A positioning tool

Abstract

The utility model belongs to the field of switch technology, and discloses a positioning tool, which includes a longitudinal positioning assembly and a transverse positioning member. The longitudinal positioning assembly is provided with a plurality of longitudinal positioning members and is arranged one-to-one with the switch assemblies. The longitudinal positioning assembly includes a positioning channel, and the positioning channel can be sleeved with corresponding isolation contacts, intermediate contacts and grounding contacts; the transverse positioning member is arranged in the second direction of the longitudinal positioning assembly, and the transverse positioning member is provided with at least one first positioning hole along the first direction, and the first positioning hole can be sleeved with at least one isolation contact. The positioning tool provided by the utility model can make the isolation contacts, intermediate contacts and grounding contacts coaxial along the second direction through the constraint of the positioning channel; and can make all switch assemblies parallel along the first direction through the constraint of the first positioning hole, so as to realize the positioning assembly of the switch device, effectively improve the assembly efficiency and assembly accuracy, and effectively prevent the occurrence of rework.

Description

Technical Field

[0001] The utility model relates to the technical field of switches, in particular to a positioning tool. Background Art

[0002] At present, the most common box-type gas insulated cabinet (CGIS) products in China are mainly vacuum circuit breakers with direct-acting three-position switches. As customers' demand for miniaturization increases, miniaturization design through simplifying product structure and optimizing layout has become the focus of industry manufacturers.

[0003] At present, the use of special-shaped copper busbars can optimize the layout and space in the cabinet, making the overall structure more compact. However, it is difficult to align the switch when assembling it in the cabinet, and after assembly, the switch may be deformed due to external stress caused by special-shaped copper busbars and other components, resulting in low assembly efficiency and easy rework. Utility Model Content

[0004] The utility model aims to provide a positioning tool, which can position and assemble switches, improve assembly efficiency and assembly accuracy, and effectively prevent rework.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A positioning tool is provided, which is used for positioning and assembling a switch device, wherein the switch device comprises a plurality of switch assemblies arranged side by side along a first direction, wherein the switch assemblies comprise an isolating contact, an intermediate contact and a grounding contact arranged along a second direction, and the positioning tool comprises:

[0007] A plurality of longitudinal positioning components are provided and are arranged one-to-one with the switch components, and the longitudinal positioning components include positioning channels, and the positioning channels can be sleeved with the corresponding isolating contacts, the intermediate contacts and the grounding contacts;

[0008] The transverse positioning member is arranged in the second direction of the longitudinal positioning component. The transverse positioning member is provided with at least one first positioning hole along the first direction. The first positioning hole can be sleeved with at least one of the isolation contacts.

[0009] Optionally, the longitudinal positioning component includes:

[0010] A first positioning plate, the first positioning plate comprising a first arc-shaped plate portion and first locking plate portions respectively arranged on both sides of the first arc-shaped plate portion;

[0011] A second positioning plate, the second positioning plate comprising a second arc-shaped plate portion and second locking plate portions respectively arranged on both sides of the second arc-shaped plate portion, and the positioning channel is formed between the first arc-shaped plate portion and the second arc-shaped plate portion;

[0012] A fixing assembly, wherein the fixing assembly, the first positioning plate and the second positioning plate are arranged in a one-to-one correspondence, and the fixing assembly connects the corresponding first locking plate portion and the second locking plate portion.

[0013] Optionally, both the first arc-shaped plate portion and the second arc-shaped plate portion are provided with observation holes, and the moving contact slidably arranged in the middle contact can be exposed from the observation holes.

[0014] Optionally, the first arc-shaped plate portion and the second arc-shaped plate portion are each provided with two observation holes spaced apart along the second direction, one of the two observation holes is located between the isolation contact and the middle contact, and the other is located between the middle contact and the grounding contact.

[0015] Optionally, the fixing assembly includes at least two fasteners, the second locking plate portion is provided with a screw set corresponding to the fasteners one by one, the fastener passes through the first locking plate portion and the second locking plate portion and is threadedly connected to the screw set.

[0016] Optionally, the fastener includes a rod and a head disposed at a first end of the rod, the second end of the rod is passed through the first locking plate portion and the second locking plate portion and is threadedly connected to the screw sleeve, and a limit member is provided on the rod, and the limit member is located on a side of the first locking plate portion facing away from the head.

[0017] Optionally, the first positioning hole is configured as a long hole, and the first positioning hole can be sleeved with all the isolating contacts of the switch device.

[0018] Optionally, the transverse positioning member includes a plate body and a folded edge arranged at the edge of the plate body, and the plate body is provided with the first positioning hole.

[0019] Optionally, a wiring row is provided on the peripheral side of the isolation contact, and at least one wiring hole is provided on the wiring row;

[0020] The transverse positioning member can fit with the wiring row along the second direction, and the transverse positioning member is provided with a positioning hole group and a grasping hole along the first direction, the grasping hole corresponds to at least one of the wiring rows, and the positioning hole group corresponds to the remaining wiring rows one by one; wherein,

[0021] The positioning hole group includes at least one second positioning hole, the second positioning hole of each positioning hole group corresponds to the wiring hole on the corresponding wiring row one by one, and the second positioning hole can be arranged cocentrically with the corresponding wiring hole;

[0022] The gripping hole comprises a positioning surface perpendicular to the first direction and the second direction, and the positioning surface can be tangent to the corresponding wiring hole.

[0023] Optionally, the switch device comprises three switch assemblies, and the transverse positioning member is provided with two positioning hole groups and one grasping hole along the first direction, and the grasping hole is located between the two positioning hole groups.

[0024] Beneficial effects:

[0025] The positioning tool provided by the utility model, when assembling the switch device, places the isolating contact, the middle contact and the grounding contact in the positioning channels of the corresponding longitudinal positioning components, and through the constraints of the positioning channels, the isolating contact, the middle contact and the grounding contact are made coaxial along the second direction; and all the isolating contacts are respectively inserted into the first positioning holes corresponding to the transverse positioning members, so that all the switch components are arranged in parallel along the first direction, and then all the switch components are located in the plane formed by the first direction and the second direction, thereby realizing the positioning assembly of the switch device, effectively improving the assembly efficiency and assembly accuracy, and effectively preventing the occurrence of rework. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a structural schematic diagram of a positioning switch device for a positioning tool provided by the utility model from one perspective;

[0027] Figure 2 This is a schematic structural diagram of another viewing angle of the positioning tooling positioning switch device provided by the utility model;

[0028] Figure 3 It is a structural schematic diagram of the switch device provided by the utility model;

[0029] Figure 4 This is a structural schematic diagram of a longitudinal positioning assembly provided by the utility model from one perspective;

[0030] Figure 5 This is a structural schematic diagram of the longitudinal positioning assembly provided by the utility model from another viewing angle;

[0031] Figure 6 It is a structural schematic diagram of the first positioning plate provided by the utility model;

[0032] Figure 7 This is a structural schematic diagram of a horizontal positioning member provided by the utility model from one perspective;

[0033] Figure 8 This is a structural schematic diagram of the lateral positioning member provided by the utility model from another viewing angle.

[0034] In the figure:

[0035] 10. switch assembly; 20. isolating contact; 21. terminal block; 22. terminal hole; 30. intermediate contact; 31. raised portion; 40. grounding contact; 50. moving contact;

[0036] 100, longitudinal positioning assembly; 101, positioning channel; 102, observation hole; 103, clearance groove; 110, first positioning plate; 111, first arc-shaped plate portion; 112, first locking plate portion; 120, second positioning plate; 121, second arc-shaped plate portion; 122, second locking plate portion; 130, fixing assembly; 131, fastener; 132, screw assembly;

[0037] 200, transverse positioning member; 201, first positioning hole; 202, positioning hole group; 2021, second positioning hole; 203, gripping hole; 2031, positioning surface; 210, plate body; 220, folded edge. DETAILED DESCRIPTION

[0038] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0039] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0041] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0042] Reference Figures 1 to 8 As shown, this embodiment provides a positioning tool, which is used for positioning and assembling a switch device.

[0043] Specifically, the switch device includes a plurality of switch assemblies 10 arranged side by side along a first direction. The switch assembly 10 may be a direct-acting isolating switch. The switch assembly 10 includes an isolating contact 20, an intermediate contact 30 and a grounding contact 40 arranged along a second direction.

