A wire laying device for electric power construction

Abstract

The present invention relates to the technical field of cable releasers, and specifically to a power construction releaser, which includes a bracket, a limit rod, a winding wheel, a roller and a guide mechanism; when pulling the cable, the cable drives the winding wheel to rotate around its own axis, and the friction between the cable and the roller drives the roller to rotate around its own axis. When the roller rotates around its own axis, the guide mechanism drives the winding wheel to move along the axis of the limit rod, so that the cable between the winding wheel and the roller is perpendicular to the axis of the roller, thereby reducing the friction during the release process and improving the release efficiency. At the same time, by providing anti-pinch threads with opposite rotation directions at both ends of the limit rod, when the winding wheel moves to a position close to the end of the limit rod, the length of the cable wound thereon that is released is greater than the pull-out amount, and the existing margin makes the cable at the end no longer tightly wound around the winding wheel, and during the release process, there will be no jamming phenomenon, making the release process smoother.

Description

Technical Field

[0001] The invention relates to the technical field of cable pay-offs, and in particular to a cable pay-off for electric power construction. Background Art

[0002] There are many kinds of existing power construction pay-off devices. The cables are often neatly arranged in circles on the winding wheel according to the number of turns. The working process of the pay-off device is to release the wires from the pay-off drum. However, the pay-off devices on the market are difficult to ensure the straightness of the lines released from the pay-off drum.

[0003] To this end, the Chinese patent document with the authorization announcement number CN214989230U discloses a power line straight line payout device, which can guide the released line by setting a guiding mechanism to allow the wire to pass through the gap between the guide roller and the guide seat, thereby improving the straightness of the released line. However, the above scheme does not solve the problem of cable payout being laborious due to the angle between the cable and the winding wheel during the payout process, and the problem of the cable at the edge of the winding wheel being limited by the side wall, which affects the payout. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention proposes a power construction cable release device, which solves the problem that the cable release in the prior art is laborious due to the angle between the cable and the winding wheel during the cable release process, and the problem that the cable at the edge of the winding wheel is limited by the side wall, which affects the cable release.

[0005] The present invention provides a power construction line release device adopts the following technical solution, including:

[0006] Bracket;

[0007] A limit rod extends horizontally, with both ends rotatably mounted on the bracket;

[0008] A winding wheel is rotatably and movably sleeved on the limiting rod along the axis of the limiting rod, and a cable is wound around the winding wheel;

[0009] The roller is rotatably mounted on the bracket, the roller is located at the front side of the middle part of the limit rod, one end of the cable passes through the top of the roller, and the friction between the cable and the roller can drive the roller to rotate around its own axis;

[0010] The guiding mechanism is used to drive the winding wheel to move along the axis of the limiting rod when the roller rotates, so that the cable between the winding wheel and the roller is always perpendicular to the axis of the roller.

[0011] Optionally, the guide mechanism includes a first guide shaft, a second guide shaft, a first connecting rod, a second connecting rod and a synchronization assembly;

[0012] The first guide shaft and the second guide shaft are coaxial and rotatably connected, the axis is parallel to the axis of the limit rod, one end of the first guide shaft and the second guide shaft are both rotatably connected to the roller, and the ends of the first guide shaft and the second guide shaft that are away from each other are rotatably connected to the bracket; a reversing component is provided between the first guide shaft and the second guide shaft, and the reversing component is used to drive the other to rotate when one of the first guide shaft and the second guide shaft rotates, and the two guide shafts rotate in opposite directions; the first guide shaft and the second guide shaft are both provided with guide threads, and the guide threads on the two guide shafts rotate in opposite directions; a synchronization component is provided in the roller, and is used to drive the first guide shaft or the second guide shaft to rotate synchronously with the roller;

[0013] The first connecting rod and the second connecting rod are rotatably connected to the two ends of the winding wheel respectively, the other end of the first connecting rod is threadedly matched with the first guide shaft, and the other end of the second connecting rod is threadedly matched with the second guide shaft.

