CN112234507B - Linear rod back-rail wire lifting device - Google Patents
Linear rod back-rail wire lifting device Download PDFInfo
- Publication number
- CN112234507B CN112234507B CN202011307607.6A CN202011307607A CN112234507B CN 112234507 B CN112234507 B CN 112234507B CN 202011307607 A CN202011307607 A CN 202011307607A CN 112234507 B CN112234507 B CN 112234507B
- Authority
- CN
- China
- Prior art keywords
- push
- lifter
- layer
- screw rod
- hanging beam
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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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Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C25/00—Cranes not provided for in groups B66C17/00 - B66C23/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/14—Trolley or crane travel drives
-
- 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
Abstract
The invention discloses a linear rod back stop wire lifting device, which comprises a transverse hanging beam, a lifter and a transmission device, wherein the lifter comprises a lifting rod and a lifting rod; the transverse hanging beam is provided with a first groove; the transmission device comprises a rotating handle, a push-pull screw rod and a fixed block; the head end of the rotating handle is arranged at the tail end of the transverse hanging beam, the push-pull screw rod is arranged at the first groove, the tail end of the push-pull screw rod is connected with the head end of the rotating handle, the head end of the push-pull screw rod is connected with the fixed block, and the fixed block is connected with the lifter. The wire is arranged at the lifter by arranging the lifter, and the lifter drives the wire to move; through setting up transmission, based on the rotatory handle of user, rotatory handle drives the push-and-pull lead screw and rotates, drives hoisting device and removes, has alleviateed the strength of user to the required cost of promotion wire greatly, has further saved the manpower and when time, satisfies actual operation requirement.
Description
Technical Field
The invention relates to the field of power equipment, in particular to a lifting device for a back rail lead of a linear rod.
Background
At present, steel-cored aluminum stranded wires are often used for existing 10kV line conductors special for large customers, the types of the steel-cored aluminum stranded wires are lGJ120-150, the situations of breakage or flashover of straight-line rod needle type porcelain bottles often occur due to weather conditions, external force damage or equipment faults and the like, and hidden dangers need to be eliminated in time for ensuring safe and stable operation of a power grid; secondly, when a conductor needs to be lifted from a pay-off tackle to a porcelain bottle in the construction operation of breaking a line, technically modifying and replacing a 10kV line or newly building a 10kV large-scale conductor, the traditional operation mode is that an operator supports and lifts the conductor in a shoulder mode, two persons are needed to waste time and labor to lift the conductor in place on a large-span back blocking rod, and in the operation process, the lifting in the shoulder mode consumes a large amount of physical power, so that the labor intensity is high, the high-altitude operation risk is high, and the efficiency is low.
Disclosure of Invention
Aiming at the defects of the prior art, the linear rod back rail wire lifting device is provided, a wire is arranged at a lifter by arranging the lifter, and the lifter drives the wire to move; through setting up transmission, based on the rotatory handle of user, rotatory handle drives the push-and-pull lead screw and rotates, drives hoisting device and removes, has alleviateed the strength of user to the required cost of promotion wire greatly, has further saved the manpower and when time, satisfies actual operation requirement.
In order to achieve the above object, the present invention is a linear bar back stop wire lifting device, which comprises a cross hanging beam, a lifter and a transmission device;
the transverse hanging beam is provided with a first groove;
the transmission device comprises a rotating handle, a push-pull screw rod and a fixed block;
the head end of the rotating handle is arranged at the tail end of the transverse hanging beam, the push-pull screw rod is arranged at the first groove, the tail end of the push-pull screw rod is connected with the head end of the rotating handle, the head end of the push-pull screw rod is connected with the fixed block, and the fixed block is connected with the lifter.
As a preferred technical scheme of the invention, the linear rod back rail wire lifting device further comprises a base and a bracket;
the head end of the support is arranged on the lower surface of the tail end of the transverse hanging beam, and the tail end of the support is fixedly connected with the base.
As a preferable technical solution of the present invention, the base is provided with a first layer and a second layer, the first layer is arranged above the second layer, and the length of the first layer is far longer than that of the second layer.
As a preferred technical scheme of the invention, the base also comprises an angle steel hook; the angle steel hook is provided with a hook part and a thread part;
the first layer is also provided with a first through hole;
the threaded part of the angle steel hook penetrates through the first through hole and is fixed at the first layer based on a nut.
