Wire connecting device for power transmission overhead line tower

By designing a wire connection device including an inflatable cavity shell and a pneumatic cylinder, the problems of poor wire connection effect and inconvenient use in the prior art are solved, and flexible adjustment of the wire connection length is achieved, operating efficiency is improved and costs are reduced.

CN119726285AActive Publication Date: 2025-03-28SHENZHEN POWER SUPPLY BUREAU
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Patent Information

Application Number
CN202411873716.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-03-28
Estimated Expiration
2044-12-18

AI Technical Summary

Technical Problem

The existing wire connecting tools have poor connection effect and inconvenient use when used, and the extension length of the adjustment rod cannot be effectively adjusted, resulting in the inability to adapt to transmission lines of different spacings.

Method used

A wire connection device including a fixed ring, an inflatable cavity shell, a rotary pressing arm, an arc-shaped inflatable piston rod, an arc-shaped compressed air cylinder, a guide cylinder, an inner slide rod, a line collar assembly and an air cylinder are designed. By inflating the inflatable cavity shell and compression of the air pressure cylinder, the length of the inner slide rod is adjusted, thereby adjusting the length of the line collar assembly to accommodate wires of different spacings.

Benefits of technology

It realizes flexible adjustment of wire connections, improves operating efficiency, and has a streamlined structure and is easy to control costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an electric wire connecting device for a power transmission overhead line tower. The electric wire connecting device comprises a fixing ring; the inflation cavity shell is arranged in the middle of the fixing ring, a rotating pressing arm is rotationally arranged on the surface of one side of the inflation cavity shell through a rotating shaft, and the rotating pressing arm is connected with an arc-shaped inflation piston rod; an arc-shaped compressed air cylinder is fixedly arranged on the surface of the inflation cavity shell and communicates with the interior of the inflation cavity shell, and an arc-shaped inflation piston rod is arranged on the inner side of the arc-shaped compressed air cylinder in a sliding mode; the guide cylinders are connected between the inflation cavity shell and the fixing ring, and inner sliding rods are arranged in the guide cylinders in a sliding mode; the circuit lantern ring assembly is arranged at the end part of the inner sliding rod; the sliding connecting rod is arranged in the inner sliding rod; and the pneumatic cylinder is arranged at the bottom of the guide cylinder, and an inflation inlet of the pneumatic cylinder is communicated with the interior of the inflation cavity shell. According to the electric wire connecting device for the power transmission overhead line tower, the length of the line lantern ring assembly for electric wire connection can be adjusted, and the operation efficiency is improved; the structure is simple and the cost is easy to control.
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Description

Technical Field

[0001] The invention relates to the technical field of power auxiliary equipment, and in particular to a wire connecting device for a power transmission overhead line tower. Background Art

[0002] Spacers are hardware installed on split conductors to fix the spacing between each split conductor to prevent the conductors from whipping each other and suppress breeze vibration and sub-span oscillation. In long-distance, large-capacity ultra-high voltage transmission lines, two, four or more split conductors are used per phase. In order to ensure that the spacing between the split conductor bundles remains unchanged to meet electrical performance, reduce the surface potential gradient, and in the event of a short circuit, no electromagnetic force is generated between the conductor bundles, causing mutual attraction and collision, or although a momentary attraction and collision is caused, it can be restored to normal after the accident is eliminated. Therefore, spacers are installed at a certain distance in the span.

[0003] The hardware for connecting wires in the prior art usually has the following defects when in use: poor connection effect and inconvenient use; the extension length of the adjustment rod cannot be effectively adjusted, and thus cannot be used for transmission lines with different spacings, resulting in poor adaptability of the connecting hardware. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a wire connecting device for a power transmission overhead line tower, which can adjust the length of a line collar assembly for wire connection and improve working efficiency; the structure is simple and cost is easy to control.

