CN223118964U - Dust cleaner - Google Patents
Dust cleanerInfo
- Publication number
- CN223118964U CN223118964U CN202422214929.6U CN202422214929U CN223118964U CN 223118964 U CN223118964 U CN 223118964U CN 202422214929 U CN202422214929 U CN 202422214929U CN 223118964 U CN223118964 U CN 223118964U
- Authority
- CN
- China
- Prior art keywords
- dust
- vehicle body
- pipe
- water tank
- connecting pipe
- 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
Landscapes
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Abstract
The utility model discloses a dust cleaner which comprises a vehicle body, a cleaning water tank, a dust collection pipe, a collecting cover, a lifting assembly, a first supporting plate, a rotary connecting block, a motor, a cleaning brush, a water supply tank and a drain pipe, wherein the cleaning water tank and the water supply tank are fixedly arranged at the top of the vehicle body, the top of the cleaning water tank is communicated with the water supply tank through the drain pipe, the collecting cover is arranged at the side of the vehicle body in a lifting manner through the lifting assembly, the collecting cover faces the ground, one end of the dust collection pipe is communicated below the water surface in the cleaning water tank, the other end of the dust collection pipe is communicated with the collecting cover, the first supporting plate is arranged at the bottom of the vehicle body, the rotary connecting block is rotatably arranged on the first supporting plate, the motor is arranged at the bottom of the rotary connecting block, and an output shaft of the motor faces the ground and is connected with the cleaning brush, so that bristles of the cleaning brush are in rotary contact with the ground. The utility model relates to the technical field of environmental protection equipment, and can solve the problems that a dust cleaning device in the prior art cannot effectively clean dust falling on the ground and is easy to be damaged by impact of obstacles.
Description
Technical Field
The utility model relates to the technical field of environmental protection equipment, in particular to a dust cleaner.
Background
As is well known, building sites and garbage recycling plants are easy to generate dust in the running process, dust is also easy to generate in the running process of a muck carrier vehicle, the air is polluted to a certain extent, the concentrations of PM2.5 and PM10 are improved, and the respiratory health of human bodies is influenced. Therefore, dust-proof treatment is required for places and equipment where dust is liable to occur.
The utility model of China patent CN221131580U discloses a dust cleaning device, which comprises a shell and a filter, wherein an exhaust fan is fixed at the bottom end of one side outer wall of the shell, an air suction pipe is fixed at the top end of the exhaust fan, an air delivery pipe is fixed at the bottom of the exhaust fan, a main pipe is arranged on the inner side wall of the shell, a branch pipe is arranged at the top end of the main pipe, an aeration hole is formed in the outer wall of the branch pipe, and the filter is fixed at the top end of one side of the shell, which is far away from the exhaust fan.
This dust cleaning device only can absorb the air through the air exhauster, and most dust is piled up subaerial in actual construction, and the device can't clear up subaerial dust that falls to, and the cleaning performance is not good. Meanwhile, due to the fact that the civil construction site is complex in environment and uneven in ground, if the set height of the air suction pipe is low, dust on the ground can be sucked to a certain extent, and the dust can be easily damaged due to the fact that the dust is impacted by the ground protruding barriers in the advancing process. Therefore, there is a need to provide a dust cleaner which can solve the problems that in the prior art, dust cleaning devices cannot effectively clean dust falling on the ground and are easily damaged by impact of obstacles.
Disclosure of Invention
The utility model aims to provide a dust cleaner which can solve the problems that a dust cleaning device in the prior art cannot effectively clean dust falling on the ground and is easy to be damaged by impact of obstacles.
The utility model is realized in the following way:
A dust cleaner comprises a vehicle body, a cleaning water tank, a dust collection pipe, a collection cover, a lifting assembly, a first support plate, a rotary connecting block, a motor, a cleaning brush, a water supply tank and a drain pipe, wherein the cleaning water tank and the water supply tank are fixedly arranged at the top of the vehicle body, the top of the cleaning water tank is communicated with the water supply tank through the drain pipe, the collection cover is arranged at the side of the vehicle body through the lifting assembly in a lifting mode, a collection cavity of the collection cover is arranged facing the ground, one end of the dust collection pipe is communicated to the lower portion of the water surface in the cleaning water tank, the other end of the dust collection pipe is communicated with the collection cavity of the collection cover, the first support plate is arranged at the bottom of the vehicle body, the rotary connecting block is rotatably arranged on the first support plate, the motor is arranged at the bottom of the rotary connecting block, and an output shaft of the motor is arranged facing the ground and is coaxially fixedly connected with the cleaning brush, so that bristles of the cleaning brush are in rotary contact with the ground.
