A vehicle-mounted pay-off wheel

Abstract

The application belongs to the technical field of wire laying equipment, and discloses a vehicle-mounted wire laying wheel, which comprises a fixed frame, a first wheel is arranged on the top of the fixed frame, a second wheel is arranged above the first wheel, a fixed shaft is fixedly connected to the top surface of the first wheel, and a bearing is arranged on the middle part of the second wheel. The second wheel is sleeved with the fixed shaft on the top of the first wheel through the bearing, so that the second wheel can rotate smoothly on the top of the first wheel, the cable reel is kept in a lying position and is sleeved outside the fixed shaft and lands on the top of the second wheel, the clamping and fixing of the clamping mechanism are matched, when the vehicle-mounted wire laying is performed, one end of the cable laid outside is fixed, the cable is pulled out during the continuous vehicle-mounted wire laying, the lateral force of the cable is utilized to make the cable reel rotate together with the second wheel, the cable is quickly laid out, the actual cable reel arrangement is simple to operate and convenient to use, the cable reel in the lying position rotates stably together with the second wheel, and the wire laying is more stable.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of wire laying equipment, and particularly relates to a vehicle-mounted wire laying wheel. BACKGROUND

[0002] Generally, when laying a cable, a cable reel on which a large amount of cable is wound is placed in a wiring site, and the cable reel is pushed to realize the laying and laying of the cable, and for long-distance laying, a wire laying wheel is placed in a vehicle body to realize vehicle-mounted wire laying.

[0003] In the prior art, the vehicle-mounted wire laying wheel is usually longitudinally assembled on a wire laying bracket, and the center hole of the cable reel is sleeved and clamped during actual assembly, and after clamping, the motor is started to drive the cable reel to rotate, and the wire laying is completed by moving the vehicle body. However, when longitudinally arranged, the cable reel is suspended in the middle of the bracket, and is clamped and connected with the shafts on both sides. The overall volume and mass of the cable reel are large, and the assembly is difficult. After suspension and fixation, the overall pressure is large, the pressure on the shaft is large during actual rotation, and there is a certain bending deformation. During wire laying, vibration occurs, and the wire laying assembly is difficult and the wire laying stability is poor, and the use effect is poor.

[0004] In addition, in the prior art, the wire laying wheel is usually placed in the vehicle compartment together with the wire laying bracket during wire laying. For the longitudinal wire laying process, only one group of cable laying operation can be completed at a time. The wire laying bracket is large in size and fixed in direction. On the one hand, it is difficult to arrange a second wire laying bracket, and on the other hand, when two groups are actually added, the two groups of cables are easily entangled during wire laying. Therefore, for multiple cable laying, multiple wire laying needs to be performed repeatedly, the wire laying efficiency is low, and the use effect is poor. SUMMARY

[0005] The application aims to provide a vehicle-mounted wire laying wheel to solve the problems in the background art.

[0006] In order to achieve the above-mentioned purpose, the application provides the following technical scheme: a vehicle-mounted wire laying wheel, comprising a fixed frame, a No. 1 wheel is arranged on the top of the fixed frame, a No. 2 wheel is arranged above the No. 1 wheel, a fixed shaft is fixedly connected to the top surface of the No. 1 wheel, a bearing is sleeved on the middle part of the No. 2 wheel, the inner surface of the bearing is fixedly sleeved with the fixed shaft, a clamping mechanism is arranged on the top of the No. 2 wheel, a rolling mechanism is fixedly installed on the bottom surface of the No. 2 wheel, the rolling mechanism is located on the top surface of the No. 1 wheel, a cable reel is sleeved on the outer surface of the fixed shaft, a movable slot is arranged on the front surface of the fixed frame, a movable plate is movably sleeved on the inner surface of the movable slot, an installation plate is fixedly connected to the front surface of the movable plate, and a cable rack is arranged on the front surface of the installation plate.

[0007] Preferably, the rolling mechanism comprises a mounting frame, an intermediate shaft and a roller, the mounting frame is fixedly connected to the bottom surface of the second wheel, the intermediate shaft is fixedly connected to the inside of the mounting frame, and the roller is movably sleeved on the outer surface of the intermediate shaft, and the bottom surface of the roller is in contact with the top surface of the first wheel.

[0008] Preferably, the number of the rolling mechanism is six, and the six rolling mechanisms are equally spaced annularly arranged below the second wheel.