As a preferred technical solution of the present invention, the lifter includes two fixing plates and a pulley;
the two fixing plates are respectively arranged on the left side and the right side of the transverse hanging beam, the head ends of the two fixing plates are respectively connected with the fixing blocks, and the tail ends of the two fixing plates are respectively connected with the shaft centers of the pulleys.
As a preferable technical scheme of the invention, the diameter of the pulley is 120 mm.
As a preferred technical solution of the present invention, the fixing plate is made of an epoxy resin insulating material.
In summary, due to the adoption of the technical scheme, the invention has the following technical effects: the wire is arranged at the lifter by arranging the lifter, and the lifter drives the wire to move; through setting up transmission, based on the rotatory handle of user, rotatory handle drives the push-and-pull lead screw and rotates, drives hoisting device and removes, has alleviateed the user greatly to the strength that promotes the required cost of wire, has further saved the manpower and the time spent, effectively promotes the wire, reduces the operation risk, simple structure, labour saving and time saving, convenient operation improves operation personnel security, increases substantially work efficiency. And the practical use requirement is met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a linear bar back rail wire lifting device of the present invention;
fig. 2 is a partial schematic view of the side of the linear bar back rail wire lift of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a linear rod back rail wire lifting device according to the present invention; fig. 2 shows a partial schematic view of the side of the linear bar back rail wire lift of the present invention.
Specifically, the linear rod back rail wire lifting device shown in the embodiment of the invention in the experiment comprises a transverse lifting beam 1, a lifter 2 and a transmission device 3; the transverse hanging beam 1 is provided with a first groove 11; the transmission device 3 comprises a rotating handle 31, a push-pull screw rod 32 and a fixed block; the head end of the rotating handle 31 is arranged at the tail end of the transverse hanging beam 1, the push-pull screw rod 32 is arranged at the first groove 11, the tail end of the push-pull screw rod 32 is connected with the head end of the rotating handle 31, the head end of the push-pull screw rod 32 is connected with the fixed block, and the fixed block is connected with the lifter 2. The wire is arranged at the lifter 2 by arranging the lifter 2, and the lifter 2 drives the wire to move; through setting up transmission 3, based on the rotatory handle 31 of user, rotatory handle 31 drives push-and-pull lead screw 32 and rotates, drives hoisting device and removes, has alleviateed the strength of user to promoting the required cost of wire greatly, has further saved the manpower and the time spent, effectively promotes the wire, reduces the operation risk, simple structure, labour saving and time saving, convenient operation improves the operation personnel security, by a wide margin work efficiency. And the practical use requirements are met.
Further, the transverse hanging beam 1 is fixedly connected by an upper plate and a lower plate, the upper plate is of a rectangular structure, the lower plate is of a trapezoidal structure, the upper side of the lower plate is larger than the lower side of the lower plate, but the lower side of the lower plate is larger than the diameter of the bracket; the first groove 11 is provided at the lower plate, and the first groove 11 is provided at the middle of the lower plate and passes through the end of the lower plate but does not pass through the head end of the lower plate. The push-pull screw rod 32 extends into the lower plate from the first groove 11, then the rotating handle 31 is installed to the portion, extending out of the tail end of the lower plate, of the push-pull screw rod 32, the rotating handle 31 rotates to drive the push-pull screw rod 32 to rotate, the lifting device 2 is driven to move in the length direction of the push-pull screw rod 32, and similarly, when the push-pull screw rod 32 is replaced, only the lifting device 2 and the rotating handle 31 need to be detached from the push-pull screw rod 32, and then the push-pull screw rod 32 is replaced. The maintenance difficulty of the device is greatly reduced, and the device is beneficial to wide popularization and use.
Furthermore, the upper plate and the lower plate of the transverse hanging beam 1 are integrally manufactured, so that the strength and the rigidity of the transverse hanging beam 1 are ensured, and the safety in the operation process is ensured.
Specifically, the linear rod back stop wire lifting device further comprises a base 4 and a support 5; the head end of the support 5 is arranged on the lower surface of the tail end of the transverse hanging beam 1, and the tail end of the support 5 is fixedly connected with the base 4.
