CN217135025U - Live-line work tool for replacing suspension insulator string - Google Patents

Abstract

The utility model provides a live-line replacing suspension insulator string operating tool, which is used for being matched with a wire grip to be connected between an electric lead and a tower cross arm in an insulating way so as to implement live-line replacing suspension insulator string operation; the method comprises the following steps: the pole tower cross arm fixer is used for fixing the pole tower cross arm; and the insulating connecting plate is used for insulating connection between the tower cross arm fixer and the wire grip. The utility model discloses can realize changing suspension insulator chain with electricity, simplify operating procedure greatly, improve work efficiency, strengthen the incessant operational reliability of power supply, reduce unnecessary economic loss, have advantages such as simple structure, work efficiency height, safe and reliable, use manpower sparingly, have better economic value and practicality.

Description

Live-line work tool for replacing suspension insulator string

Technical Field

The utility model relates to an electric power facility maintenance technical field especially relates to a be used for changing suspension insulator chain operation instrument with electricity.

Background

As one of the important devices of the transmission line, the suspension insulator string is an indispensable component in the high-voltage transmission line. As shown in fig. 1, the suspension insulator string S is used for connecting an electrified wire W with a pole tower cross arm F, and the function of the suspension insulator string S is mainly embodied in two aspects: on one hand, the device bears the mechanical forces of gravity, wind power and the like of the live wire W; on the other hand, insulation between the live wire W and the tower cross arm F is ensured. When the suspension insulator string S has a fault or a defect, the suspension insulator string S needs to be replaced in time, otherwise, the transmission line fault is caused.

For a long time, due to the lack of a proper live working tool and a proper live working method, power failure replacement has to be carried out, and the power failure replacement has the defects of complex operation, low working efficiency, influence on the uninterrupted operation of a power system, power supply reliability and the like, and influences on normal production and life. Therefore, the live-line replacement of the suspension insulator string S becomes a work item with a high demand and difficulty in live-line work, and it is very urgent to develop a dedicated live-line work tool and method for the same.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a suspension insulator string operation instrument is changed in electrified, can realize changing suspension insulator string in electrified, simplified operating procedure greatly, improved work efficiency, strengthened the incessant operational reliability of power supply, reduced unnecessary economic loss, have advantages such as simple structure, work efficiency height, safe and reliable, use manpower sparingly, have better economic value and practicality.

In order to achieve the above object, the utility model discloses a following technical scheme realizes:

a live-line replacing suspension insulator string working tool is used for being matched with a wire grip and being in insulation connection between an electric lead and a tower cross arm so as to implement live-line replacing suspension insulator string working; the method comprises the following steps:

the pole tower cross arm fixer is a component connected with the pole tower cross arm and used for fixing the pole tower cross arm;

the insulating connecting plate is an insulating plate body, one end of the insulating connecting plate is connected with the pole tower cross arm fixing device, and the other end of the insulating connecting plate is connected with the wire tightener and used for insulating connection between the pole tower cross arm fixing device and the wire tightener.

Further, the right angle steel that the shaft tower cross arm set up for the level includes: a first panel and a second panel; the first lath and the second lath are fixedly connected and mutually vertical, the plate body of the first lath is parallel to the ground, the plate body of the second lath is vertical to the ground, and the second lath is positioned below the first lath; one side of the second batten, which is connected with the first batten, is an intersecting side, and the opposite side is a deviating side; its characterized in that, shaft tower cross arm fixer includes:

the clamping hook is a part which can be movably connected and fixed with the second lath;

and the duplex slotted plate is a connecting part, one end of the duplex slotted plate is connected with the clamping hook, and the other end of the duplex slotted plate is connected with the insulating connecting plate.

Preferably, the clamping hook is a hook-shaped part, one end provided with a hook head is a hook head end, and the other end is a hook tail end, including:

the U-shaped groove is arranged at the hook end and used for transversely clamping the second batten in the groove body; the U-shaped groove is also provided with a fixing device for preventing the second batten from sliding or separating from the U-shaped groove;

and the first connecting part is arranged at the tail end of the hook and is used for being rotationally connected with the duplex slotted plate.

Preferably, two side walls of the U-shaped groove are a first clamping wall and a second clamping wall, wherein the first clamping wall is arranged at the hook tip position;

when the U-shaped groove clamps the second lath, the first clamping wall faces the intersecting side plate surface of the second lath, and the second clamping wall faces the second lath and deviates from the side plate surface.

Preferably, when the U-shaped groove clamps the second strip, the bottom end of the second strip may abut against the groove bottom of the U-shaped groove.

Preferably, the fixing means comprises:

the first clamping wall is provided with a threaded through hole which is vertically arranged, and a fixing bolt which can be inserted into the threaded through hole in a threaded fit manner; when the U-shaped groove clamps the second lath, the fixing bolt penetrates through the threaded through hole from the intersecting side of the first clamping wall to the deviating side to prop against the second lath, so that the second lath and the U-shaped groove are fixed.

Further, the double-link groove plate includes:

the second connecting part is arranged at one end of the double-linking-groove plate and is used for being rotatably connected with the first connecting part;

and the third connecting part is arranged at the other end of the duplex groove plate and is used for being rotationally connected with the insulating joint plate.

Preferably, the double-linking-groove plate further comprises:

the concave base is a concave plate body with a notch at one end, one side provided with the notch is a notch side, and the other side is a hook body connecting side;

the V-shaped connecting frame is fixedly arranged at the top of the concave base and comprises two identical V-shaped plate bodies which are arranged in parallel, the bottom end of each V-shaped plate body is perpendicular to the concave base, and the two V-shaped plate bodies are respectively arranged at two sides of the outer part of the notch of the concave base;

the second connecting part is arranged at the end part of the connecting side of the hook body of the V-shaped connecting frame; the third connecting part is arranged at the end part of the V-shaped connecting frame on the gap side.

Preferably, the insulating board that links is the strip plate body, with the one end that shaft tower cross arm fixer is connected is a V-arrangement link end even, insulating board that links includes:

the fourth connecting part is arranged at the connecting end of the V-shaped connecting frame and is used for being rotationally connected with the double-linking groove plate; the V-shaped connecting end of the connecting frame is inserted between the two V-shaped plate bodies, and the bottom end of the V-shaped connecting end of the connecting frame is inserted into the notch of the concave base;

and the fifth connecting part is arranged at the opposite end of the V-shaped connecting frame connecting end and is used for being connected with the wire tightener.

To sum up, compare with prior art, the utility model provides an electrified change suspension insulator chain working tool has following beneficial effect:

1. the suspension insulator string has the force bearing and insulating functions of the suspension insulator string, can realize the live replacement of the suspension insulator string, greatly simplifies the operation steps, improves the working efficiency, enhances the uninterrupted operation reliability of power supply, reduces unnecessary economic loss, has the advantages of simple structure, high working efficiency, safety, reliability, manpower saving and the like, and has better practicability and economic value;

2. the utility model discloses except can regard as the specialized tool who changes overhead line suspension insulator string with electricity, still can regard as a temporary insulator to use for the interim fixed has the electric lead, can be used to emergent scheme.

Drawings

FIG. 1 is a schematic connection diagram of a prior art suspension insulator string;

FIG. 2 is a schematic structural diagram of a tower cross arm in the prior art;

fig. 3 is a schematic structural view of the working tool for live replacement of the suspension insulator string of the present invention;

FIG. 4 is a schematic structural view of a clamping hook according to the present invention;

FIG. 5 is a schematic structural view of a duplex slotted plate according to the present invention;

FIG. 6 is a schematic structural view of the insulating connecting plate of the present invention;

fig. 7 is a schematic connection diagram of the suspension insulator string live-line replacement working tool of the present invention.

Detailed Description

The following provides a working tool for replacing a suspension insulator string in a live-line manner, which is provided by the present invention, with reference to the accompanying drawings and the detailed description. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are simplified and have non-precise ratios, and are only used for convenience and clarity to assist in describing the embodiments of the present invention, and are not used for limiting the conditions of the present invention, so they have no technical essential meaning, and any structural modification, ratio relationship change or size adjustment should still fall within the scope covered by the present invention without affecting the function and the achievable purpose of the present invention.

It should be noted that, in the present invention, the relational terms such as first and second, and the like are used only for distinguishing one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

With reference to fig. 1 to 7, the embodiment provides a working tool (fig. 3) for live replacement of a suspension insulator string, which is used for being matched with a wire grip T to serve as a temporary insulator to replace a suspension insulator string S to be fixed between an electrically conductive wire W and a tower cross arm F, so that the operation of live replacement of the suspension insulator string S can be performed; this change suspension insulator chain operation instrument with electricity includes: a pole tower cross arm fixer and an insulation connecting plate 3; wherein the content of the first and second substances,

the pole tower cross arm fixer is a part movably connected with the pole tower cross arm F, is used for fixing the pole tower cross arm F, adopts a design structure which can be flexibly disassembled and reliably connected, is made of metal materials, and preferably is made of stainless steel or aluminum alloy;

in this embodiment, tower cross arm F is the right angle steel (fig. 1, 2) that electric power system generally adopted in china at present, transversely sets up the top at electric wire tower, and tower cross arm F includes: the floor structure comprises a first lath a and a second lath b, wherein the first lath a and the second lath b are fixedly connected and are vertical to each other, the plate body of the first lath a is parallel to the ground, the plate body of the second lath b is vertical to the ground, and the second lath b is positioned below the first lath a; the side of the second lath b connected with the first lath a is an intersecting side, and the opposite side is a deviating side.

Be applied to this type of pole tower cross arm F's pole tower cross arm fixer includes: the clamping device comprises a clamping hook 1 and a duplex slotted plate 2 connected with the clamping hook 1; wherein the content of the first and second substances,

the holding hook 1 (fig. 4) is a hook-shaped part which can be movably connected and fixed with the second lath b and comprises:

the connecting frame 11 comprises two hook-shaped plate bodies arranged in parallel, one end provided with a hook head is a hook head end, the other end is a hook tail end, and a first connecting part 111 is fixedly arranged at the hook tail end; the first connecting part 111 is a through hole symmetrically and vertically arranged on the two hook-shaped plate bodies;

a U-shaped groove 12, which is a U-shaped groove fixedly arranged on the inner side of the hook head at the hook head end of the connecting frame 11, two side walls of the U-shaped groove 12 are a first clamping wall 121 and a second clamping wall 122, wherein the first clamping wall 121 is arranged at the hook tip position; the clamping hook 1 can transversely clamp the second lath b in the U-shaped groove 12 through the first clamping wall 121 and the second clamping wall 122, the first clamping wall 121 faces and contacts with the intersecting side plate surface of the second lath b, the second clamping wall 122 faces and contacts with the deviating side plate surface of the second lath b during clamping, and the bottom end of the second lath b can abut against the groove bottom of the U-shaped groove 12 to increase the firmness of fixing the second lath b;

the U-shaped channel 12 is also provided with fixing means for preventing the second strip b from slipping or disengaging from the U-shaped channel 12; the fixing device includes: a threaded through hole vertically provided on the first clamping wall 121, and a fixing bolt 123 threadably fittingly inserted into the threaded through hole; when the U-shaped groove 12 clamps the second lath b, the fixing bolt 123 penetrates through the threaded through hole from the intersecting side of the first clamping wall 121 to abut against the second lath b, so that the second lath b is fixed with the U-shaped groove 12.

The duplex slotted plate 2 (fig. 5) is a connecting part rotationally connected with the connecting frame 11, and comprises:

the concave base 21 is a concave plate body with a rectangular notch at one end, one side provided with the notch is a notch side, and the other side is a hook body connecting side;

the V-shaped connecting frame 22 is fixedly arranged at the top of the concave base 21 and comprises two identical V-shaped plate bodies which are arranged in parallel, the bottom end of each V-shaped plate body is perpendicular to the concave base 21, and the two V-shaped plate bodies are respectively arranged at two sides of the outer part of the rectangular gap of the concave base 21; the end part of the hook body connecting side of the V-shaped connecting frame 22 is provided with a second connecting part 221, the second connecting part 221 is a through hole symmetrically and vertically arranged on the two V-shaped plate bodies, the second connecting part 221 is rotatably connected with the first connecting part 111, and the second connecting part 221 is rotatably connected with the first connecting part 111 by passing through a pin, a rivet, a bolt and the like; the end of the notch side of the V-shaped connecting frame 22 is provided with a third connecting portion 222, and the third connecting portion 222 is a through hole symmetrically and vertically arranged on the two V-shaped plate bodies.

The insulating connecting plate 3 (shown in figure 6) is a strip-shaped insulating plate body parallel to the V-shaped connecting frame 22, one end of the plate body is rotatably connected with the pole tower cross arm fixing device, and the other end of the plate body is connected with the wire grip T and is used for insulating connection between the pole tower cross arm fixing device and the wire grip T;

the end of the insulating connecting plate 3 connected with the pole tower cross arm fixer is a V-shaped connecting end 31, the V-shaped connecting end 31 is provided with a fourth connecting part 311, the fourth connecting part 311 is a vertically arranged through hole, and the fourth connecting part 311 is rotatably connected with the third connecting part 222, for example, the fourth connecting part 311 and the fourth connecting part 311 are rotatably connected by a pin, a rivet, a bolt and the like penetrating through the third connecting part 222 and the fourth connecting part 311; after connection, the V-shaped connecting end 31 is inserted between the two V-shaped plate bodies, and the bottom end of the V-shaped connecting end 31 is inserted into the rectangular notch of the concave base 21, so that the designed position of the fourth connecting part 31 can have enough spacing distance with the end of the V-shaped connecting end 31, and the insulating connecting plate 3 can have strong tensile capacity; the top of the V-shaped connecting end 31 is provided with a triangular defect for enabling the insulating connecting plate 3 to have a larger rotation angle relative to the duplex slotted plate 2;

one end of the insulating connecting plate 3 connected with the tightener T is a tightener connecting end 32, the tightener connecting end 32 is provided with a fifth connecting part 321, and the fifth connecting part 321 is a U-shaped ring rotatably connected with the tightener connecting end 32; the insulating link plate 3 is connected to the turnbuckle T through a fifth connecting portion 321.

The embodiment further provides an operation method for replacing a suspension insulator string in a live-line manner, and the operation tool for replacing the suspension insulator string in the live-line manner is shown in the attached drawings 1-7, and comprises the following steps:

1. fixing the tower cross arm fixer and a tower cross arm F;

vertically and upwardly aligning the notch of the U-shaped groove 12 of the clamping hook 1 with the bottom end of the second lath b, enabling the first clamping wall 121 to face the intersecting side plate surface of the second lath b, enabling the second clamping wall 122 to face the deviating side plate surface of the second lath b, vertically and upwardly moving from the bottom end of the second lath b to transversely clamp the second lath b in the U-shaped groove 12, and enabling the bottom end of the second lath b to be abutted against the bottom end of the U-shaped groove 12; then, the fixing bolt 123 penetrates through the threaded through hole from the intersecting side of the first clamping wall 121 to prop against the second lath b, so that the second lath b is fixed with the U-shaped groove 12;

rotating the duplex slotted plates 2 at the rotating connection positions of the first connection parts 111 and the second connection parts 221, and overlapping the duplex slotted plates 2 on the tops of the first battens a from the intersecting side to the deviating side to complete the fixation of the tower cross arm fixator and the tower cross arm F;

2. connecting the insulating connecting plate 3 with an electric lead W through a wire grip T;

connecting the fifth connecting part 321 with the wire grip T, fixing the wire grip T with the electric lead W, operating the wire grip T to tighten the connection between the insulation connecting plate 3 and the electric lead W, wherein the live-line replacement suspension insulator string operation tool has the functions of bearing and insulation of a suspension insulator string S to be replaced, and the suspension insulator string S to be replaced can be safely removed;

3. replacing the suspension insulator string S;

4. dismantling the working tool for replacing the suspension insulator string in an electrified way;

and (3) loosening the tightener T, sequentially releasing the connection between the tightener T and the electrically conductive wires W and the fifth connecting part 321, loosening the fixing bolt 123, withdrawing the U-shaped groove 12 of the clamping hook 1 from the second lath b, taking down the working tool for live replacement of the suspension insulator string, and completing the dismantling work.

To sum up, the utility model provides an electrified work tool of changing suspension insulator chain has the load and the insulating function of suspension insulator chain, can realize electrified change suspension insulator chain, has greatly simplified operating procedure, has improved work efficiency, has strengthened the incessant operational reliability of power supply, has reduced unnecessary economic loss, has simple structure, high, safe and reliable of work efficiency, uses manpower sparingly etc. advantage, has better practicality and economic value; the utility model discloses except can regard as the specialized tool who changes overhead line suspension insulator string with electricity, still can regard as a temporary insulator to use for the interim fixed has the electric lead, can be used to emergent scheme.

While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.

Claims (9)

1. A live-line replacing suspension insulator string working tool is used for being matched with a wire grip and being in insulation connection between an electric lead and a tower cross arm so as to implement live-line replacing suspension insulator string working; it is characterized by comprising:

the pole tower cross arm fixer is a component connected with the pole tower cross arm and used for fixing the pole tower cross arm;

the insulating connecting plate is an insulating plate body, one end of the insulating connecting plate is connected with the pole tower cross arm fixing device, and the other end of the insulating connecting plate is connected with the wire tightener and used for insulating connection between the pole tower cross arm fixing device and the wire tightener.

2. The live-line replacement of the suspension insulator string work tool of claim 1, wherein the tower cross arm is a horizontally disposed right angle steel comprising: a first panel and a second panel; the first lath and the second lath are fixedly connected and mutually vertical, the plate body of the first lath is parallel to the ground, the plate body of the second lath is vertical to the ground, and the second lath is positioned below the first lath; one side of the second batten, which is connected with the first batten, is an intersecting side, and the opposite side is a deviating side; its characterized in that, shaft tower cross arm fixer includes:

the clamping hook is a part which can be movably connected and fixed with the second batten;

and the duplex slotted plate is a connecting part, one end of the duplex slotted plate is connected with the clamping hook, and the other end of the duplex slotted plate is connected with the insulating connecting plate.

3. The tool for electrically replacing a suspension insulator string according to claim 2, wherein the clamping hook is a hook-shaped part, one end provided with a hook head is a hook head end, and the other end is a hook tail end, and the tool comprises:

the U-shaped groove is arranged at the hook end and used for transversely clamping the second batten in the groove body; the U-shaped groove is also provided with a fixing device for preventing the second batten from sliding or separating from the U-shaped groove;

and the first connecting part is arranged at the tail end of the hook and is used for being rotationally connected with the duplex slotted plate.

4. The live replacement suspension insulator string work tool of claim 3, wherein the two side walls of the U-shaped groove are a first clamping wall and a second clamping wall, wherein the first clamping wall is disposed at the hook tip position;

when the U-shaped groove clamps the second lath, the first clamping wall faces the intersecting side plate surface of the second lath, and the second clamping wall faces the second lath and deviates from the side plate surface.

5. The live change suspension insulator string work tool of claim 4, wherein the bottom end of the second strap is adapted to abut the bottom of the U-shaped channel when the U-shaped channel is engaged by the second strap.

6. The live replacement suspension string work tool of claim 4, wherein the securing means comprises:

the first clamping wall is provided with a threaded through hole which is vertically arranged, and a fixing bolt which can be inserted into the threaded through hole in a threaded fit manner; when the U-shaped groove clamps the second lath, the fixing bolt penetrates through the threaded through hole from the intersecting side of the first clamping wall to the deviating side to prop against the second lath, so that the second lath and the U-shaped groove are fixed.

7. The live replacement suspension insulator string work tool of claim 3, wherein the double slotted plate comprises:

the second connecting part is arranged at one end of the double-linking-groove plate and is used for being rotatably connected with the first connecting part;

and the third connecting part is arranged at the other end of the duplex groove plate and is used for being rotationally connected with the insulating joint plate.

8. The live replacement suspension insulator string work tool of claim 7, wherein the double slotted plate further comprises:

the concave base is a concave plate body with a notch at one end, one side provided with the notch is a notch side, and the other side is a hook body connecting side;

the V-shaped connecting frame is fixedly arranged at the top of the concave base and comprises two identical V-shaped plate bodies which are arranged in parallel, the bottom end of each V-shaped plate body is perpendicular to the concave base, and the two V-shaped plate bodies are respectively arranged at two sides of the outer part of the notch of the concave base;

the second connecting part is arranged at the end part of the connecting side of the hook body of the V-shaped connecting frame; the third connecting part is arranged at the end part of the V-shaped connecting frame on the gap side.

9. The tool for live replacement of a suspension insulator string as claimed in claim 8, wherein the insulation connecting plate is a bar-shaped plate body, one end connected with the tower cross arm fixer is a V-shaped connecting end, and the insulation connecting plate comprises:

the fourth connecting part is arranged at the connecting end of the V-shaped connecting frame and is used for being rotationally connected with the double-linking groove plate; the V-shaped connecting end of the connecting frame is inserted between the two V-shaped plate bodies, and the bottom end of the V-shaped connecting end of the connecting frame is inserted into the notch of the concave base;

and the fifth connecting part is arranged at the opposite end of the V-shaped connecting frame connecting end and is used for being connected with the wire tightener.

Images