[0014] Optionally, the synchronization component includes a first clamping structure and a second clamping structure; the first clamping structure is arranged between the first guide shaft and the roller, and the second clamping structure is arranged between the second guide shaft and the roller; the first clamping structure and the second clamping structure both have a clamping state and a relaxed state, when the first clamping structure is in the clamping state, the rotation of the roller can drive the first guide shaft to rotate synchronously, and when the first clamping structure is in the relaxed state, the first guide shaft can rotate relative to the roller; when the second clamping structure is in the clamping state, the rotation of the roller can drive the second guide shaft to rotate synchronously, and when the second clamping structure is in the relaxed state, the second guide shaft can rotate relative to the roller; the first clamping structure and the second clamping structure are connected with a switching member, and the switching member is used to switch the state of the first clamping structure and the second clamping structure.

[0015] Optionally, the first clamping structure and the second clamping structure both include two arc-shaped clamping blocks, the two arc-shaped clamping blocks of the first clamping structure are arranged between the roller and the first guide shaft, the two arc-shaped clamping blocks can move radially along the first guide shaft, the inner walls of the two arc-shaped clamping blocks are provided with threads that cooperate with the guide threads on the first guide shaft, and the switching piece is used to make the arc-shaped clamping blocks move radially along the second guide shaft; the two arc-shaped clamping blocks of the second clamping structure are arranged between the roller and the second guide shaft, the two arc-shaped clamping blocks can move radially along the second guide shaft, the inner walls of the two arc-shaped clamping blocks are provided with threads that cooperate with the guide threads on the second guide shaft, and the switching piece is used to make the arc-shaped clamping blocks move radially.

[0016] Optionally, the switching element is a cylinder.

[0017] Optionally, the reversing assembly includes a ring gear, a planetary carrier, a first gear and a plurality of second gears; the ring gear is synchronously rotatably mounted on the first guide shaft; the planetary carrier is fixedly connected to the bracket; the first gear is synchronously rotatably connected to the second guide shaft, the plurality of second gears are evenly distributed around the circumference of the first guide shaft, and the plurality of second gears are rotatably mounted on the planetary carrier, and each second gear is meshed with the first gear and the ring gear for transmission.

[0018] Optionally, anti-pinch threads are provided at both ends of the limit rod, and the anti-pinch threads at both ends of the limit rod have opposite rotation directions; threads matching the anti-pinch threads are provided on the inner walls at both ends of the winding wheel, and a fixing component is provided between the bracket and the limit rod, and the fixing component is used to limit the rotation of the limit rod around its own axis.

[0019] Optionally, a synchronous wheel is arranged between the winding wheel and the limiting rod, and the synchronous wheel is installed on the limiting rod for synchronous rotation, and the synchronous wheel and the winding wheel are frictionally matched; the length of the winding wheel is greater than the length of the synchronous wheel, and threads that cooperate with anti-pinch threads are provided on the inner walls of the parts of the winding wheel that extend beyond the synchronous wheel at both ends.

[0020] Optionally, the pitches of the guide threads on the first guide shaft and the second guide shaft and the gear ratios of the first gear, the second gear and the ring gear are configured so that the first connecting rod and the second connecting rod move at the same speed in the axial direction of the limiting rod.

[0021] Optionally, an annular groove for placing the cable is provided in the middle of the roller along the axial direction.

[0022] The beneficial effects of the present invention are as follows: during the process of releasing the cable, an electric power construction cable release device of the present invention passes one end of the cable through the top of the roller. When the cable is pulled, the cable drives the winding wheel to rotate around its own axis, and the friction between the cable and the roller drives the roller to rotate around its own axis. When the roller rotates around its own axis, the guiding mechanism drives the winding wheel to move along the axis of the limiting rod, so that the cable between the winding wheel and the roller is perpendicular to the axis of the roller, that is, the angle between the cables on both sides of the roller is 180°, thereby ensuring the straightness of the cable released, and at the same time reducing the friction during the release process, making the release process smoother and improving the release efficiency.

[0023] Furthermore, by arranging anti-pinch threads with opposite rotation directions at both ends of the limit rod, when the winding wheel moves to a position close to the end of the limit rod, as the winding wheel moves axially, the anti-pinch threads cause the winding wheel to make additional rotation around its own axis, so that the length of the cable wound thereon is paid out greater than the pull-out amount. The existing surplus makes the circle of cable at the end no longer tightly wound around the winding wheel, so that in the subsequent pay-out process, the cable at the end will not be clamped by the baffle at the end of the winding wheel and the cable of the secondary outer circle, and the limitation of the leftmost cable by the two is released, and there will be no jamming, making the pay-out process smoother and further improving the pay-out efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 It is a front view of the present invention;

[0027] Figure 3 for Figure 2 Middle AA section cutaway view;

[0028] Figure 4 for Figure 2 Middle BB section cutaway view;

[0029] Figure 5 for Figure 2 Middle CC section cutaway view;

[0030] Figure 6 for Figure 4 Enlarged image at the center X;

[0031] Figure 7 for Figure 5 Enlarged view of Y in the middle;

[0032] Figure 8 It is a schematic diagram of the structure of the first guide shaft and the second guide shaft in the present invention;

[0033] Fig. 9 for Figure 8 Middle DD section cutaway view.

[0034] In the figure: 100, bracket; 110, limit rod; 111, anti-pinch thread; 200, winding wheel; 210, synchronous wheel; 300, roller; 410, first guide shaft; 420, second guide shaft; 430, first connecting rod; 440, second connecting rod; 450, synchronous assembly; 451, arc clamping block; 452, cylinder; 500, reversing assembly; 510, ring gear; 520, planetary carrier; 530, first gear; 540, second gear; 600, cable. DETAILED DESCRIPTION

[0035] 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 making creative work are within the scope of protection of the present invention.

[0036] like Figures 1 to 9 As shown, an electric power construction wire release device provided by an embodiment of the present invention includes a bracket 100, a limit rod 110, a winding wheel 200, a roller 300 and a guide mechanism;

[0037] The limiting rod 110 extends horizontally, and both ends are rotatably mounted on the bracket 100;

[0038] The winding wheel 200 is rotatable and can be movably sleeved on the limiting rod 110 along the axis of the limiting rod 110, and a cable 600 is wound around the winding wheel 200;

[0039] The roller 300 is rotatably mounted on the bracket 100. The roller 300 is located at the front side of the middle of the limiting rod 110. One end of the cable 600 passes through the top of the roller 300. The friction between the cable 600 and the roller 300 can drive the roller 300 to rotate around its own axis. The roller 300 is provided with an annular groove for placing the cable 600 in the middle along the axis direction.

[0040] The guide mechanism is used to drive the winding wheel 200 to move along the axis of the limiting rod 110 when the roller 300 rotates, so that the cable 600 between the winding wheel 200 and the roller 300 is always perpendicular to the axis of the roller 300.

[0041] When paying out the line, one end of the cable 600 is passed through the top of the roller 300. When the cable 600 is pulled, the cable 600 drives the winding wheel 200 to rotate around its own axis. The friction between the cable 600 and the roller 300 drives the roller 300 to rotate around its own axis. When the roller 300 rotates around its own axis, the guiding mechanism drives the winding wheel 200 to move along the axis of the limiting rod 110, so that the cable 600 between the winding wheel 200 and the roller 300 is perpendicular to the axis of the roller 300, that is, the angle between the cables 600 on both sides of the roller 300 is 180°, thereby ensuring the straightness of the cable 600 when it is paid out, and at the same time reducing the friction during the paying out process, making the paying out process smoother and improving the paying out efficiency.

