An intermediate device for testing the mechanical characteristics of 10kV trolley switches

Abstract

The present invention discloses an intermediate device for mechanical property test of a 10kV trolley switch, and specifically relates to the technical field of mechanical property test of a trolley switch, including an aviation plug of a trolley switch, a mechanical property tester, and an intermediate connection structure installed therebetween, wherein the aviation plug of the trolley switch is a 58-core aviation plug male head, and two groups of test lines are arranged between the aviation plug of the trolley switch, the mechanical property tester, and the intermediate connection structure, and are connected by the two groups of test lines, and the intermediate connection structure includes a rubber grid. The present invention can quickly connect the aviation plug of the trolley switch and the mechanical property tester and perform mechanical property experiment operation, shorten the experiment cycle, and thus improve the experiment efficiency, and at the same time, can fix the respective connection lines and test lines, avoid confusion between multiple test lines and connection lines, and avoid the phenomenon of falling off due to pulling and shaking after connection.

Description

Technical Field

[0001] The present invention relates to the technical field of mechanical characteristic test of a trolley switch, and more specifically, to an intermediate device for mechanical characteristic test of a 10kV trolley switch. Background Art

[0002] The 10kV trolley switch is a 58-core aviation plug male. In order to ensure the later use effect of the trolley switch, it is necessary to perform a mechanical performance test on it using a mechanical property tester;

[0003] Mechanical characteristics refer to the action time and movement speed of the circuit breaker contacts, mainly including the opening and closing time, opening and closing speed, the synchronicity of the opening and closing of the main and auxiliary contacts, and the action voltage of the opening and closing electromagnets.

[0004] The invention patent with patent application number CN202210030849.8 discloses a trolley switch mechanical characteristics test connection device, including: a device body, which is in the shape of a strip; one side of the device body is an insulating side, and the other side is an operating side, wherein the operating side is provided with a signal acquisition component, which contacts with the three-phase upper contacts of the trolley switch to collect and transmit signals; the operating side is also provided with a short-circuit component, which contacts with the three-phase lower contacts of the trolley switch to short-circuit the three-phase lower contacts. This invention can reduce the time required for replacing switches for mechanical characteristics tests of multiple 10kV trolley switches.

[0005] However, the invention does not disclose how to quickly connect the trolley switch and the tester. Generally, when connecting the test line of the switch mechanical characteristics tester with the aviation plug of the trolley switch, it takes a lot of time to find and connect the required plugs due to the large number of plugs, and there is a phenomenon of unstable connection leading to disconnection of the line. In view of this, the present invention proposes an intermediate device for the mechanical characteristics test of a 10kV trolley switch. Summary of the invention

[0006] In order to overcome the above defects of the prior art, the present invention provides an intermediate device for testing the mechanical characteristics of a 10kV trolley switch to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an intermediate device for mechanical property test of a 10kV trolley switch, comprising an aviation plug of a trolley switch, a mechanical property tester and an intermediate connection structure installed between the aviation plug of the trolley switch and the mechanical property tester, wherein the aviation plug of the trolley switch is a 58-core aviation plug male head, and two groups of test wires are arranged between the aviation plug of the trolley switch, the mechanical property tester and the intermediate connection structure, and are connected through the two groups of test wires.

[0008] In order to quickly connect the trolley switch aviation plug with the mechanical properties tester, preferably, the intermediate connection structure includes a rubber grid, the rubber grid is located between the trolley switch aviation plug and the mechanical properties tester, and the meshes on the rubber grid correspond one to one with the probes on the trolley switch aviation plug; two closing transition columns are installed on the rubber grid, two energy storage transition columns are arranged on one side of the closing transition column, and an opening transition column is arranged on the surface of the rubber grid and away from the energy storage transition column; a plurality of connecting columns corresponding to the positions of the closing transition column, the energy storage transition column and the opening transition column are installed on the trolley switch aviation plug.

