51, the second hinge rod 52 and the third hinge rod 54;
by arranging the dust shoveling device, when impurities on the track 1 need to be shoveled, the extension of the piston rod of the first hydraulic cylinder 53 and the contraction of the piston rod of the second hydraulic cylinder 55 drive the first hinge rod 51, the second hinge rod 52 and the third hinge rod 54 to rotate on the hinge shaft respectively to deflect, so that the bucket 5 is driven to contact with the track 1, and when the vehicle body 2 moves forward under the driving of the movable wheels 4, the bucket 5 shovels the impurities on the track 1, so that the effect of shoveling large-particle impurities on the track 1 is achieved;
a second motor 7 is fixedly mounted on the inner wall of the vehicle body 2, a rotary disc 8 is fixedly mounted in the middle of the vehicle body 2 through a bearing, one end of an output shaft of the second motor 7 is fixedly sleeved with the inner wall of the rotary disc 8, when the scraper bucket 5 is lifted by the ash shoveling device, the second motor 7 is started, the rotation of the output shaft of the second motor 7 drives the rotary disc 8 to rotate, and the rotation of the rotary disc 8 drives the upper half part of the vehicle body 2 connected with the rotary disc 8 to rotate, so that the scraper bucket 5 is driven to rotate;
the outer surface of the cleaning brush 3 is provided with a rotary lifting device, the rotary lifting device comprises a cylinder 6, and the cleaning brush 3 is driven to move up and down by the extension and contraction of a piston rod of the cylinder 6;
further, the rotary lifting device further comprises a groove 61, the groove 61 is formed in the inner wall of the vehicle body 2, a movable plate 62 is slidably clamped on the inner wall of the groove 61, the upper surface of the movable plate 62 is fixedly connected with one end of a piston rod of the cylinder 6, the outer surface of the cylinder 6 is fixedly installed on the inner wall of the vehicle body 2, and the movable plate 62 is driven by the piston rod of the cylinder 6 to move downwards along the inner wall of the groove 61 through extension;
further, a pipe sleeve 63 is fixedly mounted on one side of the lower surface of the movable plate 62 through a bearing, a rotating shaft 64 is slidably clamped on the inner wall of the pipe sleeve 63, a first motor 65 is fixedly mounted on the inner wall of the vehicle body 2, one end of the rotating shaft 64 penetrates through the upper surface of the movable plate 62 and is fixedly sleeved with one end of an output shaft of the first motor 65, a conical gear 66 is fixedly sleeved on one end of the pipe sleeve 63, a connecting shaft 67 is fixedly sleeved on the axis of the other conical gear 66, the two conical gears 66 are meshed with each other, downward movement of the movable plate 62 drives the pipe sleeve 63 to move downward, downward movement of the pipe sleeve 63 drives the rotating shaft 64 to slide on the inner wall of the pipe sleeve 63, rotation of the output shaft of the first motor 65 drives the rotating shaft 64 to rotate, rotation of the pipe sleeve 63 drives the conical gear 66 to rotate, and rotation of the conical gear 66 drives the connecting shaft 67 to rotate through meshing with the other conical gear 66;
further, the other side of the lower surface of the movable plate 62 is fixedly connected with a telescopic plate 68, one end of the connecting shaft 67 is fixedly mounted on the inner wall of the telescopic plate 68 through a bearing, the outer surface of the connecting shaft 67 is fixedly sleeved with the inner wall of the cleaning brush 3, the movable plate 62 moves downwards and simultaneously drives the telescopic plate 68 to move downwards, so that the cleaning brush 3 is driven to move downwards, and when the cleaning brush 3 moves to a certain position, the connecting shaft 67 rotates to drive the cleaning brush 3 to synchronously rotate;
by arranging the rotary lifting device, when fine dust on the track 1 needs to be cleaned, the extending of the piston rod of the air cylinder 6 drives the movable plate 62 to move downwards along the inner wall of the groove 61, the movable plate 62 moves downwards to drive the telescopic plate 68 to move downwards and simultaneously drive the pipe sleeve 63 to move downwards, the cleaning brush 3 is driven to move downwards along with the downward movement of the telescopic plate 68 and the pipe sleeve 63, when the cleaning brush 3 moves to a certain position, the first motor 65 is started, the rotation of the output shaft of the first motor 65 drives the rotating shaft 64 to rotate, the rotation of the rotating shaft 64 drives the pipe sleeve 63 to rotate, the rotation of the pipe sleeve 63 drives the conical gear 66 to rotate, the connecting shaft 67 is driven to rotate by meshing with the other conical gear 66, and the cleaning brush 3 is driven to rotate by the rotation of the connecting shaft 67, so that the dust cleaning effect is achieved.