[0009] Preferably, the clamping mechanism comprises a fixed rod, a sleeve, a side plate, a compression pad and a threaded sleeve, the fixed rod is fixedly connected to the top surface of the second wheel, the sleeve is movably sleeved on the outer surface of the fixed rod, the side plate is fixedly connected to the outer surface of the sleeve, the compression pad is fixedly connected to the bottom surface of the side plate, and the threaded sleeve is threadedly sleeved on the outer surface of the fixed rod and located above the sleeve.

[0010] Preferably, the bottom surface of the first wheel is fixedly connected with a sleeve rod, the outer surface of the sleeve rod is provided with threads, the sleeve rod is movably sleeved with the fixed frame and penetrates through the fixed frame, and the outer surface of the sleeve rod is threadedly sleeved with a locking cap.

[0011] Preferably, the bottom surface of the fixed frame is provided with a bottom groove, the top surface of the fixed frame is provided with a sleeve hole, the sleeve hole is in communication with the bottom groove, and the inner surface of the sleeve hole is movably sleeved with the sleeve rod.

[0012] Preferably, the movable slot is a T-shaped slot, the movable plate is a T-shaped plate, the front surface of the movable plate is provided with a threaded hole, and the inner surface of the threaded hole is threadedly sleeved with a threaded rod.

[0013] Preferably, the cable frame comprises a mounting arm, a cable ring and a side slot, the mounting arm is fixedly connected to the front surface of the mounting plate, the cable ring is fixedly connected to the top surface of the mounting arm, and the side slot is formed on the outer side surface of the cable ring.

[0014] The beneficial effects of the present application are as follows:

[0015] 1. The application is characterized in that the fixed frame is welded in the carriage, and a first wheel and a second wheel are installed on the top of the fixed frame, the bottom surface of the second wheel is additionally provided with a rolling mechanism, the second wheel is connected with the fixed shaft sleeve on the top of the first wheel through a bearing, the cable reel is kept in a lying position and is sleeved on the outside of the fixed shaft, and is landed on the top of the second wheel, and the clamping mechanism is clamped and fixed, so that when the vehicle-mounted cable is laid, one end of the cable laid outside is fixed, the cable is pulled out when the vehicle-mounted cable is continuously laid, the lateral force of the cable is used to rotate the cable reel and the second wheel, the cable is quickly laid out, the actual cable reel arrangement is simple to operate and convenient to use, the cable reel in the lying position is stably rotated with the second wheel, and the cable is more stably laid.

[0016] 2. The application is characterized in that the fixed frame is welded in the carriage, and a first wheel and a second wheel are installed on the top of the fixed frame, the bottom surface of the second wheel is additionally provided with a rolling mechanism, the second wheel is connected with the fixed shaft sleeve on the top of the first wheel through a bearing, the cable reel is kept in a lying position and is sleeved on the outside of the fixed shaft, and is landed on the top of the second wheel, and the clamping mechanism is clamped and fixed, so that when the vehicle-mounted cable is laid, one end of the cable laid outside is fixed, the cable is pulled out when the vehicle-mounted cable is continuously laid, the lateral force of the cable is used to rotate the cable reel and the second wheel, the cable is quickly laid out, the actual cable reel arrangement is simple to operate and convenient to use, the cable reel in the lying position is stably rotated with the second wheel, and the cable is more stably laid.

[0017] 3. The application is characterized in that the fixed frame is welded in the carriage, and a first wheel and a second wheel are installed on the top of the fixed frame, the bottom surface of the second wheel is additionally provided with a rolling mechanism, the second wheel is connected with the fixed shaft sleeve on the top of the first wheel through a bearing, the cable reel is kept in a lying position and is sleeved on the outside of the fixed shaft, and is landed on the top of the second wheel, and the clamping mechanism is clamped and fixed, so that when the vehicle-mounted cable is laid, one end of the cable laid outside is fixed, the cable is pulled out when the vehicle-mounted cable is continuously laid, the lateral force of the cable is used to rotate the cable reel and the second wheel, the cable is quickly laid out, the actual cable reel arrangement is simple to operate and convenient to use, the cable reel in the lying position is stably rotated with the second wheel, and the cable is more stably laid. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure of the application is shown in the figure;

[0019] Figure 2 The bottom surface of the application is shown in the figure;

[0020] Figure 3 The cross-sectional view of the fixed frame of the application is shown in the figure;

[0021] Figure 4 The cross-sectional view of the application is shown in the figure;

[0022] Figure 5 The installation of the first wheel and the second wheel of the application is shown in the figure;

[0023] Figure 6The explosion schematic view of the rolling mechanism of the present application;

[0024] Figure 7 The explosion schematic view of the clamping mechanism of the present application;

[0025] Figure 8 The explosion schematic view between the cable rack and the mounting plate of the present application.

