Isolating switch static arc contact assembling and disassembling tool
By designing a static arc contact assembly and disassembly tooling for isolating switch equipment, the problem of unreliable tightening of arc contacts is solved, a more stable fastening effect is achieved, and the operation safety of the equipment is improved.
Patent Information
- Application Number
- CN202420866901.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-24
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-04-24
AI Technical Summary
The arc contacts of existing isolating switch equipment are not fastened and loose, which affects the operation safety of the equipment.
A disconnector arc contact assembly and disassembly tool assembly is designed, including a positioning member, a first and second operating rod, a first and second fastener and a fastening hook. Through the cooperation of these components, the arc contact can be effectively tightened.
The arc contacts are firmly tightened, loosening is avoided, and the operation safety and tightening effect of the equipment are improved.
Smart Images
Figure CN222653821U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric power equipment, in particular to an assembling and disassembling tool for static arc contacts of an isolating switch. Background Art
[0002] Sulfur hexafluoride enclosed switchgear (GIS) is an important high-voltage power equipment. Sulfur hexafluoride enclosed switchgear has the characteristics of small size, small footprint, no influence from the external environment, safe and reliable operation, flexible configuration, simple maintenance, and long maintenance cycle. Isolating switch is one of the important components of GIS equipment. Among them, the arc contact needs to withstand the equipment's no-load separation and closing, and close the no-load current. During each separation and closing process, the arc contact and the main contact collide, compress the spring, and then the main contact closes to form a line conduction. In the past, the arc contact of the isolating switch equipment had many cases of loose fastening and looseness, which brought major hidden dangers to the running equipment. A guide ring is set on the outside of the arc contact, and there is a gap between the arc contact and the guide ring. Generally, a tool is used to extend into the gap between the arc contact and the guide ring, and then the arc contact is tightened. The arc contact of the original structure is tightened by tool clamping, and the tightening effect is not good. The edge of the newly set arc contact has a tightening groove, so a new tool is needed to tighten the arc contact. Utility Model Content
[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a static arc contact assembly and disassembly tool for an isolating switch, which solves the problem that the arc contact of the original structure is fastened by clamping the tool, but the fastening effect is poor.
[0004] According to an embodiment of the utility model, a static arc contact assembly and disassembly tool for an isolating switch comprises:
[0005] A positioning member, wherein a first through hole and a second through hole are arranged at intervals on the positioning member;
[0006] A first operating rod is slidably inserted into the first through hole, the first operating rod is rotatably connected to the first through hole, and one end of the first operating rod is provided with a first fastening hook for extending into the fastening groove of the arc contact;
[0007] a first fastener connected to the first operating rod, the first fastener abutting against the positioning member, the first fastener being located on a side of the positioning member away from the first fastening hook, and the first fastener being used to adjust the length of the end of the first operating rod having the first fastening hook extending out of the positioning member;
[0008] a second operating rod, slidably inserted into the second through hole, the second operating rod being rotatably connected in the second through hole, and one end of the second operating rod being provided with a second fastening hook for extending into the fastening groove of the arc contact;
[0009] A second fastener is connected to the second operating rod, the second fastener abuts the positioning member, the second fastener is located on a side of the positioning member away from the second fastening hook, and the second fastener is used to adjust the length of the end of the second operating rod with the second fastening hook extending out of the positioning member.
[0010] According to the embodiment of the utility model, a static arc contact assembly and disassembly tool for an isolating switch has at least the following beneficial effects:
[0011] The first fastening hook extends into the gap between the arc contact and the guide ring, and the second fastening hook extends into the gap between the arc contact and the guide ring. The first operating rod and the second operating rod are rotated so that the first fastening hook and the second fastening hook can extend into the fastening groove of the arc contact, and then hook the arc contact. The first fastener locks the first operating rod, and the second fastener locks the second operating rod, so that the positioning member fits the end face of the arc contact. The positioning member is rotated to drive the first operating rod and the second operating rod to rotate, and the arc contact is driven to rotate (the first fastening hook and the second fastening hook push the inner wall of the fastening groove of the arc contact) to fasten the arc contact. After the arc contact is fastened, the first fastener and the second fastener are loosened, and the first fastening hook and the second fastening hook are adjusted to disengage from the fastening groove of the arc contact, and then the tooling is taken out. The structure is simple, the operation is convenient, and the fastening effect of the arc contact is good.
[0012] According to some embodiments of the utility model, the first operating rod is provided with a first external thread, the second operating rod is provided with a second external thread, the first fastener includes a first nut, the second fastener includes a second nut, the first nut is threadedly connected to the first external thread, and the second nut is threadedly connected to the second external thread.
