CN115106879B - Heat supply pipeline polishing equipment for heat supply pipe network - Google Patents
Heat supply pipeline polishing equipment for heat supply pipe network Download PDFInfo
- Publication number
- CN115106879B CN115106879B CN202210795329.6A CN202210795329A CN115106879B CN 115106879 B CN115106879 B CN 115106879B CN 202210795329 A CN202210795329 A CN 202210795329A CN 115106879 B CN115106879 B CN 115106879B
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- Prior art keywords
- plate
- polishing
- heat supply
- supporting
- horizontal connecting
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- 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.)
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- 238000005498 polishing Methods 0.000 title claims abstract description 94
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention relates to the technical field of central heating, in particular to a heat supply pipeline polishing device for a heat supply pipe network, which comprises a supporting bottom plate, supporting columns arranged on the supporting bottom plate and supporting frames arranged on the supporting columns, wherein the height of each supporting frame is adjustable, the upper end parts of the supporting frames are provided with mounting seats which extend horizontally towards the rear side, the inside of each mounting seat is provided with a mounting plate which can horizontally stretch forwards and backwards, and the tail end parts of the mounting plates are provided with polishing devices. According to the invention, the heat supply pipeline is propped against from one horizontal side in a semi-wrapping contact mode, and the compensation polishing plate with the same radius size as the polishing plate is arranged, so that the semicircular polishing plate can polish the outer surface of the heat supply pipeline without rotating 180 degrees.
Description
Technical Field
The invention relates to the technical field of central heating, in particular to a polishing device for a heating pipeline for a heating pipe network.
Background
The city central heating network is a pipeline system for conveying and distributing heat supply medium from central heat supply source to users. The heat supply pipeline is an important component of the heat supply pipe network, and the situation that a plurality of heat supply pipelines are welded together side by side often exists in the heat supply pipe network, so that gaps among the plurality of heat supply pipelines are narrow, and welding points of the heat supply pipelines at the gaps are polished very difficultly.
The application number 202122377213.4 is a heat supply pipeline rust removing device, which comprises a frame, a travelling mechanism, a rotating motor and a polishing head; the travelling mechanism is arranged on the upper end surface of the frame and can linearly reciprocate on the frame; the walking mechanism is provided with a first upright post, the rotating motor is fixed on one side of the first upright post, the output shaft of the rotating motor is inserted through the first upright post and can rotate freely, the free end of the output shaft of the rotating motor is provided with a chuck for fixing one end of a heat supply pipeline, one end of the frame far away from the first upright post is provided with a second upright post, the second upright post is arranged in parallel with the first upright post, the upper end of the second upright post is provided with an arc through groove, and the arc through groove is used for supporting the other end of the heat supply pipeline; the support column is arranged on the frame, close to one side of the first upright column, of the second upright column, the polishing head is arranged at the upper end of the support column, and a polishing through groove matched with the heat supply pipeline is formed in the upper end face of the polishing head.
The application number 202010917192.8 'a ventilating duct processing system of a coal electric heating system', the system comprises a base, a fixing device and a polishing device, wherein the fixing device and the polishing device are arranged on the upper surface of the base, and the fixing device and the polishing device are arranged in a crisscross manner. When the system polishes the welded part of the welded ventilating duct in the coal electric heating system, the position of the welded ventilating duct is adjusted through the fixing device according to the length and the formed angle of the welded ventilating duct, so that the application range of the polishing device is enlarged.
But the pipeline that above-mentioned two patent during operation was polished is not polished under the welding state, and on the one hand can't polish to the unable heat supply pipeline that removes after the welding, and on the other hand also can't polish the heat supply pipeline that is in narrow space department, and current mode of polishing mostly adopts the manual work mode, wastes time and energy to it is low to polish efficiency, the quality of polishing is poor.
Disclosure of Invention
In order to solve the technical problems, the invention provides a heat supply pipeline polishing device for a heat supply pipe network.
The technical problems to be solved by the invention are realized by adopting the following technical scheme:
the utility model provides a heat supply pipeline equipment of polishing for heat supply pipe network, includes braced bottom plate, sets up the support column on braced bottom plate, sets up the support frame on the support column, and the height-adjustable of support frame is provided with the mount pad that extends to rear side level on the upper end of support frame, and the inside of mount pad is provided with the flexible mounting panel of level around can, is provided with grinding device on the terminal part of mounting panel.
Preferably, the frame bottom of the support frame is vertically arranged in the support column, a friction plate is arranged on the outer side wall of the frame bottom of the support frame, a friction plate is arranged in the support column, the friction plate is connected with a connecting rod extending out of the support column, and a pressing block is arranged on the tail end portion of the connecting rod.
Preferably, the front side of the upper end of the support frame is provided with a telescopic transmission screw rod which horizontally extends to the inside of the mounting seat backwards, the mounting plate is connected with the telescopic transmission screw rod, and the front end part of the telescopic transmission screw rod, which extends out, is provided with a rotating block.
Preferably, the polishing device comprises a guide frame plate arranged on the tail end part of the mounting plate, a polishing plate slidably arranged on the inner plate wall of the guide frame plate, and two groups of driving components arranged on the left side wall and the right side wall of the mounting plate, wherein the two groups of driving components are connected with the polishing plate.
Preferably, the two groups of driving assemblies comprise a horizontal connecting rod penetrating through the guide frame plate and connected with the polishing plate, a horizontal connecting sleeve horizontally sleeved on the horizontal connecting rod, a guide rod arranged on the right side plate wall of the mounting plate, a driving motor, and a driving rotating rod connected with the driving motor, wherein the driving rotating rod is in sliding connection with the horizontal connecting sleeve, and the horizontal connecting sleeve is vertically and slidably connected on the guide rod.
Preferably, the guide frame plate is in a U-shaped structure, the U-shaped opening of the guide frame plate faces to the rear side, and the central axis of the guide frame plate is distributed along the left-right direction.
Preferably, semicircular inner guide grooves are formed in semicircular inner side frame plate walls of the guide frame plates, and inner grooves are formed in upper and lower horizontally extending frame plate walls of the guide frame plates.
Preferably, the polishing plate is of a semicircular structure, the polishing plate is slidably arranged on the semicircular inner guide groove, the compensation polishing plates are correspondingly rotatably arranged on the two end plate parts of the polishing plate, and the compensation polishing plates are arranged in the inner groove.
Preferably, the compensation polishing plate is of an arc-shaped structure, the corresponding circle center angle of the compensation polishing plate is 15 degrees, and the radius size of the compensation polishing plate is consistent with that of the polishing plate.
Preferably, two vertical through grooves are formed in the left and right side plate walls of the guide frame plate, two horizontal connecting rods in the two groups of driving assemblies correspondingly penetrate through the two through grooves, one ends of the two horizontal connecting rods are connected with the polishing plate, and the other ends of the two horizontal connecting rods correspondingly are in sliding fit with two horizontal connecting sleeves in the two groups of driving assemblies.
The beneficial effects of the invention are as follows:
according to the invention, the heat supply pipeline is propped against from one horizontal side in a semi-wrapping contact mode, and the compensation polishing plate with the same radius size as the polishing plate is arranged, so that the semicircular polishing plate can polish the outer surface of the heat supply pipeline without rotating 180 degrees.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the whole structure of the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at A;
FIG. 4 is an enlarged schematic view of the structure at B in FIG. 2;
FIG. 5 is a schematic view showing the internal structure of the support column according to the present invention;
FIG. 6 is a schematic view of the structure of the mounting base, mounting plate and polishing device of the present invention;
FIG. 7 is a schematic top view of the present invention;
FIG. 8 is a schematic view of the cross-sectional C-C structure of FIG. 7;
fig. 9 is a schematic view of the structure of a guide frame plate in the present invention.
In the figure: 1. a support base plate; 2. a support column; 3. a support frame; 4. a mounting base; 5. a mounting plate; 6. a friction plate; 7. a friction plate; 8. a connecting rod; 9. pressing the blocks; 10. a telescopic transmission screw rod; 11. a rotating block; 12. a guide frame plate; 13. polishing the plate; 14. a horizontal link; 15. a horizontal connecting sleeve; 16. a guide rod; 17. a driving motor; 18. driving the rotating rod; 19. a semicircular inner guide groove; 20. a built-in groove; 21. compensating and polishing the sheet; 22. and (5) through grooves.
Detailed Description
In order that the manner in which the invention is attained, as well as the features and advantages thereof, will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings.
As shown in fig. 1 to 9, a heat supply pipeline polishing device for a heat supply pipe network comprises a supporting base plate 1, a supporting column 2 arranged on the supporting base plate 1, and a supporting frame 3 arranged on the supporting column 2, wherein the height of the supporting frame 3 is adjustable, an installation seat 4 horizontally extending towards the rear side is arranged on the upper end part of the supporting frame 3, an installation plate 5 horizontally telescopic from front to back is arranged in the installation seat 4, polishing devices are arranged on the tail end part of the installation plate 5, and two groups of fixing devices are arranged on the side walls of the two horizontal sides of the installation seat 4. The bottom of the supporting bottom plate 1 is provided with a supporting structure, and can be provided with supporting leg columns or movable casters according to actual use conditions, in this embodiment, the bottom of the supporting bottom plate 1 is provided with four supporting leg columns.
The bottom of the support column 2 is welded and fixed on the upper plate surface of the support bottom plate 1, the support column 2 is of a hollow structure, the bottom of the support frame 3 is vertically arranged in the support column 2, further, a friction plate 6 which is vertically distributed is arranged on the outer wall of the front side of the bottom of the support frame 3, a friction plate 7 which is vertically distributed is arranged on the inner front side wall of the support column 2, the friction plate 7 and the friction plate 6 are relatively distributed, and the size of the friction plate 6 is larger than that of the friction plate 7; the support column 2 is provided with a connecting rod 8 penetrating through the support wall of the support column 2, the connecting rod 8 is horizontally distributed front and back, the rear end part of the connecting rod 8 extending into the support column 2 is connected with the friction plate 7, the front end part of the connecting rod 8 outside the support column 2 is provided with a pressing block 9, and a groove convenient for an operator to apply force is formed in the side surface of the pressing block 9. When the friction plate 7 moves towards the rear side, the friction plate 7 and the friction plate 6 are mutually abutted, and the friction force between the friction plate 6 and the friction plate 7 is utilized to apply acting force to the support frame 3 so as to limit and fix the position of the support frame 3; when the friction plate 7 moves in the front side direction, the friction plate 7 is separated from the abutting friction plate 6, so that the supporting frame 3 can vertically lift to adjust the height.
The mount pad 4 welds the upper end rear side at support frame 3, mount pad 4 is hollow form structure, mounting panel 5 is in along fore-and-aft direction slidable mounting inside mount pad 4, further, the upper end front side of support frame 3 is provided with the flexible transmission lead screw 10 that extends to the mount pad 4 inside backward level, mounting panel 5 is connected with flexible transmission lead screw 10, is provided with rotatory piece 11 on the front end that flexible transmission lead screw 10 stretches out. The telescopic transmission screw rod 10 is driven to rotate by the rotary block 11, so that the mounting plate 5 is guided downwards by the hollow slideway in the mounting seat 4 to horizontally move in the front-back direction, and further, the position of the polishing device in the front-back direction is adjusted.
As a further improvement of the present invention, the polishing device comprises a guide frame plate 12 provided on the distal end portion of the mounting plate 5, a polishing plate 13 provided in the guide frame plate 12, and two sets of driving assemblies provided on the left and right side walls of the distal end portion of the mounting plate 5.
The guide frame plate 12 is in a U-shaped structure, the central axis of the guide frame plate 12 is distributed along the left-right direction, and the U-shaped opening of the guide frame plate 12 faces to the rear side, so that the guide frame plate 12 can conveniently contact the heat supply pipeline from the front side direction of the heat supply pipeline. The semicircular inner side frame plate wall of the guide frame plate 12 is provided with a semicircular inner guide groove 19, the semicircular inner guide groove 19 is provided with a polishing plate 13 in a semicircular structure in a sliding mode, the inner plate surface of the polishing plate 13 is a polishing surface, and the radius size of the polishing plate 13 is matched with the maximum outer diameter size of a heat supply pipeline. Two vertically distributed through grooves 22 are correspondingly formed in the left and right side plate walls of the guide frame plate 12, and two groups of driving components are connected with the polishing plate 13 through the two through grooves 22.
As a further improvement of the invention, the two groups of driving components comprise a horizontal connecting rod 14 horizontally penetrating through the through groove 22 and the rear end part of the horizontal connecting rod is hinged with the opposite outer side plate surface of the polishing plate 13, a horizontal connecting sleeve 15 slidably mounted on the horizontal connecting rod 14, a guide rod 16 vertically and fixedly mounted on the side wall of the mounting plate 5, a driving motor 17 fixedly mounted on the side wall of the mounting plate 5, and a driving rotating rod 18 connected with the output shaft of the driving motor 17, wherein the guide rod 16 is provided with a vertically distributed slideway, the horizontal connecting sleeve 15 is correspondingly slidably mounted in the slideway on the guide rod 16, the opposite inner side sleeve wall of the horizontal connecting sleeve 15 is provided with a guide slideway, and the tail end part of the driving rotating rod 18 is correspondingly slidably mounted in the guide slideway on the horizontal connecting sleeve 15. The driving motor 17 drives the driving rotating rod 18 to rotate and drives the horizontal connecting sleeve 15 to reciprocate up and down in the vertical direction of the guide rod 16, so that the horizontal connecting rod 14 drives the polishing plate 13 to reciprocate clockwise and anticlockwise in the guide frame plate 12 to perform polishing work.
Further, two built-in grooves 20 are formed in the upper and lower side frame plate walls of the guide frame plate 12, the two built-in grooves 20 are vertically symmetrically distributed, two compensation polishing plates 21 are correspondingly rotatably mounted on the upper and lower end plate portions of the polishing plate 13, the two compensation polishing plates 21 are of arc structures, specifically, the circle center angles corresponding to the two compensation polishing plates 21 are 15 degrees, the radius size of the two compensation polishing plates 21 is consistent with that of the polishing plate 13, and when the two compensation polishing plates 21 are not used, the two compensation polishing plates 21 rotate to the inner side of the built-in grooves 20 relatively, so that the polishing plates 13 are not interfered to move backwards to contact with a heat supply pipeline. In use, the two compensating polishing plates 21 rotate relatively inward to engage the surface of the heating conduit and rotate in a clockwise or counterclockwise direction in synchronism with the polishing plate 13 to polish the surface of the heating conduit.
Through the setting of compensation polishing piece 21 for semicircle type polishing plate 13 need not to rotate 180 just can realize 360 comprehensive polishing to the heating pipeline surface, and then has reduced the structural complexity of order about semicircle type polishing plate 13 pivoted drive assembly, thereby makes can satisfy polishing to the heating pipeline in the narrow space.
The working principle and the using flow of the invention are as follows:
the device is arranged at the front side of a heat supply pipeline to be polished, the levelness of a supporting bottom plate 1 is adjusted, a friction plate 7 is pulled outwards through a pressing block 9, the friction plate 7 is separated from a friction plate 6, the horizontal height of a supporting frame 3 is adjusted, a telescopic transmission screw rod 10 is driven to rotate through a rotary block 11, a mounting plate 5 horizontally extends out of a mounting seat 4, a polishing plate 13 moves to the rear side until contacting and abutting against the outer surface of the heat supply pipeline, then two compensation polishing plates 21 on the upper end and the lower end of the polishing plate 13 extend out of corresponding built-in grooves 20 and contact and fit with the surface of the heat supply pipeline, then two driving motors 17 on the left side wall and the right side wall of the mounting plate 5 are synchronously started, two driving rotary rods 18 are synchronously driven to synchronously and co-rotate, a horizontal connecting sleeve 15 is driven to vertically reciprocate downwards in the vertical direction of a guide rod 16, and the polishing plate 13 and the compensation polishing plates 21 are driven to reciprocate clockwise in a guide frame plate 12 through a horizontal connecting rod 14, so that polishing work is carried out on the outer surface of the heat supply pipeline.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. To heating pipeline equipment of polishing for heating network, its characterized in that: the polishing device comprises a supporting bottom plate (1), a supporting column (2) arranged on the supporting bottom plate (1), and a supporting frame (3) arranged on the supporting column (2), wherein the height of the supporting frame (3) is adjustable, an installation seat (4) horizontally extending towards the rear side is arranged at the upper end part of the supporting frame (3), an installation plate (5) horizontally stretching back and forth is arranged in the installation seat (4), and a polishing device is arranged at the tail end part of the installation plate (5);
the polishing device comprises a guide frame plate (12) arranged on the tail end part of the mounting plate (5), a polishing plate (13) slidably arranged on the inner plate wall of the guide frame plate (12), and two groups of driving components arranged on the left side wall and the right side wall of the mounting plate (5), wherein the two groups of driving components are connected with the polishing plate (13);
the two groups of driving components comprise a horizontal connecting rod (14) penetrating through the guide frame plate (12) and connected with the polishing plate (13), a horizontal connecting sleeve (15) horizontally sleeved on the horizontal connecting rod (14), a guide rod (16) arranged on the right side plate wall of the mounting plate (5), a driving motor (17), a driving rotating rod (18) connected with the driving motor (17), the driving rotating rod (18) is in sliding connection with the horizontal connecting sleeve (15), and the horizontal connecting sleeve (15) is vertically and slidably connected on the guide rod (16);
the guide frame plate (12) is of a U-shaped structure, the U-shaped opening of the guide frame plate (12) faces to the rear side, and the central axis of the guide frame plate (12) is distributed along the left-right direction;
a semicircular inner guide groove (19) is formed in the semicircular inner side frame plate wall of the guide frame plate (12), and an inner groove (20) is formed in the upper and lower horizontally extending frame plate walls of the guide frame plate (12);
the polishing plate (13) is of a semicircular structure, the polishing plate (13) is slidably arranged on the semicircular inner guide groove (19), two end plate parts of the polishing plate (13) are correspondingly rotatably provided with compensation polishing plates (21), and the compensation polishing plates (21) are arranged in the inner groove (20);
the compensation polishing sheet (21) is of an arc structure, the corresponding circle center angle of the compensation polishing sheet (21) is 15 degrees, and the radius size of the compensation polishing sheet (21) is consistent with the radius size of the polishing sheet (13);
two vertical through grooves (22) are formed in the left side plate wall and the right side plate wall of the guide frame plate (12), two horizontal connecting rods (14) in the two groups of driving assemblies correspondingly penetrate through the two through grooves (22) and are connected with the polishing plate (13) at one end, and the other end of the horizontal connecting rods is correspondingly in sliding fit with two horizontal connecting sleeves (15) in the two groups of driving assemblies.
2. A heat supply pipe polishing apparatus for a heat supply pipe network as claimed in claim 1, wherein: the support frame is characterized in that the bottom of the support frame (3) is vertically arranged in the support column (2), a friction plate (6) is arranged on the outer side wall of the bottom of the support frame (3), a friction plate (7) is arranged in the support column (2), the friction plate (7) is connected with a connecting rod (8) extending out of the support column (2), and a pressing block (9) is arranged on the tail end portion of the connecting rod (8).
3. A heat supply pipe polishing apparatus for a heat supply pipe network as claimed in claim 1, wherein: the front side of the upper end of the supporting frame (3) is provided with a telescopic transmission screw rod (10) which horizontally extends backwards to the inside of the mounting seat (4), the mounting plate (5) is connected with the telescopic transmission screw rod (10), and the front end part of the telescopic transmission screw rod (10) extending out is provided with a rotating block (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210795329.6A CN115106879B (en) | 2022-07-07 | 2022-07-07 | Heat supply pipeline polishing equipment for heat supply pipe network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210795329.6A CN115106879B (en) | 2022-07-07 | 2022-07-07 | Heat supply pipeline polishing equipment for heat supply pipe network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115106879A CN115106879A (en) | 2022-09-27 |
| CN115106879B true CN115106879B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210795329.6A Active CN115106879B (en) | 2022-07-07 | 2022-07-07 | Heat supply pipeline polishing equipment for heat supply pipe network |
Country Status (1)
| Country | Link |
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| CN (1) | CN115106879B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115744207A (en) * | 2022-10-19 | 2023-03-07 | 安徽省祥森热力有限公司 | Natural gas connecting pipe changes outfit system |
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| CN216327267U (en) * | 2021-11-12 | 2022-04-19 | 瓦房店瑞鑫轴承制造有限公司 | Positioning fixture for bearing roller |
| CN216503874U (en) * | 2021-12-06 | 2022-05-13 | 安徽泫氏铸造有限责任公司 | Nodular cast-iron pipe revolution mechanic that polishes |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN212977668U (en) * | 2020-08-06 | 2021-04-16 | 谢峰 | Pipe machining and polishing equipment |
| CN112276753A (en) * | 2020-10-29 | 2021-01-29 | 盐城嘉诚塑胶有限公司 | Surface treatment device for formed polyethylene pipe |
| CN112643499A (en) * | 2020-12-24 | 2021-04-13 | 刘杰 | Steel pipe burnishing and polishing equipment for building materials |
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| CN216327267U (en) * | 2021-11-12 | 2022-04-19 | 瓦房店瑞鑫轴承制造有限公司 | Positioning fixture for bearing roller |
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| Publication number | Publication date |
|---|---|
| CN115106879A (en) | 2022-09-27 |
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