Novel gas-insulated metal-enclosed switch static contact shielding case crimping tool

Abstract

The utility model relates to the technical field of static contact shielding case installation, in particular to a novel gas insulated metal enclosed switch static contact shielding case crimping tool, which comprises a large bottom plate, two upright posts and an assembly top plate, the two upright posts are symmetrically arranged on the large bottom plate left and right, and the assembly top plate is arranged at the upper ends of the two upright posts; supporting pieces are installed at the upper end of the large bottom plate. A lead screw is arranged in the middle of the assembling top plate, the lower end of the lead screw penetrates through the assembling top plate and is provided with a pressing head, and a first fastener is arranged between the lead screw and the inner wall of the assembling top plate, embedded in the inner wall of the assembling top plate and in threaded connection with the lead screw. According to the utility model, by rotating the handle, the lead screw moves in the first fastener, and the torsion of the handle is converted into pressure, so that the pressure head at the bottom of the lead screw can easily compress the spring in the static contact, and the installation of the shielding case can be conveniently realized; the technical problems of high production cost and low assembly efficiency of contact shielding cover assembly in the prior art are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of static contact shielding cover installation, in particular to a novel gas-insulated metal-enclosed switch static contact shielding cover crimping tool. Background Art

[0002] In high-voltage power transmission and transformation systems, substation GIS equipment has been widely used. As one of the most important components in GIS equipment, the grounding switch is an important device in gas-insulated metal-enclosed switchgear.

[0003] The workpiece used by the tooling is an extremely important part of the grounding switch: the static contact, which plays an important role in the opening and closing of the switch. The assembly uses a crimping structure, which can ensure the consistency of the flow of the contact part and the reliability of the contact resistance. Whether the installed shielding cover meets the technical requirements will determine the quality of the electric field at the contact part when the switch is opened and closed. Therefore, it is very necessary to design a crimping tooling for the static contact shielding cover.

[0004] At present, for the grounding switch, in the prior art, interference fitting is generally achieved by means of thermal expansion and contraction, such as first placing the static end contact finger on the step of the static end contact seat, then sleeve the heated shielding cover on the outside of the static end contact finger, and finally use liquid nitrogen to achieve rapid cooling of the shielding cover, so as to achieve interference fitting of the static contact seat, the shielding cover and the static end contact finger together. The above-mentioned interference fitting method requires heating the shielding cover, which will lead to low production efficiency of static contact seat assembly; moreover, cooling the shielding cover by liquid nitrogen increases the production cost of static contact seat assembly, and the installation efficiency is not high. Therefore, those skilled in the art provide a new type of gas-insulated metal-enclosed switch static contact shielding cover crimping tool to solve the above-mentioned problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a new type of gas-insulated metal-enclosed switch static contact shield crimping tool, including a large bottom plate, a column, and an assembly top plate, wherein two columns are provided and are symmetrically arranged on the large bottom plate, and the assembly top plate is arranged on the upper ends of the two columns;

[0006] A support for inserting and placing a static contact is also installed at the center of the upper end of the large bottom plate;

[0007] A lead screw is provided in the middle of the assembly top plate, located directly above the support member. The lower end of the lead screw passes through the assembly top plate and is provided with a pressure head, and a handle is installed on the top of the lead screw. A first fastener is provided between the lead screw and the inner wall of the assembly top plate. The first fastener is embedded in the inner wall of the assembly top plate and is threadedly connected to the lead screw.

[0008] Preferably: the bottom of the column is installed in the large base plate and fixedly connected by a third fastener, a fourth fastener is provided on the top of one of the columns, the upper end of the other column is locked and fixed by the third fastener, and a fifth fastener is also provided between the assembly top plate and the third fastener, the third fastener and the fourth fastener are both nuts, and the fifth fastener is a washer.

[0009] Preferably: the first fastener is fixed to the assembly top plate through a second fastener, the first fastener is a nut, and the second fastener is a bolt.