[0026] In the figure: 1, fixed frame; 2, No. 1 wheel; 3, No. 2 wheel; 4, rolling mechanism; 41, mounting bracket; 42, intermediate shaft; 43, roller; 5, fixed shaft; 6, bearing; 7, clamping mechanism; 71, fixed rod; 72, sleeve; 73, side plate; 74, compression pad; 75, threaded sleeve; 8, cable reel; 9, bottom groove; 10, sleeve rod; 11, locking cap; 12, movable groove; 13, movable plate; 14, mounting plate; 15, cable rack; 151, mounting arm; 152, cable ring; 153, side groove; 16, threaded hole; 17, threaded rod; 18, sleeve hole. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0028] As Figures 1 to 8 shown, the embodiment of the present application provides a vehicle-mounted wire paying-off wheel, which comprises a fixed frame 1, the top of the fixed frame 1 is provided with a No. 1 wheel 2, the upper part of the No. 1 wheel 2 is provided with a No. 2 wheel 3, the top surface of the No. 1 wheel 2 is fixedly connected with a fixed shaft 5, the middle part of the No. 2 wheel 3 is sleeved with a bearing 6, the inner surface of the bearing 6 is fixedly sleeved with the fixed shaft 5, the top of the No. 2 wheel 3 is provided with a clamping mechanism 7, the bottom surface of the No. 2 wheel 3 is fixedly installed with a rolling mechanism 4, the rolling mechanism 4 is located on the top surface of the No. 1 wheel 2, the outer surface of the fixed shaft 5 is sleeved with a cable reel 8, the front surface of the fixed frame 1 is provided with a movable groove 12, the inner surface of the movable groove 12 is movably sleeved with a movable plate 13, the front surface of the movable plate 13 is fixedly connected with a mounting plate 14, and the front surface of the mounting plate 14 is provided with a cable rack 15.

[0029] First embodiment: as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7As shown, when installing, the fixed frame 1 is placed inside the vehicle compartment and welded in the vehicle compartment, and the first wheel 2 and the second wheel 3 are placed on the top of the fixed frame 1, so that the sleeve rod 10 at the bottom of the first wheel 2 passes through the sleeve hole 18 at the top of the fixed frame 1, and the locking cap 11 is sleeved on the outer surface of the sleeve rod 10 from the bottom groove 9, and is rotated to be locked and fixed, the cable reel 8 is horizontally sleeved on the outside of the fixed shaft 5, so that the bottom of the cable reel 8 falls on the top of the second wheel 3, the sleeve 72 in the clamping mechanism 7 is rotated to make the side plate 73 on the side of the sleeve 72 rotate above the bottom of the cable reel 8, the threaded sleeve 75 is rotated downward, the sleeve 72 is pushed downward, and the side plate 73 on the bottom surface pushes the compression pad 74 to compress the cable reel 8, one end of the cable is fixed on the bottom surface, the vehicle body is started to move, and the cable hand belt drives the cable reel 8 to rotate together with the second wheel 3 during movement, so that the rolling mechanism 4 at the bottom of the second wheel 3 rotates and moves along the top surface of the first wheel 2, and the cable is continuously released; when disassembling, the locking cap 11 is rotated out from the bottom groove 9, and the first wheel 2 and the second wheel 3 are pulled out upward, and the disassembly is completed.

[0030] Firstly, by welding the fixed frame 1 in the vehicle compartment, and installing the first wheel 2 and the second wheel 3 on the top of the fixed frame 1, and adding the rolling mechanism 4 on the bottom surface of the second wheel 3, and sleeving the second wheel 3 with the fixed shaft 5 on the top of the first wheel 2 through the bearing 6, so that the second wheel 3 can smoothly rotate on the top of the first wheel 2, and the cable reel 8 is horizontally sleeved on the outside of the fixed shaft 5 and falls on the top of the second wheel 3, and is clamped and fixed by the clamping mechanism 7, so that when the cable is released on the vehicle, one end of the cable released outside is fixed, and the cable is continuously pulled out during the continuous release of the cable on the vehicle, the lateral force of the cable is used to rotate the cable reel 8 together with the second wheel 3, so that the cable is quickly released, the actual cable reel arrangement is simple to operate and convenient to use, the cable reel 8 is stably rotated together with the second wheel 3, and the release is more stable.