[0005] In order to solve the above technical problems, the present invention provides a wire connection device for overhead power transmission line towers, comprising: a fixed ring; an air-filled cavity shell arranged in the middle of the fixed ring, a rotating pressure arm is arranged on one side surface of the air-filled cavity shell through a rotating shaft, and the rotating pressure arm is connected to an arc-shaped air-filled piston rod; an arc-shaped compressed air cylinder is fixedly arranged on the surface of the air-filled cavity shell, and the arc-shaped compressed air cylinder is connected to the inside of the air-filled cavity shell, wherein: the arc-shaped air-filled piston rod is slidably arranged on the inner side of the arc-shaped compressed air cylinder; a plurality of guide cylinders connected between the air-filled cavity shell and the fixed ring, and a plurality of guide cylinders are slidable in the guide cylinders. The invention is provided with an inner slide rod; a line collar assembly installed at the end of the inner slide rod; a sliding connecting rod installed inside the inner slide rod; and a pneumatic cylinder installed at the bottom of the guide cylinder, the inflation port of the pneumatic cylinder is connected with the inside of the inflation cavity shell, wherein: by repeatedly pressing and rotating the pressure arm, the arc-shaped inflation piston rod is driven to reciprocate inside the arc-shaped compression gas cylinder, so that the inflation cavity shell is inflated, and the inner slide rod is pushed by the pneumatic cylinder to slide along the guide cylinder to adjust the length of the inner slide rod extending out of the guide cylinder; and multiple wires are fixed one by one through multiple line collar assemblies.

[0006] Among them, a deflation valve is installed on the inflation chamber shell, and multiple guide cylinders are evenly and equidistantly arranged; the arc-shaped inflation piston rod and the arc-shaped compression air cylinder are respectively arranged with the rotating shaft as the center point of the rotation radius.

[0007] Among them, the line ring assembly includes: a male end semicircular ring and a female end semicircular ring, the male end semicircular ring and the female end semicircular ring are respectively hinged on both sides of one end of the inner sliding rod; the inner sliding rod is respectively sleeved with a sliding sleeve and a nut sleeve, the nut sleeve is threadedly connected to the inner sliding rod, and the opposite sides of the sliding sleeve are respectively hinged with the male end semicircular ring and the female end semicircular ring through the hinge rod, wherein: the rotating nut sleeve moves along the inner sliding rod to push the sliding sleeve to slide, thereby driving the hinge rod to push the male end semicircular ring and the female end semicircular ring to close.

[0008] Among them, the inner sides of the convex end semicircular ring and the concave end semicircular ring are fixed with ceramic insulating anti-sliding blocks, one end of the convex end semicircular ring is fixed with a docking protrusion, and the inner side of the concave end semicircular ring is provided with a docking groove matched with the docking protrusion; wherein: the docking protrusion is inserted into the inner docking groove of the concave end semicircular ring, and the wire is clamped on the ceramic insulating anti-sliding block.

[0009] Among them, a receiving groove is provided on the surface of the semicircular ring of the concave end, a rotating plate is rotatably provided inside the receiving groove, a triangular clamping block is fixedly provided at one end of the rotating plate, a triangular docking groove matched with the triangular clamping block is provided on the surface of the docking protrusion, and a first spring is fixedly provided on the inner side of the other end of the rotating plate; wherein: the triangular clamping block at one end of the rotating plate is clamped into the triangular docking groove in the docking protrusion under the action of the first spring for limiting the position.

[0010] Among them, a limiting tooth groove is provided at the bottom of the nut sleeve, a rotatable limiting rotating block is installed inside the inner sliding rod, and an extrusion block is fixedly provided at the position of the sliding connecting rod corresponding to the limiting rotating block rod; a second spring is fixedly provided on one side of the limiting rotating block rod corresponding to the inner surface of the inner sliding rod, wherein: the second spring pushes the limiting rotating block rod to rotate so that it is stuck in the limiting tooth groove to limit the nut sleeve; pressing the sliding connecting rod drives the extrusion block to move downward to squeeze the limiting rotating block rod to rotate, so that it disengages from the limiting tooth groove to release the limitation of the nut sleeve.