[0010] Preferably: the top of the pressure head is mounted on a clamping plate through an eighth fastener, the clamping plate is fixed to the bottom of the lead screw, a pad is further provided on the lower surface of the pressure head, and the eighth fastener is a bolt.

[0011] Preferably: the support member includes an assembly base, which is installed on the upper end of the large base plate through multiple seventh fasteners, the upper end of the assembly base is fixed with a base through a welding process, the upper end of the base is provided with a base sleeve, and the seventh fastener is a bolt.

[0012] Preferably: a support tube is vertically inserted into the base sleeve, the support tube and the base sleeve are fastened together by a plurality of sixth fasteners, a protective pad is also provided in the base sleeve, and the sixth fastener is a screw.

[0013] Preferably: trapezoidal plates are provided on both the front and rear sides of the upper end of the assembly top plate.

[0014] Preferably: the crimping tool also includes an auxiliary disassembly structure, which includes a knocking rod, a support tube, a disassembly tube, a leather pad, and an iron pad. An iron pad is arranged at the bottom of the disassembly tube, and a leather pad is arranged at the upper end of the iron pad.

[0015] Technical effects and advantages of the utility model:

[0016] The utility model rotates the handle to make the lead screw move in the first fastener, and converts the torque of the handle into pressure, so that the pressure head at the bottom of the lead screw can easily compress the spring in the static contact, and then the installation of the shielding cover can be very convenient, which solves the technical problems of high production cost and low assembly efficiency of the contact shielding cover assembly in the prior art; at the same time, a protective gasket is provided on the direct contact surface with the installed workpiece, which effectively avoids the wear of the workpiece surface during the pressure application process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 1 is a schematic diagram of the structure of a novel gas-insulated metal-enclosed switch static contact shield crimping tool provided in an embodiment of the present application, wherein (a) is a schematic diagram of an assembled state, and (b) is a schematic diagram of a disassembled state;

[0018] Figure 2It is a structural schematic diagram of a support member in a new type of gas-insulated metal-enclosed switch static contact shield crimping tool provided in an embodiment of the present application;

[0019] Figure 3 It is a structural schematic diagram of an assembly top plate in a new type of gas-insulated metal-enclosed switch static contact shield crimping tool provided in an embodiment of the present application;

[0020] Figure 4 It is a structural schematic diagram of a static contact in a new type of gas-insulated metal-enclosed switch static contact shield crimping tool provided in an embodiment of the present application.

[0021] In the figure:

[0022] 1. Screw; 2. Handle; 3. Eighth fastener; 4. Clamp; 5. Press head; 6. Pad; 7. Support tube; 8. Disassembly tube; 9. Base sleeve; 10. Sixth fastener; 11. Base; 12. Leather pad; 13. Assembly base; 14. Seventh fastener; 15. Third fastener; 16. Beating rod; 17. Iron pad; 18. First fastener; 19. Column; 20. Large bottom plate; 21. Fourth fastener; 22. Second fastener; 23. Fixed sleeve; 24. Assembly top plate; 25. Fifth fastener; 26. Protective pad; 27. Static contact. DETAILED DESCRIPTION

[0023] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.

[0024] Example

[0025] See also Figure 1 to Figure 4In this embodiment, a new type of gas-insulated metal-enclosed switch static contact shield crimping tool is provided, including a large base plate 20, a column 19, and an assembly top plate 24, wherein two columns 19 are provided and are symmetrically arranged on the large base plate 20, the bottom of the column 19 is installed in the large base plate 20, and is fixedly connected by a third fastener 15 to achieve fixed positioning of the column 19, and at the same time, the assembly top plate 24 is arranged at the upper ends of the two columns 19, a fourth fastener 21 is arranged on the top of one of the columns 19, and the upper end of the other column 19 is locked and fixed by the third fastener 15, and a fifth fastener 25 is further provided between the assembly top plate 24 and the third fastener 15, and the assembly top plate 24 is installed and fixed by the fourth fastener 21, the third fastener 15 and the fifth fastener 25, so that the two are combined together to form an integral structure, and then cooperate with the large base plate 20 to form an integral support frame for installing other structures of the tooling;