[0009] In order to further shorten the time for connecting the trolley switch aviation plug and the mechanical property tester, the trolley switch aviation plug is quickly connected for test operation. Preferably, the two groups of test lines include one test line group and one test line group, respectively. The test line group is two closing lines, two energy storage lines and two opening lines. One end of the two closing lines, the two energy storage lines and the two opening lines are provided with plugs, and are connected to the interface of the mechanical property tester through the plugs. The other ends of the two closing lines, the two energy storage lines and the two opening lines are respectively connected to the two closing transition columns, the two energy storage transition columns and the two opening lines on the rubber grid. The two test wire groups are connected to the gate transition column; the two groups of test wires are two closing connection wires, two energy storage connection wires and two opening connection wires, one end of the two closing connection wires, the two energy storage connection wires and the two opening connection wires are connected to the bottom ends of the corresponding two closing transition columns, two energy storage transition columns and two opening transition columns, and the other end is connected to the corresponding connection column on the trolley switch aviation plug; the two closing wires and the two closing connection wires are the same color as the closing transition column, the two energy storage wires and the two energy storage connection wires are the same color as the energy storage transition column, and the two opening wires and the two opening connection wires are the same color as the opening transition column.

[0010] In order to facilitate the angle adjustment of the flip plate according to the distribution of the connecting lines and the test lines, and to facilitate the folding and storage of the flip plate, preferably, flip plates are provided at both ends of the rubber grid, and one end of the two flip plates is rotatably connected to the rubber grid through a hinge, and the top of one flip plate and the bottom of the other flip plate are provided with fixed structures with the same number as the first group of test lines and the second group of test lines.

[0011] In order to facilitate the fixation and separation of the connecting wires and the test wires, avoid confusion between multiple test wires and the connecting wires, and avoid falling off due to pulling and shaking after connection, preferably, the fixing structure includes a guide rail installed on the surface of the flip plate, a bidirectional screw is arranged inside the guide rail, and two threaded adjustment blocks are arranged outside the bidirectional screw, arc-shaped clamping blocks are symmetrically arranged on the top ends of the two threaded adjustment blocks, the two threaded adjustment blocks are both connected to the external threads of the bidirectional screw, and a rubber protective pad is installed on the inner wall of the arc-shaped clamping block.

[0012] Technical effects and advantages of the present invention:

[0013] 1. An intermediate connection structure is set between the trolley switch aviation plug and the mechanical property tester. The intermediate connection structure is composed of a rubber grid corresponding to the probes of the trolley switch aviation plug and transition columns of different colors installed on the rubber grid. At the same time, the test wire and the connecting wire used to connect the trolley switch aviation plug and the mechanical property tester are matched with the corresponding transition column colors. When making a connection, it is only necessary to match each extended connection line and the transition column, thereby greatly shortening the connection time between the trolley switch aviation plug and the mechanical property tester, thereby improving the experimental efficiency;

[0014] 2. By installing flip-adjustable flip plates at both ends of the rubber grid and installing multiple fixed structures on the flip plates, the corresponding connecting wire or test wire can be placed between the two arc-shaped clamping blocks. The user rotates the bidirectional screw to make the two threaded adjustment blocks approach each other, and drive the two symmetrically distributed arc-shaped clamping blocks to approach each other, thereby clamping and fixing the connecting wire or test wire, avoiding confusion of multiple test wires or connecting wires, and reducing the phenomenon of connecting wires or test wires falling off due to pulling or shaking, thereby improving the test effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0016] Figure 2 This is a structural state diagram of the two flip plates of the present invention when they are unfolded.

[0017] Figure 3 It is a schematic diagram of the structure of the aviation plug of the trolley switch of the present invention.

[0018] Figure 4 It is a three-dimensional schematic diagram of the fixing structure of the present invention.

[0019] The accompanying drawings are marked as follows: 1. Aviation plug of trolley switch; 2. Mechanical property tester; 3. Rubber grid; 4. Closing transition column; 5. Energy storage transition column; 6. Opening transition column; 7. Connecting column; 8. One group of test lines; 801. Closing line; 802. Energy storage line; 803. Opening line; 9. Plug; 10. Two groups of test lines; 100. Closing connecting line; 101. Energy storage connecting line; 102. Opening connecting line; 11. Flip plate; 12. Guide rail; 13. Bidirectional screw; 14. Threaded adjustment block; 15. Arc clamp block; 16. Rubber protective pad. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Embodiment 1,

[0022] As attached Figure 1-3 As shown, an embodiment of the present invention provides an intermediate device for mechanical property test of a 10kV trolley switch, comprising a trolley switch aviation plug 1, a mechanical property tester 2 and an intermediate connection structure installed between the trolley switch aviation plug 1 and the mechanical property tester 2, wherein the trolley switch aviation plug 1 is a 58-core aviation plug male plug, and two groups of test wires are arranged between the trolley switch aviation plug 1, the mechanical property tester 2 and the intermediate connection structure, and are connected through the two groups of test wires.

