Rapid strain clamp installation device for high-voltage power transmission line

By designing a quick-install tension clamp device and utilizing the limit locking function of the casing, steel wire and limit assembly, the problem of loose fastening blocks is solved, the stability and safety of high-voltage transmission lines are improved, and quick installation and maintenance are facilitated.

CN120638205APending Publication Date: 2025-09-12CONSTR BRANCH OF STATE GRID XINJIANG ELECTRIC POWER CO LTD +2
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Patent Information

Application Number
CN202510848040.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-24
Publication Date
2025-09-12

AI Technical Summary

Technical Problem

The fastening blocks of existing high-voltage transmission lines are prone to loosening during long-term operation due to factors such as wind, temperature changes and vibration, resulting in loose fixation of the transmission lines, affecting the stability and safety of use.

Method used

A quick-install tension clamp device is designed, which includes a housing, a steel wire, a limit assembly and a limit plate. Through the cooperation of the ratchet bar and the clamping plate, the fastening block is limited and locked to prevent loosening.

Benefits of technology

It enhances the installation stability and safety of the transmission line, prevents the fastening blocks from loosening, improves maintenance efficiency, and facilitates quick assembly and disassembly and maintenance.

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Abstract

The invention relates to the technical field of high-voltage power transmission line installation, in particular to a rapid strain clamp installation device for a high-voltage power transmission line, which comprises a sleeve shell, a steel wire, an assembly block and a limiting assembly, a sliding groove for slidably installing a fastening block is formed in the sleeve shell, fixing blocks are connected to the left and right sides of the rear part of the sleeve shell, and limiting columns are clamped on the fixing blocks; the rear sides of the limiting columns are connected with steel wires, the assembling blocks are connected with the limiting columns through the steel wires, and the sleeve shell is provided with a limiting assembly used for limiting the fastening blocks. According to the invention, the power transmission line can be rapidly installed and fixed, the fastening block can be limited and locked, the fastening block is prevented from loosening or being not firmly fastened, the use stability and safety are enhanced, and the power transmission line can be conveniently and rapidly assembled, disassembled and maintained.
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Description

Technical Field

[0001] The invention relates to the technical field of high-voltage transmission line installation, in particular to a quick-installation tension clamp device for high-voltage transmission lines. Background Art

[0002] As an important part of the power system, high-voltage transmission lines undertake the key task of efficiently and stably transmitting electric energy from the power generation end to the power consumption end. The tension clamp device is an important component used to fix the transmission line in the high-voltage transmission line. The performance of the device is directly related to the operational safety, stability and maintenance efficiency of the transmission line.

[0003] The existing method of fixing high-voltage transmission lines is usually to fix the transmission line on the fastening block of the tension clamp, and then install the tension clamp on the power pole for use. However, the current equipment lacks the function of limit locking. During long-term operation, due to the influence of various factors such as wind, temperature changes, and vibration, the fastening block is prone to loosening or loose tightening. Once the fastening block is loose, the fixation of the transmission line will be affected, which may cause the transmission line to move, wear or even break, causing serious safety accidents and affecting the stability of use.

[0004] The patent application document with publication number CN115967045A discloses a transmission line mounting and clamping device, including a connecting rod, a base, a fixed clamping block, a movable clamping block and a driving mechanism; one end of the connecting rod is connected to the operating equipment, one end of the base is arranged at the other end of the connecting rod, the length direction of the base is parallel to the length square of the connecting rod, the fixed clamping block is arranged at one end of the base, located away from the end of the connecting rod, the movable clamping block and the fixed clamping block are arranged opposite to each other, and the movable clamping block is slidably arranged on the base along the length direction of the base, and the driving mechanism is used to drive the movable clamping block to slide, so that the fixed clamping block and the movable clamping block are cooperated and sleeved on the outside of the transmission line to clamp or loosen the transmission line.

[0005] The patent application document with publication number CN119765161A discloses a tension clamp device for high-voltage transmission lines. The present invention relates to the field of tension clamp technology, including a reeling and unreeling mechanism, wherein the reeling and unreeling mechanism is fixedly mounted in the middle position of the inner side surface of a fixed frame, and a cable is sleeved and fixed in the middle position of the surface of the reeling and unreeling mechanism, and the end face of the cable is wound along the axis direction of the reeling and unreeling mechanism. The tension clamp device for high-voltage transmission lines drives the rotating roller to rotate when the slotted shaft rotates, and unwinds the cable when the rotating roller rotates. At the same time, the cable is pulled to a fixed point by an external force. When the pulling force is removed, the first clamping mechanism and the second clamping mechanism clamp the surface of the cable, so that the surface of the cable has a large tension and is not easy to fall, thereby realizing the rapid clamping of the reversing cable, solving the problem of how to quickly erect and install the reversing conductor that is subjected to bidirectional force.

[0006] The structure of the power transmission line fixing or clamping device disclosed in the above patent application documents is obviously different from that of the device of the present application. Summary of the Invention

[0007] The present invention provides a quick-installation tension clamp device for high-voltage transmission lines, which overcomes the shortcomings of the above-mentioned prior art. It can quickly install and fix the transmission line, and can also limit and lock the fastening block to prevent the fastening block from loosening or being loosely fastened, thereby enhancing the stability and safety of use.

[0008] The technical solution of the present invention is achieved through the following measures: a quick-installation tension clamp device for high-voltage transmission lines, including a housing, a steel wire, an assembly block and a limit component, a slide groove for slidingly installing the fastening block is provided in the housing, and fixed blocks are connected to the left and right sides of the rear of the housing, and limiting columns are clamped on the fixed blocks. The rear sides of the limiting columns are connected to steel wires, the assembly block is connected to the limiting columns through the steel wires, and a limit component for limiting the fastening block is provided on the housing.

[0009] The following are further optimizations and / or improvements to the above technical solutions: The above-mentioned limit assembly includes a limit plate, a push plate, a ratchet, a guide rail and a fixed shaft. Two guide rails are fixedly connected to the upper side of the sleeve. A ratchet that can slide back and forth is slidably connected between the two guide rails. The rear side of the ratchet is connected to a limit plate located at the rear of the sleeve. A push plate is connected to the upper side of the limit plate. A fixed shaft is connected between the top surfaces of the rear parts of the two guide rails. A sleeve is sleeved in the middle of the fixed shaft. A gap is provided between the inner wall of the sleeve and the outer wall of the fixed shaft. A clamping plate is fixedly connected to the front side of the sleeve, and the clamping plate can be clamped with the ratchet. Torsion springs are respectively connected between the left end of the sleeve and the left end of the fixed shaft, and between the right end of the sleeve and the right end of the fixed shaft.

[0010] The rear side of the sleeve is fixedly connected with an unlocking block.

[0011] The ratchet strip is provided with ratchet teeth with tooth tips facing backwards at intervals in the front and rear directions, and the clamping plate can be clamped with the ratchet teeth of the ratchet strip.

[0012] The chute is in the shape of a trapezoid that is narrow in front and wide in the back. The chute is connected from front to back and an opening is provided at the bottom of the chute.

[0013] The fixing block is provided with a connecting groove with its opening facing downwards, and the connecting groove is through-connected from front to back, and the limiting column is clamped on the fixing block outside the front side of the connecting groove.

[0014] A fastening block that can slide back and forth is installed in the above-mentioned slide groove, and a groove for fastening the power transmission line is opened on the side where the fastening blocks are close to each other.

[0015] The assembly block is arc-shaped.

[0016] The lower part of the limiting plate is provided with a through groove corresponding to the front and rear of the groove of the fastening block.

[0017] The present invention first places the transmission line between the fastening blocks, and then pushes the fastening block to move and clamp the transmission line through the limit plate, so that the ratchet moves forward, and the clamping plate is rotated and locked with the ratchet bar, and then the assembly block is hung on the fixing part, and then the limit column is clamped and fixed with the fixing block for installation. In this way, the transmission line can be quickly installed and fixed, and the fastening block can also be limited and locked to prevent the fastening block from loosening or not fastening firmly, thereby enhancing the stability and safety of use and facilitating the rapid assembly and disassembly and maintenance of the transmission line. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Attachment Figure 1 It is a schematic diagram of the front three-dimensional structure of the present invention.

[0019] Attachment Figure 2 It is a schematic diagram of the back three-dimensional structure of the present invention.

[0020] Attachment Figure 3 It is a partially enlarged schematic diagram of the three-dimensional structure of the present invention.

[0021] The codes in the accompanying drawings are: 1 for the housing, 2 for the fastening block, 3 for the fixing block, 4 for the limiting column, 5 for the steel wire, 6 for the assembly block, 7 for the limiting plate, 8 for the push plate, 9 for the ratchet, 10 for the guide rail, 11 for the clamping plate, 12 for the torsion spring, 13 for the fixed shaft, 14 for the unlocking block, 15 for the sleeve, 16 for the ratchet, 17 for the groove, 18 for the slide groove, 19 for the connecting groove, and 20 for the crossing groove. DETAILED DESCRIPTION

[0022] The present invention is not limited to the following embodiments, and specific implementation methods can be determined based on the technical solutions of the present invention and actual conditions.

[0023] For the convenience of description, the relative position relationship of each component is described based on the Figure 1 The positional relationships of front, back, top, bottom, left, and right are described in the layout of the manual. Figure 1 The layout direction is determined by the

[0024] In order to overcome the shortcomings that the current equipment lacks the function of limiting and locking the fastening block 2, during long-term operation, the fastening block 2 is prone to loosening or not being fastened firmly due to the influence of various factors such as wind, temperature changes, vibration, etc. Once the fastening block 2 is loose, it is easy to cause the transmission line to be displaced, worn or even broken, causing serious safety accidents and affecting the stability of use. The present invention provides a fast-installation tension clamp device for high-voltage transmission lines that can quickly install and fix the transmission line while also limiting and locking the fastening block 2 to prevent the fastening block 2 from loosening or not being fastened firmly, thereby enhancing the stability and safety of use and facilitating the rapid installation and disassembly and maintenance of the transmission line.

[0025] The present invention will be further described below in conjunction with the embodiments: Example 1: Figures 1 to 3 As shown, the quick-installation tension clamp device for high-voltage transmission lines includes a housing 1, a steel wire 5, an assembly block 6 and a limit assembly. A slide groove 18 for slidingly installing the fastening block 2 is provided in the housing 1, and fixed blocks 3 are connected to the left and right sides of the rear of the housing 1. The fixed blocks 3 are clamped with limit columns 4, and the rear sides of the limit columns 4 are connected with steel wires 5. The assembly block 6 is connected to the limit columns 4 through the steel wires 5, and a limit assembly for limiting the fastening block 2 is provided on the housing 1.

[0026] The fastening block 2 is used to fasten the power transmission line.

[0027] The above-mentioned quick-installation tension clamp device for high-voltage transmission lines may be further optimized and / or improved according to actual needs: Example 2: Figure 1 As shown, as an optimization of the above embodiment, the limit assembly includes a limit plate 7, a push plate 8, a ratchet 9, a guide rail 10 and a fixed shaft 13. Two guide rails 10 are fixedly connected to the upper side of the sleeve 1. A ratchet 9 that can slide back and forth is slidably connected between the two guide rails 10. The rear side of the ratchet 9 is connected to the limit plate 7 located at the rear of the sleeve 1. The upper side of the limit plate 7 is connected to the push plate 8. A fixed shaft 13 is connected between the top surfaces of the rear parts of the two guide rails 10. A sleeve 15 is sleeved in the middle of the fixed shaft 13. A gap is set between the inner wall of the sleeve 15 and the outer wall of the fixed shaft 13. A clamping plate 11 is fixedly connected to the front side of the sleeve 15, and the clamping plate 11 can be clamped with the ratchet 9. A torsion spring 12 is respectively connected between the left end of the sleeve 15 and the left end of the fixed shaft 13, and between the right end of the sleeve 15 and the right end of the fixed shaft 13.

[0028] By pushing the push plate 8 forward, the ratchet 9 moves forward along the guide rail 10, and the limit plate 7 moves forward. When the left and right sides of the limit plate 7 abut against the rear side of the fastening block 2, the push plate 8 is continued to be pushed forward. The limit plate 7 pushes the fastening block 2 to slide forward in the housing 1 until the fastening block 2 can no longer move forward.

[0029] The gap between the inner wall of the sleeve 15 and the outer wall of the fixed shaft 13 is provided so that the clamping plate 11 can rotate relative to the fixed shaft 13 when the ratchet bar 9 moves forward and backward.

[0030] Example 3: Figure 1 、 3 As shown, as an optimization of the above embodiment, an unlocking block 14 is fixedly connected to the rear side of the sleeve 15 .

[0031] Example 4: Figure 3 As shown, as an optimization of the above embodiment, ratchet teeth 16 with tooth tips facing backward are provided on the ratchet bar 9 at intervals in the front and rear, and the clamping plate 11 can be clamped with the ratchet teeth 16 of the ratchet bar 9.

[0032] When the clamping plate 11 and the ratchet bar 9 are not locked, the clamping plate 11 and the ratchet bar 9 are in a non-clamping state; when the clamping plate 11 and the ratchet bar 9 are locked, the clamping plate 11 and the ratchet bar 9 are in a clamping state.

[0033] The groove 17 is used for clamping the power transmission line.

[0034] Example 5: Figure 1 、 2 As shown, as an optimization of the above embodiment, in order to better clamp the power transmission line, the slide groove 18 is in a trapezoidal shape that is narrow in the front and wide in the back. At the same time, the slide groove 18 is connected from front to back, and an opening is provided at the bottom of the slide groove 18.

[0035] The two fastening blocks 2 are slidably installed in the sliding groove 18 .

[0036] Example 6: Figure 2 As shown, as an optimization of the above embodiment, a connection groove 19 with an opening facing downward is provided on the fixing block 3, and the connection groove 19 is through-through from front to back, and the limiting column 4 is clamped on the fixing block 3 outside the front side of the connection groove 19.

[0037] The opening of the connecting groove 19 faces downward, and when the steel wire 5 needs to be removed, the steel wire 5 can be moved out from the bottom of the connecting groove 19.

[0038] Example 7: Figure 1 As shown, as an optimization of the above embodiment, a fastening block 2 that can slide back and forth is installed in the slide groove 18, and a groove 17 for fastening the power transmission line is provided on the side where the fastening blocks 2 are close to each other.

[0039] Example 8: Figure 1 、 2As shown, as an optimization of the above embodiment, the assembly block 6 is arc-shaped; the lower part of the limiting plate 7 is provided with a through groove 20 corresponding to the front and rear of the groove 17 of the fastening block 2.

[0040] The assembly block 6 is arc-shaped, which is convenient for fixing to the fixing piece on the power pole. The through slot 20 is for facilitating the placement of the power line in the groove 17 of the fastening block 2.

[0041] like Figure 1 As shown, the working process of the present invention is as follows: Step 1. When it is necessary to quickly install and clamp the high-voltage transmission line (i.e., the transmission line), pull the fastening block 2 backward to move the fastening block 2 out from the rear of the housing 1, then place one end of the transmission line between the grooves 17 of the fastening block 2, and then push the push plate 8 forward to move the limit plate 7 forward. After the limit plate 7 contacts the rear end of the fastening block 2, it pushes the fastening block 2 forward, thereby clamping and fixing the transmission line; while the limit plate 7 moves forward, the ratchet bar 9 moves forward along the guide rail 10, so that the clamping plate 11 rotates clockwise along the fixed axis 13, and the torsion spring 12 is deformed until the clamping plate 11 engages with the ratchet teeth 16 of the ratchet bar 9, thereby limiting and locking the fastening block 2.

[0042] Step 2, then pull the limit column 4 on one side to disengage the limit column 4 from the fixed block 3, then pull the steel wire 5 out of the connecting groove 19 on the fixed block 3, then pass the pulled limit column 4 and the steel wire 5 through the fixing piece on the electric pole, hang the assembly block 6 on the fixing piece, then pass the steel wire 5 through the connecting groove 19 on the fixed block 3, and then pull the steel wire 5 to move, so that the limit column 4 is engaged with the fixed block 3 for fixation.

[0043] Step 3, then repeat the above operation to fix the other end of the transmission line on the device of the present invention, and fix the device of the present invention on the fixing part on the power pole, and then fix the transmission line on the transmission tower or pole tower.

[0044] Step 4, when it is necessary to disassemble or replace the power transmission line, by pressing the unlocking block 14, the clamping plate 11 rotates counterclockwise along the fixed axis 13, the clamping plate 11 disengages from the ratchet 9, and the torsion spring 12 resets, the clamping plate 11 and the ratchet 9 are unlocked; then the limiting plate 7 is pulled backward, the limiting plate 7 moves backward, so that the push plate 8 and the ratchet 9 move backward, and then the fastening block 2 is pulled backward, and then the power transmission line is removed from the fastening block 2 for replacement. Then pull the limiting column 4 on one side to disengage the limiting column 4 from the fixing block 3, and then pull the steel wire 5 out of the opening on the fixing block 3, thereby removing the limiting column 4 on one side, so that the assembly block 6 is disengaged from the fixing part on the power pole, and then the device can be removed and replaced.

[0045] Then repeat the above steps 1 to 3 to reinstall the power transmission line and the device, so that the power transmission line can be quickly fixed and installed while the fastening block 2 can be limited and locked to prevent loosening or loose fastening, thereby enhancing the stability and safety of use and facilitating rapid assembly and disassembly and maintenance of the power transmission line.

[0046] The above technical features respectively constitute the embodiments of the present invention, which have strong adaptability and implementation effect. Non-essential technical features can be added or removed according to actual needs to meet the requirements of different situations.

Claims

1. A quick-install tension clamp device for high-voltage transmission lines, characterized in that: It includes a shell, a steel wire, an assembly block and a limit component. A slide groove for slidingly installing a fastening block is provided in the shell. Fixed blocks are connected to the left and right sides of the rear of the shell. Limit columns are clamped on the fixed blocks. Steel wires are connected to the rear sides of the limit columns. The assembly block is connected to the limit columns through the steel wires. A limit component for limiting the fastening block is provided on the shell.

2. The quick installation tension clamp device for high voltage transmission lines according to claim 1, characterized in that: The limiting assembly includes a limiting plate, a push plate, a ratchet, a guide rail and a fixed shaft. Two guide rails are fixedly connected to the upper side of the sleeve. A ratchet that can slide back and forth is slidably connected between the two guide rails. The rear side of the ratchet is connected to a limiting plate located at the rear of the sleeve. A push plate is connected to the upper side of the limiting plate. A fixed shaft is connected between the top surfaces of the rear parts of the two guide rails. A sleeve is sleeved in the middle of the fixed shaft. A gap is provided between the inner wall of the sleeve and the outer wall of the fixed shaft. A clamping plate is fixedly connected to the front side of the sleeve, and the clamping plate can be clamped with the ratchet. Torsion springs are respectively connected between the left end of the sleeve and the left end of the fixed shaft, and between the right end of the sleeve and the right end of the fixed shaft.

3. The quick installation tension clamp device for high voltage transmission lines according to claim 2, characterized in that: The rear side of the sleeve is fixedly connected with an unlocking block.

4. The quick-install tension clamp device for high-voltage transmission lines according to claim 2 or 3, characterized in that: Ratchet teeth with tooth tips facing backwards are arranged at intervals on the front and rear of the ratchet bar, and the clamping plate can be clamped with the ratchet teeth of the ratchet bar.

5. The quick-installation tension clamp device for high-voltage transmission lines according to claim 1, 2 or 3, characterized in that: The chute is in a trapezoidal shape that is narrow in the front and wide in the back. The chute is connected from front to back and an opening is provided at the bottom of the chute.

6. The quick-install tension clamp device for high-voltage transmission lines according to claim 4, characterized in that: The fixed block is provided with a connection groove with an opening facing downwards, and the connection groove is through-through, and the limit column is clamped on the fixed block outside the front side of the connection groove; Or / and, the assembly block is arc-shaped.

7. The quick-install tension clamp device for high-voltage transmission lines according to claim 1, 2 or 3, characterized in that: A fastening block that can slide back and forth is installed in the slide groove, and a groove for fastening the power transmission line is opened on the side where the fastening blocks are close to each other.

8. The quick-install tension clamp device for high-voltage transmission lines according to claim 4, characterized in that: A fastening block that can slide back and forth is installed in the slide groove, and a groove for fastening the power transmission line is opened on the side where the fastening blocks are close to each other.

9. The quick-install tension clamp device for high-voltage transmission lines according to claim 5, characterized in that: A fastening block that can slide back and forth is installed in the slide groove, and a groove for fastening the power transmission line is opened on the side where the fastening blocks are close to each other.

10. The quick-install tension clamp device for high-voltage transmission lines according to claim 9, characterized in that: The lower part of the limiting plate is provided with a through groove corresponding to the front and rear of the groove of the fastening block.

Citation Information

Patent Citations

  • Power transmission line mounting and clamping device

    CN115967045A

  • Strain clamp device of high-voltage power transmission line

    CN119765161A