[0042] In a further embodiment, Figure 1 , Figure 2 , Figure 6 , Figure 7As shown, the guide mechanism includes a first guide shaft 410, a second guide shaft 420, a first connecting rod 430, a second connecting rod 440 and a synchronization assembly 450;

[0043] The first guide shaft 410 and the second guide shaft 420 are coaxial and rotatably connected, and the axis is parallel to the axis of the limiting rod 110. The ends of the first guide shaft 410 and the second guide shaft 420 connected are both rotatably connected to the roller 300, and the ends of the first guide shaft 410 and the second guide shaft 420 that are away from each other are rotatably connected to the bracket 100; Figure 8 and Fig. 9 A reversing assembly 500 is provided between the first guide shaft 410 and the second guide shaft 420, and the reversing assembly 500 is used to drive the other guide shaft 410 and the second guide shaft 420 to rotate when one of the first guide shaft 410 and the second guide shaft 420 rotates, and the two guide shafts rotate in opposite directions; the first guide shaft 410 and the second guide shaft 420 are both provided with guide threads, and the guide threads on the two guide shafts rotate in opposite directions; the synchronization assembly 450 is provided in the roller 300, and is used to drive the first guide shaft 410 or the second guide shaft 420 to rotate synchronously with the roller 300;

[0044] The first connecting rod 430 and the second connecting rod 440 are rotatably connected to both ends of the winding wheel 200 , respectively. The other end of the first connecting rod 430 is threadedly engaged with the first guide shaft 410 , and the other end of the second connecting rod 440 is threadedly engaged with the second guide shaft 420 .

[0045] When releasing the line, one end of the cable 600 is passed through the top of the annular groove. When the cable 600 is pulled, the cable 600 drives the winding wheel 200 to rotate around its own axis. The friction between the cable 600 and the roller 300 drives the roller 300 to rotate around its own axis. When the roller 300 rotates around its own axis, the synchronization component 450 drives the first guide shaft 410 and the second guide shaft 420 to rotate synchronously. Under the action of the reversing component 500, the second guide shaft 420 rotates in the opposite direction to the first guide shaft 410. Since the first connecting rod 430 cooperates with the guide thread on the first guide shaft 410, and the second connecting rod 440 cooperates with the guide thread on the second guide shaft 420, when the first guide shaft 410 and the second guide shaft 420 rotate, the first connecting rod 430 and the second connecting rod 440 move along the axial direction of the limit rod 110. Since the first guide shaft 410 and the second guide shaft 420 rotate in opposite directions, the rotation directions of the guide threads on the two are also opposite. Figure 2At this time, the winding wheel 200 needs to move to the left. When the first guide shaft 410 rotates synchronously with the roller 300, the first connecting rod 430 and the second connecting rod 440 move synchronously to the left. At the same time, the first connecting rod 430 and the second connecting rod 440 drive the winding wheel 200 between them to move synchronously to the left, and the cable 600 on the winding wheel 200 is released. The moving speed of the first connecting rod 430 and the second connecting rod 440 is proportional to the releasing speed, so that the cable 600 between the winding wheel 200 and the roller 300 is perpendicular to the axis of the roller 300, that is, the angle between the cables 600 on both sides of the roller 300 is 180°.

[0046] When the winding wheel 200, the first connecting rod 430 and the second connecting rod 440 move synchronously to the leftmost position, the layer of cable 600 is completely released, and the winding wheel 200 needs to move to the right to ensure that the cable 600 between the winding wheel 200 and the roller 300 is perpendicular to the axis of the roller 300. Thereafter, in the process of releasing the layer of cable 600, the cable 600 continues to drive the roller 300 to rotate around its own axis, and the rotation of the roller 300 drives the second guide shaft 420 to rotate synchronously through the synchronization component 450. When the second guide shaft 420 rotates, it drives the first guide shaft 410 to rotate in the opposite direction through the reversing component 500. Under the action of the guide thread, the first connecting rod 430, the second connecting rod 440 and the winding wheel 200 move synchronously to the right, so as to achieve the purpose of the released cable 600 always being perpendicular to the axis of the roller 300.

[0047] Thereafter, during the process of releasing the line, when the winding wheel 200 moves to the end of the limit rod 110, the synchronization component 450 switches the guide shaft it drives. When it needs to move to the left, the roller 300 drives the first guide shaft 410 to rotate synchronously. When it needs to move to the right, the roller 300 drives the second guide shaft 420 to rotate synchronously.

[0048] In a further embodiment, Figure 4 , Figure 5 , Figure 6 , Figure 7As shown, the synchronization component 450 includes a first clamping structure and a second clamping structure; the first clamping structure is arranged between the first guide shaft 410 and the roller 300, and the second clamping structure is arranged between the second guide shaft 420 and the roller 300; the first clamping structure and the second clamping structure both have a clamping state and a relaxing state, when the first clamping structure is in the clamping state, the rotation of the roller 300 can drive the first guide shaft 410 to rotate synchronously, when the first clamping structure is in the relaxing state, the first guide shaft 410 can rotate relative to the roller 300; when the second clamping structure is in the clamping state, the rotation of the roller 300 can drive the second guide shaft to rotate synchronously, when the second clamping structure is in the relaxing state, the second guide shaft 420 can rotate relative to the roller 300; the first clamping structure and the second clamping structure are connected with a switching member, and the switching member is used to switch the state of the first clamping structure and the second clamping structure;

[0049] Reference Figure 2 During the line-releasing process, the cable 600 drives the roller 300 to rotate along its own axis. At this time, the first clamping structure is in a clamping state and the second clamping structure is in a relaxed state, so that the roller 300 drives the first guide shaft 410 to rotate synchronously. Under the action of the reversing component 500, the second guide shaft 420 rotates in opposite directions to the first guide shaft 410. When viewed from the left side, the first guide shaft 410 rotates clockwise and the second guide shaft 420 rotates counterclockwise. Since the first connecting rod 430 cooperates with the guide thread on the first guide shaft 410 and the second connecting rod 440 cooperates with the guide thread on the second guide shaft 420, when the first guide shaft 410 and the second guide shaft 420 rotate, the first connecting rod 430, the second connecting rod 440 and the winding wheel 200 move synchronously to the left, and the cable 600 on the winding wheel 200 is released. The cable 600 between the winding wheel 200 and the roller 300 is perpendicular to the axis of the roller 300.

[0050] When the winding wheel 200, the first connecting rod 430 and the second connecting rod 440 move synchronously to the leftmost position, the layer of cable 600 is completely released. At this time, the switching member switches the states of the first clamping structure and the second clamping structure, so that the first clamping structure is in a relaxed state and the second clamping structure is in a clamped state. Thereafter, in the process of pulling the cable 600, the cable 600 continues to drive the roller 300 to rotate around its own axis, and the rotation of the roller 300 drives the second guide shaft 420 to rotate synchronously, and drives the first guide shaft 410 to rotate in the opposite direction through the reversing component 500. Under the action of the guide thread, the first connecting rod 430, the second connecting rod 440 and the winding wheel 200 move synchronously to the right, so as to achieve the purpose of the released cable 600 always being perpendicular to the axis of the roller 300.

[0051] Thereafter, during the process of paying out the line, when the winding wheel 200 moves to the end of the limiting rod 110, the switching member switches the state of the first clamping structure and the second clamping structure. When it needs to move to the left, the first clamping structure is in a clamped state, the second clamping structure is in a relaxed state, and the roller 300 drives the first guide shaft 410 to rotate synchronously; when it needs to move to the right, the first clamping structure is in a relaxed state, the second clamping structure is in a clamped state, and the roller 300 drives the second guide shaft 420 to rotate synchronously.

[0052] In a further embodiment, Figure 6 , Figure 7 As shown, the first clamping structure and the second clamping structure both include two arc-shaped clamping blocks 451. The two arc-shaped clamping blocks 451 of the first clamping structure are arranged between the roller 300 and the first guide shaft 410. The two arc-shaped clamping blocks 451 can move radially along the first guide shaft 410. The inner walls of the two arc-shaped clamping blocks 451 are provided with threads that cooperate with the guide threads on the first guide shaft 410. The switching member is used to make the arc-shaped clamping blocks 451 move radially along the second guide shaft 420; the two arc-shaped clamping blocks 451 of the second clamping structure are arranged between the roller 300 and the second guide shaft 420. The two arc-shaped clamping blocks 451 can move radially along the second guide shaft 420. The inner walls of the two arc-shaped clamping blocks 451 are provided with threads that cooperate with the guide threads on the second guide shaft 420. The switching member is used to make the arc-shaped clamping blocks 451 move radially, and the switching member is a cylinder 452.