[0031] In addition, by sleeving the first wheel 2 and the second wheel 3 through the sleeve rod 10 with the fixed frame 1, and welding the fixed frame 1 in the vehicle compartment, the supporting mechanism of the cable reel 8 is simple, the installation of the cable reel 8 is more convenient, the first wheel 2 and the second wheel 3 are convenient to disassemble, under the condition that the fixed frame 1 of a certain fixed volume is reserved, the vehicle compartment can be normally loaded, the effective loading capacity of the vehicle body is not lost after the vehicle-mounted cable release device is assembled, a certain loading capacity is actually reserved, and the use effect is good.

[0032] The rolling mechanism 4 includes a mounting frame 41, an intermediate shaft 42 and a roller 43. The mounting frame 41 is fixedly connected to the bottom surface of the second wheel 3. The intermediate shaft 42 is fixedly connected to the inside of the mounting frame 41. The roller 43 is movably sleeved on the outer surface of the intermediate shaft 42. The bottom surface of the roller 43 is in contact with the top surface of the first wheel 2. Through the contact between the roller 43 movably rotating in the rolling mechanism 4 and the top surface of the first wheel 2, and the cooperation with the bearing 6 fixedly sleeved with the fixed shaft 5, the second wheel 3 can conveniently rotate on the top surface of the first wheel 2, so that when the cable reel 8 is clamped and fixed on the top of the second wheel 3, it can stably and conveniently rotate, automatic pay-off is realized, and rotation and pay-off are stable.

[0033] The number of the rolling mechanism 4 is six. The six rolling mechanisms 4 are equally spaced and annularly distributed below the second wheel 3. Through the use of the six groups of annularly distributed rolling mechanisms 4, the stable rotation of the second wheel 3 is further completed.

[0034] The clamping mechanism 7 includes a fixed rod 71, a sleeve 72, a side plate 73, a compression pad 74 and a threaded sleeve 75. The fixed rod 71 is fixedly connected to the top surface of the second wheel 3. The sleeve 72 is movably sleeved on the outer surface of the fixed rod 71. The side plate 73 is fixedly connected to the outer surface of the sleeve 72. The compression pad 74 is fixedly connected to the bottom surface of the side plate 73. The threaded sleeve 75 is threadedly sleeved on the outer surface of the fixed rod 71 and located above the sleeve 72. Through the use of the clamping mechanism 7 to fix the sleeving of the cable reel 8, it is ensured that the cable reel 8 rotates with the second wheel 3, so that good and stable rotation pay-off is ensured. The sleeve 72 movably sleeved on the fixed rod 71 is convenient to rotate, so as to conveniently drive the side plate 73 on the side to switch positions, so that after the cable reel 8 is placed, the side plate 73 is swung to above the bottom plate of the cable reel 8, and the compression pad 74 with a rough bottom surface clamps and fixes the cable reel 8. In cooperation with the rough compression pad 74 at the bottom, the compression effect is improved, and slipping is avoided.

[0035] The bottom surface of the first wheel 2 is fixedly connected with a sleeve rod 10. The outer surface of the sleeve rod 10 is provided with threads. The sleeve rod 10 is movably sleeved with the fixed frame 1 and penetrates through the fixed frame 1. The outer surface of the sleeve rod 10 is threadedly sleeved with a locking cap 11. Through the sleeving of the sleeve rod 10 with the fixed frame 1 and the locking and fixing of the locking cap 11, the first wheel 2 can be stably and fixedly installed on the top surface of the fixed frame 1 and is convenient to disassemble.

[0036] The bottom surface of the fixed frame 1 is provided with a bottom groove 9. The top surface of the fixed frame 1 is provided with a sleeve hole 18. The sleeve hole 18 is in communication with the bottom groove 9. The inner surface of the sleeve hole 18 is movably sleeved with the sleeve rod 10. Through the provision of the bottom groove 9, sufficient operation control is provided under the welding and fixation of the fixed frame 1. Through the rotation operation of the locking cap 11 by the bottom groove 9, the clamping and disassembly of the first wheel 2 are realized, and the use is convenient.

[0037] Wherein, the movable slot 12 is a T-shaped slot, the movable plate 13 is a T-shaped plate, the front surface of the movable plate 13 is provided with a threaded hole 16, the inner surface of the threaded hole 16 is threadedly sleeved with a threaded rod 17, by using the T-shaped movable slot and the T-shaped movable plate 13, the movable plate 13 is stable when sliding along the movable slot 12 transversely, avoiding sliding out, and when the threaded rod 17 is rotated, the movable plate 13 is relatively pulled to move outward in the movable slot 12, increasing the pressing force, and further improving the positioning and clamping after moving.

[0038] Wherein, the cable rack 15 includes a mounting arm 151, a cable ring 152 and a side slot 153, the mounting arm 151 is fixedly connected to the front surface of the mounting plate 14, the cable ring 152 is fixedly connected to the top surface of the mounting arm 151, and the side slot 153 is provided on the outer side surface of the cable ring 152, by using the side slot 153 to complete the sleeving of the cable, and by using the support and guiding effect of the cable rack 15, the outgoing position of the cable is further controlled under the support, when two groups of cables are laid at the same time, they are away from each other without interference, thereby realizing the laying operation of the two groups of cables, and the use effect is good.

[0039] Second embodiment: 1、 Figure 3 、 Figure 4 and Figure 8 As shown, when two groups of cables are laid, two groups of fixed frames 1 can be sequentially welded from inside to outside in the vehicle compartment, and a first wheel 2 and a second wheel 3 are arranged respectively, after the two groups of cable reels 8 are sleeved, the emergence directions of the two groups of cable reels 8 are opposite, and the cables on the cable reels 8 are sleeved along the side slots 153 on the side surfaces of the cable rings 152 in the cable racks 15, so that the cables are sleeved in the cable rings 152, and after the sleeving of the two groups of cables is completed, according to the different outgoing directions, the two groups of cable racks 15 are pushed to the two sides respectively, so that the two groups of cable racks 15 are staggered and away from each other left and right, so that the cable racks 15 slide to one side along the movable slot 12 through the mounting plate 14 and the movable plate 13, and the threaded rod 17 is not selected to rotate and clamped, and the emergence of the two groups of cables is completed as the vehicle body moves forward, and the two groups of cables emerge from the left and right sides respectively, and the emergence process does not interfere and does not entangle.

[0040] First, by opening the movable slot 12 on the front of the fixed frame 1, and moving the movable sleeve 13 in the movable slot 12, and adding a cable rack 15 on the mounting plate 14 of the front of the movable plate 13, when the two groups of cable reels 8 are arranged in the car compartment, the outgoing direction of the two groups of cable reels 8 is opposite, the cables in the two groups of cable reels 8 are respectively sleeved into the two groups of cable racks 15, and the two groups of cable racks 15 are moved left and right along the corresponding outgoing line, so that the outgoing ends of the two groups of cables are staggered left and right, and the two groups of cables are separated and the outgoing line is completed at the same time, and the outgoing process does not interfere with each other and does not entangle, and the two groups of cables are laid out at the same time, which improves the efficiency of the laying of the multiple groups of cables and has good use effect.

[0041] Working principle and use process: when installing, place the fixed frame 1 in the car compartment and weld it in the car compartment, and place the first wheel 2 and the second wheel 3 on the top of the fixed frame 1, so that the sleeve rod 10 at the bottom of the first wheel 2 passes through the sleeve hole 18 at the top of the fixed frame 1, and the locking cap 11 is sleeved on the outer surface of the sleeve rod 10 from the bottom slot 9, and is rotated to complete locking and fixing, the cable reel 8 is horizontally sleeved on the outside of the fixed shaft 5, so that the bottom of the cable reel 8 falls on the top of the second wheel 3, the sleeve 72 in the clamping mechanism 7 is rotated and swung, so that the side plate 73 on the side of the sleeve 72 is rotated above the bottom of the cable reel 8, the threaded sleeve 75 is rotated downward, the sleeve 72 is pushed downward, and the side plate 73 drives the bottom pressing pad 74 to press the cable reel 8, one end of the cable is fixed on the bottom, the vehicle body is started to move, and the cable hand pull drives the cable reel 8 to rotate with the second wheel 3 during movement, so that the rolling mechanism 4 at the bottom of the second wheel 3 rotates and moves along the top surface of the first wheel 2, and the cable is continuously laid out; when disassembling, the locking cap 11 is rotated out from the bottom slot 9, and the first wheel 2 and the second wheel 3 are pulled out upward, and the disassembly is completed; when laying two groups of cables, two fixed frames 1 can be welded in the car compartment from inside to outside in turn, and the first wheel 2 and the second wheel 3 are arranged and installed respectively, and after the two groups of cable reels 8 are sleeved, the outgoing directions of the two groups of cable reels 8 are opposite, and the cables on the cable reel 8 are sleeved into the side slot 153 on the side of the cable ring 152 in the cable rack 15, so that the cable is sleeved into the cable ring 152, and after the two groups of cables are respectively sleeved, according to the different outgoing directions, the two groups of cable racks 15 are pushed to the left and right respectively, so that the two groups of cable racks 15 are misaligned and move away left and right, so that the cable rack 15 slides to one side through the mounting plate 14 and the movable plate 13 along the movable slot 12, and the threaded rod 17 is rotated, so that the threaded rod 17 is not selected to rotate in and clamp, and the two groups of cables are laid out as the vehicle body moves forward, and the two groups of cables appear from the left and right sides respectively, and the appearance process does not interfere with each other and does not entangle.

