Synchronous wire-reeling and reeling device and method thereof

Abstract

The present invention discloses a synchronous wire-winding and releasing device and method thereof, wherein the lifting rod is a linkage telescopic structure, which is composed of multiple tubes stacked in a nested manner, the secondary outer tube is the second tube from the outside to the inside of the lifting rod, the top tube is the last tube from the outside to the inside of the lifting rod, has the smallest diameter, and is located at the top of the lifting rod during lifting, the top of the top tube is fixedly connected to the working equipment, one end of the bracket is fixedly connected to the lifting rod of the outermost tube of the lifting rod, the other end of the bracket is rotationally connected to the wire-winding and releasing wheel, the reel is fixedly connected to the wire-winding and releasing wheel and is located on one side of the reel, the first transition piece and the second transition piece are both fixedly connected to the outermost tube of the lifting rod, one end of the steel wire rope is wound on the reel, the other end of the steel wire rope passes through the first transition piece and the second transition piece in sequence, and is fixedly connected to the bottom of the secondary outer tube of the lifting rod, so as to achieve the purpose of cable winding and releasing.

Description

Technical Field

[0001] The invention relates to the field of lifting rod wire taking-up, and in particular to a synchronous wire taking-up and paying-out device and a method thereof. Background Art

[0002] At present, there are two main ways to reel in and out the wires in the lifting pole industry: spring cables and reel reel. The wires are reeled out by dragging the cables at the top of the lifting pole as it rises. The spring cables are composed of one or several springs and cables bundled together, and the wires are reeled in by the automatic contraction of the springs. The reel reels are powered by motors to reel in the wires, but the reeling and unreeling effects of the cables are not ideal. Summary of the invention

[0003] The object of the present invention is to provide a synchronous cable retracting and unretracting device and method thereof for improving the cable retracting and unretracting effect.

[0004] To achieve the above-mentioned purpose, the present invention adopts a synchronous wire-retracting and releasing device, comprising a working device, a lifting rod assembly and a synchronous wire-retracting and releasing assembly, wherein the lifting rod assembly comprises a lifting rod and a base, wherein the lifting rod is a linkage telescopic structure, wherein the bottom end of the outermost tube of the lifting rod is fixedly connected to the base, and the top end of the top tube of the lifting rod is fixedly connected to the working device, wherein the number of tubes of the lifting rod is at least two, and two adjacent tubes of the lifting rod are slidably connected, and the tube diameter of each lifting rod decreases from the outside to the inside;

[0005] The synchronous retractable wire assembly includes a bracket, a retractable wire wheel, a drum, a first transition piece, a second transition piece and a steel wire rope, one end of the bracket is fixedly connected to the outermost tube section of the lifting rod, the other end of the bracket is rotatably connected to the retractable wire wheel, the drum is connected to the retractable wire wheel and is located on one side of the retractable wire wheel, the first transition piece and the second transition piece are both fixedly connected to the outermost tube section of the lifting rod, one end of the steel wire rope is wound around the drum, the other end of the steel wire rope passes through the first transition piece and the second transition piece in sequence, and is fixedly connected to the bottom of the secondary outer tube section of the lifting rod. Synchronous wire retracting and releasing assembly, wherein the synchronous wire retracting and releasing assembly also includes a screw wire arranging structure, which includes a support member, a screw, a guide rod, a nut and a wire protection wheel combination, the support member is fixedly connected to the support, the screw is rotatably connected to the support member and is located on the upper side of the wire retracting and releasing wheel, the guide rod is fixedly connected to the support member and is arranged parallel to the screw rod, the nut is threadedly connected to the screw rod, the wire protection wheel combination is slidably connected to the guide rod, and the nut is fixedly connected to the wire protection wheel via a bracket.

[0006] Among them, the synchronous retractable wire assembly also includes a synchronous buffer structure, which includes a transmission shaft and a spiral spring, the transmission shaft is rigidly connected to the retractable wire wheel, one end of the spiral spring is fixedly connected to the retractable wire wheel, and the other end of the spiral spring is fixedly connected to the drum, and the spiral spring is located between the retractable wire wheel and the drum.

[0007] Wherein, the synchronous retractable wire assembly further comprises a slip ring, which is rotationally connected to the retractable wire wheel and is located at the axial center of the retractable wire wheel.

[0008] Wherein, the synchronous wire retracting and releasing device also includes a wire protection member, which is fixedly connected to each tube on the lifting rod and is located outside each tube of the lifting rod.

[0009] The lifting rod assembly is k-fold linkage telescopic, the lifting speed and stroke of the secondary outer tube of the lifting rod are 1 / k of the lifting rod assembly, and the number of rotations n of the reel and the drum during the lifting or descending process of the lifting rod assembly is: Wherein, L is the height of the lifting rod assembly raised or lowered, and D is the winding diameter of the reel.

[0010] In the process of the lifting rod assembly rising, the corresponding length Lg of the wire rope wound on the drum is: Lg = π × d × n When the wire rope winding length Lg is equal to the rising height of the secondary outer tube of the lifting rod Right now Synchronous pay-off is achieved.

[0011] Wherein, during the lowering process of the lifting rod assembly, the lowering height of the secondary outer tube of the lifting rod is The number of revolutions of the reel n is: The corresponding cable retracting length Lx is: Lx = π × D × n. When the retracting length Lx is equal to the height L of the lifting rod, that is, , synchronous winding is achieved.

[0012] The present invention also provides a synchronous wire retracting and unreeling method, comprising the following steps:

[0013] Driving the lifting rod with a smaller pipe diameter to rise, driving the working equipment connected to the pipe of the lifting rod with a smaller pipe diameter to move upward;

[0014] The cable on the working device moving upward pulls the reel to rotate, and then the reel drives the drum to rotate, and the wire rope passing through the first transition piece and the second transition piece is wound around the drum, so that the reel pays out the wire;

[0015] The lifting rod with a smaller diameter is driven to descend, and the steel wire rope connected to the tube of the lifting rod with a smaller diameter passes through the first transition piece and the second transition piece to pull the drum to rotate;

[0016] The rotating drum drives the reel to rotate, and then the cable is wound around the reel to achieve the reeling of the reel.

[0017] The beneficial effects of the present invention are as follows: when the lifting rod assembly rises, the working device drives the reel to release the wire through the cable, at which time the drum rotates with the reel and the wire rope is wound around the drum; when the lifting rod assembly descends, the bottom of the secondary outer tube of the lifting rod drives the drum to rotate through the wire rope, at which time the reel rotates with the drum. The cable is wound around the reel to realize the synchronous retraction and release function, thereby achieving the purpose of synchronous retraction and release of the cables. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] 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.

[0019] Figure 1 It is a structural schematic diagram of the synchronous wire-retracting and -releasing device of the present invention.

[0020] Figure 2 It is a structural schematic diagram of the synchronous retractable and pay-off line assembly of the present invention.

[0021] Figure 3 It is a front view of the synchronous retractable and pay-off line assembly of the present invention.

[0022] Figure 4 is a cross-sectional view of the synchronous buffer structure of the present invention.

[0023] Figure 5 It is a top view of the synchronous retractable and pay-off line assembly of the present invention.

[0024] Figure 6 It is a structural schematic diagram of the screw rod wiring structure of the present invention.

[0025] Figure 7 It is a schematic diagram of the internal structure of the synchronous buffer structure of the present invention.

[0026] Figure 8 It is a structural principle diagram of the synchronous wire-retracting and -releasing device of the present invention.

[0027] Fig. 9It is a structural schematic diagram of another embodiment of the synchronous wire-retracting and -releasing device of the present invention.

[0028] Fig.10 The present invention is a flow chart of a synchronous wire-retracting and -releasing method using a synchronous wire-retracting and -releasing device.

[0029] 100-synchronous wire-reeling and retracting device, 10-working equipment, 20-lifting rod assembly, 21-lifting rod, 22-base, 30-synchronous wire-reeling and retracting assembly, 31-bracket, 32-retracting and retracting wheel, 33-reel, 34-first transition piece, 35-second transition piece, 36-wire rope, 37-screw wire arrangement structure, 371-support, 372-screw, 373-guide rod, 374-nut, 375-wire protection wheel combination, 38-synchronous buffer structure, 381-transmission shaft, 382-volute spring, 383-slip ring, 39-wire protection piece, 41-section-by-section or linkage telescopic lifting rod with motor, 42-gear transmission group, 421-first gear, 422-second gear, 200-synchronous wire-reeling and retracting method. DETAILED DESCRIPTION

[0030] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0031] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0032] See also Figures 1 to 9 The present invention provides a synchronous wire-retracting and releasing device 100, comprising a working device 10, a lifting rod assembly 20 and a synchronous wire-retracting and releasing assembly 30, wherein the lifting rod assembly 20 comprises a lifting rod 21 and a base 22, wherein the lifting rod 21 is a linkage telescopic structure, wherein the lower end of the outermost tube section of the lifting rod 21 is fixedly connected to the base 22, and the top end of the topmost tube section of the lifting rod 21 is fixedly connected to the working device 10, wherein the number of tubes of the lifting rod 21 is at least two, and two adjacent tubes of the lifting rod 21 are slidably connected, and the tube diameter of each lifting rod 21 decreases from the outside to the inside;

[0033] The synchronous retractable wire assembly 30 includes a bracket 31, a retractable wire wheel 32, a drum 33, a first transition piece 34, a second transition piece 35 and a wire rope 36. One end of the bracket 31 is fixedly connected to the outermost tube section of the lifting rod 21, and the other end of the bracket 31 is rotatably connected to the retractable wire wheel 32. The drum 33 is connected to the retractable wire wheel 32 and is located on one side of the retractable wire wheel 32. The first transition piece 34 and the second transition piece 35 are both fixedly connected to the outermost tube section of the lifting rod 21. One end of the wire rope 36 is wound around the drum 33, and the other end of the wire rope 36 passes through the first transition piece 34 and the second transition piece 35 in sequence, and is fixedly connected to the bottom of the secondary outer tube section of the lifting rod 21.

[0034] In this embodiment, the base 22 is used to support the lifting rod 21. It is assumed that the number of tubes of the lifting rod 21 is two, the two tubes are slidably connected, and the tube sleeve of the lifting rod 21 with a larger tube diameter is arranged on the outside of the tube of the lifting rod 21 with a smaller tube diameter. A driving member is provided at the bottom of the tube of the lifting rod 21 with a smaller tube diameter, which is used to drive the extension and retraction of the tube of the lifting rod 21 with a smaller tube diameter. The bracket 31 is used to connect the synchronous retractable wire assembly 30 and the tube of the lifting rod 21 with a larger tube diameter. The retractable wire wheel 32 is used to wind the cable connected to the working equipment 10. The first transition piece 34 and the second transition piece 35 are both fixed pulleys. One end of the wire rope 36 is wound around the drum 33, and the other end of the wire rope 36 passes through the first transition piece 34 and the second transition piece 35 in sequence, and is fixedly connected to the bottom of the tube of the lifting rod 21 with a smaller tube diameter.

[0035] When the driving member drives the lifting rod 21 with a smaller pipe diameter to rise, the working device 10 connected to the pipe of the lifting rod 21 with a smaller pipe diameter moves upward. As the working device 10 moves upward, the cable on the working device 10 pulls the wire-reeling wheel 32 to rotate, and then the wire-reeling wheel 32 drives the drum 33 to rotate. The drum 33 rotates to wind the wire rope 36 passing through the first transition piece 34 and the second transition piece 35 around the drum 33, thereby realizing the wire-reeling of the wire-reeling wheel 32. When the driving member drives the lifting rod 21 with a smaller pipe diameter to descend, the wire rope 36 connected to the pipe of the lifting rod 21 with a smaller pipe diameter is lowered. The reel 33 is pulled through the first transition piece 34 and the second transition piece 35 to rotate the reel 33, which drives the reel 32 to rotate, and then the cable is wound around the reel 32 to achieve the reeling of the reel 32. The synchronous reeling device 100 is manufactured with a full mechanical structure, with low manufacturing cost and high reliability. It can also achieve synchronous reeling when the lifting rod assembly 20 is working, and the pulling force on the top of the lifting rod 21 is small and basically constant during operation. Under the action of the tensioning force, the cable is in a vertical state and is not prone to jamming, thereby improving the reeling effect of the cable.

