CN-122017298-A - Wire pliers

CN122017298ACN 122017298 ACN122017298 ACN 122017298ACN-122017298-A

Abstract

The invention belongs to the technical field of power system detection, and particularly relates to a pair of wiring pliers. A pair of wiring pliers comprises a body, a jaw assembly, a driving mechanism and a connecting mechanism, wherein the jaw assembly comprises a first jaw, a second jaw and an insulating connecting piece, the insulating connecting piece is fixedly arranged on the upper portion of the body, the first jaw is fixedly connected with one end of the insulating connecting piece, the second jaw is rotatably connected with the other end of the insulating connecting piece, the first jaw and the second jaw are oppositely arranged, the driving mechanism is arranged on the body, the output end of the driving mechanism is in transmission connection with the second jaw, and the driving mechanism is used for driving the second jaw to rotate relative to the first jaw, so that the opening and closing angle between the second jaw and the first jaw is changed, and clamping or loosening of a tested object is achieved.

Inventors

YANG HAOCHENG
Duan Guangzheng
SHI SHENGDE
LI GUANGTAO
YANG MINGKUN
LONG YUNFENG
MAO XUEFENG
Li Dehang
Zhang anlun
YUAN DONG
JIANG QINGSONG
LIU HAOYU

Assignees

云南电网有限责任公司电力科学研究院

Dates

Publication Date: 20260512
Application Date: 20260107

Claims (10)

1. A pair of wire pliers, comprising: A body; the jaw assembly comprises a first jaw, a second jaw and an insulating connecting piece, wherein the insulating connecting piece is fixedly arranged on the upper part of the body, the first jaw is fixedly connected with one end of the insulating connecting piece, the second jaw is rotatably connected with the other end of the insulating connecting piece, the first jaw and the second jaw are oppositely arranged, and The driving mechanism is arranged on the body, the output end of the driving mechanism is in transmission connection with the second jaw and is used for driving the second jaw to rotate relative to the first jaw, so that the opening and closing angle between the second jaw and the first jaw is changed, and the object to be measured is clamped or loosened.
2. The pair of wire pliers according to claim 1, wherein the driving mechanism comprises a through stepping motor and a thread rolling connecting rod, the through stepping motor is fixedly arranged on the side wall of the body, and the thread rolling connecting rod penetrates through the center of a rotor of the through stepping motor.
3. A pair of wire pliers according to claim 2 wherein one end of the wire rolling connecting rod extends to the back of the second jaw and is abutted or hinged with the second jaw, and the through stepping motor drives the wire rolling connecting rod to do linear motion along the axial direction so as to push or pull the second jaw to rotate around the connecting point of the wire rolling connecting rod and the insulating connecting piece.
4. The pair of wiring pliers according to claim 1, wherein the second jaw is of a split type buffer structure and comprises a supporting plate, an elastic element and an arc-shaped contact piece, the upper end of the supporting plate is rotatably connected with the insulating connecting piece, the back of the supporting plate is matched with the output end of the driving mechanism, the arc-shaped contact piece is located on one side, facing the first jaw, of the supporting plate, and the elastic element is clamped between the arc-shaped contact piece and the supporting plate.
5. The pair of terminal pliers according to claim 4, wherein the middle part of the arc-shaped contact piece protrudes towards the direction approaching the first jaw, the two ends of the arc-shaped contact piece shrink towards the direction approaching the supporting plate to form an arch-shaped structure, and the elastic element is a compression spring and is distributed in a gap between the arch-shaped structure and the supporting plate.
6. The wire clamp of claim 1, further comprising a wire clamp comprising a first wire clamp and a second wire clamp, wherein the first wire clamp is electrically connected to the first jaw, wherein the second wire clamp is electrically connected to the second jaw, and wherein the first wire clamp and the second wire clamp are isolated from each other.
7. A pair of wire pliers according to claim 1, wherein a side surface of the first jaw facing the second jaw and a side surface of the second jaw facing the first jaw are each provided with anti-slip contact teeth.
8. The wire connecting pliers according to claim 1, wherein the bottom of the body is connected with an angle adjusting mechanism, the angle adjusting mechanism comprises a universal shaft and a locking knob, the upper end of the universal shaft is connected with the body, the lower end of the universal shaft is provided with a threaded interface for connecting an insulating operation rod, and the locking knob is arranged at a joint of the universal shaft.
9. The pair of wire pliers according to claim 1, wherein the body is further provided with a wireless control module, and the wireless control module is electrically connected with the driving mechanism.
10. The pair of wire pliers according to claim 1, wherein the insulating connecting piece is made of polytetrafluoroethylene material, and is in a strip shape and vertically fixed to the top end of the body, so that the body, the insulating connecting piece and the first jaw form an inverted-L-shaped frame structure together.

Description

Wire pliers Technical Field The invention belongs to the technical field of power system detection, and particularly relates to a pair of wiring pliers. Background The electrical test and detection of the power system power transformation equipment are key links for guaranteeing the safe and stable operation of the power grid. In performing preventive tests, cross-connect tests or fault diagnostics, test personnel are required to connect test leads to an overhead electrical equipment primary drain wire, patch panel or busbar. In order to avoid the risk of high altitude falling caused by frequent climbing of a framework by test personnel, the operation efficiency is improved, and the insulating high altitude wiring clamp is widely applied to field operation. Such tools typically consist of a bottom insulating lever and a top metal clamp head, which is hung by an operator on the ground to overhead equipment via the lever to effect connection of the test lines. However, the existing high-altitude wire pliers still have a plurality of structural and functional defects in practical application. First, in terms of the clamping mechanism, conventional wire pliers mostly adopt a "passive clamping" mode (e.g., using spring force or hook gravity) or a "manual mechanical transmission" mode (e.g., by pulling rope, rotating an insulating rod driving gear or screw, such as patent CN103728474A, CN212646749U, etc.). The manual mechanical transmission mode has complex operation, low torque transmission efficiency, and mechanical parts are easy to wear and clamp, so that the clamping is not firm or the disassembly is difficult. Secondly, in the aspect of angle adaptability, the angle of the existing clamp head is usually fixed or the adjusting range is extremely limited, and when the clamp head meets flat iron, a narrow position or a drainage wire with a special angle which is perpendicular to the ground, an operator is difficult to find a proper force application angle, so that the clamp head cannot be effectively connected with the clamp head in a hanging mode or the contact area is too small, and the accuracy of test data is affected. More importantly, in terms of electrical functions, the jaws of most of the existing wire pliers are of an integral conductive structure, and only one test wire can be led out. This structure cannot meet the requirements of special test items such as loop resistance test (four-terminal method is needed, i.e. voltage line and current line are needed to be physically isolated at the contact point). To perform such tests, two clamps are typically required to be hooked up, which not only doubles the overhead workload and risk, but also is often difficult to implement on space-constrained equipment. Therefore, there is a need to develop a novel high-altitude wiring device to solve the problems of uncontrollable clamping force and unstable connection caused by manpower or elastic elements in the prior art, and meanwhile, the problem that the conventional device cannot adapt to complex angle working conditions and cannot meet the multifunctional test requirements of independently leading out voltage and current loops due to single structure is needed to be solved, so that the high-altitude wiring device can be connected strongly and reliably to high-altitude electrical equipment and meets various electrical test specifications quickly on the premise of ensuring the safety of high-altitude operation. Disclosure of Invention The invention aims to solve the defects and provides a pair of wiring pliers. A wire clamp comprising: A body; the jaw assembly comprises a first jaw, a second jaw and an insulating connecting piece, wherein the insulating connecting piece is fixedly arranged on the upper part of the body, the first jaw is fixedly connected with one end of the insulating connecting piece, the second jaw is rotatably connected with the other end of the insulating connecting piece, the first jaw and the second jaw are oppositely arranged, and The driving mechanism is arranged on the body, the output end of the driving mechanism is in transmission connection with the second jaw and is used for driving the second jaw to rotate relative to the first jaw, so that the opening and closing angle between the second jaw and the first jaw is changed, and the object to be measured is clamped or loosened. Further, the driving mechanism comprises a through type stepping motor and a thread rolling connecting rod, wherein the through type stepping motor is fixedly arranged on the side wall of the body, and the thread rolling connecting rod penetrates through the center of a rotor of the through type stepping motor. And the through stepping motor drives the thread rolling connecting rod to do linear motion along the axial direction, so as to push or pull the second jaw to rotate around the connection point of the second jaw and the insulating connecting piece. Further, the second jaw is of a split type buffer stru