[0023] Specifically, in this structure, when the mechanical characteristics tester 2 is used to test the trolley switch aviation plug 1, in order to avoid the problem that when the mechanical characteristics tester 2 is connected to the trolley switch aviation plug 1 through the test line, it takes a lot of time to find and connect the required plugs 9 due to the large number of plugs 9, an intermediate connection structure is designed between the mechanical characteristics tester 2 and the trolley switch aviation plug 1, which can facilitate the test personnel to connect the mechanical characteristics tester 2 and the trolley switch aviation plug 1 through the test line and perform test operations, thereby shortening a lot of test time.

[0024] In this embodiment, as shown in the attached Figure 1 , 2As shown, the intermediate connection structure includes a rubber grid 3, which is located between the trolley switch aviation plug 1 and the mechanical property tester 2, and the meshes on the rubber grid 3 correspond one to one with the probes on the trolley switch aviation plug 1; two closing transition columns 4 are installed on the rubber grid 3, and two energy storage transition columns 5 are arranged on one side of the closing transition column 4, and an opening transition column 6 is arranged on the surface of the rubber grid 3 and away from the energy storage transition column 5; a plurality of connecting columns 7 corresponding to the positions of the closing transition column 4, the energy storage transition column 5 and the opening transition column 6 are installed on the trolley switch aviation plug 1.

[0025] Specifically, in the structure of the present embodiment, since the mesh holes on the rubber grid 3 correspond one-to-one with the probes on the trolley switch aviation plug 1, and the trolley switch aviation plug 1 is provided with a plurality of connecting columns 7 corresponding to the positions of the closing transition column 4, the energy storage transition column 5 and the opening transition column 6, when testing, the two closing transition columns 4, the two energy storage transition columns 5 and the two opening transition columns 6 can be connected one-to-one with the connecting columns 7 on the trolley switch aviation plug 1 through the test line, thereby realizing the quick connection between the trolley switch aviation plug 1 and the mechanical properties tester 2.

[0026] In this embodiment, as shown in the attached Figure 1 , 2 As shown in Figure 3, the two groups of test lines include a test line group 8 and a test line group 10, respectively. The test line group 8 includes two closing lines 801, two energy storage lines 802 and two opening lines 803. One end of the two closing lines 801, the two energy storage lines 802 and the two opening lines 803 is provided with a plug 9, and is connected to the interface of the mechanical property tester 2 through the plug 9. The other ends of the two closing lines 801, the two energy storage lines 802 and the two opening lines 803 are respectively connected to the two closing transition columns 4, the two energy storage transition columns 5 and the two opening transition columns 6 on the rubber grid 3; the test line group 10 includes two closing connection lines 100, two The energy storage connecting wire 101 and the two opening connecting wires 102, the two closing connecting wires 100, the two energy storage connecting wires 101 and the two opening connecting wires 102 are all connected to the bottom ends of the corresponding two closing transition columns 4, the two energy storage transition columns 5 and the two opening transition columns 6, and the other ends are connected to the corresponding connecting columns 7 on the trolley switch aviation plug 1; the two closing wires 801 and the two closing connecting wires 100 are the same color as the closing transition column 4, the two energy storage wires 802 and the two energy storage connecting wires 101 are the same color as the energy storage transition column 5, and the two opening wires 803 and the two opening connecting wires 102 are the same color as the opening transition column 6.

[0027] Specifically, in this structure, in order to further shorten the connection time of the trolley switch aviation plug 1 and the mechanical properties tester 2, since the two closing lines 801 and the two closing connecting lines 100 are the same color as the closing transition column 4, the two energy storage lines 802 and the two energy storage connecting lines 101 are the same color as the energy storage transition column 5, and the two opening lines 803 and the two opening connecting lines 102 are the same color as the opening transition column 6, the tester only needs to connect multiple transition columns and multiple connecting columns 7 through test lines of corresponding colors to quickly connect the trolley switch aviation plug 1 for test operation.