The rotatable rotating shaft penetrates through the rotating connecting block, and two ends of the rotating shaft are respectively and fixedly arranged on the pair of first supporting plates, so that the rotating connecting block is rotatably arranged below the vehicle body and between the pair of first supporting plates.
The bottom of automobile body install a pair of second backup pad, a pair of first backup pad and a pair of second backup pad symmetrical arrangement respectively around rotating the connecting block, and a pair of second backup pad and rotate and be connected through a pair of damping spring correspondence between the connecting block.
The axial direction of the damping spring is parallel to the advancing direction of the vehicle body and is perpendicular to the axial direction of the rotating shaft of the rotating connecting block.
The dust collection pipe comprises a first connecting pipe and a second connecting pipe, one end of the first connecting pipe is inserted into the cleaning water tank from the upper part of the cleaning water tank and extends to the lower part of the water surface, the other end of the first connecting pipe is connected with one end of the second connecting pipe in a telescopic manner, a movable sealing ring is arranged between the first connecting pipe and the second connecting pipe, the other end of the second connecting pipe is communicated with a collecting cavity of the collecting cover, and the lifting assembly is connected with the second connecting pipe.
The lifting assembly comprises a first fixing plate, an electric telescopic rod and a second fixing plate, wherein the fixed end of the electric telescopic rod is fixedly arranged on the outer wall of the cleaning water tank through the second fixing plate, the telescopic end of the electric telescopic rod is connected with the second connecting pipe through the first fixing plate, and the electric telescopic rod is arranged beside the dust collection pipe.
One end of the top of the vehicle body is connected with an armrest, and the armrest is positioned beside the water supply tank.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the dust collection device, the motor, the cleaning brush and the collection cover are arranged, when the motor drives the cleaning brush to rotate, the cleaning brush cleans dust on the ground to two sides, so that the collection cover is convenient to suck the dust by utilizing negative pressure and send the dust into the cleaning water tank through the dust collection pipe for dust collection, and meanwhile, the collection cover can adjust the ground clearance through the lifting assembly, so that a better dust treatment effect can be achieved.
2. According to the utility model, as the rotary connecting block, the damping springs and the rotating shaft are arranged, when the cleaning brush moves along with the vehicle body and collides with a convex obstacle on the ground, the impact force is transmitted to the rotary connecting block to enable the cleaning brush to rotate around the rotating shaft and cross the obstacle, meanwhile, the two damping springs are respectively extruded and stretched, and the impact force is buffered by utilizing the deformation elasticity of the damping springs and the rotary connecting block is pulled and reset.
Drawings
FIG. 1 is a top perspective view of the dust scrubber of the present utility model;
FIG. 2 is a bottom perspective view of the dust cleaner of the present utility model;
FIG. 3 is a schematic view of the installation of a swivel connection block in the dust scrubber of the present utility model;
Fig. 4 is an enlarged schematic view at a in fig. 1.
The device comprises a vehicle body, a cleaning water tank, a first connecting pipe, a second connecting pipe, a collecting cover, a first fixing plate, an electric telescopic rod, a second fixing plate, a first supporting plate, a rotary connecting block, a motor, a cleaning brush, a second supporting plate, a damping spring, a water supply tank, a water discharge pipe, a rotary shaft, a handle, a water supply pipe, a damping spring, a rotary shaft, a rotary handle, a handle and a handle, wherein the cleaning water tank, the electric telescopic rod, the cleaning brush, the damping spring, the rotary shaft, the water supply tank, the water supply pipe, the damping spring and the handle are sequentially arranged in sequence from the front to the rear of the vehicle body, the cleaning water tank, the cleaning brush, the first fixing plate and the damping spring.
Detailed Description
The utility model will be further described with reference to the drawings and the specific examples.
