Universal fixed-opening-distance simulation clamp

Abstract

The utility model discloses a universal fixed-opening-distance simulation clamp, which comprises a handle, the upper end of the handle is fixedly connected with a fixed arm, the right side of the fixed arm is fixedly connected with a second sensor shell, a sensor body is arranged in the second sensor shell, the sensor body is fixedly connected with the fixed arm, and the fixed arm is fixedly connected with the second sensor shell. The outer wall of the sensor body is fixedly connected with a first sensor shell, the first sensor shell is located above the second sensor shell, the left side of the fixing arm is fixedly connected with a fixing block, the fixing block is rotatably connected with a rotating shaft, the rotating shaft is fixedly connected with a clamping arm, and the clamping arm is fixedly connected with a clamping groove. The upper end of the clamping arm and the upper end of the first sensor shell are both provided with simulation contacts. According to the simulation clamp, the opening distance can be rapidly adjusted, the simulation clamp is adaptive to measurement of tulip contacts with different sizes, and a proper simulation contact can be selected according to the size of the tulip contact to be rapidly fixed on the simulation clamp, so that the detection efficiency is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of high-voltage disconnector switch contact finger pressure testing technology, and in particular to a universal fixed-distance simulation clamp. Background Technology

[0002] In the operation, maintenance, manufacturing, and testing of high-voltage disconnect switches, contact finger pressure is a core parameter for measuring the conductivity and mechanical reliability of the contacts. Disconnect switches (especially outdoor types) are exposed to complex environments for extended periods, and the contact fingers are susceptible to corrosion, oxidation, and spring annealing, leading to pressure decay and potentially causing poor contact, overheating, or even accidents. Therefore, accurate measurement of contact finger pressure is crucial for ensuring the safety of power systems.

[0003] Although existing high-voltage disconnector contact pressure measuring equipment can measure multiple types of contacts by changing the analog contact clamps, the traditional analog clamp opening distance adjustment relies on mechanical accessory combinations and cannot cover the continuous adjustment requirements of the contact blade spacing in the full range of 8-90mm.

[0004] Therefore, a universal fixed-distance simulation clamp needs to be designed to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a universal fixed-distance simulation clamp. This simulation clamp can quickly adjust the opening distance to adapt to the measurement of different sizes of Phillips head contacts, and can quickly fix a suitable simulation contact on the simulation clamp according to the size of the Phillips head contact, greatly improving the efficiency of the test.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A universal fixed-distance simulation clamp includes a handle, a fixed arm fixedly connected to the upper end of the handle, a second sensor housing fixedly connected to the right side of the fixed arm, a sensor body disposed inside the second sensor housing, the sensor body being fixedly connected to the fixed arm, a first sensor housing fixedly connected to the outer wall of the sensor body, the first sensor housing being located above the second sensor housing, a fixed block fixedly connected to the left side of the fixed arm, a rotating shaft rotatably connected to the fixed block, a clamping arm fixedly connected to the rotating shaft, and simulation contacts provided at the upper ends of both the clamping arm and the first sensor housing.

[0008] Preferably, a threaded sleeve is fixedly connected through the fixed arm, and an adjusting rod is threadedly connected to the threaded sleeve.

[0009] Preferably, the upper ends of the clamping arm and the first sensor housing are provided with fixing holes, and the two simulated contacts are provided with through holes. The inner walls of the through holes and fixing holes are provided with threaded layers, and each pair of mating through holes and fixing holes are connected by a screw.

[0010] Preferably, a first fixing bracket is fixedly connected to the right side of the second sensor housing, and a second fixing bracket is fixedly connected to the right side of the first sensor housing.

[0011] Preferably, a positioning pin is provided in the through hole, and the lower end of the positioning pin extends into the fixing hole.

[0012] Preferably, a handle is fixedly connected to the rear side of both the clamping arm and the first sensor housing, and two pins are fixedly connected to the front side of each handle. The front side of each pin extends into a corresponding fixing hole. The two handles are elastically connected to the clamping arm and the first sensor housing respectively by springs, and a positioning hole is provided on the rear side of each positioning pin.

