Adjustable high-voltage test electrode fast clamping device

By designing an adjustable high-voltage test electrode quick clamping device, which uses the compression and fixation of rubber sleeves and conduction rollers, the problem of inaccurate test results and safety hazards caused by unreasonable voltage is solved, and the electrode is firmly clamped and the operation is safe.

CN224581571UActive Publication Date: 2026-07-31CHINA DATANG CORP SCI & TECH RES INST CO LTD EAST CHINA BRANCH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHINA DATANG CORP SCI & TECH RES INST CO LTD EAST CHINA BRANCH
Filing Date
2025-06-26
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

In existing high-voltage electrical tests, improper voltage settings can affect the accuracy of test results, potentially leading to oxide layer melting or failure to break down the oxide film, increasing resistance and posing safety hazards.

Method used

An adjustable high-voltage test electrode quick clamping device was designed, including components such as a sleeve, rubber sleeve, clamping mechanism, conduction roller, torsion spring, connector and diagonal bar. The electrode is firmly clamped by the rubber sleeve tightly wrapping the cable head, the compression and fixation of the conduction roller and the air pressure adjustment, so as to prevent current leakage and the entry of external impurities.

Benefits of technology

It effectively prevents current leakage and the entry of external impurities, ensures operational safety, prevents short circuits and leakage accidents, and guarantees the accuracy of testing and the normal operation of equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the technical field of rapid clamping for high-voltage testing, and more particularly to an adjustable rapid clamping device for high-voltage testing electrodes. It includes a sleeve, a rubber sleeve, and a clamping mechanism. The sleeve is convex, with the rubber sleeve connected to its bottom. The clamping mechanism inside the sleeve secures the electrode. This utility model forms a reliable insulating and protective layer by tightly and evenly wrapping the rubber sleeve around the prepared cable end. During high-voltage testing, it effectively prevents current leakage into the surrounding environment, avoiding electric shock accidents for operators and ensuring their personal safety. Simultaneously, it prevents external impurities and moisture from entering the test area, reducing safety hazards such as short circuits and leakage caused by external factors.
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Description

Technical Field

[0001] This utility model relates to the technical field of rapid clamping for high-voltage testing, and more particularly to an adjustable rapid clamping device for high-voltage testing electrodes. Background Technology

[0002] An electrode is a component in an electronic or electrical device or equipment, used as the two ends for inputting or outputting current into a conductive medium (solid, gas, vacuum, or electrolyte solution). The electrode that inputs current is called the anode or positive electrode, and the electrode that outputs current is called the cathode or negative electrode. There are various types of electrodes, such as cathodes, anodes, welding electrodes, and electric furnace electrodes.

[0003] The accuracy of high-voltage electrical test results is easily affected by the voltage of the electrical equipment, i.e., the voltage dielectric loss problem. If the voltage setting is unreasonable, such as too high or too low, the accuracy of the test results will be affected. Too high a voltage may cause the oxide layer to melt, reducing contact resistance; too low a voltage may prevent the oxide film from breaking down, increasing resistance.

[0004] Therefore, an adjustable high-voltage test electrode quick clamping device is currently being developed. Summary of the Invention

[0005] To overcome the shortcomings of existing voltage settings, such as excessively high or low voltage affecting the accuracy of test results, this utility model provides an adjustable high-voltage test electrode quick-clamping device, comprising: The sleeve, rubber sleeve, and clamping mechanism are provided. The sleeve is convex, and the bottom of the sleeve is connected to the rubber sleeve by a rubber band. The sleeve is equipped with a clamping mechanism that can fix the electrode.

[0006] As a preferred technical solution of this utility model, the clamping mechanism includes an n-shaped rod, a transmission roller, a torsion spring, a connecting member, and an inclined rod. There are four n-shaped rods. The lower part of the inner wall of the sleeve is provided with an n-shaped rod. Each n-shaped rod is rotatably provided with a transmission roller. Both sides of the transmission roller are connected to the n-shaped rod with a torsion spring. Each transmission roller is slidably provided with a connecting member on its upper part. Each connecting member is rotatably provided with an inclined rod. The inclined rod is slidably connected to the sleeve.

[0007] As a preferred technical solution of this utility model, it also includes a connecting cylinder and a sliding frame. The sleeve has a threaded groove, the upper part of the sleeve is threadedly connected to the connecting cylinder, and the sliding frame is rotatably connected to the connecting cylinder. The sliding frame is slidably connected to the inclined rod.

[0008] As a preferred technical solution of this utility model, it also includes piston cylinders and piston rods. There are four piston cylinders. The lower part of the sleeve is provided with piston cylinders by screws. The piston cylinders are connected to the rubber sleeves through air pipes. The piston rods are slidably provided in each piston cylinder.

[0009] As a preferred technical solution of this utility model, it also includes an insulating frame and a protective cylinder. The insulating frame is provided on the top of the sleeve by screws, and the protective cylinder is provided at the center of the top of the insulating frame.

[0010] As a preferred technical solution of this utility model, it also includes a protective sleeve. The protective sleeve is embedded in the top of the connecting cylinder. The protective sleeve has a conductive function, and the conductive roller is electrically connected to the protective sleeve.

[0011] Beneficial effects: This invention forms a reliable insulating and protective layer by tightly and evenly wrapping a rubber sleeve around the prepared cable end. During high-voltage testing, it effectively prevents current leakage into the surrounding environment, avoiding electric shock accidents for operators and ensuring their personal safety. Simultaneously, it also prevents external impurities and moisture from entering the test area, reducing safety hazards such as short circuits and leakage caused by external factors.

[0012] This invention effectively prevents short circuits, leakage, and other safety accidents that may be caused by displacement of electrodes and cable heads during high-voltage testing and other operations by using a conductive roller to fix and secure the cable head, thus ensuring the personal safety of operators and the normal operation of equipment. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0014] Figure 2 This is a partial three-dimensional structural diagram of the present invention.

[0015] Figure 3 This is a three-dimensional structural diagram of the clamping mechanism of this utility model.

[0016] Figure 4 This is a three-dimensional structural diagram of the connecting cylinder and sliding frame of this utility model.

[0017] Figure 5 This is a three-dimensional structural diagram of the cylinder and piston rod of this utility model.

[0018] Figure 6 This is a three-dimensional structural diagram of the insulating frame and protective cylinder of this utility model.

[0019] Wherein: 1-sleeve, 2-rubber sleeve, 3-n-type rod, 4-conduction roller, 5-torsion spring, 6-connector, 7-slant rod, 8-connecting cylinder, 9-sliding frame, 10-piston cylinder, 11-piston rod, 12-insulating frame, 13-protective cylinder, 14-protective sleeve. Detailed Implementation

[0020] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the present invention.

[0021] Example 1: An adjustable high-voltage test electrode quick clamping device, such as... Figure 1-4 As shown, it includes a sleeve 1, a rubber sleeve 2 and a clamping mechanism. The sleeve 1 is convex, and the bottom of the sleeve 1 is connected to the rubber sleeve 2 by a rubber band. The sleeve 1 is provided with a clamping mechanism that can fix the electrode.

[0022] When a high-voltage test is required on the electrode, the operator strictly follows the established procedure. First, the sleeve 1 is placed smoothly and accurately on the electrode of the cable head. At the same time, the rubber sleeve 2 is tightly and evenly wrapped around the prepared cable head to achieve effective isolation and protection. Meanwhile, the clamping mechanism performs a precise and stable clamping operation on the electrode according to the preset parameters and operating specifications to ensure that the electrode is in a stable position in subsequent processes.

[0023] like Figure 1 and 3 As shown, the clamping mechanism includes an n-shaped rod 3, a transmission roller 4, a torsion spring 5, a connecting piece 6, and a diagonal rod 7. There are four n-shaped rods 3. The lower part of the inner wall of the sleeve 1 is provided with the n-shaped rod 3. The transmission roller 4 is rotatably provided on each n-shaped rod 3. The torsion spring 5 is connected to both sides of the transmission roller 4 and the n-shaped rod 3. The connecting piece 6 is slidably provided on the upper part of the transmission roller 4. The diagonal rod 7 is rotatably provided on each connecting piece 6. The diagonal rod 7 is slidably connected to the sleeve 1.

[0024] During the operation of sleeve 1 being fitted onto the cable head, the inner surface of the conduction roller 4 comes into contact with the electrode. At this time, each of the conduction rollers 4 exhibits a movement from bottom to top and inwards, which clamps and fixes the electrode. This causes the conduction roller 4 to exert a squeezing effect on the prepared cable head. Under this squeezing effect, the conduction roller 4 swings and rotates around the n-shaped rod 3, causing the torsion spring 5 to be compressed. The compression of the torsion spring 5 further pulls the connector 6 to slide inwards, and the inward sliding of the connector 6 drives the inclined rod 7 to move inwards, ultimately clamping and fixing the prepared cable head. After the high-voltage test, the operator pulls the inclined rod 7 outwards, causing the connector 6 to continue sliding outwards. As the connector 6 slides outwards, the conduction roller 4 swings outwards, thereby releasing the electrode on the cable head. When the cable head is completely separated from the rubber sleeve 2, the operator releases the inclined rod 7. At this time, under the action of the elastic restoring force of the torsion spring 5, the inclined rod 7 and its related components move in the opposite direction and reset.

[0025] like Figure 1 and 4As shown, it also includes a connecting cylinder 8 and a sliding frame 9. The sleeve 1 has a threaded groove, and the upper part of the sleeve 1 is threadedly connected to the connecting cylinder 8. The sliding frame 9 is rotatably connected to the connecting cylinder 8, and the sliding frame 9 is slidably connected to the inclined rod 7.

[0026] When the prepared cable head needs to be inserted into the sleeve 1, the operator rotates the connecting cylinder 8, causing it to move upwards. This upward movement of the connecting cylinder 8 causes the connected sliding frame 9 to move upwards simultaneously. The upward movement of the sliding frame 9 then pulls the diagonal rod 7 outwards, creating space for the prepared cable head to be inserted into the sleeve 1. After inserting the cable head into the sleeve 1, the operator rotates the connecting cylinder 8 in the opposite direction. At this time, the connecting cylinder 8 and all components connected to it move in the opposite direction to restore the equipment to its initial state or prepare for the next operation.

