Special tool for disassembling and assembling high-voltage switch spring

Abstract

The utility model discloses a special tool for disassembling and assembling a high-voltage switch spring, and relates to the technical field of spring disassembling and assembling. The device comprises a clamping shovel, a supporting rod is arranged above the clamping shovel, an extending assembly is arranged above the supporting rod, a horizontal rod is arranged on the right side of the clamping shovel, the extending assembly comprises an extending rod, a sliding groove is formed in the front face of the extending rod, a positioning groove is formed in the left side of the sliding groove, and a connecting rod is fixedly connected to the top of the supporting rod. The extension assembly is arranged, specifically, the bolt is rotated anticlockwise to be separated from the connecting rod, fixation of the extension rod is removed, the extension rod can be pulled to adjust the length, then the bolt is rotated clockwise to be in contact with the connecting rod, the extension rod is fixed, and the length of the supporting rod is adjusted and finely adjusted within cm. The tool can be used for disassembling and assembling energy storage springs of KV and KV all models of circuit breakers, and the tool is made of stainless steel and has higher hardness and toughness.

Description

Technical Field

[0001] The utility model belongs to the technical field of spring disassembly and assembly, in particular to a special tool for disassembly and assembly of a high-voltage switch spring. Background Art

[0002] The high-voltage switch spring consists of a spring and spring hanging plates installed at the upper and lower ends of the spring. In the switch cabinet mechanism, one end of the crank arm is connected to the energy storage shaft and the other end is connected to the screw rod. When disassembling the high-voltage switch spring, it is generally necessary to use tools such as a lift lever for disassembly.

[0003] The existing spring removal tools can only be used on 10KVVS1 trolley switches. In view of the problems existing in the existing spring disassembly and assembly tools on the market, this tool is suitable for all current 10KV trolley switches through fine-tuning of the length; the 35KV switch energy storage spring can be disassembled and assembled by replacing the shovel; this tool is made of stainless steel, which has higher hardness and toughness than the iron material of products on the market. Utility Model Content

[0004] The purpose of the utility model is to provide a special tool for disassembling and assembling high-voltage switch springs. By setting an extension component and adjusting the length of the support rod and fine-tuning within five centimeters, the disassembly and assembly of energy storage springs of all models of KV and KV circuit breakers can be achieved. The tool is made of stainless steel with higher hardness and toughness, which solves the problem that existing spring disassembly tools can only be used on KVVS trolley switches.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a special tool for disassembling and assembling a high-voltage switch spring, comprising a clamping shovel, a support rod is arranged above the clamping shovel, an extension assembly is arranged above the support rod, a horizontal rod is arranged on the right side of the clamping shovel, the extension assembly comprises an extension rod, a slide groove is arranged on the front side of the extension rod, and a positioning groove is arranged on the left side of the slide groove;

[0007] A connecting rod is fixedly connected to the top of the support rod, a threaded hole is opened on the right side of the extension rod, and a bolt is threadedly connected to the inner wall of the threaded hole. By setting an extension component, specifically, turning the bolt counterclockwise to make it leave the connecting rod, the fixation of the extension rod is released, and the extension rod can be pulled to adjust the length, and then the bolt is turned clockwise to make it contact with the connecting rod to fix the extension rod. By adjusting the length of the support rod and fine-tuning within cm, the energy storage springs of all models of KV and KV circuit breakers can be disassembled and assembled, and this tool is made of stainless steel with higher hardness and toughness.

[0008] Furthermore, a block is fixedly connected to the front of the connecting rod, the outer surface of the block contacts the inner wall of the positioning groove, the block is adapted to the slide groove, the interior of the extension rod is a cavity, the inner wall of the extension rod contacts the outer surface of the connecting rod, the block is used to limit the movement of the extension rod, and the total length of the adjustment distance of the extension rod is five centimeters.

[0009] Furthermore, a threaded groove is provided on the top of the extension rod, a threaded block is threadedly connected to the inner wall of the threaded groove, a swivel is fixedly connected to the outer surface of the threaded block, and a limiting rod is fixedly connected to the top of the threaded block. The threaded block is used to protect the extension rod so that the extension rod will not be damaged when it is squeezed, and the limiting rod is used to limit it to avoid slipping.

[0010] Furthermore, an insert block is fixedly connected to the left side of the horizontal rod, a positioning hole is provided on the top of the insert block, a connecting block is fixedly connected to the bottom of the shovel, a card slot is provided inside the connecting block, a movable slot is provided inside the shovel, and an insert rod is slidably connected to the inner wall of the movable slot. By setting the insert block, specifically, the bottom of the support rod is plugged into the fixed block, the support rod is fixed by a pin shaft and a hexagonal nut, and then the insert rod is pulled upward, and then the insert block is plugged into the connecting block, and the insert rod is released, so that the insert rod enters the positioning hole on the top of the insert block, and the horizontal rod is installed. Through the splicing installation, the shovel can be disassembled and replaced more conveniently, which is convenient for use.

[0011] Furthermore, the outer surface of the insertion rod is fixedly connected to a limiting ring, the outer surface of the limiting ring contacts the inner wall of the movable groove, the bottom of the shovel is fixedly connected to a limiting block, and the limiting ring is used to limit the insertion rod to prevent the insertion rod from moving out of the shovel.

[0012] Furthermore, two fixed blocks are fixedly connected to the top of the shovel, a pin is inserted inside the fixed block, and a hexagonal nut is threaded on the outer surface of the pin. An arc groove is provided on the left side of the shovel, and the bottom of the support rod is inserted into the fixed block. A rotating hole is provided at the bottom of the support rod, and the pin is inserted into the support rod through the rotating hole. The arc groove can easily contact with the spring, thereby increasing the contact area, making disassembly or assembly safer and preventing the spring from slipping.

[0013] Furthermore, the left side of the bolt contacts the right side of the connecting rod, the plug block is plugged into the connecting block, the bottom of the plug rod is plugged into the positioning hole opened at the top of the plug block, the left side of the plug block contacts the right side of the limit block, and the limit block is used to position the plug block, so that the positioning hole can be accurately moved to the bottom of the plug rod.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model sets an extension component, specifically, rotates the bolt counterclockwise to make it leave the connecting rod, releases the fixation of the extension rod, and then pulls the extension rod to adjust the length, and then rotates the bolt clockwise to make it contact with the connecting rod to fix the extension rod. By adjusting the length of the support rod and fine-tuning within cm, the energy storage springs of all models of KV and KV circuit breakers can be disassembled and assembled, and the tool is made of stainless steel with higher hardness and toughness.

[0016] 2. The utility model sets an insert block, specifically, inserts the bottom of the support rod with the fixed block, fixes the support rod with a pin shaft and a hexagonal nut, pulls the insert rod upward, and then inserts the insert block with the connecting block, loosens the insert rod, and the insert rod enters the positioning hole at the top of the insert block, and the horizontal rod is installed. Through the splicing installation, the shovel can be disassembled and replaced more conveniently, which is convenient for use.

[0017] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for describing the embodiment will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the top structure of the utility model shovel;

[0021] Figure 3 This is a schematic diagram of the overall structure of the extension rod of the utility model;

[0022] Figure 4 This is a schematic diagram of the internal cross-sectional structure of the extension rod of the utility model;

[0023] Figure 5 This is a schematic diagram of the internal cross-sectional structure of the utility model shovel;

[0024] Figure 6 The utility model is a schematic diagram of the bottom structure of the shovel.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1. Shovel; 11. Support rod; 111. Connecting rod; 112. Block; 12. Extension assembly; 121. Extension rod; 122. Slide; 221. Positioning groove; 123. Threaded block; 231. Swivel; 232. Limit rod; 124. Bolt; 13. Horizontal rod; 131. Insert block; 14. Connecting block; 141. Insert rod; 142. Limit ring; 143. Limit block; 15. Fixing block; 151. Pin; 152. Hexagonal nut; 16. Arc groove. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-6 As shown, the utility model is a special tool for disassembling and assembling a high-voltage switch spring, comprising a shovel 1, a support rod 11 is arranged above the shovel 1, an extension assembly 12 is arranged above the support rod 11, a horizontal rod 13 is arranged on the right side of the shovel 1, the extension assembly 12 comprises an extension rod 121, a slide groove 122 is arranged on the front side of the extension rod 121, and a positioning groove 221 is arranged on the left side of the slide groove 122;

[0029] A connecting rod 111 is fixedly connected to the top of the support rod 11, and a threaded hole is opened on the right side of the extension rod 121. A bolt 124 is threadedly connected to the inner wall of the threaded hole. By setting the extension component 12, specifically, the bolt 124 is rotated counterclockwise to make it leave the connecting rod 111, and the fixation of the extension rod 121 is released. The extension rod 121 can be pulled to adjust the length, and then the bolt 124 is rotated clockwise to make it contact with the connecting rod 111 to fix the extension rod 121. By adjusting the length of the support rod 11 and fine-tuning within 5 cm, the disassembly and assembly of energy storage springs of all types of circuit breakers of 10KV and 35KV can be realized, and this tool is made of stainless steel with higher hardness and toughness.

[0030] The front of the connecting rod 111 is fixedly connected with a clamping block 112 , the outer surface of the clamping block 112 contacts the inner wall of the positioning groove 221 , the clamping block 112 is adapted to the sliding groove 122 , the interior of the extension rod 121 is a cavity, and the inner wall of the extension rod 121 contacts the outer surface of the connecting rod 111 .

[0031] A thread groove is formed on the top of the extension rod 121 , a thread block 123 is threadedly connected to the inner wall of the thread groove, a swivel 231 is fixedly connected to the outer surface of the thread block 123 , and a limit rod 232 is fixedly connected to the top of the thread block 123 .

[0032] A plug block 131 is fixedly connected to the left side of the horizontal rod 13, and a positioning hole is provided on the top of the plug block 131. A connecting block 14 is fixedly connected to the bottom of the shovel 1. A card slot is provided inside the connecting block 14, and a movable slot is provided inside the shovel 1. An insert rod 141 is slidably connected to the inner wall of the movable slot. By setting the plug block 131, specifically, the bottom of the support rod 11 is plugged into the fixed block 15, the support rod 11 is fixed by the pin shaft 151 and the hexagonal nut 152, and then the insert rod 141 is pulled upward, and then the plug block 131 is plugged into the connecting block 14, and the insert rod 141 is loosened, so that the insert rod 141 enters the positioning hole at the top of the plug block 131, and the horizontal rod 13 is installed. Through the splicing installation, the shovel 1 can be disassembled and replaced more conveniently, which is convenient for use.

[0033] The outer surface of the insert rod 141 is fixedly connected to a limiting ring 142 , the outer surface of the limiting ring 142 contacts the inner wall of the moving groove, and the bottom of the shovel 1 is fixedly connected to a limiting block 143 .

[0034] Two fixing blocks 15 are fixedly connected to the top of the shovel 1. A pin shaft 151 is inserted inside the fixing block 15. A hexagonal nut 152 is threadedly connected to the outer surface of the pin shaft 151. An arc groove 16 is opened on the left side of the shovel 1.

[0035] The bottom of the support rod 11 is plugged into the fixed block 15 . A rotation hole is provided at the bottom of the support rod 11 , and the pin 151 is plugged into the support rod 11 through the rotation hole.

[0036] The left side of the bolt 124 contacts the right side of the connecting rod 111 , the insert block 131 is plugged into the connecting block 14 , the bottom of the insert rod 141 is plugged into the positioning hole opened at the top of the insert block 131 , and the left side of the insert block 131 contacts the right side of the limit block 143 .

[0037] A specific application of this embodiment is:

[0038] When in use, first thread the bottom of the threaded block 123 and the top of the extension rod 121, so that the threaded block 123 is fixed on the extension rod 121, and the bottom of the support rod 11 is plugged into the fixing block 15, and then the pin shaft 151 is plugged into the fixing block 15 and the support rod 11 respectively, and then the hexagonal nut 152 is threadedly connected with the pin shaft 151, and the pin shaft 151 is fixed, and the support rod 11 is installed on the fixing block 15, and then the plug rod 141 is pulled upward, and then the plug block 131 on the left side of the horizontal rod 13 is plugged into the connecting block 14. When the left side of the plug block 131 contacts the limit block 143, the plug rod 141 is released, and the plug rod 141 enters the positioning hole at the top of the plug block 131, and the horizontal rod 13 is installed. Through the splicing installation, it is more convenient to disassemble and replace the shovel 1, and the tool is made of stainless steel as a whole, which is stronger and more durable. After the assembly is completed, the shovel 1 is inserted into the bottom of the spring, so that the connecting block 14 contacts the bottom of the box body, The top of the threaded block 123 contacts the top of the box body, and the limiting rod 232 plays a limiting role to prevent the threaded block 123 from slipping. Then, by pressing the horizontal rod 13, the connecting block 14 is used as a fulcrum to drive the shovel 1 to tilt up, thereby pushing the spring upward for disassembly. When it is necessary to disassemble and assemble different types of circuit breaker energy storage springs, turn the bolt 124 counterclockwise to make it leave the connecting rod 111, release the fixation of the extension rod 121, and then turn the swivel 231 to drive the extension rod 121 to rotate together, so that the block 112 enters the slide groove 122, and then pulls the extension rod 121 to make the block 112 slide in the slide groove 122, adjust the length of the extension rod 121, and then turn the bolt 124 clockwise to make it contact with the connecting rod 111 to fix the extension rod 121. By adjusting the length of the support rod 11 and fine-tuning within 5 cm, the disassembly and assembly of all types of circuit breaker energy storage springs of 10KV and 35KV can be achieved.

[0039] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A special tool for disassembling and assembling a high-voltage switch spring, comprising a clamping shovel (1), a support rod (11) being arranged above the clamping shovel (1), and an extension component (12) being arranged above the support rod (11), characterized in that: A horizontal rod (13) is arranged on the right side of the shovel (1), and the extension assembly (12) comprises an extension rod (121), a slide groove (122) is arranged on the front side of the extension rod (121), and a positioning groove (221) is arranged on the left side of the slide groove (122); The top of the support rod (11) is fixedly connected with a connecting rod (111), and the right side of the extension rod (121) is provided with a threaded hole, and the inner wall of the threaded hole is threadedly connected with a bolt (124).

2. The special tool for disassembling and assembling a high-voltage switch spring according to claim 1, characterized in that: A clamping block (112) is fixedly connected to the front of the connecting rod (111); the outer surface of the clamping block (112) contacts the inner wall of the positioning groove (221); the clamping block (112) is adapted to the sliding groove (122); the interior of the extension rod (121) is provided with a cavity; the inner wall of the extension rod (121) contacts the outer surface of the connecting rod (111).

3. The special tool for disassembling and assembling a high-voltage switch spring according to claim 2, characterized in that: A thread groove is formed at the top of the extension rod (121); a thread block (123) is threadedly connected to the inner wall of the thread groove; a swivel (231) is fixedly connected to the outer surface of the thread block (123); and a limit rod (232) is fixedly connected to the top of the thread block (123).

4. The special tool for disassembling and assembling a high-voltage switch spring according to claim 3, characterized in that: The left side of the horizontal rod (13) is fixedly connected with an insert block (131), the top of the insert block (131) is provided with a positioning hole, the bottom of the clamping shovel (1) is fixedly connected with a connecting block (14), the interior of the connecting block (14) is provided with a clamping groove, the interior of the clamping shovel (1) is provided with a movable groove, and the inner wall of the movable groove is slidably connected with an insert rod (141).

5. The special tool for disassembling and assembling a high-voltage switch spring according to claim 4, characterized in that: The outer surface of the insertion rod (141) is fixedly connected to a limiting ring (142), the outer surface of the limiting ring (142) contacts the inner wall of the movable groove, and the bottom of the shovel (1) is fixedly connected to a limiting block (143).

6. The special tool for disassembling and assembling a high-voltage switch spring according to claim 4, characterized in that: The top of the shovel (1) is fixedly connected with two fixing blocks (15), a pin shaft (151) is inserted inside the fixing block (15), and a hexagonal nut (152) is threadedly connected to the outer surface of the pin shaft (151), and an arc groove (16) is opened on the left side of the shovel (1).

7. The special tool for disassembling and assembling a high-voltage switch spring according to claim 6, characterized in that: The bottom of the support rod (11) is plugged into the fixed block (15), and a rotation hole is provided at the bottom of the support rod (11), and the pin shaft (151) is plugged into the support rod (11) through the rotation hole.

8. The special tool for disassembling and assembling a high-voltage switch spring according to claim 5, characterized in that: The left side of the bolt (124) contacts the right side of the connecting rod (111), the insert block (131) is plugged into the connecting block (14), the bottom of the insert rod (141) is plugged into a positioning hole provided at the top of the insert block (131), and the left side of the insert block (131) contacts the right side of the limit block (143).

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