CN210806582U - Double-string insulator dismounting device - Google Patents

Double-string insulator dismounting device Download PDF

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Publication number
CN210806582U
CN210806582U CN201921680299.4U CN201921680299U CN210806582U CN 210806582 U CN210806582 U CN 210806582U CN 201921680299 U CN201921680299 U CN 201921680299U CN 210806582 U CN210806582 U CN 210806582U
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China
Prior art keywords
pull rod
guide sleeve
double
telescopic
string insulator
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CN201921680299.4U
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Chinese (zh)
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耿宪福
陈丕立
孙刚
林家明
韩翎稳
袁洪山
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China Petroleum & Chemical Co ltd Zhongyuan Oilfield Branch Power Supply Service Center
China Petroleum and Chemical Corp
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China Petroleum & Chemical Co ltd Zhongyuan Oilfield Branch Power Supply Service Center
China Petroleum and Chemical Corp
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Abstract

The utility model provides a two cluster insulator dismounting device, include: a left pull rod; a right pull rod; the telescopic mechanism is provided with a left telescopic end and a right telescopic end which can be relatively telescopic left and right; the right-hand member of left pull rod overlaps crisscrossly with the left end of right pull rod, is equipped with the guide structure who moves about to another on one of them of left pull rod and right pull rod and carries out the direction, and telescopic machanism's left flexible end is connected with the left end of right pull rod, and right flexible end is connected with the right-hand member of left pull rod to promote left pull rod and right pull rod move in opposite directions when telescopic machanism extends, with the distance of shortening between left even board and the right even board. Has the advantages that: adopt left pull rod, right pull rod and telescopic machanism's form, need not to use wire rope, just also need not longer tight line distance, through telescopic machanism's extension, promote left pull rod and right pull rod and move in opposite directions, make left and right even board move in opposite directions, shorten the distance between the two, conveniently dismantle and change insulator chain, operating time is short, low in labor strength.

Description

Double-string insulator dismounting device
Technical Field
The utility model relates to an electric power overhauls instrument technical field, concretely relates to two cluster insulator dismounting device.
Background
The insulator of the overhead line is an important insulating tool on the power transmission and distribution line and is a main component of the overhead line, if a 110KV corner rod double-string insulator group mainly comprises a left connecting plate, a right connecting plate and two strings of insulators connected between the two connecting plates through right-angle hanging plates, wherein the two connecting plates are also respectively connected with a connected U-shaped ring and the right-angle hanging plates, one connecting plate is connected with a cross arm of a tower through the right-angle hanging plates, and the other connecting plate is connected with a lead through the right-angle hanging plates.
When the double-string insulator is used, the insulator needs to be replaced due to damage caused by various factors such as lightning stroke and the like, and the disassembly of the 110kV line corner post insulator is very dangerous and difficult work, particularly the disassembly of the double-string suspension insulator is more difficult. In the past, tools such as a high-altitude operation ladder, a hook, a steel wire rope sleeve and a chain block need to be used in replacement work, a wire clamp needs to be used for clamping a wire in disassembly, the steel wire rope sleeve is connected with the chain block, the other end of the chain block is sleeved on a tower cross arm through the steel wire rope sleeve, and an operator operates the chain block to tightly release the wire.
Due to the fact that the high-altitude operation distance is long, the operation space is small, the operation angle is large, and the construction operation is difficult, the existing disassembling tool and the working method have weak points and unsafe factors.
Firstly, the distance required for tightening the wire is long, which results in long field operation time and high labor intensity.
Secondly, the hook head or the steel wire rope sleeve is broken, the chain block slips, the tower hardware is deformed and the like, so that the lead can fall off to cause major accidents.
In addition, under the influence of gravity, when the double-string insulator is disconnected from one string, the opening distance of the connecting plates at the two sides is lengthened, so that the newly replaced insulator is difficult to install. Especially, the corner rod with a small span has small space for tightening, the tension is too large, the corner rod is more difficult to replace, and the consumed manpower and material resources are large.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two cluster insulator dismounting device to the extracting tool who solves among the prior art needs the distance of tight line longer, causes the problem that the field operation time is long, intensity of labour is high.
In order to achieve the above object, the utility model provides a two insulator dismounting device of cluster adopts following technical scheme:
double-string insulator dismounting device includes:
the left end of the left pull rod is used for being connected to a left connecting plate of the double-string insulator;
the right end of the right pull rod is used for being connected to a right connecting plate of the double-string insulator;
the telescopic mechanism is provided with a left telescopic end and a right telescopic end which can be relatively telescopic left and right;
the left end of the left pull rod and the left end of the right pull rod are overlapped and staggered, one of the left pull rod and the right pull rod is provided with a guide structure for guiding the left and right movement of the other pull rod, the left telescopic end of the telescopic mechanism is connected with the left end of the right pull rod, and the right telescopic end of the telescopic mechanism is connected with the right end of the left pull rod so as to push the left pull rod and the right pull rod to move in opposite directions when the telescopic mechanism extends, so that the distance between the left connecting plate and the right connecting plate is shortened.
The beneficial effects of the above technical scheme are that:
the left end of the left pull rod is connected to the left connecting plate of the double-string insulator, the right end of the right pull rod is connected to the right connecting plate of the double-string insulator, a telescopic mechanism is connected between the right end of the left pull rod and the left end of the right pull rod, and the left pull rod and the right pull rod can be driven to move in opposite directions through the telescopic mechanism, so that the left connecting plate and the right connecting plate move in opposite directions, the distance between the left pull rod and the right pull rod is shortened, and the insulator string can be conveniently detached and replaced.
And the right-hand member of left pull rod overlaps crisscrossly with the left end of right pull rod, and telescopic machanism promotes left pull rod and right pull rod and moves in opposite directions when extending like this, compares in pulling left pull rod and right pull rod and moves in opposite directions, adopts the mode that produces thrust, can produce great thrust through suitable telescopic machanism more easily to be convenient for the left even board and the right even relative motion of board, and then be convenient for the dismantlement and the change of insulator chain.
In addition, one of the left pull rod and the right pull rod is provided with a guide structure for guiding the left and right movement of the other pull rod, so that the parallel relative movement between the left pull rod and the right pull rod is ensured, the moving smoothness is facilitated, and the telescopic mechanism is convenient to drive the left pull rod and the right pull rod.
The utility model provides a novel two cluster insulator dismantlement device adopts left pull rod, right pull rod and telescopic machanism's form, need not to use wire rope, certainly just also need not longer tight line distance, through telescopic machanism's extension, promotes left pull rod and right pull rod motion in opposite directions, makes the even board of left side and the even board motion in opposite directions of right side, shortens the distance between the two, and operating time is short, low in labor strength.
Furthermore, left side pull rod and right pull rod all are the U-shaped, and left side pull rod and right pull rod all include the parallel rod of two parallels and connect the connecting rod of two parallel rods, and the parallel rod is used for linking the board with the correspondence of two strings of insulators and is connected, and telescopic machanism's left side is flexible to be held and is connected with the connecting rod of left pull rod and right pull rod respectively with right telescopic end.
The beneficial effects are that: the U-shaped pull rod comprises two parallel rods, the structural strength is high, the U-shaped pull rod comprises a connecting rod for connecting the two parallel rods, the connecting rod can facilitate connection between the left telescopic end and the right telescopic end of the telescopic mechanism and the pull rod, the two parallel rods are connected with the corresponding connecting plates of the double-string insulators, the positions of the connecting points are two, so that stress concentration of the connecting plates can be reduced, and deformation of the connecting plates is reduced.
Furthermore, mounting plates are respectively welded and fixed on the connecting rods of the left pull rod and the right pull rod, and the left telescopic end and the right telescopic end of the telescopic mechanism are respectively fixedly connected with the mounting plates.
The beneficial effects are that: the left telescopic end and the right telescopic end of the telescopic mechanism can be conveniently connected with the pull rod by respectively welding the mounting plates on the connecting rods of the left pull rod and the right pull rod.
Furthermore, the guide structure is a guide sleeve, the guide sleeve is welded and fixed on one of the left pull rod and the right pull rod, and the other of the left pull rod and the right pull rod penetrates through the guide sleeve and is in sliding fit with the guide sleeve.
