CN113977667B - Be used for electric power construction electric power pipe cutting device - Google Patents
Be used for electric power construction electric power pipe cutting device Download PDFInfo
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- CN113977667B CN113977667B CN202111247126.5A CN202111247126A CN113977667B CN 113977667 B CN113977667 B CN 113977667B CN 202111247126 A CN202111247126 A CN 202111247126A CN 113977667 B CN113977667 B CN 113977667B
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- 238000005520 cutting process Methods 0.000 title claims abstract description 55
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000003860 storage Methods 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 abstract description 3
- 230000004630 mental health Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/16—Cutting rods or tubes transversely
- B26D3/163—Cutting tubes from the inside
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
- B26D5/083—Rack-and-pinion means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
- B26D5/086—Electric, magnetic, piezoelectric, electro-magnetic means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D7/02—Means for holding or positioning work with clamping means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D2007/013—Means for holding or positioning work the work being tubes, rods or logs
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a cutting device for an electric power pipe for electric power construction, which comprises a workbench, wherein a groove is formed in the workbench, a clamping mechanism is arranged in the groove, a vertical plate is arranged on one side of the groove and the workbench, and a cutting mechanism is arranged on one side of the vertical plate close to the groove. According to the invention, the power tube is fixed through the clamping mechanism, annular cutting is carried out inside the power tube by using the cutting mechanism, the cross section of the cut power tube is flat, secondary processing is not required, the working efficiency is improved, no dust is generated in the cutting process, and the physical and mental health of workers is facilitated.
Description
Technical Field
The invention belongs to the technical field of pipeline cutting, and particularly relates to a cutting device for a power pipe in power construction.
Background
The power tube is a product which is made by hot dip molding PE (modified polyethylene) or coating epoxy resin inside and outside, and has excellent corrosion resistance. Meanwhile, the coating has good electrical insulation performance, and does not generate electric corrosion, and the coating has the characteristics of low water absorption rate, high mechanical strength and small friction coefficient, so that the purpose of long-term use can be achieved, the damage to plant root systems and the stress of soil environment can be effectively prevented, and the like.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a cutting device for an electric power pipe for electric power construction.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a be used for electric power construction electric power pipe cutting device, includes the workstation, seted up the recess on the workstation, recess internally mounted has clamping mechanism, clamping mechanism includes fly leaf, fourth gear, fifth gear, movable rod, guide bar, fourth motor, the fly leaf is installed in the recess, the fourth gear rotates with the vertical direction of fifth gear and installs on the fly leaf, meshing connection between fourth gear and the fifth gear, the guide bar sets up in fourth gear, fifth gear both sides and installs on the fly leaf, the fourth motor is installed on the fly leaf of keeping away from guide bar one side, and the output shaft of fourth motor passes the fly leaf and is connected with the fifth gear, first helicla flute, second helicla flute have been seted up to equal symmetry on fourth gear and the fifth gear, the movable column is installed with the inside symmetry of second helicla flute, the movable column can follow first helicla flute and the motion of second helicla flute, the movable rod is installed at the movable column and is kept away from the one end of fourth gear, fifth gear, the guide block is installed near the one end of guide bar, the guide block matched with the guide slot has been seted up in the pole setting, the pole setting in the pole setting, two movable clamping jaws are installed on the same one side.
The vertical plate is installed on one side of the groove and the workbench, a cutting mechanism is installed on one side, close to the groove, of the vertical plate, the cutting mechanism comprises a supporting rod, a box body, a second gear, a second motor, a third gear and a cutting tool, the supporting rod is installed on the vertical plate, the bottom of the box body is rotatably installed on the supporting rod, the second gear is fixedly installed at the end portion of the supporting rod and located on the outer side of the box body, the second motor is installed on the side wall inside the box body, the third gear is meshed with the second gear and connected with the output shaft of the second motor and installed on the output shaft of the second motor, a supporting plate is installed at the top of the inner side of the box body, a telescopic rod is installed on the supporting plate, the cutting tool is installed at the end portion of the movable end of the telescopic rod, a storage battery is further installed inside the box body and electrically connected with the second motor, a displacement mechanism is installed on one side of the cutting mechanism and comprises a first motor, a cylindrical rack, the cylindrical rack is slidably installed on the vertical plate, the first motor is installed on the workbench, a through groove matched with the cylindrical rack is further installed on the vertical plate.
Preferably, the screw rods are rotatably arranged at two ends inside the groove, the movable plate is installed on the screw rods in a threaded mode, the third motor is installed at the end of the workbench, and the end of an output shaft of the third motor is connected with the screw rods.
Preferably, the clamping jaw is semicircular.
Preferably, the guide block is trapezoidal.
Preferably, the vertical rod is installed on the movable rod through a bolt.
Preferably, a placing groove is formed in one side, close to the groove, of the vertical plate.
Preferably, the clamping jaw and the vertical rod are of an integrated structure.
The invention has the beneficial effects that:
1) The electric power pipe is fixed through the clamping mechanism, annular cutting is carried out in the electric power pipe by the cutting mechanism, the cross section of the cut electric power pipe is flat, secondary processing is not needed, the working efficiency is improved, dust cannot be generated in the cutting process, and physical and mental health of workers is facilitated.
2) The first gear is driven to rotate through the work of the first motor, the first gear is meshed with the cylindrical rack to drive the cutting mechanism to move, so that the cutting mechanism can cut electric tubes with different lengths, and different size requirements are met.
3) After the electric power pipe is cut once, the screw rod is driven to rotate through the work of the third motor, the screw rod drives the movable plate to adjust the position on the screw rod, the next cutting is facilitated, the electric power pipe does not need to be clamped again after the adjustment position is taken down, and the working efficiency is improved.
4) The annular clamping jaw of semicircle can increase with the area of contact of electric power pipe, has improved the tight effect of clamp, trapezoidal guide block has increased with the area of contact of guide bar, stability when having improved the movable rod motion.
5) The pole setting passes through the bolt and installs on the movable rod, is convenient for change different pole settings according to not unidimensional electric power pipe, satisfies different demands to enlarged the application range of device, the standing groove is used for ann the tip of electric power pipe, is convenient for to the fixed of electric power pipe.
Drawings
FIG. 1 is a schematic structural diagram of a power pipe cutting device for power construction.
FIG. 2 is a schematic structural diagram of a displacement mechanism in the electric power pipe cutting device for electric power construction.
Fig. 3 is a schematic structural diagram of a cutting mechanism used in a power pipe cutting device for power construction according to the present invention.
Fig. 4 is a schematic structural view of a clamping device used in a power pipe cutting device for power construction according to the present invention.
FIG. 5 is a schematic structural diagram of a fourth gear and a fifth gear of the cutting device for electric power pipes in electric power construction according to the present invention.
In the figure: 1. a work table; 101. a groove; 2. a vertical plate; 201. a placement groove; 3. a displacement mechanism; 301. a first motor; 302. a first gear; 303. a cylindrical rack; 304. conducting bars; 4. a cutting mechanism; 401. a support bar; 402. a box body; 403. a second gear; 404. a second motor; 405. a third gear; 406. a storage battery; 407. a support plate; 408. a telescopic rod; 409. cutting a cutter; 5. a clamping mechanism; 501. a movable plate; 502. a lead screw; 503. a third motor; 504. a fourth gear; 505. a fifth gear; 506. a movable rod; 507. a guide rod; 508. erecting a rod; 509. a clamping jaw; 510. a fourth motor; 511. a guide block; 512. a movable post; 513. a first helical groove; 514. a second helical groove; 515. and (4) bolts.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to fig. 1 to 5, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
A cutting device for an electric power pipe for electric power construction comprises a workbench 1, wherein a groove 101 is formed in the workbench 1, a clamping mechanism 5 is installed inside the groove 101, the clamping mechanism 5 comprises a movable plate 501, a fourth gear 504, a fifth gear 505, a movable rod 506, a guide rod 507 and a fourth motor 510, the movable plate 501 is installed in the groove 101, the fourth gear 504 and the fifth gear 505 are installed on the movable plate 501 in a vertical direction in a rotating manner, the fourth gear 504 is connected with the fifth gear 505 in a meshing manner, the guide rod 507 is arranged on two sides of the fourth gear 504 and the fifth gear 505 and installed on the movable plate 501, the fourth motor 510 is installed on the movable plate 501 far away from one side of the guide rod 507, an output shaft of the fourth motor 510 penetrates through the movable plate 501 and is connected with the fifth gear 505, a first spiral groove 513 and a second spiral groove 514 are symmetrically formed on the fourth gear 504 and the fifth gear 505, the movable column 512 is symmetrically arranged in the first spiral groove 513 and the second spiral groove 514, the movable column 512 can move along the first spiral groove 513 and the second spiral groove 514, the movable rod 506 is arranged at one end of the movable column 512 far away from the fourth gear 504 and the fifth gear 505, one end of the movable rod 506 close to the guide rod 507 is provided with the guide block 511, the guide block 511 is trapezoidal, so that the contact area with the guide rod 507 is increased, the stability of the movable rod 506 during movement is improved, the guide rod 507 is provided with a guide groove matched with the guide block 511, the guide block 511 is arranged in the guide groove, the vertical rods 508 are arranged on two movable rods 506 at the same side, the vertical rods 508 are arranged on the movable rods 506 through bolts 515, different vertical rods 508 can be conveniently replaced according to electric power pipes with different sizes, and different requirements can be met, thereby the application range of the device has been enlarged, clamping jaw 509 is installed at the top of pole setting 508, clamping jaw 509 is half circular, can increase with the area of contact of electric power pipe, has improved the tight effect of clamp, fixes electric power pipe through clamping jaw 509, clamping jaw 509 and pole setting 508 formula structure as an organic whole, and processing and manufacturing be convenient for, when fixing electric power pipe through clamping mechanism 5, place electric power pipe between two clamping jaws 509 earlier, drive fifth gear 505 anticlockwise synchronous rotation through fourth motor 510 work, fifth gear 505 drives fourth gear 504 anticlockwise synchronous rotation, and movable post 512 on the movable rod 506 moves along first helicla flute 513 and second helicla flute 514 to drive movable rod 506 and guide block 511 along guide bar 507 motion, thereby realize the clamp of electric power pipe, need not through artifical manual clamping, improved during operation security, the inside both ends of recess 101 rotate and install lead screw 502, the thread is installed on lead screw 502, third motor 503 is installed to workstation 1 tip, third motor output shaft tip is connected with lead screw 502, when electric power pipe accomplishes cutting once, through the third motor 503, the adjustment after the work of the lead screw 502, the adjustment is convenient for once again the lead screw 502, the lead screw 502 is adjusted the efficiency is carried out on the adjustment, the electric power pipe 502, the adjustment is carried out on the adjustment again, the lead screw 502, the adjustment.
A vertical plate 2 is arranged on one side of the groove 101 and the workbench 1, a cutting mechanism 4 is arranged on one side of the vertical plate 2 close to the groove 101, the cutting mechanism 4 comprises a supporting rod 401, a box body 402, a second gear 403, a second motor 404, a third gear 405 and a cutting tool 409, the supporting rod 401 is arranged on the vertical plate 2, the bottom of the box body 402 is rotatably arranged on the supporting rod 401, the second gear 403 is fixedly arranged at the end part of the supporting rod 401, the second gear 403 is positioned at the outer side of the box body 402, the second motor 404 is arranged on the inner side wall of the box body 402, the third gear 405 is meshed with the second gear 403 and is arranged on an output shaft of the second motor 404, a supporting plate 407 is arranged at the top of the inner side of the box body 402, an expansion link 408 is arranged on the supporting plate 407, the cutting tool 409 is arranged at the movable end part of the expansion link 408, a storage battery 406 is further arranged in the box body 402, the storage battery 406 is electrically connected with the second motor 404, the storage battery 406 is used for providing electric energy for the second motor 404, the situation that a circuit is wound when the second motor 404 works is prevented, the storage battery 406 and the second motor 404 keep a relative position stable, when the electric power pipe is cut, the second motor 404 works to drive the third gear 405 to rotate, as the second gear 403 is fixed and not moved, when the third gear 405 is meshed with the second gear 403, the second gear 403 makes a circular motion along the third gear 405, the box body 402 rotates along with the support rod 401, meanwhile, the telescopic rod 408 drives the cutting tool 409 to extend, the electric power pipe is cut, no dust is generated in the cutting process, the cross section of the cut electric power pipe is flat, secondary processing is not needed, the working efficiency is improved, one side of the vertical plate 2 close to the groove 101 is provided with the placing groove 201, the placing groove 201 is used for installing the end part of the power tube, so that the power tube is convenient to fix.
Displacement mechanism 3 is installed to one side of cutting mechanism 4, displacement mechanism 3 includes first motor 301, first gear 302, cylindrical rack 303 slidable mounting is on riser 2, first motor 301 installs on workstation 1, first gear 302 installs on first motor 301 output shaft and meshes with cylindrical rack 303, still install conducting bar 304 on the cylindrical rack 303, set up on riser 2 with conducting bar 304 matched with logical groove, improved the stability of cylindrical rack 303 motion, drive first gear 302 through first motor 301 work and rotate, first gear 302 meshes with cylindrical rack 303, and cylindrical rack 303 drives cutting mechanism 4 motion to realize cutting mechanism 4 and cut the electric power pipe of different length, satisfy not unidimensional requirement.
The foregoing is merely illustrative and explanatory of the present invention and various modifications, additions or substitutions may be made to the specific embodiments described by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (9)
1. A cutting device for an electric power pipe for electric power construction comprises a workbench and is characterized in that a groove is formed in the workbench, a clamping mechanism is installed inside the groove, a vertical plate is installed on one side of the groove and the workbench, and a cutting mechanism is installed on one side, close to the groove, of the vertical plate;
clamping mechanism includes fly leaf, fourth gear, fifth gear, movable rod, guide bar, fourth motor, the fly leaf is installed in the recess, the fourth gear rotates with the vertical direction of fifth gear and installs on the fly leaf, meshing connection between fourth gear and the fifth gear, the guide bar sets up in fourth gear, fifth gear both sides and installs on the fly leaf, the fourth motor is installed on the fly leaf of keeping away from guide bar one side, and the output shaft of fourth motor passes the fly leaf and is connected with the fifth gear, first helicla flute, second helicla flute have been seted up to equal symmetry on fourth gear and the fifth gear, the movable post is installed with the inside symmetry of second helicla flute to first helicla flute, the movable post can be followed first helicla flute and second helicla flute motion, the movable rod is installed and is kept away from the one end of fourth gear, fifth gear at the movable post, the guide block is installed to the one end that the movable rod is close to the guide bar, the guide bar has seted up the guide slot with guide block matched with, the guide block sets up in the guide slot, installs the pole setting clamping jaw on the same one side of two movable rods, the top of pole setting is installed the clamping jaw.
2. The electric power pipe cutting device for electric power construction as claimed in claim 1, wherein the cutting mechanism comprises a support rod, a box, a second gear, a second motor, a third gear and a cutting tool, the support rod is mounted on the vertical plate, the bottom of the box is rotatably mounted on the support rod, the second gear is fixedly mounted at an end of the support rod, the second gear is located outside the box, the second motor is mounted on a side wall inside the box, the third gear is meshed with the second gear and mounted on an output shaft of the second motor, a support plate is mounted at the top inside the box, a telescopic rod is mounted on the support plate, the cutting tool is mounted at a movable end of the telescopic rod, a storage battery is further mounted inside the box, and the storage battery is electrically connected with the second motor.
3. The electric power pipe cutting device for electric power construction as claimed in claim 1, wherein a displacement mechanism is mounted on one side of the cutting mechanism, the displacement mechanism includes a first motor, a first gear and a cylindrical rack, the cylindrical rack is slidably mounted on the vertical plate, the first motor is mounted on the workbench, the first gear is mounted on an output shaft of the first motor and meshed with the cylindrical rack, a guide bar is further mounted on the cylindrical rack, and a through groove matched with the guide bar is formed on the vertical plate.
4. The electric power construction electric power pipe cutting device as claimed in claim 1, wherein a lead screw is rotatably mounted at two ends inside the groove, the movable plate is threadedly mounted on the lead screw, a third motor is mounted at an end of the workbench, and an end of an output shaft of the third motor is connected with the lead screw.
5. The electric power construction pipe cutting apparatus as claimed in claim 1, wherein the jaw is semi-circular ring shaped.
6. The electric power construction pipe cutting apparatus as claimed in claim 1, wherein the guide block has a trapezoidal shape.
7. The electric power construction pipe cutting device as claimed in claim 1, wherein the vertical rod is mounted on the movable rod by means of bolts.
8. The electric power construction power pipe cutting device as claimed in claim 1, wherein a placing groove is formed on one side of the vertical plate close to the groove.
9. The cutting device for the electric power construction electric power pipe as claimed in claim 1, wherein the clamping jaw and the vertical rod are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111247126.5A CN113977667B (en) | 2021-10-26 | 2021-10-26 | Be used for electric power construction electric power pipe cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111247126.5A CN113977667B (en) | 2021-10-26 | 2021-10-26 | Be used for electric power construction electric power pipe cutting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113977667A CN113977667A (en) | 2022-01-28 |
| CN113977667B true CN113977667B (en) | 2023-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111247126.5A Active CN113977667B (en) | 2021-10-26 | 2021-10-26 | Be used for electric power construction electric power pipe cutting device |
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| Country | Link |
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| CN (1) | CN113977667B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4304631B2 (en) * | 2006-07-31 | 2009-07-29 | Ｓｍｃ株式会社 | Chuck device |
| DE102013017374A1 (en) * | 2012-10-19 | 2014-04-24 | Tracto-Technik Gmbh & Co. Kg | Device for peeling e.g. oxide layer of pipe and insulating layer of cable laid within earth and manhole, has operating arm connected with gripper, and blade connected with gripper and pressed against cable and pipe |
| CN211729377U (en) * | 2019-12-19 | 2020-10-23 | 查玉英 | Adjustable ring cutting machine for PE pipe |
| CN112092386A (en) * | 2020-09-08 | 2020-12-18 | 聂小平 | Water conservancy water pipe cutting hot melt connection integrated device |
| CN112692897B (en) * | 2020-12-08 | 2022-10-28 | 安徽康桥管业有限公司 | Accurate cutting device of tubular product |
| CN112549131A (en) * | 2020-12-18 | 2021-03-26 | 国网河南省电力公司南召县供电公司 | Electric power construction electric power pipe cutting device |
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2021
- 2021-10-26 CN CN202111247126.5A patent/CN113977667B/en active Active
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| Publication number | Publication date |
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| CN113977667A (en) | 2022-01-28 |
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