[0013] Compared with existing technologies, the advantages of this device are:

[0014] 1. Compared with the prior art, this device can adjust the distance between the two simulated contacts according to the size of the plum blossom contact by setting the adjustment rod. At the same time, it can select the appropriate simulated contact according to the size of the plum blossom contact and install it on the clamp arm and the housing of the first sensor with screws, which greatly improves the applicability of the simulated clamp.

[0015] 2. Compared with existing technologies, by setting up pins and positioning blocks, when replacing the simulated contact, the positioning pin can be directly inserted into the fixing hole, and the simulated contact can be installed by fixing the positioning pin with the pin, which greatly improves the installation and replacement efficiency of the simulated contact. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a universal fixed-distance simulation clamp proposed in this utility model;

[0017] Figure 2 This is a structural schematic diagram of a universal fixed-distance simulation clamp proposed in this utility model from another perspective;

[0018] Figure 3 This is a schematic diagram simulating the structure of a contact.

[0019] Figure 4 This is a schematic diagram of the structure of a general-purpose clamp;

[0020] Figure 5 This is a schematic diagram of the structure of Embodiment 2 of the present invention;

[0021] Figure 6 for Figure 5 A structural diagram from another perspective;

[0022] Figure 7 This is a structural diagram of multiple locating pins.

[0023] In the diagram: 1. Handle, 2. Fixing arm, 3. Adjusting rod, 4. Threaded sleeve, 5. Clamping arm, 6. First fixing bracket, 7. Second fixing bracket, 8. Simulated contact, 9. Screw, 10. Sensor body, 11. Fixing block, 12. First sensor housing, 13. Through hole, 14. Fixing hole, 15. Second sensor housing, 16. Positioning pin, 17. Pull handle, 18. Spring, 19. Pin, 20. Positioning hole. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0025] Example 1

[0026] Reference Figures 1-4 A universal fixed-distance analog clamp includes a handle 1, a fixed arm 2 fixedly connected to the upper end of the handle 1, a second sensor housing 15 fixedly connected to the right side of the fixed arm 2, a sensor body 10 disposed inside the second sensor housing 15, the sensor body 10 fixedly connected to the fixed arm 2, a first sensor housing 12 fixedly connected to the outer wall of the sensor body 10, the first sensor housing 12 being located above the second sensor housing 15, a fixed block 11 fixedly connected to the left side of the fixed arm 2, a rotating shaft rotatably connected to the fixed block 11, a clamping arm 5 fixedly connected to the rotating shaft, and analog contacts 8 provided at the upper ends of both the clamping arm 5 and the first sensor housing 12.

[0027] A threaded sleeve 4 is fixedly connected through the fixed arm 2, and an adjusting rod 3 is connected to the threaded sleeve 4 internally. By rotating the adjusting rod 3, the clamping arm 5 is in a rotatable state, thereby adjusting the distance between the two simulated contacts 8.

[0028] The clamping arm 5 and the upper end of the first sensor housing 12 are provided with fixing holes 14. The two simulated contacts 8 are provided with through holes 13. The inner walls of the through holes 13 and fixing holes 14 are provided with threaded layers. Each pair of mating through holes 13 and fixing holes 14 are connected to screws 9 by threads. The right side of the second sensor housing 15 is fixedly connected to a first fixing bracket 6, and the right side of the first sensor housing 12 is fixedly connected to a second fixing bracket 7. The function of the first fixing bracket 6 and the second fixing bracket 7 is to fix one side of the simulated clamp, so as to avoid the inaccurate detection results caused by slight shaking of the hand during the detection.

[0029] The functional principle of this utility model can be explained through the following operation: First, measure the inner diameter of the plum blossom contact, select two suitable simulated contacts 8, and ensure that the diameter of the two simulated contacts 8 is equal to the inner diameter of the plum blossom contact. Then, use multiple screws 9 to install the simulated contacts 8 above the clamping arm 5 and the first sensor housing 12. At this time, the adjusting rod 3 can be rotated to move the adjusting rod 3 to the left or right (choose clockwise or counterclockwise rotation of the adjusting rod 3 according to the actual needs of the distance between the two simulated contacts 8). Thus, by rotating the clamping arm 5, the simulated contact 8 on the left side is moved. After adjusting the distance between the two simulated contacts 8 to a suitable distance, the high-voltage disconnect switch contact finger pressure tester can be used for detection, and the detection result can be obtained based on the electrical signal generated by the sensor body 10.

[0030] Example 2

[0031] Reference Figure 5-7 The difference between this embodiment and embodiment 1 is that a positioning pin 16 is provided in the through hole 13, and the lower end of the positioning pin 16 extends into the fixing hole 14. Pull handles 17 are fixedly connected to the rear side of the clamping arm 5 and the first sensor housing 12. Two pins 19 are fixedly connected to the front side of each pull handle 17. The front side of each pin 19 extends into the corresponding fixing hole 14. The two pull handles 17 are elastically connected to the clamping arm 5 and the first sensor housing 12 respectively by springs 18. A positioning hole 20 is provided on the rear side of each positioning pin 16. With the setting of pins 19 and positioning holes 20, the installation of the analog contact 8 can be completed more quickly.

[0032] In this embodiment, when installing the simulated contact 8, the simulated contact 8 is first placed on the clamping arm 5 or the first sensor housing 12. The lower end of the positioning pin 16 is inserted through the through hole 13 into the fixing hole 14. During the insertion process, the pull handle 17 is in an outward pulling state, so that the front side of the pin 19 is not located in the fixing hole 14. After the positioning pin 16 is placed, the pull handle 17 is released. Under the action of the spring 18, the pin 19 enters into the positioning hole 20, completing the fixing of the simulated contact 8.

[0033] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A universal fixed-distance simulation clamp, comprising a handle (1), characterized in that: A fixed arm (2) is fixedly connected to the upper end of the handle (1). A second sensor housing (15) is fixedly connected to the right side of the fixed arm (2). A sensor body (10) is provided inside the second sensor housing (15). The sensor body (10) is fixedly connected to the fixed arm (2). A first sensor housing (12) is fixedly connected to the outer wall of the sensor body (10). The first sensor housing (12) is located above the second sensor housing (15). A fixed block (11) is fixedly connected to the left side of the fixed arm (2). A rotating shaft is rotatably connected to the fixed block (11). A clamping arm (5) is fixedly connected to the rotating shaft. Simulated contacts (8) are provided at the upper ends of both the clamping arm (5) and the first sensor housing (12).

2. The universal fixed-distance simulation clamp according to claim 1, characterized in that: A threaded sleeve (4) is fixedly connected through the fixed arm (2), and an adjusting rod (3) is threadedly connected inside the threaded sleeve (4).

3. A universal fixed-distance simulation clamp according to claim 1, characterized in that: The upper ends of the clamping arm (5) and the first sensor housing (12) are provided with fixing holes (14), and the two analog contacts (8) are provided with through holes (13). The inner walls of the through holes (13) and fixing holes (14) are provided with threaded layers, and each pair of mating through holes (13) and fixing holes (14) are connected by screws (9) through threads.

4. A universal fixed-distance simulation clamp according to claim 1, characterized in that: The right side of the second sensor housing (15) is fixedly connected to a first fixing bracket (6), and the right side of the first sensor housing (12) is fixedly connected to a second fixing bracket (7).

5. A universal fixed-distance simulation clamp according to claim 3, characterized in that: The through hole (13) is provided with a positioning pin (16), and the lower end of the positioning pin (16) extends into the fixing hole (14).

6. A universal fixed-distance simulation clamp according to claim 5, characterized in that: The rear sides of the clamping arm (5) and the first sensor housing (12) are fixedly connected to a handle (17). The front sides of the two handles (17) are fixedly connected to two pins (19). The front side of each pin (19) extends into the corresponding fixing hole (14). The two handles (17) are elastically connected to the clamping arm (5) and the first sensor housing (12) respectively by a spring (18). The rear side of each positioning pin (16) is provided with a positioning hole (20).

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