CN219973466U - Pipeline cleaning vehicle - Google Patents
Pipeline cleaning vehicle Download PDFInfo
- Publication number
- CN219973466U CN219973466U CN202321398973.6U CN202321398973U CN219973466U CN 219973466 U CN219973466 U CN 219973466U CN 202321398973 U CN202321398973 U CN 202321398973U CN 219973466 U CN219973466 U CN 219973466U
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- installation
- vehicle
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- plate
- pipeline
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- 238000004140 cleaning Methods 0.000 title claims abstract description 75
- 238000009434 installation Methods 0.000 claims abstract description 99
- 230000001681 protective effect Effects 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 23
- 238000005286 illumination Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model provides a pipeline cleaning vehicle, and relates to the technical field of cleaning vehicles. The pipeline cleaning vehicle comprises a first installation vehicle plate, a second installation vehicle plate and a third installation vehicle plate, wherein the second installation vehicle plate is detachably connected with the first installation vehicle plate, and the third installation vehicle plate is in sliding connection with the second installation vehicle plate; the first mounting vehicle plate is provided with a driving wheel and a driving assembly for driving the driving wheel to rotate; the third installation sweep rotates and is equipped with the installation axle, and the both ends of installation axle all are equipped with from the driving wheel. The utility model is convenient to put into the pipeline, can move in the pipeline to transport workers and cleaned impurities, is convenient to operate, and improves the cleaning efficiency of the pipeline impurities.
Description
Technical Field
The utility model relates to the technical field of cleaning vehicles, in particular to a pipeline cleaning vehicle.
Background
The existing underground large-diameter pipeline often accumulates impurities, so that the underground pipeline needs to be cleaned, and due to the large diameter of the underground pipeline, the impurities in the pipeline are generally cleaned by workers entering the underground pipeline from a pipeline wellhead. Because the pipeline is longer, and the pipeline extends hundreds of and even kilometers, the workman is in the clearance impurity of inside and transport the impurity out and need walk longer distance, waste time and energy, be unfavorable for the transportation of impurity, clearance inefficiency.
Disclosure of Invention
The utility model aims to provide a pipeline cleaning vehicle which is convenient to put into a pipeline, can move in the pipeline to transport workers and cleaned impurities, is convenient to operate and improves the cleaning efficiency of the pipeline impurities.
Embodiments of the present utility model are implemented as follows:
the embodiment of the utility model provides a pipeline cleaning vehicle, which comprises a first installation vehicle plate, a second installation vehicle plate and a third installation vehicle plate, wherein the second installation vehicle plate is detachably connected with the first installation vehicle plate, and the third installation vehicle plate is in sliding connection with the second installation vehicle plate; the first mounting vehicle plate is provided with a driving wheel and a driving assembly for driving the driving wheel to rotate; the third installation sweep rotates and is equipped with the installation axle, and the both ends of installation axle all are equipped with from the driving wheel.
Further, in some embodiments of the present utility model, the driving assembly includes a driving motor and a gear box disposed on the first mounting board, a transmission shaft of the driving motor is connected to a power input shaft of the gear box, and the number of driving wheels is two and is respectively disposed on a power output shaft of the gear box.
Further, in some embodiments of the present utility model, the protective cover further includes a hinge, one end of the protective cover is rotatably connected to the first mounting board, and a baffle is rotatably disposed at the other end of the protective cover through the hinge; the driving component is arranged inside the protective cover.
Further, in some embodiments of the present utility model, the above further includes a locking bolt having one end passing through the baffle and threadedly coupled to the first mounting plate.
Further, in some embodiments of the present utility model, illumination lamps are disposed on two opposite sides of the protective cover.
Further, in some embodiments of the present utility model, the first mounting deck is provided with a plurality of first screw holes at intervals along the moving direction of the pipe cleaning vehicle, and the second mounting deck is provided with a plurality of first mounting holes at intervals along the moving direction of the pipe cleaning vehicle; the first adjusting bolts penetrate through the first mounting holes and are in threaded connection with the first mounting lathe plate.
Further, in some embodiments of the present utility model, the second mounting plate is provided with a plurality of second screw holes at intervals along the moving direction of the pipe cleaning vehicle, and the third mounting plate is provided with a plurality of second mounting holes at intervals along the moving direction of the pipe cleaning vehicle; the second adjusting bolts penetrate through the second mounting holes and are in threaded connection with the second mounting turning plate.
