Cable joint insulating tape wrapping machine with controllable tension
By using closed-loop control of tension sensors and hysteresis in the cable joint insulating tape winding machine, stable tension during the cable winding process is achieved, solving the problems of low efficiency and unstable quality in the prior art, and improving the wrapping quality and electrical performance of the cable joint.
Patent Information
- Application Number
- CN202411731715.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-03-14
AI Technical Summary
The insulating tape winding of existing cable middle joints mainly relies on manual construction, with low efficiency, high technical requirements, and it is difficult to effectively control the winding tension, angle and speed, affecting the uniformity of the distribution of insulating materials and cable performance.
A cable joint insulating tape winding machine with controllable tension was developed. The closed-loop control of tension sensors and hysteresis was used to achieve stable tension of the tape during wrapping and ensure the quality of the wrapping.
Through automated wrapping construction, the efficiency and quality of the winding of the cable joints are improved, the uniform distribution of insulating materials is ensured, and the electrical and waterproof performance of the cable is improved.
Smart Images
Figure CN119626672A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of power grid line cable maintenance, and in particular relates to a tension-controllable cable joint insulating tape wrapping machine. Background Art
[0002] The main components of a three-phase high-voltage cable from the inside to the outside include the wire core, conductor shielding layer, insulation layer, insulation shielding layer, filler, lining layer, steel armor and other parts. External force damage may cause a variety of cable failures, such as wire breakage, insulation layer and protective layer damage. When a section of the cable is damaged, it is necessary to remove the faulty cable section and make a cable intermediate joint to reconnect the cables at both ends of the fault point. The wrapped cable intermediate joint is the most common cable connection method. The wrapping of the insulating tape is one of the important construction links, which also directly affects the final quality of the cable intermediate joint connection.
[0003] In order to wrap the wrapping tape tightly and evenly on the cable core, a certain tension needs to be applied to the wrapping tape. During the wrapping process, the stability of the tension will directly affect the uniformity of the cable outer diameter. If the tension of the wrapping tape is too small, the wrapping tape cannot fit tightly on the cable. For example, when wrapping the insulation layer, the quality of the wrapping tape directly determines the electrical performance of the cable. Loose wrapping may cause cable breakdown. Therefore, the control of cable wrapping tension is critical to the quality of cable joints.
[0004] At present, the insulation tape wrapping of cable intermediate joints is mainly done manually, which takes a long time on site, is inefficient, and has high technical and physical requirements for construction workers. In addition, manual wrapping cannot well control the wrapping tension, wrapping angle and wrapping speed, which will cause uneven distribution of insulation materials, which may affect the overall size, insulation performance and waterproof performance. Summary of the invention
[0005] In order to overcome the shortcomings of the existing technology, a tension-controllable cable joint insulating tape wrapping machine was developed. The device can realize the automated wrapping construction of the cable joint insulating tape. The closed-loop control based on the tension sensor and the hysteresis device can ensure the stable tension on the tape during the cable wrapping process, thereby ensuring the wrapping quality.
[0006] The present invention specifically provides a tension-controllable cable joint insulating tape wrapping machine, comprising a first bracket 2, a wire pressing buckle 3, a guide rail 4, a second bracket 5, a connecting plate 6, a translation drive motor 7, a translation drive pulley 8, a drive pulley coupling rod 9, a spring clamping mechanism 10, a driven pulley 11, a third bracket 12, a rotating disk fixed pulley 13, a rotating disk 14, a rotating disk drive motor 15, a rotating disk drive wheel 16, a rotating disk drive belt 17, a rotating disk drive gear 18, a tape fixed shaft 19, a tape 20, a tape conduction wheel 21, a tension sensor 22, and a hysteresis device 23.
[0007] Furthermore, the wire pressing buckle 3 is fixed on the first bracket 2, the two groups of first brackets 2 are connected by two groups of guide rails 4, and the cable 1 is fixed on the two groups of first brackets 2 by the wire pressing buckle 3. The two groups of second brackets 5 are combined into one by the connecting plate 6, the translation drive motor 7 is fixed on one of the second brackets 5, and the two translation drive pulleys 8 are connected by the driving pulley coupling rod 9, and then connected to the shaft of the translation drive motor 7, and then placed on the two groups of guide rails 4. Four spring clamping mechanisms 10 are fixed on the two groups of second brackets 5 in groups of two, and a driven pulley 11 is fixed under each group of spring clamping mechanisms 10, and the spring clamping mechanism 10 can also control the driven pulley 11 to torsion.