Referring to fig. 1 to 3, a dust cleaner comprises a vehicle body 1, a cleaning water tank 2, a dust suction pipe, a collecting cover 5, a lifting assembly, a first supporting plate 9, a rotary connecting block 10, a motor 11, a cleaning brush 12, a water supply tank 15 and a drain pipe 16, wherein the cleaning water tank 2 and the water supply tank 15 are fixedly arranged at the top of the vehicle body 1, the top of the cleaning water tank 2 is communicated with the water supply tank 15 through the drain pipe 16, the collecting cover 5 is arranged at the side of the vehicle body 1 in a lifting manner through the lifting assembly, so that a collecting cavity of the collecting cover 5 faces the ground, one end of the dust suction pipe is communicated to the lower part of the water surface in the cleaning water tank 2, the other end of the dust suction pipe is communicated with the collecting cavity of the collecting cover 5, the first supporting plate 9 is arranged at the bottom of the vehicle body 1, the rotary connecting block 10 is rotatably arranged on the first supporting plate 9, the motor 11 is arranged at the bottom of the rotary connecting block 10, and an output shaft of the motor 11 faces the ground and is coaxially and fixedly connected with the cleaning brush 12 so that bristles of the cleaning brush 12 are in rotary contact with the ground.
Preferably, the collecting hood 5 can adopt a high-pressure dust collection hood body in the prior art, and negative pressure is generated by using a high-pressure air pump, so that dust on the ground is driven to be sucked into the collecting hood 5 by high-speed flowing air flow, and then enters the cleaning water tank 2 through a dust collection pipe. Because the dust collection pipe extends to the lower part of the water surface of the cleaning water tank 2, dust mixed in the air can be trapped after the air enters the water, and the aim of removing the dust is achieved.
The first supporting plate 9, the rotary connecting block 10, the motor 11 and the cleaning brush 12 are arranged in groups, the number of the arranged groups and the distance between the arranged groups can be adaptively adjusted according to the size of the vehicle body 1 and the actual use requirement, and the specification of the motor can be adaptively selected according to the cleaning requirement. The motor 11 drives the cleaning brush 12 to rotate, so that dust on the ground can be lifted, and the collecting cover 5 can absorb the dust on the ground more efficiently and conveniently. Preferably, the collecting covers 5 are arranged on both sides of the vehicle body, and the dust on the ground is thrown out by centrifugal force when the cleaning brush 12 rotates, so that the dust is sucked by the collecting covers 5 on both sides.
The cleaning brush 12 moves synchronously along with the movement of the vehicle body 1, if the cleaning brush encounters a protruding obstacle on the ground, the impact force enables the rotary connecting block 10, the motor 11 and the cleaning brush 12 to synchronously rotate, and the cleaning brush 12 is lifted up in the rotation process, so that the protruding obstacle can be overcome, and collision damage is avoided.
Preferably, a water pump is installed on the drain pipe 16, and water in the water supply tank 15 is pumped into the cleaning water tank 2 through the drain pipe 16 by the water pump for supplying water to the cleaning water tank 2, and the empty water supply tank 15 can be used for temporarily storing sewage of the cleaning water tank 2.
Referring to fig. 3, a rotating shaft 17 rotatably penetrates through the rotating connection block 10, and two ends of the rotating shaft 17 are respectively and fixedly mounted on a pair of first support plates 9, so that the rotating connection block 10 is rotatably disposed below the vehicle body 1 and between the pair of first support plates 9.
The both ends of pivot 17 are installed on a pair of first backup pad 9, and the rotation connecting block 10 rotates relative to pivot 17, can improve rotation stability and the flexibility of rotation connecting block 10 to in time rotate under protruding barrier impact, thereby realize crossing protruding barrier's function.
Referring to fig. 2 and 3, a pair of second support plates 13 are mounted at the bottom of the vehicle body 1, a pair of first support plates 9 and a pair of second support plates 13 are symmetrically disposed around the rotary connecting block 10, and the pair of second support plates 13 are correspondingly connected with the rotary connecting block 10 through a pair of damping springs 14.
The second support plate 13 is used for installing the damping springs 14, the damping springs 14 are arranged on two sides of the rotation direction of the rotation connection block 10 in pairs, the damping springs 14 can be made of metal materials with smaller elastic coefficients so as to be rapidly deformed when being impacted, the rotation of the rotation connection block 10 is not hindered, and enough elastic force required for resetting can be provided.
