CN113872111B

CN113872111B - Insulator replacement tool

Info

Publication number: CN113872111B
Application number: CN202111374414.7A
Authority: CN
Inventors: 潘斌; 黄同新; 杨芳; 尹文阔; 李振宇; 霍俊豪; 段壮壮
Original assignee: Guangdong Power Grid Co Ltd; Qingyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Qingyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2023-04-07
Anticipated expiration: 2041-11-19
Also published as: CN113872111A

Abstract

The invention belongs to the technical field of tools for overhauling and maintaining a power transmission circuit and discloses an insulator replacing tool. The insulator replacement tool comprises a first supporting piece, a second supporting piece and an adjusting component, wherein the first supporting piece is provided with a first limiting part which can be sleeved on an insulator; the second supporting piece is arranged opposite to the first supporting piece, a second limiting part is arranged on the second supporting piece, the first limiting part and the second limiting part are arranged oppositely, and the second limiting part can be sleeved on the other insulator; the adjustment assembly connects the first support member and the second support member, and is adjustable to move the first support member toward the second support member. According to the insulator replacing tool provided by the invention, the first supporting piece and the second supporting piece are respectively abutted against the insulators on two adjacent sides of the insulator to be replaced by arranging the adjusting component, and the adjusting component is adjusted to enable the insulator to be replaced to be in a loose state, so that the insulator to be replaced can be taken down, the operation is simple, and the working efficiency is improved.

Description

Insulator replacement tool

Technical Field

The invention relates to the technical field of tools for overhauling and maintaining a power transmission circuit, in particular to an insulator replacing tool.

Background

The insulator is an important component of the power transmission line and is an indispensable insulating material for transmitting electric energy. When the transmission line is exposed in the field for a long time, the insulator in operation is damaged under the influence of the mechanical load of the change of the dead weight of the lead, wind power, ice and snow, environmental temperature and the like, and factors such as lightning stroke, attached dirt, external force damage and the like, so that the safe and stable operation of the transmission line is influenced. Therefore, the insulator is replaced for the main task of power line maintenance.

In the prior art, a ball head of an insulator is clamped into a groove at the end part of a bowl head of another insulator, so that a plurality of insulators are connected into an insulator string, two ends of the insulator string are respectively installed on a tripod, and two ends of the insulator string are under the action of tension provided by the tripod, so that the whole insulator string is in a tensioned state. The insulator string tightener is used for installing auxiliary cutters on fixing frames at two ends of an insulator string when the insulator is replaced, and the tightener tightens the cutters so as to enable the fixing frames at two ends of the insulator string to be relatively close to each other, take down the insulator string and replace the insulator needing to be replaced.

When the insulator is replaced by the tightener, the whole insulator string is often disassembled, the operation process is complex, physical power is consumed very much, a large amount of time is consumed frequently, and the work efficiency is reduced.

Disclosure of Invention

The invention aims to provide an insulator replacing tool which is used for replacing insulators and improving the working efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme:

an insulator replacement tool comprising:

the first supporting piece is provided with a first limiting part, and the first limiting part can be sleeved on the first insulator;

the second supporting piece is arranged opposite to the first supporting piece, a second limiting part is arranged on the second supporting piece, the first limiting part and the second limiting part are arranged oppositely, and the second limiting part can be sleeved on a second insulator;

and the adjusting assembly is connected with the first support and the second support, and the first support can move towards the second support by adjusting the adjusting assembly.

Optionally, the adjustment assembly comprises:

one end of the first adjusting piece is in threaded connection with the first supporting piece, and the other end of the first adjusting piece is fixedly connected with the second supporting piece;

the second adjusting piece is in transmission connection with the first adjusting piece and can drive the first adjusting piece to rotate by adjusting the second adjusting piece so that the first supporting piece moves towards the second supporting piece.