[0013] According to some embodiments of the utility model, the first fastener includes a first washer, the second fastener includes a second washer, the first washer is sleeved on the first operating rod, the first washer is located between the first nut and the positioning member, the second washer is sleeved on the second operating rod, and the second washer is located between the second nut and the positioning member.
[0014] According to some embodiments of the present invention, a handle is connected to the positioning member.
[0015] According to some embodiments of the present invention, the length direction of the handle is consistent with the length direction of the positioning member.
[0016] According to some embodiments of the present invention, the first through hole and the second through hole are arranged at intervals along the length direction of the positioning member.
[0017] According to some embodiments of the present utility model, the first fastening hook is formed by bending and extending one end of the first operating rod, and the second fastening hook is formed by bending and extending one end of the second operating rod.
[0018] According to some embodiments of the utility model, the positioning member includes a positioning plate and a pad block, the first through hole and the second through hole are located on the positioning plate, the pad block is connected to a side of the positioning plate away from the first fastener, and the pad block is used to abut the arc contact.
[0019] According to some embodiments of the present invention, the cushion block is located between the first operating rod and the second operating rod.
[0020] According to some embodiments of the present invention, a side of the cushion block away from the first fastener is provided with an arc-shaped concave surface for the arc contact to extend into.
[0021] According to some embodiments of the utility model, an operating hole is provided on the positioning member, the operating hole is located between the first through hole and the second through hole, and the operating hole is used for allowing a tool to extend into the middle conductor of the fixed arc contact.
[0022] Additional aspects and advantages of the present invention will be partially presented in the following description. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] The present invention is further described below with reference to the accompanying drawings and embodiments, wherein:
[0024] Figure 1 This is a structural schematic diagram of the static arc contact assembly and disassembly tooling of the disconnector according to an embodiment of the utility model;
[0025] Figure 2 This is a structural schematic diagram of a positioning plate of a static arc contact assembly and disassembly tool for an isolating switch according to an embodiment of the utility model;
[0026] Figure 3 The present invention is a bottom view of the installation and disassembly tool for the static arc contact of the isolating switch according to the embodiment of the present invention.
[0027] Figure Number:
[0028] 100, positioning member; 110, positioning plate; 111, first through hole; 112, second through hole; 120, cushion block; 121, arc-shaped concave surface; 130, operation hole;
[0029] 200, a first operating rod; 210, a first fastening hook;
[0030] 300, first fastener; 310, first nut; 320, first washer;
[0031] 400, second operating rod; 410, second fastening hook;
[0032] 500, second fastener; 510, second nut; 520, second washer;
[0033] 600. Handle. DETAILED DESCRIPTION
[0034] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0035] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.
[0036] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0037] See also Figure 1 and Figure 2, a static arc contact assembly and disassembly tool for an isolating switch of an embodiment of the utility model comprises a positioning member 100, a first operating rod 200, a first fastener 300, a second operating rod 400 and a second fastener 500. The positioning member 100 is provided with a first through hole 111 and a second through hole 112 at intervals. The first operating rod 200 is slidably arranged in the first through hole 111, and the first operating rod 200 is rotatably connected in the first through hole 111. A first fastening hook 210 is provided at one end of the first operating rod 200, and the first fastening hook 210 is used to extend into the fastening groove of the arc contact, and then hook the arc contact. The first fastener 300 is connected to the first operating rod 200, and the first fastener 300 abuts against the positioning member 100. The first fastener 300 is located on the side of the positioning member 100 away from the first fastening hook 210, and the first fastener 300 is used to adjust the length of the end of the first operating rod 200 having the first fastening hook 210 extending out of the positioning member 100. The second operating rod 400 is slidably inserted into the second through hole 112, and the second operating rod 400 is rotatably connected to the second through hole 112. A second fastening hook 410 is provided at one end of the second operating rod 400, and the second fastening hook 410 is used to extend into the fastening groove of the arc contact, thereby hooking the arc contact. The second fastener 500 is connected to the second operating rod 400, and the second fastener 500 abuts against the positioning member 100. The second fastener 500 is located on the side of the positioning member 100 away from the second fastening hook 410, and the second fastener 500 is used to adjust the length of the end of the second operating rod 400 with the second fastening hook 410 extending out of the positioning member 100.
