750 kv transmission line jumper insulator string replacement device

Abstract

The utility model discloses 750 kilovolt transmission line jumper wire insulator string replacement device relates to high -voltage transmission line technical field. Including cross arm, suspension subassembly, set up in the cross arm outside, be used for the device main body is hung in the cross arm, replace component, set up below the cross arm, be used for replacing insulator string. The utility model under the cooperation of the hanging plate and magnet plate can make device main body hang in the cross arm outside, realize the preliminary fixation of device and cross arm, can adjust the distance between connecting rod and suspension plate under the action of push rod to adapt to the insulator string replacement operation of different length, and the lantern ring slides on the fixed column and piston rod outer wall respectively, can satisfy the insulator replacement operation to different position, under the action of the I -beam, it is convenient to install the fixed box and dismantle, and the different size insulator can be fixed through the interval between the meniscus, and the arc clamping sleeve drives spring to move, can adapt to the different thickness insulator.

Description

TECHNICAL FIELD

[0001] The utility model relates to high -voltage transmission line technical field, concretely is 750 kilovolt transmission line jumper wire insulator string replacement device. BACKGROUND

[0002] Insulator is the important component of transmission line, is the only electrical insulation and important structural support, and the rationality of insulator performance and its configuration directly influences the safe and stable operation of line, and the service time of insulator is too long, and due to environmental pollution, the internal medium insulation level reduces, or due to lightning, the insulator breakdown leads to the reduction of wire to pole, tower etc.

[0003] The existing insulator replacement device can only replace single model insulator, and when facing the replacement of multiple specifications of insulator, not only is troublesome to use, but also there is the problem of consuming funds, therefore, 750 kilovolt transmission line jumper wire insulator string replacement device is provided. UTILITY MODEL CONTENTS

[0004] The utility model discloses a 750 kilovolt transmission line jumper wire insulator string replacement device, to solve the problem in the background art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: 750 kilovolt transmission line jumper wire insulator string replacement device, comprising: cross arm,

[0006] Suspension assembly is arranged outside the cross arm and is used for hanging the device body on the cross arm;

[0007] Replacement assembly is arranged below the cross arm and is used for replacing the insulator string;

[0008] The suspension assembly comprises a hanging plate, the hanging plate is located outside the cross arm, a magnet plate is arranged on one side of the inner wall of the hanging plate, a connecting rod is arranged at the bottom end of the hanging plate, and push rods are arranged on both sides of the bottom end of the connecting rod.

[0009] Further, the bottom end of the push rod is provided with a suspension plate, a plurality of fixed columns are arranged between the push rods, the top end of the fixed column is connected with the connecting rod, and a piston rod is arranged on the inner wall of the fixed column.

[0010] Further, one end of the piston rod penetrates to the outside of the fixed column and is connected with the suspension plate, a fixed ring is arranged on the other end of the piston rod, the fixed ring is located in the fixed column, and an isolation ring is arranged on the outer wall of the bottom end of the fixed column.

[0011] Further, the replacement assembly comprises a sleeve ring, the sleeve ring is arranged on the outer wall of the fixed column and the piston rod respectively, a I-shaped plate is arranged on the outer wall of the sleeve ring, and a fixed box is arranged on one side of the I-shaped plate.

[0012] Further, the fixed box one side inner wall is provided with a fixed frame, the fixed box inner side is provided with a two-way screw rod, the two-way screw rod two ends penetrate to the fixed box outer side, and its two ends outer wall is provided with a knob, the two-way screw rod outer wall is provided with a fixed seat symmetrically, and the fixed seat one side is provided with a meniscus.

[0013] Further, the meniscus inner wall two sides are provided with a plurality of springs, the spring other end is provided with an arc-shaped clamp sleeve, one of the meniscus inner side penetrates and is provided with a plug rod, the plug rod one end outer wall is provided with a nut, and the plug rod is located in the meniscus inner side through a fixed ring.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The 750kV transmission line jumper insulator string replacement device can be hung outside the cross arm under the cooperation of the hanging plate and the magnet plate, the device body is preliminarily fixed to the cross arm, the distance between the connecting rod and the hanging plate can be adjusted under the action of the push rod, so that the insulator string replacement operation of different lengths is adapted, the sleeve ring slides on the outer wall of the fixed column and the piston rod, so that the insulator replacement operation of different positions is adapted, the fixed box is convenient to install and dismount under the action of the I-shaped plate, the insulator of different sizes can be fixed by adjusting the distance between the menisci, the spring is moved by the arc-shaped clamp sleeve, so that the insulator of different thicknesses is adapted, and then the insulator string replacement of different insulators is adapted, and the versatility of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an isometric side working state schematic view of the utility model;

[0017] Figure 2 It is an isometric side partial schematic view of the utility model;

[0018] Figure 3 It is a hanging assembly cross section schematic view of the utility model;

[0019] Figure 4 It is a replacement assembly schematic view of the utility model;

[0020] Figure 5 It is a replacement assembly cross section schematic view of the utility model;

[0021] Figure 6 It is a meniscus cross section schematic view of the utility model.

[0022] In the figure: 1, cross arm; 2, hanging assembly; 201, connecting rod; 202, hanging plate; 203, magnet plate; 204, push rod; 205, suspended plate; 206, piston rod; 207, fixed column; 208, fixed ring; 209, isolation ring; 3, replacement assembly; 301, fixed box; 302, collar; 303, I-shaped plate; 304, knob; 305, meniscus; 306, insertion rod; 307, bidirectional screw rod; 308, fixed seat; 309, fixed frame; 310, nut; 311, spring; 312, arc-shaped clamp sleeve. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance. The electrical components appearing in the text are all electrically connected with the host controller and 220V mains, and the host controller can be a conventional known device such as a computer.

[0025] In the description of the embodiments of the utility model, it should be noted that the directions or position relationships indicated by the terms "inner", "outer", "upper" and the like are based on the directions or position relationships shown in the drawings, or the directions or position relationships commonly placed when the utility model product is used, which are only for the convenience of describing the utility model and simplifying the description, and are not indicative or implied that the indicated devices or elements must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the utility model.

[0026] As shown in Figures 1-6 The utility model provides a technical scheme: 750 kilovolt transmission line jumper wire insulator string replacement device, including cross arm 1, the insulator of transmission line is installed on the cross arm 1 of tower through the fitting connection, the cross arm 1 can guarantee the safe and stable operation of line, the cross arm 1 and insulator are prior art, here do not repeat too much, hanging assembly 2, set up in the lateral of cross arm 1, for the device main body is hung in the cross arm 1, it is convenient for replacement assembly 3 to further fix the insulator, replacement assembly 3, set up below cross arm 1, for replacing the insulator string, and can adapt to different specifications size's insulator string.

[0027] As shown in Figures 1-6 the embodiment of the application, the suspension assembly 2 comprises a hanging plate 202 located outside the cross arm 1, a magnet plate 203 is arranged on one side of the inner wall of the hanging plate 202, and a connecting rod 201 is arranged at the bottom end of the hanging plate 202. Specifically, under the cooperation of the magnet plate 203 and the hanging plate 202, the device can be hung outside the cross arm 1. Since the cross arm 1 is usually made of iron material, the magnet plate 203 can be inlaid on the inner side of the inner wall of the hanging plate 202 to adsorb the cross arm 1 of the tower, thereby realizing the preliminary fixation of the device and the cross arm 1.

[0028] As shown in Figures 1-6 the embodiment of the application, the bottom end of the connecting rod 201 is provided with a push rod 204, the bottom end of the push rod 204 is provided with a suspension plate 205, a plurality of fixing columns 207 are arranged between the push rods 204, the top end of the fixing column 207 is connected with the connecting rod 201, a piston rod 206 is arranged in the inner wall of the fixing column 207. Specifically, after the hanging plate 202 is adsorbed on the outer side of the cross arm 1 by the magnet plate 203, the hanging plate 202 is fixedly connected with the connecting rod 201, so that the connecting rod 201 can be hung outside the insulator string. Under the action of the hanging plate 202, the position of the connecting rod 201 is fixed. Then, the push rod 204 is started. The push rod 204 of the application is connected with an external power supply and controlled by a control system. Under the action of the push rod 204, the distance between the connecting rod 201 and the suspension plate 205 can be extended, so as to adapt to insulator strings of different lengths. Under the action of the push rod 204, the piston rod 206 will slide in the inner wall of the fixing column 207, thereby adapting to the distance change between the connecting rod 201 and the suspension plate 205.

[0029] As shown in Figures 1-6 the embodiment of the application, one end of the piston rod 206 penetrates to the outside of the fixing column 207 and is connected with the suspension plate 205, the other end of the piston rod 206 is provided with a fixing ring 208, the fixing ring 208 is located in the fixing column 207, and the bottom end of the fixing column 207 is provided with a separation ring 209. Specifically, under the cooperation of the piston rod 206 and the fixing column 207, the distance change between the connecting rod 201 and the suspension plate 205 can be adapted. The bottom end of the piston rod 206 is fixedly connected with the suspension plate 205, the top end of the fixing column 207 is fixedly connected with the connecting rod 201, the inner wall of the fixing column 207 is provided with an annular sliding groove which does not penetrate to the outside of the fixing column 207. The inner diameter of the annular sliding groove is the same as the outer diameter of the fixing ring 208. During the sliding process of the piston rod 206, the fixing ring 208 slides along the annular sliding groove in the fixing column 207. The fixing ring 208 is fixedly connected with the piston rod 206. The bottom end of the fixing column 207 is fixedly provided with the separation ring 209, and the separation ring 209 is used to limit the sliding distance of the sleeve ring 302.

[0030] AsFigures 1-6 As shown in the embodiments of the present application, the replacement assembly 3 comprises a sleeve 302 located on the outer wall of the fixed column 207 and the piston rod 206 respectively, and a channel plate 303 is arranged on the outer wall of the sleeve 302, and a fixed box 301 is arranged on one side of the channel plate 303. Specifically, the position of the fixed box 301 can be adjusted under the action of the sleeve 302, and the sleeve 302 slides on the outer wall of the fixed column 207 and the piston rod 206 respectively, so that the position of the insulator corresponding to the sleeve 302 can be adjusted. Therefore, the insulator that needs to be replaced can be replaced individually without replacing the entire insulator string. The channel plate 303 is fixedly connected to one side of the fixed box 301, and a groove adapted to the channel plate 303 is arranged on the sleeve 302. Under the cooperation of the groove and the channel plate 303, the fixed box 301 can be conveniently replaced and disassembled.

[0031] As shown in the embodiments of the present application, the replacement assembly 3 comprises a sleeve 302 located on the outer wall of the fixed column 207 and the piston rod 206 respectively, and a channel plate 303 is arranged on the outer wall of the sleeve 302, and a fixed box 301 is arranged on one side of the channel plate 303. Specifically, the position of the fixed box 301 can be adjusted under the action of the sleeve 302, and the sleeve 302 slides on the outer wall of the fixed column 207 and the piston rod 206 respectively, so that the position of the insulator corresponding to the sleeve 302 can be adjusted. Therefore, the insulator that needs to be replaced can be replaced individually without replacing the entire insulator string. The channel plate 303 is fixedly connected to one side of the fixed box 301, and a groove adapted to the channel plate 303 is arranged on the sleeve 302. Under the cooperation of the groove and the channel plate 303, the fixed box 301 can be conveniently replaced and disassembled. Figures 1-6 As shown in the embodiments of the present application, the replacement assembly 3 comprises a sleeve 302 located on the outer wall of the fixed column 207 and the piston rod 206 respectively, and a channel plate 303 is arranged on the outer wall of the sleeve 302, and a fixed box 301 is arranged on one side of the channel plate 303. Specifically, the position of the fixed box 301 can be adjusted under the action of the sleeve 302, and the sleeve 302 slides on the outer wall of the fixed column 207 and the piston rod 206 respectively, so that the position of the insulator corresponding to the sleeve 302 can be adjusted. Therefore, the insulator that needs to be replaced can be replaced individually without replacing the entire insulator string. The channel plate 303 is fixedly connected to one side of the fixed box 301, and a groove adapted to the channel plate 303 is arranged on the sleeve 302. Under the cooperation of the groove and the channel plate 303, the fixed box 301 can be conveniently replaced and disassembled.

[0032] AsFigures 1-6 As shown in the embodiments of the present application, a plurality of springs 311 are arranged on the inner wall of the meniscus 305, and the other end of the spring 311 is provided with an arc-shaped sleeve 312, one end of the plug rod 306 is provided with a nut 310, and the plug rod 306 is located in the inner side of the meniscus 305 through the fixing ring 208. Specifically, under the action of the meniscus 305, the insulator can be fixed, and when the insulator is fixed, the edge of the insulator will enter the inner wall of the meniscus 305 through the arc-shaped slot on one side of the meniscus 305, and when it enters the inner wall, the insulator will enter between the arc-shaped sleeves 312, thereby driving the arc-shaped sleeves 312 to be extruded to the both sides of the inner wall of the meniscus 305, thereby driving the spring 311 to be compressed. The deformation force generated by the compression of the spring 311 will further act on the arc-shaped sleeve 312, thereby fixing the insulator. It should be noted that when the spring 311 reaches the maximum deformation, the distance between the arc-shaped sleeves 312 is the same as the width of the arc-shaped slot on the meniscus 305, at this time, the maximum thickness of the insulator can be met. The plug rod 306 can be fixed and connected between the two menisci 305, the plug rod 306 is provided with a fixing ring 208 on the outer wall, under the action of the fixing ring 208, the plug rod 306 is limited in the inner side of one of the menisci 305, the plug rod 306 is fixedly connected with the fixing ring 208, and the plug rod 306 is provided with a screw thread on the outer wall. After the meniscus 305 fixes the insulator, the plug rod 306 will pass through the circular hole on the other meniscus 305, then the nut 310 is removed and installed on the outer side of the other meniscus 305, under the action of the nut 310, the menisci 305 can be fixedly connected, and the diameter of the nut 310 is greater than the diameter of the circular hole. The length of the plug rod 306 will be adjusted according to the actual situation, and the length should be greater than the distance between the both ends of the meniscus 305 when the meniscus 305 is located in the inner wall of the fixing box 301.

[0033] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended embodiments and their equivalents.

Claims

1. 750 kV transmission line jumper insulator string replacement device, including: The crossarm (1) is characterized by: The suspension assembly (2) is located on the outside of the crossarm (1) and is used to suspend the main body of the device on the crossarm (1); Replacement component (3), located below crossarm (1), is used to replace the insulator string; The suspension assembly (2) includes a suspension plate (202), which is located outside the crossbeam (1). A magnet plate (203) is provided on one side of the inner wall of the suspension plate (202). A connecting rod (201) is provided at the bottom end of the suspension plate (202), and push rods (204) are provided on both sides of the bottom end of the connecting rod (201).

2. The 750 kV transmission line jumper insulator string replacement device according to claim 1, characterized in that: The bottom end of the push rod (204) is provided with a suspension plate (205), and several fixed columns (207) are provided between the push rods (204). The top end of the fixed column (207) is connected to the connecting rod (201), and a piston rod (206) is provided on the inner wall of the fixed column (207).

3. The 750 kV transmission line jumper insulator string replacement device according to claim 2, characterized in that: One end of the piston rod (206) extends through to the outside of the fixed column (207) and is connected to the suspended plate (205). A fixing ring (208) is provided on the outer wall of the other end of the piston rod (206). The fixing ring (208) is located inside the fixed column (207). An isolation ring (209) is provided on the outer wall of the bottom end of the fixed column (207).

4. The 750 kV transmission line jumper insulator string replacement device according to claim 1, characterized in that: The replacement component (3) includes a collar (302), which is located on the outer wall of the fixed column (207) and the piston rod (206). An I-shaped plate (303) is provided on the outer wall of the collar (302), and a fixed box (301) is provided on one side of the I-shaped plate (303).

5. The 750 kV transmission line jumper insulator string replacement device according to claim 4, characterized in that: A fixing frame (309) is provided on one side of the inner wall of the fixing box (301). A two-way screw (307) is provided on the inner side of the fixing box (301). Both ends of the two-way screw (307) extend to the outer side of the fixing box (301), and knobs (304) are provided on the outer walls of both ends. Fixing seats (308) are symmetrically provided on the outer walls of the two-way screw (307). A meniscus (305) is provided on one side of the fixing seat (308).

6. The 750 kV transmission line jumper insulator string replacement device according to claim 5, characterized in that: Multiple springs (311) are provided on both sides of the inner wall of the meniscus (305). An arc-shaped sleeve (312) is provided at the other end of the spring (311). A rod (306) is provided through the inner side of the meniscus (305). A nut (310) is provided on the outer wall of one end of the rod (306). The rod (306) is located inside the meniscus (305) through a fixing ring (208).

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