When the rotary connection block 10 rotates, one damping spring 14 is stretched, the other damping spring 14 is compressed, and the elastic force is generated by the deformation of the damping spring 14, so that the rotary connection block 10 is pulled to rotate and reset. The elastic force of the damping spring 14 also provides a damping effect of buffering the impact force for the rotational connection block 10, the motor 11 and the cleaning brush 12 at the same time.
Referring to fig. 2 and 3, the axial direction of the damper spring 14 is parallel to the traveling direction of the vehicle body 1 and perpendicular to the axial direction of the rotating shaft 17 of the rotating connection block 10.
During the travel of the vehicle body 1, the protruding obstacle normally acts on the cleaning brush 12 with a force opposite to the travel direction, and the axial directions of the two damper springs 14 are installed in the front-rear direction of the vehicle body, i.e., the travel direction, so that the two damper springs 14 can respectively generate tension and compression at the time of collision, thereby applying elastic force to the rotational connection block 10.
When the two damping springs 14 are in a natural state, the cleaning brush 12 can be arranged perpendicular to the ground, so that dust is conveniently cleaned.
The dust collection pipe comprises a first connecting pipe 3 and a second connecting pipe 4, one end of the first connecting pipe 3 is inserted into the cleaning water tank 2 from the upper part of the cleaning water tank 2 and extends to the lower part of the water surface, the other end of the first connecting pipe 3 is connected with one end of the second connecting pipe 4 in a telescopic manner in an inserting mode, a movable sealing ring is arranged between the first connecting pipe 3 and the second connecting pipe 4, the other end of the second connecting pipe 4 is communicated with a collecting cavity of the collecting cover 5, and the lifting assembly is connected with the second connecting pipe 4.
The first connecting pipe 3 is used for extending into the cleaning water tank 2 and sending the high-speed airflow mixed with dust into the water of the cleaning water tank 2 so as to filter the dust. The second connecting pipe 4 is used for connecting the first connecting pipe 3 and the collecting cover 5, so that high-speed air flow mixed with dust in the collecting cover 5 is sent into the first connecting pipe 3, and due to the arrangement of the movable sealing ring, the air flow is ensured not to overflow from a gap between the first connecting pipe 3 and the second connecting pipe 4 in the conveying process, and the second connecting pipe 4 can be ensured to be lifted relative to the first connecting pipe 3 under the action of the lifting assembly, so that the purpose of adjusting the height of the collecting cover 5 is achieved.
Referring to fig. 1, the lifting assembly includes a first fixing plate 6, an electric telescopic rod 7 and a second fixing plate 8, wherein a fixed end of the electric telescopic rod 7 is fixedly mounted on an outer wall of the cleaning water tank 2 through the second fixing plate 8, a telescopic end of the electric telescopic rod 7 is connected with the second connecting pipe 4 through the first fixing plate 6, and the electric telescopic rod 7 is arranged beside the dust suction pipe.
Preferably, the electric telescopic rod 7 can adopt an air pressure type or hydraulic type telescopic rod, after the electric telescopic rod 7 is connected with a power supply, air pressure or oil pressure is utilized for injection or extraction, and a piston rod, namely the telescopic end of the electric telescopic rod 7, is driven to do telescopic motion, so that the first fixing plate 6 drives the second connecting pipe 4 to do synchronous lifting motion.
The first fixing plate 6 is used for connecting the second lifting pipe 4 and a piston rod of the electric telescopic rod 7, and the first fixing plate 6 is installed by paying attention to collision avoidance between the movement track of the first fixing plate and the vehicle body 1. The second fixing plate 8 is used for fixing and installing the main body part of the electric telescopic rod 7, namely the fixed end, so that the electric telescopic rod 7 is vertically arranged beside the dust collection pipe.
Referring to fig. 1, an armrest 18 is connected to one end of the top of the vehicle body 1, and the armrest 18 is located beside the water supply tank 15.
The armrest 18 is convenient for the field personnel to hold and push the vehicle body 1 to move. Preferably, the vehicle body 1 and the handrails 18 can be flat cars in the prior art, and the structure is simple, and the materials and the use are easy.
Referring to fig. 1 to 4, the application method and the working principle of the utility model are as follows:
The electric telescopic rod 7 is started, the telescopic end of the electric telescopic rod 7 is downwards pushed to extend or upwards retract, the second connecting pipe 4 is driven to synchronously move upwards or downwards through the first fixing plate 6, the second connecting pipe 4 drives the collecting cover 5 to synchronously lift, and the ground clearance of the collecting cover 5 is adjusted to achieve the effects of sucking dust and preventing collision.