[0011] The cross section of the position-limiting rotation blocking rod is L-shaped, the cross section of the extrusion block is trapezoidal, and the hypotenuse of the extrusion block is fitted and connected with the position-limiting rotation blocking rod.

[0012] Wherein, a fixed stopper is arranged on the sliding connecting rod, a fixed stopper is fixedly arranged inside the inner sliding rod, a third spring is sleeved on the sliding connecting rod, and the third spring is connected between the fixed stopper and the fixed stopper.

[0013] Among them, a clamping groove is provided on the inner side of the end of the inner sliding rod, and a rotating sleeve is provided in the middle of the clamping groove through a bearing for rotation. The rotating sleeve is connected to the limiting triangular block through a steel wire rope, and the limiting triangular block is slidably arranged on both sides of the clamping groove, and a fourth spring is arranged between the inner wall of the clamping groove and the limiting triangular block; triangular anti-backward clamping grooves are provided on both sides of the guide cylinder, and the limiting triangular block and the triangular anti-backward clamping groove are arranged correspondingly; a sliding ridge is fixedly provided at one end of the sliding connecting rod, and a spiral groove is provided on the inner surface of the rotating sleeve, and the sliding ridge is slidably arranged on the inner side of the spiral groove.

[0014] Among them, the pressing sliding link slides in the spiral sliding groove in the rotating sleeve through the sliding ridge, driving the rotating sleeve to rotate, pulling the recovery wire rope, so as to pull the limiting triangle block out of the triangular anti-backward slot; loosening the sliding link, the third spring drives the sliding link to slide and reset, the rotating sleeve reverses, releasing the wire rope, and the fourth spring drives the limiting triangle block to insert into the triangular anti-backward slot to prevent the loss of pressure in the pneumatic cylinder from causing the inner sliding rod to retreat.

[0015] The wire connection device for overhead power transmission line towers of the present invention has the following beneficial effects: the wire connection device for overhead power transmission line towers comprises: a fixing ring; an air-filled cavity shell arranged in the middle of the fixing ring, a rotating pressure arm is arranged on one side surface of the air-filled cavity shell through rotation of a rotating shaft, and the rotating pressure arm is connected to an arc-shaped air-filled piston rod; an arc-shaped compressed air cylinder is fixedly arranged on the surface of the air-filled cavity shell, and the arc-shaped compressed air cylinder is connected to the inside of the air-filled cavity shell, wherein: the arc-shaped air-filled piston rod is slidably arranged on the inner side of the arc-shaped compressed air cylinder; a plurality of guide cylinders connected between the air-filled cavity shell and the fixing ring, and an inner sliding rod is slidably arranged in the guide cylinder; an inner sliding rod is arranged on the inner sliding rod ... A line collar assembly at the end of the rod; a sliding connecting rod installed inside the inner sliding rod; and a pneumatic cylinder installed at the bottom of the guide cylinder, the inflation port of the pneumatic cylinder is connected to the inside of the inflation chamber shell, wherein: by repeatedly pressing and rotating the pressure arm, the arc-shaped inflation piston rod is driven to reciprocate inside the arc-shaped compression air cylinder, so that the inflation chamber shell is inflated, and the inner sliding rod is pushed by the pneumatic cylinder to slide along the guide cylinder to adjust the length of the inner sliding rod extending out of the guide cylinder; multiple wires are fixed one by one through multiple line collar assemblies, and the length of the line collar assembly for wire connection can be adjusted to improve work efficiency; the structure is simple and easy to control costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1The present invention is a schematic diagram of the three-dimensional structure of a wire connection device for a power transmission overhead line tower according to an embodiment of the present invention.

[0018] Figure 2 The present invention is a schematic diagram of the bottom structure of a wire connection device for a power transmission overhead line tower according to an embodiment of the present invention.

[0019] Figure 3 It is a schematic diagram of the overall structure of the line ring assembly according to an embodiment of the present invention.

[0020] Figure 4 It is a schematic diagram of a partially enlarged structure of a line collar assembly according to an embodiment of the present invention.

[0021] Figure 5 Schematic diagram of the local structure of the sliding rod in the embodiment of the present invention.

[0022] Figure 6 It is a schematic diagram of the partial structure of the guide cylinder according to an embodiment of the present invention.

[0023] Figure 7 It is a schematic diagram of the structure of the spiral chute according to an embodiment of the present invention. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] like Figure 1-Figure 7 FIG. 1 shows a first embodiment of a wire connection device for a power transmission overhead line tower according to the present invention.

[0026] In this embodiment, the wire connection device for the overhead line tower of power transmission includes: a fixed ring 1; an air-filling chamber shell 3 arranged in the middle of the fixed ring 1, a rotating pressure arm 4 is provided on one side surface of the air-filling chamber shell 3 through a rotating shaft 5, and the rotating pressure arm 4 is connected to an arc-shaped air-filling piston rod 7; an arc-shaped compressed air cylinder 6 is fixedly provided on the surface of the air-filling chamber shell 3, and the arc-shaped compressed air cylinder 6 is connected to the inside of the air-filling chamber shell 3, wherein: the arc-shaped air-filling piston rod 7 is slidably arranged on the inner side of the arc-shaped compressed air cylinder 6; a plurality of guide cylinders 2 connected between the air-filling chamber shell 3 and the fixed ring 1, an inner slide rod 35 is slidably arranged in the guide cylinder 2; a line collar assembly 12 is installed at the end of the inner slide rod 35; a sliding connecting rod 14 is installed inside the inner slide rod 35; and a pneumatic cylinder 8 is installed at the bottom of the guide cylinder 2, and the air filling port of the pneumatic cylinder 8 is connected to the inside of the air-filling chamber shell 3.

[0027] Among them: by repeatedly pressing and rotating the pressing arm 4, the arc-shaped inflation piston rod 7 is driven to reciprocate inside the arc-shaped compression air cylinder 6, so that the inflation chamber shell 3 is inflated, and the inner slide rod 35 is pushed by the pneumatic cylinder 8 to slide along the guide tube 2 to adjust the length of the inner slide rod 35 extending out of the guide tube 2; multiple wires are fixed one by one through multiple line ring assemblies 12.

[0028] In specific implementation, a deflation valve is installed on the inflation chamber shell 3, and multiple guide cylinders 2 are evenly arranged at equal distances; the arc-shaped inflation piston rod 7 and the arc-shaped compression cylinder 6 are respectively arranged with the rotating shaft 5 as the center point of the rotation radius.

[0029] Furthermore, the line ring assembly 12 includes: a male end semicircular ring 15 and a female end semicircular ring 21, the male end semicircular ring 15 and the female end semicircular ring 21 are respectively hinged on both sides of one end of the inner slide rod 35; the inner slide rod 35 is respectively sleeved with a sliding sleeve 10 and a nut sleeve 9, the nut sleeve 9 is threadedly connected to the inner slide rod 35, and the opposite sides of the sliding sleeve 10 are respectively hinged with the male end semicircular ring 15 and the female end semicircular ring 21 through the hinge rod 11, wherein: the rotating nut sleeve 9 moves along the inner slide rod 35 to push the sliding sleeve 10 to slide, thereby driving the hinge rod 11 to push the male end semicircular ring 15 and the female end semicircular ring 21 to close.

[0030] Among them, the inner sides of the convex end semicircular ring 15 and the concave end semicircular ring 21 are fixedly provided with a ceramic insulating anti-slip block 13, one end of the convex end semicircular ring 15 is fixedly provided with a docking protrusion 16, and the inner side of the concave end semicircular ring 21 is provided with a docking groove matched with the docking protrusion 16; wherein: the docking protrusion 16 is inserted into the inner docking groove of the concave end semicircular ring 21, and the wire is clamped on the ceramic insulating anti-slip block 13.

[0031] Among them, a receiving groove 18 is provided on the surface of the concave end semicircular ring 21, a rotating plate 19 is rotatably provided inside the receiving groove 18, a triangular clamping block 17 is fixedly provided at one end of the rotating plate 19, a triangular docking groove matched with the triangular clamping block 17 is provided on the surface of the docking protrusion 16, and a first spring 20 is fixedly provided on the inner side of the other end of the rotating plate 19, wherein: the triangular clamping block 17 at one end of the rotating plate 19 is clamped into the triangular docking groove in the docking protrusion 16 under the action of the first spring 20 for limiting.

[0032] During implementation, the rotating nut sleeve 9 moves upward on the surface of the inner slide rod 35, pushing the slide sleeve 10 to slide, thereby driving the hinge rod 11 to push the convex end semicircular ring 15 and the concave end semicircular ring 21 to clamp the wire through the inner ceramic insulating anti-sliding block 13. At this time, the docking protrusion 16 is inserted into the docking groove in the concave end semicircular ring 21, and the triangular clamping block 17 at one end of the rotating plate 19 is clamped into the triangular docking groove in the docking protrusion 16 under the action of the first spring 20 to complete the limiting.

[0033] Furthermore, a limiting tooth groove 22 is provided at the bottom of the nut sleeve 9; an extrusion block 24 is fixedly provided on the sliding link 14 corresponding to the limiting rotating baffle 23; the interior of the inner slide rod 35 is respectively equipped with a sliding link 14 and a rotatable limiting rotating baffle 23, and a second spring 25 is fixedly provided on one side of the inner surface of the limiting rotating baffle 23 corresponding to the inner slide rod 35, wherein: the second spring 25 pushes the limiting rotating baffle 23 to rotate, so that it is stuck in the limiting tooth groove 22, so as to limit the nut sleeve 9; pressing the sliding link 14 drives the extrusion block 24 to move downward to squeeze the limiting rotating baffle 23 to rotate, so that it disengages from the limiting tooth groove 22, so as to release the limitation of the nut sleeve 9.

[0034] During implementation, the number of limit tooth grooves 22 is set, and the limit rotating lever 23 is set corresponding to the limit tooth grooves 22. The second spring 25 pushes the limit rotating lever 23 to rotate, thereby getting stuck in the limit tooth grooves 22 on the lower surface of the nut sleeve 9 to prevent the nut sleeve 9 from rotating; pressing the sliding connecting rod 14 drives the extrusion block 24 to move downward to squeeze the limit rotating lever 23 to rotate, so that it disengages from the limit tooth grooves 22. At this time, the nut sleeve 9 can rotate.

[0035] Preferably, the cross section of the position-limiting rotation blocking rod 23 is L-shaped, the cross section of the extrusion block 24 is trapezoidal, and the hypotenuse of the extrusion block 24 is closely connected to the position-limiting rotation blocking rod 23 .

[0036] Furthermore, a fixed stopper 26 is mounted on the sliding link 14 , a fixed baffle 28 is fixed inside the inner sliding rod 25 , a third spring 27 is sleeved on the sliding link 14 , and the third spring 27 is connected between the fixed stopper 26 and the fixed baffle 28 .

[0037] Among them, a clamping groove 33 is provided on the inner side of the end of the inner sliding rod 35, and a rotating sleeve 30 is rotatably provided in the middle of the clamping groove 33 through a bearing. The rotating sleeve 30 is connected to the limiting triangular block 32 through a wire rope, and the limiting triangular block 32 is slidably arranged on both sides of the inside of the clamping groove 33, and a fourth spring 31 is arranged between the inner wall of the clamping groove 33 and the limiting triangular block 32; triangular anti-backward clamping grooves 36 are provided on both sides of the inside of the guide cylinder 2, and the limiting triangular block 32 is correspondingly arranged to the triangular anti-backward clamping groove 36; a sliding ridge 29 is fixedly provided at one end of the sliding connecting rod 14, and a spiral groove 34 is provided on the inner surface of the rotating sleeve 30, and the sliding ridge 29 is slidably arranged on the inner side of the spiral groove 34.

[0038] During implementation, the sliding link 14 is pressed to slide in the spiral groove 34 in the rotating sleeve 30 through the sliding ridge 29, driving the rotating sleeve 30 to rotate, pulling the recovery wire rope, so as to pull the limiting triangle block 32 out of the triangular anti-backward slot 36; the sliding link 14 is released, the third spring 27 drives the sliding link 14 to slide and reset, the rotating sleeve 30 is reversed, the wire rope is released, and the fourth spring 31 drives the limiting triangle block 32 to insert into the triangular anti-backward slot 36.

[0039] In the specific implementation of the wire connection device for overhead line towers in this embodiment, the rotating pressing arm 4 is repeatedly pressed to drive the arc-shaped inflation piston rod 7 to inflate the interior of the inflation chamber shell 3 inside the arc-shaped compressed air cylinder 6, thereby completing the inflation of the pneumatic cylinder 8, driving the inner sliding rod 35 to slide inside the guide cylinder 2, thereby adjusting the length and releasing the pressure through the air release valve.

[0040] The rotating nut sleeve 9 moves upward on the surface of the inner slide rod 35, pushing the slide sleeve 10 to slide, thereby driving the hinge rod 11 to push the convex end semicircular ring 15 and the concave end semicircular ring 21 to clamp the wire through the inner ceramic insulating anti-sliding block 13. At this time, the docking protrusion 16 is inserted into the docking groove in the concave end semicircular ring 21, and the triangular clamping block 17 at one end of the rotating plate 19 is clamped into the triangular docking groove in the docking protrusion 16 under the action of the first spring 20 to complete the limiting.

[0041] The second spring 25 pushes the limit rotation stop rod 23 to rotate, thereby getting stuck in the limit tooth groove 22 on the lower surface of the nut sleeve 9 to prevent the nut sleeve 9 from rotating. Pressing the sliding connecting rod 14 drives the extrusion block 24 to move downward to squeeze the limit rotation stop rod 23 to rotate, so that it disengages from the limit tooth groove 22. At this time, the nut sleeve 9 can rotate.

[0042] When the sliding link 14 is pressed, it will slide downward in the spiral groove 34 in the rotating sleeve 30 through the sliding ridge 29, thereby driving the rotating sleeve 30 to rotate, pulling the recovery wire rope, and pulling the limiting triangle block 32 out of the triangular anti-backward slot 36; release the sliding link 14, the third spring 27 drives the sliding link 14 to slide upward and reset, and at the same time the rotating sleeve 30 reverses to release the wire rope, and the fourth spring 31 drives the limiting triangle block 32 to insert into the triangular anti-backward slot 36 to prevent the pneumatic cylinder 8 from losing pressure and causing the inner slide rod 35 to retreat.

[0043] The wire connection device for overhead power transmission line towers of the present invention has the following beneficial effects: the wire connection device for overhead power transmission line towers comprises: a fixed ring; an air-filled cavity shell arranged in the middle of the fixed ring, a rotating pressure arm is arranged on one side surface of the air-filled cavity shell through rotation of a rotating shaft, and the rotating pressure arm is connected to an arc-shaped air-filled piston rod; an arc-shaped compressed air cylinder is fixedly arranged on the surface of the air-filled cavity shell, and the arc-shaped compressed air cylinder is connected to the inside of the air-filled cavity shell, wherein: the arc-shaped air-filled piston rod is slidably arranged on the inner side of the arc-shaped compressed air cylinder; a plurality of guide cylinders connected between the air-filled cavity shell and the fixed ring, and an inner sliding rod is slidably arranged in the guide cylinder; an inner sliding rod is arranged inside the air-filled cavity shell; a plurality of guide cylinders connected between the air-filled cavity shell and the fixed ring, and an inner sliding rod is slidably arranged in the guide cylinder; an inner sliding rod is arranged inside the air-filled cavity shell; an inner sliding rod is arranged inside the air-filled cavity shell; an inner sliding rod is arranged inside the air-filled cavity shell; an inner sliding rod is arranged inside the air-filled cavity shell; an inner sliding rod is arranged inside the air-filled cavity shell; an inner sliding rod is arranged inside the air-filled cavity shell; an inner sliding rod is arranged inside the air-filled cavity shell; an inner sliding rod is arranged inside the inner sliding rod ... A line collar assembly at the end of the slide rod; a sliding connecting rod installed inside the inner slide rod; and a pneumatic cylinder installed at the bottom of the guide cylinder, the inflation port of the pneumatic cylinder is connected to the inside of the inflation chamber shell, wherein: by repeatedly pressing and rotating the pressure arm, the arc-shaped inflation piston rod is driven to reciprocate inside the arc-shaped compression air cylinder to inflate the inflation chamber shell, and the inner slide rod is pushed by the pneumatic cylinder to slide along the guide cylinder to adjust the length of the inner slide rod extending out of the guide cylinder; multiple wires are fixed one by one through multiple line collar assemblies, and the length of the line collar assembly for wire connection can be adjusted to improve work efficiency; the structure is simple and easy to control costs.

Claims

1. A wire connection device for a power transmission overhead line tower, characterized in that: include: Fixed ring; An air-filling chamber shell is arranged in the middle of the fixed ring, and a rotating pressure arm is arranged on one side surface of the air-filling chamber shell through rotation of a rotating shaft, and the rotating pressure arm is connected to an arc-shaped air-filling piston rod; an arc-shaped compressed air cylinder is fixedly arranged on the surface of the air-filling chamber shell, and the arc-shaped compressed air cylinder is connected to the inside of the air-filling chamber shell, wherein: the arc-shaped air-filling piston rod is slidably arranged inside the arc-shaped compressed air cylinder; A plurality of guide cylinders connected between the inflation chamber shell and the fixing ring, wherein an inner slide rod is slidably installed in the guide cylinder; A line collar assembly mounted on the end of the inner slide rod; a sliding connecting rod installed inside the inner sliding rod; and A pneumatic cylinder is installed at the bottom of the guide cylinder, and the inflation port of the pneumatic cylinder is connected to the interior of the inflation chamber shell, wherein: By repeatedly pressing the rotating pressing arm, the arc-shaped inflatable piston rod is driven to reciprocate inside the arc-shaped compressed air cylinder, so that the inflatable chamber shell is inflated, and the inner sliding rod is pushed by the pneumatic cylinder to slide along the guide cylinder to adjust the length of the inner sliding rod extending out of the guide cylinder; Multiple wires are fixed one by one through multiple line collar components.

2. The wire connection device for overhead power transmission line tower according to claim 1, characterized in that: An air release valve is mounted on the air-filled cavity shell, and a plurality of guide tubes are evenly arranged at equal distances; The arc-shaped inflatable piston rod and the arc-shaped compressed air cylinder are respectively arranged with the rotating shaft as the center point of the rotating radius.

3. The wire connection device for overhead power transmission line tower according to claim 1, characterized in that: The line ring assembly comprises: a male end semicircular ring and a female end semicircular ring, wherein the male end semicircular ring and the female end semicircular ring are respectively hinged on both sides of one end of the inner slide rod; The inner slide rod is respectively sleeved with a sliding sleeve and a nut sleeve, the nut sleeve is threadedly connected to the inner slide rod, and the opposite sides of the sliding sleeve are respectively hinged to the convex end semicircular ring and the concave end semicircular ring through hinge rods, wherein: The nut sleeve is rotated to move along the inner slide rod to push the slide sleeve to slide, thereby driving the hinge rod to push the convex end semicircular ring and the concave end semicircular ring to close.

4. The wire connection device for overhead power transmission line tower according to claim 3, characterized in that: The inner sides of the convex end semicircular ring and the concave end semicircular ring are both fixedly provided with a ceramic insulating anti-slip block, one end of the convex end semicircular ring is fixedly provided with a docking protrusion, and the inner side of the concave end semicircular ring is provided with a docking groove adapted to the docking protrusion; wherein: The butt joint protrusion is inserted into the inner butt joint groove of the concave end semicircular ring, and the electric wire is clamped on the ceramic insulating anti-sliding block.

5. The wire connection device for overhead power transmission line tower according to claim 4, characterized in that: A receiving groove is provided on the surface of the semicircular ring of the concave end, a rotating plate is rotatably provided inside the receiving groove, a triangular clamping block is fixedly provided at one end of the rotating plate, a triangular docking groove matching the triangular clamping block is provided on the surface of the docking protrusion, and a first spring is fixedly provided on the inner side of the other end of the rotating plate; Wherein: under the action of the first spring, the triangular clamping block at one end of the rotating plate is clamped into the triangular docking groove in the docking protrusion to limit the position.

6. The wire connection device for overhead power transmission line tower according to claim 3, characterized in that: The bottom of the nut sleeve is provided with a limit tooth groove, the interior of the inner slide rod is provided with a rotatable limit rotation blocking rod, the sliding connecting rod is fixed with an extrusion block at a position corresponding to the limit rotation blocking rod; the limit rotation blocking rod is fixed with a second spring at one side corresponding to the inner surface of the inner slide rod, wherein: The second spring pushes the limit rotation blocking rod to rotate so as to be stuck in the limit tooth groove, so as to limit the nut sleeve; Pressing the sliding connecting rod drives the extrusion block to move downward to rotate the extrusion limit rotating blocking rod, so that the extrusion block is disengaged from the limit tooth groove, so as to release the limit on the nut sleeve.

7. The wire connection device for overhead power transmission line tower according to claim 6, characterized in that: The cross section of the position-limiting rotation blocking rod is L-shaped, the cross section of the extrusion block is trapezoidal, and the hypotenuse of the extrusion block is closely connected with the position-limiting rotation blocking rod.

8. The wire connection device for overhead power transmission line tower according to claim 1, characterized in that: A fixed stopper is arranged on the sliding connecting rod, a fixed stopper is fixedly arranged inside the inner sliding rod, a third spring is sleeved on the sliding connecting rod, and the third spring is connected between the fixed stopper and the fixed stopper.

9. The wire connection device for overhead power transmission line tower according to claim 8, characterized in that: A clamping groove is provided on the inner side of the end of the inner slide rod, a rotating sleeve is provided in the middle of the clamping groove through a bearing, the rotating sleeve is connected to the limiting triangle block through a wire rope, the limiting triangle block is slidably arranged on both sides of the inside of the clamping groove, and a fourth spring is provided between the inner wall of the clamping groove and the limiting triangle block; The guide cylinder is provided with triangular anti-backward slots on both sides thereof, and the limiting triangular blocks are arranged corresponding to the triangular anti-backward slots; A sliding ridge is fixedly provided at one end of the sliding connecting rod, a spiral groove is provided on the inner surface of the rotating sleeve, and the sliding ridge is slidably arranged on the inner side of the spiral groove.

10. The wire connection device for overhead power transmission line tower according to claim 9, characterized in that: Press the sliding link to slide in the spiral groove in the rotating sleeve through the sliding ridge, drive the rotating sleeve to rotate, and pull the recovery wire rope to pull the limiting triangle block out of the triangle anti-backward slot; Release the sliding link, the third spring drives the sliding link to slide and reset, the rotating sleeve reverses, releases the wire rope, and the fourth spring drives the limiting triangle block to insert into the triangular anti-backward slot to prevent the pneumatic cylinder from losing pressure and causing the inner sliding rod to retreat.

Citation Information

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