Further, in some embodiments of the present utility model, the third mounting vehicle plate is located at the top of the second mounting vehicle plate, the opposite sides of the third mounting vehicle plate are provided with the first limiting plate, the opposite sides of the second mounting vehicle plate are provided with the second limiting plate, and the outer side wall of the second limiting plate is in sliding abutting connection with the inner side wall of the first limiting plate.
Further, in some embodiments of the present utility model, the third mounting vehicle plate is provided with a storage box with an open top and a box cover for shielding the opening of the storage box, and one side of the box cover is rotatably connected with the third mounting vehicle plate through a hinge.
Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects:
the embodiment of the utility model provides a pipeline cleaning vehicle, which comprises a first installation vehicle plate, a second installation vehicle plate and a third installation vehicle plate, wherein the second installation vehicle plate is detachably connected with the first installation vehicle plate, and the third installation vehicle plate is in sliding connection with the second installation vehicle plate; the first mounting vehicle plate is provided with a driving wheel and a driving assembly for driving the driving wheel to rotate; the third installation sweep rotates and is equipped with the installation axle, and the both ends of installation axle all are equipped with from the driving wheel.
The device is convenient to put into the pipeline, can move in the pipeline to transport workers and cleaned impurities, is convenient to operate, and improves the cleaning efficiency of the pipeline impurities.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a pipe cleaning vehicle provided by an embodiment of the present utility model;
FIG. 2 is a left side view of a pipe cleaning vehicle according to an embodiment of the present utility model;
FIG. 3 is a partial cross-sectional view of a pipeline cleaning vehicle provided by an embodiment of the utility model;
FIG. 4 is an enlarged view of FIG. 3 at A;
FIG. 5 is a top view of a pipeline cleaning vehicle according to an embodiment of the present utility model with a protective cover removed;
FIG. 6 is an exploded view of a pipe cleaning vehicle according to an embodiment of the present utility model;
FIG. 7 is a cross-sectional view A-A of FIG. 5;
fig. 8 is an exploded view of fig. 7.
Icon: 1-a first mounting vehicle panel; 2-a second mounting vehicle panel; 3-third mounting a vehicle plate; 4-driving wheels; 5-mounting a shaft; 6-driven wheel; 7-driving a motor; 8-a gear box; 9-protecting cover; 10-hinges; 11-a baffle; 12-lighting lamp; 13-locking a bolt; 14-a first screw hole; 15-a first mounting hole; 16-a first adjusting bolt; 17-a second screw hole; 18-a second mounting hole; 19-a second adjusting bolt; 20-a first limiting plate; 21-a second limiting plate; 22-storage box; 23-box cover; 24-storage battery; 25-bearing seat.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Examples
Referring to fig. 1-8, the present embodiment provides a pipe cleaning vehicle, which includes a first installation vehicle board 1, a second installation vehicle board 2 and a third installation vehicle board 3, wherein the second installation vehicle board 2 is detachably connected with the first installation vehicle board 1, and the third installation vehicle board 3 is slidably connected with the second installation vehicle board 2; the first mounting vehicle board 1 is provided with a driving wheel 4 and a driving assembly for driving the driving wheel 4 to rotate; the third installation sweep 3 rotates and is equipped with installation axle 5, and the both ends of installation axle 5 all are equipped with from driving wheel 6.
The driving assembly comprises a driving motor 7 and a gear box 8 which are arranged on the first mounting vehicle plate 1, a transmission shaft of the driving motor 7 is connected with a power input shaft of the gear box 8, and the number of the driving wheels 4 is two and the driving wheels are respectively arranged on power output shafts of the gear box 8.
During the in-service use, can place this pipeline cleaning vehicle in the pipeline from the well equipotential, because the well head of general well is less, can dismantle with first installation sweep 1 through setting up second installation sweep 2, so in placing this pipeline cleaning vehicle front, can dismantle the separation each other with second installation sweep 2 and first installation sweep 1, so pipeline cleaning vehicle divide into two parts, it is small, be convenient for remove into the pipeline from the well, then with second installation sweep 2 and first installation sweep 1 link together in the pipeline can, so be convenient for this pipeline cleaning vehicle put into the pipeline and take out from the pipeline after using.
After the pipeline cleaning vehicle is installed in the pipeline, the third installation vehicle plate 3 can slide along the second installation vehicle plate 2 according to actual needs, so that the whole length of the pipeline cleaning vehicle can be adjusted, and when more impurities need to be loaded, the whole length of the pipeline cleaning vehicle can be increased to load more impurities.
When cleaning, a worker can squat or sit on the first mounting vehicle plate 1, and a plurality of garbage cans can be placed on the tops of the third mounting vehicle plate 3 and the second mounting vehicle plate 2. The driving motor 7 is started, and the power of the driving motor 7 is transmitted to the two driving wheels 4 through the gear box 8 to enable the driving wheels 4 to rotate, so that the driving wheels 4 move along the inner side wall of the pipeline to convey the pipeline cleaning vehicle and workers to a place in the pipeline, where impurities need to be cleaned. Then the driving motor 7 is turned off to stop the pipeline cleaning vehicle, and the worker can place cleaned impurities in a plurality of garbage cans; after the cleaning is finished, the driving motor 7 is started, the driving motor 7 reversely rotates to enable the pipeline cleaning vehicle to move back to the position of the pipeline well, so that the pipeline cleaning vehicle moves out together with a plurality of garbage cans filled with impurities, and the garbage cans are conveniently taken out of the pipeline well. So convenient operation has improved the cleaning efficiency of pipeline impurity.
Alternatively, the first mounting vehicle panel 1 of the present embodiment may be provided with a battery 24, and power is supplied through the electrical connection of the battery 24 with the drive motor 7. The pipeline cleaning vehicle can be provided with a plurality of control switches for controlling the pipeline cleaning vehicle to move forwards and backwards. Optionally, two bearing seats 25 may be disposed on the first installation vehicle board 1 and the third installation vehicle board 3 in this embodiment, and bearings are disposed in the bearing seats 25, so that the power output shaft of the gearbox 8 and the installation shaft 5 may both pass through the bearings to be installed, so that the rotation of the power output shaft and the installation shaft is facilitated.
As shown in fig. 1 to 8, in some embodiments of the present utility model, the protective cover 9 is further included, one end of the protective cover 9 is rotatably connected to the first mounting board 1 through a hinge 10, and the other end of the protective cover 9 is rotatably provided with a baffle 11 through the hinge 10; the drive assembly is arranged inside the protective cover 9. Also included is a locking bolt 13, one end of the locking bolt 13 passing through the baffle 11 and being threadedly coupled to the first mounting deck 1.
The utility model is convenient to protect the driving assembly through the protective cover 9 by arranging the protective cover 9, and the storage battery 24 can be arranged in the protective cover 9. Moreover, by arranging the baffle 11, the locking bolt 13 can be rotated when the storage battery 24 needs to be replaced, then the baffle 11 and the protective cover 9 are rotated to expose the storage battery 24 and the driving assembly, the storage battery 24 is convenient to replace, the storage battery 24 and the driving assembly are covered by the rotating protective cover 9 after the replacement is finished, then the baffle 11 is attached to the first mounting vehicle plate 1, and one end of the locking bolt 13 penetrates through the baffle 11 and is fixedly connected with the first mounting vehicle plate 1 in a threaded manner, so that the protective cover 9 is prevented from being automatically opened.
In some embodiments of the present utility model, as shown in fig. 1-8, the illumination lamp 12 is disposed on two opposite sides of the protective cover 9. Because the light in the pipeline is dim, the illuminating lamp 12 is arranged, so that the front and back illumination can be conveniently carried out through the illuminating lamps 12 on the two sides.
As shown in fig. 1 to 8, in some embodiments of the present utility model, the first mounting plate 1 is provided with a plurality of first screw holes 14 at intervals along the moving direction of the pipe cleaning vehicle, and the second mounting plate 2 is provided with a plurality of first mounting holes 15 at intervals along the moving direction of the pipe cleaning vehicle; also included are a plurality of first adjustment bolts 16, one ends of the first adjustment bolts 16 passing through the first mounting holes 15 and being threadedly coupled with the first mounting deck 1.
According to the utility model, the first screw holes 14 and the first mounting holes 15 are formed, so that when the first mounting vehicle plate 1 and the second mounting vehicle plate 2 are mounted, one end of the first adjusting bolt 16 can pass through the first mounting holes 15 and is in threaded connection with the first mounting vehicle plate 1, and the second mounting vehicle plate 2 can be fixed on the first mounting vehicle plate 1 through the first adjusting bolt 16, so that the operation is convenient, and the second mounting vehicle plate 2 can be dismounted from the first mounting vehicle plate 1.
As shown in fig. 1 to 8, in some embodiments of the present utility model, the second mounting plate 2 is provided with a plurality of second screw holes 17 at intervals along the moving direction of the pipe cleaning vehicle, and the third mounting plate 3 is provided with a plurality of second mounting holes 18 at intervals along the moving direction of the pipe cleaning vehicle; a plurality of second adjusting bolts 19 are further included, and one end of each second adjusting bolt 19 passes through the second mounting hole 18 and is in threaded connection with the second mounting deck 2.
According to the utility model, the second screw holes 17 and the second mounting holes 18 are formed, so that after the third mounting vehicle plate 3 slides along the second mounting vehicle plate 2 to adjust the whole length of the pipeline cleaning vehicle, one end of the second adjusting bolt 19 passes through the second mounting hole 18 and is in threaded connection with the second mounting vehicle plate 2 to be locked, the third mounting vehicle plate 3 is conveniently locked to the second mounting vehicle plate 2, the pipeline cleaning vehicle can be stably kept at the length, and the stability of the pipeline cleaning vehicle in use is improved. And because a plurality of second screw holes 17 and a plurality of second mounting holes 18 all set up along pipeline cleaning vehicle direction of movement interval, so be convenient for second installation sweep 2 and third installation sweep 3 fix in a plurality of positions, and then be convenient for improve pipeline cleaning vehicle overall length adjustable range.
As shown in fig. 1 to 8, in some embodiments of the present utility model, the third installation deck 3 is located at the top of the second installation deck 2, the opposite sides of the third installation deck 3 are provided with the first limiting plates 20, the opposite sides of the second installation deck 2 are provided with the second limiting plates 21, and the outer side walls of the second limiting plates 21 are in sliding abutment with the inner side walls of the first limiting plates 20.
According to the utility model, the first limiting plate 20 and the second limiting plate 21 are arranged, so that the first limiting plate 20 can improve the structural strength of the third mounting vehicle plate 3, and the second limiting plate 21 can improve the structural strength of the second mounting vehicle plate 2; and when the third installation sweep 3 slides along the second limiting plate 21, the outer side wall of the second limiting plate 21 is in sliding butt with the inner side wall of the first limiting plate 20, so that the sliding precision and stability of the third installation sweep 3 along the second limiting plate 21 are improved, and the sliding dislocation of the third installation sweep 3 is prevented.
As shown in fig. 1 to 8, in some embodiments of the present utility model, the third mounting board 3 is provided with a storage box 22 with an open top and a box cover 23 for covering the opening of the storage box 22, and one side of the box cover 23 is rotatably connected to the third mounting board 3 through a hinge 10. By providing the storage box 22, some tools can be placed in the storage box 22 for storage.
In summary, an embodiment of the present utility model provides a pipe cleaning vehicle, including a first installation vehicle board 1, a second installation vehicle board 2 and a third installation vehicle board 3, where the second installation vehicle board 2 is detachably connected to the first installation vehicle board 1, and the third installation vehicle board 3 is slidably connected to the second installation vehicle board 2; the first mounting vehicle board 1 is provided with a driving wheel 4 and a driving assembly for driving the driving wheel 4 to rotate; the third installation sweep 3 rotates and is equipped with installation axle 5, and the both ends of installation axle 5 all are equipped with from driving wheel 6.
The driving assembly comprises a driving motor 7 and a gear box 8 which are arranged on the first mounting vehicle plate 1, a transmission shaft of the driving motor 7 is connected with a power input shaft of the gear box 8, and the number of the driving wheels 4 is two and the driving wheels are respectively arranged on power output shafts of the gear box 8.
During the in-service use, can place this pipeline cleaning vehicle in the pipeline from the well equipotential, because the well head of general well is less, can dismantle with first installation sweep 1 through setting up second installation sweep 2, so in placing this pipeline cleaning vehicle front, can dismantle the separation each other with second installation sweep 2 and first installation sweep 1, so pipeline cleaning vehicle divide into two parts, it is small, be convenient for remove into the pipeline from the well, then with second installation sweep 2 and first installation sweep 1 link together in the pipeline can, so be convenient for this pipeline cleaning vehicle put into the pipeline and take out from the pipeline after using.
After the pipeline cleaning vehicle is installed in the pipeline, the third installation vehicle plate 3 can slide along the second installation vehicle plate 2 according to actual needs, so that the whole length of the pipeline cleaning vehicle can be adjusted, and when more impurities need to be loaded, the whole length of the pipeline cleaning vehicle can be increased to load more impurities.
When cleaning, a worker can squat or sit on the first mounting vehicle plate 1, and a plurality of garbage cans can be placed on the tops of the third mounting vehicle plate 3 and the second mounting vehicle plate 2. The driving motor 7 is started, and the power of the driving motor 7 is transmitted to the two driving wheels 4 through the gear box 8 to enable the driving wheels 4 to rotate, so that the driving wheels 4 move along the inner side wall of the pipeline to convey the pipeline cleaning vehicle and workers to a place in the pipeline, where impurities need to be cleaned. Then the driving motor 7 is turned off to stop the pipeline cleaning vehicle, and the worker can place cleaned impurities in a plurality of garbage cans; after the cleaning is finished, the driving motor 7 is started, the driving motor 7 reversely rotates to enable the pipeline cleaning vehicle to move back to the position of the pipeline well, so that the pipeline cleaning vehicle moves out together with a plurality of garbage cans filled with impurities, and the garbage cans are conveniently taken out of the pipeline well. So convenient operation has improved the cleaning efficiency of pipeline impurity.
The foregoing is merely a preferred embodiment of the present utility model, and it is not intended to limit the present utility model, and it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiment, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. The utility model provides a pipeline clearance car which characterized in that: the vehicle-mounted device comprises a first installation vehicle plate, a second installation vehicle plate and a third installation vehicle plate, wherein the second installation vehicle plate is detachably connected with the first installation vehicle plate, and the third installation vehicle plate is in sliding connection with the second installation vehicle plate; the first mounting vehicle plate is provided with a driving wheel and a driving assembly for driving the driving wheel to rotate; the third installation sweep rotates and is equipped with the installation axle, the both ends of installation axle all are equipped with from the driving wheel.
2. A pipe cleaning vehicle as defined in claim 1, wherein: the driving assembly comprises a driving motor and a gear box, wherein the driving motor and the gear box are arranged on the first mounting vehicle plate, a transmission shaft of the driving motor is connected with a power input shaft of the gear box, and the number of driving wheels is two and respectively arranged on power output shafts of the gear box.
3. A pipe cleaning vehicle as defined in claim 1, wherein: the vehicle-mounted device further comprises a protective cover, one end of the protective cover is rotatably connected with the first mounting vehicle plate through a hinge, and the other end of the protective cover is rotatably provided with a baffle through the hinge; the driving assembly is arranged inside the protective cover.
4. A pipe cleaning vehicle according to claim 3, wherein: the locking device further comprises a locking bolt, and one end of the locking bolt penetrates through the baffle and is in threaded connection with the first installation lathe plate.
5. A pipe cleaning vehicle according to claim 3, wherein: the opposite two sides of the protective cover are provided with illuminating lamps.
6. A pipe cleaning vehicle as defined in claim 1, wherein: the first mounting vehicle plates are provided with a plurality of first screw holes at intervals along the moving direction of the pipeline cleaning vehicle, and the second mounting vehicle plates are provided with a plurality of first mounting holes at intervals along the moving direction of the pipeline cleaning vehicle; the first adjusting bolts penetrate through the first mounting holes and are in threaded connection with the first mounting lathe plate.
7. A pipe cleaning vehicle as defined in claim 1, wherein: the second installation vehicle plates are provided with a plurality of second screw holes at intervals along the moving direction of the pipeline cleaning vehicle, and the third installation vehicle plates are provided with a plurality of second installation holes at intervals along the moving direction of the pipeline cleaning vehicle; the second mounting bolts are arranged on the first mounting plates, and one ends of the second mounting bolts penetrate through the second mounting holes and are in threaded connection with the second mounting plates.
8. A pipe cleaning vehicle as defined in claim 1, wherein: the third installation sweep is located the second installation sweep top, the both sides that the third installation sweep is relative are equipped with first limiting plate, the both sides that the second installation sweep is relative are equipped with the second limiting plate, the lateral wall of second limiting plate with the slip butt of first limiting plate inside wall.
9. A pipe cleaning vehicle as defined in claim 1, wherein: the third installation sweep is equipped with open-top's storing box and is used for sheltering from storing box open-ended lid, one side of lid pass through the hinge with the third installation sweep rotates to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321398973.6U CN219973466U (en) | 2023-06-02 | 2023-06-02 | Pipeline cleaning vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321398973.6U CN219973466U (en) | 2023-06-02 | 2023-06-02 | Pipeline cleaning vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219973466U true CN219973466U (en) | 2023-11-07 |
Family
ID=88583889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321398973.6U Active CN219973466U (en) | 2023-06-02 | 2023-06-02 | Pipeline cleaning vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219973466U (en) |
-
2023
- 2023-06-02 CN CN202321398973.6U patent/CN219973466U/en active Active
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