[0036] Furthermore, the synchronous retractable wire assembly 30 also includes a wire arrangement structure 37 of a screw rod 372, and the screw rod 372 wire arrangement structure 37 includes a support member 371, a screw rod 372, a guide rod 373, a nut 374 and a wire protection wheel assembly 375. The support member 371 is fixedly connected to the bracket 31, the screw rod 372 is rotatably connected to the support member 371, and is located on the upper side of the retractable wire wheel 32, the guide rod 373 is fixedly connected to the support member 371 and is arranged parallel to the screw rod 372, the nut 374 is threadedly connected to the screw rod 372, the wire protection wheel assembly 375 is slidably connected to the guide rod 373, and the nut 374 is fixedly connected to the wire protection wheel via the bracket 31.

[0037] In this embodiment, the wire arrangement structure 37 of the screw rod 372 is arranged on the outer periphery of the winding and unwinding wheel 32, and the wire arrangement structure 37 of the screw rod 372 and the winding and unwinding wheel 32 are driven by a synchronous belt or a chain. The support member 371 is used to support and connect other components of the wire arrangement structure 37 of the screw rod 372. One end of the cable is wound around the winding and unwinding wheel 32, and the other end of the cable passes through the wire protection wheel assembly 375 and is electrically connected to the working equipment 10. When the winding and unwinding wheel 32 is winding or unwinding, the nut 374 will rotate on the screw rod 372, and at the same time, the wire protection wheel assembly 375 moves on the guide rod 373, so as to arrange the cable and avoid tangling.

[0038] Furthermore, the synchronous retractable wire assembly 30 also includes a synchronous buffer structure 38, and the synchronous buffer structure 38 includes a transmission shaft 381 and a spiral spring 382, ​​the transmission shaft 381 is rigidly connected to the retractable wire wheel 32, one end of the spiral spring 382 is fixedly connected to the retractable wire wheel 32, and the other end of the spiral spring 382 is fixedly connected to the drum 33, and the spiral spring 382 is located between the retractable wire wheel 32 and the drum 33.

[0039] In this embodiment, since one end of the steel wire rope 36 is fixed to the bottom of the secondary outer tube of the lifting rod 21, and the other end is fixed to the drum 33, the working device 10 is fixed to the lifting rod assembly 20. Assume that the linkage ratio of the lifting rod is 1:n (that is, the movement speed of the top end of the lifting rod is n times the movement speed of the secondary outer tube of the lifting rod 21). When the lifting rod 21 is working, the speed ratio between the steel wire rope 36 and the cable is 1:n. When encountering certain situations, such as due to the processing error of the wire wheel diameter, or due to the influence of the structure, the lifting rod does not reach a strict 1:n linkage ratio, or the cable is stuck by a certain structure when working, etc., resulting in the speed between the steel wire rope 36 and the cable not reaching 1:n, it will affect the winding function. By arranging the spiral spring 382 between the reel 32 and the drum 33, the drum 33 and the reel 32 can rotate relative to each other at a certain angle, thereby avoiding damage to the cable and other structures, achieving the purpose of synchronous buffering, realizing buffering and tensioning effects on the cable, and improving the cable reeling and unwinding effect.

[0040] Furthermore, the synchronous retractable wire assembly 30 further includes a slip ring 383 , which is rotatably connected to the retractable wire wheel 32 and is located at the axial center of the retractable wire wheel 32 .

[0041] In this embodiment, the cable on the retractable wheel 32 is connected to other equipment at the bottom end of the lifting rod 21 through the slip ring 383 to prevent the cable from being tangled when the retractable wheel 32 rotates.

[0042] Furthermore, the synchronous wire-retracting and -releasing device 100 further includes a wire-protecting member 39 , which is respectively fixedly connected to each tube on the lifting rod 21 and is located outside each tube of the lifting rod 21 .

[0043] In this embodiment, the cable needs to pass through each of the wire guards 39 to be electrically connected to the working device 10. The provision of multiple wire guards 39 can prevent the cable from getting twisted when the cable is retracted or released.

[0044] Furthermore, the lifting rod assembly 20 is a k-fold linkage telescopic device, the lifting speed and stroke of the secondary outer tube of the lifting rod 21 are 1 / k of the lifting rod assembly 20, and during the lifting or lowering of the lifting rod assembly 20, the number of rotations n of the reel 32 and the reel 33 is: Wherein, L is the height of the lifting rod assembly 20 raised or lowered, and D is the winding diameter of the reel 32.

[0045] During the lifting process of the lifting rod assembly 20, the length Lg of the corresponding wire rope 36 wound on the drum 33 is: Lg = π × d × n, wherein, when the winding length Lg of the wire rope 36 is equal to the height of the secondary outer tube of the lifting rod 21, Right now Synchronous pay-off is achieved.

[0046] During the descent of the lifting rod assembly 20, the lowering height of the secondary outer tube of the lifting rod 21 is The number of revolutions n of the reel 32 and the drum 33 is: The corresponding cable take-up length Lx is: Lx = π × D × n. When the take-up length Lx of the take-up and pay-out wheel 32 is equal to the height L of the lifting rod assembly 20, that is, , synchronous winding is achieved.

[0047] Among them, when satisfied When the synchronous retractable wire assembly 30 is in operation, the synchronous retractable wire assembly 30 can realize synchronous retractable wire.

[0048] In this embodiment, the number of tubes of the lifting rod 21 is set to two, and the lifting rod assembly 20 is k-fold linkage telescopic, the lifting speed and stroke of the secondary outer tube of the lifting rod 21 are both 1 / k of the entire lifting rod assembly 20, and the ratio of the diameter of the reel 33 and the reel 32 can be adjusted to achieve the synchronous reeling function. In the rising synchronization process, when the lifting rod assembly 20 is raised to a height of L, the synchronous reeling device 100 pays off a length of L, and the reel 32 and the reel 33 rotate a number of turns n. D is the winding diameter of the reel 32. The number of turns of the wire rope 36 added to the drum 33 is the same as the number of turns of the drum, which is n turns. The corresponding length Lg of the wire rope 36 on the drum 33 is: Lg = π × d × n, where d is the winding diameter of the drum 33, and the winding length Lg of the wire rope 36 is equal to the height of the secondary outer tube of the lifting rod 21. Right now This is how synchronous pay-off is achieved.

[0049] In the synchronous descending process, when the descending height of the lifting rod assembly 20 is L, the descending height of the secondary outer tube of the lifting rod 21 is 1 / k of the pay-off length of the synchronous pay-off and take-up device 100, that is, L / k, and the number of revolutions n of the reel 33 is: The corresponding cable retracting length Lx on the retracting and unreeling wheel 32 is: Lx = π × D × n, and the corresponding cable retracting length Lx on the retracting and unreeling wheel 32 is equal to the descending height L of the lifting rod assembly 20, that is, , synchronous winding is achieved.

[0050] To sum up: the synchronous retractable wire device 100 is designed as a mechanical structure, and the synchronous retractable wire power is drawn from the inside of the lifting rod 21 to achieve synchronous retractable wire, without the need for an additional power device. At the same time, the transmission structure is designed and the transmission ratio is used to ensure the synchronization of the retractable wire. Since the movement speed of the secondary outer section tube of the lifting rod 21 is inconsistent with the cable retractable speed, the present invention designs the reel 33 and the retractable wire wheel 32 according to the speed ratio of the two, so that the diameter ratio and speed ratio of the two are consistent, thereby ensuring the synchronization of the retractable wire, and using the volute spring 382 to achieve a flexible structure to play a role in buffering and tensioning the cable.

[0051] In another embodiment: the synchronous retractable wire device 100 includes a segmented or linked telescopic lifting rod 41 with a motor, a working equipment 10, a gear transmission group 42 and a retractable wire wheel 32, the top of the segmented or linked telescopic lifting rod 41 with a motor is fixedly connected to the working equipment 10, the gear transmission group 42 includes a first gear 421 and a second gear 422, the first gear 421 is arranged on one side of the segmented or linked telescopic lifting rod 41 with a motor, one end of the second gear 422 is meshed with the output end of the first gear 421, and the other end of the second gear 422 is transmission-connected to the retractable wire wheel 32, the axial line of the first gear 421 and the axial line of the second gear 422 are set at 90°, and the cable wound on the retractable wire wheel 32 is electrically connected to the working equipment 10.