[0038] The first fastening hook 210 extends into the gap between the arc contact and the guide ring, and the second fastening hook 410 extends into the gap between the arc contact and the guide ring. The first operating rod 200 and the second operating rod 400 are rotated so that the first fastening hook 210 and the second fastening hook 410 can extend into the fastening groove of the arc contact, thereby hooking the arc contact. The first fastener 300 locks the first operating rod 200, and the second fastener 500 locks the second operating rod 400, so that the positioning member 100 fits the end face of the arc contact. The positioning member 100 is rotated to drive the first operating rod 200 and the second operating rod 400 to rotate, and drive the arc contact to rotate (the first fastening hook 210 and the second fastening hook 410 push the inner wall of the fastening groove of the arc contact) to fasten the arc contact. After the arc contact is fastened, the first fastener 300 and the second fastener 500 are loosened, the first fastening hook 210 and the second fastening hook 410 are adjusted to be disengaged from the fastening groove of the arc contact, and then the tooling is taken out. The structure is simple, the operation is convenient, and the fastening effect of the arc contact is good.
[0039] In some embodiments, see Figure 1 and Figure 2The first operating rod 200 is provided with a first external thread, and the first fastener 300 includes a first nut 310, which is threadedly connected with the first external thread. The first nut 310 is screwed to adjust the position of the first nut 310 on the first operating rod 200, and one side of the first nut 310 abuts against the positioning member 100, so that the first nut 310 can adjust the length of the end of the first operating rod 200 with the first fastening hook 210 extending out of the positioning member 100.
[0040] The second operating rod 400 is provided with a second external thread, and the second fastener 500 includes a second nut 510, which is threadedly connected with the second external thread. The second nut 510 is screwed to adjust the position of the second nut 510 on the second operating rod 400, and one side of the second nut 510 abuts against the positioning member 100, so that the second nut 510 can adjust the length of the end of the second operating rod 400 with the second fastening hook 410 extending out of the positioning member 100.
[0041] In some embodiments, see Figure 1 and Figure 2 The first fastener 300 includes a first washer 320, and the second fastener 500 includes a second washer 520. The first washer 320 is sleeved on the first operating rod 200, and the first washer 320 is located between the first nut 310 and the positioning member 100. The second washer 520 is sleeved on the second operating rod 400, and the second washer 520 is located between the second nut 510 and the positioning member 100. The first washer 320 and the second washer 520 can reduce the friction between the first nut 310 and the second nut 510 and the positioning member 100, ensure the smooth screwing of the first nut 310 and the second nut 510, and facilitate the normal assembly and disassembly of the tooling.
[0042] In some embodiments, see Figure 1 and Figure 2 A handle 600 is connected to the positioning member 100. When the operator operates the tool, he only needs to operate the handle 600 to drive the positioning member 100 to rotate, thereby tightening the arc contact.
[0043] In some embodiments, see Figure 1 and Figure 2 The length direction of the handle 600 is consistent with the length direction of the positioning member 100, so that the overall structure of the tooling is compact and convenient to store.
[0044] In some embodiments, see Figure 1 and Figure 2 The first through hole 111 and the second through hole 112 are arranged at intervals along the length direction of the positioning member 100. This facilitates the miniaturization of the positioning member 100 and ensures that the tooling structure is compact and convenient to store.
[0045] In some embodiments, see Figure 1 and Figure 2 The first fastening hook 210 is formed by bending and extending one end of the first operating rod 200, and the second fastening hook 410 is formed by bending and extending one end of the second operating rod 400. The first fastening hook 210 and the second fastening hook 410 are easy to process, and the tooling production cost is low. The first fastening hook 210 and the body part of the first operating rod 200 are integrally formed, which can ensure that the strength of the first fastening hook 210 is good. The second fastening hook 410 and the body part of the second operating rod 400 are integrally formed, which can ensure that the strength of the second fastening hook 410 is good.
[0046] In some embodiments, see Figure 1 and Figure 2 The positioning member 100 includes a positioning plate 110 and a cushion block 120. The first through hole 111 and the second through hole 112 are located on the positioning plate 110. The cushion block 120 is connected to the side of the positioning plate 110 away from the first fastener 300. The cushion block 120 is used to abut the arc contact. The cushion block 120 is bonded to the positioning plate 110. The cushion block 120 adopts a nylon structure to avoid direct contact between the positioning plate 110 and the arc contact, thereby preventing damage to the arc contact surface.
[0047] In some embodiments, see Figure 1 and Figure 2 The cushion block 120 is located between the first operating rod 200 and the second operating rod 400. This facilitates the miniaturization of the cushion block 120 and saves the processing cost of the cushion block 120.
[0048] In some embodiments, see Figure 1 , Figure 2 and Figure 3 The side of the cushion block 120 away from the first fastener 300 is provided with an arc-shaped concave surface 121, and the arc-shaped concave surface is used for the arc contact to extend into. The top surface of the arc contact fits the arc-shaped concave surface 121, which increases the contact area between the arc contact and the cushion block 120, so that the end surface of the arc contact is evenly stressed, and the surface of the arc contact can be prevented from being damaged when the positioning member 100 abuts against the arc contact.
[0049] In some embodiments, see Figure 1 , Figure 2 and Figure 3 The positioning member 100 is provided with an operating hole 130 , and the operating hole 130 is located between the first through hole 111 and the second through hole 112 . The operating hole 130 is used for a tool to extend into the middle conductor of the fixed arc contact.
[0050] The working principle of the embodiment of the present application:
[0051] Rotate the first operating rod 200 and the second operating rod 400, adjust the angle of the first fastening hook 210 and the length of the protruding positioning member 100, adjust the angle of the second fastening hook 410 and the length of the protruding positioning member 100, the first fastening hook 210 extends into the gap between the arc contact and the guide ring, the second fastening hook 410 extends into the gap between the arc contact and the guide ring, rotate the first operating rod 200 and the second operating rod 400, so that the first fastening hook 210 and the second fastening hook 410 can extend into the fastening groove of the arc contact, and then hook the arc contact.
[0052] The first nut 310 and the second nut 510 are screwed to move the cushion block 120 downward until the arc-shaped concave surface 121 on the cushion block 120 fits the end surface of the arc contact. After the tooling is clamped with the arc contact, the arc contact is tightened by rotating the handle 600. After the arc contact is tightened, the first nut 310 and the second nut 510 are loosened, the first operating rod 200 and the second operating rod 400 are rotated, the first tightening hook 210 is adjusted to be located in the gap between the arc contact and the guide ring, and the second tightening hook 410 is adjusted to be located in the gap between the arc contact and the guide ring, and the tooling is removed.
[0053] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" 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.
[0054] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.
Claims
1. A static arc contact assembly and disassembly tool for an isolating switch, characterized in that: include: A positioning member, wherein a first through hole and a second through hole are arranged at intervals on the positioning member; A first operating rod is slidably inserted into the first through hole, the first operating rod is rotatably connected to the first through hole, and one end of the first operating rod is provided with a first fastening hook for extending into the fastening groove of the arc contact; a first fastener connected to the first operating rod, the first fastener abutting against the positioning member, the first fastener being located on a side of the positioning member away from the first fastening hook, and the first fastener being used to adjust the length of the end of the first operating rod having the first fastening hook extending out of the positioning member; a second operating rod, slidably inserted into the second through hole, the second operating rod being rotatably connected in the second through hole, and one end of the second operating rod being provided with a second fastening hook for extending into the fastening groove of the arc contact; A second fastener is connected to the second operating rod, the second fastener abuts the positioning member, the second fastener is located on a side of the positioning member away from the second fastening hook, and the second fastener is used to adjust the length of the end of the second operating rod with the second fastening hook extending out of the positioning member.
2. The static arc contact assembly and disassembly tool for an isolating switch according to claim 1, characterized in that: The first operating rod is provided with a first external thread, the second operating rod is provided with a second external thread, the first fastener includes a first nut, the second fastener includes a second nut, the first nut is threadedly connected to the first external thread, and the second nut is threadedly connected to the second external thread.
3. The static arc contact assembly and disassembly tool for disconnecting switch according to claim 2, characterized in that: The first fastener includes a first washer, and the second fastener includes a second washer. The first washer is sleeved on the first operating rod and is located between the first nut and the positioning member. The second washer is sleeved on the second operating rod and is located between the second nut and the positioning member.
4. The static arc contact assembly and disassembly tool for an isolating switch according to claim 1, characterized in that: The positioning member is connected with a handle.
5. The static arc contact assembly and disassembly tool for disconnecting switch according to claim 4, characterized in that: The length direction of the handle is consistent with the length direction of the positioning member.
6. The static arc contact assembly and disassembly tool for disconnecting switch according to claim 1, characterized in that: The first through hole and the second through hole are arranged at intervals along the length direction of the positioning member.
7. The static arc contact assembly and disassembly tool for disconnecting switch according to claim 1, characterized in that: The first fastening hook is formed by bending and extending one end of the first operating rod, and the second fastening hook is formed by bending and extending one end of the second operating rod.
8. The static arc contact assembly and disassembly tool for disconnecting switch according to claim 1, characterized in that: The positioning member includes a positioning plate and a cushion block, the first through hole and the second through hole are located on the positioning plate, the cushion block is connected to a side of the positioning plate away from the first fastener, and the cushion block is used to abut against the arc contact.
9. The static arc contact assembly and disassembly tool for disconnecting switch according to claim 8, characterized in that: The cushion block is located between the first operating rod and the second operating rod.
10. The static arc contact assembly and disassembly tool for disconnecting switch according to claim 8, characterized in that: A side of the cushion block away from the first fastener is provided with an arc-shaped concave surface for the arc contact to extend into.