CN-121642795-B - Mechanical device suitable for 10KV live working scene

CN121642795BCN 121642795 BCN121642795 BCN 121642795BCN-121642795-B

Abstract

The application discloses a mechanical device suitable for a 10KV live working scene, which comprises a base, an insulating transmission component and a grabbing component, wherein the base provides an installation reference, a driving unit is arranged in the base, one end of the insulating transmission component is connected with the base, the other end of the insulating transmission component is connected with the grabbing component, the insulating transmission component is connected with the output end of the driving unit, the driving unit is used for driving the insulating transmission component to displace, and the grabbing component further performs opening and closing actions through displacement movement of the insulating transmission component, so that clamping or releasing of a target object is executed. The opening and closing mechanism of the grabbing component adopts a lever type mechanical contact transmission principle, only mechanical connection exists between the insulating transmission component and the grabbing component, the grabbing action of the grabbing component is realized through the movement of the insulating transmission component, the insulating transmission component exists, the grabbing component cannot transmit electrified high voltage to the base in the process of grabbing an article, and no metal component is exposed in the working environment in the whole process.

Inventors

LIU XINGBO
LONG LING
JIA BOTAO
ZHANG SHEN
ZHANG BIN
LI JIABIN
CHEN CHANGWEN

Assignees

湖北华中电力科技开发有限责任公司

Dates

Publication Date: 20260508
Application Date: 20260205

Claims (7)

1. A mechanical device suitable for a 10KV live working scenario, comprising: the base is provided with an installation reference, and a driving unit is arranged in the base; The device comprises an insulating transmission component and a grabbing component, wherein one end of the insulating transmission component is connected with the base, the other end of the insulating transmission component is connected with the grabbing component, the insulating transmission component is connected with the output end of a driving unit, the driving unit is used for driving the insulating transmission component to displace, and the grabbing component further moves through the displacement of the insulating transmission component to realize opening and closing actions, so that clamping or releasing of a target object is executed; the insulating transmission assembly includes: the guide pipeline and the insulation rope are connected with the output end of the driving unit at one end and the grabbing component at the other end, the guide pipeline is provided with a path structure which is compositely extended along the height direction and the horizontal direction, one end of the guide pipeline is connected with the base, and the other end of the guide pipeline guides the grabbing component; the grabbing assembly comprises: one end of the connecting rod is fixedly connected with the insulating rope; the support part is connected with the end part of the guide pipeline, which is far away from the base; The hook claw body is connected with the supporting part through a revolute pair, and is fixedly connected with the other end of the connecting rod; the insulation transmission assembly further comprises a pulley block, wherein the pulley block is arranged at one end, close to the connecting rod, of the guide pipeline; The insulation rope is arranged in a closed loop, one end of the insulation rope surrounds the pulley block and is fixedly connected with the end part of the connecting rod, and the insulation rope is driven to move around the pulley block by pulling the insulation rope so as to drive the connecting rod to realize telescopic movement; the output end of the driving unit is provided with a power output wheel, the insulating rope is arranged around the power output wheel, and the leading-out part of the insulating rope enters the guide pipeline; The driving unit is characterized in that a swing pair is further arranged at the output end of the driving unit and connected with the power output wheel, the swing pair is designed by adopting a combination of an arc-shaped sliding rail and a limiting sliding block, one end of a rotating shaft of the power output wheel extends to form the limiting sliding block, the limiting sliding block is embedded into the arc-shaped sliding rail, when the driving unit drives the power output wheel to rotate, the sliding block slides along the arc-shaped sliding rail, the maximum displacement of the sliding block is blocked by physics, so that the swing angle of the power output wheel is strictly limited in a preset range, the swing angle of the power output wheel is positively correlated with the linear displacement stroke of the insulating rope, and the swing pair indirectly constrains the opening and closing amplitude of the hook claw body by limiting the swing angle of the power output wheel.
2. A mechanical device suitable for use in a 10KV live working scenario as claimed in claim 1, And a medium channel is arranged in the guide pipeline, and the insulating rope is arranged in the medium channel so as to transmit linear power to the grabbing component through the insulating rope.
3. A mechanical device suitable for use in a 10KV live working scenario as claimed in claim 1, And a limiting part is arranged on the path of the insulating rope entering the guide pipeline and used for converging the leading-out part of the insulating rope after encircling the power output wheel.
4. A mechanical device suitable for use in a 10KV live working scenario as claimed in claim 1, At least one guide bearing is arranged in the guide pipeline and is in rolling contact with the insulating rope, and the movement direction of the insulating rope is guided by the guide bearing in rolling contact.
5. A mechanical device suitable for use in a 10KV live working scenario as claimed in claim 4, The guide bearing is arranged at the bending position of the path of the guide pipeline.
6. A mechanical device suitable for use in a 10KV live working scenario as claimed in claim 5, The guide bearing comprises an embedded part and an external part, wherein the embedded part and the external part are integrally formed, the embedded part stretches into the guide pipeline and is in rolling contact with the insulating rope, and the external part is exposed out of the guide pipeline.
7. A mechanical device suitable for use in a 10KV live working scenario as claimed in any one of claims 1 to 6, The base is integrated with a multi-degree-of-freedom adjusting mechanism, and the multi-degree-of-freedom adjusting mechanism comprises at least one first rotary adjusting piece for adjusting the vertical azimuth angle and at least one second rotary adjusting piece for adjusting the horizontal azimuth angle, so that the grabbing component is positioned at each angle in the space azimuth.

Description

Mechanical device suitable for 10KV live working scene Technical Field The application relates to the technical field of power maintenance equipment, in particular to a mechanical device suitable for a 10KV live working scene. Background At present, in the high-altitude live working scene of a power system, foreign matters such as plastic films, bird nesting materials, metal scraps and the like are often attached to the surface of a high-voltage cable due to natural environment or human factors, and the foreign matters can cause safety accidents such as line short circuit and discharge and seriously threaten the running stability of a power grid. The traditional high-altitude mechanical device mainly adopts two technical paths, namely, one is manual climbing cleaning, and the other is automatic equipment carrying an electric or hydraulic driving mechanism. However, both of these types of techniques suffer from significant drawbacks: For the manual cleaning mode, an operator needs to directly contact the high-voltage line, even if the insulating equipment is worn, risks such as high-altitude falling and arc burning are still faced, the efficiency is low, the labor intensity is high, and the maintenance requirements of a large range and high frequency are difficult to adapt. While the automation equipment can reduce the manual risk, the core defect of the automation equipment is that insulation protection is insufficient, electric connection is easy to cause conductive risk, the existing automation equipment generally adopts a motor-driven grabbing component, and electric power or control signals are required to be transmitted to an aerial working end through a wire. The insulation layer of the lead is easy to be damaged due to abrasion and aging in long-term use, and high-voltage current can be conducted to the main body of the equipment or operators along the lead, so that electric shock accidents are caused. Disclosure of Invention The application aims to provide a mechanical device suitable for a 10KV live working scene, so as to cut off a conductive path and improve the safety and reliability of live working in a high-altitude circuit scene. In order to achieve the aim, the mechanical device suitable for the 10KV live working scene comprises a base, an insulating transmission component and a grabbing component, wherein the base is provided with an installation reference, a driving unit is arranged in the base, one end of the insulating transmission component is connected with the base, the other end of the insulating transmission component is connected with the grabbing component, the insulating transmission component is connected with the output end of the driving unit, the driving unit is used for driving the insulating transmission component to move, and the grabbing component further moves through the displacement of the insulating transmission component to realize opening and closing actions, so that clamping or releasing of a target object is executed. Preferably, the insulation transmission assembly comprises a guide pipeline and an insulation rope, one end of the insulation rope is connected with the output end of the driving unit, the other end of the insulation rope is connected with the grabbing assembly, the guide pipeline is provided with a path structure which extends along the height direction and the horizontal direction in a compounding mode, one end of the guide pipeline is connected with the base, the other end of the guide pipeline guides the grabbing assembly, a medium channel is arranged in the guide pipeline, and the insulation rope is arranged in the medium channel so as to transmit linear power to the grabbing assembly through the insulation rope. The grabbing component comprises a connecting rod, a supporting part, a claw body and a claw body, wherein one end of the connecting rod is fixedly connected with the insulating rope, the supporting part is connected with the end part, away from the base, of the guide pipeline, the claw body is connected with the supporting part through a revolute pair, and is fixedly connected with the other end of the connecting rod, the driving unit drives the insulating rope to realize linear displacement, and then drives the connecting rod to move relative to the supporting part, so that the claw body is forced to rotate around the revolute pair, and clamping or releasing actions are realized. Further preferably, the insulation transmission assembly further comprises a pulley block, wherein the pulley block is arranged at one end, close to the connecting rod, of the guide pipeline, the insulation rope is arranged in a closed loop, one end of the insulation rope surrounds the pulley block and is fixedly connected with the end part of the connecting rod, and the insulation rope is pulled to drive the insulation rope to move around the pulley block, so that the connecting rod is driven to realize telescopic movement. Further preferably, the output end