CN214763526U - Double-irrigation linkage mud scraper - Google Patents
Double-irrigation linkage mud scraper Download PDFInfo
- Publication number
- CN214763526U CN214763526U CN202120922627.8U CN202120922627U CN214763526U CN 214763526 U CN214763526 U CN 214763526U CN 202120922627 U CN202120922627 U CN 202120922627U CN 214763526 U CN214763526 U CN 214763526U
- Authority
- CN
- China
- Prior art keywords
- wire rope
- steel wire
- traction
- end guide
- cylinder
- 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
Landscapes
- Platform Screen Doors And Railroad Systems (AREA)
Abstract
The utility model discloses a two irritate coordinated type mud scraper, haulage wire rope forms a confined rectangle in the setting pit, and the during operation passes through chain drive by wire rope drive assembly, and it is rotatory to drive wire rope section of thick bamboo, is equipped with left and right grooving on the rope section of thick bamboo, and another rope of rope receipts is put when same direction side is rotatory, plays to scrape the mud dolly and makes the back and forth operation on the track, and wherein, haulage wire rope passes through the buckle respectively with first walking dolly and second walking dolly be connected, thereby pass through haulage wire rope's removal drives first walking dolly and second walking dolly and removes, and then through a drive arrangement, can accomplish the drive to first walking dolly second walking dolly respectively to simplify equipment, reduced manufacturing cost.
Description
Technical Field
The utility model relates to an environmental protection equipment field especially relates to a two irritate coordinated type mud scrapers.
Background
At present, the single-rail mud scrapers of the inclined tube settling tank of the sewage treatment plant and the tap water plant are controlled by a single machine, and if a plurality of mud scrapers are arranged, two controllers are required to be arranged, so that the production cost is improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two coordinated type mud scraper irritates, aim at solving the pipe chute sedimentation tank single track mud scraper of sewage treatment plant and water works among the prior art, all are single control, if set up many mud scrapers, need set up two controllers to manufacturing cost's technical problem has been improved.
In order to realize the purpose, the utility model discloses a double-irrigation linkage mud scraper, which comprises a first walking trolley, a second walking trolley and a double-drive control device;
the first travelling trolley is connected with the sedimentation tank in a sliding manner and is positioned in the sedimentation tank, and the second travelling trolley is connected with the sedimentation tank in a sliding manner and is positioned on one side of the sedimentation tank close to the first travelling trolley;
the dual-drive control device comprises a steel wire rope traction cylinder, a steel wire rope guide cylinder, a steel wire rope driving component, a driving end guide component, a driven end guide component and a traction steel wire rope, wherein the steel wire rope traction cylinder is rotationally connected with the sedimentation tank, is connected with the first walking trolley through the traction steel wire rope and is arranged on the sedimentation tank, the steel wire rope guide cylinder is fixedly connected with the steel wire rope traction cylinder and is connected with the second walking trolley through the traction steel wire rope, the steel wire rope driving component is rotationally connected with the steel wire rope guide cylinder and is rotationally connected with the steel wire rope traction cylinder, the driving end guide component is connected with the steel wire rope traction cylinder through the traction steel wire rope and is connected with the first walking trolley through the traction steel wire rope, and the driven end guide component is connected with the steel wire rope guide cylinder through the traction steel wire rope, and is connected with the second walking trolley through the traction steel wire rope, and the traction steel wire rope is connected with the steel wire rope traction cylinder and the steel wire rope guide cylinder.
The driving end guide assembly comprises a driving end traction wheel and a driving end guide wheel, the driving end traction wheel is arranged on the sedimentation basin, is connected with the first travelling trolley through the traction steel wire rope and is connected with the steel wire rope traction cylinder through the traction steel wire rope; the driving end guide wheel is arranged on the sedimentation tank and connected with the steel wire rope guide cylinder through the traction steel wire rope.
The driving end guide assembly further comprises an embedded steel plate, the embedded steel plate is fixedly connected with the sedimentation basin, is rotatably connected with the driving end traction wheel and is rotatably connected with the driving end guide wheel, and the embedded steel plate is located on one side, close to the driving end traction wheel, of the sedimentation basin.
The passive end guide assembly comprises a first passive end guide wheel, a second passive end guide wheel and a third passive end guide wheel, wherein the first passive end guide wheel is rotatably connected with the sedimentation tank, is connected with the driving end traction wheel through the traction steel wire rope and is positioned on one side of the sedimentation tank far away from the driving end traction wheel; the second driven end guide wheel is rotatably connected with the sedimentation tank, is connected with the first driven end guide wheel through the traction steel wire rope, and is positioned on one side of the sedimentation tank close to the first driven end guide wheel; the third driven end guide wheel is rotatably connected with the sedimentation tank, is connected with the second driven end guide wheel through the traction steel wire rope, and is connected with the driving end guide wheel through the traction steel wire rope, and the third driven end guide wheel is positioned on one side, close to the driving end guide wheel, of the sedimentation tank.
The steel wire rope driving assembly comprises a rack and a speed reducer, wherein the rack is fixedly connected with the sedimentation tank, is rotatably connected with the steel wire rope traction cylinder and is rotatably connected with the steel wire rope guide cylinder; the speed reducer is fixedly connected with the rack, is rotatably connected with the steel wire rope guide cylinder and is positioned on one side, close to the steel wire rope guide cylinder, of the rack.
The wire rope driving assembly further comprises a gear counter, the gear counter is fixedly connected with the rack, is rotatably connected with the wire rope traction cylinder and is located on one side, close to the wire rope traction cylinder, of the rack.
The double-drive control device further comprises a rail, wherein the rail is arranged on the sedimentation tank, is in sliding connection with the first walking trolley and is in sliding connection with the second walking trolley.
The double-irrigation linkage type mud scraper further comprises a first scraper and a second scraper, and the first scraper is arranged on the first travelling trolley; the second scraper is arranged on the second walking trolley.
The utility model discloses a two irritate coordinated type mud scraper, haulage wire rope is in form a confined rectangle in the settling basin, the during operation by wire rope drive assembly passes through chain drive, and it is rotatory to drive wire rope section of thick bamboo, is equipped with left and right grooving on the rope section of thick bamboo, and another rope of rope receipts is put when same direction side is rotatory, plays to scrape the mud dolly and makes the operation of coming and going on the track, wherein, haulage wire rope pass through the buckle respectively with first walking dolly with the second walking dolly is connected, thereby passes through haulage wire rope's removal drives first walking dolly with the second walking dolly removes, and then through a drive arrangement, can accomplish respectively right first walking dolly the drive of second walking dolly to equipment has been simplified, has reduced manufacturing cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Figure 1 is a front view of a dual drive control device of the present invention.
Fig. 2 is a plan view of the dual drive control device of the present invention.
Fig. 3 is a cross-sectional view a-a of fig. 1 according to the present invention.
Fig. 4 is an enlarged view of a portion a in fig. 2 according to the present invention.
In the figure: 1-a first walking trolley, 2-a second walking trolley, 3-a double-drive control device, 4-a first scraper, 5-a second scraper, 6-a sedimentation tank, 31-a steel wire rope traction cylinder, 32-a steel wire rope guide cylinder, 33-a steel wire rope drive component, 34-a drive end guide component, 35-a driven end guide component, 36-a traction steel wire rope, 37-a track, 100-a double-irrigation linkage type mud scraper, 331-a rack, 332-a speed reducer, 333-a gear counter, 341-a drive end traction wheel, 342-a drive end guide wheel, 343-a pre-embedded steel plate, 351-a first driven end guide wheel, 352-a second driven end guide wheel and 353-a third driven end guide wheel.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 4, the present invention provides a double-irrigation linkage type mud scraper 100, which comprises a first walking trolley 1, a second walking trolley 2 and a double-drive control device 3;
the first travelling trolley 1 is connected with the sedimentation tank 6 in a sliding manner and is positioned in the sedimentation tank 6, and the second travelling trolley 2 is connected with the sedimentation tank 6 in a sliding manner and is positioned on one side of the sedimentation tank 6 close to the first travelling trolley 1;
the dual-drive control device 3 comprises a steel wire rope traction cylinder 31, a steel wire rope guide cylinder 32, a steel wire rope driving component 33, a driving end guide component 34, a driven end guide component 35 and a traction steel wire rope 36, wherein the steel wire rope traction cylinder 31 is rotatably connected with the sedimentation tank 6, is connected with the first travelling trolley 1 through the traction steel wire rope 36 and is arranged on the sedimentation tank 6, the steel wire rope guide cylinder 32 is fixedly connected with the steel wire rope traction cylinder 31 and is connected with the second travelling trolley 2 through the traction steel wire rope 36, the steel wire rope driving component 33 is rotatably connected with the steel wire rope guide cylinder 32 and is rotatably connected with the steel wire rope traction cylinder 31, the driving end guide component 34 is connected with the steel wire rope traction cylinder 31 through the traction steel wire rope 36 and is connected with the first travelling trolley 1 through the traction steel wire rope 36, the passive end guide assembly 35 is connected with the steel wire rope guide cylinder 32 through the traction steel wire rope 36, and is connected with the second walking trolley 2 through the traction steel wire rope 36, and the traction steel wire rope 36 is connected with the steel wire rope traction cylinder 31 and the steel wire rope guide cylinder 32.
Further, referring to fig. 4, the drive-end guide assembly 34 includes a drive-end traction wheel 341 and a drive-end guide wheel 342, the drive-end traction wheel 341 is disposed on the sedimentation basin 6, and is connected to the first traveling trolley 1 through the traction wire rope 36, and is connected to the wire rope traction cylinder 31 through the traction wire rope 36; the drive end guide wheel 342 is arranged on the sedimentation basin 6 and connected with the wire rope guide cylinder 32 through the traction wire rope 36.
Further, referring to fig. 2, the passive end guide assembly 35 includes a first passive end guide wheel 351, a second passive end guide wheel 352 and a third passive end guide wheel 353, wherein the first passive end guide wheel 351 is rotatably connected to the sedimentation tank 6, is connected to the driving end traction wheel 341 through the traction wire rope 36, and is located on a side of the sedimentation tank 6 away from the driving end traction wheel 341; the second driven end guide wheel 352 is rotatably connected with the sedimentation tank 6, is connected with the first driven end guide wheel 351 through the traction steel wire rope 36, and is positioned on one side of the sedimentation tank 6 close to the first driven end guide wheel 351; the third driven end guide wheel 353 is rotatably connected with the sedimentation basin 6, is connected with the second driven end guide wheel 352 through the traction steel wire rope 36, and is connected with the driving end guide wheel 342 through the traction steel wire rope 36, and the third driven end guide wheel 353 is positioned on one side of the sedimentation basin 6 close to the driving end guide wheel 342.
In the present embodiment, the sedimentation tank 6 is an inclined tube sedimentation tank 6, wherein four tank bodies and eight tank bodies are generally provided, two adjacent tank bodies are grouped, and two 150mmx150mm holes for stringing a traction rope are formed in the middle wall of the two adjacent tank bodies; the steel wire rope traction cylinder 31 and the steel wire rope guide cylinder 32 are fixed through threads and are installed on the same axis, one end of the traction steel wire rope 36 is sleeved on the steel wire rope traction cylinder 31, the other end of the traction steel wire rope is sleeved on the steel wire rope guide cylinder 32, the sleeving directions of the traction steel wire rope 36 on the steel wire rope traction cylinder 31 and the steel wire rope guide cylinder 32 are opposite, the steel wire rope driving assembly 33 drives the steel wire rope traction cylinder 31 and the steel wire rope guide cylinder 32 to rotate in the same direction, at the moment, the steel wire rope traction cylinder 31 releases the traction steel wire rope 36 while the traction steel wire rope 36 is recovered, and the steel wire rope guide cylinder 32 recovers the traction steel wire rope 36 while the steel wire rope traction cylinder 31 releases the traction steel wire rope 36; starting from the steel wire rope traction cylinder 31, the traction steel wire rope 36 respectively passes through the driving end traction wheel 341, the first traveling trolley 1, the first driven end guide wheel 351, the second driven end guide wheel 352 and the second traveling trolley 2, so that the traction steel wire rope 36 forms a closed rectangle in the sedimentation tank 6, the steel wire rope driving component 33 drives the steel wire rope cylinder to rotate through chain transmission during working, the rope cylinder is provided with a left rope groove and a right rope groove, one rope receives the other rope when rotating in the same direction, so as to play a role of reciprocating motion of the mud scraping trolley on a track 37, wherein the traction steel wire rope 36 is respectively connected with the first traveling trolley 1 and the second traveling trolley 2 through buckles, so that the first traveling trolley 1 and the second traveling trolley 2 are driven to move through the movement of the traction steel wire rope 36, and then, the first travelling trolley 1 and the second travelling trolley 2 can be driven respectively through one driving device, so that the device is simplified, and the production cost is reduced.
Further, referring to fig. 4, the drive-end guide assembly 34 further includes an embedded steel plate 343, the embedded steel plate 343 is fixedly connected to the sedimentation basin 6, rotatably connected to the drive-end traction wheel 341, and rotatably connected to the drive-end guide wheel 342, and the embedded steel plate 343 is located on one side of the sedimentation basin 6 near the drive-end traction wheel 341.
In this embodiment, the embedded steel plate 343 is installed on the sidewall of the sedimentation basin 6 by bolts, and the driving-end traction wheel 341 and the driving-end guide wheel 342 are respectively installed by a bracket, so that the driving-end traction wheel 341 and the driving-end guide wheel 342 can rotate, wherein the rotation direction of the driving-end traction wheel 341 faces a direction perpendicular to the embedded steel plate 343, and the rotation direction of the driving-end guide wheel 342 is parallel to the embedded steel plate 343, so as to support the driving-end traction wheel 341 and the driving-end guide wheel 342.
Further, referring to fig. 3 and 4, the wire rope driving assembly 33 includes a frame 331 and a speed reducer 332, wherein the frame 331 is fixedly connected to the sedimentation basin 6, rotatably connected to the wire rope traction cylinder 31, and rotatably connected to the wire rope guide cylinder 32; the speed reducer 332 is fixedly connected with the frame 331, is rotatably connected with the wire rope guide cylinder 32, and is located on one side of the frame 331 close to the wire rope guide cylinder 32.
In this embodiment, the rack 331 is installed at the top of the sedimentation basin 6 in a threaded manner, a rotating shaft is installed inside the rack 331, and is used for rotatably installing the steel wire traction cylinder and the steel wire rope guide cylinder 32, and the speed reducer 332 drives the rotating shaft inside the rack 331 to rotate through chain transmission, so as to drive the steel wire rope guide cylinder 32 and the steel wire rope traction cylinder 31 to rotate.
Further, referring to fig. 4, the wire rope driving assembly 33 further includes a gear counter 333, and the gear counter 333 is fixedly connected to the frame 331, rotatably connected to the wire rope pulling barrel 31, and located at a side of the frame 331 close to the wire rope pulling barrel 31.
In this embodiment, the gear counter 333 is connected to one end of the rotating shaft inside the frame 331, which is far away from the speed reducer 332, through chain transmission, and the rotation of the wire rope traction cylinder 31 and the wire rope guide cylinder 32 drives the gear counter 333 to work, so as to accurately receive the positioning of the first trolley and the second trolley.
Further, referring to fig. 1, the dual-drive control device 3 further includes a rail 37, and the rail 37 is disposed on the sedimentation basin 6, and is slidably connected to the first traveling trolley 1 and the second traveling trolley 2.
In this embodiment, the rail 37 is installed at the bottom of the sedimentation basin 6 by a screw thread, and slidably supports the first traveling carriage 1 and the second traveling carriage 2, so that the first traveling carriage 1 and the second traveling carriage 2 move in the laying direction of the rail 37.
Further, referring to fig. 2 and fig. 3, the double-irrigation linked mud scraper 100 further includes a first scraper 4 and a second scraper 5, wherein the first scraper 4 is disposed on the first traveling trolley 1; the second scraper 5 is arranged on the second walking trolley 2.
In this embodiment, install in the outside of first walking dolly 1 first scraper blade 4, install in the outside of second walking dolly 2 second scraper blade 5, the scraper blade is scraping mud operating condition when the dolly is moving toward the sump pit, and the scraper blade is mentioned when the dolly is moving toward the opposite side to play effectual mud effect of scraping.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. A double-irrigation linkage type mud scraper is arranged on a sedimentation basin and is characterized by comprising a first travelling trolley, a second travelling trolley and a double-drive control device;
the first travelling trolley is connected with the sedimentation tank in a sliding manner and is positioned in the sedimentation tank, and the second travelling trolley is connected with the sedimentation tank in a sliding manner and is positioned on one side of the sedimentation tank close to the first travelling trolley;
the dual-drive control device comprises a steel wire rope traction cylinder, a steel wire rope guide cylinder, a steel wire rope driving component, a driving end guide component, a driven end guide component and a traction steel wire rope, wherein the steel wire rope traction cylinder is rotationally connected with the sedimentation tank, is connected with the first walking trolley through the traction steel wire rope and is arranged on the sedimentation tank, the steel wire rope guide cylinder is fixedly connected with the steel wire rope traction cylinder and is connected with the second walking trolley through the traction steel wire rope, the steel wire rope driving component is rotationally connected with the steel wire rope guide cylinder and is rotationally connected with the steel wire rope traction cylinder, the driving end guide component is connected with the steel wire rope traction cylinder through the traction steel wire rope and is connected with the first walking trolley through the traction steel wire rope, and the driven end guide component is connected with the steel wire rope guide cylinder through the traction steel wire rope, and is connected with the second walking trolley through the traction steel wire rope, and the traction steel wire rope is connected with the steel wire rope traction cylinder and the steel wire rope guide cylinder.
2. The twin-tank linkage mud scraper as defined in claim 1,
the driving end guide assembly comprises a driving end traction wheel and a driving end guide wheel, the driving end traction wheel is arranged on the sedimentation basin, is connected with the first travelling trolley through the traction steel wire rope, and is connected with the steel wire rope traction cylinder through the traction steel wire rope; the driving end guide wheel is arranged on the sedimentation tank and connected with the steel wire rope guide cylinder through the traction steel wire rope.
3. The twin-tank linkage mud scraper as defined in claim 2,
the driving end guide assembly further comprises an embedded steel plate, the embedded steel plate is fixedly connected with the sedimentation basin, is rotatably connected with the driving end traction wheel and is rotatably connected with the driving end guide wheel, and the embedded steel plate is located on one side, close to the driving end traction wheel, of the sedimentation basin.
4. The twin-tank linkage mud scraper as defined in claim 2,
the passive end guide assembly comprises a first passive end guide wheel, a second passive end guide wheel and a third passive end guide wheel, the first passive end guide wheel is rotatably connected with the sedimentation tank, is connected with the driving end traction wheel through the traction steel wire rope and is positioned on one side of the sedimentation tank far away from the driving end traction wheel; the second driven end guide wheel is rotatably connected with the sedimentation tank, is connected with the first driven end guide wheel through the traction steel wire rope, and is positioned on one side of the sedimentation tank close to the first driven end guide wheel; the third driven end guide wheel is rotatably connected with the sedimentation tank, is connected with the second driven end guide wheel through the traction steel wire rope, and is connected with the driving end guide wheel through the traction steel wire rope, and the third driven end guide wheel is positioned on one side, close to the driving end guide wheel, of the sedimentation tank.
5. The twin-tank linkage mud scraper as defined in claim 1,
the steel wire rope driving assembly comprises a rack and a speed reducer, the rack is fixedly connected with the sedimentation tank, is rotatably connected with the steel wire rope traction cylinder, and is rotatably connected with the steel wire rope guide cylinder; the speed reducer is fixedly connected with the rack, is rotatably connected with the steel wire rope guide cylinder and is positioned on one side, close to the steel wire rope guide cylinder, of the rack.
6. The twin-tank linkage mud scraper as defined in claim 5,
the steel wire rope driving assembly further comprises a gear counter, the gear counter is fixedly connected with the rack, is rotatably connected with the steel wire rope traction barrel and is located on one side, close to the steel wire rope traction barrel, of the rack.
7. The twin-tank linkage mud scraper as defined in claim 1,
the dual-drive control device further comprises a track, wherein the track is arranged on the sedimentation tank, is in sliding connection with the first walking trolley and is in sliding connection with the second walking trolley.
8. The twin-tank linkage mud scraper as defined in claim 1,
the double-irrigation linkage type mud scraper further comprises a first scraper and a second scraper, and the first scraper is arranged on the first travelling trolley; the second scraper is arranged on the second walking trolley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120922627.8U CN214763526U (en) | 2021-04-29 | 2021-04-29 | Double-irrigation linkage mud scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120922627.8U CN214763526U (en) | 2021-04-29 | 2021-04-29 | Double-irrigation linkage mud scraper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214763526U true CN214763526U (en) | 2021-11-19 |
Family
ID=78691355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120922627.8U Active CN214763526U (en) | 2021-04-29 | 2021-04-29 | Double-irrigation linkage mud scraper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214763526U (en) |
-
2021
- 2021-04-29 CN CN202120922627.8U patent/CN214763526U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101439771B1 (en) | Robot for cleaning sludge | |
| CN214763526U (en) | Double-irrigation linkage mud scraper | |
| CN101424592A (en) | Plough-loosing and flattening mechanism of wheel for testing earth groove | |
| CN106217117B (en) | A kind of workpiece on-line cleaning station of horizontal Machining centers flexible wires | |
| EP0607447B1 (en) | Sludge scraping apparatus | |
| US8720378B2 (en) | Manure scraper system and apparatus | |
| CN208661875U (en) | Secondary clarifier effluent weir side wall clears up vehicle | |
| KR200367382Y1 (en) | An underwater cart for sludge collector with absorbing cylinder | |
| CN113464158A (en) | Slag removing device for full-face hard rock heading machine | |
| CN102008840B (en) | Annular mud scraper | |
| CN203403509U (en) | Inspection well guide device | |
| KR100311912B1 (en) | A chain driving typical apparatus for removing the sludge in a settling tank | |
| CN114737667B (en) | Pipeline cleaning device for water supply and drainage | |
| KR100232721B1 (en) | Apparatus for removing sludge in settling tank | |
| CN214116768U (en) | River channel dredging device | |
| KR960003947Y1 (en) | Sediment material removing apparatus | |
| KR960007671Y1 (en) | Sensor apparatus of sludge removing system | |
| CN219632067U (en) | Guide rail type steel track machinery automatic cleaning device | |
| CN215565951U (en) | Slag removing device for full-face hard rock heading machine | |
| JP3491072B1 (en) | Sludge scraper | |
| CN201855596U (en) | Novel mud scraper | |
| KR200325920Y1 (en) | for remove to sludge in purification plant | |
| CN221155668U (en) | Water treatment grid filter equipment | |
| CN211642134U (en) | Engineering vehicle tire cleaning device | |
| CN212440182U (en) | Single-chain type submersible mud suction truck |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |