CN115173311A - Long-distance large-span high-voltage line tightening device - Google Patents
Long-distance large-span high-voltage line tightening device Download PDFInfo
- Publication number
- CN115173311A CN115173311A CN202210879440.3A CN202210879440A CN115173311A CN 115173311 A CN115173311 A CN 115173311A CN 202210879440 A CN202210879440 A CN 202210879440A CN 115173311 A CN115173311 A CN 115173311A
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- Prior art keywords
- frame
- voltage line
- block
- tightening device
- connecting rod
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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.)
- Pending
Links
- 238000004804 winding Methods 0.000 claims description 28
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
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- Clamps And Clips (AREA)
Abstract
The invention relates to a long-distance large-span high-voltage line tightening device, which aims to solve the technical problems that the installation and the fixation are inconvenient and the cable clamp is inconvenient at present, and comprises a clamp connection tong head unit for connecting a cable and a drawing and tightening unit for drawing and clamping the clamp connection tong head unit.
Description
Technical Field
The invention relates to the technical field of cable laying, in particular to a long-distance large-span high-voltage line tightening device.
Background
In electric power construction, two wires or wires need to be tensioned and connected in the aspects of installing the wires, tightening the wires, installing insulators and the like. The tightening device is used for tensioning the wire in the overhead line laying construction. When the wire clamping device is used, the steel wire rope or the galvanized iron wire on the tightening device is firstly loosened and fixed on the cross arm, the wire is clamped by the wire clamp, and then the special wrench is pulled. Due to the anti-reversion function of the pawl, the steel wire rope or the galvanized iron wire is gradually wound on the ratchet wheel roller, so that the wire is tightened. And fixing the tightened lead on the insulator. Then the pawl is firstly loosened to loosen the steel wire rope or the galvanized iron wire, then the wire clamp is loosened, and finally the steel wire rope or the galvanized iron wire is wound on the roller of the ratchet wheel.
In the prior art, there are some problems, such as: inconvenient when using connect the tightening means on the cross arm of electric power frame, and inconvenient clamp tightly fixedly to the cable, consequently need a long-distance large-span high tension line tightening means to solve above-mentioned problem urgently.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, adapt to practical requirements, and provide a long-distance large-span high-voltage line tightening device which is convenient to install, fix and operate, so as to solve the technical problems that the installation and the fixation of a cable are inconvenient and the clamping and the fixation of the cable are inconvenient at present.
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
designing a long-distance large-span high-voltage line tightening device, which comprises a clamping connection tong head unit for connecting a cable and a traction tightening unit for drawing and clamping the clamping connection tong head unit; the clamping connection tong head unit comprises a clamping tong part and a traction frame head part movably connected to one end of the clamping tong part, the traction tightening unit comprises a rolling wheel frame and a fixed mounting base fixedly welded to the lower end face of the rolling wheel frame, a tightening traction belt part is arranged on the rolling wheel frame, and the other end of the tightening traction belt part is hooked on the traction frame head part.
The clamping clamp piece comprises a lower clamp block and an upper clamp block, the lower clamp block and the upper clamp block are movably connected through a connecting rod piece to form a whole clamping clamp piece, and one end of the upper clamp block is provided with a connecting groove.
The connecting rod piece comprises an upper connecting rod and a short connecting rod, one end of the upper connecting rod is movably connected to the lower clamp block, the middle section of the upper connecting rod is movably connected with the upper clamp block, one end of the short connecting rod is movably connected to the lower clamp block, and the other end of the short connecting rod is movably connected to the upper clamp block.
The traction frame head piece comprises a reinforcing rod and a frame, wherein one end of the reinforcing rod is movably connected with the upper connecting rod, the frame is fixedly welded on the other end of the reinforcing rod, a hook hanging frame body is fixedly welded on the frame, and a hook hanging column is fixedly welded on the hook hanging frame body.
The frame comprises a frame body fixedly welded on the reinforcing rod and a plug column fixedly welded at the other end of the frame body, and the plug column is movably plugged in the connecting groove.
The diameter of the insertion column is matched with the width of the notch of the connecting groove.
The rolling wheel frame comprises a wheel frame body and a ratchet wheel lever piece connected to one side of the wheel frame body, the wheel frame body comprises fixed side plates and rolling columns rotatably installed between the fixed side plates, and one end of each fixed side plate is provided with a guide roller.
The ratchet wheel lever piece comprises a ratchet wheel box seat fixedly arranged on the side face of the fixed side plate, an output rotating shaft in the ratchet wheel box seat is connected with one end of the winding column, a welding block is fixedly arranged on the input rotating shaft of the ratchet wheel box seat, and the welding lever is fixedly welded on the welding block.
The fixed mounting base comprises a stop block fixedly welded on one side of the lower end face of the fixed side plate and a mounting block welded on the other side of the lower end face of the fixed side plate, a tight bolt is mounted on the mounting block in a threaded mode, and a rubber supporting block is fixedly arranged at one end of the tight bolt.
The tightening traction belt piece comprises an insulation traction belt, one end of the insulation traction belt is fixedly connected with the winding column, the other end of the insulation traction belt is fixedly connected to the connecting frame head, and the hook head is movably installed on the connecting frame head.
The invention has the beneficial effects that:
1. according to the winding device, the mounting block provided with the abutting bolt in a threaded manner is arranged on the lower end face of the fixed side plate, the stop block is fixedly arranged on the other side of the lower end face of the fixed side plate, when the winding device is used, the fixed side plate is placed on the cross arm, the stop block abuts against one side of the cross arm, and the winding wheel frame is clamped and fixedly mounted by screwing the abutting bolt, so that the winding wheel frame can be fixedly connected to the cross arm, force application is convenient during operation, meanwhile, the guide roller is arranged at one end of the fixed side plate, the insulating traction belt penetrates through the guide roller, the guide roller guides the insulating traction belt when the insulating traction belt is wound, and the insulating traction belt can be guaranteed to be wound on the winding column smoothly.
2. According to the invention, the lower clamp block and the upper clamp block are movably connected through the connecting rod piece to form a clamping clamp piece whole, one end of the traction frame head piece is movably connected to the upper connecting rod, the other end of the traction frame head piece is movably connected to the upper clamp block, when a cable is tightened, the traction frame head piece is pulled by the tightening traction belt piece, so that the lower clamp block and the upper clamp block are clamped, the cable arranged between the lower clamp block and the upper clamp block is clamped and fixed, the cable is conveniently and fixedly clamped, and the traction is conveniently tightened.
Drawings
FIG. 1 is a schematic view of the overall structure of a long-distance large-span high-voltage line tightening device according to the present invention;
FIG. 2 is a schematic structural view of a clamp connection binding clip unit according to the present invention;
FIG. 3 is a schematic view of the connection structure of the clamping vise and the drawing frame head according to the present invention;
FIG. 4 is a schematic structural view of a pulling and tightening unit according to the present invention;
fig. 5 is a schematic structural view of a take-up wheel frame of the present invention.
In the figure: 1. the clamping connection tong head unit; 11. clamping the clamp; 111. a lower clamp block; 112. an upper clamp block; 101. connecting grooves; 113. connecting rod pieces; 102. an upper connecting rod; 103. a short connecting rod; 12. pulling the frame head piece; 121. a reinforcing bar; 122. a frame; 104. a frame body; 105. inserting the column; 123. hooking the frame body; 106. hooking the column; 2. a pulling and tightening unit; 21. a winding wheel frame; 211. a wheel frame body; 201. fixing the side plate; 202. rolling up the column; 203. a guide roller; 212. a ratchet wrench bar member; 204. a ratchet box seat; 205. welding the blocks; 206. a lever; 22. fixedly mounting a base; 221. a stopper; 222. mounting a block; 223. tightly abutting against the bolt; 224. a rubber resisting block; 23. tightly pulling the belt piece; 231. insulating a pulling belt; 232. a connecting frame head; 233. a hook head.
Detailed Description
The invention is further illustrated with reference to the following figures and examples:
referring to fig. 1 to 5, the present design is a long-distance large-span high-voltage line tightening device, including a clamping connection tong head unit 1 for connecting a cable and a pulling tightening unit 2 for pulling the clamping connection tong head unit 1; the clamping connection tong head unit 1 comprises a clamping tong part 11 and a traction frame head part 12 movably connected to one end of the clamping tong part 11, the traction tightening unit 2 comprises a winding wheel frame 21 and a fixed mounting base 22 fixedly welded to the lower end face of the winding wheel frame 21, a tightening traction belt part 23 is arranged on the winding wheel frame 21, and the other end of the tightening traction belt part 23 is hooked on the traction frame head part 12.
Furthermore, the clamping vise 11 includes a lower vise block 111 and an upper vise block 112, the lower vise block 111 and the upper vise block 112 are movably connected through a connection rod 113 to form an integral clamping vise 11, and one end of the upper vise block 112 is provided with a connection groove 101.
Further, the connecting rod member 113 includes an upper connecting rod 102 and a short connecting rod 103, one end of the upper connecting rod 102 is movably connected to the lower jaw 111, the middle section of the upper connecting rod 102 is movably connected to the upper jaw 112, one end of the short connecting rod 103 is movably connected to the lower jaw 111, and the other end is movably connected to the upper jaw 112.
Further, the pulling frame head 12 includes a reinforcing rod 121 having one end movably connected to the upper connecting rod 102 and a frame 122 fixedly welded to the other end of the reinforcing rod 121, a hook frame body 123 is fixedly welded to the frame 122, and a hook column 106 is fixedly welded to the hook frame body 123.
Further, the frame 122 includes a frame body 104 fixedly welded on the reinforcing rod 121 and a plug-in post 105 fixedly welded at the other end of the frame body 104, and the plug-in post 105 is movably plugged in the connecting groove 101, further, the diameter of the plug-in post 105 matches with the width of the notch of the connecting groove 101, the lower clamp block 111 and the upper clamp block 112 are movably connected through a connecting rod 113 to form a whole clamping clamp 11, one end of the pulling frame head 12 is movably connected to the upper connecting rod 102, and the other end of the pulling frame head is movably connected to the upper clamp block 112.
Further, the winding wheel frame 21 includes a wheel frame body 211 and a ratchet wheel lever member 212 connected to one side of the wheel frame body 211, the wheel frame body 211 includes fixed side plates 201 and a winding post 202 rotatably installed between the fixed side plates 201, and a guide roller 203 is disposed at one end of the fixed side plates 201.
Further, the ratchet trigger member 212 includes a ratchet box base 204 fixedly disposed on the side of the fixed side plate 201, an output rotating shaft in the ratchet box base 204 is connected to one end of the winding post 202, a welding block 205 is fixedly disposed on the input rotating shaft of the ratchet box base 204, and a welding trigger 206 is fixedly welded on the welding block 205.
Further, the fixed mounting base 22 includes a stop 221 fixedly welded on one side of the lower end face of the fixed side plate 201 and a mounting block 222 welded on the other side of the lower end face of the fixed side plate 201, a tightening bolt 223 is installed on the mounting block 222 in a threaded manner, a rubber tightening block 224 is fixedly arranged at one end of the tightening bolt 223, the mounting block 222 installed with the tightening bolt 223 in a threaded manner is arranged on the lower end face of the fixed side plate 201, and the stop 221 is fixedly arranged on the other side of the lower end face of the fixed side plate 201, when in use, the fixed side plate 201 is placed on the cross arm, the stop 221 is tightened on one side of the cross arm, and the tightening bolt 223 is tightened for clamping and fixing installation, so that the winding wheel frame 21 can be fixedly connected to the cross arm, and conveniently exert a force when in operation, meanwhile, the guide roller 203 is arranged at one end of the fixed side plate 201, the insulation pulling belt 231 passes through between the guide rollers 203, when winding the insulation pulling belt 231, the insulation pulling belt 231 is guided by the guide roller 203, and the insulation pulling belt 231 can be smoothly wound on the winding column 202.
Further, the tightening and pulling strip 23 includes an insulation pulling strip 231 having one end fixedly connected to and wound around the winding post 202, and the other end of the insulation pulling strip 231 is fixedly connected to the connecting frame head 232, and a hook head 233 is movably mounted on the connecting frame head 232.
When the long-distance large-span high-voltage line tightening device is used, the fixed side plate 201 is placed on the cross arm, the stop block 221 abuts against one side of the cross arm, and the tightening bolt 223 is tightened to clamp and fix the winding wheel frame 21 on the cross arm, so that force can be conveniently applied during operation, the guide roller 203 is arranged at one end of the fixed side plate 201, the insulating draw tape 231 penetrates through the guide roller 203, the guide roller 203 guides the insulating draw tape 231 during winding of the insulating draw tape 231, and the insulating draw tape 231 can be smoothly wound on the winding column 202; when the cable is tightened, the tightening and drawing belt piece 23 draws the drawing frame head piece 12, so that the lower clamp block 111 and the upper clamp block 112 are clamped, the cable arranged between the lower clamp block 111 and the upper clamp block 112 is clamped and fixed, the cable is conveniently fixed and clamped, and the tightening and drawing are facilitated.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (10)
1. A long-distance large-span high-voltage line tightening device comprises a clamping connection tong head unit (1) for connecting a cable and a traction tightening unit (2) for traction, clamping and connecting the tong head unit (1); the method is characterized in that: the clamping connection tong head unit (1) comprises a clamping tong part (11) and a traction frame head part (12) movably connected to one end of the clamping tong part (11), the traction tightening unit (2) comprises a winding wheel frame (21) and a fixed mounting base (22) fixedly welded to the lower end face of the winding wheel frame (21), a tightening traction belt part (23) is arranged on the winding wheel frame (21), and the other end of the tightening traction belt part (23) is hooked on the traction frame head part (12).
2. A long distance large span high voltage line tightening device, as claimed in claim 1, wherein: the clamping clamp (11) comprises a lower clamp block (111) and an upper clamp block (112), the lower clamp block (111) and the upper clamp block (112) are movably connected through a connecting rod piece (113) to form the whole clamping clamp (11), and one end of the upper clamp block (112) is provided with a connecting groove (101).
3. A long distance large span high voltage line tightening device, as claimed in claim 2, wherein: the connecting rod piece (113) comprises an upper connecting rod (102) and a short connecting rod (103), one end of the upper connecting rod (102) is movably connected to the lower clamp block (111), the middle section of the upper connecting rod (102) is movably connected with the upper clamp block (112), one end of the short connecting rod (103) is movably connected to the lower clamp block (111), and the other end of the short connecting rod is movably connected to the upper clamp block (112).
4. A long distance large span high voltage line tightening device according to claim 3, wherein: the traction frame head piece (12) comprises a reinforcing rod (121) and a frame (122), wherein one end of the reinforcing rod (121) is movably connected with the upper connecting rod (102), the frame (122) is fixedly welded to the other end of the reinforcing rod (121), a hook frame body (123) is fixedly welded to the frame (122), and a hook hanging column (106) is fixedly welded to the hook frame body (123).
5. A long distance large span high voltage line tightening device, as claimed in claim 4, wherein: the frame (122) comprises a frame body (104) fixedly welded on the reinforcing rod (121) and an insertion column (105) fixedly welded at the other end of the frame body (104), and the insertion column (105) is movably inserted in the connecting groove (101).
6. A long distance large span high voltage line tightening device, as claimed in claim 5, wherein: the diameter of the insertion column (105) is matched with the width of the notch of the connecting groove (101).
7. A long distance large span high voltage line tightening device according to claim 1, wherein: the winding wheel frame (21) comprises a wheel frame body (211) and a ratchet wheel lever piece (212) connected to one side of the wheel frame body (211), the wheel frame body (211) comprises fixed side plates (201) and winding columns (202) rotatably installed between the fixed side plates (201), and one end of each fixed side plate (201) is provided with a guide roller (203).
8. A long distance large span high voltage line tightening device according to claim 7, wherein: the ratchet wheel pulling rod piece (212) comprises a ratchet wheel box seat (204) fixedly arranged on the side face of the fixed side plate (201), an output rotating shaft in the ratchet wheel box seat (204) is connected with one end of the winding column (202), a welding block (205) is fixedly arranged on an input rotating shaft of the ratchet wheel box seat (204), and a pulling rod (206) is fixedly welded on the welding block (205).
9. A long distance large span high voltage line tightening device according to claim 7, wherein: the fixed mounting base (22) comprises a stop block (221) fixedly welded on one side of the lower end face of the fixed side plate (201) and a mounting block (222) welded on the other side of the lower end face of the fixed side plate (201), a tight-abutting bolt (223) is installed on the mounting block (222) in a threaded mode, and a rubber abutting block (224) is fixedly arranged at one end of the tight-abutting bolt (223).
10. A long distance large span high voltage line tightening device according to claim 7, wherein: the tightening and drawing belt piece (23) comprises an insulation drawing belt (231) with one end fixedly connected and wound on the winding column (202), the other end of the insulation drawing belt (231) is fixedly connected to a connecting frame head (232), and a hook head (233) is movably mounted on the connecting frame head (232).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210879440.3A CN115173311A (en) | 2022-07-25 | 2022-07-25 | Long-distance large-span high-voltage line tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210879440.3A CN115173311A (en) | 2022-07-25 | 2022-07-25 | Long-distance large-span high-voltage line tightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115173311A true CN115173311A (en) | 2022-10-11 |
Family
ID=83496180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210879440.3A Pending CN115173311A (en) | 2022-07-25 | 2022-07-25 | Long-distance large-span high-voltage line tightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115173311A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2151197A1 (en) * | 2008-08-06 | 2010-02-10 | Medizintechnik Sattler GmbH | Quick tensioning clamp for attaching surgical aids such as retractors or peripheral operation technology on a frame system |
| CN101847845A (en) * | 2010-06-02 | 2010-09-29 | 常熟市电力机具有限公司 | Lead clamping device |
| JP2015042036A (en) * | 2013-08-20 | 2015-03-02 | 中国電力株式会社 | Wire tensioning device for indirect hot line work |
| JP2016007098A (en) * | 2014-06-20 | 2016-01-14 | 中国電力株式会社 | Temporary wire connection device and temporary wire connection method |
| CN105356378A (en) * | 2015-10-29 | 2016-02-24 | 国网山东昌乐县供电公司 | Precise and rapid anti-releasing wire clamper |
| CN105811312A (en) * | 2016-06-06 | 2016-07-27 | 国网湖南省电力公司带电作业中心 | Bottle-supporting and line-tightening tool for replacing tension insulator of distribution line and application method thereof |
| CN205753210U (en) * | 2016-05-05 | 2016-11-30 | 宁夏鸿图互联网科技有限公司 | A kind of fixing-line device |
| CN205791242U (en) * | 2016-05-18 | 2016-12-07 | 国家电网公司 | A kind of portable double plate circulation tightener |
| CN207339085U (en) * | 2017-11-06 | 2018-05-08 | 国网四川省电力公司攀枝花供电公司 | A kind of insulation column for being used to replace rod insulator |
| WO2019002718A1 (en) * | 2017-06-30 | 2019-01-03 | Rte Reseau De Transport D'electricite | Device and method for gripping a cable by means of a strain relief cable clamp |
| KR101984829B1 (en) * | 2018-05-25 | 2019-06-04 | 대원전기 주식회사 | Worm gear type wire grip and dip adjustment method with it |
| CN209380636U (en) * | 2018-12-24 | 2019-09-13 | 国家电网公司 | A kind of drawtongs |
| CN211295991U (en) * | 2020-02-28 | 2020-08-18 | 周志标 | Tightener for power line construction |
| CN111799700A (en) * | 2020-07-28 | 2020-10-20 | 国网山东省电力公司平原县供电公司 | Cable tensioning device for high-altitude power construction |
| CN213636886U (en) * | 2020-10-15 | 2021-07-06 | 国网山西省电力公司临汾供电公司 | Novel wire clamp and dual anti-drop tight line device |
| CN215835033U (en) * | 2021-08-18 | 2022-02-15 | 昆明迈克西门科技有限公司 | Cable traction clamp |
| CN114552485A (en) * | 2022-02-22 | 2022-05-27 | 国网山东省电力公司平原县供电公司 | A tensioner bullwheel for air wire erects |
-
2022
- 2022-07-25 CN CN202210879440.3A patent/CN115173311A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2151197A1 (en) * | 2008-08-06 | 2010-02-10 | Medizintechnik Sattler GmbH | Quick tensioning clamp for attaching surgical aids such as retractors or peripheral operation technology on a frame system |
| CN101847845A (en) * | 2010-06-02 | 2010-09-29 | 常熟市电力机具有限公司 | Lead clamping device |
| JP2015042036A (en) * | 2013-08-20 | 2015-03-02 | 中国電力株式会社 | Wire tensioning device for indirect hot line work |
| JP2016007098A (en) * | 2014-06-20 | 2016-01-14 | 中国電力株式会社 | Temporary wire connection device and temporary wire connection method |
| CN105356378A (en) * | 2015-10-29 | 2016-02-24 | 国网山东昌乐县供电公司 | Precise and rapid anti-releasing wire clamper |
| CN205753210U (en) * | 2016-05-05 | 2016-11-30 | 宁夏鸿图互联网科技有限公司 | A kind of fixing-line device |
| CN205791242U (en) * | 2016-05-18 | 2016-12-07 | 国家电网公司 | A kind of portable double plate circulation tightener |
| CN105811312A (en) * | 2016-06-06 | 2016-07-27 | 国网湖南省电力公司带电作业中心 | Bottle-supporting and line-tightening tool for replacing tension insulator of distribution line and application method thereof |
| WO2019002718A1 (en) * | 2017-06-30 | 2019-01-03 | Rte Reseau De Transport D'electricite | Device and method for gripping a cable by means of a strain relief cable clamp |
| CN207339085U (en) * | 2017-11-06 | 2018-05-08 | 国网四川省电力公司攀枝花供电公司 | A kind of insulation column for being used to replace rod insulator |
| KR101984829B1 (en) * | 2018-05-25 | 2019-06-04 | 대원전기 주식회사 | Worm gear type wire grip and dip adjustment method with it |
| CN209380636U (en) * | 2018-12-24 | 2019-09-13 | 国家电网公司 | A kind of drawtongs |
| CN211295991U (en) * | 2020-02-28 | 2020-08-18 | 周志标 | Tightener for power line construction |
| CN111799700A (en) * | 2020-07-28 | 2020-10-20 | 国网山东省电力公司平原县供电公司 | Cable tensioning device for high-altitude power construction |
| CN213636886U (en) * | 2020-10-15 | 2021-07-06 | 国网山西省电力公司临汾供电公司 | Novel wire clamp and dual anti-drop tight line device |
| CN215835033U (en) * | 2021-08-18 | 2022-02-15 | 昆明迈克西门科技有限公司 | Cable traction clamp |
| CN114552485A (en) * | 2022-02-22 | 2022-05-27 | 国网山东省电力公司平原县供电公司 | A tensioner bullwheel for air wire erects |
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