CN212553022U - Wall body grinding device for civil engineering convenient to use - Google Patents
Wall body grinding device for civil engineering convenient to use Download PDFInfo
- Publication number
- CN212553022U CN212553022U CN202020904353.5U CN202020904353U CN212553022U CN 212553022 U CN212553022 U CN 212553022U CN 202020904353 U CN202020904353 U CN 202020904353U CN 212553022 U CN212553022 U CN 212553022U
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- civil engineering
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- 238000000227 grinding Methods 0.000 title claims abstract description 43
- 239000000428 dust Substances 0.000 claims abstract description 110
- 238000005498 polishing Methods 0.000 claims abstract description 36
- 238000010521 absorption reaction Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 47
- 239000007921 spray Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 229910001651 emery Inorganic materials 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model relates to a civil engineering technical field just discloses a wall body grinding device for civil engineering convenient to use, comprising a base plate, the equal fixedly connected with universal wheel in four corners of bottom plate lower surface, the right side fixedly connected with mobile control pole of bottom plate upper surface, the left side of bottom plate upper surface is provided with the work box, it has the drawer to peg graft in the positive bottom of work box, the inside of drawer is provided with the filter layer, the middle part of work box inner bottom lateral wall is provided with the header tank. This wall body grinding device for civil engineering convenient to use drives the movable plate through step motor and goes up and down on linear guide for the movable plate drives the wheel of polishing and goes up and down, has realized having strengthened the stability of grinding device during operation to the regulation of wheel of polishing height, through the dust absorption fan dust absorption, has realized getting rid of the produced dust of in-process of polishing, has avoided the dust too much, influences that the staff's is healthy.
Description
Technical Field
The utility model relates to a civil engineering technical field specifically is a wall body grinding device for civil engineering convenient to use.
Background
Civil engineering is a general name of science and technology for building various engineering facilities, and refers to applied materials, equipment, technical activities such as surveying, designing, constructing, maintaining and repairing and the like, and also refers to an object of engineering construction, namely a wall body polishing device, namely a tool for replacing traditional workers to polish wall surfaces and objects by using abrasive paper, so as to achieve the purposes of leveling, dust-free, protecting physical and mental health of the workers, optimizing working environment, improving working efficiency and facilitating later decoration; however, the polishing device in the prior art is inconvenient to adjust the height of the polishing wheel, the polishing device is easy to slide or shake during polishing, the wall body can be damaged, and a large amount of dust can be generated during polishing, so that the health of workers is affected.
For example, chinese patent application nos.: CN209319432U provides an easy-to-operate wall grinding device for civil engineering, which is basically described as follows: the utility model discloses a through the telescopic sleeve, the fixed orifices, the design of telescopic link and fixing bolt, the telescopic link can slide from top to bottom along the telescopic sleeve inner wall, fix fixing bolt inside the fixed orifices again, thereby can adjust wall body grinding device's operating height, through the design that increases shock attenuation sleeve, a spring, spliced pole and slipmat, in the polishing process, the slipmat can increase the frictional force between grinding device and the wall, can not only pinpoint the polishing position, can also effectively prevent to take place the phenomenon of slip, spliced pole extrusion spring also has the bradyseism effect simultaneously, also can effectively weaken the shake of grinding device, through the design that increases dust absorption pipe, dust catcher and dust collection box, the dust that the dust catcher work produced in the polishing process can be inhaled to the dust collection box inside through the dust absorption pipe, thereby can effectively avoid the dust to hurt human health; however, the utility model discloses a handheld grinding device of personnel of polishing polishes to the wall body, and when grinding device's position was too high, grinding personnel hardly kept grinding device's stability, and it is comparatively troublesome to use.
Therefore, the inventor provides a wall polishing device for civil engineering, which is convenient to use, with the experience of design development and actual manufacturing abundant in the related industry for many years, and researches and improves the existing structure and defects, so as to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a wall body grinding device for civil engineering convenient to use has solved grinding device under the prior art and has not been convenient for highly adjusting the wheel of polishing, and the phenomenon of slip or shake takes place easily at the in-process grinding device of polishing, may cause the damage to the wall body, and the in-process of polishing can produce a large amount of dusts, influences the healthy problem of staff.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a wall polishing device for civil engineering convenient to use comprises a bottom plate, universal wheels are fixedly connected with four corners of the lower surface of the bottom plate, a moving control rod is fixedly connected with the right side of the upper surface of the bottom plate, a working box is arranged on the left side of the upper surface of the bottom plate, a drawer is inserted into the front bottom of the working box, a filter layer is arranged inside the drawer, a water collecting tank is arranged in the middle of the inner bottom side wall of the working box, a water storage tank is arranged at the bottom of the inner right side wall of the working box, a dust fall spray head is communicated with the left side of the outer surface of the water storage tank, a water tank is arranged on the right side of the upper surface of the bottom plate, a water pump is arranged in the middle of the upper surface of the bottom plate, the input end of the water pump is communicated with the bottom of the outer surface of the water tank through, the rear side of the upper surface of the working box is provided with a stepping motor, the output end of the stepping motor penetrates through the upper surface of the working box and is fixedly connected with the top end of a screw rod in the linear guide rail, the outer surface of a slide rod in the linear guide rail is connected with a movable plate in a sliding manner, the middle part of the front side wall in the working box is provided with a first slide rail, the upper surface and the lower surface of the first slide rail are fixedly connected with an anti-collision plate, the left side of the upper surface of the movable plate is fixedly connected with a supporting seat, the inside of the supporting seat is rotatably connected with a rotating shaft, the right side of the upper surface of the movable plate is provided with a sliding plate, the upper surface of the sliding plate is provided with a driving motor, the output end of the driving motor is fixedly connected with the right end of, the left end fixedly connected with of pivot grinds the wheel, both sides all are provided with the second slide rail around the work box left surface, the left surface sliding connection of second slide rail has the sliding block, the middle part fixedly connected with dead lever of sliding block left surface, the left end fixedly connected with dust cover of dead lever, the left surface of dust cover is pegged graft and is had the buffer beam, the right-hand member fixedly connected with limiting plate of buffer beam, the middle part fixedly connected with buffer spring of limiting plate right flank, the left end fixedly connected with blotter of buffer beam, both sides all are provided with the dust absorption fan around the movable plate upper surface, the input of dust absorption fan passes through the right-hand member intercommunication of dust absorption pipe with the suction hood, the output of dust absorption fan passes through the top intercommunication of dust exhaust pipe with the suction hood.
Preferably, the outer surface of the mobile control rod is provided with a wrapping layer, and the outer surface of the wrapping layer is provided with anti-skid grains.
Preferably, the filter layer consists of a plurality of groups of filter screens, and the pore diameters of the filter screens are sequentially reduced from top to bottom.
Preferably, the middle part of the upper surface of the moving plate is provided with a T-shaped sliding chute, and the middle parts of the supporting seat and the lower surface of the sliding plate are fixedly connected with a T-shaped sliding block.
Preferably, the inside of anticollision board is provided with the buffer layer, and the front of anticollision board and the inside preceding lateral wall fixed connection of work box.
Preferably, the number of dust fall shower nozzle is six groups, and six groups of dust fall shower nozzles are all horizontally arranged on the left side of the surface of the water storage tank.
(III) advantageous effects
Compared with the prior art, the utility model provides a wall body grinding device for civil engineering convenient to use possesses following beneficial effect:
1. this wall body grinding device for civil engineering convenient to use drives the movable plate through step motor and goes up and down on linear guide for the movable plate drives the wheel of polishing and goes up and down, has realized having strengthened the stability of grinding device during operation to the regulation of wheel of polishing height, through the dust absorption fan dust absorption, has realized getting rid of the produced dust of in-process of polishing, has avoided the dust too much, influences that the staff's is healthy.
2. This wall body grinding device for civil engineering convenient to use has realized the dust fall to the inside dust of work box through dust fall shower nozzle water spray for the dust fall speed of dust has improved the dust removal speed to the dust, has improved work efficiency, has improved grinding device's practicality.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the working box of the present invention;
fig. 3 is an enlarged schematic view of the structure at a position a of the present invention.
In the figure: 1. a base plate; 2. a universal wheel; 3. moving the control lever; 4. a work box; 5. a drawer; 6. a filter layer; 7. a water collection tank; 8. a water storage tank; 9. a dust fall sprayer; 10. a water tank; 11. a water pump; 12. a linear guide rail; 13. a stepping motor; 14. moving the plate; 15. a first slide rail; 16. an anti-collision plate; 17. a supporting seat; 18. a rotating shaft; 19. a sliding plate; 20. a drive motor; 21. a push rod motor; 22. grinding the wheel; 23. a second slide rail; 24. a slider; 25. fixing the rod; 26. a dust cover; 27. a buffer rod; 28. a limiting plate; 29. a buffer spring; 30. a cushion pad; 31. a dust collection fan; 32. a dust hood; 33. a dust exhaust cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a wall polishing device for civil engineering convenient to use comprises a bottom plate 1, universal wheels 2 are fixedly connected with four corners of the lower surface of the bottom plate 1, a moving control rod 3 is fixedly connected with the right side of the upper surface of the bottom plate 1, a working box 4 is arranged on the left side of the upper surface of the bottom plate 1, a drawer 5 is inserted into the front bottom of the working box 4, a filter layer 6 is arranged inside the drawer 5, a water collecting box 7 is arranged in the middle of the inner bottom side wall of the working box 4, a water storage tank 8 is arranged at the bottom of the right side wall inside the working box 4, a dust settling nozzle 9 is communicated with the left side of the outer surface of the water storage tank 8, dust settling of dust inside the working box 4 is realized by spraying water through the dust settling nozzle 9, dust settling speed is accelerated, dust removing speed is improved, working efficiency is improved, practicability of the polishing device is improved, a water tank 10 is arranged on the, the model of the water pump 11 is 150QJ20-48/8, the input end of the water pump 11 is communicated with the bottom of the outer surface of the water tank 10 through a water suction pipe, the output end of the water pump 11 is communicated with the right side of the outer surface of the water storage tank 8 through a water guide pipe, a linear guide rail 12 is arranged at the top of the rear side wall in the work box 4, a stepping motor 13 is arranged at the rear side of the upper surface of the work box 4, the model of the stepping motor 13 is 60BYG350DL-0451, a moving plate 14 is driven by the stepping motor 13 to lift on the linear guide rail 12, so that the moving plate 14 drives a polishing wheel 22 to lift, the height of the polishing wheel 22 is adjusted, the stability of the polishing device during work is enhanced, the output end of the stepping motor 13 penetrates through the upper surface of the work box 4 and is fixedly connected with the top end of a screw rod in the linear guide rail 12, the outer surface of, an anti-collision plate 16 is fixedly connected to the upper surface and the lower surface of the first slide rail 15, a support seat 17 is fixedly connected to the left side of the upper surface of the movable plate 14, a rotating shaft 18 is rotatably connected to the inside of the support seat 17, a sliding plate 19 is arranged on the right side of the upper surface of the movable plate 14, a driving motor 20 is arranged on the upper surface of the sliding plate 19, the model of the driving motor 20 is Y112M-2, the output end of the driving motor 20 is fixedly connected to the right end of the rotating shaft 18, a push rod motor 21 is arranged on the right side of the upper surface of the movable plate 14, the model of the push rod motor 21 is LAP25, the output end of the push rod motor 21 is fixedly connected to the middle of the right side of the sliding plate 19, a polishing wheel 22 is fixedly connected to the left end of the rotating shaft 18, second slide rails 23 are arranged on the front, the left end fixedly connected with dust cover 26 of dead lever 25, buffer rod 27 has been pegged graft to the left surface of dust cover 26, the right-hand member fixedly connected with limiting plate 28 of buffer rod 27, the middle part fixedly connected with buffer spring 29 of limiting plate 28 right flank, the left end fixedly connected with blotter 30 of buffer rod 27, both sides all are provided with dust absorption fan 31 around the movable plate 14 upper surface, dust absorption fan 31's model is HG-HF-150P, through the dust absorption fan 31 dust absorption, realized getting rid of the produced dust of the in-process of polishing, it is too much to have avoided the dust, influence staff's healthy, dust absorption fan 31's input passes through the right-hand member intercommunication of dust absorption pipe with dust absorption cover 32, dust absorption fan 31's output passes through the top intercommunication of dust exhaust pipe with dust exhaust hood.
The utility model discloses for convenient to use person controls grinding device's removal, is provided with the parcel layer consequently at the surface of mobile control pole 3, and the surface of parcel layer is provided with anti-skidding line, and the parcel layer has increased the frictional force between palm and the mobile control pole 3, has made things convenient for the user to control grinding device's removal.
The utility model discloses a realize the separation to dust and dust fall water, consequently filter layer 6 comprises the multiunit filter screen, and the aperture top-down of filter screen reduces in proper order, and the filter screen carries out filtration treatment to dust and dust fall water, has realized the separation to dust and dust fall water.
The utility model discloses a realize the regulation to 22 lateral positions of emery wheel, consequently offered T shape spout at the middle part of 14 upper surfaces of movable plate, the equal fixedly connected with T shape slider in middle part of supporting seat 17 and the 19 lower surfaces of sliding plate, when adjusting 22 lateral positions of emery wheel, T shape slider is at the inside slip of T shape spout.
The utility model discloses an extension grinding device's life is provided with the buffer layer in the inside of anticollision board 16 consequently, and anticollision board 16's front and inside front side wall fixed connection of work box 4, the buffer layer absorbs the produced impact force of movable plate 14 removal, has reduced the damage degree that the impact force caused to grinding device, has prolonged grinding device's life.
The utility model discloses a realize the quick dust fall to the inside dust of work case 4, therefore the quantity of dust fall shower nozzle 9 is six groups, and six groups of dust fall shower nozzle 9 average level set up in the left side of 8 surfaces of water storage tank, and multiunit dust fall shower nozzle 9 has increased the area of spraying for to the dust fall speed of dust, realized the quick dust fall to the inside dust of work case 4.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
When the water storage tank is used, the polishing device is pushed to move by the moving control rod 3, after the water storage tank is moved to a corresponding position, the push rod motor 21 is controlled to be started, the output end of the push rod motor 21 extends to push the sliding plate 19 and the supporting seat 17 to slide leftwards, the sliding plate 19 and the supporting seat 17 drive the rotating shaft 18 and the driving motor 20 to move leftwards, the rotating shaft 18 drives the polishing wheel 22 to move leftwards, so that the polishing wheel 22 is driven to move leftwards, the polishing wheel 22 is in contact with a wall body, the driving motor 20 is controlled to be started, the output end of the driving motor 20 rotates to drive the rotating shaft 18 to rotate, the rotating shaft 18 drives the polishing wheel 22 to rotate, the wall body is polished by the polishing wheel 22, the dust collection fan 31 is controlled to be started during polishing, dust generated during polishing enters the inside the work box 4 through the dust collection cover 32, the dust collection pipe, the dust collection, it is inside to enter into dust fall shower nozzle 9 again by water storage tank 8, dust fall shower nozzle 9 spouts water, the dust fall to the inside dust of work box 4 has been realized, dust after the dust fall drops on filter layer 6, the filter screen of filter layer 6 inside carries out filtration treatment to the dust, the separation to dust and dust fall water has been realized, the outlet that the middle part of dust fall water passage drawer 5 lower surface was seted up enters into inside water collection tank 7, when needs are adjusted the height of grinding wheel 22, control step motor 13 starts, step motor 13's the rotatory movable plate 14 that drives of output goes up and down on linear guide 12, movable plate 14 drives grinding wheel 22 through pivot 18 and goes up and down, the regulation to grinding wheel 22 height has been realized.
In conclusion, this wall body grinding device for civil engineering convenient to use drives movable plate 14 through step motor 13 and goes up and down on linear guide 12 for movable plate 14 drives grinding wheel 22 and goes up and down, has realized the regulation to grinding wheel 22 height, has strengthened the stability of grinding device during operation, through the dust absorption fan 31 dust absorption, has realized getting rid of the produced dust of the in-process of polishing, has avoided the dust too much, influences the healthy of staff.
This wall body grinding device for civil engineering convenient to use has realized the dust fall to the inside dust of work box 4 through dust fall shower nozzle 9 water spray for the dust fall speed of dust has improved the dust removal speed to the dust, has improved work efficiency, has improved grinding device's practicality.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a wall body grinding device for civil engineering convenient to use, includes bottom plate (1), its characterized in that: the dust-settling water-saving dust-settling water tank is characterized in that universal wheels (2) are fixedly connected to four corners of the lower surface of the bottom plate (1), a mobile control rod (3) is fixedly connected to the right side of the upper surface of the bottom plate (1), a work box (4) is arranged on the left side of the upper surface of the bottom plate (1), a drawer (5) is inserted into the front bottom of the work box (4), a filter layer (6) is arranged inside the drawer (5), a water collecting tank (7) is arranged in the middle of the inner bottom wall of the work box (4), a water storage tank (8) is arranged at the bottom of the inner right side wall of the work box (4), a dust-settling spray head (9) is communicated with the left side of the outer surface of the water storage tank (8), a water tank (10) is arranged on the right side of the upper surface of the bottom plate (1), a water pump (11), the output end of the water pump (11) is communicated with the right side of the outer surface of the water storage tank (8) through a water guide pipe, the top of the inner rear side wall of the working box (4) is provided with a linear guide rail (12), the rear side of the upper surface of the working box (4) is provided with a stepping motor (13), the output end of the stepping motor (13) penetrates through the upper surface of the working box (4) and is fixedly connected with the top end of an inner screw rod of the linear guide rail (12), the outer surface of an inner sliding rod of the linear guide rail (12) is slidably connected with a movable plate (14), the middle part of the inner front side wall of the working box (4) is provided with a first sliding rail (15), the upper surface and the lower surface of the first sliding rail (15) are fixedly connected with an anti-collision plate (16), the left side of the upper surface of the movable plate (14) is fixedly, a sliding plate (19) is arranged on the right side of the upper surface of the moving plate (14), a driving motor (20) is arranged on the upper surface of the sliding plate (19), the output end of the driving motor (20) is fixedly connected with the right end of the rotating shaft (18), a push rod motor (21) is arranged on the right side of the upper surface of the moving plate (14), the output end of the push rod motor (21) is fixedly connected with the middle of the right side surface of the sliding plate (19), a polishing wheel (22) is fixedly connected with the left end of the rotating shaft (18), second sliding rails (23) are arranged on the front side and the rear side of the left side surface of the working box (4), a sliding block (24) is slidably connected with the left side surface of each second sliding rail (23), a fixing rod (25) is fixedly connected with the middle of the left side surface of each sliding block (24), a dust cover (26) is fixedly connected with the, the utility model discloses a dust collection device, including limiting plate (28), middle part fixedly connected with buffer spring (29) of limiting plate (28) right flank, the left end fixedly connected with blotter (30) of buffer bar (27), both sides all are provided with dust absorption fan (31) around movable plate (14) upper surface, the right-hand member intercommunication of dust absorption pipe and suction hood (32) is passed through to the input of dust absorption fan (31), the top intercommunication of dust exhaust pipe and dust exhaust hood (33) is passed through to the output of dust absorption fan (31).
2. A wall grinding device for civil engineering use convenient in accordance with claim 1, characterized in that: the outer surface of the mobile control rod (3) is provided with a wrapping layer, and the outer surface of the wrapping layer is provided with anti-skid grains.
3. A wall grinding device for civil engineering use convenient in accordance with claim 1, characterized in that: the filter layer (6) is composed of a plurality of groups of filter screens, and the aperture of each filter screen is reduced from top to bottom in sequence.
4. A wall grinding device for civil engineering use convenient in accordance with claim 1, characterized in that: the middle part of the upper surface of the moving plate (14) is provided with a T-shaped sliding chute, and the middle parts of the supporting seat (17) and the lower surface of the sliding plate (19) are fixedly connected with a T-shaped sliding block.
5. A wall grinding device for civil engineering use convenient in accordance with claim 1, characterized in that: a buffer layer is arranged inside the anti-collision plate (16), and the front surface of the anti-collision plate (16) is fixedly connected with the inner front side wall of the working box (4).
6. A wall grinding device for civil engineering use convenient in accordance with claim 1, characterized in that: the quantity of dust fall shower nozzle (9) is six groups, and six groups of dust fall shower nozzle (9) are equal level and are set up in the left side of water storage tank (8) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020904353.5U CN212553022U (en) | 2020-05-26 | 2020-05-26 | Wall body grinding device for civil engineering convenient to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020904353.5U CN212553022U (en) | 2020-05-26 | 2020-05-26 | Wall body grinding device for civil engineering convenient to use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212553022U true CN212553022U (en) | 2021-02-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020904353.5U Expired - Fee Related CN212553022U (en) | 2020-05-26 | 2020-05-26 | Wall body grinding device for civil engineering convenient to use |
Country Status (1)
| Country | Link |
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| CN (1) | CN212553022U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113559645A (en) * | 2021-09-23 | 2021-10-29 | 江苏奥威信息系统工程有限公司 | Intelligent building construction dust device |
| CN114734349A (en) * | 2022-04-26 | 2022-07-12 | 辛帅 | Efficient energy-saving pump surface polishing device and polishing method |
-
2020
- 2020-05-26 CN CN202020904353.5U patent/CN212553022U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113559645A (en) * | 2021-09-23 | 2021-10-29 | 江苏奥威信息系统工程有限公司 | Intelligent building construction dust device |
| CN113559645B (en) * | 2021-09-23 | 2021-12-31 | 江苏奥威信息系统工程有限公司 | Intelligent building construction dust device |
| CN114734349A (en) * | 2022-04-26 | 2022-07-12 | 辛帅 | Efficient energy-saving pump surface polishing device and polishing method |
| CN114734349B (en) * | 2022-04-26 | 2023-06-13 | 沈阳格瑞德泵业有限公司 | Efficient energy-saving pump surface polishing device and polishing method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210219 |