[0053] During the process of releasing the line, when the winding wheel 200 needs to move to the left, the cylinder 452 drives the arc-shaped clamping block 451 of the first clamping structure to approach the first guide shaft 410 along the radial direction of the first guide shaft 410, and the thread on the arc-shaped clamping block 451 of the first clamping structure cooperates with the guide thread on the first guide shaft 410, and the cylinder 452 drives the arc-shaped clamping block 451 of the second clamping structure to move away from the second guide shaft 420 along the radial direction of the second guide shaft 420, and the thread on the arc-shaped clamping block 451 of the second clamping structure disengages from the guide thread on the second guide shaft 420. Thereafter, during the process of releasing the line, the rotation of the roller 300 drives the first guide shaft 410 to rotate synchronously, so that the first connecting rod 430, the second connecting rod 440 and the winding wheel 200 move to the left synchronously;

[0054] When the winding wheel 200 needs to move to the right, the cylinder 452 drives the arc-shaped clamping block 451 of the second clamping structure to approach the second guide shaft 420 along the radial direction of the second guide shaft 420, and the thread on the arc-shaped clamping block 451 of the second clamping structure cooperates with the guide thread on the second guide shaft 420. The cylinder 452 drives the arc-shaped clamping block 451 of the first clamping structure to move away from the first guide shaft 410 along the radial direction of the first guide shaft 410, and the thread on the arc-shaped clamping block 451 of the first clamping structure disengages from the guide thread on the first guide shaft 410. Thereafter, when releasing the line, the rotation of the roller 300 drives the second guide shaft 420 to rotate synchronously, so that the first connecting rod 430, the second connecting rod 440 and the winding wheel 200 move to the right synchronously.

[0055] In a further embodiment, referring to Fig. 9 The reversing assembly 500 includes a ring gear 510, a planet carrier 520, a first gear 530 and a plurality of second gears 540; the ring gear 510 is synchronously rotatably mounted on the first guide shaft 410; the planet carrier 520 is fixedly connected to the bracket 100; the first gear 530 is synchronously rotatably connected to the second guide shaft 420, a plurality of second gears 540 are uniformly distributed around the circumference of the second guide shaft 420, and a plurality of second gears 540 are rotatably mounted on the planet carrier 520, and each second gear 540 is meshed with the first gear 530 and the ring gear 510 for transmission; the pitch of the guide threads on the first guide shaft 410 and the second guide shaft 420 and the gear ratio of the first gear 530, the second gear 540 and the ring gear 510 are configured so that the first connecting rod 430 and the second connecting rod 440 move at the same speed in the axial direction of the limiting rod 110.

[0056] When the first clamping structure is in a clamping state, the rotation of the roller 300 drives the first guide shaft 410 to rotate synchronously. When the first guide shaft 410 rotates counterclockwise around its own axis, the ring gear 510 rotates counterclockwise synchronously with the first guide shaft 410. The ring gear 510 drives multiple second gears 540 to rotate counterclockwise around their own axes, thereby driving the first gear 530 to rotate clockwise. The second gear 540 drives the second guide shaft 420 to rotate clockwise synchronously, so that the rotation direction of the first guide shaft 410 is opposite to the rotation direction of the second guide shaft 420.

[0057] When the second clamping structure is in a clamping state, the rotation of the roller 300 drives the second guide shaft 420 to rotate synchronously. When 420 rotates counterclockwise around its own axis, the first gear 530 rotates counterclockwise synchronously with the second guide shaft 420. The first gear 530 drives multiple second gears 540 to rotate counterclockwise around their own axes, thereby driving the ring gear 510 to rotate clockwise. The ring gear 510 drives the first guide shaft 410 to rotate clockwise synchronously, so that the rotation direction of the first guide shaft 410 is opposite to the rotation direction of the second guide shaft 420.

[0058] In a further embodiment, referring to Figure 1 , Figure 2 , Figure 3 , both ends of the limit rod 110 are provided with anti-pinch threads 111, and the anti-pinch threads 111 at both ends of the limit rod 110 rotate in opposite directions; Figure 4 and Figure 5 A synchronous wheel 210 is provided between the winding wheel 200 and the limiting rod 110. The synchronous wheel 210 is synchronously rotated and mounted on the limiting rod 110. The synchronous wheel 210 and the winding wheel 200 are frictionally matched. The length of the winding wheel 200 is greater than the length of the synchronous wheel 210. The inner walls of the two ends of the winding wheel 200 that exceed the synchronous wheel 210 are provided with threads that match the anti-pinch threads 111. A fixing component is provided between the bracket 100 and the limiting rod 110. The fixing component is used to limit the limiting rod 110 from rotating around its own axis. The fixing component can be a chuck.

[0059] During the process of releasing the wire, the released cable 600 drives the winding wheel 200 to rotate around its own axis. When the winding wheel 200 rotates, the friction between the winding wheel 200 and the synchronous wheel 210 drives the synchronous wheel 210 to rotate synchronously, and the synchronous wheel 210 drives the limiting rod 110 to rotate synchronously, so that the winding wheel 200 can smoothly cooperate with the anti-pinch thread 111 at the left end of the limiting rod 110 during the process of moving to the left. When the first connecting rod 430, the second connecting rod 440 and the winding wheel 200 move synchronously to the left, when the thread on the inner wall of the left end of the winding wheel 200 cooperates with the anti-pinch thread 111 at the left end of the limiting rod 110, the fixing component is started, and at this time the limiting rod 110 cannot rotate around its own axis. The winding wheel 200 is driven by the first connecting rod 430 and the second connecting rod 440 to continue to move to the left. When the winding wheel 200 moves to the left, under the action of the anti-pinch thread 111, the winding wheel 200 makes additional rotation around its own axis. The additional rotation of the winding wheel 200 causes the left end of the cable 600 wound thereon to be additionally released by a preset length, so that the leftmost circle of cable 600 is no longer tightly wound around the winding wheel 200, and then in the subsequent release process, the cable 600 at the end will not be clamped by the baffle at the end of the winding wheel 200 and the cable 600 of the second outer circle, thereby releasing the limitation of the leftmost cable 600 by the two, making the release process smoother and further improving the release efficiency.

[0060] After the winding wheel 200 moves to the leftmost end, the fixing assembly is closed. Thereafter, as the winding wheel 200 moves to the right along the axis of the limiting rod 110, the winding wheel 200 drives the synchronous wheel 210 to rotate, and the synchronous wheel 210 drives the limiting rod 110 to rotate synchronously, so that the winding wheel 200 can smoothly cooperate with the anti-pinch thread 111 at the right end of the limiting rod 110 during the process of moving to the right.

[0061] 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 construction line release device, characterized in that: include: Bracket; A limit rod extends horizontally, with both ends rotatably mounted on the bracket; A winding wheel is rotatably and movably sleeved on the limiting rod along the axis of the limiting rod, and a cable is wound around the winding wheel; The roller is rotatably mounted on the bracket, the roller is located at the front side of the middle part of the limit rod, one end of the cable passes through the top of the roller, and the friction between the cable and the roller can drive the roller to rotate around its own axis; The guiding mechanism is used to drive the winding wheel to move along the axis of the limiting rod when the roller rotates, so that the cable between the winding wheel and the roller is always perpendicular to the axis of the roller; the guiding mechanism includes a first guiding shaft, a second guiding shaft, a first connecting rod, a second connecting rod and a synchronization component; The first guide shaft and the second guide shaft are coaxial and rotatably connected, the axis is parallel to the axis of the limit rod, one end of the first guide shaft and the second guide shaft are both rotatably connected to the roller, and the ends of the first guide shaft and the second guide shaft that are away from each other are rotatably connected to the bracket; a reversing component is provided between the first guide shaft and the second guide shaft, and the reversing component is used to drive the other to rotate when one of the first guide shaft and the second guide shaft rotates, and the two guide shafts rotate in opposite directions; the first guide shaft and the second guide shaft are both provided with guide threads, and the guide threads on the two guide shafts rotate in opposite directions; a synchronization component is provided in the roller, and is used to drive the first guide shaft or the second guide shaft to rotate synchronously with the roller; The first connecting rod and the second connecting rod are rotatably connected to the two ends of the winding wheel respectively, the other end of the first connecting rod is threadedly engaged with the first guide shaft, and the other end of the second connecting rod is threadedly engaged with the second guide shaft; The synchronization component includes a first clamping structure and a second clamping structure; the first clamping structure is arranged between the first guide shaft and the roller, and the second clamping structure is arranged between the second guide shaft and the roller; the first clamping structure and the second clamping structure both have a clamping state and a relaxed state, when the first clamping structure is in the clamping state, the rotation of the roller can drive the first guide shaft to rotate synchronously, and when the first clamping structure is in the relaxed state, the first guide shaft can rotate relative to the roller; when the second clamping structure is in the clamping state, the rotation of the roller can drive the second guide shaft to rotate synchronously, and when the second clamping structure is in the relaxed state, the second guide shaft can rotate relative to the roller; the first clamping structure and the second clamping structure are connected with a switching member, and the switching member is used to switch the state of the first clamping structure and the second clamping structure.

