CN-121983881-A - Overhead transmission line obstacle clearing device

CN121983881ACN 121983881 ACN121983881 ACN 121983881ACN-121983881-A

Abstract

The invention discloses an overhead transmission line obstacle clearance device, which relates to the technical field of maintenance equipment of transmission lines, and aims at the technical problems of high difficulty in hanging an obstacle clearance device, low safety and unreliable obstacle clearance operation in the prior art; the top of the supporting structure is connected with a walking structure through an elastic structure, the walking structure is abutted against a pressing structure arranged on the central shaft, the lower part of the supporting structure is rotatably connected with a clamping structure through a first spiral structure, the clamping structure is connected with the central shaft, when the clamping structure is positioned at the bottom end of the first spiral structure, the clamping structure and the walking structure are in a parallel state, the walking structure overcomes the elastic force of the elastic structure and moves downwards, and a clamping space for clamping a power transmission line is formed between the clamping structure and the walking structure. The invention can reduce the hanging difficulty of the obstacle clearance device, improve the hanging safety of the obstacle clearance device and ensure the reliability of the obstacle clearance operation.

Inventors

YU HAO
JIN YIKUI
FAN YUNFEI
ZHANG JUN
GAN SHENGLIN

Assignees

青海送变电工程有限公司
国网青海省电力公司

Dates

Publication Date: 20260505
Application Date: 20260120

Claims (10)

1. The obstacle clearing device for the overhead transmission line comprises a moving mechanism which walks along the transmission line and an obstacle clearing mechanism which is arranged on the moving mechanism, and is characterized in that the moving mechanism comprises a supporting structure, a central shaft penetrates through the middle part of the supporting structure, and a hanging structure is arranged at the top end of the central shaft; The top of the supporting structure is connected with a walking structure through an elastic structure, and the walking structure is abutted with a pressing structure arranged on the central shaft; The lower part of the supporting structure is rotationally connected with a clamping structure through a first spiral structure, and the clamping structure is connected with a central shaft; when the clamping structure is positioned at the top end of the first spiral structure, the clamping structure and the walking structure are in a vertical state; When the clamping structure is positioned at the bottom end of the first spiral structure, the clamping structure and the walking structure are in a parallel state, the walking structure overcomes the elastic force of the elastic structure and moves downwards, and a clamping space for clamping the power transmission line is formed between the clamping structure and the walking structure.
2. The overhead transmission line obstacle clearing device according to claim 1, wherein an intermediate cylinder is sleeved outside the central shaft, and the clamping structure is fixedly connected with the intermediate cylinder; an expanding structure is arranged below the clamping structure, the clamping structure is connected with the expanding structure through a flexible shielding structure, the expanding structure is rotationally connected with the lower part of the supporting structure through a second spiral structure, and the expanding structure is fixedly connected with the central shaft; When the included angle between the expanding structure and the clamping structure is 0 DEG, the flexible shielding structure is in an undeployed state; When the included angle between the expanding structure and the clamping structure is 180 degrees, the flexible shielding structure is in an unfolding state.
3. An overhead transmission line obstacle clearing device as claimed in claim 2, wherein the top end position of the first helical structure and the top end position of the second helical structure are the same in the circumferential direction, the helical direction of the first helical structure is arranged in parallel with the helical direction of the second helical structure, the helical angle of the first helical structure is 90 °, and the helical angle of the second helical structure is 270 °.
4. The overhead transmission line obstacle clearing device according to claim 3, wherein the central shaft is provided with a limiting structure, and the limiting structure abuts against the top of the middle barrel when the expanding structure rotates 180 degrees downwards in a spiral manner relative to the supporting structure.
5. An overhead transmission line obstacle clearing device as claimed in claim 3 wherein the support structure comprises a support frame and a fixed barrel arranged in the middle of the support frame; The clamping structure comprises a clamping frame and a first sleeve arranged in the middle of the clamping frame; The first spiral structure comprises a first spiral hole arranged on the periphery of the fixed cylinder and a first sliding pin arranged in the first sleeve, the first sliding pin penetrates through the first spiral hole to be fixedly connected with the middle cylinder, and the middle cylinder is arranged in the fixed cylinder; the expansion structure comprises an expansion frame and a second sleeve arranged in the middle of the expansion frame, and the expansion frame is connected with the clamping frame through the flexible shielding structure; the second spiral structure comprises a second spiral hole arranged on the periphery of the fixed cylinder and a second sliding pin arranged in the second sleeve, and the second sliding pin penetrates through the second spiral hole and is fixedly connected with the central shaft.
6. The overhead transmission line obstacle clearing device according to claim 5, wherein the first sleeve comprises two symmetrically arranged first semi-rings, the clamping frame comprises two symmetrically arranged clamping rods, each first semi-ring is connected with one clamping rod, the inner wall of one first semi-ring is provided with the first sliding pin, the side wall of the middle barrel is provided with a first positioning groove, and the first sliding pin is spliced with the first positioning groove; The second sleeve comprises two second semi-rings which are symmetrically arranged, the expansion frame comprises two expansion rods which are symmetrically arranged, each second semi-ring is connected with one expansion rod, the inner wall of one second semi-ring is provided with a second sliding pin, and the side wall of the central shaft is provided with a second positioning groove, and the second sliding pin is spliced with the second positioning groove.
7. The overhead transmission line obstacle clearing device according to claim 6, wherein the clamping rod is provided with a first jack and a first fastening hole which are communicated, the expansion rod is provided with a second jack and a second fastening hole which are communicated, the upper end of the flexible shielding structure is spliced with the first jack, the lower end of the flexible shielding structure is spliced with the second jack, a first fastening piece is arranged in the first fastening hole and is abutted with the flexible shielding structure inserted into the first jack, and a second fastening piece is arranged in the second fastening hole and is abutted with the flexible shielding structure inserted into the second jack.
8. The overhead transmission line obstacle clearing device according to claim 5, wherein the walking structure comprises a walking frame and an electric roller arranged on the walking frame, the middle part of the walking frame is sleeved on the outer side of the central shaft, the top surface of the walking frame is abutted to the pressing structure, the walking frame is vertically and slidably matched with a guide rod arranged on the support frame, and the elastic structure adopts a compression spring sleeved on the guide rod.
9. An overhead transmission line obstacle clearing device as claimed in any one of claims 2 to 8 wherein the gripping structure or the expanding structure is connected to the obstacle clearing mechanism.
10. The overhead transmission line clearance device of claim 9, wherein the clearance mechanism comprises a mounting frame, a linear module, a rotary module and a cutter, the linear module is arranged on the mounting frame and used for driving the cutter to move along a straight line, the rotary module is arranged on the linear module and used for driving the cutter to rotate in a horizontal plane.

Description

Overhead transmission line obstacle clearing device Technical Field The invention relates to the technical field of maintenance equipment of transmission lines, in particular to an overhead transmission line obstacle clearing device. Background Overhead transmission lines are backbone networks of power systems, and safe and stable operation is of paramount importance. The branches of the tree bamboo in the partial area are continuously approaching to the power transmission line along with the growth of the tree bamboo, and if the tree bamboo is not processed in time, faults such as line short circuit, tripping and the like are extremely easy to cause. In order to maintain the operation safety of the transmission line, the tree obstacle cleaning operation needs to be carried out regularly. At present, two main methods for removing the tree obstacle are manual equipotential operation, namely, the method has extremely high risk, high skill and requirement on operators, low efficiency and large limitation on weather and topography, and the obstacle removing device is adopted to remove the obstacle and needs workers to climb high to manually hang the obstacle removing device on a power transmission line or hang the obstacle removing device on the power transmission line by using an unmanned plane. Although unmanned aerial vehicle hangs than workman manual suspension, can ensure workman's safety more. However, when the obstacle clearing device is hung on a power transmission line by using the unmanned aerial vehicle, the obstacle clearing device is easy to fall down due to factors such as difficulty in aligning the power transmission line at the hanging position of the obstacle clearing device, and the obstacle clearing operation is delayed. Therefore, how to reduce the hanging difficulty of the obstacle clearing device, improve the hanging safety of the obstacle clearing device, and ensure the reliability of the obstacle clearing operation is a technical problem to be solved at present. Disclosure of Invention The invention aims at the defects in the prior art and provides the overhead transmission line obstacle clearing device, which can reduce the hanging difficulty of the obstacle clearing device, improve the hanging safety of the obstacle clearing device and ensure the reliability of obstacle clearing operation. In order to achieve the above purpose, the present invention provides the following technical solutions: The obstacle clearing device for the overhead transmission line comprises a moving mechanism which walks along the transmission line and an obstacle clearing mechanism which is arranged on the moving mechanism, wherein the moving mechanism comprises a supporting structure, the middle part of the supporting structure is provided with a central shaft in a penetrating way, and the top end of the central shaft is provided with a hanging structure; The top of the supporting structure is connected with a walking structure through an elastic structure, and the walking structure is abutted with a pressing structure arranged on the central shaft; The lower part of the supporting structure is rotationally connected with a clamping structure through a first spiral structure, and the clamping structure is connected with a central shaft; when the clamping structure is positioned at the top end of the first spiral structure, the clamping structure and the walking structure are in a vertical state; When the clamping structure is positioned at the bottom end of the first spiral structure, the clamping structure and the walking structure are in a parallel state, the walking structure overcomes the elastic force of the elastic structure and moves downwards, and a clamping space for clamping the power transmission line is formed between the clamping structure and the walking structure. Further, an intermediate cylinder is sleeved on the outer side of the central shaft, and the clamping structure is fixedly connected with the intermediate cylinder; an expanding structure is arranged below the clamping structure, the clamping structure is connected with the expanding structure through a flexible shielding structure, the expanding structure is rotationally connected with the lower part of the supporting structure through a second spiral structure, and the expanding structure is fixedly connected with the central shaft; When the included angle between the expanding structure and the clamping structure is 0 DEG, the flexible shielding structure is in an undeployed state; When the included angle between the expanding structure and the clamping structure is 180 degrees, the flexible shielding structure is in an unfolding state. Further, the top end position of the first spiral structure and the top end position of the second spiral structure are the same in the circumferential direction, the spiral direction of the first spiral structure is parallel to the spiral direction of the second spiral structure, the spiral angle o