The field staff grips the armrest 18 and pushes the vehicle body 1 to move flexibly on site. When the vehicle body 1 moves, dust on the ground is sucked through the collecting cover 5, and the dust enters the cleaning water tank 2 along with the air flowing at a high speed through the second connecting pipe 4 and the first connecting pipe 3, so that the dust is settled after entering water, and the purpose of removing the dust is achieved.
Air is discharged from an exhaust port preset at the top of the cleaning water tank 2, so that the pressure balance in the cleaning water tank 2 is ensured. If the water amount in the cleaning water tank 2 is insufficient or turbid, water supply and water replacement can be performed on the cleaning water tank 2 through water in the water supply tank 15.
When the vehicle body 1 moves, the motor 11 drives the cleaning brush 12 to rotate, and the cleaning brush 12 rotates to clean dust on the ground, so that the dust on the ground can be sucked in the maximum efficiency of the collecting cover 5, and the ground dust treatment effect is improved. If the convex obstacle on the ground is encountered in the moving process of the vehicle body 1, the collision force can drive the rotary connecting block 10, the motor 11 and the cleaning brush 12 to rotate around the rotary shaft 17 in the direction opposite to the advancing direction of the vehicle body 1, so that the convex obstacle can be avoided by utilizing the rotation while the advancing of the vehicle body 1 is not hindered, and collision damage is avoided.
In the process of rotating the rotary connecting block 10, the damping springs 14 positioned at the front side of the vehicle body 1 in the advancing direction are stretched, the damping springs 14 positioned at the rear side of the vehicle body in the advancing direction are compressed, and the rotary connecting block 10 is quickly reset after crossing a raised obstacle by utilizing the elasticity generated by deformation of the two damping springs 14, so that the cleaning brush 12 is convenient to continuously clean dust accumulated on the ground.
The collision force that takes place in the advancing process of automobile body 1 mostly is the direction of travel, and the collision that unavoidable cleaning brush 12 received also probably has the side direction skew, and damping spring 14 can produce torsion deformation, and the diameter of pivot 17 is slightly less than the through-hole in the rotation connecting block 10, guarantees the rotation of rotation connecting block 10 and reset function when striking to be convenient for make cleaning brush 12 reset fast.
The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, therefore, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. A dust cleaner is characterized by comprising a vehicle body (1), a cleaning water tank (2), a dust collection pipe, a collection cover (5), a lifting assembly, a first support plate (9), a rotary connecting block (10), a motor (11), a cleaning brush (12), a water supply tank (15) and a drain pipe (16), wherein the cleaning water tank (2) and the water supply tank (15) are fixedly arranged at the top of the vehicle body (1), the top of the cleaning water tank (2) is communicated with the water supply tank (15) through the drain pipe (16), the collection cover (5) is arranged at the side of the vehicle body (1) in a lifting manner through the lifting assembly, a collection cavity of the collection cover (5) is arranged facing the ground, one end of the dust collection pipe is communicated to the lower portion of the water surface in the cleaning water tank (2), the other end of the dust collection pipe is communicated with the collection cavity of the collection cover (5), the first support plate (9) is arranged at the bottom of the vehicle body (1), the rotary connecting block (10) is rotatably arranged on the first support plate (9), the motor (11) is arranged at the bottom of the rotary connecting block (10), and an output shaft of the motor (11) faces the ground and is fixedly connected with the cleaning brush (12) in a coaxial mode, so that brush bristles can be contacted with the ground.
2. The dust cleaner as set forth in claim 1, wherein the rotary connecting block (10) rotatably penetrates through a rotary shaft (17), and both ends of the rotary shaft (17) are fixedly mounted on a pair of first support plates (9) respectively, so that the rotary connecting block (10) is rotatably disposed below the vehicle body (1) and between the pair of first support plates (9).
3. The dust cleaner as set forth in claim 2, wherein a pair of second support plates (13) are installed at the bottom of the vehicle body (1), the pair of first support plates (9) and the pair of second support plates (13) are symmetrically disposed around the rotating connection block (10), and the pair of second support plates (13) are correspondingly connected with the rotating connection block (10) through a pair of damping springs (14).