[0052] Assume that the lifting speed of the step-by-step or linked telescopic lifting rod 41 with the motor is v1, at this time, the gear speed of the first gear 421 is n1, where n1×k1=v1, k1 is a constant, the speed of the second gear 422 connected to the reel 32 is n2, the transmission ratio is k2, where n1×k2=n2, assuming that after an arbitrary time t, the rising or falling height of the step-by-step or linked telescopic lifting rod 41 with the motor is v1×t, the first The number of revolutions of the gear 421 is n1×t, the number of revolutions of the second gear 422 is n2×t, the length of the cable released or retracted by the retractable wheel 32 is n2×t×π×D; (D is the diameter of the reel winding), and synchronous retractable wire can be achieved by satisfying V1×t=n2×t×π×D; since: n1×k1=V1; n1×k2=n2; therefore, as long as k2=k1 / (πD) is satisfied, the gear transmission can provide the synchronous retractable wire power of this lifting rod.

[0053] See also Fig.10 The present invention also provides a synchronous retractable wire method 200, comprising the following steps:

[0054] S100: driving the lifting rod 21 with a smaller pipe diameter to rise, thereby driving the working device 10 connected to the pipe of the lifting rod 21 with a smaller pipe diameter to move upward;

[0055] S200: The cable on the working device 10 moving upward pulls the reel 32 to rotate, and then the reel 32 drives the drum 33 to rotate, and the wire rope 36 passing through the first transition piece 34 and the second transition piece 35 is wound around the drum 33, so that the reel 32 pays out the wire;

[0056] S300: driving the lifting rod 21 with a smaller pipe diameter to descend, and the steel wire rope 36 connected to the pipe of the lifting rod 21 with a smaller pipe diameter passes through the first transition piece 34 and the second transition piece 35 to pull the drum 33 to rotate;

[0057] S400: The rotating reel 33 drives the reel 32 to rotate, and then the cable is wound around the reel 32 to achieve the reeling of the reel 32.

[0058] When the driving member drives the lifting rod 21 with a smaller tube diameter to rise, the working equipment 10 connected to the tube of the lifting rod 21 with a smaller tube diameter moves upward. As the working equipment 10 moves upward, the cable on the working equipment 10 pulls the wire-reeling wheel 32 to rotate, and then the wire-reeling wheel 32 drives the drum 33 to rotate. The drum 33 rotates to wind the steel wire rope 36 passing through the first transition piece 34 and the second transition piece 35 around the drum 33, thereby realizing the wire-reeling of the wire-reeling wheel 32. When the driving member drives the lifting rod 21 with a smaller tube diameter to descend, the steel wire rope 36 connected to the tube of the lifting rod 21 with a smaller tube diameter passes through the first transition piece 34 and the second transition piece 35 to pull the drum 33, so that the drum 33 rotates, and the drum 33 drives the wire-reeling wheel 32 to rotate, and then the cable is wound around the wire-reeling wheel 32, thereby realizing the wire-reeling of the wire-reeling wheel 32.

[0059] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A synchronous wire-reeling device, characterized in that: It includes a working device, a lifting rod assembly and a synchronous retractable wire assembly, wherein the lifting rod assembly includes a lifting rod and a base, the lifting rod is a linkage telescopic structure, the bottom end of the outermost tube of the lifting rod is fixedly connected to the base, the top end of the top tube of the lifting rod is fixedly connected to the working device, the number of tubes of the lifting rod is two, two adjacent tubes of the lifting rod are slidably connected, and the tube diameter of each lifting rod decreases from the outside to the inside; The synchronous retractable wire assembly comprises a bracket, a retractable wire wheel, a drum, a first transition piece, a second transition piece and a steel wire rope, one end of the bracket is fixedly connected to the outermost tube section of the lifting rod, the other end of the bracket is rotatably connected to the retractable wire wheel, the drum is connected to the retractable wire wheel and is located on one side of the retractable wire wheel, the first transition piece and the second transition piece are both fixedly connected to the outermost tube section of the lifting rod, one end of the steel wire rope is wound around the drum, the other end of the steel wire rope passes through the first transition piece and the second transition piece in sequence, and is fixedly connected to the bottom of the secondary outer tube section of the lifting rod; The base is used to support the lifting rod. A driving member is provided at the bottom of the tube of the lifting rod with a smaller diameter, which is used to drive the extension and retraction of the tube of the lifting rod with a smaller diameter. The bracket is used to connect the synchronous retractable wire assembly and the tube of the lifting rod with a larger diameter. The retractable wire wheel is used to wind the cable connected to the working equipment. The first transition piece and the second transition piece are both fixed pulleys.