Furthermore, the bracket 5 is made of 7050 series aviation aluminum alloy with the diameter of 50mm, and the 7050 series aviation aluminum alloy has good anti-stripping corrosion performance, good stress corrosion cracking resistance, good fracture toughness and good fatigue resistance. The 7050 series aluminum alloy has zinc as main alloy element and MgZn2 with obvious strengthening effect may be formed by adding magnesium into alloy containing zinc in 3-75 wt% to result in heat treatment effect superior to that of binary aluminum-zinc alloy. The tensile hardness can be further improved by increasing the content of zinc and magnesium in the alloy, and the stress corrosion resistance and the spalling corrosion resistance of the alloy can be improved. Very high strength properties can be achieved by heat treatment. The material is generally added with a small amount of copper-chromium alloy. The series uses 7050-7451 aluminum alloy as a top quality product, is praised as the most excellent product in aluminum alloy, has high strength, and is far better than mild steel. The alloy has good mechanical property, ensures the stability and reliability of the device, and further ensures the safe operation of a user in the operation process.
Furthermore, the transverse hanging beam 1 and the base 4 are also made of 7050 series aviation aluminum alloy, so that the reliability of the whole device is improved.
Furthermore, the support 5 is hinged to the lower surface of the transverse hanging beam 1, and the transverse hanging beam 1 can rotate around the support 5, so that the flexibility of adjustment of the device is greatly improved.
Specifically, the chassis 4 is provided with a first layer 41 and a second layer 42, the first layer 41 is disposed above the second layer 42, and the length of the first layer 41 is far longer than that of the second layer 42.
Furthermore, the height of the gap between the first layer 41 and the second layer 42 is matched with the thickness of the cross arm, and the gap between the first layer 41 and the second layer 42 is arranged on the cross arm, so that the device can adapt to various types of cross arms and tower materials, is convenient to install, greatly shortens the use time of the installation device for a user, and meets the actual use requirements.
Specifically, the base 4 further includes an angle iron hook 43; the angle iron hook 43 is provided with a hook part 44 and a thread part 45; the first layer 41 is also provided with a first through hole; the thread part 45 of the angle iron hook 43 passes through the first through hole and is fixed at the first layer 41 based on a nut.
Furthermore, the size of hook portion 44 and the size phase-match of cross arm, adjusting nut sets up the position at the screw rod portion for the device can be installed fixedly on the cross arm of different specifications, makes the device have stronger assembly flexibility, satisfies actual user demand.
Specifically, the lifter 2 includes two fixing plates 21 and a pulley 22; the two fixing plates 21 are respectively arranged on the left side and the right side of the transverse hanging beam 1, the head ends of the two fixing plates 21 are respectively connected with the fixing blocks, and the tail ends of the two fixing plates 21 are respectively connected with the shaft center of the pulley 22.
Furthermore, the fixing plate 21 and the pulley 22 are connected and fixed through a bolt, the bolt penetrates through the shaft of the pulley 22 and is fixed with the fixing plate 21 based on the nut, and the method is convenient for replacing the pulley 22 quickly and conveniently under the condition that the pulley 22 is damaged and is beneficial to being put into operation quickly.
Specifically, the diameter of the pulley 22 is 120 mm.
Further, the wire is arranged at the pulley 22, and the movement of the wire is driven by the movement of the pulley.
Specifically, the fixing plate 21 is made of an epoxy resin insulating material. The epoxy resin used as an anti-corrosion material has the characteristics of compactness, water resistance, good leakage resistance, high strength and the like, has good manufacturability such as strong adhesive force, normal-temperature operation, simple and convenient construction and the like, is moderate in price, enables the fixing plate 21 not to be conductive so as to protect a user, avoids electric shock, is manufactured at low cost, and is beneficial to large-scale popularization and application.
According to the invention, the lifter 2 is arranged, the lead is arranged at the lifter 2, and the lifter 2 drives the lead to move; through setting up transmission, based on the rotatory handle of user, rotatory handle drives the push-and-pull lead screw and rotates, drives hoisting device and removes, has alleviateed the user greatly to the strength that promotes the required cost of wire, has further saved the manpower and the time spent, effectively promotes the wire, reduces the operation risk, simple structure, labour saving and time saving, convenient operation improves operation personnel security, increases substantially work efficiency. And the practical use requirements are met.
The above detailed description is provided for a linear rod back rail wire lifting device provided in the embodiments of the present invention, and the principle and the embodiments of the present invention should be explained by using specific embodiments herein, and the above description of the embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (6)
1. A linear rod back rail wire lifting device is characterized by comprising a transverse hanging beam, a lifter and a transmission device;
the transverse hanging beam is provided with a first groove;
the transmission device comprises a rotating handle, a push-pull screw rod and a fixed block;
the head end of the rotating handle is arranged at the tail end of the transverse hanging beam, the push-pull screw rod is arranged at the first groove, the tail end of the push-pull screw rod is connected with the head end of the rotating handle, the head end of the push-pull screw rod is connected with the fixed block, and the fixed block is connected with the lifter;
the linear rod back stop wire lifting wire device further comprises a base and a support;
the head end of the support is hinged to the lower surface of the tail end of the transverse hanging beam, and the tail end of the support is fixedly connected with the base.
2. The linear bar back rail wire lifting device of claim 1, wherein the base is provided with a first layer and a second layer, the first layer being disposed above the second layer, and the first layer being substantially longer in length than the second layer.
3. The linear bar back rail wire lifting device of claim 2, wherein the base further comprises an angle iron catch; the angle steel hook is provided with a hook part and a thread part;
the first layer is also provided with a first through hole;
the threaded part of the angle steel hook penetrates through the first through hole and is fixed at the first layer based on a nut.
4. The linear bar back rail wire lifting device of claim 3, wherein the lifter comprises two fixed plates and a pulley;
the two fixing plates are respectively arranged on the left side and the right side of the transverse hanging beam, the head ends of the two fixing plates are respectively connected with the fixing blocks, and the tail ends of the two fixing plates are respectively connected with the shaft centers of the pulleys.
5. The linear bar back rail wire hoist of claim 4, wherein the pulley has a diameter of 120 mm.
6. The linear bar back rail wire lifting device of claim 4, wherein the fixing plate is made of epoxy resin insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011307607.6A CN112234507B (en) | 2020-11-19 | 2020-11-19 | Linear rod back-rail wire lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011307607.6A CN112234507B (en) | 2020-11-19 | 2020-11-19 | Linear rod back-rail wire lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112234507A CN112234507A (en) | 2021-01-15 |
| CN112234507B true CN112234507B (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011307607.6A Active CN112234507B (en) | 2020-11-19 | 2020-11-19 | Linear rod back-rail wire lifting device |
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Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2136290Y (en) * | 1992-09-04 | 1993-06-16 | 谢鸿琴 | Wall plastering machine |
| CN101510677A (en) * | 2009-01-15 | 2009-08-19 | 国网直流工程建设有限公司 | Method and system for unfolding conductor |
| CN201348094Y (en) * | 2008-08-08 | 2009-11-18 | 上海百敏投资管理有限公司 | Grid-type cable bridge horizontal fast mounting bracket |
| CN202978098U (en) * | 2012-11-05 | 2013-06-05 | 冀北电力有限公司张家口供电公司 | Overhead ground wire lifter |
| CN103166152A (en) * | 2011-12-14 | 2013-06-19 | 河南省电力公司新乡供电公司 | Insulation support for manufacturing cable heads |
| CN104901230A (en) * | 2015-07-02 | 2015-09-09 | 国家电网公司 | Live wire insulated lifter |
| CN105398991A (en) * | 2015-12-14 | 2016-03-16 | 国家电网公司 | Capacitor lifting tool |
| CN205630586U (en) * | 2016-03-23 | 2016-10-12 | 西南交通大学 | Transmission line construction is taken off with remote control and is hung cable freight transportation cableway walking dolly |
| CN207184004U (en) * | 2017-12-28 | 2018-04-03 | 青岛首创瑞海水务有限公司 | A kind of elevator pump cable hanging unit |
| CN207664533U (en) * | 2018-01-19 | 2018-07-27 | 济南大学 | A kind of axially cutting device of cable insulation and cable insulation peel-off device |
| CN108639989A (en) * | 2018-07-13 | 2018-10-12 | 国网河南省电力公司唐河县供电公司 | A kind of cement rod-type power transmission line overhead ground wire auxiliary device |
| CN209127923U (en) * | 2018-11-20 | 2019-07-19 | 山东科技大学 | A kind of small-sized single armed of rotational automatic formula is hung |
| CN209675829U (en) * | 2018-09-20 | 2019-11-22 | 成都星河科技产业有限公司 | A kind of 10kV insulator crossarm conducting wire installation pulley bracket |
| CN210494491U (en) * | 2019-06-21 | 2020-05-12 | 丽水市人民医院 | Medical orthopedics nursing device of changing dressings |
| CN210866989U (en) * | 2019-10-15 | 2020-06-26 | 广东电网有限责任公司 | Transmission line foreign matter cleaning device |
| CN111697497A (en) * | 2020-07-09 | 2020-09-22 | 重庆赛力格柯网络科技有限公司 | Cable insulation skin stripping equipment |
| CN211829957U (en) * | 2020-04-29 | 2020-10-30 | 青海世珈电力工程有限公司 | Power cable foreign body shell bidirectional operation clearing device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2992976A1 (en) * | 2014-09-02 | 2016-03-09 | Siemens Aktiengesellschaft | Mobile bending device |
| CN104300430A (en) * | 2014-10-28 | 2015-01-21 | 广西电网有限责任公司贺州供电局 | Supporting tool used for replacing strain tower double insulator strings |
-
2020
- 2020-11-19 CN CN202011307607.6A patent/CN112234507B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2136290Y (en) * | 1992-09-04 | 1993-06-16 | 谢鸿琴 | Wall plastering machine |
| CN201348094Y (en) * | 2008-08-08 | 2009-11-18 | 上海百敏投资管理有限公司 | Grid-type cable bridge horizontal fast mounting bracket |
| CN101510677A (en) * | 2009-01-15 | 2009-08-19 | 国网直流工程建设有限公司 | Method and system for unfolding conductor |
| CN103166152A (en) * | 2011-12-14 | 2013-06-19 | 河南省电力公司新乡供电公司 | Insulation support for manufacturing cable heads |
| CN202978098U (en) * | 2012-11-05 | 2013-06-05 | 冀北电力有限公司张家口供电公司 | Overhead ground wire lifter |
| CN104901230A (en) * | 2015-07-02 | 2015-09-09 | 国家电网公司 | Live wire insulated lifter |
| CN105398991A (en) * | 2015-12-14 | 2016-03-16 | 国家电网公司 | Capacitor lifting tool |
| CN205630586U (en) * | 2016-03-23 | 2016-10-12 | 西南交通大学 | Transmission line construction is taken off with remote control and is hung cable freight transportation cableway walking dolly |
| CN207184004U (en) * | 2017-12-28 | 2018-04-03 | 青岛首创瑞海水务有限公司 | A kind of elevator pump cable hanging unit |
| CN207664533U (en) * | 2018-01-19 | 2018-07-27 | 济南大学 | A kind of axially cutting device of cable insulation and cable insulation peel-off device |
| CN108639989A (en) * | 2018-07-13 | 2018-10-12 | 国网河南省电力公司唐河县供电公司 | A kind of cement rod-type power transmission line overhead ground wire auxiliary device |
| CN209675829U (en) * | 2018-09-20 | 2019-11-22 | 成都星河科技产业有限公司 | A kind of 10kV insulator crossarm conducting wire installation pulley bracket |
| CN209127923U (en) * | 2018-11-20 | 2019-07-19 | 山东科技大学 | A kind of small-sized single armed of rotational automatic formula is hung |
| CN210494491U (en) * | 2019-06-21 | 2020-05-12 | 丽水市人民医院 | Medical orthopedics nursing device of changing dressings |
| CN210866989U (en) * | 2019-10-15 | 2020-06-26 | 广东电网有限责任公司 | Transmission line foreign matter cleaning device |
| CN211829957U (en) * | 2020-04-29 | 2020-10-30 | 青海世珈电力工程有限公司 | Power cable foreign body shell bidirectional operation clearing device |
| CN111697497A (en) * | 2020-07-09 | 2020-09-22 | 重庆赛力格柯网络科技有限公司 | Cable insulation skin stripping equipment |
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| Publication number | Publication date |
|---|---|
| CN112234507A (en) | 2021-01-15 |
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