[0028] Specifically, the principle in this embodiment is that the present invention installs an intermediate connection structure between the trolley switch aviation plug 1 and the mechanical property tester 2, and the intermediate connection structure is composed of a rubber grid 3 corresponding to the probes of the trolley switch aviation plug 1 and transition columns of different colors installed on the rubber grid 3. At the same time, the test wire and the connecting wire used to connect the trolley switch aviation plug 1 and the mechanical property tester are matched with the corresponding transition column color, so that the additional intermediate connection structure can greatly shorten the connection time between the trolley switch aviation plug 1 and the mechanical property tester, thereby improving the experimental efficiency;

[0029] The closing transition column 4 is red, the energy storage transition column 5 is yellow, and the opening transition column 6 is green, and the corresponding connecting wires and test wires are the same color as the corresponding transition columns. Then, the connecting wires and test wires of the same color are connected to the corresponding transition columns and connections respectively.

[0030] Embodiment 2,

[0031] As attached Figure 1-4 As shown, this embodiment provides an intermediate device for mechanical property test of a 10kV trolley switch, including a trolley switch aviation plug 1, a mechanical property tester 2 and an intermediate connecting structure installed therebetween, the trolley switch aviation plug 1 is a 58-core aviation plug 9 male head, two groups of test wires are arranged between the trolley switch aviation plug 1, the mechanical property tester 2 and the intermediate connecting structure, and are connected through the two groups of test wires, the intermediate connecting structure includes a rubber grid 3, the rubber grid 3 is between the trolley switch aviation plug 9 and the mechanical property tester 2, and the meshes on the rubber grid 3 correspond one by one to the probes on the trolley switch aviation plug 1.

[0032] In this embodiment, as shown in the attached Figure 2 , 4 As shown, flip plates 11 are provided at both ends of the rubber grid 3, and one end of the two flip plates 11 is rotatably connected to the rubber grid 3 through a hinge, and the top of one flip plate 11 and the bottom of the other flip plate 11 are provided with a fixed structure with the same number as the test line group 8 and the test line group 2 10.

[0033] Specifically, in this embodiment, a plurality of fixing structures for fixing a group 8 of test lines and a group 2 of test lines 10 are installed on the flip plate 11, which can fix and separate multiple test lines and connecting lines to avoid confusion between the multiple test lines and the connecting lines, and at the same time avoid the phenomenon of falling off due to pulling and shaking after connection, thereby improving the tightness of the connection. Moreover, the flip plate 11 can be flipped between the hinge and the rubber grid 3, and the angle of the flip plate 11 can be adjusted according to the distribution of the connecting lines and the test lines, and the flip plate 11 can be easily folded and stored.

[0034] In this embodiment, as shown in the attached Figure 2 , 4 As shown, the fixing structure includes a guide rail 12 installed on the surface of the flip plate 11, a bidirectional screw 13 is arranged inside the guide rail 12, and two threaded adjustment blocks 14 are arranged outside the bidirectional screw 13, arc-shaped clamping blocks 15 are symmetrically arranged at the top of the two threaded adjustment blocks 14, the two threaded adjustment blocks 14 are both connected to the external threads of the bidirectional screw 13, and a rubber protective pad 16 is installed on the inner wall of the arc-shaped clamping block 15.

[0035] Specifically, in this embodiment, when fixing the connecting wire and the test wire, the corresponding connecting wire or test wire is placed between the two arc-shaped clamping blocks 15. The user rotates the bidirectional screw 13 to move the two threaded adjustment blocks 14 closer to each other, and drives the two symmetrically distributed arc-shaped clamping blocks 15 closer to each other, thereby clamping and fixing the connecting wire or the test wire.