4. A dust cleaner according to claim 3, wherein the damper spring (14) has an axial direction parallel to the traveling direction of the vehicle body (1) and perpendicular to the axial direction of the rotating shaft (17) of the rotating joint block (10).
5. The dust cleaner of claim 1, wherein the dust collection pipe comprises a first connecting pipe (3) and a second connecting pipe (4), one end of the first connecting pipe (3) is inserted into the cleaning water tank (2) from the upper part of the cleaning water tank (2) and extends to the lower part of the water surface, the other end of the first connecting pipe (3) is connected with one end of the second connecting pipe (4) in a telescopic manner, a movable sealing ring is arranged between the first connecting pipe (3) and the second connecting pipe (4), the other end of the second connecting pipe (4) is communicated with a collecting cavity of the collecting cover (5), and the lifting assembly is connected with the second connecting pipe (4).
6. The dust cleaner of claim 5, wherein the lifting assembly comprises a first fixing plate (6), an electric telescopic rod (7) and a second fixing plate (8), the fixed end of the electric telescopic rod (7) is fixedly arranged on the outer wall of the cleaning water tank (2) through the second fixing plate (8), the telescopic end of the electric telescopic rod (7) is connected with the second connecting pipe (4) through the first fixing plate (6), and the electric telescopic rod (7) is arranged beside the dust suction pipe.
7. The dust cleaner as set forth in claim 1, wherein one end of the top of the vehicle body (1) is connected with a handrail (18), and the handrail (18) is located at the side of the water supply tank (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422214929.6U CN223118964U (en) | 2024-09-10 | 2024-09-10 | Dust cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422214929.6U CN223118964U (en) | 2024-09-10 | 2024-09-10 | Dust cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223118964U true CN223118964U (en) | 2025-07-18 |
Family
ID=96378606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422214929.6U Active CN223118964U (en) | 2024-09-10 | 2024-09-10 | Dust cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223118964U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121220279A (en) * | 2025-12-01 | 2025-12-30 | 苏州二建建筑集团有限公司 | An equipment and method for slope restoration during ecological protection engineering construction. |
-
2024
- 2024-09-10 CN CN202422214929.6U patent/CN223118964U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121220279A (en) * | 2025-12-01 | 2025-12-30 | 苏州二建建筑集团有限公司 | An equipment and method for slope restoration during ecological protection engineering construction. |
| CN121220279B (en) * | 2025-12-01 | 2026-02-27 | 苏州二建建筑集团有限公司 | An equipment and method for slope restoration during ecological protection engineering construction. |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN223118964U (en) | Dust cleaner | |
| CN209603023U (en) | A kind of civil engineering works cleaning dust-extraction unit | |
| CN108396695A (en) | A kind of road cleaner | |
| CN1833594A (en) | Automatic dust collector | |
| CN114875835B (en) | Municipal works road maintenance device | |
| CN2584661Y (en) | Improved of airflow type high-speed sweeping vehicle | |
| CN213086680U (en) | Extensible dust absorption chassis for sweeper | |
| CN210459087U (en) | Track cleaning device | |
| CN210737448U (en) | Rail debris collection device | |
| CN221013150U (en) | Cleaning robot | |
| CN215888058U (en) | Rear sweeping and rolling lifting mechanism for road sweeper | |
| CN112809508A (en) | A equipment of polishing for furniture production | |
| CN114164788B (en) | Road cleaning equipment | |
| CN212026070U (en) | Civil engineering operation cleans dust collector | |
| CN212066610U (en) | Anti-collision suction nozzle for pure electric vacuum sweeper | |
| CN223747239U (en) | Dust collector for highway construction | |
| CN220550490U (en) | New energy power supply dust collection device of dust collection vehicle | |
| CN211006284U (en) | Milling machine | |
| CN211536714U (en) | Prevent sewage treatment device of jam | |
| CN2856149Y (en) | Water bathing dust removing scavening machine | |
| CN108478113A (en) | A kind of high efficiency cleaning sweeping robot | |
| CN209678399U (en) | A kind of height-adjustable dust catcher with cleaning agency for building | |
| CN218757206U (en) | Municipal works road surface cleaning device | |
| CN208183618U (en) | A kind of sweeping machine | |
| CN112359765A (en) | Road bridge construction road surface cleaning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |