Cable winch for power supply vehicle

Abstract

The invention provides a cable capstan for a power supply vehicle, and belongs to the technical field of cable capstan, the cable capstan comprises a capstan frame, a wire coil group rotatably connected to the capstan frame and a rotating source arranged on the capstan frame and used for driving the wire coil group to rotate, the wire coil group comprises a first reel, a second reel and a third reel, the first reel, the second reel and the third reel are sequentially connected end to end, the interiors of the first reel, the second reel and the third reel are hollow, the first reel, the second reel and the third reel are coaxially provided with a driving shaft located on the winch frame, and the driving shaft is provided with a first clamping piece and a second clamping piece. Relays are fixedly mounted between the first reel and the second reel as well as between the second reel and the third reel; according to the invention, several short cables can be combined for use, and the cables are wound or unwound in a segmented manner, so that the electric energy loss during power supply of short-distance equipment is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of cable winches, and in particular to a cable winch for a power supply vehicle. Background Art

[0002] The cable winch for power supply vehicles is a device designed specifically for mobile power supply vehicles. It is mainly used to store, deploy and recover long-length, high-capacity cables to ensure that the power supply vehicle can safely and efficiently provide power support for various on-site operations. It plays a very important role in emergency repairs and power supply caused by emergencies.

[0003] In conventional applications of cables, in order to power remote devices, the cables carried on board are usually longer. When the cables are released or reeled in, the winch frame and the cable limiter can be used to reel in and release the cables more conveniently and evenly.

[0004] Referring to the Chinese patent application document with publication number CN115448096A and publication date December 9, 2022, entitled Intelligent Cable Winch Device, it includes a winch frame, a power box and a translation box. The translation box drives the cable to translate left and right through the rotation of the ball screw inside the power box, so that the cable is evenly wound on the spool. In this process, the speed of cable winding and the uniformity of winding on the winch frame spool can be guaranteed.

[0005] Referring to the above technical solution, when the power supply vehicle supplies power to short-distance equipment for a long time, in order to prevent the cables from being damaged due to poor heat dissipation, all the cables in the cable winch need to be released. Therefore, during the use of the cable line, it takes a long time to completely release the winch cable, and when powering short-distance equipment, a large amount of cable travel is wasted, which leads to greater energy loss. Summary of the invention

[0006] In view of this, the present application provides a cable winch for a power supply vehicle, which is mainly used to solve the problem of large power loss when winding or unwinding the cable in sections.

[0007] In order to solve the above technical problems, the present application provides a cable winch for a power supply vehicle, including a winch frame, a wire drum group rotatably connected to the winch frame, and a rotating source arranged on the winch frame and used to drive the wire drum group to rotate; the wire drum group includes a first reel, a second reel and a third reel, the first reel, the second reel and the third reel are connected end to end in sequence and are hollow inside, the first reel, the second reel and the third reel are coaxially installed with a driving shaft located on the winch frame, the driving shaft slides horizontally, and a first clamping member and a second clamping member are installed on the driving shaft, the first clamping member is used to achieve relative fixation between the first reel and the second reel or release the relative fixation between the first reel and the second reel, the second clamping member is used to achieve relative fixation between the second reel and the third reel or release the relative fixation between the second reel and the third reel, and a relay is fixedly installed between the first reel and the second reel and between the second reel and the third reel.

[0008] By adopting the above technical solution, when the short-range device is powered, the first clamping member and the second clamping member respectively clamp and fix the second reel and the third reel. At this time, the first reel rotates alone to pay out the line driven by the driving shaft, and the second reel and the third reel are in a stationary state, which can reduce the power loss when the short-range device is powered.

[0009] Optionally, the first clamping member includes a first clamping plate sleeved on the drive shaft and a short fixed clamping plate fixedly installed on the drive shaft, the second reel is provided with a first clamping slot engaged with the first clamping plate and a second clamping slot engaged with the short fixed clamping plate, and the first clamping plate is installed with a telescopic spring.

[0010] By adopting the above technical solution, the drive shaft is extended and retracted to make the short fixed card disengage from the second card slot, and the first card is synchronously engaged with the first card slot, so that the first reel and the second reel rotate synchronously, thereby extending the power supply to the remote device.

[0011] Optionally, the second clamping member includes a second clamping plate sleeved on the drive shaft and a long fixed clamping plate fixedly installed on the drive shaft, the third reel is provided with a third clamping slot engaged with the second clamping plate and a fourth clamping slot engaged with the long fixed clamping plate, and the distance between the first clamping plate and the first clamping slot is greater than the distance between the second clamping plate and the third clamping slot.

[0012] By adopting the above technical solution, the drive shaft is retracted again to disengage the long fixed card plate from the fourth card slot, and the second card plate is synchronously engaged with the third card slot, so as to realize the synchronous rotation of the first reel, the second reel and the third reel, and extend the power supply to the equipment at a longer distance; the distance between the first card plate and the first card slot is greater than the distance between the second card plate and the third card slot, which can ensure that when the first reel and the second reel rotate, the third reel is prevented from rotating synchronously.

[0013] Optionally, an adjusting nut is rotatably connected to the capstan frame, and a thread matching the adjusting nut is provided at the end of the driving shaft.

[0014] By adopting the above technical solution, the rotation of the adjusting nut drives the driving shaft to reciprocate horizontally.

[0015] Optionally, the first reel, the second reel and the third reel are all provided with limit slots, which are parallel to the output and input ends of the relay, and fix the head and tail ends of the cable when the cable is wound and unwound.

[0016] By adopting the above technical solution, the limiting grooves limit and fix the head and tail ends of the cables on the first reel, the second reel and the third reel.

[0017] Optionally, limit posts are installed on the winch frame and correspond to the center positions behind the first reel, the second reel and the third reel respectively.

[0018] By adopting the above technical solution, the middle part of the cable is sleeved on the limiting column to ensure the regularity of the cable.

[0019] Optionally, the first reel, the second reel and the third reel are all provided with heat dissipation holes distributed in an array.

[0020] By adopting the above technical solution, when the cables are rolled up after use, the heat dissipation holes can accelerate the heat dissipation on the surface of the wound cables.

[0021] Optionally, the rotation source includes a driving motor, a driving wheel is installed on the output shaft of the driving motor through a coupling, a driven wheel located on the first reel is installed above the driving wheel, and a conveyor belt is connected between the driving wheel and the driven wheel.

[0022] By adopting the above technical solution, the output shaft of the driving motor drives the active wheel to rotate, and under the connection of the conveyor belt, the driven wheel drives the reel frame to rotate.

[0023] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects: 1. According to the actual needs of the distance of the power supply equipment, two adjacent cable winches are combined and locked to achieve synchronous rotation of multiple cable winches or limit the rotation of only one cable winch, so that several shorter cables can be used in combination or separately, which is more convenient to use and can reduce the power loss when powering close-range equipment.

[0024] 2. When retracting and releasing the cable, fix the two ends of the cable, and then retract and release the cable from both ends to the middle, which can greatly increase the retraction and release speed of the cable; at the same time, it can further reduce energy loss and save costs.

[0025] 3. The middle part of the cable on each cable winch is sleeved with a limiter to ensure the regularity of the cable when it is retracted or released.

[0026] 4. The perforations on the cable winch can ensure the heat dissipation of the cable. When the cable is reeled up after use, the perforations can speed up the air flow on the cable surface, thereby speeding up the heat dissipation and preventing the cable from being damaged by heat. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the structure of a cable winch for a power vehicle in this application; Figure 2 This is a schematic diagram of the structure of the rotating source of this application; Figure 3 This is a schematic diagram of the internal cross-section of the wire drum assembly and the drive shaft of the present application; Figure 4 For this application Figure 3 A partial enlarged view of the middle area A; Figure 5 This is a schematic diagram of the structure of the drive shaft of this application; Figure 6 This is a schematic diagram of the structure of the drive shaft, the first clamping plate and the second clamping plate of the present application; Figure 7 This is a schematic diagram of the structure of the second reel of this application; Figure 8 This is a schematic diagram of the structure of the third reel of this application.

[0028] Explanation of the reference numerals in the accompanying drawings: 1. capstan frame; 11. adjusting nut; 12. limiting column; 2. wire drum assembly; 21. first reel; 22. second reel; 23. third reel; 24. relay; 211. limiting groove; 212. heat dissipation hole; 3. rotation source; 31. driving motor; 32. driving wheel; 33. driven wheel; 34. conveyor belt; 4. driving shaft; 41. first clamping member; 42. second clamping member; 411. first clamping plate; 412. short fixed clamping plate; 413. first clamping slot; 414. second clamping slot; 415. telescopic spring; 421. second clamping plate; 423. long fixed clamping plate; 424. third clamping slot; 425. fourth clamping slot. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the following will be combined with the embodiments of the present application. Figure 1-Figure 8 , the technical scheme of the embodiment of the present application is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the present application, not all of the embodiments. Based on the described embodiment of the present application, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of this application.