[0027] like Figure 1 and 5 As shown, it also includes piston cylinders 10 and piston rods 11. There are four cylinders 10. The piston cylinders 10 are provided at the lower part of the sleeve 1 by screws. The piston cylinders 10 are connected to the rubber sleeve 2 through air pipes. The piston rods 11 are slidably provided inside each piston cylinder 10.

[0028] When the sliding frame 9 moves downward, it drives the piston rod 11 to move downward synchronously via mechanical transmission. The downward movement of the piston rod 11 applies pressure to the air inside the piston cylinder 10, causing the air to be pushed into the rubber sleeve 2 in an orderly manner through the connecting pipe. As air is continuously injected, the rubber sleeve 2 deforms and bulges due to the increased internal air pressure, ultimately achieving a tight wrapping of the finished cable head, providing stable fixation and protection for subsequent operations. Thus, when the sliding frame 9 moves upward, the piston rod 11 draws air upward into the piston cylinder 10, causing the rubber sleeve 2 to relax due to the decreased internal air pressure, loosening the cable head.

[0029] like Figure 1 and 6 As shown, it also includes an insulating frame 12 and a protective cylinder 13. The insulating frame 12 is provided on the top of the sleeve 1 by screws, and the protective cylinder 13 is provided at the center of the top of the insulating frame 12.

[0030] When testing the prepared cable head, the operator holds the insulating frame 12. The insulating frame 12 has multiple raised structures on its surface, designed according to ergonomic principles for a secure grip, ensuring that the sleeve 1 can be accurately fitted onto the cable head to be tested during operation. Furthermore, the insulating frame 12 is equipped with a protective sleeve 13, whose main function is to connect external wires. Through its excellent insulation performance and sealing design, it effectively blocks current leakage paths, prevents leakage, and ensures the safety of the testing operation.

[0031] like Figure 1 As shown, it also includes a protective sleeve 14. The protective sleeve 14 is embedded in the top of the connecting cylinder 8. The protective sleeve 14 has a conductive function. The conductive roller 4 is electrically connected to the protective sleeve 14.

[0032] When the cylinder 10 needs to be rotated, the operator can rotate the protective sleeve 14. The surface of the protective sleeve 14 is carefully designed with multiple grooves. These grooves strictly adhere to ergonomic principles, ensuring that the operator can apply force stably during rotation, thus smoothly achieving the rotation of the protective sleeve 14. Furthermore, the protective sleeve 14 has an electrical connection function, allowing the transmission rollers 4 to be interconnected, ensuring stable transmission and coordinated operation of electrical signals within the equipment.

Claims

1. An adjustable high-voltage test electrode quick-clamping device, comprising: Sleeve (1), sleeve (1) is convex; Rubber sleeve (2), the bottom of sleeve (1) is connected to rubber sleeve (2) by rubber band; characterized in that It also includes a clamping mechanism, and the sleeve (1) is provided with a clamping mechanism that can fix the electrode; The clamping mechanism includes: n-type rod (3), with multiple n-type rods (3) fixed to the lower part of the inner wall. The guide roller (4) and the n-shaped rod (3) are both rotatably equipped with guide rollers (4), and the guide rollers (4) cooperate with each other; Torsion spring (5) is connected between the transmission roller (4) and the n-shaped rod (3). Connector (6) is slidably provided on the upper part of the guide roller (4); Both the diagonal rod (7) and the connector (6) are rotatably provided with diagonal rods (7), and the diagonal rods (7) are slidably connected to the sleeve (1).

2. A quick clamp device for a high voltage test electrode of adjustable type according to claim 1, characterized in that: It also includes: The connecting sleeve (8) has a threaded groove on the sleeve (1), and the upper part of the sleeve (1) is threadedly connected to the connecting sleeve (8). The sliding frame (9) is rotatably connected to the connecting cylinder (8), and the sliding frame (9) is slidably connected to the inclined rod (7).

3. A quick clamp device for a high voltage test electrode of adjustable type according to claim 2, characterized in that: It also includes: Piston cylinder, there are four piston cylinders (10), the lower part of the sleeve (1) is fixed with piston cylinder (10) by screws, and the piston cylinder and the rubber sleeve (2) are connected by air pipe; The piston rod (11) is slidably provided inside both the piston rod (11) and the piston cylinder (10).

4. A quick clamp device for a high voltage test electrode of adjustable type according to claim 3, characterized in that: It also includes: Insulating frame (12), the top of sleeve (1) is fixed with insulating frame (12) by screws; The protective cylinder (13) is welded to the center of the top of the insulating frame (12).

5. A quick clamp device for a high voltage test electrode of adjustable type according to claim 4, characterized in that: It also includes: The protective sleeve (14) is embedded and fixed at the top of the connecting cylinder (8). The protective sleeve (14) has a conductive function, and the conductive roller (4) is electrically connected to the protective sleeve (14).