The beneficial effects are that: the guide structure of uide bushing form is fairly simple, prepares easily, fixes on one of left pull rod and right pull rod through the welding mode, has made things convenient for the manufacturing of two cluster insulator dismounting device to the uide bushing parcel is in the outside of the other of left pull rod and right pull rod, and its direction effect can be better.
Furthermore, the guide sleeve comprises a right guide sleeve welded and fixed at the right end of the left pull rod and a left guide sleeve welded and fixed at the left end of the right pull rod, the right pull rod penetrates through the right guide sleeve and is in sliding fit with the right guide sleeve, and the left pull rod penetrates through the left guide sleeve and is in sliding fit with the left guide sleeve.
The beneficial effects are that: all be provided with the uide bushing on left pull rod and the right pull rod, any pull rod can all lead the removal about another pull rod, and the direction effect is better.
Furthermore, the guide structure is a guide sleeve, the guide sleeve is welded and fixed on one of the left pull rod and the right pull rod, and the other of the left pull rod and the right pull rod penetrates through the guide sleeve and is in sliding fit with the guide sleeve.
The beneficial effects are that: the guide structure of uide bushing form is fairly simple, prepares easily, fixes on one of left pull rod and right pull rod through the welding mode, has made things convenient for the manufacturing of two cluster insulator dismounting device to the uide bushing parcel is in the outside of the other of left pull rod and right pull rod, and its direction effect can be better.
Furthermore, the guide sleeve comprises a right guide sleeve welded and fixed at the right end of the left pull rod and a left guide sleeve welded and fixed at the left end of the right pull rod, the right pull rod penetrates through the right guide sleeve and is in sliding fit with the right guide sleeve, and the left pull rod penetrates through the left guide sleeve and is in sliding fit with the left guide sleeve.
The beneficial effects are that: all be provided with the uide bushing on left pull rod and the right pull rod, any pull rod can all lead the removal about another pull rod, and the direction effect is better.
Furthermore, the two parallel rods of the left pull rod are both fixed with the right guide sleeve, and the two parallel rods of the right pull rod are both fixed with the left guide sleeve.
The beneficial effects are that: all be provided with the uide bushing on two parallel bars of a pull rod, have two uide bushings on also promptly a pull rod, the direction effect is better.
Furthermore, the telescopic mechanism is a scissor type electric jack.
The beneficial effects are that: the scissor electric jack occupies small space, has large jacking force and is convenient to operate.
Furthermore, the left end of the left pull rod is connected to the left connecting plate through the left right-angle hanging plate, and the right end of the right pull rod is connected to the right connecting plate through the right-angle hanging plate.
The beneficial effects are that: left pull rod and right pull rod all come to be connected with the even board that corresponds through the right angle link plate, and the right angle link plate belongs to current ripe product, convenient configuration, the connection operation of being convenient for.
Drawings
Fig. 1 is a structural diagram of the dual-string insulator disassembling device of the present invention connected to the left connecting plate and the right connecting plate (the telescopic mechanism is in a contracted state);
FIG. 2 is a top view of FIG. 1;
fig. 3 is a structural diagram of the double insulator string disassembling apparatus of the present invention (the telescopic mechanism is in an extended state);
fig. 4 is a top view of fig. 3.
In the figure:
1-a left pull rod;
2-insulator string;
3-a left mounting plate;
4-left guide sleeve;
5-scissor jack;
6-right guide sleeve;
7-a right mounting plate;
8-right connecting plate;
9-right angle hanging plate;
10-a right pull rod;
11-left right-angle hanging plate;
12-left connecting plate;
13-left stiffener;
14-right reinforcing bar.
Detailed Description
The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless explicitly stated or limited otherwise; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
Before describing the double-string insulator disassembling device, firstly, a double-string insulator group, which is a disassembling object of the double-string insulator disassembling device, needs to be described, and as shown in fig. 1 and fig. 2, the double-string insulator group comprises a left connecting plate 12, a right connecting plate 8 and two insulator strings 2 connected between the left connecting plate 12 and the right connecting plate 8.
Specifically, left side is even board 12 and right side is even board 8 and all is isosceles triangle, and insulator chain 2's left end is connected on left side is even board 12 through the right angle link plate, and the right-hand member also is connected on right side is even board 8 through the right angle link plate, and two insulator chain 2 and the hookup location of left side even board 12 are located two base angle positions department of left side even board 12, and same two insulator chain 2 and the hookup location of right side even board 8 also are located two base angle positions department of right side even board 8.
The apex angle position department of the board 12 that links on the left side is connected with the U-shaped ring, is connected with the right angle link plate on the U-shaped ring, and is the same, and the apex angle position department of the board 8 that links on the right side also is connected with the U-shaped ring to also be connected with the right angle link plate on the U-shaped ring, the right angle link plate on the board 12 that links on the left side is connected shaft tower cross arm, another connecting wire with one of the right angle link plate on the board.
It should be noted that, the right angle hanging plate mentioned in the utility model belongs to current ripe product, convenient configuration, and its concrete structure and connected mode are no longer too much introduction.
Following the utility model discloses well double-string insulator dismounting device's embodiment introduces:
as shown in fig. 1 to 4, an embodiment 1 of the double-string insulator disassembling apparatus includes a left pull rod 1, a right pull rod 10, and a telescopic mechanism, where the telescopic mechanism in this embodiment is a scissor-type electric jack 5.
Left pull rod 1 is the U-shaped, and the left pull rod 1 of U-shaped includes the parallel bar of two parallels and connects the connecting rod of two parallel bars, and the U-shaped opening of left pull rod 1 sets up towards the left side, and the left end of two parallel bars of left pull rod 1 is connected respectively on board 12 is even on the left side, and is specific to be connected on board 12 is even on the left side through left right angle link plate 11.
In addition, in order to strengthen the structural strength of the left pull rod 1 and ensure the usability of the double-string insulator dismounting device, a left reinforcing rod 13 is welded and fixed between the two parallel rods of the left pull rod 1.
The right pull rod 10 also is the U-shaped, and the right pull rod 10 of U-shaped also includes the parallel bar of two parallels and connects the connecting rod of two parallel bars, and the U-shaped opening of right pull rod 10 sets up towards the right side, and the right-hand member of two parallel bars of right pull rod 10 is connected respectively on connecting board 8 on the right side, and is specific to be connected on connecting board 8 on the right side through right-angle link plate 9.
In addition, in order to strengthen the structural strength of the right pull rod 10 and ensure the usability of the double-string insulator dismounting device, a right reinforcing rod 14 is welded and fixed between two parallel rods of the right pull rod 10.
Overlap staggered arrangement from top to bottom of the right-hand member of left pull rod 1 and the left end of right pull rod 10, and it is under right pull rod 10 is last in this embodiment, left pull rod 1, as shown in fig. 2 and fig. 3, welded fastening has vertical right mounting panel 7 on the connecting rod of 1 right-hand member of left pull rod, and welded fastening has vertical left mounting panel 3 on the connecting rod of right pull rod 10 left end, and the face of left mounting panel 3 is less than the face of right mounting panel 7.
Scissor electric jack 5 also belongs to current ripe product, the utility model discloses only carry out simple introduction to its structure, scissor electric jack 5 mainly comprises four articulated connecting rods together, and wherein the position department at two diagonal angles is provided with the fixed plate respectively, and two fixed plates are one big one little. The other two opposite corners are in threaded connection with a lead screw, and the scissor electric jack further comprises a motor (not shown in the figure) in transmission connection with the lead screw. During the use, through the positive and negative rotation of motor, drive lead screw corotation or reversal to can drive two diagonal positions of being connected with the lead screw and be close to or keep away from, and then under the link mechanism effect, make the fixed plate of two other diagonal positions department close to each other or keep away from, reach the effect of shrink or extension, then just can push away through two fixed plates.
In this embodiment, the small fixing plate of the scissor electric jack 5 is fixedly connected with the left mounting plate 3, and the large fixing plate of the scissor electric jack 5 is fixedly connected with the right mounting plate 7, specifically, the small fixing plate and the right mounting plate are fixedly connected through screws, so that the scissor electric jack can be conveniently mounted and dismounted. Also, the small fixed plate of the scissor jack 5 actually constitutes the left telescoping end, while the large fixed plate actually constitutes the right telescoping end.
The layout form just enables the connecting rod and the lead screw of the scissor electric jack 5 to penetrate through the left pull rod 1 and the U-shaped gap with the pull rod 10, so that the scissor electric jack 5 can be conveniently and fixedly connected with the two pull rods, and the scissor electric jack 5 can be conveniently operated.
Thus, when the scissor jack 5 is in the retracted state, as shown in fig. 2, the total length of the left pull rod 1 and the right pull rod 10 is the longest, and at this time, the two insulator strings 2 in the double-string insulator group are in the tensioned normal working state, as shown in fig. 1. When the scissor electric jack 5 extends, as shown in fig. 3 and 4, the distance between the two fixing plates is increased, so that the left pull rod 1 and the right pull rod 10 are pushed to move oppositely, the left pull rod 1 and the right pull rod 10 drive the left connecting plate 12 and the right connecting plate 8 to move oppositely, the distance between the left pull rod 1 and the right pull rod is shortened, and the two insulator strings 2 are not tensioned, so that the two insulator strings can be conveniently detached and replaced.
In the process of opposite movement of the left pull rod 1 and the right pull rod 10, in order to ensure smooth movement and exert the maximum efficiency of the scissor electric jack 5, a guide structure for guiding the left and right movement of the other one is arranged on one of the left pull rod 1 and the right pull rod 10.
Specifically, the guide structure in this embodiment is a guide sleeve, and the guide sleeve has four guide sleeves, including a right guide sleeve 6 welded and fixed at the right end of the left pull rod 1 and a left guide sleeve 4 welded and fixed at the left end of the right pull rod 10, where there are two right guide sleeves 6 fixed on two parallel bars of the left pull rod 1 respectively, and there are two left guide sleeves 4 fixed on two parallel bars of the right pull rod 10 respectively.
Two right uide bushing 6 and two parallel rod coaxial settings of right pull rod 10, two parallel rod of right pull rod 10 pass right uide bushing 6 and sliding fit with it, and two left uide bushing 4 also are coaxial settings with two parallel rod of left pull rod 1 simultaneously, and two parallel rod of left pull rod 1 pass left uide bushing 4 and sliding fit with it.
Therefore, when the left pull rod 1 and the right pull rod 10 move towards or away from each other, any one pull rod can guide the left and right movement of the other pull rod, and the guiding effect is better.
The utility model discloses well double-string insulator dismounting device's theory of operation is:
when in use, the left pull rod 1 of the double-string insulator dismounting device is connected on the left connecting plate 12 through the left right-angle hanging plate 11, the right pull rod 10 is connected on the right connecting plate 8 through the right-angle hanging plate 9, then the motor of the scissor electric jack 5 is started, the motor drives the screw rod of the scissor electric jack 5 to rotate, so that under the action of the screw nut transmission mechanism and the connecting rod mechanism, the two fixed plates of the scissor electric jack 5 are gradually far away, the scissor electric jack 5 extends, thereby pushing the left pull rod 1 and the right pull rod 10 to move towards each other, increasing the overlapped and staggered parts of the left pull rod 1 and the right pull rod 10, meanwhile, the left connecting plate 12 and the right connecting plate 8 are pulled by the left pull rod 1 and the right pull rod 10 to move oppositely, the distance between the two connecting plates is shortened, the two insulator strings 2 are in a non-tensioning state, and then the insulator strings can be detached and replaced.
The utility model discloses a left-hand member of pull rod 1 overlaps with the left end of right-hand member 10 and interlocks, cut formula electric jack 5 like this when the extension, promote left pull rod 1 and right pull rod 10 and move in opposite directions, compare in pulling left pull rod 1 and right pull rod 10 and move in opposite directions, adopt the mode that produces thrust, can obtain great thrust through configuring suitable formula electric jack 5 of cutting more easily, thereby be convenient for the left side even board 1 and the right side even board 10's motion in opposite directions, and then be convenient for the dismantlement and the change of insulator chain, can satisfy various needs.
The utility model discloses well double-string insulator dismounting device's embodiment 2: the difference with the above embodiment is that the left end of the left pull rod is not connected to the left connecting plate through the right-angle hanging plate, and the right end of the right pull rod is not connected to the right connecting plate through the right-angle hanging plate, for example, when the plate thickness of the connecting plate is enough, an internal thread hole can be processed on the connecting plate, an external thread section is processed on the end of the pull rod, so that the pull rod is directly connected with the connecting plate through threads, and the pull rod can be conveniently detached and installed.
The utility model discloses well double-string insulator dismounting device's embodiment 3: the difference from the above embodiment is that the scissor jack does not include a motor, but manually rotates the lead screw via the handle.
The utility model discloses well double-string insulator dismounting device's embodiment 4: the difference from the above described embodiment is that the telescopic mechanism is not a scissor jack, but a rack jack.
The utility model discloses well double-string insulator dismounting device's embodiment 5: the difference from the above described embodiment is that the telescopic mechanism is not a scissor jack, but a screw jack.
The utility model discloses well double-string insulator dismounting device's embodiment 6: the difference from the above described embodiment is that the telescopic mechanism is not a scissor jack, but a hydraulic jack.
The utility model discloses well double-string insulator dismounting device's embodiment 7: the difference with the above embodiment is that only one of the two parallel rods of the left pull rod is fixed with the right guide sleeve, and similarly, one of the two parallel rods of the right pull rod is fixed with the left guide sleeve.
The utility model discloses well double-string insulator dismounting device's embodiment 8: the difference from the above embodiment is that only one guide sleeve is provided, and the guide sleeve can be welded and fixed on the left pull rod, and the right pull rod passes through the guide sleeve and is in sliding fit with the guide sleeve, or the guide sleeve is welded and fixed on the right pull rod, and the left pull rod passes through the guide sleeve and is in sliding fit with the guide sleeve.
The utility model discloses well double-string insulator dismounting device's embodiment 9: the difference from the above embodiment is that the guiding structure is not a guiding sleeve, for example, when the left and right pull rods are square rods, the guiding structure may be a U-shaped plate welded and fixed on one of the left and right pull rods, and the other of the left and right pull rods slides in the U-shaped plate to guide it.
The utility model discloses well two cluster insulator dismounting device's embodiment 10: the difference from the above embodiment is that the guide structure is not a guide sleeve, for example, the guide structure is a guide block welded and fixed on one of the left pull rod and the right pull rod, the guide block has a dovetail structure, at this time, a dovetail groove is processed on the other of the left pull rod and the right pull rod, and the dovetail structure on the guide block is in sliding fit with the dovetail groove guide.
The utility model discloses well double-string insulator dismounting device's embodiment 11: the difference with the above embodiment is that the connecting rods of the left and right pull rods are not welded with the fixed mounting plates, and the left and right telescopic ends of the telescopic mechanism are directly welded with the connecting rods of the left and right pull rods.
The utility model discloses well two cluster insulator dismounting device's embodiment 12: the difference from the above embodiment is that the left and right tie rods are not U-shaped, and may be straight rods, for example, and the left and right telescopic ends of the telescopic mechanism are directly connected to the ends of the left and right tie rods.
The utility model discloses well double-string insulator dismounting device's embodiment 13: the difference with the above embodiment is that when the left pull rod and the right pull rod are straight rods, two guide sleeves can still be arranged, that is, the guide sleeves include a right guide sleeve welded and fixed at the right end of the left pull rod and a left guide sleeve welded and fixed at the left end of the right pull rod, the right pull rod passes through the right guide sleeve and is in sliding fit with the right guide sleeve, and the left pull rod passes through the left guide sleeve and is in sliding fit with the left guide sleeve.
The utility model discloses well double-string insulator dismounting device's embodiment 14: the difference from the above embodiment is that when the left pull rod and the right pull rod are both straight rods, the guide structure may not be a guide sleeve, for example, the guide block is welded and fixed on one of the left pull rod and the right pull rod, the guide block has a dovetail structure, at this time, a dovetail groove is processed on the other of the left pull rod and the right pull rod, and the dovetail structure on the guide block is in sliding fit with the dovetail groove in a guide manner.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims (10)

1. Double-string insulator dismounting device, its characterized in that includes:
the left end of the left pull rod is used for being connected to a left connecting plate of the double-string insulator;
the right end of the right pull rod is used for being connected to a right connecting plate of the double-string insulator;
the telescopic mechanism is provided with a left telescopic end and a right telescopic end which can be relatively telescopic left and right;
the left end of the left pull rod and the left end of the right pull rod are overlapped and staggered, one of the left pull rod and the right pull rod is provided with a guide structure for guiding the left and right movement of the other pull rod, the left telescopic end of the telescopic mechanism is connected with the left end of the right pull rod, and the right telescopic end of the telescopic mechanism is connected with the right end of the left pull rod so as to push the left pull rod and the right pull rod to move in opposite directions when the telescopic mechanism extends, so that the distance between the left connecting plate and the right connecting plate is shortened.
2. The double-string insulator disassembling device according to claim 1, wherein the left pull rod and the right pull rod are both U-shaped, each of the left pull rod and the right pull rod includes two parallel rods and a connecting rod connecting the two parallel rods, the parallel rods are used for being connected with corresponding connecting plates of the double-string insulator, and a left telescopic end and a right telescopic end of the telescopic mechanism are respectively connected with the connecting rods of the left pull rod and the right pull rod.
3. The double-string insulator disassembling device according to claim 2, wherein the connecting rods of the left pull rod and the right pull rod are respectively welded and fixed with a mounting plate, and the left telescopic end and the right telescopic end of the telescopic mechanism are respectively fixedly connected with the mounting plate.
4. The double-string insulator disassembling apparatus according to claim 1, wherein the guiding structure is a guiding sleeve, the guiding sleeve is welded and fixed on one of the left pull rod and the right pull rod, and the other of the left pull rod and the right pull rod passes through the guiding sleeve and is in sliding fit with the guiding sleeve.
5. The double-string insulator dismounting device according to claim 4, wherein the guide sleeve comprises a right guide sleeve welded and fixed at the right end of the left pull rod and a left guide sleeve welded and fixed at the left end of the right pull rod, the right pull rod passes through the right guide sleeve and is in sliding fit with the right guide sleeve, and the left pull rod passes through the left guide sleeve and is in sliding fit with the left guide sleeve.
6. The double-string insulator disassembling device according to claim 2 or 3, wherein the guide structure is a guide sleeve, the guide sleeve is welded and fixed on one of the left pull rod and the right pull rod, and the other of the left pull rod and the right pull rod penetrates through the guide sleeve and is in sliding fit with the guide sleeve.
7. The double-string insulator disassembling apparatus according to claim 6, wherein the guide sleeve includes a right guide sleeve welded to the right end of the left pull rod and a left guide sleeve welded to the left end of the right pull rod, the right pull rod passes through and is slidably engaged with the right guide sleeve, and the left pull rod passes through and is slidably engaged with the left guide sleeve.
8. The double-string insulator disassembling apparatus according to claim 7, wherein the right guide sleeve is fixed to each of the two parallel rods of the left pull rod, and the left guide sleeve is fixed to each of the two parallel rods of the right pull rod.
9. The double-string insulator disassembling device according to any one of claims 1 to 5, wherein the telescopic mechanism is a scissor electric jack.
10. The double-string insulator dismounting device according to any one of claims 1-5, wherein the left end of the left pull rod is connected to the left connecting plate through a left right-angle hanging plate, and the right end of the right pull rod is connected to the right connecting plate through a right-angle hanging plate.
CN201921680299.4U 2019-10-09 2019-10-09 Double-string insulator dismounting device Active CN210806582U (en)

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Application Number Priority Date Filing Date Title
CN201921680299.4U CN210806582U (en) 2019-10-09 2019-10-09 Double-string insulator dismounting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921680299.4U CN210806582U (en) 2019-10-09 2019-10-09 Double-string insulator dismounting device

Publications (1)

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CN210806582U true CN210806582U (en) 2020-06-19

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Family Applications (1)

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