2. The electric power construction line release device according to claim 1, characterized in that: The first clamping structure and the second clamping structure each include two arc-shaped clamping blocks. The two arc-shaped clamping blocks of the first clamping structure are arranged between the roller and the first guide shaft. The two arc-shaped clamping blocks can move radially along the first guide shaft. The inner walls of the two arc-shaped clamping blocks are provided with threads that cooperate with the guide threads on the first guide shaft. The switching piece is used to make the arc-shaped clamping blocks of the first clamping structure move radially along the first guide shaft; the two arc-shaped clamping blocks of the second clamping structure are arranged between the roller and the second guide shaft. The two arc-shaped clamping blocks can move radially along the second guide shaft. The inner walls of the two arc-shaped clamping blocks are provided with threads that cooperate with the guide threads on the second guide shaft. The switching piece is used to make the arc-shaped clamping blocks of the second clamping structure move radially along the second guide shaft.

3. The electric power construction line release device according to claim 2, characterized in that: The switching element is a cylinder.

4. The electric power construction line release device according to claim 1, characterized in that: The reversing assembly includes a ring gear, a planet carrier, a first gear and multiple second gears; the ring gear is synchronously rotatably mounted on the first guide shaft; the planet carrier is fixedly connected to the bracket; the first gear is synchronously rotatably connected to the second guide shaft, and the multiple second gears are evenly distributed around the circumference of the first guide shaft, and the multiple second gears are all rotatably mounted on the planet carrier, and each second gear is meshed with the first gear and the ring gear for transmission.

5. The electric power construction line release device according to claim 1, characterized in that: Anti-pinch threads are provided at both ends of the limit rod, and the anti-pinch threads at both ends of the limit rod have opposite rotation directions; threads matching the anti-pinch threads are provided on the inner walls at both ends of the winding wheel, and a fixing component is provided between the bracket and the limit rod, and the fixing component is used to limit the rotation of the limit rod around its own axis.

6. The electric power construction line release device according to claim 5, characterized in that: A synchronous wheel is arranged between the winding wheel and the limiting rod. The synchronous wheel is installed on the limiting rod in synchronous rotation, and there is friction fit between the synchronous wheel and the winding wheel. The length of the winding wheel is greater than that of the synchronous wheel, and threads that cooperate with the anti-pinch threads are provided on the inner walls of the parts of the winding wheel that exceed the synchronous wheel at both ends.

7. The electric power construction line release device according to claim 4, characterized in that: The pitches of the guide threads on the first guide shaft and the second guide shaft and the gear ratios of the first gear, the second gear and the ring gear are configured so that the first connecting rod and the second connecting rod move at the same speed in the axial direction of the limiting rod.

8. A power construction line release device according to any one of claims 1 to 7, characterized in that: An annular groove for placing the cable is arranged in the middle of the roller along the axial direction.

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