[0008] Furthermore, the third bracket 12 is fixed on the connecting plate 6, and the third bracket 12 has an inner ring structure, and a plurality of rotating disk fixed pulleys 13 are arranged on the circumference of the ring, and the rotating disk 14 is fixed on the third bracket 12 through the rotating disk fixed pulleys 13. A rotating disk driving motor 15 is also fixed on the third bracket 12, and after the rotating disk driving motor 15 passes through the third bracket 12, a rotating disk driving wheel 16 is fixed thereon, and the power is transmitted to the rotating disk driving gear 18 fixed on the third bracket 12 through the rotating disk driving belt 17. The rotating disk driving gear 18 can mesh with the gear on the rotating disk 14 and drive the rotating disk 14 to rotate.
[0009] Furthermore, a tape fixing shaft 19 and a plurality of tape conducting wheels 21 are fixed on the rotating disk 14, and the tape 20 is fixed on the tape fixing shaft 19 and is wound on the cable 1 after passing through the tape conducting wheels 21. Among them, one tape conducting wheel 21 passes through the rotating disk 14 and is connected to the tension sensor 22, and the tension sensor 22 and the remaining tape conducting wheels 21 are fixed on the rotating disk 14. The tape fixing shaft 19 passes through the rotating disk 14 and is coaxially connected to the hysteresis device 23, and the hysteresis device 23 is fixed on the rotating disk 14.
[0010] Furthermore, by tightening the spring clamping mechanism 10 , the two sets of second brackets 5 can be fixed on the guide rail 4 with the cooperation of the translation driving pulley 8 and the driven pulley 11 , and can perform linear motion on the guide rail 4 driven by the driving motor 7 .
[0011] Furthermore, the third bracket 12 and the rotating disk 14 have gaps on their sides for installation and removal of cables.
[0012] Furthermore, the tension sensor 22 is used to detect the tension acting on the tape 20 during the winding process in real time, and transmit it to the controller as a tension feedback signal. Combined with the controllability of the output torque of the hysteresis device 23, the purpose of tension control during the winding process of the tape 20 can be achieved.
[0013] Furthermore, a tension-controllable cable joint insulating tape wrapping machine has the following specific working process:
[0014] In the initial state, the first bracket 2 and the wire pressing buckle 3 are integrated, the guide rail 4 is integrated, and the remaining components are integrated to form a winding mechanism.
[0015] After all components are transported to the construction site, the two sets of first brackets 2 and the two sets of guide rails 4 are assembled.
[0016] The spring clamping mechanism 10 is released to move the driven pulley 11 away from the translation driving pulley 8 , and the driven pulley 11 is twisted by more than 90° in the vertical direction so that the rolling direction of the driven pulley 11 is not in the same plane as the translation driving pulley 8 .
[0017] The translation driving pulley 8 placed by the winding mechanism is placed on the two sets of guide rails 4, and the driven pulley 11 is twisted by the spring clamping mechanism 10 so that the rolling direction of the driven pulley 11 is in the same plane as the rolling direction of the translation driving pulley 8. The spring clamping mechanism 10 is tightened to reduce the distance between the driven pulley 11 and the translation driving pulley 8, and the guide rails 4 are clamped, and at the same time, the normal direction of the rotating disk 14 should be consistent with the axial direction of the cable 1. Then, the rotating disk drive motor 15 is controlled to drive the opening of the rotating disk 14 to align with the opening of the third bracket 12.
[0018] The whole mechanism is placed under the cable 1 to be wound, and the cable 1 should enter the center of the rotating disk 14 from the notch on the side of the rotating disk. Then, the cable is fixed with the wire clamp 3. Then, the tape 20 is fixed on the tape fixing shaft 19, and the tape end is led out and wound on the cable 1 after passing through each tape conducting wheel 21.
[0019] The rotating disk drive motor 15 is controlled to drive the rotating disk 14 to rotate at a constant speed, driving the adhesive tape 20 to be wound on the cable 1. During the process, the tension sensor 22 outputs the tension on the adhesive tape 20 to the controller in real time as a feedback signal. The controller adjusts the current loaded on the hysteresis device 23 by judging the feedback signal, so that the hysteresis device 23 outputs a stable torque, so as to realize constant tension control during the winding process of the adhesive tape.
[0020] At the same time, the translation drive motor 7 is controlled to drive the translation drive pulley 8 to drive the winding mechanism to perform uniform linear motion, so that the adhesive tape 20 is wound on the cable 1 at a constant spacing.
[0021] After winding is completed, the translation drive motor 7 and the rotating disk drive motor 15 are controlled to stop at the same time, so that the winding mechanism stops linear motion, the rotating disk drive motor 15 drives the opening of the rotating disk 14 to align with the opening of the third bracket 12, and the tape winding is stopped. Then, the tape is cut and the wire pressing buckle 3 is opened. Finally, the entire device is moved away from under the cable 1.
[0022] The spring clamping mechanism 10 is released to move the driven pulley 11 away from the translation driving pulley 8 , and the driven pulley 11 is twisted by more than 90° in the vertical direction so that the rolling direction of the driven pulley 11 is not in the same plane as the translation driving pulley 8 .
[0023] The winding mechanism is removed from the guide rail 4 , and the guide rail 4 and the first bracket 2 are separated to complete the device recovery.
[0024] Compared with the prior art, the beneficial effects are:
[0025] (1) The tension-controllable cable joint insulating tape wrapping machine provided by the present invention can ensure a stable tension on the tape during the cable wrapping process based on the closed-loop control of the tension sensor and the hysteresis device, thereby ensuring the wrapping quality.
[0026] (2) The tension-controllable cable joint insulating tape wrapping machine provided by the present invention can be easily assembled and disassembled through a modular design, thereby improving the convenience and flexibility of transportation and installation of the device during the construction process. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 It is a general structural diagram of a tension-controllable cable joint insulating tape wrapping machine according to the present invention;
[0028] Figure 2 It is a diagram of a rotating disk driving mechanism of a tension-controllable cable joint insulating tape wrapping machine according to the present invention;
[0029] Figure 3 The present invention discloses a diagram of a translational motion driving mechanism of a winding mechanism of a cable joint insulating tape wrapping machine with controllable tension. DETAILED DESCRIPTION
[0030] The specific implementation of a tension-controllable cable joint insulating tape wrapping machine of the present invention is described in detail below in conjunction with the accompanying drawings.
[0031] like Figures 1 to 3 As shown, a tension-controllable cable joint insulating tape wrapping machine includes a first bracket 2, a wire pressing buckle 3, a guide rail 4, a second bracket 5, a connecting plate 6, a translation drive motor 7, a translation drive pulley 8, a drive pulley coupling rod 9, a spring clamping mechanism 10, a driven pulley 11, a third bracket 12, a rotating disk fixed pulley 13, a rotating disk 14, a rotating disk drive motor 15, a rotating disk drive wheel 16, a rotating disk drive belt 17, a rotating disk drive gear 18, a tape fixed shaft 19, a tape 20, a tape conduction wheel 21, a tension sensor 22, and a hysteresis device 23.
[0032] The wire pressing buckle 3 is fixed on the first bracket 2, and the two groups of first brackets 2 are connected by two groups of guide rails 4. The cable 1 is fixed on the two groups of first brackets 2 by the wire pressing buckle 3. The two groups of second brackets 5 are combined into one by the connecting plate 6, and the translation drive motor 7 is fixed on one of the second brackets 5. The two translation drive pulleys 8 are connected by the driving pulley coupling rod 9, and then connected to the shaft of the translation drive motor 7, and then placed on the two groups of guide rails 4. Four spring clamping mechanisms 10 are fixed on the two groups of second brackets 5 in groups of two, and a driven pulley 11 is fixed under each group of spring clamping mechanisms 10. The spring clamping mechanism 10 can also control the driven pulley 11 to torsion.
[0033] The third bracket 12 is fixed on the connecting plate 6. The third bracket 12 has an inner ring structure. A plurality of rotating disk fixed pulleys 13 are arranged in the circumference of the ring. The rotating disk 14 is fixed on the third bracket 12 through the rotating disk fixed pulleys 13. A rotating disk driving motor 15 is also fixed on the third bracket 12. After the rotating disk driving motor 15 passes through the third bracket 12, a rotating disk driving wheel 16 is fixed thereon, and the power is transmitted to the rotating disk driving gear 18 fixed on the third bracket 12 through the rotating disk driving belt 17. The rotating disk driving gear 18 can mesh with the gear on the rotating disk 14 and drive the rotating disk 14 to rotate.