Optionally, the first adjusting part comprises two adjusting screws arranged in parallel, two ends of the first supporting part are screwed with one ends of the two adjusting screws, and a first transmission part is arranged at the other end of each adjusting screw;

the second adjusting piece comprises a connecting rod, the connecting rod is perpendicular to the adjusting screw, a second transmission piece in transmission connection with the first transmission piece is arranged on the connecting rod, and the connecting rod can be adjusted to drive the adjusting screw to rotate so that the first supporting piece moves towards the second supporting piece.

Optionally, the first transmission member comprises a worm gear, and the second transmission member comprises helical teeth extending in an axial direction of the connecting rod, the worm gear being engaged with the helical teeth.

Optionally, an accommodating cavity for accommodating the first transmission member is formed in the end portion of the second support member, and an avoiding opening for the transmission connection of the first transmission member and the worm is formed in the side wall of the accommodating cavity.

Optionally, the thread on the first adjustment member is a trapezoidal thread.

Optionally, the insulator replacement tool further comprises a first positioning sleeve, and the first positioning sleeve is clamped on the inner wall of the first limiting portion and can be sleeved on the ball head of the first insulator.

Optionally, the first positioning sleeve includes two first semi-ring positioning sleeves that are symmetrical to each other, and the two first semi-ring positioning sleeves can be buckled to each other to be sleeved on the ball head of the first insulator.

Optionally, the insulator replacement tool further comprises a second positioning sleeve, and the second positioning sleeve is clamped on the inner wall of the second limiting portion and can be sleeved on the ball head of the second insulator.

Optionally, at least one end of the second adjusting member is provided with an operating portion, and the operating portion is used for adjusting the second adjusting member.

The invention has the beneficial effects that: according to the insulator replacing tool provided by the invention, the adjusting component is arranged, so that the first supporting piece can move towards the second supporting piece, when the insulator is replaced, the first supporting piece and the second supporting piece are respectively abutted against the insulators on two adjacent sides of the insulator to be replaced, the adjusting component is adjusted, the first supporting piece moves towards the second supporting piece, the insulators on two adjacent sides are relatively tightened, the insulator to be replaced is in a loose state, and the insulator to be replaced can be taken down, so that the operation is convenient and simple, and the working efficiency is greatly improved.

Drawings

Figure 1 is a schematic view of an insulator replacement tool according to an embodiment of the present invention in use;

fig. 2 is a schematic structural diagram of an insulator according to an embodiment of the present invention;

figure 3 is an exploded view of an insulator replacement tool provided in accordance with an embodiment of the present invention;

fig. 4 is an assembly view of an insulator replacement tool according to an embodiment of the present invention.

In the figure:

10. an insulator replacement tool; 20. an insulator;

1. a first support; 11. a first limiting part; 111. a first groove;

2. a second support member; 21. a second limiting part; 211. a second groove; 22. an accommodating chamber;

3. an adjustment assembly; 31. a first adjustment member; 311. adjusting the screw rod; 312. a first transmission member; 32. a second adjustment member; 321. a connecting rod; 322. a second transmission member; 323. an operation section;

4. a first positioning sleeve; 41. a first semi-ring positioning sleeve; 411. a first protrusion;

5. a second positioning sleeve; 51. a second semi-ring positioning sleeve; 511. a second protrusion;

201. a ball head; 202. a bowl cylinder.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example one

This embodiment provides an insulator replacement tool 10, as shown in fig. 1 to 2, which can assist in removing or installing the insulator 20 when replacing the insulator 20.

As shown in fig. 3-4, the insulator replacing tool 10 includes a first supporting member 1, a second supporting member 2 and an adjusting assembly 3, wherein the first supporting member 1 has a first limiting portion 11, and the first limiting portion 11 can be sleeved on a first insulator; the second support member 2 is arranged opposite to the first support member 1, the second support member 2 is provided with a second limiting part 21, the first limiting part 11 and the second limiting part 21 are arranged oppositely, and the second limiting part 21 can be sleeved on a second insulator; the adjusting assembly 3 connects the first support 1 and the second support 2, and the adjusting assembly 3 can move the first support 1 towards the second support 2.