[0036] Specifically, the principle in this embodiment is that, on the basis of Embodiment 1, this embodiment installs flip-adjustable flip plates 11 at both ends of the rubber grid 3, and installs multiple fixing structures on the flip plates 11, which can play a good fixing effect on the test lines or connecting lines, avoid confusion of multiple test lines or connecting lines, and reduce the phenomenon of connecting lines or test lines falling off due to pulling or shaking, thereby improving the test effect.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An intermediate device for testing the mechanical properties of a 10 kV trolley switch, comprising a trolley switch aviation plug (1), a mechanical properties tester (2), and an intermediate connection structure installed between the trolley switch aviation plug (1) and the mechanical properties tester (2), characterized in that: The trolley switch aviation plug (1) is a 58-core aviation plug male head. Two groups of test wires are arranged between the trolley switch aviation plug (1), the mechanical property tester (2) and the intermediate connection structure, and are connected via the two groups of test wires. The intermediate connection structure comprises a rubber grid (3), the rubber grid (3) being located between the trolley switch aviation plug (1) and the mechanical property tester (2), and the mesh holes on the rubber grid (3) corresponding one-to-one to the probes on the trolley switch aviation plug (1); Two closing transition columns (4) are mounted on the rubber grid (3); two energy storage transition columns (5) are arranged on one side of the closing transition column (4); and a closing transition column (6) is arranged on the surface of the rubber grid (3) and on a side away from the energy storage transition columns (5); The two groups of test wires respectively comprise a test wire group (8) and a test wire group (10); the test wire group (8) comprises two closing wires (801), two energy storage wires (802) and two opening wires (803); one end of the two closing wires (801), the two energy storage wires (802) and the two opening wires (803) are all provided with plugs (9), and are connected to the interface of the mechanical property tester (2) through the plugs (9); the other ends of the two closing wires (801), the two energy storage wires (802) and the two opening wires (803) are respectively connected to two closing transition columns (4), two energy storage transition columns (5) and two opening transition columns (6) on the rubber grid (3).

2. The intermediate device for mechanical characteristic test of 10kV trolley switch according to claim 1 is characterized in that: The trolley switch aviation plug (1) is provided with a plurality of connection columns (7) corresponding to the positions of the closing transition column (4), the energy storage transition column (5) and the opening transition column (6).

3. The intermediate device for mechanical characteristic test of 10kV trolley switch according to claim 1 is characterized in that: The second test line group (10) comprises two closing connection lines (100), two energy storage connection lines (101) and two opening connection lines (102), one end of each of the two closing connection lines (100), the two energy storage connection lines (101) and the two opening connection lines (102) is connected to the bottom ends of two corresponding closing transition columns (4), two energy storage transition columns (5) and two opening transition columns (6), and the other end is connected to the corresponding connection column (7) on the trolley switch aviation plug (1).

4. The intermediate device for mechanical characteristic test of 10kV trolley switch according to claim 1, characterized in that: The two closing wires (801) and the two closing connecting wires (100) are the same color as the closing transition column (4), the two energy storage wires (802) and the two energy storage connecting wires (101) are the same color as the energy storage transition column (5), and the two opening wires (803) and the two opening connecting wires (102) are the same color as the opening transition column (6).

5. The intermediate device for mechanical characteristic test of 10kV trolley switch according to claim 1 is characterized in that: Both ends of the rubber grid (3) are provided with flip plates (11), and one end of the two flip plates (11) is rotatably connected to the rubber grid (3) via a hinge, and the top of one flip plate (11) and the bottom of the other flip plate (11) are provided with fixed structures having the same number as the first group of test lines (8) and the second group of test lines (10).

6. The intermediate device for testing the mechanical characteristics of a 10kV trolley switch according to claim 5, characterized in that: The fixing structure comprises a guide rail (12) mounted on the surface of the flip plate (11), a bidirectional screw rod (13) being arranged inside the guide rail (12), and two threaded adjustment blocks (14) being arranged outside the bidirectional screw rod (13), and arc-shaped clamping blocks (15) being symmetrically arranged at the top ends of the two threaded adjustment blocks (14).

7. The intermediate device for testing the mechanical characteristics of a 10kV trolley switch according to claim 6, characterized in that: The two threaded adjustment blocks (14) are both connected to the external threads of the bidirectional screw rod (13), and a rubber protective pad (16) is installed on the inner wall of the arc-shaped clamping block (15).

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