[0026] A support is also installed at the center of the upper end of the large base plate 20, and the support is used to limit and fix the static contact 27. When the shield cover is installed on the static contact 27, it is placed on the support to achieve a stable placement effect, which is conducive to the installation of the shield cover;

[0027] Correspondingly, a lead screw 1 is provided in the middle of the assembly top plate 24, just above the support member. The lower end of the lead screw 1 passes through the assembly top plate 24 and is provided with a pressure head 5, and a handle 2 is installed on the top of the lead screw 1, which can facilitate the rotation of the lead screw 1 and facilitate the use of force. A first fastener 18 is provided between the lead screw 1 and the inner wall of the assembly top plate 24. The first fastener 18 is embedded in the inner wall of the assembly top plate 24 and is threadedly connected to the lead screw 1. In this way, after the static contact 27 is placed on the support member and placed well, turning the handle 2 can drive the lead screw 1 Rotate, and move downward in the first fastener 18, thereby driving the pressure head 5 to move downward, ensuring that the pressure head 5 will not deflect during the downward process, thereby ensuring the quality of crimping, and the shielding cover of the static contact 27 placed on the support is pressed and installed. After pressing down, the spring in the static contact 27 is compressed to install the shielding cover. The operation is convenient and quick. Compared with the thermal expansion and contraction method, there is no need to heat the shielding cover, which improves the production efficiency. The first fastener 18 is fixed to the assembly top plate 24 through the second fastener 22;

[0028] The top of the pressure head 5 is mounted on the card plate 4 through the eighth fastener 3, and the card plate 4 is fixed to the bottom of the screw 1. In addition, the lower surface of the pressure head 5 is also provided with a pad 6, which can protect the static contact 27 when pressing down and protect the contact surface;

[0029] The static contact 27 is plugged into the support member, so that the static contact 27 with the shielding cover installed can be easily removed from the support member. The support member includes an assembly base 13, and the assembly base 13 is installed on the upper end of the large bottom plate 20 through a plurality of seventh fasteners 14. The upper end of the assembly base 13 is fixed with a base 11 through a welding process. The upper end of the base 11 is provided with a base sleeve 9, and a support tube 7 is vertically inserted into the base sleeve 9. The support tube 7 and the base sleeve 9 are fastened and connected by a plurality of sixth fasteners 10 to achieve installation and fixation of the support tube 7. The plurality of sixth fasteners 10 can ensure that the support tube 7 supporting the static contact 27 is centrally assembled, so that the installed static contact 27 is in the best position. In addition, a protective pad 26 is also provided in the base sleeve 9 to protect the contact surface between the base sleeve 9 and the static contact 27.

[0030] A through hole is provided on one side of the assembly top plate 24, which is used to install one of the columns 19, and a mounting groove is provided on the other side thereof, one side of the mounting groove passes through its side wall, a fixing sleeve 23 is provided in the mounting groove, and the top of the other column 19 is provided in the fixing sleeve 23 of the mounting groove, and trapezoidal plates are provided on both the front and rear sides of the upper end of the assembly top plate 24, which play a role in limiting the position of the lead screw 1, and when it moves downward, the handle 2 can be supported and limited by the trapezoidal plate after moving to the trapezoidal plate;

[0031] like Figure 1 As shown in the figure at (b), the utility model also provides an auxiliary disassembly structure that is conducive to the disassembly of the shielding cover on the static contact 27. If the contact fingers of the support tube 7 and the assembled workpiece (static contact 27) are tightened and difficult to disassemble after assembly, the auxiliary disassembly structure in the disassembled state can be used to disassemble the workpiece. The auxiliary disassembly structure includes a knocking rod 16, a support tube 7, a disassembly tube 8, a leather pad 12, and an iron pad 17. The iron pad 17 is arranged at the bottom of the disassembly tube 8, and the leather pad 12 is arranged at the upper end of the iron pad 17. The workpiece is turned upside down together with the support tube 7, and the workpiece is placed in the disassembly tube 8. Then, the support tube 7 is knocked by the knocking rod 16 to quickly remove the workpiece. The leather pad 12 and the iron pad 17 at the bottom protect the surface of the workpiece.

[0032] It should be noted that the first fastener 18, the third fastener 15, and the fourth fastener 21 are all nuts, the fifth fastener 25 is a washer, the sixth fastener 10 is a screw, and the second fastener 22, the seventh fastener 14, and the eighth fastener 3 are bolts.

[0033] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A new type of gas-insulated metal-enclosed switch static contact shield crimping tool, characterized in that: It comprises a large bottom plate (20), columns (19), and an assembly top plate (24), wherein two columns (19) are provided and are symmetrically arranged on the large bottom plate (20), and the assembly top plate (24) is arranged on the upper ends of the two columns (19); A support member for inserting and placing a static contact (27) is also installed at the center of the upper end of the large base plate (20); A lead screw (1) is provided in the middle of the assembly top plate (24) just above the support member, the lower end of the lead screw (1) passes through the assembly top plate (24) and is provided with a pressure head (5), and a handle (2) is installed on the top of the lead screw (1), and a first fastener (18) is provided between the lead screw (1) and the inner wall of the assembly top plate (24), and the first fastener (18) is embedded in the inner wall of the assembly top plate (24) and is threadedly connected to the lead screw (1).

2. A new type of gas-insulated metal-enclosed switch static contact shield crimping tool according to claim 1, characterized in that: The bottom of the column (19) is installed in the large bottom plate (20) and is fixedly connected by a third fastener (15); a fourth fastener (21) is arranged on the top of one of the columns (19); the upper end of the other column (19) is locked and fixed by the third fastener (15); a fifth fastener (25) is also arranged between the assembly top plate (24) and the third fastener (15); the third fastener (15) and the fourth fastener (21) are both nuts, and the fifth fastener (25) is a washer.

3. A new type of gas-insulated metal-enclosed switch static contact shield crimping tool according to claim 1, characterized in that: The first fastener (18) is fixed to the assembly top plate (24) via a second fastener (22); the first fastener (18) is a nut, and the second fastener (22) is a bolt.

4. A novel gas-insulated metal-enclosed switch static contact shield crimping tool according to claim 1, characterized in that: The top of the pressure head (5) is mounted on the clamping plate (4) via an eighth fastener (3); the clamping plate (4) is fixed to the bottom of the lead screw (1); a pad (6) is also provided on the lower surface of the pressure head (5); and the eighth fastener (3) is a bolt.

5. A novel gas-insulated metal-enclosed switch static contact shield crimping tool as claimed in claim 1, characterized in that: The support member comprises an assembly base (13), the assembly base (13) being mounted on the upper end of the large base plate (20) via a plurality of seventh fasteners (14), the upper end of the assembly base (13) being fixed with a base (11) via a welding process, the upper end of the base (11) being provided with a base sleeve (9), and the seventh fastener (14) being a bolt.

6. A new type of gas-insulated metal-enclosed switch static contact shield crimping tool according to claim 5, characterized in that: A support tube (7) is vertically inserted into the base sleeve (9), and the support tube (7) and the base sleeve (9) are fastened together via a plurality of sixth fasteners (10). A protective pad (26) is also provided in the base sleeve (9), and the sixth fastener (10) is a screw.

7. A novel gas-insulated metal-enclosed switch static contact shield crimping tool as claimed in claim 1, characterized in that: Trapezoidal plates are provided on both the front and rear sides of the upper end of the assembly top plate (24).

8. The novel gas-insulated metal-enclosed switch static contact shield crimping tool according to claim 1, characterized in that: The crimping tool also includes an auxiliary disassembly structure, which includes a knocking rod (16), a support tube (7), a disassembly tube (8), a leather pad (12), and an iron pad (17). The iron pad (17) is arranged at the bottom of the disassembly tube (8), and the leather pad (12) is arranged at the upper end of the iron pad (17).

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