[0044] Specifically, the positioning tool includes a longitudinal positioning component 100 and a transverse positioning member 200. The longitudinal positioning component 100 is provided in multiple and is arranged one by one with the switch component 10. The longitudinal positioning component 100 includes a positioning channel 101, and the positioning channel 101 can be sleeved with the corresponding isolation contact 20, the middle contact 30 and the grounding contact 40; the transverse positioning member 200 is arranged in the second direction of the longitudinal positioning component 100, and the transverse positioning member 200 is provided with at least one first positioning hole 201 along the first direction, and the first positioning hole 201 can be sleeved with at least one isolation contact 20. Among them, Figure 1 The a direction is the first direction, the b direction is the second direction, and the first direction and the second direction are perpendicular to each other.

[0045] When assembling the switch device, the isolating contact 20, the intermediate contact 30 and the grounding contact 40 are placed in the corresponding positioning channel 101 of the longitudinal positioning assembly 100, and the isolating contact 20, the intermediate contact 30 and the grounding contact 40 are constrained by the positioning channel 101 so that the isolating contact 20, the intermediate contact 30 and the grounding contact 40 are coaxial along the second direction; and all the isolating contacts 20 are respectively inserted into the first positioning holes 201 corresponding to the transverse positioning member 200, so that all the switch assemblies 10 are arranged in parallel along the first direction, and then all the switch assemblies 10 are located in the plane composed of the first direction and the second direction, so as to realize the positioning assembly of the switch device, effectively improve the assembly efficiency and assembly accuracy, and effectively prevent the occurrence of rework. In addition, the longitudinal positioning assembly 100 can be used alone, that is, it is used for the positioning assembly of a switch assembly 10.

[0046] Exemplarily, the first positioning hole 201 may be configured as a long hole, so that the first positioning hole 201 can be sleeved with all the isolating contacts 20 of the switch device, which facilitates the use of the transverse positioning member 200 and effectively improves assembly efficiency.

[0047] In this embodiment, Figures 1 to 6 As shown, the longitudinal positioning assembly 100 includes a first positioning plate 110, a second positioning plate 120 and a fixing assembly 130. The first positioning plate 110 includes a first arc-shaped plate portion 111 and first locking plate portions 112 respectively arranged on both sides of the first arc-shaped plate portion 111; the second positioning plate 120 includes a second arc-shaped plate portion 121 and second locking plate portions 122 respectively arranged on both sides of the second arc-shaped plate portion 121, and a positioning channel 101 is formed between the first arc-shaped plate portion 111 and the second arc-shaped plate portion 121; the fixing assembly 130, the first positioning plate 110 and the second positioning plate 120 are arranged one by one, and the fixing assembly 130 connects the corresponding first locking plate portion 112 and the second locking plate portion 122. Among them, the first positioning plate 110 and the second positioning plate 120 can be two plate structures arranged symmetrically to each other. When assembling the switch device, the first positioning plate 110 and the second positioning plate 120 can be sleeved on the corresponding switch assembly 10, and then the fixing assembly 130 can be connected. Under the constraint of the positioning channel 101, the isolation contact 20, the intermediate contact 30 and the grounding contact 40 are coaxial along the second direction, and the longitudinal positioning assembly 100 is split into the first positioning plate 110 and the second positioning plate 120, which is convenient for processing and molding, and convenient for positioning and use of the longitudinal positioning assembly 100, effectively improving assembly efficiency and assembly accuracy. In addition, the provision of the first locking plate portion 112 and the second locking plate portion 122 can make way for the switch assembly 10 to prevent position interference.

[0048] Exemplarily, the first positioning plate 110 and the second positioning plate 120 are both provided with rounded corners to effectively prevent cutting of parts or assemblers.

[0049] Exemplarily, the first positioning plate 110 and the second positioning plate 120 may be made of metal and formed by bending.

[0050] Exemplarily, the fixing assembly 130 may include at least two fasteners 131, and a screw set 132 corresponding to the fastener 131 is provided on the second locking plate portion 122, and the fastener 131 passes through the first locking plate and the second locking plate portion 122 and is threadedly connected with the screw set 132, so as to facilitate the locking between the first positioning plate 110 and the second positioning plate 120, and the connection is stable and reliable. Specifically, the fastener 131 includes a rod and a head provided at the first end of the rod, and the second end of the rod passes through the first locking plate portion 112 and the second locking plate portion 122 and is threadedly connected with the screw set 132. Exemplarily, the fastener 131 may be a bolt, and the screw set 132 may be a nut. Exemplarily, the screw set 132 may be fixed to the second locking plate portion 122 by welding. In this embodiment, a gasket may also be passed through the fastener 131 to increase the contact area.

