WO2022121502A1 - Pin insulator - Google Patents

Pin insulator Download PDF

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Publication number
WO2022121502A1
WO2022121502A1 PCT/CN2021/124353 CN2021124353W WO2022121502A1 WO 2022121502 A1 WO2022121502 A1 WO 2022121502A1 CN 2021124353 W CN2021124353 W CN 2021124353W WO 2022121502 A1 WO2022121502 A1 WO 2022121502A1
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WO
WIPO (PCT)
Prior art keywords
bevel gear
insulating
lifting screw
pin
rotating rod
Prior art date
Application number
PCT/CN2021/124353
Other languages
French (fr)
Chinese (zh)
Inventor
刘磊
庞峰
唐力
李恩文
李敏
李斌
厉天威
范才进
边美华
张兴森
彭家宁
卢展强
李君华
刘桂婵
杨艺云
梁世容
Original Assignee
南方电网科学研究院有限责任公司
广西电网有限责任公司电力科学研究院
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Application filed by 南方电网科学研究院有限责任公司, 广西电网有限责任公司电力科学研究院 filed Critical 南方电网科学研究院有限责任公司
Publication of WO2022121502A1 publication Critical patent/WO2022121502A1/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00Insulators or insulating bodies characterised by their form
    • H01B17/38Fittings, e.g. caps; Fastenings therefor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00Overhead installations of electric lines or cables

Definitions

  • the present application relates to the technical field of power equipment, and in particular, to a pin-type insulator.
  • connection between the existing pin insulator and the wire needs to be fixed by wire winding, which requires more operation time for winding and fixing, which increases the labor intensity of the operator, is not conducive to live work, and has certain dangers.
  • the purpose of the present application is to provide a pin insulator, which solves the problem that the connection between the existing pin insulator and the wire needs to be fixed by wire winding, which requires more work time for winding and fixing, which increases the labor intensity of the operator, and does not It is beneficial to live work, but has certain dangerous technical problems.
  • a pin insulator comprising: an insulating part, a first connecting part and a second connecting part;
  • the first connecting part and the second connecting part are respectively arranged at two ends of the insulating part, the first connecting part is used for connecting the cross arm, and the second connecting part is used for connecting the wire;
  • the second connection part includes a lifting screw, a rotating rod, a fixed seat, a first bevel gear and a second bevel gear;
  • the fixing seat is fixedly arranged on the top end of the insulating portion, the lifting screw is slidably arranged on the fixing seat, and the axial direction of the lifting screw and the sliding direction of the lifting screw are both the axis of the insulating portion.
  • a clamping part is provided at one end of the lifting screw away from the insulating part;
  • the second bevel gear is rotatably arranged on the fixing seat, the shaft center of the second bevel gear is provided with a screw hole, and the screw hole is matched with the lifting screw;
  • the rotating rod is rotatably arranged on the fixed seat, and one end of the rotating rod close to the lifting screw is fixedly connected with the first bevel gear, and the first bevel gear is meshed with the second bevel gear .
  • the length of the insulating portion is 400mm.
  • the first connecting part is a fixed screw.
  • a nut is fixedly provided at one end of the connecting rod away from the lifting screw.
  • the one-way wrench is matched with the nut.
  • the one-way wrench is specifically an electric wrench.
  • a handle bar is connected to the tail end of the one-way wrench.
  • the outside of the one-way wrench is covered with an insulating sleeve.
  • the insulating part includes an insulating mandrel and an insulating shed;
  • the insulating shed is arranged around the outside of the insulating mandrel.
  • the insulating mandrel is a solid structure.
  • the present application provides a pin-type insulator, comprising: an insulating part, a first connecting part and a second connecting part; the first connecting part and the second connecting part are respectively arranged at both ends of the insulating part, so
  • the first connection part is used to connect the cross arm
  • the second connection part is used to connect the wire
  • the second connection part includes a lifting screw, a rotating rod, a fixed seat, a first bevel gear and a second bevel gear
  • the The fixing seat is fixedly arranged on the top end of the insulating part, the lifting screw is slidably arranged on the fixing seat, and the axial direction of the lifting screw and the sliding direction of the lifting screw are the same as the axial direction of the insulating part
  • the end of the lifting screw away from the insulating part is provided with a clamping part
  • the second bevel gear is rotatably arranged on the fixing seat, and the shaft center of the second bevel gear is provided with a screw hole, so The screw hole is matched with
  • the pin insulator is fixed on the cross arm through the first connecting part, and when the second connecting part needs to connect the wire, the rotating rod is rotated to drive the first bevel gear to rotate, The first bevel gear drives the second bevel gear to rotate, the second bevel gear rotates to drive the lifting screw to rise, and the locking block at the end of the lifting screw far from the insulating part abuts the outer surface of the wire and pushes up the wire, so as to realize the lifting of the wire.
  • the lifting screw is lowered by rotating the rotating rod in the reverse direction, so as to realize the disassembly of the second connecting part and the wire, so that the application only needs to rotate the rotating rod to realize the connection between the pin insulator and the wire.
  • wire winding which improves the efficiency of installation and disassembly.
  • manual operation does not need to be close to the wire.
  • the rotating rod can be rotated by the appliance, which improves safety, is conducive to live work, and solves the problem of current problems.
  • Some pin-type insulators need to be wound and fixed with steel wires for connection with wires, which requires more work time for winding and fixing, which increases the labor intensity of operators, is not conducive to live work, and has certain dangerous technical problems.
  • FIG. 1 is a schematic structural diagram of a pin-type insulator provided by an embodiment of the application.
  • FIG. 2 is a schematic diagram of a partial structure of the pin-type insulator provided by the embodiment of the present application.
  • the reference signs are: insulating part 1, first connecting part 2, second connecting part 3, lifting screw 4, rotating rod 5, fixing seat 6, first bevel gear 7, second bevel gear 8, clamping part 9. Nut 10, insulating mandrel 11, insulating shed 12.
  • the terms “installed”, “connected” and “connected” should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or an internal connection between two components.
  • installed should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or an internal connection between two components.
  • FIG. 1 is a schematic structural diagram of a pin insulator provided by an embodiment of the present application
  • FIG. 2 is a partial structural schematic diagram of the pin insulator provided by an embodiment of the present application.
  • the present application provides a pin-type insulator, comprising: an insulating part 1, a first connecting part 2 and a second connecting part 3;
  • the first connecting part 2 and the second connecting part 3 are respectively arranged at both ends of the insulating part 1, the first connecting part 2 is used for connecting the cross arm, and the second connecting part 3 is used for connecting the wires;
  • the second connecting part 3 includes a lifting screw 4, a rotating rod 5, a fixed seat 6, a first bevel gear 7 and a second bevel gear 8;
  • the fixed seat 6 is fixedly arranged on the top of the insulating part 1, the lifting screw 4 is slidably arranged on the fixing seat 6, the axial direction of the lifting screw 4 and the sliding direction of the lifting screw 4 are in the same direction as the axial direction of the insulating part 1, and the lifting screw 4
  • One end away from the insulating part 1 is provided with a clamping part 9;
  • the second bevel gear 8 is rotatably arranged on the fixed seat 6, the shaft center of the second bevel gear 8 is provided with a screw hole, and the screw hole is matched with the lifting screw 4;
  • the rotating rod 5 is rotatably arranged on the fixed seat 6 , and one end of the rotating rod 5 close to the lifting screw 4 is fixedly connected with the first bevel gear 7 , and the first bevel gear 7 is meshed with the second bevel gear 8 .
  • first connecting part 2 is arranged on the lower end of the insulating part 1, and the second connecting part 3 is arranged on the upper end of the insulating part 1, which can also be reversed.
  • the first connecting part 2 is used to connect the cross arm, so that the needle type
  • the insulator is fixed on the cross arm
  • the second connecting part 3 is used to connect the wire, so that the wire is fixed on the pin insulator.
  • the second connecting part 3 includes a lifting screw 4, a rotating rod 5, a fixing seat 6, a first bevel gear 7 and a second bevel gear 8.
  • the fixing seat 6 is fixedly arranged on the top of the insulating cloth, and the lifting screw 4 is slidingly arranged on the fixing seat 6 and the axial direction of the lifting screw 4 and the sliding direction of the lifting screw 4 are the same as the axial direction of the insulating part 1 , so that the lifting screw 4 can slide up and down along its own axis, and the limit block can be set on the fixed seat 6 , a limit slot is set in the lift screw 4, so that the limit block and the limit slot are matched in the direction, so as to limit the sliding of the lift screw 4 and prevent the lift screw 4 from rotating;
  • One end is provided with a catch portion 9, the catch portion 9 can be a catch slot, the catch portion 9 is matched with the guide, so that the wire can be clamped in the catch portion 9, and the material of the catch portion 9 can be Insulation Materials;
  • the second bevel gear 8 is rotatably arranged on the fixing seat 6 , specifically, the fixing seat 6 is provided with an accommodating groove for accommodating the second bevel gear 8 , and the second bevel gear 8 can be placed in the accommodating groove so that the second bevel gear 8 can rotate around its own axis, and the second bevel gear 8 is prevented from sliding up and down, and the up and down sliding of the second bevel gear 8 is limited; the shaft center of the second bevel gear 8 is provided with a screw
  • the screw hole and the screw hole are matched with the lifting screw 4, so that when the second bevel gear 8 is rotated, the lifting screw 4 can rise or fall along its own axial direction under the cooperation of the lifting screw 4 and the screw hole, so that the locking part 9. Jack up the wire or loosen the wire.
  • the helix angle of the lifting screw 4 can be designed to have a self-locking function through calculation, so that after the second bevel gear 8 is rotated to lift the lifting screw 4 to lift the wire, stop the Even in the state where the two bevel gear 8 is biased, the lift screw 4 is not pressed down by the wire.
  • the rotating rod 5 is rotatably arranged on the fixed seat 6, so that the rotating rod 5 can rotate around its own axis, and the end of the rotating rod 5 close to the lifting screw 4 is fixedly connected with the first bevel gear 7, the first bevel gear 7 and the second bevel gear 7 8 meshing, the axial direction of the rotating rod 5 is perpendicular to the axial direction of the lifting screw 4, and the axial direction of the rotating rod 5 is in the horizontal direction.
  • the pin insulator In the pin insulator provided by the present application, the pin insulator is fixed on the cross arm through the first connecting part 2, and when the second connecting part 3 needs to be connected to the wire, the rotating rod 5 is rotated so that the rotating rod 5 drives the first
  • the bevel gear 7 rotates
  • the first bevel gear 7 drives the second bevel gear 8 to rotate
  • the second bevel gear 8 rotates to drive the lifting screw 4 to rise
  • the locking block at one end of the lifting screw 4 away from the insulating part 1 is in contact with the outer surface of the wire Connect and jack up the wire, so as to fix the wire.
  • the lifting screw 4 is lowered by rotating the rotating rod 5 in the opposite direction, so as to realize the disassembly of the second connection part 3 and the wire. It is necessary to rotate the rotating rod 5 to realize the disassembly and installation of the pin insulator to the wire, without the need for wire winding, which improves the installation and disassembly efficiency. It can improve safety, is conducive to live work, and solves the problem that the connection between the existing pin insulator and the wire needs to be fixed by wire winding, which requires more work time for winding and fixing, which increases the labor intensity of operators. And it is not conducive to live work, and has certain dangerous technical problems.
  • the length of the insulating portion 1 of the pin-type insulator provided in the embodiment of the present application is 400mm, and by increasing the length of the insulator to 400mm, the pin-type insulator can meet the requirements of the "Safety Work Regulations for the Electric Industry" for 10kV uninterrupted operation.
  • the minimum safety distance is 400mm, so that the pin insulator can be used for the live work of the wire, and the insulation performance is better.
  • the first connection part 2 is a fixed screw, and the fixed screw is matched with the nut, so that the pin insulator is fixedly connected to the cross arm.
  • the size of the screw can be ⁇ 16.
  • a nut 10 is fixed at one end of the connecting rod away from the lifting screw 4 , so that by rotating the nut 10 , the nut 10 drives the rotating rod 5 to rotate.
  • a one-way wrench is also included.
  • the one-way wrench is matched with the nut 10. By using the one-way wrench, the operator can rotate the rotating rod 5 under the rotating rod 5, so that it is not necessary to surround the entire rotating rod. 5 Make it turn.
  • the one-way wrench is specifically an electric wrench, so that the use of the electric wrench makes it more convenient for the operator to rotate the rotating rod 5 .
  • the outside of the one-way wrench is covered with an insulating sleeve, which is beneficial to improve the insulating performance of the wrench and make the operation safer.
  • the insulating part 1 includes an insulating mandrel 11 and an insulating shed 12 , wherein the insulating mandrel 11 is a solid structure, which is beneficial to improve the rigidity and insulating performance of the insulating part 1 .

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  • Electric Cable Installation (AREA)
  • Insulators (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)

Abstract

A pin insulator, comprising: an insulating portion, a first connecting portion, and a second connecting portion. The first connecting portion is used for connecting a cross arm, and the second connecting portion is used for connecting a wire; the second connecting portion comprises a lifting screw rod, a rotating rod, a fixed base, a first bevel gear, and a second bevel gear; the lifting screw rod is slidably provided on the fixed base, both the axial direction and the sliding direction of the lifting screw rod are in the same direction as the axial direction of the insulating portion; the second bevel gear is rotatably provided on the fixed base, and a screw hole is provided in the axis of the second bevel gear; the rotating rod is rotatably provided on the fixed base, the end of the rotating rod close to the lifting screw rod is fixedly connected to the first bevel gear, and the first bevel gear is meshed with the second bevel gear. The present application solves the technical problems that the connection between existing pin insulators and wires requires winding and fixing using a steel wire, and long working time is required for winding and fixing, causing an increase in the labour intensity of working personnel, inconvenience in live-line working, and a certain risk.

Description

一种针式绝缘子a pin insulator
本申请要求于2020年12月8日提交中国专利局、申请号为202011422630.X、发明名称为“一种针式绝缘子”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。This application claims the priority of the Chinese patent application with the application number 202011422630.X and the invention name "A pin-type insulator" filed with the China Patent Office on December 8, 2020, the entire contents of which are incorporated into this application by reference .
技术领域technical field
本申请涉及电力设备技术领域,尤其涉及一种针式绝缘子。The present application relates to the technical field of power equipment, and in particular, to a pin-type insulator.
背景技术Background technique
现有的针式绝缘子其与导线的连接需要采用钢丝缠绕固定,缠绕固定所需要的作业时间较多,增加了作业人员的劳动强度,且不利于带电作业,具有一定的危险性。The connection between the existing pin insulator and the wire needs to be fixed by wire winding, which requires more operation time for winding and fixing, which increases the labor intensity of the operator, is not conducive to live work, and has certain dangers.
发明内容SUMMARY OF THE INVENTION
本申请的目的在于提供一种针式绝缘子,解决现有的针式绝缘子其与导线的连接需要采用钢丝缠绕固定,缠绕固定所需要的作业时间较多,增加了作业人员的劳动强度,且不利于带电作业,具有一定的危险性的技术问题。The purpose of the present application is to provide a pin insulator, which solves the problem that the connection between the existing pin insulator and the wire needs to be fixed by wire winding, which requires more work time for winding and fixing, which increases the labor intensity of the operator, and does not It is beneficial to live work, but has certain dangerous technical problems.
有鉴于此,本申请提供了一种针式绝缘子,包括:绝缘部、第一连接部和第二连接部;In view of this, the present application provides a pin insulator, comprising: an insulating part, a first connecting part and a second connecting part;
所述第一连接部和所述第二连接部分别设置于所述绝缘部的两端,所述第一连接部用于连接横担,所述第二连接部用于连接导线;The first connecting part and the second connecting part are respectively arranged at two ends of the insulating part, the first connecting part is used for connecting the cross arm, and the second connecting part is used for connecting the wire;
所述第二连接部包括升降螺杆、转动杆、固定座、第一锥齿轮和第二锥齿轮;The second connection part includes a lifting screw, a rotating rod, a fixed seat, a first bevel gear and a second bevel gear;
所述固定座固定设置于所述绝缘部的顶端,所述升降螺杆滑动设置于所述固定座上,所述升降螺杆的轴向和所述升降螺杆的滑动方向均与所述绝缘部的轴向同向,所述升降螺杆远离于所述绝缘部的一端设置有卡位部;The fixing seat is fixedly arranged on the top end of the insulating portion, the lifting screw is slidably arranged on the fixing seat, and the axial direction of the lifting screw and the sliding direction of the lifting screw are both the axis of the insulating portion. In the same direction, a clamping part is provided at one end of the lifting screw away from the insulating part;
所述第二锥齿轮转动设置于所述固定座上,所述第二锥齿轮的轴心开设有螺孔,所述螺孔与所述升降螺杆相配合;The second bevel gear is rotatably arranged on the fixing seat, the shaft center of the second bevel gear is provided with a screw hole, and the screw hole is matched with the lifting screw;
所述转动杆转动设置于所述固定座上,所述转动杆靠近于所述升降螺杆的一端与所述第一锥齿轮固定连接,所述第一锥齿轮与所述第二锥齿轮相啮合。The rotating rod is rotatably arranged on the fixed seat, and one end of the rotating rod close to the lifting screw is fixedly connected with the first bevel gear, and the first bevel gear is meshed with the second bevel gear .
进一步的,所述绝缘部的长度为400mm。Further, the length of the insulating portion is 400mm.
进一步的,所述第一连接部为固定螺杆。Further, the first connecting part is a fixed screw.
进一步的,所述连接杆远离于所述升降螺杆的一端固定设置有螺帽。Further, a nut is fixedly provided at one end of the connecting rod away from the lifting screw.
进一步的,还包括单向扳手;Further, it also includes a one-way wrench;
所述单向扳手与所述螺帽相配合。The one-way wrench is matched with the nut.
进一步的,所述单向扳手具体为电动扳手。Further, the one-way wrench is specifically an electric wrench.
进一步的,所述单向扳手的尾端连接有手握杆。Further, a handle bar is connected to the tail end of the one-way wrench.
进一步的,所述单向扳手的外部包覆有绝缘套。Further, the outside of the one-way wrench is covered with an insulating sleeve.
进一步的,所述绝缘部包括绝缘芯棒和绝缘伞裙;Further, the insulating part includes an insulating mandrel and an insulating shed;
所述绝缘伞裙环绕设置于所述绝缘芯棒的外部。The insulating shed is arranged around the outside of the insulating mandrel.
进一步的,所述绝缘芯棒为实心结构。Further, the insulating mandrel is a solid structure.
与现有技术相比,本申请实施例的优点在于:Compared with the prior art, the advantages of the embodiments of the present application are:
本申请提供了一种针式绝缘子,包括:绝缘部、第一连接部和第二连接部;所述第一连接部和所述第二连接部分别设置于所述绝缘部的两端,所述第一连接部用于连接横担,所述第二连接部用于连接导线;所述第二连接部包括升降螺杆、转动杆、固定座、第一锥齿轮和第二锥齿轮;所述固定座固定设置于所述绝缘部的顶端,所述升降螺杆滑动设置于所述固定座上,所述升降螺杆的轴向和所述升降螺杆的滑动方向均与所述绝缘部的轴向同向,所述升降螺杆远离于所述绝缘部的一端设置有卡位部;所述第二锥齿轮转动设置于所述固定座上,所述第二锥齿轮的轴心开设有螺孔,所述螺孔与所述升降螺杆相配合;所述转动杆转动设置于所述固定座上,所述转动杆靠近于所述升降螺杆的一端与所述第一锥齿轮固定连接,所述第一锥齿轮与所述第二锥齿轮相啮合。The present application provides a pin-type insulator, comprising: an insulating part, a first connecting part and a second connecting part; the first connecting part and the second connecting part are respectively arranged at both ends of the insulating part, so The first connection part is used to connect the cross arm, the second connection part is used to connect the wire; the second connection part includes a lifting screw, a rotating rod, a fixed seat, a first bevel gear and a second bevel gear; the The fixing seat is fixedly arranged on the top end of the insulating part, the lifting screw is slidably arranged on the fixing seat, and the axial direction of the lifting screw and the sliding direction of the lifting screw are the same as the axial direction of the insulating part The end of the lifting screw away from the insulating part is provided with a clamping part; the second bevel gear is rotatably arranged on the fixing seat, and the shaft center of the second bevel gear is provided with a screw hole, so The screw hole is matched with the lifting screw; the rotating rod is rotatably arranged on the fixed seat, and one end of the rotating rod close to the lifting screw is fixedly connected with the first bevel gear, and the first A bevel gear meshes with the second bevel gear.
本申请所提供的针式绝缘子,通过第一连接部使针式绝缘子固定与横担上,在需要使第二连接部连接导线时,通过转动转动杆,使转动杆带动第一锥齿轮转动,第一锥齿轮带动第二锥齿轮转动,第二锥齿轮转动带动 升降螺杆上升,升降螺杆远离于绝缘部的一端的卡位块与导线的外表面相抵接并顶起导线,从而实现对导线进行固定,在需要拆卸导线时,通过反向转动转动杆,使得升降螺杆下降,从而实现对第二连接部与导线的拆卸,从而本申请只需转动转动杆,便可实现针式绝缘子对导线的拆卸与安装,无需再采用钢丝缠绕,提高了安装和拆卸效率的同时,人工无需靠近导线进行直接操作,而是通过器具转动转动杆便可,提高了安全性,有利于带电作业,解决了现有的针式绝缘子其与导线的连接需要采用钢丝缠绕固定,缠绕固定所需要的作业时间较多,增加了作业人员的劳动强度,且不利于带电作业,具有一定的危险性的技术问题。In the pin insulator provided by the present application, the pin insulator is fixed on the cross arm through the first connecting part, and when the second connecting part needs to connect the wire, the rotating rod is rotated to drive the first bevel gear to rotate, The first bevel gear drives the second bevel gear to rotate, the second bevel gear rotates to drive the lifting screw to rise, and the locking block at the end of the lifting screw far from the insulating part abuts the outer surface of the wire and pushes up the wire, so as to realize the lifting of the wire. Fixing, when the wire needs to be disassembled, the lifting screw is lowered by rotating the rotating rod in the reverse direction, so as to realize the disassembly of the second connecting part and the wire, so that the application only needs to rotate the rotating rod to realize the connection between the pin insulator and the wire. For disassembly and installation, there is no need to use wire winding, which improves the efficiency of installation and disassembly. At the same time, manual operation does not need to be close to the wire. Instead, the rotating rod can be rotated by the appliance, which improves safety, is conducive to live work, and solves the problem of current problems. Some pin-type insulators need to be wound and fixed with steel wires for connection with wires, which requires more work time for winding and fixing, which increases the labor intensity of operators, is not conducive to live work, and has certain dangerous technical problems.
附图说明Description of drawings
为了更清楚地说明本申请具体实施方式或现有技术中的技术方案,下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图是本申请的一些实施方式,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the accompanying drawings that need to be used in the description of the specific embodiments or the prior art will be briefly introduced below. The drawings are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.
图1为本申请实施例所提供的针式绝缘子的结构示意图;1 is a schematic structural diagram of a pin-type insulator provided by an embodiment of the application;
图2为本申请实施例所提供的针式绝缘子的局部结构简图。FIG. 2 is a schematic diagram of a partial structure of the pin-type insulator provided by the embodiment of the present application.
其中,附图标记为:绝缘部1、第一连接部2、第二连接部3、升降螺杆4、转动杆5、固定座6、第一锥齿轮7、第二锥齿轮8、卡位部9、螺帽10、绝缘芯棒11、绝缘伞裙12。Among them, the reference signs are: insulating part 1, first connecting part 2, second connecting part 3, lifting screw 4, rotating rod 5, fixing seat 6, first bevel gear 7, second bevel gear 8, clamping part 9. Nut 10, insulating mandrel 11, insulating shed 12.
具体实施方式Detailed ways
下面将结合附图对本申请的技术方案进行清楚、完整地描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。The technical solutions of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.
在本申请的描述中,需要说明的是,术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所 示的方位或位置关系,仅是为了便于描述本申请和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本申请的限制。此外,术语“第一”、“第二”、“第三”仅用于描述目的,而不能理解为指示或暗示相对重要性。In the description of this application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limitations on this application. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.
除非另有明确的规定和限定,术语“安装”、“相连”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本申请中的具体含义。Unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.
为了便于理解,请参阅图1和图2,图1为本申请实施例所提供的针式绝缘子的结构示意图;图2为本申请实施例所提供的针式绝缘子的局部结构简图。For easy understanding, please refer to FIG. 1 and FIG. 2 . FIG. 1 is a schematic structural diagram of a pin insulator provided by an embodiment of the present application; and FIG. 2 is a partial structural schematic diagram of the pin insulator provided by an embodiment of the present application.
本申请提供一种针式绝缘子,包括:绝缘部1、第一连接部2和第二连接部3;The present application provides a pin-type insulator, comprising: an insulating part 1, a first connecting part 2 and a second connecting part 3;
第一连接部2和第二连接部3分别设置于绝缘部1的两端,第一连接部2用于连接横担,第二连接部3用于连接导线;The first connecting part 2 and the second connecting part 3 are respectively arranged at both ends of the insulating part 1, the first connecting part 2 is used for connecting the cross arm, and the second connecting part 3 is used for connecting the wires;
第二连接部3包括升降螺杆4、转动杆5、固定座6、第一锥齿轮7和第二锥齿轮8;The second connecting part 3 includes a lifting screw 4, a rotating rod 5, a fixed seat 6, a first bevel gear 7 and a second bevel gear 8;
固定座6固定设置于绝缘部1的顶端,升降螺杆4滑动设置于固定座6上,升降螺杆4的轴向和升降螺杆4的滑动方向均与绝缘部1的轴向同向,升降螺杆4远离于绝缘部1的一端设置有卡位部9;The fixed seat 6 is fixedly arranged on the top of the insulating part 1, the lifting screw 4 is slidably arranged on the fixing seat 6, the axial direction of the lifting screw 4 and the sliding direction of the lifting screw 4 are in the same direction as the axial direction of the insulating part 1, and the lifting screw 4 One end away from the insulating part 1 is provided with a clamping part 9;
第二锥齿轮8转动设置于固定座6上,第二锥齿轮8的轴心开设有螺孔,螺孔与升降螺杆4相配合;The second bevel gear 8 is rotatably arranged on the fixed seat 6, the shaft center of the second bevel gear 8 is provided with a screw hole, and the screw hole is matched with the lifting screw 4;
转动杆5转动设置于固定座6上,转动杆5靠近于升降螺杆4的一端与第一锥齿轮7固定连接,第一锥齿轮7与第二锥齿轮8相啮合。The rotating rod 5 is rotatably arranged on the fixed seat 6 , and one end of the rotating rod 5 close to the lifting screw 4 is fixedly connected with the first bevel gear 7 , and the first bevel gear 7 is meshed with the second bevel gear 8 .
需要说明的是,第一连接部2设置于绝缘部1的下端,第二连接部3设置于绝缘部1的上端,也可相互颠倒,第一连接部2用于连接横担,使得针式绝缘子固定于横担上,第二连接部3用于连接导线,使得导线固定与针式绝缘子上。It should be noted that the first connecting part 2 is arranged on the lower end of the insulating part 1, and the second connecting part 3 is arranged on the upper end of the insulating part 1, which can also be reversed. The first connecting part 2 is used to connect the cross arm, so that the needle type The insulator is fixed on the cross arm, and the second connecting part 3 is used to connect the wire, so that the wire is fixed on the pin insulator.
第二连接部3包括升降螺杆4、转动杆5、固定座6、第一锥齿轮7和第二锥齿轮8,固定座6固定设置于绝缘布的顶端,升降螺杆4滑动设置于固定座6上,且升降螺杆4的轴向和升降螺杆4的滑动方向均与绝缘部1的轴向相同,从而使得升降螺杆4可沿自身轴向上下滑动,且可通过在固定座6设置限位块,在升降螺杆4开设限位槽,使得限位块与限位槽向匹配,从而对升降螺杆4的滑动进行限位,并避免升降螺杆4自身发生转动;升降螺杆4原理与绝缘部1的一端设置有卡位部9,卡位部9具体可为卡位槽,该卡位部9与导向相匹配,使导线可夹设于该卡位部9中,卡位部9的材料可为绝缘材料;The second connecting part 3 includes a lifting screw 4, a rotating rod 5, a fixing seat 6, a first bevel gear 7 and a second bevel gear 8. The fixing seat 6 is fixedly arranged on the top of the insulating cloth, and the lifting screw 4 is slidingly arranged on the fixing seat 6 and the axial direction of the lifting screw 4 and the sliding direction of the lifting screw 4 are the same as the axial direction of the insulating part 1 , so that the lifting screw 4 can slide up and down along its own axis, and the limit block can be set on the fixed seat 6 , a limit slot is set in the lift screw 4, so that the limit block and the limit slot are matched in the direction, so as to limit the sliding of the lift screw 4 and prevent the lift screw 4 from rotating; One end is provided with a catch portion 9, the catch portion 9 can be a catch slot, the catch portion 9 is matched with the guide, so that the wire can be clamped in the catch portion 9, and the material of the catch portion 9 can be Insulation Materials;
第二锥齿轮8转动设置于固定座6上,具体为固定座6上设置有可容置该第二锥齿轮8的容置槽,且该使得第二锥齿轮8可放置于该容置槽中,从而使得第二锥齿轮8可绕自身轴向转动,且避免第二锥齿轮8上下滑动,对第二锥齿轮8的上下滑动进行限位;第二锥齿轮8的轴心开设有螺孔,螺孔与升降螺杆4相匹配,从而在转动第二锥齿轮8时,在升降螺杆4与螺孔的配合下,使得升降螺杆4可沿自身轴向上升或下降,从而使卡位部9顶起导线或放松导线,进一步的,升降螺杆4的螺旋升角可通过计算设计使其具有自锁功能,从而在转动第二锥齿轮8使升降螺杆4上升顶起导线后,停止对第二锥齿轮8施力的状态下升降螺杆4也不会受到导线的压迫而下降。The second bevel gear 8 is rotatably arranged on the fixing seat 6 , specifically, the fixing seat 6 is provided with an accommodating groove for accommodating the second bevel gear 8 , and the second bevel gear 8 can be placed in the accommodating groove so that the second bevel gear 8 can rotate around its own axis, and the second bevel gear 8 is prevented from sliding up and down, and the up and down sliding of the second bevel gear 8 is limited; the shaft center of the second bevel gear 8 is provided with a screw The screw hole and the screw hole are matched with the lifting screw 4, so that when the second bevel gear 8 is rotated, the lifting screw 4 can rise or fall along its own axial direction under the cooperation of the lifting screw 4 and the screw hole, so that the locking part 9. Jack up the wire or loosen the wire. Further, the helix angle of the lifting screw 4 can be designed to have a self-locking function through calculation, so that after the second bevel gear 8 is rotated to lift the lifting screw 4 to lift the wire, stop the Even in the state where the two bevel gear 8 is biased, the lift screw 4 is not pressed down by the wire.
转动杆5转动设置于固定座6上,使得转动杆5可绕自身轴线转动,转动杆5靠近于升降螺杆4的一端与第一锥齿轮7固定连接,第一锥齿轮7与第二锥齿轮8啮合,转动杆5的轴向与升降螺杆4的轴向相垂直,及转动杆5的轴向为沿水平方向。The rotating rod 5 is rotatably arranged on the fixed seat 6, so that the rotating rod 5 can rotate around its own axis, and the end of the rotating rod 5 close to the lifting screw 4 is fixedly connected with the first bevel gear 7, the first bevel gear 7 and the second bevel gear 7 8 meshing, the axial direction of the rotating rod 5 is perpendicular to the axial direction of the lifting screw 4, and the axial direction of the rotating rod 5 is in the horizontal direction.
本申请所提供的针式绝缘子,通过第一连接部2使针式绝缘子固定与横担上,在需要使第二连接部3连接导线时,通过转动转动杆5,使转动杆5带动第一锥齿轮7转动,第一锥齿轮7带动第二锥齿轮8转动,第二锥齿轮8转动带动升降螺杆4上升,升降螺杆4远离于绝缘部1的一端的卡位块与导线的外表面相抵接并顶起导线,从而实现对导线进行固定,在需要拆卸导线时,通过反向转动转动杆5,使得升降螺杆4下降,从而实 现对第二连接部3与导线的拆卸,从而本申请只需转动转动杆5,便可实现针式绝缘子对导线的拆卸与安装,无需再采用钢丝缠绕,提高了安装和拆卸效率的同时,人工无需靠近导线进行直接操作,而是通过器具转动转动杆5便可,提高了安全性,有利于带电作业,解决了现有的针式绝缘子其与导线的连接需要采用钢丝缠绕固定,缠绕固定所需要的作业时间较多,增加了作业人员的劳动强度,且不利于带电作业,具有一定的危险性的技术问题。In the pin insulator provided by the present application, the pin insulator is fixed on the cross arm through the first connecting part 2, and when the second connecting part 3 needs to be connected to the wire, the rotating rod 5 is rotated so that the rotating rod 5 drives the first The bevel gear 7 rotates, the first bevel gear 7 drives the second bevel gear 8 to rotate, the second bevel gear 8 rotates to drive the lifting screw 4 to rise, and the locking block at one end of the lifting screw 4 away from the insulating part 1 is in contact with the outer surface of the wire Connect and jack up the wire, so as to fix the wire. When the wire needs to be disassembled, the lifting screw 4 is lowered by rotating the rotating rod 5 in the opposite direction, so as to realize the disassembly of the second connection part 3 and the wire. It is necessary to rotate the rotating rod 5 to realize the disassembly and installation of the pin insulator to the wire, without the need for wire winding, which improves the installation and disassembly efficiency. It can improve safety, is conducive to live work, and solves the problem that the connection between the existing pin insulator and the wire needs to be fixed by wire winding, which requires more work time for winding and fixing, which increases the labor intensity of operators. And it is not conducive to live work, and has certain dangerous technical problems.
作为进一步的改进,本申请实施例所提供的针式绝缘子的绝缘部1的长度为400mm,通过将绝缘子的长度增长至400mm,使得针式绝缘子符合《电业安全工作规程》中10kV不停电作业最小安全距离400mm的要求,从而针式绝缘子可用于导线的带电作业,且绝缘性能更佳。As a further improvement, the length of the insulating portion 1 of the pin-type insulator provided in the embodiment of the present application is 400mm, and by increasing the length of the insulator to 400mm, the pin-type insulator can meet the requirements of the "Safety Work Regulations for the Electric Industry" for 10kV uninterrupted operation. The minimum safety distance is 400mm, so that the pin insulator can be used for the live work of the wire, and the insulation performance is better.
进一步的,第一连接部2为固定螺杆,固定螺杆与螺母配合,使得针式绝缘子固定连接与横担上。螺杆的尺寸可为Φ16。Further, the first connection part 2 is a fixed screw, and the fixed screw is matched with the nut, so that the pin insulator is fixedly connected to the cross arm. The size of the screw can be Φ16.
进一步的,连接杆远离于升降螺杆4的一端固定设置有螺帽10,从而通过转动螺帽10,使螺帽10带动转动杆5转动。Further, a nut 10 is fixed at one end of the connecting rod away from the lifting screw 4 , so that by rotating the nut 10 , the nut 10 drives the rotating rod 5 to rotate.
进一步的,还包括单向扳手,单向扳手与螺帽10相配合,通过采用单向扳手,使得作业人员可在转动杆5的下方实现对转动杆5的转动,从而无需环绕整条转动杆5使其转动。Further, a one-way wrench is also included. The one-way wrench is matched with the nut 10. By using the one-way wrench, the operator can rotate the rotating rod 5 under the rotating rod 5, so that it is not necessary to surround the entire rotating rod. 5 Make it turn.
进一步的,单向扳手具体为电动扳手,从而通过采用电动扳手使得作业人员对转动杆5的转动更加方便。Further, the one-way wrench is specifically an electric wrench, so that the use of the electric wrench makes it more convenient for the operator to rotate the rotating rod 5 .
进一步的,单向扳手的外部包覆有绝缘套,从而有利于提高扳手的绝缘性能,使得作业更加安全。Further, the outside of the one-way wrench is covered with an insulating sleeve, which is beneficial to improve the insulating performance of the wrench and make the operation safer.
进一步的,绝缘部1包括绝缘芯棒11和绝缘伞裙12,其中绝缘芯棒11为实心结构,有利于提高绝缘部1的刚性和绝缘性能。Further, the insulating part 1 includes an insulating mandrel 11 and an insulating shed 12 , wherein the insulating mandrel 11 is a solid structure, which is beneficial to improve the rigidity and insulating performance of the insulating part 1 .
以上各实施例仅用以说明本申请的技术方案,而非对其限制;尽管参照前述各实施例对本申请进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分或者全部技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本申请各实施例技术方案的范围。The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the above-mentioned embodiments, those of ordinary skill in the art should understand that: it is still possible to implement the above-mentioned implementations. The technical solutions described in the examples are modified, or some or all of the technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

  1. 一种针式绝缘子,其特征在于,包括:绝缘部、第一连接部和第二连接部;A pin-type insulator, characterized by comprising: an insulating part, a first connecting part and a second connecting part;
    所述第一连接部和所述第二连接部分别设置于所述绝缘部的两端,所述第一连接部用于连接横担,所述第二连接部用于连接导线;The first connecting part and the second connecting part are respectively arranged at two ends of the insulating part, the first connecting part is used for connecting the cross arm, and the second connecting part is used for connecting the wire;
    所述第二连接部包括升降螺杆、转动杆、固定座、第一锥齿轮和第二锥齿轮;The second connection part includes a lifting screw, a rotating rod, a fixed seat, a first bevel gear and a second bevel gear;
    所述固定座固定设置于所述绝缘部的顶端,所述升降螺杆滑动设置于所述固定座上,所述升降螺杆的轴向和所述升降螺杆的滑动方向均与所述绝缘部的轴向同向,所述升降螺杆远离于所述绝缘部的一端设置有卡位部;The fixing seat is fixedly arranged on the top end of the insulating portion, the lifting screw is slidably arranged on the fixing seat, and the axial direction of the lifting screw and the sliding direction of the lifting screw are both the axis of the insulating portion. In the same direction, a clamping part is provided at one end of the lifting screw away from the insulating part;
    所述第二锥齿轮转动设置于所述固定座上,所述第二锥齿轮的轴心开设有螺孔,所述螺孔与所述升降螺杆相配合;The second bevel gear is rotatably arranged on the fixing seat, the shaft center of the second bevel gear is provided with a screw hole, and the screw hole is matched with the lifting screw;
    所述转动杆转动设置于所述固定座上,所述转动杆靠近于所述升降螺杆的一端与所述第一锥齿轮固定连接,所述第一锥齿轮与所述第二锥齿轮相啮合。The rotating rod is rotatably arranged on the fixed seat, and one end of the rotating rod close to the lifting screw is fixedly connected with the first bevel gear, and the first bevel gear is meshed with the second bevel gear .
  2. 根据权利要求1所述的针式绝缘子,其特征在于,所述绝缘部的长度为400mm。The pin insulator according to claim 1, wherein the length of the insulating portion is 400 mm.
  3. 根据权利要求1所述的针式绝缘子,其特征在于,所述第一连接部为固定螺杆。The pin insulator according to claim 1, wherein the first connection part is a fixed screw.
  4. 根据权利要求1所述的针式绝缘子,其特征在于,所述连接杆远离于所述升降螺杆的一端固定设置有螺帽。The pin-type insulator according to claim 1, wherein a nut is fixedly provided at one end of the connecting rod away from the lifting screw.
  5. 根据权利要求4所述的针式绝缘子,其特征在于,还包括单向扳手;The pin-type insulator according to claim 4, further comprising a one-way wrench;
    所述单向扳手与所述螺帽相配合。The one-way wrench is matched with the nut.
  6. 根据权利要求5所述的针式绝缘子,其特征在于,所述单向扳手具体为电动扳手。The pin insulator according to claim 5, wherein the one-way wrench is specifically an electric wrench.
  7. 根据权利要求5或6所述的针式绝缘子,其特征在于,所述单向扳手的尾端连接有手握杆。The pin-type insulator according to claim 5 or 6, characterized in that a hand-grip rod is connected to the tail end of the one-way wrench.
  8. 根据权利要求5或6所述的针式绝缘子,其特征在于,所述单向扳手的外部包覆有绝缘套。The pin-type insulator according to claim 5 or 6, characterized in that, the outer part of the one-way wrench is covered with an insulating sleeve.
  9. 根据权利要求1所述的针式绝缘子,其特征在于,所述绝缘部包括绝缘芯棒和绝缘伞裙;The pin-type insulator according to claim 1, wherein the insulating part comprises an insulating mandrel and an insulating shed;
    所述绝缘伞裙环绕设置于所述绝缘芯棒的外部。The insulating shed is arranged around the outside of the insulating mandrel.
  10. 根据权利要求1所述的针式绝缘子,其特征在于,所述绝缘芯棒为实心结构。The pin-type insulator according to claim 1, wherein the insulating core rod is a solid structure.
PCT/CN2021/124353 2020-12-08 2021-10-18 Pin insulator WO2022121502A1 (en)

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CN202011422630.X 2020-12-08
CN202011422630.XA CN112614634A (en) 2020-12-08 2020-12-08 Pin insulator

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WO2022121502A1 true WO2022121502A1 (en) 2022-06-16

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CN112614634A (en) * 2020-12-08 2021-04-06 广西电网有限责任公司电力科学研究院 Pin insulator

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106654985A (en) * 2016-11-16 2017-05-10 国网浙江桐乡市供电公司 Linear pole lifting pulley
KR101955155B1 (en) * 2018-07-11 2019-03-06 대원전기 주식회사 Uninterruptible power method and Indirect live lifting device for Electronic pole for power line
CN110768158A (en) * 2019-10-21 2020-02-07 贵州电网有限责任公司 Pin insulator replacement and installation auxiliary device
CN111162483A (en) * 2020-02-12 2020-05-15 广东电网有限责任公司电力科学研究院 Stress application replacing device for lead screw of insulator of angle steel cross arm
CN112614634A (en) * 2020-12-08 2021-04-06 广西电网有限责任公司电力科学研究院 Pin insulator

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160150077A (en) * 2016-12-09 2016-12-28 주식회사 성진 Jumper Insulator And Method
CN207381554U (en) * 2017-10-21 2018-05-18 南京聚联输变电安装有限责任公司 A kind of drop bar
CN207624465U (en) * 2017-12-28 2018-07-17 宋佳琪 Insulator for ultra-high-tension power transmission line
CN208077695U (en) * 2018-05-12 2018-11-09 石家庄奥特斯电力器材有限公司 A kind of compound needle type insulator
CN209015792U (en) * 2018-12-29 2019-06-21 佛山环球电力设备有限公司 A kind of Novel post insulator
CN209805374U (en) * 2019-05-17 2019-12-17 国家电网有限公司 Insulating fixing device is used in installation of high-voltage cable
CN210074201U (en) * 2019-05-23 2020-02-14 云南电网有限责任公司昆明供电局 Grounding wire assembling combination tool with special-shaped wire clamp
CN210326220U (en) * 2019-08-01 2020-04-14 广东电网有限责任公司 Novel dismantlement formula earthing device
CN211788383U (en) * 2020-05-26 2020-10-27 萍乡市永佳电瓷有限公司 Lightning protection type porcelain insulator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106654985A (en) * 2016-11-16 2017-05-10 国网浙江桐乡市供电公司 Linear pole lifting pulley
KR101955155B1 (en) * 2018-07-11 2019-03-06 대원전기 주식회사 Uninterruptible power method and Indirect live lifting device for Electronic pole for power line
CN110768158A (en) * 2019-10-21 2020-02-07 贵州电网有限责任公司 Pin insulator replacement and installation auxiliary device
CN111162483A (en) * 2020-02-12 2020-05-15 广东电网有限责任公司电力科学研究院 Stress application replacing device for lead screw of insulator of angle steel cross arm
CN112614634A (en) * 2020-12-08 2021-04-06 广西电网有限责任公司电力科学研究院 Pin insulator

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