A cable tightening device for double-row cable installation

Abstract

The present invention discloses a cable tightening device for double-row cable installation, which relates to the technical field of cable harnessing, including two support frames, each of which is hinged with a connecting rod on one side of the two support frames, and each of which is hinged with a movable block on the other end of the two groups of connecting rods. The device also includes: a pre-tightening component, which is arranged between the two support frames and on both sides, and the pre-tightening component includes a hollow rod, a fixing component, which is symmetrically arranged on the side where the two support frames are far away from each other, and the fixing component is used to fix the cable to reduce the swing amplitude of the cable, and an adjusting component is arranged in the middle between the two support frames, and the adjusting component is used to adjust the spacing between the two support frames; so that the cables can be pre-tightened while the spacing between the two rows of cables is increased, and the cables can be prevented from being entangled and loosened at the same time, which is convenient for the staff to operate, and the cables can be quickly pre-tightened, which reduces the time of high-altitude operations and improves convenience and safety.

Description

Technical Field

[0001] The invention relates to the technical field of cable harnesses, and in particular to a cable harness tightening device for installing double-row cables. Background Art

[0002] A cable is a device for transmitting electrical energy or signals, usually consisting of several or several groups of wires. Cables can be used to transmit telecommunication signals or power.

[0003] For example, a cable tightening device for double-row cable installation with publication number CN117691528B can not only bundle the cables, but also pre-tighten the cables with the cooperation of the rotating parts and the sliding parts, thereby preventing the cables from loosening and sagging and causing mutual entanglement between adjacent cables, greatly ensuring the cable bundling effect. However, in actual use, after the spacing between the cables is adjusted, the cable pre-tightening parts need to be operated to pre-tighten the cables. During the cable pre-tightening process, the threaded rod and the rotating rod need to be rotated. The operation of cable pre-tightening is cumbersome and inconvenient for staff to operate. Moreover, the cables are usually installed at high altitudes. If the pre-tightening of the cables takes a long time, the high-altitude working time of the staff will also increase. High-altitude working has certain risks. If the cables cannot be pre-tightened quickly, the risk of cable pre-tightening will increase to a certain extent, and there are certain defects in use.

[0004] Therefore, we propose a cable tightening device for double-row cable installation to solve the above problems. Summary of the invention

[0005] The object of the present invention is to provide a cable tightening device for double-row cable installation, so as to solve the problem proposed in the above-mentioned background technology that after the spacing between the cables is adjusted, the cable pre-tightening member needs to be operated to pre-tighten the cables. During the cable pre-tightening process, the threaded rod and the rotating rod need to be rotated, and the operation of cable pre-tightening is relatively cumbersome and inconvenient for workers to operate. In addition, the cables are usually installed at high altitudes. If the pre-tightening of the cables takes a long time, the high-altitude working time of the workers will also increase. High-altitude working has certain risks. If the cables cannot be pre-tightened quickly, the risk of cable pre-tightening will increase to a certain extent.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a cable tightening device for double-row cable installation, comprising two support frames, each of the two support frames having a connecting rod hinged on one side close to the other, and two sets of connecting rods having a movable block hinged on one end close to the other;

[0007] Also includes:

[0008] A pre-tightening assembly is arranged between and on both sides of the two support frames, and the pre-tightening assembly includes a hollow rod;

[0009] The fixing components are symmetrically arranged on the sides away from the two support frames, and are used to fix the cables to reduce the swing amplitude of the cables;

[0010] An adjustment component is arranged in the middle between the two support frames, and the adjustment component is used to adjust the distance between the two support frames;

[0011] The hollow rod is symmetrically installed on both sides of the two movable blocks, and a sliding groove is symmetrically opened on one side of the two support frames, and the hollow rod is slidably connected to the sliding groove, and a guide rod is fixedly installed on one side of the two groups of hollow rods, and a positioning block is slidably connected to the outer side of the guide rod, and the two groups of positioning blocks are respectively fixedly connected to the two support frames, and a threaded sleeve is movably connected to the inner side of the two groups of hollow rods, and an annular groove is opened inside the hollow rod outside the threaded sleeve, and a positioning ring is fixedly installed on the outer side of the threaded sleeve, and the positioning ring is slidably connected to the annular groove;

[0012] The threaded rod is threadedly connected to the inside of the threaded sleeve, a rotating gear is fixedly installed on one side of the outside of the threaded sleeve, and a rack is fixedly installed on one side of the inner bottom end of the sliding groove, and the rotating gear is meshed with the rack, and at the same time, one end of the threaded rod is rotatably connected to a mounting plate, and a mounting frame is symmetrically installed on one side of the mounting plate away from the threaded rod;

[0013] The guide wheel is rotatably connected between the mounting frames, the two mounting frames are symmetrically mounted with fixed frames on both sides, and a roller is rotatably connected between the two fixed frames.

[0014] Preferably, the fixing assembly includes a fixing plate symmetrically installed on one side of the two support frames away from each other, and a fixing seat is fixedly installed on one side of the fixing plate, and a mounting seat is provided on one side of the fixing seat, and connecting parts are symmetrically installed on both sides between the fixing seat and the mounting seat, and the two sets of connecting parts are fixedly connected by bolts.

[0015] By adopting the above technical solution, it is convenient for workers to fix the cables.

[0016] Preferably, clamps are symmetrically arranged between the fixed seat and the mounting seat, and rubber pads are fixedly installed on one side of the two clamps, and T-shaped arc grooves are opened inside the fixed seat and the mounting seat, and T-shaped arc blocks are slidably connected inside the T-shaped arc grooves, and the T-shaped arc blocks are fixedly connected to the clamps.

[0017] By adopting the above technical solution, the clamping plate can be rotated in a circle, and the rotation of the clamping plate can be limited.

[0018] Preferably, a positioning frame is fixedly installed on one side of the fixed plate of the support frame, and the positioning frame is internally rotatably connected to a rotating rod, and a driven gear is fixedly installed on one end of the rotating rod. At the same time, an arc plate is fixedly installed on one side of the clamping plate on the fixed seat, and a plurality of teeth are fixedly installed on one side of the arc plate, and the driven gear is meshingly connected with the teeth.

[0019] By adopting the above technical solution, the swing of the cable can drive the rotating rod to rotate.

[0020] Preferably, a bidirectional cam is fixedly installed on one end of the rotating rod away from the driven gear, and a damping rod is symmetrically installed on one side of the positioning frame on the support frame, and a buffer spring is provided on the outer sleeve of the damping rod, and one end of the buffer spring is fixedly connected to the support frame, and a movable plate is fixedly installed on the other end of the damping rod and the buffer spring, and the bidirectional cam is slidably connected to the movable plate.

[0021] By adopting the above technical solution, the rotation of the rotating rod can be buffered and the amplitude of the cable shaking can be reduced.

[0022] Preferably, the adjustment assembly includes a U-shaped frame fixedly installed on one side of the middle part of one support frame, and an adjustment rod is fixedly installed on the middle part of one side of the other support frame, and the adjustment rod is slidably connected to the U-shaped frame, and at the same time, a fixed block is symmetrically installed on one side of the U-shaped frame, and a positioning rod is slidably connected inside the fixed block, and a number of positioning grooves are symmetrically opened on both sides of the adjustment rod, and the positioning rod is snap-connected to the positioning groove.

[0023] By adopting the above technical solution, the distance between the two support frames can be adjusted to avoid entanglement of two rows of cables.

[0024] Preferably, a telescopic spring is sleeved on one side of the exterior of the two positioning rods, one end of the telescopic spring is fixedly connected to the fixing block, and the other end of the telescopic spring is fixedly installed with a connecting block, and the connecting block is fixedly connected to the positioning rod.

[0025] By adopting the above technical solution, the positioning rod can be automatically reset after moving, which facilitates the positioning of the adjustment rod.

[0026] Preferably, a T-shaped block is fixedly installed on the top of the two connecting blocks, and a connecting frame is fixedly installed on one side of the U-shaped frame above the adjusting rod, and a rotating shaft is rotatably connected inside the connecting frame, and a knob is fixedly installed on the top of the rotating shaft, and a double-headed cam is fixedly installed on the bottom of the rotating shaft, and the double-headed cam is slidably connected to the two T-shaped blocks.

[0027] By adopting the above technical solution, the rotation of the rotating shaft can drive the two positioning rods to move away from each other at the same time, thereby facilitating the adjustment of the positions of the adjusting rods and improving convenience.

[0028] Compared with the prior art, the beneficial effects of the present invention are as follows: the cable tightening device for double-row cable installation has pre-tightening components symmetrically arranged between the two support frames and on both sides, so that the cables can be pre-tightened while increasing the distance between the two rows of cables, thereby preventing the cables from being entangled and loose, facilitating the operation of the staff, and quickly pre-tightening the cables, reducing the time of high-altitude operations, and improving convenience and safety;

[0029] The two supports are symmetrically arranged with a pre-tightening assembly between the two support frames and on both sides. The spacing between the two support frames can be adjusted by adjusting the assembly, so that the spacing between the two rows of cables can be adjusted. After the two support frames move away from each other, the connecting rod rotates, so that the movable block can be driven to move, so that the hollow rod moves. While the hollow rod moves, the guide rod is driven to slide on the positioning block for limiting. The hollow rod can slide inside the sliding groove, and the threaded sleeve can be driven to rotate by the engagement of the rotating gear and the rack. After the threaded sleeve rotates, the threaded rod can be extended out of the hollow rod through the threaded connection with the threaded rod, and the cable is stuck on the guide wheel and limited by the roller shaft, so that the threaded rod will not rotate with the threaded sleeve, so that the two groups of threaded rods drive the two groups of mounting plates away from the support frame, and the guide wheel can push the cable to bend, so that the loose cable can be supported and pre-tightened. The pre-tightening assembly can increase the spacing between the two rows of cables while pre-tightening the cables, so that the cables can be prevented from being entangled and loosened at the same time, which is convenient for the staff to operate, and the cables can be quickly pre-tightened, which reduces the time of high-altitude operations and improves convenience and safety.

[0030] When the cable is fixed on the support frame, the cable is placed between the fixing seat and the mounting seat, and then the fixing seat and the mounting seat are fixed by the bolts on the connecting piece to position the cable. When the cable is installed in the air, the cable will swing under a certain wind force. Since the clamping plate is fixed on the outside of the cable, the swing of the cable will drive the two clamping plates to swing, thereby causing the T-shaped arc block to rotate inside the T-shaped arc groove. After the clamping plate on the fixing seat rotates, the arc plate can be driven to rotate. After the arc plate rotates, the meshing of the teeth and the driven gear drives the rotating rod to rotate. After the rotating rod rotates, the bidirectional cam can be driven to rotate. Regardless of whether the rotating rod rotates counterclockwise or clockwise, the movable plate can be pushed to move, so that the damping rod and the buffer spring can be compressed, and then the rotation of the rotating rod can be rotated, so that the swing amplitude of the clamping plate can be buffered. The fixing component facilitates the fixing of the cable, and the cable can buffer the swing when it is swinging, thereby reducing the swing amplitude of the cable, avoiding friction damage to the connection caused by excessive swing amplitude of the cable, and improving the service life of the cable.

[0031] The two cams can be moved away from each other by rotating the knob to move the two T-shaped blocks away from each other, thereby driving the positioning rod to move via the connecting block, and stretching the telescopic spring to disengage the positioning rod from the positioning groove on the adjusting rod, thereby adjusting the spacing between the two supporting frames. After adjustment, the positioning rod is aligned with the other positioning groove, and then the knob can be loosened to engage the positioning rod with the positioning groove under the action of the telescopic spring, so that the adjusting rod is positioned. The spacing between the two supporting frames can be easily adjusted through the adjusting assembly, which is convenient for the staff to operate and improves convenience and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0033] Figure 2 It is a schematic diagram of the local structure of the pre-tightening assembly of the present invention;

[0034] Figure 3 This is a schematic diagram of the internal structure of the hollow rod of the present invention;

[0035] Figure 4 It is a schematic diagram of the local structure of the pre-tightening assembly of the present invention;

[0036] Figure 5 It is a schematic diagram of the three-dimensional cross-sectional structure of the fixing assembly of the present invention;

[0037] Figure 6 For the present invention Figure 5 A schematic diagram of the enlarged structure of the middle A area;

[0038] Figure 7 It is a schematic diagram of the three-dimensional structure of the fixing assembly of the present invention;

[0039] Figure 8 It is a schematic diagram of the three-dimensional cross-sectional structure of the adjustment component of the present invention;

[0040] Fig. 9 It is a schematic diagram of the three-dimensional structure of the adjustment component of the present invention.

[0041] In the figure: 1, support frame; 101, connecting rod; 102, movable block; 2, pre-tightening assembly; 201, hollow rod; 202, sliding groove; 203, positioning block; 204, guide rod; 205, threaded sleeve; 206, annular groove; 207, positioning ring; 208, threaded rod; 209, rotating gear; 210, rack; 211, mounting plate; 212, mounting frame; 213, guide wheel; 214, fixing frame; 215, roller shaft; 3, fixing assembly; 301, fixing plate; 302, fixing seat; 303, mounting seat; 304, connecting piece; 305, clamping plate; 3051, Arc plate; 306, rubber pad; 307, T-shaped arc groove; 3071, T-shaped arc block; 308, positioning frame; 309, rotating rod; 310, teeth; 311, driven gear; 312, two-way cam; 313, damping rod; 314, buffer spring; 315, movable plate; 4, adjustment assembly; 401, U-shaped frame; 402, adjustment rod; 403, fixed block; 404, positioning rod; 405, positioning groove; 406, telescopic spring; 407, connecting block; 408, T-shaped block; 409, connecting frame; 410, rotating shaft; 411, knob; 412, double-headed cam. DETAILED DESCRIPTION

[0042] 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.

[0043] See also Figure 1-Figure 9 The present invention provides a technical solution: a cable tightening device for double-row cable installation, comprising two support frames 1, each of the two support frames 1 having a connecting rod 101 hinged on one side thereof, and a movable block 102 hinged on one end thereof;

[0044] Also includes:

[0045] The pre-tightening assembly 2 is arranged between and on both sides of the two support frames 1, and the pre-tightening assembly 2 includes a hollow rod 201;

[0046] The hollow rod 201 is symmetrically installed on both sides of the two movable blocks 102, and the sliding groove 202 is symmetrically opened on one side of the two support frames 1, and the hollow rod 201 is slidably connected to the sliding groove 202, and the two groups of hollow rods 201 are fixedly installed with a guide rod 204 on one side, and the outer side of the guide rod 204 is slidably connected with a positioning block 203, and the two groups of positioning blocks 203 are respectively fixedly connected to the two support frames 1, and the inner side of the two groups of hollow rods 201 is movably connected with a threaded sleeve 205, and the inner part of the hollow rod 201 is provided with an annular groove 206 outside the threaded sleeve 205, and the outer side of the threaded sleeve 205 is fixedly installed with a positioning ring 207, and the positioning ring 207 is slidably connected to the annular groove 206;

[0047] The threaded rod 208 is threadedly connected to the inside of the threaded sleeve 205, a rotating gear 209 is fixedly installed on the outer side of the threaded sleeve 205, and a rack 210 is fixedly installed on the inner bottom end of the sliding groove 202, and the rotating gear 209 is meshed and connected with the rack 210, and at the same time, one end of the threaded rod 208 is rotatably connected to a mounting plate 211, and a mounting frame 212 is symmetrically installed on the side of the mounting plate 211 away from the threaded rod 208;

[0048] The guide wheel 213 is rotatably connected between the mounting frames 212 . The two mounting frames 212 are symmetrically mounted with fixing frames 214 on both sides, and a roller shaft 215 is rotatably connected between the two fixing frames 214 .

[0049] Embodiment 1: Figure 1-Figure 4 As shown, a preload assembly 2 is symmetrically arranged between the two support frames 1 and on both sides. The spacing between the two support frames 1 can be adjusted by adjusting the assembly 4, so that the spacing between the two rows of cables can be adjusted. After the two support frames 1 move away from each other, the connecting rod 101 rotates, so that the movable block 102 can be driven to move, so that the hollow rod 201 moves. When the hollow rod 201 moves, it drives the guide rod 204 to slide on the positioning block 203 to limit the position. The hollow rod 201 can slide inside the sliding groove 202, and the threaded sleeve 205 can be driven to rotate by rotating the gear 209 and the meshing of the rack 210. After the threaded sleeve 205 rotates, it can be screwed with the thread of the threaded rod 208 The threaded connection allows the threaded rod 208 to extend out of the hollow rod 201, and the cable is stuck on the guide wheel 213, and is limited by the roller 215, so that the threaded rod 208 will not rotate with the threaded sleeve 205, so that the two groups of threaded rods 208 drive the two groups of mounting plates 211 away from the support frame, and the guide wheel 213 can push the cable to bend, so that the loose cable can be supported and pre-tightened. The pre-tightening component 2 can increase the distance between the two rows of cables and pre-tighten the cables at the same time, so as to avoid cable entanglement and cable loosening at the same time, which is convenient for staff to operate, can quickly pre-tighten the cables, reduce the time of high-altitude operations, and improve convenience and safety.

[0050] The fixing assembly 3 is symmetrically arranged on the side away from the two support frames 1, and the fixing assembly 3 is used to fix the cable to reduce the swing amplitude of the cable;

[0051] The fixing assembly 3 includes a fixing plate 301 symmetrically mounted on one side of the two support frames 1, and a fixing seat 302 is fixedly mounted on one side of the fixing plate 301, and a mounting seat 303 is arranged on one side of the fixing seat 302, and connecting members 304 are symmetrically mounted on both sides between the fixing seat 302 and the mounting seat 303, and the two groups of connecting members 304 are fixedly connected by bolts;

[0052] Clamps 305 are symmetrically arranged between the fixed seat 302 and the mounting seat 303, and rubber pads 306 are fixedly installed on one side of the two clamps 305, and T-shaped arc grooves 307 are opened inside the fixed seat 302 and the mounting seat 303, and T-shaped arc blocks 3071 are slidably connected inside the T-shaped arc grooves 307, and the T-shaped arc blocks 3071 are fixedly connected to the clamps 305;

[0053] The support frame 1 is fixedly mounted with a positioning frame 308 on one side of the fixed plate 301, and the positioning frame 308 is rotatably connected with a rotating rod 309 inside, and a driven gear 311 is fixedly mounted on one end of the rotating rod 309, and an arc plate 3051 is fixedly mounted on one side of the clamping plate 305 on the fixed seat 302, and a plurality of teeth 310 are fixedly mounted on one side of the arc plate 3051, and the driven gear 311 is meshed and connected with the teeth 310;

[0054] A bidirectional cam 312 is fixedly installed at one end of the rotating rod 309 away from the driven gear 311, and a damping rod 313 is symmetrically installed on one side of the positioning frame 308 of the support frame 1, and a buffer spring 314 is sleeved on the outside of the damping rod 313, and one end of the buffer spring 314 is fixedly connected to the support frame 1, and a movable plate 315 is fixedly installed on the other end of the damping rod 313 and the buffer spring 314, and the bidirectional cam 312 is slidably connected to the movable plate 315.

[0055] Embodiment 2: Figure 1 and Figure 5-Figure 7As shown, when the cable is fixed on the support frame, the cable is placed between the fixing seat 302 and the mounting seat 303, and then the fixing seat 302 and the mounting seat 303 are fixed by the bolts on the connecting piece 304 to position the cable. When the cable is erected in the air, the cable will swing under a certain wind force. Since the clamping plate 305 is fixed on the outside of the cable, the swing of the cable will drive the two clamping plates 305 to swing, thereby causing the T-shaped arc block 3071 to rotate inside the T-shaped arc groove 307. After the clamping plate 305 on the fixing seat 302 rotates, it can drive the arc plate 3051 to rotate. After the arc plate 3051 rotates, the teeth The meshing of 310 and the driven gear 311 drives the rotating rod 309 to rotate. After the rotating rod 309 rotates, it can drive the two-way cam 312 to rotate. No matter the rotating rod 309 rotates counterclockwise or clockwise, it can push the movable plate 315 to move, so that the damping rod 313 and the buffer spring 314 can be compressed, and then the rotation of the rotating rod 309 can be rotated, so that the swing amplitude of the clamping plate 305 can be buffered. The fixing component 3 is convenient for fixing the cable, and the cable can buffer the swing when it is swinging, reducing the swing amplitude of the cable, avoiding friction damage at the connection caused by excessive swing amplitude of the cable, and improving the service life of the cable.

[0056] An adjustment component 4 is arranged in the middle between the two support frames 1, and the adjustment component 4 is used to adjust the distance between the two support frames 1;

[0057] The adjustment assembly 4 includes a U-shaped frame 401 fixedly installed on one side of the middle part of the support frame 1 on one side, and an adjustment rod 402 is fixedly installed on the middle part of one side of the support frame 1 on the other side, and the adjustment rod 402 is slidably connected to the U-shaped frame 401, and a fixed block 403 is symmetrically installed on one side of the U-shaped frame 401, and a positioning rod 404 is slidably connected inside the fixed block 403, and a plurality of positioning grooves 405 are symmetrically opened on both sides of the adjustment rod 402, and the positioning rod 404 is engaged with the positioning groove 405;

[0058] A telescopic spring 406 is sleeved on one side of the outer side of the two positioning rods 404, and one end of the telescopic spring 406 is fixedly connected to the fixing block 403, and the other end of the telescopic spring 406 is fixedly installed with a connecting block 407, and the connecting block 407 is fixedly connected to the positioning rod 404;

[0059] A T-shaped block 408 is fixedly installed on the top of the two connecting blocks 407, and a connecting frame 409 is fixedly installed on one side of the U-shaped frame 401 above the adjusting rod 402, and the interior of the connecting frame 409 is rotatably connected to a rotating shaft 410, and a knob 411 is fixedly installed on the top of the rotating shaft 410, and a double-headed cam 412 is fixedly installed on the bottom of the rotating shaft 410, and the double-headed cam 412 is slidably connected to the two T-shaped blocks 408.

[0060] Embodiment 3: Figure 1 and Figure 8-Figure 9 As shown, an adjustment component 4 is provided in the middle of the two support frames 1. When adjusting the spacing of the support frames 1, the knob 411 is turned to drive the rotating shaft 410 to rotate. After the rotating shaft 410 rotates, the double-headed cam 412 can be driven to rotate. After the double-headed cam 412 rotates, the two T-shaped blocks 408 can be pushed away from each other at the same time, and then the positioning rod 404 can be driven to move through the connecting block 407, and the telescopic spring 406 can be stretched to make the positioning rod 404 disengage from the positioning groove 405 on the adjusting rod 402, so as to adjust the spacing of the two support frames 1. After adjustment, the positioning rod 404 is aligned with the other positioning groove 405, and then the knob 411 can be loosened, and the positioning rod 404 is engaged with the positioning groove 405 under the action of the telescopic spring 406, so that the adjusting rod 402 is positioned. The spacing of the two support frames 1 can be easily adjusted through the adjustment component 4, which is convenient for the staff to operate and improves convenience and practicality.

[0061] Working principle: When using the cable tie device for double-row cable installation, first, according to Figure 1-Figure 9As shown, when adjusting the spacing of the support frames 1, the knob 411 is turned to drive the rotating shaft 410 to rotate. After the rotating shaft 410 rotates, the double-headed cam 412 can be driven to rotate. After the double-headed cam 412 rotates, the two T-shaped blocks 408 can be pushed away from each other at the same time, and then the positioning rod 404 can be driven to move through the connecting block 407, and the telescopic spring 406 can be stretched to make the positioning rod 404 disengage from the positioning groove 405 on the adjusting rod 402, so that the spacing of the two support frames 1 can be adjusted. After adjustment, the positioning rod 404 is aligned with the other positioning groove 405, and then the knob 411 can be loosened, and the positioning rod 404 is aligned with the positioning groove 405 under the action of the telescopic spring 406. The positioning groove 405 is engaged to position the adjusting rod 402. After the two support frames 1 move away from each other, the connecting rod 101 rotates, so that the movable block 102 can be driven to move, so that the hollow rod 201 moves. While the hollow rod 201 moves, it drives the guide rod 204 to slide on the positioning block 203 to limit the position. The hollow rod 201 can slide inside the sliding groove 202, and the threaded sleeve 205 can be driven to rotate by rotating the gear 209 and the meshing of the rack 210. After the threaded sleeve 205 rotates, it can be connected with the threaded rod 208 through a thread so that the threaded rod 208 extends out of the hollow rod 201, and the cable is stuck on the guide wheel 213, through the roller 2 15 is limited so that the threaded rod 208 will not rotate with the threaded sleeve 205, so that the two groups of threaded rods 208 drive the two groups of mounting plates 211 away from the support frame, and the guide wheel 213 can push the cable to bend, so that the loose cable can be supported and pre-tightened. When the cable is fixed on the support frame, the cable is placed between the fixing seat 302 and the mounting seat 303, and then the fixing seat 302 and the mounting seat 303 are fixed by the bolts on the connecting member 304, so that the cable is positioned. When the cable is erected in the air, the cable will swing under a certain wind force. Since the clamping plate 305 is fixed on the outside of the cable, the cable swing will drive the two clamping plates 3 05 swings, so that the T-shaped arc block 3071 rotates inside the T-shaped arc groove 307, and the clamping plate 305 on the fixed seat 302 can drive the arc plate 3051 to rotate after the rotation, and the arc plate 3051 rotates after the rotation of the tooth 310 and the driven gear 311 drive the rotating rod 309 to rotate, and the rotating rod 309 can drive the two-way cam 312 to rotate after the rotation. No matter whether the rotating rod 309 rotates counterclockwise or clockwise, it can push the movable plate 315 to move, so that the damping rod 313 and the buffer spring 314 can be compressed, and then the rotation of the rotating rod 309 can be rotated, so that the swing amplitude of the clamping plate 305 can be buffered.

[0062] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0063] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cable tightening device for double-row cable installation, comprising two support frames (1), each of the two support frames (1) being hingedly connected to a connecting rod (101) on one side close to the other, and two sets of connecting rods (101) being hingedly connected to two movable blocks (102) on one end close to the other; It is characterized in that Also includes: A pre-tightening component (2) is arranged between and on both sides of the two support frames (1), and the pre-tightening component (2) comprises a hollow rod (201); The fixing assembly (3) is symmetrically arranged on one side of the two support frames (1) that is away from each other; An adjustment component (4) is arranged in the middle between the two support frames (1); The hollow rod (201) is symmetrically mounted on both sides of the two movable blocks (102); a sliding groove (202) is symmetrically penetrated on one side of the two support frames (1); the hollow rod (201) is slidably connected to the sliding groove (202); a guide rod (204) is fixedly mounted on one side of the two groups of hollow rods (201); a positioning block (203) is slidably connected to the outer side of the guide rod (204); and the two groups of positioning blocks (203) are respectively fixedly connected to the two support frames (1); a threaded sleeve (205) is movably connected to the inner side of the two groups of hollow rods (201); an annular groove (206) is formed inside the hollow rod (201) and outside the threaded sleeve (205); a positioning ring (207) is fixedly mounted on the outer side of the threaded sleeve (205); and the positioning ring (207) is slidably connected to the annular groove (206); A threaded rod (208) is threadedly connected to the inside of the threaded sleeve (205); a rotating gear (209) is fixedly installed on one side of the outside of the threaded sleeve (205); a rack (210) is fixedly installed on one side of the inner bottom end of the sliding groove (202); the rotating gear (209) is meshingly connected to the rack (210); one end of the threaded rod (208) is rotatably connected to a mounting plate (211); and a mounting frame (212) is symmetrically installed on one side of the mounting plate (211) away from the threaded rod (208); A guide wheel (213) is rotatably connected between the mounting frames (212); fixing frames (214) are symmetrically installed on both sides of the two mounting frames (212); and a roller (215) is rotatably connected between the two fixing frames (214); The fixing assembly (3) comprises a fixing plate (301) symmetrically mounted on one side of the two support frames (1) away from each other, a fixing seat (302) being fixedly mounted on one side of the fixing plate (301), and a mounting seat (303) being arranged on one side of the fixing seat (302), and connecting members (304) being symmetrically mounted on both sides between the fixing seat (302) and the mounting seat (303), and two groups of the connecting members (304) being fixedly connected by bolts; Clamps (305) are symmetrically arranged between the fixing seat (302) and the mounting seat (303), and a rubber pad (306) is installed on a fixing rod on one side of the two clamps (305), and a T-shaped arc groove (307) is opened inside the fixing seat (302) and the mounting seat (303), and a T-shaped arc block (3071) is slidably connected inside the T-shaped arc groove (307), and the T-shaped arc block (3071) is fixedly connected to the clamps (305); The adjustment assembly (4) comprises a U-shaped frame (401) fixedly mounted on one side of the middle of the support frame (1) on one side, and an adjustment rod (402) fixedly mounted on the middle of one side of the support frame (1) on the other side, and the adjustment rod (402) is slidably connected to the U-shaped frame (401), and a fixed block (403) is symmetrically mounted on one side of the U-shaped frame (401), and a positioning rod (404) is slidably connected inside the fixed block (403), and a plurality of positioning grooves (405) are symmetrically opened on both sides of the adjustment rod (402), and the positioning rod (404) is snap-fitted and connected to the positioning groove (405).

2. A cable tightening device for double-row cable installation according to claim 1, characterized in that: The support frame (1) is fixedly mounted with a positioning frame (308) on one side of the fixed plate (301), and a rotating rod (309) is rotatably connected inside the positioning frame (308), and a driven gear (311) is fixedly mounted on one end of the rotating rod (309), and an arc plate (3051) is fixedly mounted on one side of the clamping plate (305) on the fixed seat (302), and a plurality of teeth (310) are fixedly mounted on one side of the arc plate (3051), and the driven gear (311) is meshingly connected with the teeth (310).

3. A cable tightening device for double-row cable installation according to claim 2, characterized in that: A bidirectional cam (312) is fixedly mounted on one end of the rotating rod (309) away from the driven gear (311), and a damping rod (313) is symmetrically mounted on one side of the support frame (1) located on the positioning frame (308), and a buffer spring (314) is sleeved on the outside of the damping rod (313), and one end of the buffer spring (314) is fixedly connected to the support frame (1), and a movable plate (315) is fixedly mounted on the other end of the damping rod (313) and the buffer spring (314), and the bidirectional cam (312) is slidably connected to the movable plate (315).

4. A cable tightening device for double-row cable installation according to claim 1, characterized in that: A telescopic spring (406) is sleeved on one side of the exterior of the two positioning rods (404), one end of the telescopic spring (406) is fixedly connected to the fixing block (403), and a connecting block (407) is fixedly installed on the other end of the telescopic spring (406), and the connecting block (407) is fixedly connected to the positioning rod (404).

5. A cable tightening device for double-row cable installation according to claim 4, characterized in that: A T-shaped block (408) is fixedly mounted on the top of each of the two connecting blocks (407), and a connecting frame (409) is fixedly mounted on one side of the U-shaped frame (401) above the adjusting rod (402), and a rotating shaft (410) is rotatably connected inside the connecting frame (409), and a knob (411) is fixedly mounted on the top of the rotating shaft (410), and a double-headed cam (412) is fixedly mounted on the bottom of the rotating shaft (410), and the double-headed cam (412) is slidably connected to the two T-shaped blocks (408).

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