[0030] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6 The present embodiment provides a cable winch for a power supply vehicle, including a winch frame 1, on which a wire drum group 2 and a rotation source 3 are rotatably connected, and the rotation source 3 is used to drive the wire drum group 2 to rotate.

[0031] The wire drum group 2 includes a first reel 21, a second reel 22 and a third reel 23, which are connected end to end in sequence and are hollow inside. The first reel 21, the second reel 22 and the third reel 23 are coaxially installed with a drive shaft 4 located on the winch frame 1. The drive shaft 4 slides horizontally, and a first clamping member 41 and a second clamping member 42 are installed on the drive shaft 4. The first clamping member 41 is used to achieve relative fixation between the first reel 21 and the second reel 22 or release the relative fixation between the first reel 21 and the second reel 22. The second clamping member 42 is used to achieve relative fixation between the second reel 22 and the third reel 23 or release the relative fixation between the second reel 22 and the third reel 23. A relay 24 is fixedly installed between the first reel 21 and the second reel 22 and between the second reel 22 and the third reel 23.

[0032] When powering a short-distance device, the first clamping member 41 and the second clamping member 42 are respectively clamped and fixed to the second reel 22 and the third reel 23. At this time, only the first reel 21 is rotated and unwound under the drive shaft 4. When the distance of the device is far enough, the unwound of the first reel 21 is completed, and the drive shaft 4 drives the first clamping member 41 to move horizontally, so that the clamping and fixation between the second reel 22 and the first reel 21 are cancelled, and the cable head at the tail of the first reel 21 and the cable head at the head of the second reel 22 are respectively connected to the relay between the first reel 21 and the second reel 22. 24 is connected, so that the cables on the first reel 21 and the second reel 22 are electrically connected, and the first reel 21 and the second reel 22 rotate synchronously, thereby extending the cable supply length; similarly, after the second reel 22 completes the wire release, the second clamping member 42 cancels the clamping fixation of the third reel 23 and the second reel 22, and the cable heads on the second reel 22 and the third reel 23 are respectively connected to the relay 24, and the first reel 21, the second reel 22 and the third reel 23 rotate synchronously, which can further extend the cable supply length to meet the power supply needs of equipment at a longer distance.

[0033] Reference Figure 2 , Figure 5 , Figure 6 and Figure 7The first clamping member 41 includes a first clamping plate 411, a short fixed clamping plate 412, a first clamping groove 413, a second clamping groove 414 and a telescopic spring 415. The first clamping plate 411 is sleeved and installed on the driving shaft 4, and the short fixed clamping plate 412 is fixedly installed on the driving shaft 4. The first clamping groove 413 and the second clamping groove 414 are both opened in the second reel 22. The first clamping plate 411 is meshed with the first clamping groove 413, and the second clamping groove 414 is meshed with the short fixed clamping plate 412. A telescopic spring 415 is installed on the first clamping plate 411.

[0034] As the drive shaft 4 slides horizontally, the short fixed card plate 412 and the second card slot 414 are disengaged, and the first clamping member 41 cancels the clamping fixation of the first reel 21 and the second reel 22, and the first clamping member 411 and the first card slot 413 are synchronously engaged, and the first reel 21 and the second reel 22 rotate at the same time, thereby extending the usable length of the cable and making the cable adapt to the demand for power supply for remote devices. When the second clamping member 42 cancels the fixation of the second reel 22 and the third reel 23, the drive shaft 4 moves horizontally, and the first clamping member 411 and the first card slot 413 can be kept in a relatively static state under the extension and contraction of the telescopic spring 415.

[0035] Reference Figure 2 , Figure 5 , Figure 6 , Figure 7 and Figure 8 The second clamping member 42 includes a second clamping plate 421, a long fixed clamping plate 423, a third clamping slot 424 and a fourth clamping slot 425. The second clamping plate 421 is sleeved and installed on the drive shaft 4, the long fixed clamping plate 423 is fixedly installed on the drive shaft 4, the third clamping slot 424 and the fourth clamping slot 425 are both opened in the third reel 23, the second clamping plate 421 is meshed with the third clamping slot 424, the long fixed clamping plate 423 is meshed with the fourth clamping slot 425, and the distance between the first clamping plate 411 and the first clamping slot 413 is greater than the distance between the second clamping plate 421 and the third clamping slot 424.

[0036] Under the horizontal sliding of the driving shaft 4, the long fixed card plate 423 and the fourth card slot 425 are driven to disengage, the second clamping member 42 cancels the clamping fixation of the second reel 22 and the third reel 23, and the second clamping plate 421 and the third card slot 424 are synchronously engaged, so that the first reel 21, the second reel 22 and the third reel 23 rotate at the same time, and the use length of the cable is extended again, so that the cable can adapt to the power supply requirements of longer-distance equipment; the distance between the first clamping plate 411 and the first card slot 413 is greater than the distance between the second clamping plate 421 and the third card slot 424. When the first clamping plate 411 cancels the clamping fixation of the first reel 21 and the second reel 22, the first reel 21 and the second reel 22 rotate synchronously, which can ensure that the second clamping plate 421 and the third card slot 424 are not in contact, preventing the third reel 23 from rotating synchronously.

[0037] Reference Figure 1 and Figure 3 An adjusting nut 11 is rotatably connected to the capstan frame 1 , and a thread matching the adjusting nut 11 is provided at the end of the driving shaft 4 .

[0038] The thread at the end of the driving shaft 4 is matched with the adjusting nut 11 , and the driving shaft 4 is driven to slide horizontally by rotating the adjusting nut 11 .

[0039] Reference Figure 3 and Figure 4 The first reel 21, the second reel 22 and the third reel 23 are all provided with limit slots 211, which are parallel to the output end and the input end of the relay 24, and are used to fix the head and tail ends of the cable when the cable is wound and unwound.

[0040] The head and tail ends of the cable are limited and fixed by the limiting grooves 211, and the cable is retracted and released from both ends to the middle, which can improve the retracting and releasing speed of the cable to a certain extent.

[0041] Reference Figure 2 The capstan frame 1 is provided with limit posts 12 which correspond to the central positions behind the first drum 21, the second drum 22 and the third drum 23 respectively.

[0042] The middle part of the cable is sleeved on the limiting column 12, which can ensure the regularity of the cable and prevent the middle part of the cable from slipping after the cable is wound.

[0043] Reference Figure 1 and Figure 2 The first reel 21 , the second reel 22 and the third reel 23 are all provided with heat dissipation holes 212 distributed in an array.

[0044] After the cable is rolled up after use, the cable surface corresponding to the heat dissipation holes 212 can ensure air circulation, which can accelerate the heat dissipation of the cable surface and avoid the cable being damaged faster due to slow heat dissipation.

[0045] Reference Figure 2 The rotation source 3 includes a driving motor 31, a driving wheel 32, a driven wheel 33 and a conveyor belt 34. The driving wheel 32 is installed on the output shaft of the driving motor 31 through a coupling. The driven wheel 33 located on the first reel 21 is installed above the driving wheel 32. A conveyor belt 34 is connected between the driving wheel 32 and the driven wheel 33.

[0046] The output shaft of the driving motor 31 drives the active wheel 32 to rotate. Under the connection of the conveyor belt 34, the driven wheel 33 rotates synchronously with the active wheel 32, and then the first reel 21 connected to the driven reel 33 rotates alone, or the first reel 21 and the second reel 22 rotate synchronously, or the first reel 21, the second reel 22 and the third reel 23 rotate synchronously.

[0047] The implementation principle of a cable winch for a power vehicle in the embodiment of the present application is: When powering a short-distance device, the first clamping member 41 and the second clamping member 42 are respectively clamped and fixed to the second reel 22 and the third reel 23. At this time, only the first reel 21 is driven by the driving shaft 4 to rotate and pay out the line, which can reduce the power loss when powering the short-distance device. When the distance of the device is far enough, the first reel 21 completes the unwinding, the driving shaft 4 drives the first clamping member 41 to move horizontally, drives the short fixed clamping plate 412 and the second clamping slot 414 to disengage, synchronizes the first clamping plate 411 and the first clamping slot 413 to engage, makes the first reel 21 and the second reel 22 rotate at the same time, extends the use length of the cable, and connects the cable head at the tail of the first reel 21 and the head of the second reel 22 to the relay 24 between the first reel 21 and the second reel 22 respectively, so that the cables on the first reel 21 and the second reel 22 are electrically connected, and the power supply to the remote device is extended; Similarly, after the second reel 22 completes paying out the wire, the drive shaft 4 drives the first clamping piece 41 to move horizontally, driving the long fixed clamping plate 423 and the fourth clamping slot 425 to disengage, and synchronously engaging the second clamping plate 421 and the third clamping slot 424, so that the first reel 21, the second reel 22 and the third reel 23 rotate at the same time, thereby extending the usable length of the cable again, making the cable suitable for powering devices at farther distances. According to the actual distance between the power supply end of the power supply vehicle and the power supply equipment, several shorter cables are used in combination to reduce the power loss when powering close-range devices.