[0034] The rotating disk 14 is fixed with a tape fixing shaft 19 and a plurality of tape conducting wheels 21. The tape 20 is fixed on the tape fixing shaft 19 and is wound on the cable 1 after passing through the tape conducting wheels 21. Among them, one tape conducting wheel 21 passes through the rotating disk 14 and is connected to a tension sensor 22. The tension sensor 22 and the remaining tape conducting wheels 21 are fixed on the rotating disk 14. The tape fixing shaft 19 passes through the rotating disk 14 and is coaxially connected to a hysteresis device 23. The hysteresis device 23 is fixed on the rotating disk 14.
[0035] By tightening the spring clamping mechanism 10 , the two sets of second brackets 5 can be fixed on the guide rail 4 under the cooperation of the translation driving pulley 8 and the driven pulley 11 , and can perform linear motion on the guide rail 4 under the drive of the driving motor 7 .
[0036] The third bracket 12 and the rotating disk 14 are both provided with notches on their sides for installation and removal of cables.
[0037] The tension sensor 22 is used to detect the tension acting on the tape 20 during the winding process in real time, and transmit it to the controller as a tension feedback signal. Combined with the controllability of the output torque of the hysteresis device 23, the purpose of tension control during the winding process of the tape 20 can be achieved.
[0038] The specific working process of the cable joint insulating tape wrapping machine with controllable tension of the present invention is as follows:
[0039] In the initial state, the first bracket 2 and the wire pressing buckle 3 are integrated, the guide rail 4 is integrated, and the remaining components are integrated to form a winding mechanism.
[0040] After all components are transported to the construction site, the two sets of first brackets 2 and the two sets of guide rails 4 are assembled.
[0041] The spring clamping mechanism 10 is released to move the driven pulley 11 away from the translation driving pulley 8 , and the driven pulley 11 is twisted by more than 90° in the vertical direction so that the rolling direction of the driven pulley 11 is not in the same plane as the translation driving pulley 8 .
[0042] Place the translation driving pulley 8 of the winding mechanism on the two sets of guide rails 4, and twist the driven pulley 11 through the spring clamping mechanism 10, so that the rolling direction of the driven pulley 11 and the rolling direction of the translation driving pulley 8 are in the same plane. Tighten the spring clamping mechanism 10, reduce the distance between the driven pulley 11 and the translation driving pulley 8, and clamp the guide rails 4, and at the same time ensure that the normal direction of the rotating disk 14 is consistent with the axial direction of the cable 1, as shown in the following figure. Figure 3 Then, the rotating disk driving motor 15 is controlled to drive the opening of the rotating disk 14 to align with the opening of the third bracket 12 .
[0043] The whole mechanism is placed under the cable 1 to be wound, and the cable 1 should enter the center of the rotating disk 14 from the notch on the side of the rotating disk. Then, the cable 1 is fixed with the wire clamp 3. Then, the tape 20 is fixed on the tape fixing shaft 19, and the tape end is led out and wound on the cable 1 after passing through each tape conducting wheel 21.
[0044] The rotating disk drive motor 15 is controlled to drive the rotating disk 14 to rotate at a constant speed, driving the adhesive tape 20 to be wound on the cable 1. During the process, the tension sensor 22 outputs the tension on the adhesive tape 20 to the controller in real time as a feedback signal. The controller adjusts the current loaded on the hysteresis device 23 by judging the feedback signal, so that the hysteresis device 23 outputs a stable torque, so as to realize constant tension control during the winding process of the adhesive tape.
[0045] At the same time, the translation drive motor 7 is controlled to drive the translation drive pulley 8 to drive the winding mechanism to perform uniform linear motion, so that the adhesive tape 20 is wound on the cable 1 at a constant spacing.
[0046] After winding is completed, the translation drive motor 7 and the rotating disk drive motor 15 are controlled to stop at the same time, so that the winding mechanism stops linear motion, the rotating disk drive motor 15 drives the opening of the rotating disk 14 to align with the opening of the third bracket 12, and the tape winding is stopped. Then, the tape is cut and the wire pressing buckle 3 is opened. Finally, the entire device is moved away from under the cable 1.
[0047] The spring clamping mechanism 10 is released to move the driven pulley 11 away from the translation driving pulley 8 , and the driven pulley 11 is twisted by more than 90° in the vertical direction so that the rolling direction of the driven pulley 11 is not in the same plane as the translation driving pulley 8 .