The working principle is as follows: when impurities on the track 1 need to be removed, the extension of the piston rod of the first hydraulic cylinder 53 and the contraction of the piston rod of the second hydraulic cylinder 55 drive the first hinge rod 51, the second hinge rod 52 and the third hinge rod 54 to rotate on the hinge shaft respectively to deflect, so as to drive the bucket 5 to contact with the track 1, and when the vehicle body 2 moves under the drive of the movable wheel 4, the bucket 5 removes the impurities on the track 1;
when impurities accumulated in the bucket need to be removed, the contraction of the piston rod of the first hydraulic cylinder 53 and the extension of the piston rod of the second hydraulic cylinder 55 drive the first hinge rod 51, the second hinge rod 52 and the third hinge rod 54 to respectively rotate on the hinge shaft to deflect, so that the bucket 5 is driven to move upwards to separate from the track 1, the second motor 7 is started, the rotation of the output shaft of the second motor 7 drives the turntable 8 to rotate, the rotation of the turntable 8 drives the ash shoveling device to synchronously rotate, and when the bucket rotates to a certain position, the first hydraulic cylinder 53 and the piston rod of the second hydraulic cylinder 55 are matched to drive the bucket 5 to rotate on the hinge shaft to turn downwards, so that the impurities in the bucket 5 are poured out;
when fine dust on the track 1 needs to be cleaned, the extending of the piston rod of the air cylinder 6 drives the movable plate 62 to move downwards along the inner wall of the groove 61, the movable plate 62 moves downwards to drive the telescopic plate 68 to move downwards and simultaneously drive the pipe sleeve 63 to move downwards, the cleaning brush 3 is driven to move downwards along with the downward movement of the telescopic plate 68 and the pipe sleeve 63, when the cleaning brush 3 moves to a certain position, the first motor 65 is started, the rotation of the output shaft of the first motor 65 drives the rotating shaft 64 to rotate, the rotation of the rotating shaft 64 drives the pipe sleeve 63 to rotate, the rotation of the pipe sleeve 63 drives the conical gear 66 to rotate, the connecting shaft 67 is driven to rotate through the meshing with the other conical gear 66, and the rotation of the connecting shaft 67 drives the cleaning brush 3 to rotate;
when the cleaning brush 3 is not needed, the piston rod of the air cylinder 6 contracts to drive the movable plate 62 to move upwards along the inner wall of the groove 61, the movable plate 62 moves upwards to drive the telescopic plate 68 and the pipe sleeve 63 to move upwards, and the cleaning brush 3 is driven by the telescopic plate 68 to move upwards to be separated from the track 1.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a brush is used in track clearance, includes track (1), automobile body (2) and cleaning brush (3), its characterized in that: the lower surface of the vehicle body (2) is fixedly provided with a movable wheel (4), the outer surface of the movable wheel (4) is rotatably connected with the inner side surface of the track (1), one side surface of the vehicle body (2) is provided with an ash shoveling device, the ash shoveling device comprises a bucket (5), and impurities accumulated on the track (1) are shoveled by the bucket (5);
the outer surface of the cleaning brush (3) is provided with a rotary lifting device, the rotary lifting device comprises a cylinder (6), and the cleaning brush (3) is driven by the telescopic action of a piston rod of the cylinder (6) to move up and down.
2. The brush for track cleaning as claimed in claim 1, wherein: the ash shoveling device further comprises a first hinged rod (51), one end of the first hinged rod (51) is hinged to one side surface of the bucket (5), the other end of the first hinged rod (51) is hinged to a second hinged rod (52), the outer surface of the second hinged rod (52) is hinged to one side surface of the car body (2) through a hinged shaft, the upper surface of the car body (2) is hinged to a first hydraulic cylinder (53) through a hinged shaft, and one end of a piston rod of the first hydraulic cylinder (53) is hinged to one end of the second hinged rod (52) through a hinged shaft.
