CN114204480A - Replacement tool for discharge gap insulator of tension tower open ground wire - Google Patents
Replacement tool for discharge gap insulator of tension tower open ground wire Download PDFInfo
- Publication number
- CN114204480A CN114204480A CN202111476854.3A CN202111476854A CN114204480A CN 114204480 A CN114204480 A CN 114204480A CN 202111476854 A CN202111476854 A CN 202111476854A CN 114204480 A CN114204480 A CN 114204480A
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- China
- Prior art keywords
- ratchet wheel
- screw rod
- discharge gap
- ground wire
- threaded screw
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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
Abstract
The invention discloses a replacement tool for a discharge gap insulator of a tension tower overhead ground wire, which relates to the technical field of high-voltage transmission line maintenance equipment, and comprises a clamp, a buckle, a threaded screw rod and a handle assembly, wherein: the handle component is provided with a pawl and a ratchet wheel, the ratchet wheel is arranged at one end of the handle component, the pawl is fixed on the outer side of the ratchet wheel through a bolt, the threaded screw rod is connected with the ratchet wheel, the clamping apparatus is arranged at one end of the threaded screw rod, and the buckle is movably connected with the clamping apparatus. The clamping devices are respectively fixed on the yoke plate, the buckles on the clamping devices rotate to be parallel to two bevel edges of the yoke plate to buckle the top of the yoke plate, the handle assembly is pulled to drive the sleeve to rotate through the ratchet wheel, the meshing position of the pawl and the ratchet wheel is changed to enable the ratchet wheel to rotate forwards or backwards, the screw rod is enabled to be screwed in or screwed out of the sleeve, and therefore tightening or loosening of the clamping devices is achieved, stress points are transferred to the yoke plate in a discharge gap, and direct stress deformation of the overhead ground wire is avoided.
Description
Technical Field
The invention relates to the technical field of high-voltage transmission line maintenance equipment, in particular to a replacement tool for a discharge gap insulator of a tension tower overhead ground wire.
Background
Change 500kV circuit strain insulator tower sky ground discharge gap insulator at present mostly uses instruments such as wire fixing-line device cooperation chain calabash or ratchet tightener, directly draws overhead earth wire to the iron tower, and then makes the discharge gap insulator not hard up to reach the purpose of changing, nevertheless can make overhead earth wire take place to warp in the position of wire fixing-line device like this, appear the problem of strand that loosens even, make overhead earth wire receive destruction.
Disclosure of Invention
In the prior art, a wire clamping device is usually used to be matched with tools such as a chain hoist or a ratchet wheel tightener and the like to directly pull an overhead ground wire to an iron tower so as to loosen a discharge gap insulator, and the mode can cause the position of the overhead ground wire on the wire clamping device to deform and even cause the problem of strand scattering, so that the overhead ground wire is damaged, and the following invention is provided in view of the technical problems:
the utility model provides a strain insulator tower sky ground wire discharge gap insulator replacement instrument, includes fixture, buckle, screw lead screw and hand (hold) subassembly, wherein:
the handle component is provided with a pawl and a ratchet wheel, the ratchet wheel is arranged at one end of the handle component, the pawl is fixed on the outer side of the ratchet wheel through a bolt, the threaded screw rod is connected with the ratchet wheel, the clamping apparatus is arranged at one end of the threaded screw rod, and the buckle is movably connected with the clamping apparatus.
Furthermore, a connecting fixing piece is arranged between the clamping apparatus and the threaded screw rod, and the clamping apparatus and the threaded screw rod are fixedly connected through the connecting fixing piece.
Furthermore, one end of the handle component is provided with a clamping piece matched with the ratchet wheel, and one end of the clamping piece is provided with a hole matched with the ratchet wheel.
Further, the bottom of the clamping piece is fixedly connected with the pawl.
Furthermore, the fixture is fixedly connected with the connecting and fixing piece through a bolt.
Furthermore, the outer surface of the threaded screw rod is sleeved with a sleeve, and threads matched with the threaded screw rod are arranged in the sleeve.
Further, the sleeve penetrates through the inner wheel surface of the ratchet wheel, and the sleeve is movably connected with the ratchet wheel.
Furthermore, the fixture is provided with a protruding block connected with the connecting fixing piece, and the fixture is also provided with an opening which is of a U-shaped structure.
Furthermore, the openings of the fixture are respectively connected with the buckles, and the buckles are movably connected with the openings of the buckles through rivets.
Furthermore, threaded screw rods are respectively arranged at two ends of the sleeve, one end of each threaded screw rod is connected with the sleeve through a thread, and the other end of each threaded screw rod is fixedly connected with the fixture.
The invention discloses a replacement tool for a discharge gap insulator of an overhead ground wire of a tension tower.A clamp is respectively fixed on a yoke plate, a buckle on the clamp rotates to be parallel to two bevel edges of the yoke plate to buckle the top of the yoke plate, a handle component is pulled to drive a sleeve to rotate through a ratchet wheel, the ratchet wheel can rotate forwards or reversely by changing the meshing position of a pawl and the ratchet wheel, so that a screw rod is screwed in or screwed out of the sleeve, the clamp is tightened or loosened, a stress point is transferred to the yoke plate of the discharge gap, the direct stress deformation of the overhead ground wire is avoided, the operation steps of an operator can be simplified, and the work efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a replacement tool for a discharge gap insulator of a tension tower open ground wire according to an embodiment of the present invention;
fig. 2 is a schematic top view of a tool for replacing a discharge gap insulator of a tension tower aerial ground wire according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a clamping portion of a tool for replacing a discharge gap insulator of a tension tower open ground wire according to an embodiment of the present invention.
The reference numerals are explained below:
1-buckling; 2-a fixture; 3-connecting the firmware; 4-a threaded screw rod; 5-a sleeve; 6-ratchet wheel; 7-handle assembly.
Detailed Description
The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
The utility model provides a strain insulator tower sky ground line discharge gap insulator replacement instrument, as shown in fig. 1, includes fixture 2, buckle 1, screw lead screw 4 and hand (hold) subassembly 7, wherein:
the handle component 7 is provided with a pawl and a ratchet wheel 6, the ratchet wheel 6 is arranged at one end of the handle component 7, the pawl is fixed on the outer side of the ratchet wheel 6 through a bolt, the threaded screw rod 4 is connected with the ratchet wheel 6, the fixture 2 is arranged at one end of the threaded screw rod 4, and the buckle 1 is movably connected with the fixture 2.
Further, in a preferred embodiment of the present application, one end of the handle assembly 7 is provided with a clamping member matched with the ratchet 6, and one end of the clamping member is provided with a hole matched with the ratchet 6.
In this application embodiment, the holder that one was served of hand (hold) subassembly 7 includes base, both sides centre gripping the clamping structure of ratchet 6, the clamping structure of holder with size, the shape phase-match of ratchet 6, the clamping structure of holder divide into two parts, grasps ratchet 6 from two sides of ratchet 6 respectively, the clamping structure of holder still be provided with the hole of the same size of wheel in the ratchet 6, can with screw thread 4 follows the clamping structure's of holder hole with the interior wheel of ratchet 6 passes, screw thread 4 rotates and can drive screw thread 4 rotates, makes fixture 2 and buckle 1 move or toward keeping away from to ratchet 6 direction the direction of ratchet 6 removes.
In this application embodiment, two kinds about screw lead screw 4 divide into, screw lead screw 4's tip still is equipped with the safety pin, and the screw that breaks away when preventing screw lead screw 4 from unscrewing, the closure is in two positive and negative screw nuts about, respectively soon, and two positive and negative tooth screw nuts about are fixed respectively through the welding ratchet 6's both sides.
Further, in a preferred embodiment of the present application, a connecting fastener 3 is further disposed between the fixture 2 and the threaded screw rod 4, and the fixture 2 and the threaded screw rod 4 are fixedly connected through the connecting fastener 3.
As shown in fig. 2 and 3, the threaded screw rod 4 and the connecting fastener 3 are fixed by welding, the fixture 2 and the connecting fastener 3 are movably connected, the fixture 2 and the connecting fastener 3 may be connected by a rivet or a bolt, and any connection method that can ensure that the fixture 2 can move along the connecting fastener 3 falls within the protection scope of the present application.
Further, in a preferred embodiment of the present application, the fixture 2 is fixedly connected to the connection fixture 3 by bolts.
Further, in a preferred embodiment of the present application, as shown in fig. 3, the clip 2 is provided with a protruding block coupled with the coupling fixture 3, and the clip 2 is further provided with an opening having a U-shaped configuration.
Further, in a preferred embodiment of the present application, the openings of the fixtures 2 are respectively connected to the buckles 1, and the buckles 1 are movably connected to the openings of the buckles 1 through rivets.
In the embodiment of the present application, the fixture 2 can be rotated 180 ° along the fixed connection, the latch 1 can also be rotated 180 ° along the fixture 2, and the latch 1 and the fixture 2 form a latch 1 for clamping the yoke plate of the electrical gap, so that the force point can be transferred to the yoke plate of the electrical gap, and the direct force deformation of the overhead ground wire is avoided.
Further, in a preferred embodiment of the present application, a bottom portion of the clamping member is fixedly connected to the pawl.
The surface of the outer wheel of the ratchet wheel 6 is provided with a pawl which can change the rotation direction of the ratchet wheel 6, and the ratchet wheel 6 can rotate forwards or backwards by changing the meshing position of the pawl and the ratchet wheel 6, so that the screw rod can be screwed in or out of the sleeve, and the purpose of tightening or loosening the clamp 2 is realized.
Further, in a preferred embodiment of the present application, as shown in fig. 1, a sleeve 5 is sleeved on the outer surface of the threaded screw rod 4, and a thread matching with the threaded screw rod 4 is arranged in the sleeve 5.
Further, in a preferred embodiment of the present application, the sleeve 5 passes through an inner circumferential surface of the ratchet 6, and the sleeve 5 is movably connected with the ratchet 6.
Further, in a preferred embodiment of the present application, two ends of the sleeve 5 are respectively provided with a threaded screw rod 4, one end of the threaded screw rod 4 is connected with the sleeve 5 through a thread, and the other end of the threaded screw rod 4 is fixedly connected with the fixture 2.
The sleeve is made of high-quality steel, threads matched with the threaded screw rod 4 are arranged in the sleeve 5, if the threads on the threaded screw rod 4 are forward threads, the threads in the sleeve 5 are also forward threads, the sleeve 5 rotates to drive the threaded screw rod 4 to rotate, if the sleeve 5 rotates clockwise, the threaded screw rod 4 rotates anticlockwise, so that the fixture 2 moves towards the direction close to the ratchet wheel 6, otherwise, the fixture 2 moves towards the direction far away from the ratchet wheel 6, and the device can be tightened or loosened by rotating the sleeve 5.
In the description of the present invention, it is to be understood that the terms "intermediate", "length", "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", "radial", "circumferential", and the like, indicate orientations and positional relationships that are based on the orientations and positional relationships shown in the drawings, are used for convenience in describing the present invention and for simplicity in description, 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 therefore, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the first feature may be "on" the second feature in direct contact with the second feature, or the first and second features may be in indirect contact via an intermediate. "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above description is for the purpose of illustrating embodiments of the invention and is not intended to limit the invention, and it will be apparent to those skilled in the art that any modification, equivalent replacement, or improvement made without departing from the spirit and principle of the invention shall fall within the protection scope of the invention.
Claims (10)
1. The utility model provides a strain insulator tower sky ground line discharge gap insulator replacement instrument which characterized in that, includes fixture, buckle, screw lead screw and hand (hold) subassembly, wherein:
the handle component is provided with a pawl and a ratchet wheel, the ratchet wheel is arranged at one end of the handle component, the pawl is fixed on the outer side of the ratchet wheel through a bolt, the threaded screw rod is connected with the ratchet wheel, the clamping apparatus is arranged at one end of the threaded screw rod, and the buckle is movably connected with the clamping apparatus.
2. The tool for replacing the tension tower overhead ground wire discharge gap insulator as claimed in claim 1, wherein a connecting fastener is further arranged between the fixture and the threaded screw rod, and the fixture and the threaded screw rod are fixedly connected through the connecting fastener.
3. The tension tower overhead ground wire discharge gap insulator replacement tool of claim 1, wherein one end of the handle assembly is provided with a clamping member that mates with the ratchet wheel, and one end of the clamping member is provided with a hole that mates with the ratchet wheel.
4. The tension tower air-ground wire discharge gap insulator replacement tool of claim 3, wherein the bottom of the clamping member is fixedly connected with the pawl.
5. The tension tower overhead ground wire discharge gap insulator replacement tool of claim 1, wherein the clamp is fixedly connected with the connection fastener by a bolt.
6. The tool for replacing the tension tower overhead ground wire discharge gap insulator as claimed in claim 1, wherein a sleeve is sleeved on the outer surface of the threaded screw rod, and a thread matched with the threaded screw rod is arranged in the sleeve.
7. The tension tower overhead ground wire discharge gap insulator replacement tool of claim 6, wherein the sleeve passes through an inner circumferential surface of the ratchet wheel, the sleeve being movably connected to the ratchet wheel.
8. The tension tower overhead ground wire discharge gap insulator replacement tool of claim 1, wherein the clamp is provided with a protruding block connected with the connecting fixture, the clamp is further provided with an opening, and the opening is of a U-shaped structure.
9. The tool for replacing the tension tower overhead ground wire discharge gap insulator of claim 8, wherein the openings of the fixture are respectively connected with the buckles, and the buckles are movably connected with the openings of the buckles through rivets.
10. The tool for replacing the discharge gap insulator of the tension tower air-ground wire according to claim 7, wherein two ends of the sleeve are respectively provided with a threaded screw rod, one end of the threaded screw rod is connected with the sleeve through a thread, and the other end of the threaded screw rod is fixedly connected with the clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111476854.3A CN114204480A (en) | 2021-12-06 | 2021-12-06 | Replacement tool for discharge gap insulator of tension tower open ground wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111476854.3A CN114204480A (en) | 2021-12-06 | 2021-12-06 | Replacement tool for discharge gap insulator of tension tower open ground wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114204480A true CN114204480A (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111476854.3A Pending CN114204480A (en) | 2021-12-06 | 2021-12-06 | Replacement tool for discharge gap insulator of tension tower open ground wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114204480A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202225142U (en) * | 2011-07-11 | 2012-05-23 | 汉中天杰电力机具制造有限公司 | Double hook line tightening device |
| CN202534977U (en) * | 2012-03-20 | 2012-11-14 | 上海市电力公司 | V-shaped clamping apparatus for transposing double insulator strings of power transmission line |
| CN203312700U (en) * | 2013-06-03 | 2013-11-27 | 国家电网公司 | Tension tower wire end LF-type yoke plate fixing clamp |
| CN104377598A (en) * | 2014-12-08 | 2015-02-25 | 国家电网公司 | Straightening device for double-insulator-suspended yoke plates on electric transmission line |
| CN205377163U (en) * | 2015-12-18 | 2016-07-06 | 中国南方电网有限责任公司超高压输电公司南宁局 | General type 500kV overhead earth wire carries ply -yarn drill utensil |
| JP2016146687A (en) * | 2015-02-06 | 2016-08-12 | 中国電力株式会社 | Insulator replacement assisting tool |
| CN106058725A (en) * | 2016-07-06 | 2016-10-26 | 国网黑龙江省电力有限公司检修公司 | Tension yoke plate handgrip and operating method thereof |
| CN207183925U (en) * | 2017-08-09 | 2018-04-03 | 国网河南省电力公司技能培训中心 | Power distribution network uninterrupted operation insulating bar working system Special hanging bridge |
| JP2018088786A (en) * | 2016-11-30 | 2018-06-07 | 中国電力株式会社 | Grounding device and grounding method |
| CN111181073A (en) * | 2020-03-06 | 2020-05-19 | 广东电网有限责任公司 | Simple pole upper insulation baffle |
-
2021
- 2021-12-06 CN CN202111476854.3A patent/CN114204480A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202225142U (en) * | 2011-07-11 | 2012-05-23 | 汉中天杰电力机具制造有限公司 | Double hook line tightening device |
| CN202534977U (en) * | 2012-03-20 | 2012-11-14 | 上海市电力公司 | V-shaped clamping apparatus for transposing double insulator strings of power transmission line |
| CN203312700U (en) * | 2013-06-03 | 2013-11-27 | 国家电网公司 | Tension tower wire end LF-type yoke plate fixing clamp |
| CN104377598A (en) * | 2014-12-08 | 2015-02-25 | 国家电网公司 | Straightening device for double-insulator-suspended yoke plates on electric transmission line |
| JP2016146687A (en) * | 2015-02-06 | 2016-08-12 | 中国電力株式会社 | Insulator replacement assisting tool |
| CN205377163U (en) * | 2015-12-18 | 2016-07-06 | 中国南方电网有限责任公司超高压输电公司南宁局 | General type 500kV overhead earth wire carries ply -yarn drill utensil |
| CN106058725A (en) * | 2016-07-06 | 2016-10-26 | 国网黑龙江省电力有限公司检修公司 | Tension yoke plate handgrip and operating method thereof |
| JP2018088786A (en) * | 2016-11-30 | 2018-06-07 | 中国電力株式会社 | Grounding device and grounding method |
| CN207183925U (en) * | 2017-08-09 | 2018-04-03 | 国网河南省电力公司技能培训中心 | Power distribution network uninterrupted operation insulating bar working system Special hanging bridge |
| CN111181073A (en) * | 2020-03-06 | 2020-05-19 | 广东电网有限责任公司 | Simple pole upper insulation baffle |
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