2. The synchronous wire-retracting and -releasing device according to claim 1, characterized in that: The synchronous wire retracting and releasing assembly also includes a screw wire arranging structure, which includes a support member, a screw, a guide rod, a nut and a wire protection wheel combination, the support member is fixedly connected to the support, the screw is rotatably connected to the support member and is located on the upper side of the wire retracting and releasing wheel, the guide rod is fixedly connected to the support member and is arranged parallel to the screw, the nut is threadedly connected to the screw, the wire protection wheel combination is slidably connected to the guide rod, and the nut is fixedly connected to the wire protection wheel via a bracket.

3. The synchronous wire-retracting and -releasing device according to claim 2, characterized in that: The synchronous retractable wire assembly also includes a synchronous buffer structure, which includes a transmission shaft and a spiral spring. The transmission shaft is rigidly connected to the retractable wire wheel, one end of the spiral spring is fixedly connected to the retractable wire wheel, and the other end of the spiral spring is fixedly connected to the drum, and the spiral spring is located between the retractable wire wheel and the drum.

4. The synchronous wire-retracting and -releasing device according to claim 3, characterized in that: The synchronous retractable wire assembly also includes a slip ring, which is rotatably connected to the retractable wire wheel and is located at the axial center of the retractable wire wheel.

5. The synchronous wire-retracting and -releasing device according to claim 4, characterized in that: The synchronous wire-retracting and -releasing device further comprises a wire-protecting member, which is respectively fixedly connected to each tube on the lifting rod and is located outside each tube of the lifting rod.

6. The synchronous wire-retracting and -releasing device according to claim 5, characterized in that: The lifting rod assembly is k-fold linkage telescopic, the lifting speed and stroke of the secondary outer tube of the lifting rod are 1 / k of the lifting rod assembly, and the number of rotations n of the reel and the drum during the lifting or lowering of the lifting rod assembly is: Wherein, L is the height of the lifting rod assembly raised or lowered, and D is the winding diameter of the reel.

7. The synchronous wire-retracting and -releasing device according to claim 6, characterized in that: During the lifting process of the lifting rod assembly, the corresponding length Lg of the wire rope wound on the drum is: Lg=π×d×n Wherein, d is the winding diameter of the reel, When the wire rope winding length Lg is equal to the lifting height of the secondary outer tube of the lifting rod Right now Synchronous pay-off is achieved.

8. The synchronous wire-retracting and -releasing device according to claim 7, characterized in that: During the lowering process of the lifting rod assembly, the lowering height of the secondary outer tube of the lifting rod is The number of revolutions of the reel n is: The corresponding cable retraction length Lx is: Lx=π×D×n When the length of the reel Lx is equal to the height of the lifting rod L, that is, , synchronous winding is achieved.

9. A synchronous wire-reeling and reeling method using the synchronous wire-reeling and reeling device as claimed in claim 8, characterized in that: The steps include: Driving the lifting rod with a smaller pipe diameter to rise, driving the working equipment connected to the pipe of the lifting rod with a smaller pipe diameter to move upward; The cable on the working device moving upward pulls the reel to rotate, and then the reel drives the drum to rotate, and the wire rope passing through the first transition piece and the second transition piece is wound around the drum, so that the reel pays out the wire; The lifting rod with a smaller diameter is driven to descend, and the steel wire rope connected to the tube of the lifting rod with a smaller diameter passes through the first transition piece and the second transition piece to pull the drum to rotate; The rotating drum drives the reel to rotate, and then the cable is wound around the reel to achieve the reeling of the reel.

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