[0048] In addition, it should be noted that in the description of this application, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0049] The above is a preferred embodiment of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles described in the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A cable winch for a power vehicle, comprising a winch frame (1), a wire drum group (2) rotatably connected to the winch frame (1), and a rotation source (3) disposed on the winch frame (1) and used to drive the wire drum group (2) to rotate, characterized in that: The wire drum assembly (2) comprises a first reel (21), a second reel (22) and a third reel (23), the first reel (21), the second reel (22) and the third reel (23) being connected end to end in sequence and having a hollow interior, the first reel (21), the second reel (22) and the third reel (23) being coaxially mounted with a drive shaft (4) located on the capstan frame (1), the drive shaft (4) sliding horizontally, a first clamping member (41) and a second clamping member (42) being mounted on the drive shaft (4), the first clamping member (41) and the second clamping member (42) being disposed on the first reel (21). ) is used to achieve relative fixation between the first reel (21) and the second reel (22) or to release the relative fixation between the first reel (21) and the second reel (22); the second clamping member (42) is used to achieve relative fixation between the second reel (22) and the third reel (23) or to release the relative fixation between the second reel (22) and the third reel (23); a relay (24) is fixedly installed between the first reel (21) and the second reel (22) and between the second reel (22) and the third reel (23).

2. A cable winch for a power supply vehicle according to claim 1, characterized in that: The first clamping member (41) comprises a first clamping plate (411) sleeved on the drive shaft (4) and a short fixed clamping plate (412) fixedly mounted on the drive shaft (4); the second reel (22) is provided with a first clamping groove (413) engaged with the first clamping plate (411) and a second clamping groove (414) engaged with the short fixed clamping plate (412); and a telescopic spring (415) is mounted on the first clamping plate (411).

3. A cable winch for a power supply vehicle according to claim 2, characterized in that: The second clamping member (42) comprises a second clamping plate (421) sleeved on the drive shaft (4) and a long fixed clamping plate (423) fixedly mounted on the drive shaft (4); the third reel (23) is provided with a third clamping groove (424) engaged with the second clamping plate (421) and a fourth clamping groove (425) engaged with the long fixed clamping plate (423); and the distance between the first clamping plate (411) and the first clamping groove (413) is greater than the distance between the second clamping plate (421) and the third clamping groove (424).

4. The cable winch for a power supply vehicle according to claim 1, characterized in that: An adjusting nut (11) is rotatably connected to the capstan frame (1), and a thread matching the adjusting nut (11) is provided at the end of the driving shaft (4).

5. The cable winch for a power supply vehicle according to claim 1, characterized in that: The first reel (21), the second reel (22) and the third reel (23) are all provided with limit slots (211), the limit slots (211) are parallel to the output end and the input end of the relay (24), and are used to fix the head and tail ends of the cable when the cable is wound up and unwound.

6. The cable winch for a power supply vehicle according to claim 1, characterized in that: Limiting posts (12) are installed on the winch frame (1) and correspond to the central positions behind the first reel (21), the second reel (22) and the third reel (23).

7. The cable winch for a power supply vehicle according to claim 1, characterized in that: The first reel (21), the second reel (22) and the third reel (23) are all provided with heat dissipation holes (212) distributed in an array.

8. The cable winch for a power supply vehicle according to claim 1, characterized in that: The rotation source (3) comprises a driving motor (31), an output shaft of the driving motor (31) is mounted with a driving wheel (32) via a coupling, a driven wheel (33) located on the first reel (21) is mounted above the driving wheel (32), and a conveyor belt (34) is connected between the driving wheel (32) and the driven wheel (33).

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