According to the insulator replacing tool provided by the invention, the adjusting component 3 is arranged, the adjusting component 3 can enable the first supporting piece 1 to move towards the second supporting piece 2, when the insulator 20 is replaced, the first supporting piece 1 and the second supporting piece 2 are respectively abutted against the insulators 20 (namely the first insulator or the second insulator) on two adjacent sides of the insulator 20 to be replaced, the adjusting component is adjusted, the first supporting piece 1 moves towards the second supporting piece 2, the insulators 20 on two adjacent sides are relatively tightened, the insulator 20 to be replaced is in a loose state, and the insulator 20 to be replaced can be taken down.

Optionally, the adjusting assembly 3 includes a first adjusting member 31 and a second adjusting member 32, one end of the first adjusting member 31 is screwed with the first supporting member 1, and the other end of the first adjusting member 31 is fixedly connected with the second supporting member 2; the second adjusting member 32 is in transmission connection with the first adjusting member 31, and the adjustment of the second adjusting member 32 can drive the first adjusting member 31 to rotate so as to move the first supporting member 1 towards the second supporting member 2. This kind of setting, through adjusting second regulating part 32, second regulating part 32 can drive first regulating part 31 and rotate, and then makes the first support piece 1 with first regulating part 31 spiro union move towards second support piece 2, simple structure, the operation of being convenient for.

The threads on the first adjustment member 31 are preferably trapezoidal threads. The trapezoidal thread has good manufacturability, high tooth root strength and good centering property.

Optionally, the first adjusting member 31 includes two adjusting screws 311 arranged in parallel, two ends of the first supporting member 1 are screwed with one ends of the two adjusting screws 311, and the other end of each adjusting screw 311 is provided with a first transmission member 312; the second adjusting member 32 includes a connecting rod 321, the connecting rod 321 is perpendicular to the adjusting screw 311, the connecting rod 321 is provided with a second transmission member 322 in transmission connection with the first transmission member 312, and the adjusting connecting rod 321 can drive the adjusting screw 311 to rotate so as to move the first supporting member 1 toward the second supporting member 2. Through two parallel arrangement's adjusting screw 311, when adjusting connecting rod 321, connecting rod 321 drives adjusting screw 311 and rotates, simple structure, easily processing. In this embodiment, the two adjusting screws 311 are respectively disposed on two sides of the insulator 20, the connecting rod 321 is provided with two second transmission members 322 respectively connected to the adjusting screws 311 in a transmission manner, and the adjusting connecting rod 321 can drive the two adjusting screws 311 to move simultaneously, thereby improving the motion stability of the first supporting member 1.

To improve the transmission ratio and the stability of the transmission, the first transmission member 312 includes a worm wheel, and the second transmission member 322 includes a helical tooth extending along the axial direction of the connecting rod 321, and the worm wheel is engaged with the helical tooth to ensure the stability of the transmission.

In order to ensure the stability of the first transmission member 312 and improve the safety of the insulator replacement tool, the end of the second support member 2 is provided with an accommodating cavity 22 for accommodating the first transmission member 312, and the side wall of the accommodating cavity 22 is provided with an avoiding opening for the transmission connection between the first transmission member 312 and the connecting rod 321. By arranging the accommodating cavity 22, the accommodating cavity 22 can prevent the first transmission piece 312 from shaking, so that the stability is improved; through setting up the dodge mouth, make first transmission piece 312 and connecting rod 321 can the transmission be connected, improve the connection reliability.

Optionally, the connecting rod 321 is inserted through the second support 2. This kind of setting can effectively prevent rocking of connecting rod 321, has improved regulation stability.

In order to adjust the second adjusting member 32, at least one end of the second adjusting member 32 is provided with an operating part 323, and the operating part 323 is used for adjusting the second adjusting member 32, so that the operation convenience is improved. Specifically, the operating portion 323 has a cylindrical structure, and the operating portion 323 has a petal-shaped protrusion on the periphery thereof, so as to improve the friction between the human hand and the operating portion 323 during manual adjustment and improve the work efficiency.

Optionally, the insulator replacing tool further includes a first positioning sleeve 4, and the first positioning sleeve 4 is clamped on the inner wall of the first limiting portion 11 and can be sleeved on the ball head 201 of the first insulator. In the process of using the insulator replacement tool, the first positioning sleeve 4 is clamped on the inner wall of the first limiting part 11, so that the first positioning sleeve 4 is prevented from sliding relative to the first limiting part 11, and the stability of the first positioning sleeve 4 is improved; the first locating sleeve 4 is sleeved on the ball head 201 of the first insulator, and the first locating sleeve 4 is used for limiting and fixing the first insulator, so that when the first supporting piece 1 moves, the first supporting piece 1 is fully abutted to the first insulator.

With continued reference to fig. 2 and fig. 3, the first positioning sleeve 4 may include two first semi-ring positioning sleeves 41 that are symmetrical to each other, and the two first semi-ring positioning sleeves 41 can be fastened to each other to be sleeved on the ball 201 of the first insulator. Through setting up the first half ring position sleeve 41 of two mutual locks, when locating first insulator with 4 covers of first position sleeve, locate first insulator on with 41 covers of one of them first half ring position sleeve earlier, locate first insulator on with 41 covers of another first half ring position sleeve, two mutual locks of first half ring position sleeve 41 form whole circular lantern ring, make the whole quilt of week side of the bulb 201 of first insulator 4 parcels, first position sleeve 4 has improved the fixed stability of first insulator.

In this embodiment, the inner wall of the first limiting portion 11 is provided with a first groove 111, the periphery of the first positioning sleeve 4 is provided with a first protrusion 411, and the first groove 111 and the first protrusion 411 are matched to allow the first positioning sleeve 4 to be clamped on the inner wall of the first limiting portion 11.

Optionally, the insulator replacing tool further includes a second positioning sleeve 5, and the second positioning sleeve 5 is clamped on the inner wall of the second limiting portion 21 and can be sleeved on the ball 201 of the second insulator. This kind of setting can effectively improve the installation stability of second position sleeve 5.

In this embodiment, the second positioning sleeve 5 includes two second half-ring positioning sleeves 51, and the two second half-ring positioning sleeves 51 can be fastened to each other to be sleeved on the ball 201 of the second insulator. Through setting up the second semi-ring position sleeve 51 of two mutual locks, when locating second position sleeve 5 cover on the second insulator, will be earlier with one of them second semi-ring position sleeve 51 cover locate on the second insulator, locate on the second insulator with another second semi-ring position sleeve 51 cover again, two mutual locks of second semi-ring position sleeve 51 form whole circular lantern ring, make the week side of the bulb 201 of second insulator whole by second position sleeve 5 parcel, in order to guarantee when adjusting first support piece 1, second support piece 2 and the abundant butt of second insulator improve and change efficiency.

Optionally, the inner walls of the second limiting portion 21 are provided with second grooves 211, the peripheral sides of the second positioning sleeves 5 are provided with second protrusions 511, and the second grooves 211 and the second protrusions 511 are matched with each other, so that the second positioning sleeves 5 are clamped on the inner walls of the second limiting portion 21.

In order to stably sleeve the first positioning sleeve 4 and the second positioning sleeve 5 on the ball head 201 of the first insulator or the second insulator, optionally, the first half-ring positioning sleeve 41 and the second half-ring positioning sleeve 51 are both of a half-barrel structure, each of the first half-ring positioning sleeve 41 and the second half-ring positioning sleeve 51 includes a half-barrel body portion and a half-barrel bottom portion, the half-barrel body portion has a taper, the half-barrel body portion is adapted to the circumferential side of the bowl 202 of the insulator 20, and the center of the half-barrel bottom portion is provided with an arc-shaped groove recessed toward the half-barrel body portion. In the using process, the ball head 201 is arranged at the bottom of the two half barrels in a buckling mode, the bowl barrel 202 is arranged at the body of the two half barrels in a buckling mode, the insulator 20 can be positioned better, and the replacing efficiency is improved.

Example two

The present embodiment provides an insulator replacement tool, and the basic structure of the insulator replacement tool provided in the present embodiment is the same as that of the first embodiment, and only a part of the structure is different. The present embodiment will be described only with respect to a structure different from the first embodiment.

In this embodiment, the second half-ring positioning sleeve 51 has a semi-circular conical structure, the taper of the second half-ring positioning sleeve 51 is the same as the taper of the bowl 202 of the second insulator, and the inner diameter of the second half-ring positioning sleeve 51 is matched with the outer diameter of the bowl 202 of the second insulator.

When the insulator replacing tool is used, the second semi-ring positioning sleeve 51 is only required to be sleeved outside the bowl cylinder 202 of the second insulator, so that the operation is convenient and simple, and the working efficiency is greatly improved.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An insulator changing tool, comprising:

the first supporting piece (1), the first supporting piece (1) has a first limiting part (11), the first limiting part (11) can be sleeved on the first insulator;

the second supporting piece (2) is arranged opposite to the first supporting piece (1), a second limiting part (21) is arranged on the second supporting piece (2), the first limiting part (11) and the second limiting part (21) are arranged oppositely, and the second limiting part (21) can be sleeved on a second insulator;

an adjustment assembly (3) connecting the first support (1) and the second support (2), the adjustment assembly (3) being adjustable to move the first support (1) towards the second support (2);

the adjustment assembly (3) comprises:

one end of the first adjusting piece (31) is in threaded connection with the first supporting piece (1), and the other end of the first adjusting piece (31) is fixedly connected with the second supporting piece (2);

a second adjusting part (32), wherein the second adjusting part (32) is in transmission connection with the first adjusting part (31), and the second adjusting part (32) can be adjusted to drive the first adjusting part (31) to rotate so as to enable the first support (1) to move towards the second support (2);

the first adjusting piece (31) comprises two adjusting screw rods (311) which are arranged in parallel, two ends of the first supporting piece (1) are in threaded connection with one ends of the two adjusting screw rods (311), and the other end of each adjusting screw rod (311) is provided with a first transmission piece (312);

the second adjusting piece (32) comprises a connecting rod (321), the connecting rod (321) is perpendicular to the adjusting screw rod (311), a second transmission piece (322) in transmission connection with the first transmission piece (312) is arranged on the connecting rod (321), and the connecting rod (321) can be adjusted to drive the adjusting screw rod (311) to rotate so that the first supporting piece (1) moves towards the second supporting piece (2).

2. The insulator replacement tool according to claim 1, wherein the first transmission member (312) includes a worm gear, and the second transmission member (322) includes a helical tooth extending in an axial direction of the connecting rod (321), the worm gear being engaged with the helical tooth.

3. The insulator replacement tool according to claim 1, wherein an accommodating cavity (22) for accommodating the first transmission member (312) is formed at the end of the second support member (2), and an avoiding opening for driving connection between the first transmission member (312) and the connecting rod (321) is formed in a side wall of the accommodating cavity (22).

4. An insulator changing tool according to claim 1, wherein the thread on the first adjustment member (31) is a trapezoidal thread.

5. The insulator replacement tool according to claim 1, further comprising a first positioning sleeve (4), wherein the first positioning sleeve (4) is clamped on the inner wall of the first limiting portion (11) and can be sleeved on a ball head (201) of the first insulator.

6. The insulator replacement tool according to claim 5, wherein the first positioning sleeve (4) comprises two first half-ring positioning sleeves (41) which are symmetrical to each other, and the two first half-ring positioning sleeves (41) can be mutually buckled to be sleeved on the ball head (201) of the first insulator.

7. The insulator replacement tool according to claim 1, further comprising a second positioning sleeve (5), wherein the second positioning sleeve (5) is clamped to the inner wall of the second limiting portion (21) and can be sleeved on a ball head (201) of the second insulator.

8. An insulator changing tool according to claim 1, wherein at least one end of the second adjusting member (32) is provided with an operating portion (323), the operating portion (323) being used to adjust the second adjusting member (32).