[0051] In a feasible implementation, a stopper (not shown) may be provided on the rod, and the stopper is located on the side of the first locking plate 112 facing away from the head, so as to prevent the fastener 131 from being separated from the first locking plate 112, thereby facilitating the assembly of the longitudinal positioning assembly 100. The stopper may be located in the middle area of ​​the rod. For example, the stopper may be fixed to the rod by welding or threading. For example, the stopper may be a nut or a plate-shaped member.

[0052] In this embodiment, the corresponding first locking plates and second locking plate portions 122 are spaced apart to form a clearance channel, which facilitates the use of an assembly tool to lock and fix the middle contact 30 .

[0053] In this embodiment, refer to Figure 1 , Figure 3 , Figure 5 and Figure 6 As shown, both the first arc-shaped plate portion 111 and the second arc-shaped plate portion 121 may be provided with an observation hole 102. In this embodiment, the moving contact 50 slidably disposed in the middle contact 30 can be exposed in the observation hole 102, and the sliding condition of the moving contact 50 can be observed through the observation hole 102 to ensure that the moving contact 50 and the middle contact 30 are coaxially disposed.

[0054] Exemplarily, the first arc-shaped plate portion 111 and the second arc-shaped plate portion 121 are each provided with two observation holes 102 spaced apart along the second direction, one of the two observation holes 102 is located between the isolating contact 20 and the intermediate contact 30, and the other is located between the intermediate contact 30 and the grounding contact 40, so as to ensure that the first arc-shaped plate portion 111 and the second arc-shaped plate portion 121 can stably and reliably constrain the isolating contact 20, the intermediate contact 30 and the grounding contact 40, thereby effectively ensuring the assembly accuracy of the contact assembly.

[0055] In this embodiment, continue to refer to Figure 1 , Figure 3 , Figure 5 and Figure 6 As shown, a protrusion 31 is provided on the peripheral side of the middle contact 30, and a clearance groove 103 is provided on the first positioning plate 110 and the second positioning plate 120. The clearance groove 103 makes way for the protrusion 31 to prevent position interference. In this embodiment, two fasteners 131 can be provided on the first locking plate portion 112 on the side of the first positioning plate 110 where the clearance groove 103 is provided, and the clearance groove 103 is located between the two fasteners 131; three fasteners 131 can be provided on the first locking plate portion 112 on the side of the first positioning plate 110 where the clearance groove 103 is not provided, so as to ensure that the first positioning plate 110 and the second positioning plate 120 constrain the isolation contact 20, the middle contact 30 and the grounding contact 40 stably and reliably.

[0056] In this embodiment, refer to Figure 1 , Figure 2 , Figure 3 , Figure 7 and Figure 8 As shown, a wiring row 21 is provided on the peripheral side of the isolation contact 20, and the transverse positioning member 200 can be fitted with the wiring row 21 along the first direction, which is convenient for positioning and use of the transverse positioning member 200, and can further ensure that all switch assemblies 10 are arranged in parallel along the first direction. Among them, at least one wiring hole 22 is provided on the wiring row 21. Exemplarily, the wiring row 21 can be provided with two wiring holes 22 along the first direction.

[0057] In a feasible embodiment, the transverse positioning member 200 is provided with a positioning hole group 202 and a gripping hole 203 along the first direction, the gripping hole 203 corresponds to at least one wiring row 21, and the positioning hole group 202 corresponds one-to-one with the remaining wiring rows 21. The positioning hole group 202 includes at least one second positioning hole 2021, and the second positioning hole 2021 of each positioning hole group 202 corresponds one-to-one with the wiring hole 22 on the corresponding wiring row 21, and the second positioning hole 2021 can be arranged cocentrically with the corresponding wiring hole 22; the gripping hole 203 includes a positioning surface 2031 perpendicular to the first direction and the second direction, and the positioning surface 2031 can be tangent to the corresponding wiring hole 22. The direction perpendicular to the first direction and the second direction is the third direction, Figure 1 The c direction in the figure can be the third direction. When assembling the switch device, all the isolating contacts 20 are respectively inserted into the first positioning holes 201 corresponding to the transverse positioning member 200, and the transverse positioning member 200 is fitted with the wiring row 21, and the orientation of the isolating contacts 20 is adjusted so that the second positioning holes 2021 and the corresponding wiring holes 22 are arranged concentrically, and the positioning surface 2031 is tangent to the corresponding wiring holes 22, so as to realize the positioning and assembly of all the isolating contacts 20. In addition, the provision of the gripping hole 203 facilitates the lifting of the transverse positioning member 200.

[0058] For example, taking the gripping hole 203 corresponding to a terminal block 21 as an example, the size of the gripping hole 203 along the first direction is larger than the size of the terminal block 21 along the first direction to facilitate carrying. For example, both sides of the gripping hole 203 along the first direction are protruding from the corresponding terminal block 21.

[0059] For example, taking the switch device including three switch assemblies 10 as an example, the transverse positioning member 200 is provided with two positioning hole groups 202 and a gripping hole 203 along the first direction, and the gripping hole 203 is located between the two positioning hole groups 202, so that the positioning between the transverse positioning member 200 and the isolation contact 20 is convenient and reliable. In this embodiment, the first positioning hole 201 can be set as a long strip hole that can accommodate all the isolation contacts 20 of the switch device.

[0060] In this embodiment, refer to Figure 8 As shown, the transverse positioning member 200 includes a plate body 210 and a folding edge 220 provided at the edge of the plate body 210. The plate body 210 is provided with a first positioning hole 201. The folding edge 220 can effectively prevent the plate body 210 from being deformed and effectively prevent the plate body 210 from cutting parts or assemblers. For example, the folding edge 220 can be provided on both sides of the plate body 210 along the first direction and on the side of the plate body 210 where the gripping hole 203 is provided along the third direction. The material of the transverse positioning member 200 can be metal material, which is formed by bending.

[0061] Exemplarily, the specific process of using the positioning tool in this embodiment to position and assemble the switch device in the gas box (not shown) is as follows:

[0062] S100, pre-install the isolating contact 20, the middle contact 30 and the grounding contact 40 in the air box, that is, the isolating contact 20, the middle contact 30 and the grounding contact 40 are not locked and fixed, and the isolating contact 20, the middle contact 30 and the grounding contact 40 are movable.

[0063] S200 , sleeve the transverse positioning member 200 on all the isolating contacts 20 and fit them with the wiring row 21 , adjust the orientation of the isolating contacts 20 so that the second positioning hole 2021 and the corresponding wiring hole 22 are cocentrically arranged, and the positioning surface 2031 is tangent to the corresponding wiring hole 22 .

[0064] S300 , sleeve the first positioning plate 110 and the second positioning plate 120 onto the corresponding isolation contact 20 , the middle contact 30 and the grounding contact 40 , and lock and fix them with the fastener 131 .

[0065] S400, locking and fixing the isolating contact 20, the intermediate contact 30 and the grounding contact 40 in the air box.

[0066] S500, connecting the terminal block 21 to the copper busbar (not shown) in the gas box.

[0067] S600 , sequentially disassemble the longitudinal positioning assembly 100 and the transverse positioning member 200 .

[0068] Before removing the transverse positioning member 200 , the moving contact 50 is slid to the grounding contact 40 .

[0069] In this embodiment, the terminal block 21 is first connected to the copper busbar, and then the longitudinal positioning assembly 100 and the transverse positioning member 200 are disassembled, which effectively prevents the stress generated during the assembly between the terminal block 21 and the copper busbar from causing the isolation contact 20 to change position.

[0070] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A positioning tool, used for positioning and assembling a switch device, the switch device comprising a plurality of switch assemblies (10) arranged side by side along a first direction, the switch assembly (10) comprising an isolating contact (20), an intermediate contact (30) and a grounding contact (40) arranged along a second direction, characterized in that: The positioning tooling comprises: A plurality of longitudinal positioning assemblies (100) are provided and are arranged one-to-one with the switch assemblies (10), the longitudinal positioning assemblies (100) comprising positioning channels (101), the positioning channels (101) being capable of sleeve-mounting the corresponding isolating contacts (20), the intermediate contacts (30) and the grounding contacts (40); A transverse positioning member (200) is arranged in the second direction of the longitudinal positioning component (100), and the transverse positioning member (200) is provided with at least one first positioning hole (201) along the first direction, and the first positioning hole (201) can be sleeved with at least one of the isolation contacts (20).

2. The positioning tool according to claim 1, characterized in that: The longitudinal positioning assembly (100) comprises: A first positioning plate (110), the first positioning plate (110) comprising a first arc-shaped plate portion (111) and first locking plate portions (112) respectively arranged on both sides of the first arc-shaped plate portion (111); A second positioning plate (120), the second positioning plate (120) comprising a second arc-shaped plate portion (121) and second locking plate portions (122) respectively arranged on both sides of the second arc-shaped plate portion (121), the positioning channel (101) being formed between the first arc-shaped plate portion (111) and the second arc-shaped plate portion (121); A fixing assembly (130), wherein the fixing assembly (130), the first positioning plate (110) and the second positioning plate (120) are arranged in a one-to-one correspondence, and the fixing assembly (130) connects the corresponding first locking plate portion (112) and the second locking plate portion (122).

3. The positioning tool according to claim 2, characterized in that: The first arc-shaped plate portion (111) and the second arc-shaped plate portion (121) are both provided with observation holes (102), and the moving contact (50) slidably arranged in the middle contact (30) can be exposed in the observation hole (102).

4. The positioning tool according to claim 3, characterized in that: The first arc-shaped plate portion (111) and the second arc-shaped plate portion (121) are both provided with two observation holes (102) spaced apart along a second direction, one of the two observation holes (102) being located between the isolation contact (20) and the intermediate contact (30), and the other being located between the intermediate contact (30) and the grounding contact (40).

5. The positioning tool according to claim 2, characterized in that: The fixing assembly (130) comprises at least two fasteners (131); a screw sleeve (132) corresponding to the fasteners (131) is provided on the second locking plate portion (122); the fastener (131) passes through the first locking plate portion (112) and the second locking plate portion (122) and is threadedly connected to the screw sleeve (132).

6. The positioning tool according to claim 5, characterized in that: The fastener (131) comprises a rod and a head arranged at a first end of the rod, the second end of the rod is passed through the first locking plate (112) and the second locking plate (122) and is threadedly connected to the screw sleeve (132), and a limiting member is provided on the rod, and the limiting member is located on a side of the first locking plate (112) facing away from the head.

7. The positioning tool according to claim 1, characterized in that: The first positioning hole (201) is configured as a long hole, and the first positioning hole (201) can be sleeved with all the isolating contacts (20) of the switch device.

8. The positioning tool according to claim 1, characterized in that: The transverse positioning member (200) comprises a plate body (210) and a folded edge (220) arranged at the edge of the plate body (210), and the plate body (210) is provided with the first positioning hole (201).

9. The positioning tool according to any one of claims 1 to 8, characterized in that: A wiring row (21) is provided on the peripheral side of the isolation contact (20), and at least one wiring hole (22) is provided on the wiring row (21); The transverse positioning member (200) can be fitted with the wiring block (21) along the second direction, and the transverse positioning member (200) is provided with a positioning hole group (202) and a gripping hole (203) along the first direction, the gripping hole (203) corresponds to at least one of the wiring blocks (21), and the positioning hole group (202) corresponds to the remaining wiring blocks (21) one by one; wherein, The positioning hole group (202) comprises at least one second positioning hole (2021), the second positioning hole (2021) of each positioning hole group (202) corresponds one-to-one to the wiring hole (22) on the corresponding wiring row (21), and the second positioning hole (2021) can be arranged cocentrically with the corresponding wiring hole (22); The gripping hole (203) comprises a positioning surface (2031) perpendicular to the first direction and the second direction, and the positioning surface (2031) can be tangent to the corresponding wiring hole (22).

10. The positioning tool according to claim 9, characterized in that: The switch device comprises three switch assemblies (10), the transverse positioning member (200) being provided with two positioning hole groups (202) and one gripping hole (203) along a first direction, and the gripping hole (203) being located between the two positioning hole groups (202).

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