[0042] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A vehicle mounted pay-off wheel comprising a stationary frame (1) characterised in that: The top of the fixed frame (1) is provided with a first wheel (2), the upper side of the first wheel (2) is provided with a second wheel (3), the top surface of the first wheel (2) is fixedly connected with a fixed shaft (5), the middle part of the second wheel (3) is sleeved with a bearing (6), the inner surface of the bearing (6) is fixedly sleeved with the fixed shaft (5), the top of the second wheel (3) is provided with a clamping mechanism (7), the bottom surface of the second wheel (3) is fixedly installed with a rolling mechanism (4), the rolling mechanism (4) is located on the top surface of the first wheel (2), the outer surface of the fixed shaft (5) is sleeved with a cable reel (8), the front surface of the fixed frame (1) is provided with a movable groove (12), the inner surface of the movable groove (12) is movably sleeved with a movable plate (13), the front surface of the movable plate (13) is fixedly connected with a mounting plate (14), and the front surface of the mounting plate (14) is provided with a cable rack (15). The clamping mechanism (7) comprises a fixed rod (71), a sleeve (72), a side plate (73), a pressing pad (74) and a threaded sleeve (75), the fixed rod (71) is fixedly connected to the top surface of the second wheel (3), the sleeve (72) is movably sleeved on the outer surface of the fixed rod (71), the side plate (73) is fixedly connected to the outer surface of the sleeve (72), the pressing pad (74) is fixedly connected to the bottom surface of the side plate (73), and the threaded sleeve (75) is threadedly sleeved on the outer surface of the fixed rod (71) and located above the sleeve (72). The bottom surface of the first wheel (2) is fixedly connected with a sleeve rod (10), the outer surface of the sleeve rod (10) is provided with threads, the sleeve rod (10) is movably sleeved with the fixed frame (1) and penetrates through the fixed frame (1), and the outer surface of the sleeve rod (10) is threadedly sleeved with a locking cap (11).

2. The on-board pay-off wheel according to claim 1, characterized in that: The rolling mechanism (4) comprises a mounting frame (41), an intermediate shaft (42) and a roller (43), the mounting frame (41) is fixedly connected to the bottom surface of the second wheel (3), the intermediate shaft (42) is fixedly connected to the inside of the mounting frame (41), and the roller (43) is movably sleeved on the outer surface of the intermediate shaft (42).

3. The on-board pay-off wheel according to claim 1, characterized in that: The number of the rolling mechanism (4) is six, and the six rolling mechanisms (4) are equally spaced annularly distributed below the second wheel (3).

4. The spooling wheel of claim 1, wherein: The bottom surface of the fixed frame (1) is provided with a bottom groove (9), the top surface of the fixed frame (1) is provided with a sleeve hole (18), the sleeve hole (18) is in communication with the bottom groove (9), and the inner surface of the sleeve hole (18) is movably sleeved with the sleeve rod (10).

5. The spooling wheel of claim 1, wherein: The movable groove (12) is a T-shaped groove, the movable plate (13) is a T-shaped plate, the front surface of the movable plate (13) is provided with a threaded hole (16), and the inner surface of the threaded hole (16) is threadedly sleeved with a threaded rod (17).

6. The on-board pay-off wheel according to claim 1, characterized in that: The cable rack (15) comprises a mounting arm (151), a cable ring (152) and a side slot (153), the mounting arm (151) is fixedly connected on the front face of the mounting plate (14), the cable ring (152) is fixedly connected on the top face of the mounting arm (151), and the side slot (153) is arranged on the outer side face of the cable ring (152).

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