3. A track cleaning brush as defined in claim 2, wherein: the scraper bowl (5) is characterized in that a third hinge rod (54) is hinged to one side surface of the scraper bowl (5), one end of the third hinge rod (54) is hinged to one side surface of the scraper bowl (2), a second hydraulic cylinder (55) is hinged to one side surface of the scraper bowl (2) through a hinge shaft, and one end of a piston rod of the second hydraulic cylinder (55) is hinged to one side surface of the third hinge rod (54) through a hinge shaft.
4. The brush for track cleaning as claimed in claim 1, wherein: rotatory elevating gear still includes recess (61), recess (61) are seted up the inner wall of automobile body (2), the inner wall sliding joint of recess (61) has fly leaf (62), the upper surface of fly leaf (62) with the piston rod one end fixed connection of cylinder (6), the surface fixed mounting of cylinder (6) is in the inner wall of automobile body (2).
5. The brush as claimed in claim 4, wherein: the utility model discloses a portable electric vehicle is characterized in that there is pipe box (63) lower surface one side of fly leaf (62) through bearing fixed mounting, the inner wall slip joint of pipe box (63) has pivot (64), the inner wall fixed mounting of automobile body (2) has first motor (65), the one end of pivot (64) is passed the upper surface of fly leaf (62) and with the output shaft one end of first motor (65) is fixed to be cup jointed, the fixed cover in one end of pipe box (63) has bevel gear (66), another the fixed cover in axle center department of bevel gear (66) has connected connecting axle (67), two bevel gear (66) intermeshing.
6. The brush as claimed in claim 5, wherein: the lower surface opposite side fixedly connected with expansion plate (68) of fly leaf (62), the one end of connecting axle (67) pass through the bearing with the inner wall fixed mounting of expansion plate (68), the surface of connecting axle (67) with the inner wall fixed of cleaning brush (3) cup joints.
7. The brush for track cleaning as claimed in claim 1, wherein: the inner wall fixed mounting of automobile body (2) has second motor (7), there is carousel (8) at the middle part of automobile body (2) through bearing fixed mounting, the output shaft one end of second motor (7) with the inner wall fixed cup joint of carousel (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220078477.1U CN217678376U (en) | 2022-01-13 | 2022-01-13 | Brush for cleaning track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220078477.1U CN217678376U (en) | 2022-01-13 | 2022-01-13 | Brush for cleaning track |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217678376U true CN217678376U (en) | 2022-10-28 |
Family
ID=83727504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220078477.1U Active CN217678376U (en) | 2022-01-13 | 2022-01-13 | Brush for cleaning track |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217678376U (en) |
-
2022
- 2022-01-13 CN CN202220078477.1U patent/CN217678376U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205369124U (en) | Motor sweeper of keeping a public place clean | |
| CN109853436A (en) | A kind of combined type dust suction disc and vacuum sweeper with round brush, rubber slab regulating device | |
| CN217678376U (en) | Brush for cleaning track | |
| CN215482624U (en) | Garbage sweeper sweeping arm mechanism with prolonged service life | |
| CN109706877B (en) | Snow removing rolling brush assembly | |
| CN217204329U (en) | Landslide wrecker | |
| CN216237999U (en) | Edge finishing device for asphalt pavement construction | |
| CN206706871U (en) | A kind of sludge scavenging device of steam turbine | |
| CN112901894B (en) | Portable municipal drainage pipeline rubbish clearance robot | |
| CN210177474U (en) | Single-beam rake type trash remover | |
| CN2318260Y (en) | Cleaning equipment for city road isolation fence | |
| CN113787631A (en) | Bridge crack that steadiness is strong is with clearance anchor | |
| CN112854102A (en) | Cleaning device for municipal road | |
| CN209836891U (en) | Front suction nozzle device and sweeping machine with same | |
| CN216101786U (en) | Covering device for hood of dumper | |
| CN112523054A (en) | Bituminous paving is road surface prosthetic devices for pit | |
| CN219731940U (en) | Road construction drill core sampling device | |
| CN2915933Y (en) | Lifting mechanism for side brush in sweeper | |
| CN215801339U (en) | Liftable formula road surface belt cleaning device | |
| CN217438797U (en) | Special fan of multi-functional washing and sweeping car of single shot liquid drive | |
| RU221378U1 (en) | Road sweeper with two-section working brush unit | |
| CN217710508U (en) | Sanitation motor sweeper convenient to adjust and clean position | |
| CN219137801U (en) | Excavator | |
| CN220598294U (en) | Unmanned road sweeper | |
| CN214573630U (en) | Urban tunnel cleaning and maintaining device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |