CN116315948A - Bending correction tool for ground wire crimping - Google Patents
Bending correction tool for ground wire crimping Download PDFInfo
- Publication number
- CN116315948A CN116315948A CN202310383838.2A CN202310383838A CN116315948A CN 116315948 A CN116315948 A CN 116315948A CN 202310383838 A CN202310383838 A CN 202310383838A CN 116315948 A CN116315948 A CN 116315948A
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- Prior art keywords
- ground wire
- wire
- correction
- crimping
- workbench
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- 238000002788 crimping Methods 0.000 title claims abstract description 38
- 238000005452 bending Methods 0.000 title abstract description 18
- 230000005540 biological transmission Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/02—Straightening
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/048—Crimping apparatus or processes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Wire Processing (AREA)
Abstract
The invention relates to the technical field of ground wire correction equipment, in particular to a bending correction tool for ground wire crimping, which comprises a workbench, wherein a pair of guide wheels are respectively arranged at the top of the workbench near two ends of the workbench, correction components are arranged at the top of the workbench, fixing frames are arranged at the two ends of the correction components, two ends of a ground wire needing to be corrected penetrate through the space between the pair of guide wheels, the middle part of the ground wire penetrates through the correction components to be corrected, the correction components comprise a lower plate and an upper plate, side baffles are symmetrically arranged at the top of the lower plate, and air cylinders are arranged at the back surfaces of the side baffles. In this a crooked frock of correcting for leading ground wire crimping, can correct the crooked end of leading ground wire through the correction subassembly that sets up wherein, make its crooked can resume, make its end be the horizontal state of straightening, ensure the operation of electric wire netting safety and stability. Can lead through the leading wheel, guarantee the device and lead the earth connection relative movement, guarantee to lead the earth connection spacing through adjusting part, correct it.
Description
Technical Field
The invention relates to the technical field of ground wire correction equipment, in particular to a bending correction tool for ground wire crimping.
Background
The overhead transmission line leads, the ground wire adopts the strain clamp and splicing sleeve equal-pressure connection fitting to connect, its connection mode is the crimping generally. In the operation process of the overhead transmission line, the compression joint type strain clamp is required to bear the conductive function of the wire and bear the whole tension of the wire, the compression joint pipe is easy to bend integrally after being stretched due to deformation after compression joint in the process of connecting and compression joint of the wire, and particularly the connecting pipe is easy to bend after the wire passes through a wire pulley suspended on an iron tower suspension insulator string in the process of wire expanding. The quality of overhead conductor crimping is very important, and it is very important to guarantee the reliable operation of circuit, ensures safe power supply, once the process is out of control or crimping deviation appears, hardly discovers the problem through visual inspection.
The patent with the publication number of CN218524137U discloses an intelligent ground wire crimping curvature detection tool, which is mainly applied to the technical field of electric power design and comprises a nixie tube display screen, a displacement sensor, a strain clamp crimping section, a stay wire displacement sensor, a regular hexagon inner frame, a connecting rod and a regular hexagon outer frame, wherein the regular hexagon outer frame is equally divided into an upper isosceles trapezoid component and a lower isosceles trapezoid component, a regular hexagon buckle is arranged on the inner sides of the upper isosceles trapezoid component and the lower isosceles trapezoid component, and the regular hexagon buckle is attached to the strain clamp crimping section. The intelligent ground wire crimping curvature detection tool is light in weight, high in structural strength, convenient to carry and use, high in adaptability and high in automation degree, and can be used for rapidly acquiring the strain clamp and crimping pipe bending degree of a 35kV-500kV power transmission line, so that the operation time is shortened, the operation efficiency is improved, the crimping quality of the clamp is ensured, the operation level of power grid equipment is improved, and the safe and stable operation of a power grid is ensured.
Although the technical scheme can rapidly acquire the bending degree of the strain clamp and the crimping pipe of the 35kV-500kV power transmission line, shortens the operation time, improves the operation efficiency, ensures the crimping quality of the wire clamp, improves the operation level of power grid equipment and ensures the safe and stable operation of the power grid, but the tool for correcting the bending of the overhead conductor after the crimping after the detection can not lead to the operation fault of the line and influences the use of the line.
Disclosure of Invention
The invention aims to provide a bending correction tool for crimping of a conductive wire, which aims to solve the problems that the operation fault of a circuit is caused and the use of the circuit is affected because the tool for correcting the bending of an overhead wire after crimping cannot be carried out after detection is proposed in the background art.
In order to achieve the above purpose, the invention provides a bending correction tool for crimping of a ground wire, which comprises a workbench, wherein a pair of guide wheels are respectively arranged at the top of the workbench near two ends of the workbench, correction components are arranged at the top of the workbench, fixing frames are arranged at the two ends of the correction components, two ends of the ground wire needing to be corrected penetrate through the pair of guide wheels, the middle part of the ground wire penetrates through the correction components to be corrected, the correction components comprise a lower plate and an upper plate, side baffles are symmetrically arranged at the top of the lower plate, an air cylinder is arranged at the back of each side baffle, an output shaft of the air cylinder is connected with each side baffle, and an adjusting component is arranged in the middle of the upper plate.
As a preferable technical scheme of the invention, a lower limiting block is arranged in the middle of the top of the lower plate, and the top of the lower limiting block is of a concave structure.
As a preferable technical scheme of the invention, a chute is arranged on the top surface of the lower plate, and the bottom of the side baffle is horizontally and slidably connected with the chute.
As a preferable technical scheme of the invention, the adjusting component comprises a threaded rod, a threaded hole is formed in the surface of the upper plate, the threaded rod is in threaded connection with the threaded hole, and a pressing plate is connected to the bottom end of the threaded rod.
As a preferable technical scheme of the invention, the two ends of the pressing plate are provided with the limiting rods, the upper parts of the side baffle plates are provided with the limiting grooves, the limiting rods can vertically slide along the limiting grooves, and the depth of the limiting grooves in the horizontal direction is larger than the length of the limiting rods.
As a preferable technical scheme of the invention, the bottom end of the threaded rod is rotatably connected with the pressing plate through a bearing, and the top end of the threaded rod is provided with a handle.
As a preferable technical scheme of the invention, the guide wheel comprises a fixed seat, the top of the fixed seat is provided with a rotating wheel, the bottom of the rotating wheel is provided with a rotating shaft, a motor is arranged in the fixed seat, an output shaft of the motor can drive the rotating shaft to rotate, and an annular groove is formed in the outer side of the lower part of the rotating wheel.
Compared with the prior art, the invention has the beneficial effects that:
1. in this a crooked frock of correcting for leading ground wire crimping, can correct the crooked end of leading ground wire through the correction subassembly that sets up wherein, make its crooked can resume, make its end be the horizontal state of straightening, ensure the operation of electric wire netting safety and stability.
2. This a crooked frock of correcting for leading ground wire crimping can lead through the leading wheel, guarantees the device and lead ground wire relative movement, guarantees to lead the ground wire spacing through adjusting part, corrects it, and can carry out nimble regulation according to the thickness condition of leading the ground wire.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a corrective component of the present invention;
FIG. 3 is a schematic view of the structure of the adjusting assembly of the present invention;
fig. 4 is a schematic structural view of a guide wheel in the present invention.
The meaning of each reference sign in the figure is:
1. a work table; 2. a guide wheel; 21. a fixing seat; 22. a rotating wheel; 221. a rotating shaft; 222. an annular groove; 23. a motor; 3. a corrective component; 31. a lower plate; 311. a chute; 312. a lower limiting block; 32. an upper plate; 33. a cylinder; 34. side baffles; 341. a limit groove; 35. an adjustment assembly; 351. a threaded rod; 352. a pressing plate; 353. a limit rod; 354. a handle; 4. and a fixing frame.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The invention provides a bending correction tool for crimping of a ground wire, which comprises a workbench 1, wherein a pair of guide wheels 2 are respectively arranged at the top of the workbench 1 near two ends and used for guiding the ground wire, a correction component 3 is arranged at the top of the workbench 1 and used for correcting the bent ground wire, a fixing frame 4 is arranged at two ends of the correction component 3 and used for fixing two ends of the correction component 3, two ends of the ground wire needing to be corrected penetrate through the pair of guide wheels 2, the middle part of the ground wire penetrates through the correction component 3 and is corrected, the correction component 3 comprises a lower plate 31 and an upper plate 32, side baffles 34 are symmetrically arranged at the top of the lower plate 31, air cylinders 33 are arranged at the back surfaces of the side baffles 34, an output shaft of the air cylinders 33 is connected with the side baffles 34, an adjusting component 35 is arranged at the middle part of the upper plate 32 and used for limiting the ground wire, and the thickness of the ground wire can be adjusted according to the thickness of the ground wire.
Example 2
The invention provides a bending correction tool for crimping of a ground wire, which comprises a workbench 1, wherein a pair of guide wheels 2 are respectively arranged at the top of the workbench 1 near two ends and used for guiding the ground wire, a correction component 3 is arranged at the top of the workbench 1 and used for correcting the bent ground wire, a fixing frame 4 is arranged at two ends of the correction component 3 and used for fixing two ends of the correction component 3, two ends of the ground wire needing to be corrected penetrate through the pair of guide wheels 2, the middle part of the ground wire penetrates through the correction component 3 and is corrected, the correction component 3 comprises a lower plate 31 and an upper plate 32, side baffles 34 are symmetrically arranged at the top of the lower plate 31, air cylinders 33 are arranged at the back surfaces of the side baffles 34, an output shaft of the air cylinders 33 is connected with the side baffles 34, an adjusting component 35 is arranged at the middle part of the upper plate 32 and used for limiting the ground wire, a lower limit block 312 is arranged in the middle of the top of the lower plate 31 and is convenient to be attached to the bottom surface of the ground wire due to a concave surface structure.
Example 3
The invention provides a bending correction tool for crimping of a ground wire, which comprises a workbench 1, wherein a pair of guide wheels 2 are respectively arranged at the top of the workbench 1 near two ends and used for guiding the ground wire, a correction component 3 is arranged at the top of the workbench 1 and used for correcting the bent ground wire, fixing frames 4 are arranged at two ends of the correction component 3 and used for fixing two ends of the correction component 3, two ends of the ground wire needing to be corrected penetrate through the pair of guide wheels 2, the middle part of the ground wire penetrates through the correction component 3 and is corrected, the correction component 3 comprises a lower plate 31 and an upper plate 32, side baffles 34 are symmetrically arranged at the top of the lower plate 31, air cylinders 33 are arranged at the back surfaces of the side baffles 34, an output shaft of each air cylinder 33 is connected with the side baffles 34, an adjusting component 35 is arranged at the middle part of the upper plate 32 and used for limiting the ground wire, a chute 311 is arranged on the top surface of the lower plate 31, the bottom of the side baffles 34 are horizontally and slidably connected with the chute 311, and therefore the two sides of the ground wire can be limited.
Example 4
The invention provides a bending correction tool for crimping of a ground wire, which comprises a workbench 1, wherein a pair of guide wheels 2 are respectively arranged at the top of the workbench 1 near two ends and used for guiding the ground wire, a correction component 3 is arranged at the top of the workbench 1 and used for correcting the bent ground wire, a fixing frame 4 is arranged at two ends of the correction component 3 and used for fixing two ends of the correction component 3, two ends of the ground wire needing to be corrected penetrate through the pair of guide wheels 2, the middle part of the ground wire penetrates through the correction component 3 and is corrected, the correction component 3 comprises a lower plate 31 and an upper plate 32, side baffles 34 are symmetrically arranged at the top of the lower plate 31, air cylinders 33 are arranged at the back surfaces of the side baffles 34, an output shaft of each air cylinder 33 is connected with the side baffles 34, an adjusting component 35 is arranged at the middle part of the upper plate 32 and used for limiting the ground wire, the adjusting component 35 comprises a threaded rod 351, the threaded rod 351 is arranged on the surface of the upper plate 32 and is in threaded connection with the threaded rod 351, and the bottom end of the threaded rod 351 is connected with a pressing plate 352 for limiting the ground wire.
Example 5
The invention provides a bending correction tool for crimping of a ground wire, which comprises a workbench 1, wherein a pair of guide wheels 2 are respectively arranged at the top of the workbench 1 near two ends and used for guiding the ground wire, a correction component 3 is arranged at the top of the workbench 1 and used for correcting the bent ground wire, a fixing frame 4 is arranged at two ends of the correction component 3 and used for fixing two ends of the correction component 3, two ends of the ground wire needing to be corrected penetrate through the pair of guide wheels 2, the middle part of the ground wire penetrates through the correction component 3 and is corrected, the correction component 3 comprises a lower plate 31 and an upper plate 32, side baffles 34 are symmetrically arranged at the top of the lower plate 31, an air cylinder 33 is arranged at the back surface of the side baffles 34, an output shaft of the air cylinder 33 is connected with the side baffles 34, an adjusting component 35 is arranged at the middle part of the upper plate 32 and used for limiting the ground wire, a limiting rod 353 is arranged at two ends of the pressing plate 352 and used for adjusting the ground wire according to the thickness of the ground wire, a limiting groove 341 is formed in the upper part of the side baffles 34, the limiting rod 353 can vertically slide along the limiting groove 341, the depth of the limiting groove 341 is larger than the length of the limiting rod 353 in the horizontal direction and does not stop the side baffles 34.
Example 6
The invention provides a bending correction tool for crimping of a ground wire, which comprises a workbench 1, wherein a pair of guide wheels 2 are respectively arranged at the top of the workbench 1 near two ends and used for guiding the ground wire, a correction component 3 is arranged at the top of the workbench 1 and used for correcting the bent ground wire, a fixing frame 4 is arranged at two ends of the correction component 3 and used for fixing two ends of the correction component 3, two ends of the ground wire needing to be corrected penetrate through the pair of guide wheels 2, the middle part of the ground wire penetrates through the correction component 3 and is corrected, the correction component 3 comprises a lower plate 31 and an upper plate 32, side baffles 34 are symmetrically arranged at the top of the lower plate 31, an air cylinder 33 is arranged at the back of the side baffles 34, an output shaft of the air cylinder 33 is connected with the side baffles 34, an adjusting component 35 is arranged at the middle part of the upper plate 32 and used for limiting the ground wire, the ground wire can be adjusted according to the thickness of the ground wire, the bottom end of a threaded rod 351 is rotatably connected with a pressing plate 352, a handle 354 is arranged at the top of the threaded rod 351, and the pressing plate 352 is driven to lift by rotating the handle 354, so that the limit of the ground wire is realized.
Example 7
The invention provides a bending correction tool for crimping of a ground wire, which comprises a workbench 1, wherein a pair of guide wheels 2 are respectively arranged at the top of the workbench 1 near two ends and used for guiding the ground wire, a correction component 3 is arranged at the top of the workbench 1 and used for correcting the bent ground wire, a fixing frame 4 is arranged at two ends of the correction component 3 and used for fixing two ends of the correction component 3, two ends of the ground wire needing to be corrected penetrate through the pair of guide wheels 2, the middle part of the ground wire penetrates through the correction component 3 and is corrected, the correction component 3 comprises a lower plate 31 and an upper plate 32, a side baffle 34 is symmetrically arranged at the top of the lower plate 31, an air cylinder 33 is arranged at the back surface of the side baffle 34, an output shaft of the air cylinder 33 is connected with the side baffle 34, an adjusting component 35 is arranged at the middle part of the upper plate 32 and used for limiting the ground wire, the guide wheels 2 comprise fixing seats 21, a rotating wheel 22 is arranged at the top of the fixing seats 21, a rotating shaft 221 is arranged at the bottom of the rotating wheels 22, a motor 23 is arranged in the fixing seat 21, an output shaft 221 can drive the motor 23 to rotate, and the rotating shaft 221 is driven by the motor 23 to rotate horizontally and further drive the rotating shaft 22 to move through the rotating shaft 221.
When the bending correction tool for the ground wire crimping is used, the device is assembled, the device is fixed on the crimping end of the ground wire, the motor 23 works to drive the rotating shaft 221 to rotate, and then the rotating wheel 22 is driven to rotate, so that the ground wire is horizontally moved, the ground wire is limited by the side baffle 34, the lower limiting block 312 and the adjusting component 35 when the ground wire horizontally moves, and correction is realized when the ground wire moves, the bottom of the side baffle 34 is horizontally and slidably connected with the sliding groove 311, so that the side baffle 34 can horizontally slide, and the two sides of the ground wire are limited.
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 above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A crooked frock of correcting for leading ground wire crimping, includes workstation (1), its characterized in that: a pair of guide wheels (2) are respectively installed at the top of workstation (1) near both ends, correct subassembly (3) are installed at the top of workstation (1), mount (4) are installed at the both ends of correcting subassembly (3), wear out between a pair of guide wheels (2) at the earth lead both ends that need correct, and the middle part passes and corrects subassembly (3), correct subassembly (3) including hypoplastron (31) and upper plate (32), the top symmetry of hypoplastron (31) is provided with side shield (34), the back-mounted of side shield (34) has cylinder (33), the output shaft and the side shield (34) of cylinder (33) are connected, the mid-mounting of upper plate (32) has adjusting part (35).
2. The bend correction tooling for wire-to-wire crimping of claim 1, wherein: a lower limiting block (312) is arranged in the middle of the top of the lower plate (31), and the top of the lower limiting block (312) is of a concave structure.
3. The bend correction tooling for wire-to-wire crimping of claim 1, wherein: the top surface of the lower plate (31) is provided with a chute (311), and the bottom of the side baffle (34) is horizontally and slidably connected with the chute (311).
4. The bend correction tooling for wire-to-wire crimping of claim 1, wherein: the adjusting component (35) comprises a threaded rod (351), a threaded hole is formed in the surface of the upper plate (32), the threaded rod (351) is in threaded connection with the threaded hole, and a pressing plate (352) is connected to the bottom end of the threaded rod (351).
5. The bend correction tooling for wire-to-wire crimping of claim 4, wherein: limiting rods (353) are arranged at two ends of the pressing plate (352), limiting grooves (341) are formed in the upper portions of the side baffles (34), the limiting rods (353) can vertically slide along the limiting grooves (341), and the depth of the limiting grooves (341) in the horizontal direction is larger than the length of the limiting rods (353).
6. The bend correction tooling for wire-to-wire crimping of claim 4, wherein: the bottom of threaded rod (351) is connected with clamp plate (352) through the bearing rotation, handle (354) are installed on the top of threaded rod (351).
7. The bend correction tooling for wire-to-wire crimping of claim 1, wherein: the guide wheel (2) comprises a fixed seat (21), a rotating wheel (22) is arranged at the top of the fixed seat (21), a rotating shaft (221) is arranged at the bottom of the rotating wheel (22), a motor (23) is arranged in the fixed seat (21), an output shaft of the motor (23) can drive the rotating shaft (221) to rotate, and an annular groove (222) is formed in the outer side of the lower portion of the rotating wheel (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310383838.2A CN116315948A (en) | 2023-04-12 | 2023-04-12 | Bending correction tool for ground wire crimping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310383838.2A CN116315948A (en) | 2023-04-12 | 2023-04-12 | Bending correction tool for ground wire crimping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116315948A true CN116315948A (en) | 2023-06-23 |
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ID=86813302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310383838.2A Pending CN116315948A (en) | 2023-04-12 | 2023-04-12 | Bending correction tool for ground wire crimping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116315948A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117299894A (en) * | 2023-12-01 | 2023-12-29 | 四川西蜀电力金具集团有限公司 | Pipe bending and forming device |
-
2023
- 2023-04-12 CN CN202310383838.2A patent/CN116315948A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117299894A (en) * | 2023-12-01 | 2023-12-29 | 四川西蜀电力金具集团有限公司 | Pipe bending and forming device |
| CN117299894B (en) * | 2023-12-01 | 2024-02-06 | 四川西蜀电力金具集团有限公司 | Pipe bending and forming device |
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