[0048] The winding mechanism is removed from the guide rail 4 , and the guide rail 4 and the first bracket 2 are separated to complete the device recovery.
[0049] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention and are not intended to limit the present invention. A person skilled in the art should understand that the specific implementation of the present invention can be modified or replaced by equivalents, but these modifications or changes are within the scope of protection of the pending claims.
Claims
1. A tension-controllable cable joint insulating tape wrapping machine, characterized in that: The wrapping machine comprises a first bracket (2), a wire pressing buckle (3), a guide rail (4), a second bracket (5), a connecting plate (6), a translation driving motor (7), a translation driving pulley (8), a driving pulley coupling rod (9), a spring clamping mechanism (10), a driven pulley (11), a third bracket (12), a rotating disk fixed pulley (13), a rotating disk (14), a rotating disk driving motor (15), a rotating disk driving wheel (16), a rotating disk driving belt (17), a rotating disk driving gear (18), a tape fixing shaft (19), a tape (20), a tape conducting wheel (21), a tension sensor (22), and a hysteresis device (23).
2. A tension-controllable cable joint insulating tape wrapping machine according to claim 1, characterized in that: The wire pressing buckle (3) is fixed on the first bracket (2), two groups of the first brackets (2) are connected via two groups of the guide rails (4), and the cable (1) is fixed on the two groups of the first brackets (2) by the wire pressing buckle (3).
3. The tension-controllable cable joint insulating tape wrapping machine according to claim 1, characterized in that: The two groups of the second brackets (5) are combined into one body through the connecting plate (6); the translation drive motor (7) is fixed on one of the second brackets (5); the two translation drive pulleys (8) are connected through the drive pulley coupling rod (9), and then connected to the shaft of the translation drive motor (7), and then placed on the two groups of guide rails (4); four spring clamping mechanisms (10) are respectively fixed on the two groups of the second brackets (5) in groups of two, and a driven pulley (11) is fixed under each group of the spring clamping mechanisms (10); the spring clamping mechanisms (10) can also cause the driven pulley (11) to twist and swing.
4. The tension-controllable cable joint insulating tape wrapping machine according to claim 1, characterized in that: The third bracket (12) is fixed on the connecting plate (6). The third bracket (12) has an inner ring structure. The rotating disk fixing pulley (13) is arranged on the circumference of the ring. The rotating disk (14) is fixed on the third bracket (12) through the rotating disk fixing pulley (13). The third bracket (12) is also fixed with the rotating disk driving motor (15). After the rotating disk driving motor (15) passes through the third bracket (12), the rotating disk driving wheel (16) is fixed thereon, and the power is transmitted to the rotating disk driving gear (18) fixed on the third bracket (12) through the rotating disk driving belt (17). The rotating disk driving gear (18) can mesh with the gear on the rotating disk (14) and drive the rotating disk (14) to rotate.
5. The tension-controllable cable joint insulating tape wrapping machine according to claim 1, characterized in that: The rotating disk (14) is fixed with the tape fixing shaft (19) and a plurality of tape conducting wheels (21); the tape (20) is fixed on the tape fixing shaft (19) and is wound on the cable (1) after passing through the tape conducting wheels (21); wherein one of the tape conducting wheels (21) passes through the rotating disk (14) and is connected to the tension sensor (22); the tension sensor (22) and the remaining tape conducting wheels (21) are fixed on the rotating disk (14); the tape fixing shaft (19) passes through the rotating disk (14) and is coaxially connected to the hysteresis device (23); the hysteresis device (23) is fixed on the rotating disk (14).
6. The tension-controllable cable joint insulating tape wrapping machine according to claim 1, characterized in that: By tightening the spring clamping mechanism (10), the two groups of the second brackets (5) can be fixed on the guide rail (4) under the cooperation of the translation driving pulley (8) and the driven pulley (11), and can perform linear motion on the guide rail (4) under the drive of the driving motor (7).
7. The tension-controllable cable joint insulating tape wrapping machine according to claim 1, characterized in that: The third bracket (12) and the rotating disk (14) are both provided with notches on their sides for installation and removal of cables.
8. The tension-controllable cable joint insulating tape wrapping machine according to claim 1, characterized in that: The tension sensor (22) is used to detect in real time the tension acting on the adhesive tape (20) during the winding process, and transmit it to the controller as a tension feedback signal. Combined with the controllability of the output torque of the hysteresis device (23), the purpose of tension control during the winding process of the adhesive tape (20) is achieved.