Power line cable tensioning device

Abstract

The invention discloses an electric power line cable tensioning device, and particularly relates to the technical field of cable tensioning, the electric power line cable tensioning device mainly comprises a tensioning platform, a roller wheel and a plurality of middle holes, the roller wheel is located above the tensioning platform, the middle holes are formed in the inner wall of the roller wheel, the middle holes are sequentially arranged at equal intervals from left to right, side holes are formed in the upper portion and the lower portion of each middle hole, and the side holes are communicated with the middle holes. A synchronous docking mechanism is mounted at the top end of the outer wall of the tensioning platform; the synchronous butt joint mechanism comprises a rectangular frame fixedly installed at the top end of the outer wall of the tensioning platform, and a supporting plate is welded to one side of the rectangular frame. Through the synchronous butt joint mechanism, multiple cables penetrate into multiple middle holes and multiple side holes from the outer wall of a linkage roller, a pressure sensor drives a push block to move rightwards, a linkage plate drives multiple sleeving sliding blocks to move rightwards along the outer wall of a sliding column, and the pressure value sensed by the pressure sensor is the same as the pressure value set by a controller; if yes, the electric cylinder is closed through the controller, and the multiple cables are synchronously tensioned according to the specified tensioning force.

Description

Technical Field

[0001] The present invention relates to the technical field of cable tensioning, and more particularly to a power line cable tensioning device. Background Art

[0002] The main function of the power line cable tensioning device is to maintain the tension of the wires and prevent the wires from becoming loose due to gravity or wind, thereby avoiding various accidents. At the same time, it can also help the power lines adjust the balance tension to keep the power lines in good condition. In the existing public literature, the patent publication number CN112234509A discloses a cable tensioning device for laying power lines, which is fixedly connected to a rolling table at one end of the upper part of the moving base away from the arc-shaped groove plate, and the moving groove of the rolling table is rotatably connected to a routing roller, and the top of the moving groove is fixedly installed with a second motor, which is convenient for cable fixing, reduces work intensity, and speeds up work efficiency. It is mainly used for cable laying. The tensioning device has the following defects.

[0003] When the tensioning device is tightening the cable, since there are multiple cables, the tension value it bears each time during the tensioning process is different. The force exerted on each cable during tensioning is difficult to control accurately, which will cause some cables to be tighter while others are looser, making it difficult to achieve accurate tensioning of multiple cables. Therefore, a power line cable tensioning device is needed. Summary of the invention

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a power line cable tensioning device.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a power line cable tensioning device, comprising a tensioning platform, a roller and a plurality of middle holes, wherein the roller is located above the tensioning platform, the plurality of middle holes are opened on the inner wall of the roller, the plurality of middle holes are arranged equidistantly from left to right, and side holes are provided above and below each of the middle holes, and a synchronous docking mechanism is installed at the top of the outer wall of the tensioning platform; the synchronous docking mechanism comprises a rectangular frame fixedly installed at the top of the outer wall of the tensioning platform, and a support plate is welded on one side of the rectangular frame, and a plurality of slidingly connected sleeve sliders are installed on the inner wall of the rectangular frame, and an extrusion plate is fixedly connected to one side of each sleeve slider, and the extrusion plate is slidably connected to the tensioning platform; a linkage plate is fixedly installed on the other side of the sleeve slider, a push block is welded on one side of the linkage plate, a pressure sensor is fixedly installed on one side of the push block, and an electric cylinder is fixedly connected on one side of the pressure sensor, and the electric cylinder is used to push the pressure sensor to move; a precise tightening assembly is installed at one end of the roller; and a guide assembly is installed on one side of the tensioning platform.

[0006] Preferably, multiple sleeve sliders are equidistantly arranged in sequence from left to right, and the linkage plate is slidably connected to the rectangular frame, the outer wall of the sleeve slider is set to a smooth surface, the vertical cross-sectional area of ​​one side of the extrusion plate is smaller than the vertical cross-sectional area of ​​the other side, and multiple extrusion plates are equidistantly arranged in sequence from left to right, a bracket with an L-shaped cross-sectional shape is installed on one side of the electric cylinder, the rectangular frame and the electric cylinder are fixedly connected to the bracket, a sliding column fixedly connected to the rectangular frame is installed on the inner wall of the sleeve slider, and multiple sleeve sliders are slidably connected to the sliding column, a controller is fixedly installed at the top of the tensioning platform and near a corner line thereof; multiple moving wheels are fixedly installed at the bottom of the tensioning platform, and the moving wheels are used to move the tensioning platform.

[0007] According to the above technical solution, when tightening, the rectangular frame supports the bracket, the bracket supports the electric cylinder, the electric cylinder carries the pressure sensor to move, the push block drives the linkage plate to move right, and at the same time the linkage plate drives multiple sleeve sliders to move right along the outer wall of the slide column, and the multiple sleeve sliders respectively carry multiple extrusion plates to move right synchronously. The extrusion plate can be squeezed on the outer wall of the cable inside the two side holes, and the extrusion plate is squeezed on the outer wall of the cable inside the middle hole. When the pressure value sensed by the pressure sensor is the same as the pressure value set by the controller, the electric cylinder is closed by the controller.

[0008] Preferably, the precision tightening assembly comprises a transmission rod fixedly mounted on one end of the roller; The outer wall of the transmission rod is rotatably connected to a bearing frame, and the bearing frame is welded to the top of the tensioning platform; a linkage rod is cocentrically welded to one end of the bearing frame, and a docking rotating rod is inserted at one end of the linkage rod, and a reduction motor is coaxially connected to one end of the docking rotating rod, and the bottom end of the reduction motor is fixedly connected to the top of the tensioning platform; a driven rod is welded to the other end of the tensioning platform, and the outer wall of the driven rod is rotatably connected to a bearing sleeve frame, and the bottom end of the bearing sleeve frame is fixedly connected to the top of the tensioning platform; a torque sensor for sensing torque is fixedly installed on one end of the driven rod, and a connecting frame is installed on one side of the torque sensor, the torque sensor and the bearing sleeve frame are both fixedly connected to the connecting frame, the driven rod, the roller and the center point of the transmission rod are on the same horizontal line, and the reduction motor is used to drive the docking rotating rod to rotate.

[0009] According to the above technical solution, when tightening, the reduction motor drives the docking rotating rod to rotate, the linkage rod drives the transmission rod to rotate, the transmission rod rotates stably inside the bearing frame, the transmission rod carries the roller to rotate, and the roller realizes synchronous tightening of the cables inside the center hole and the cables inside the side hole. The driven rod rotates inside the bearing sleeve, and the torque sensor senses the torque of the driven rod. When the torque value sensed by the roller is the same as the torque set by the controller, the controller keeps the reduction motor rotating according to the specified torque.

[0010] Preferably, the guide assembly includes two support frames fixedly mounted on one side of the tensioning platform; a support frame is welded to the top of the support frame, and a plurality of socket plates are mounted on the inner wall of the support frame; a rectangular hole is opened on the inner wall of each socket plate, and a linkage roller is rotatably connected to the inner wall of the rectangular hole, one end of the linkage roller is cocentrically fixedly connected to a transmission shaft, and the transmission shaft is rotatably connected to the socket plate, and the plurality of socket plates are equidistantly arranged in sequence from bottom to top, and the plurality of socket plates are fixedly connected to the support frame; the vertical cross-section of the support frame is concave.

[0011] According to the above technical solution, when tensioning, when the cable moves on the linkage roller, the linkage roller rotates, and the linkage roller drives the transmission shaft to rotate. The transmission shaft rotates on the inner wall of the socket plate. The support frame provides stable support for multiple socket plates, and can guide the movement of multiple cables. Multiple cables can achieve precise guided movement, and multiple cables can stably achieve winding operations.

[0012] Technical effects and advantages of the present invention: 1. The present invention uses a synchronous docking mechanism to allow multiple cables to pass from the outer wall of the linkage roller into multiple middle holes and multiple side holes. The electric cylinder carries the pressure sensor to move, the pressure sensor drives the push block to move right, the linkage plate drives multiple sleeve slide blocks to move right along the outer wall of the slide column, the extrusion plate can be squeezed on the outer walls of the cables inside the two side holes, and the extrusion plate is squeezed on the outer wall of the cable inside the middle hole. If the pressure value sensed by the pressure sensor is the same as the pressure value set by the controller, the electric cylinder can be closed by the controller, and the multiple cables can be locked at a specified pressure, thereby achieving synchronous tightening of the multiple cables according to the specified tensioning force.

[0013] 2. The present invention adopts a precise tightening component, and the reduction motor is supported by the tightening platform. The reduction motor drives the docking rotating rod to rotate, and the linkage rod drives the transmission rod to rotate. The transmission rod rotates stably inside the bearing frame, and the transmission rod carries the roller to rotate. The roller realizes synchronous tightening of the cables inside the center hole and the cables inside the side hole. The torque sensor senses the torque of the driven rod. When the torque value sensed by the roller is the same as the torque set by the controller, the controller keeps the reduction motor rotating according to the specified torque, and the tightening operation is realized according to the specified torque.

[0014] 3. The present invention utilizes a guide component. When the cable moves on the linkage roller, the linkage roller is driven to rotate, and the linkage roller drives the transmission shaft to rotate. The transmission shaft rotates on the inner wall of the socket plate. The support frame firmly supports the support frame. The support frame provides stable support for multiple socket plates, and can guide the movement of multiple cables. Multiple cables can achieve precise guided movement, and multiple cables can be stably and synchronously reeled and tightened. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the local structure of the split rectangular frame and support plate of the present invention.

[0016] Figure 2 It is a schematic diagram of the structure of the power line cable tensioning device of the present invention from top view.

[0017] Figure 3 For the present invention Figure 1 Enlarged structural diagram at A in the middle.

[0018] Figure 4 It is a rear structural schematic diagram of the power line cable tensioning device of the present invention.

[0019] Figure 5 It is a schematic diagram of the partial structure of the connection between the roller and the driven rod of the present invention.

[0020] Figure 6 It is a schematic diagram of the front structural view of the guide assembly of the present invention.

[0021] The accompanying drawings are marked as follows: 1. tensioning platform; 2. roller; 3. center hole; 4. side hole; 5. rectangular frame; 6. support plate; 7. sleeve slider; 8. extrusion plate; 9. linkage plate; 10. push block; 11. pressure sensor; 12. electric cylinder; 13. bracket; 14. slide column; 15. controller; 16. moving wheel; 17. transmission rod; 18. bearing frame; 19. linkage rod; 20. docking rotating rod; 21. reduction motor; 22. driven rod; 23. bearing sleeve; 24. torque sensor; 25. connecting frame; 26. support frame; 27. sleeve plate; 28. rectangular hole; 29. ​​linkage roller; 30. transmission shaft; 31. support frame. DETAILED DESCRIPTION

[0022] 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.

[0023] As attached Figure 1-6 A power line cable tensioning device is shown, which is provided with a synchronous docking mechanism, a precise tightening component, and a guide component. The settings of each mechanism and component can achieve specified pressure locking for multiple cables, thereby achieving synchronous tightening of multiple cables according to a specified tensioning force. The specific structural settings of each mechanism and component are as follows.

[0024] In this technology, as shown in the attached Figure 1-3As shown, the synchronous docking mechanism includes a rectangular frame 5 fixedly mounted on the top of the outer wall of the tensioning platform 1, and a support plate 6 is welded to one side of the rectangular frame 5, and a plurality of slidingly connected sleeve sliders 7 are installed on the inner wall of the rectangular frame 5, and an extrusion plate 8 is fixedly connected to one side of each sleeve slider 7, and the extrusion plate 8 is slidingly connected to the tensioning platform 1; a linkage plate 9 is fixedly mounted on the other side of the sleeve slider 7, a push block 10 is welded to one side of the linkage plate 9, a pressure sensor 11 is fixedly mounted on one side of the push block 10, and an electric cylinder 12 is fixedly connected to one side of the pressure sensor 11, and the electric cylinder 12 is used to push the pressure sensor 11 to move; a precise tightening assembly is installed at one end of the roller 2; and a guide assembly is installed at one side of the tensioning platform 1.

[0025] In this technology, as shown in the attached Figure 2-3 As shown, a bracket 13 with an L-shaped cross section is installed on one side of the electric cylinder 12, and the rectangular frame 5 and the electric cylinder 12 are fixedly connected to the bracket 13. In order to facilitate the rectangular frame 5 to support the bracket 13, and the bracket 13 to support the electric cylinder 12, the stability of the use of the electric cylinder 12 is greatly increased. The inner wall of the sleeve slider 7 is installed with a slide column 14 fixedly connected to the rectangular frame 5, and multiple sleeve sliders 7 are slidably connected to the slide column 14. In order to facilitate the linkage plate 9 to drive multiple sleeve sliders 7 to move right along the outer wall of the slide column 14, and multiple sleeve sliders 7 to move right along the inner wall of the rectangular frame 5, it is convenient for multiple sleeve sliders 7 to achieve stable sliding. A controller 15 is fixedly installed at the top of the tensioning platform 1 and near one of its corner lines; multiple moving wheels 16 are fixedly installed at the bottom of the tensioning platform 1, and the moving wheels 16 are used to move the tensioning platform 1. In order to facilitate the movement of the tensioning platform 1, the tensioning platform 1 carries a plurality of moving wheels 16 to move, and the controller 15 starts the electric cylinder 12 to move the tensioning platform 1 to a specified position to reel and tighten the cable.

[0026] In this technology, as shown in the attached Figure 4-5As shown, the precision tightening assembly includes a transmission rod 17 fixedly mounted on one end of the roller 2; the outer wall of the transmission rod 17 is rotatably connected to a bearing frame 18, and the bearing frame 18 is welded to the top of the tensioning platform 1; a linkage rod 19 is cocentrically welded to one end of the bearing frame 18, and a docking rotating rod 20 is inserted at one end of the linkage rod 19, and a reduction motor 21 is coaxially connected to one end of the docking rotating rod 20, and the bottom end of the reduction motor 21 is fixedly connected to the top of the tensioning platform 1; a driven rod 22 is welded to the other end of the tensioning platform 1 , and the outer wall of the driven rod 22 is rotatably connected with a bearing sleeve 23, and the bottom end of the bearing sleeve 23 is fixedly connected to the top of the tensioning platform 1; a torque sensor 24 for sensing torque is fixedly installed at one end of the driven rod 22, and a connecting frame 25 is installed on one side of the torque sensor 24, the torque sensor 24 and the bearing sleeve 23 are fixedly connected to the connecting frame 25, the driven rod 22 and the center points of the roller 2 and the transmission rod 17 are on the same horizontal line, and the reduction motor 21 is used to drive the docking rotating rod 20 to rotate.

[0027] In this technology, as shown in the attached Figure 1-6 As shown, the guide assembly includes two support frames 26 fixedly mounted on one side of the tensioning platform 1; a support frame 31 is welded to the top of the support frame 26, and a plurality of sleeve plates 27 are mounted on the inner wall of the support frame 31; a rectangular hole 28 is opened on the inner wall of each sleeve plate 27, and a linkage roller 29 is rotatably connected to the inner wall of the rectangular hole 28, and a transmission shaft 30 is fixedly connected to one end of the linkage roller 29 cocentrically, and the transmission shaft 30 is rotatably connected to the sleeve plate 27. Multiple sleeve plates 27 are arranged equidistantly from bottom to top, and multiple sleeve plates 27 are fixedly connected to the support frame 31; the vertical cross-section of the support frame 31 is concave.

[0028] The working principle of the power line cable tensioning device in this embodiment is as follows: First, when the present invention is synchronously and accurately locked, multiple cables are inserted from the outer wall of the linkage roller 29 into multiple middle holes 3 and multiple side holes 4, and the tensioning platform 1 is moved, and the tensioning platform 1 carries multiple moving wheels 16 to move. At the same time, the controller 15 starts the electric cylinder 12, and the rectangular frame 5 supports the bracket 13, the bracket 13 supports the electric cylinder 12, the electric cylinder 12 carries the pressure sensor 11 to move, and the pressure sensor 11 drives the push block 10 to move right. The push block 10 drives the linkage plate 9 to move right, and at the same time, the linkage plate 9 drives multiple sleeve sliders 7 to move right along the outer wall of the slide column 14, and the multiple sleeve sliders 7 slide right along the inner wall of the rectangular frame 5, and the multiple sleeve sliders 7 carry multiple extrusion plates 8 to move right synchronously. The extrusion plate 8 can be squeezed on the outer wall of the cable inside the two side holes 4, and the extrusion plate 8 is squeezed on the outer wall of the cable inside the central hole 3, and the pressure sensor 11 senses the pressure. When the pressure value sensed by the pressure sensor 11 is the same as the pressure value set by the controller 15, the electric cylinder 12 is closed by the controller 15.

[0029] Secondly, when the present invention is precisely tightened, the reduction motor 21 is supported by the tensioning platform 1, and the reduction motor 21 drives the docking rotating rod 20 to rotate, and the docking rotating rod 20 carries the linkage rod 19 to rotate, and the linkage rod 19 drives the transmission rod 17 to rotate, and the transmission rod 17 stably rotates inside the bearing frame 18, so that the tensioning platform 1 can provide a firm support force for the bearing frame 18 and the bearing sleeve frame 23. The transmission rod 17 carries the roller 2 to rotate, and the roller 2 realizes synchronous tightening of the cables inside the center hole 3 and the cables inside the side hole 4. The roller 2 drives the driven rod 22 to rotate, and the driven rod 22 rotates inside the bearing sleeve frame 23. At the same time, the connecting frame 25 supports the torque sensor 24, and the torque sensor 24 realizes torque sensing of the driven rod 22. When the torque value sensed by the roller 2 is the same as the torque set by the controller 15, the controller 15 keeps the reduction motor 21 rotating according to the specified torque.

[0030] Finally, when the present invention performs guided sliding, when the cable moves on the linkage roller 29, the linkage roller 29 rotates, and the linkage roller 29 rotates inside the rectangular hole 28. At the same time, the linkage roller 29 drives the transmission shaft 30 to rotate, and the transmission shaft 30 rotates on the inner wall of the socket plate 27. The support frame 26 firmly supports the support frame 31, and the support frame 31 provides stable support for multiple socket plates 27, so that multiple cables can be guided and moved. Multiple cables can achieve precise guided movement to avoid scratches on the cables and cable tilt and lateral deviation, and multiple cables can stably achieve winding operations.

[0031] The contents not described in detail in the specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used. In this technical solution, the electrical control components not mentioned are not shown in the figure because they belong to the prior art and will not be described here.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A power line cable tensioning device, comprising a tensioning platform (1), a roller (2) and a plurality of center holes (3), wherein the roller (2) is located above the tensioning platform (1), the plurality of center holes (3) are all opened on the inner wall of the roller (2), the plurality of center holes (3) are arranged equidistantly from left to right, and each of the center holes (3) is provided with side holes (4) above and below, characterized in that: A synchronous docking mechanism is installed at the top end of the outer wall of the tensioning platform (1); The synchronous docking mechanism comprises a rectangular frame (5) fixedly mounted on the top of the outer wall of the tensioning platform (1), and a support plate (6) is welded to one side of the rectangular frame (5), and a plurality of slidably connected sleeve sliders (7) are mounted on the inner wall of the rectangular frame (5), and one side of each sleeve slider (7) is fixedly connected to an extrusion plate (8), and the extrusion plate (8) is slidably connected to the tensioning platform (1); A linkage plate (9) is fixedly mounted on the other side of the sleeve sliding block (7), a push block (10) is welded to one side of the linkage plate (9), a pressure sensor (11) is fixedly mounted on one side of the push block (10), and an electric cylinder (12) is fixedly connected to one side of the pressure sensor (11), the electric cylinder (12) being used to push the pressure sensor (11) to move; A precision tightening component is installed at one end of the roller (2); A guide assembly is installed on one side of the tensioning platform (1).

2. The power line cable tensioning device according to claim 1, characterized in that: The plurality of sleeve sliding blocks (7) are arranged in equidistant order from left to right, and the linkage plate (9) is slidably connected to the rectangular frame (5), and the outer wall of the sleeve sliding block (7) is set to be a smooth surface.

3. The power line cable tensioning device according to claim 1, characterized in that: The vertical cross-sectional area of ​​one side of the extrusion plate (8) is smaller than the vertical cross-sectional area of ​​the other side thereof, and a plurality of the extrusion plates (8) are arranged in sequence and at equal intervals from left to right.

4. The power line cable tensioning device according to claim 1, characterized in that: A bracket (13) having an L-shaped cross-section is installed on one side of the electric cylinder (12), and the rectangular frame (5) and the electric cylinder (12) are fixedly connected to the bracket (13).

5. The power line cable tensioning device according to claim 1, characterized in that: A sliding column (14) fixedly connected to the rectangular frame (5) is installed on the inner wall of the sleeve sliding block (7), and a plurality of the sleeve sliding blocks (7) are all slidably connected to the sliding column (14).

6. The power line cable tensioning device according to claim 1, characterized in that: A controller (15) is fixedly installed at the top of the tensioning platform (1) and close to a corner line thereof; A plurality of moving wheels (16) are fixedly mounted on the bottom end of the tensioning platform (1), and the moving wheels (16) are used to move the tensioning platform (1).

7. The power line cable tensioning device according to claim 1, characterized in that: The precise tightening assembly comprises a transmission rod (17) fixedly mounted on one end of the roller (2); The outer wall of the transmission rod (17) is rotatably connected to a bearing frame (18), and the bearing frame (18) is welded to the top of the tensioning platform (1); A linkage rod (19) is cocentrically welded to one end of the bearing frame (18), and a docking rotating rod (20) is inserted into one end of the linkage rod (19), and a reduction motor (21) is coaxially connected to one end of the docking rotating rod (20), and the bottom end of the reduction motor (21) is fixedly connected to the top end of the tensioning platform (1); A driven rod (22) is welded to the other end of the tensioning platform (1), and a bearing sleeve (23) is rotatably connected to the outer wall of the driven rod (22), and the bottom end of the bearing sleeve (23) is fixedly connected to the top end of the tensioning platform (1); A torque sensor (24) for sensing torque is fixedly mounted on one end of the driven rod (22), and a connecting frame (25) is mounted on one side of the torque sensor (24), and the torque sensor (24) and the bearing sleeve (23) are both fixedly connected to the connecting frame (25).

8. The power line cable tensioning device according to claim 7, characterized in that: The center points of the driven rod (22), the roller (2) and the transmission rod (17) are on the same horizontal line, and the reduction motor (21) is used to drive the docking rotating rod (20) to rotate.

9. The power line cable tensioning device according to claim 1, characterized in that: The guide assembly comprises two support frames (26) fixedly mounted on one side of the tensioning platform (1); A support frame (31) is welded to the top end of the support frame (26), and a plurality of socket plates (27) are mounted on the inner wall of the support frame (31); A rectangular hole (28) is provided on the inner wall of each sleeve plate (27), a linkage roller (29) is rotatably connected to the inner wall of the rectangular hole (28), one end of the linkage roller (29) is cocentrically fixedly connected to a transmission shaft (30), and the transmission shaft (30) is rotatably connected to the sleeve plate (27).

10. The power line cable tensioning device according to claim 9, characterized in that: The plurality of sleeve plates (27) are arranged in sequence and equidistantly from bottom to top, and the plurality of sleeve plates (27) are all fixedly connected to the support frame (31); The vertical cross-section of the support frame (31) is concave.

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