A cable take-up device

Abstract

The utility model discloses a cable winding and unwinding device relates to cable winding equipment field, the winding mechanism on support subassembly can automatic winding or unwinding cable, and the winding mechanism has the winding circumference surface for cable winding, in the electromagnetic chucking spare, first clamping block fixedly arranged on the winding circumference surface, the second clamping block is slidably connected with first clamping block along the radial direction of winding circumference surface, and the common formation is used for fixing the clamping structure of one end of cable, and the electromagnet is fixedly arranged on first clamping block and can magnetically attract or magnetically repel permanent magnet, and the permanent magnet is fixedly arranged on the second clamping block, the magnetic attraction type chucking spare on winding mechanism can hold the other end of fixed cable, and the remote control can remote transmission control instruction, and the control device wireless connection on remote controller is electrically connected to the electromagnet on support subassembly, and can produce the control signal for controlling the magnetic pole direction of electromagnet according to control instruction. The utility model has little human input, and the cost is low, and can improve the efficiency of cable winding and unwinding.

Description

Technical Field

[0001] This utility model relates to the technical field of cable winding equipment, and in particular to a cable winding and unwinding device. Background Technology

[0002] During cable production, transportation, and on-site installation, cable winding and unwinding equipment is required for cable management. During cable winding, one end of the cable is first secured to the winding roller of the winding and unwinding equipment, such as through a cable retainer. The long cable is then wound up by driving the winding roller to rotate. During cable unwinding, the winding roller is first reversed to release the long cable, while a worker holds one end of the cable and pulls it forward. Once the cable is fully unwound, the worker must remove the other end of the cable from the cable retainer to separate it from the winding and unwinding equipment. Therefore, on-site cable unwinding typically requires two workers working together, or a worker may need to return and remove the cable from the cable retainer.

[0003] It is evident that existing cable winding and unwinding equipment suffers from the following drawbacks: the unwinding operation is cumbersome, affecting efficiency; it requires significant manpower and incurs high costs. Therefore, existing winding and unwinding equipment requires further structural improvements. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a cable winding and unwinding device that requires little manpower, has low cost, and can improve the efficiency of cable winding and unwinding.

[0005] This utility model embodiment provides a cable winding and unwinding device, which includes:

[0006] Support assembly;

[0007] A winding mechanism, which is disposed on the support assembly and configured to automatically wind or unwind the cable, the winding mechanism having a winding circumferential surface for winding the cable;

[0008] An electromagnetic clamping component includes a first clamping block, a second clamping block, a permanent magnet, and an electromagnet. The first clamping block is fixedly disposed on the winding circumferential surface. The second clamping block is slidably connected to the first clamping block along the radial direction of the winding circumferential surface and together form a clamping structure for fixing one end of a cable. The electromagnet is fixedly disposed on the first clamping block and is configured to magnetically attract or repel the permanent magnet. The permanent magnet is fixedly disposed on the second clamping block.

[0009] A magnetic clamp is provided on the winding mechanism and configured to clamp and fix the other end of the cable.

[0010] A remote control, configured to transmit control commands remotely;

[0011] A control device is fixedly mounted on the bracket assembly and electrically connected to the electromagnet. The control device is wirelessly connected to the remote controller and is configured to generate a control signal for controlling the magnetic pole direction of the electromagnet according to the control command.

[0012] The cable winding and unwinding device according to the embodiments of this utility model has at least the following beneficial effects: In the cable winding operation, the direction of the magnetic poles of the electromagnet is changed by the cooperation of the remote controller and the control device, so that the electromagnet and the permanent magnet repel each other magnetically, driving the second clamping block to move away from the first clamping block, so that one end of the cable can be placed between the first clamping block and the second clamping block; then, the direction of the magnetic poles of the electromagnet is changed again, so that the electromagnet and the permanent magnet attract each other magnetically, driving the second clamping block to move closer to the first clamping block and tightly clamping one end of the cable; then, the cable can be wound up by the winding mechanism, and finally, the other end of the cable is clamped and fixed by the magnetic clamping component, realizing the automatic winding of the cable, and making the winding operation simpler and improving the winding efficiency.

[0013] In cable unwinding, the magnetic clamps first release the cable ends from their gripping action. Then, the winding mechanism unwinds the cable. When the cable is almost unwound, a remote control transmits a control command to the control device, which generates a control signal to control the direction of the electromagnet's poles. This changes the direction of the electromagnet's poles, causing the electromagnet and permanent magnet to switch from magnetic attraction to magnetic repulsion. This moves the second clamp away from the first clamp, releasing the clamping action of both the second and first clamps on the cable ends, allowing the cable to separate from the winding mechanism. This simplifies the unwinding process, improves efficiency, eliminates the need for personnel to return and release the cable, and removes the clamping action on-site, saving manpower and reducing costs.

[0014] In some embodiments of this utility model, the winding mechanism includes a winding assembly and a driving assembly. The winding assembly is rotatably mounted on the support assembly. The winding assembly has a rotating connecting end and a winding circumferential surface. The driving assembly is fixedly mounted on the support assembly. The output end of the driving assembly is fixedly connected to the rotating connecting end to drive the winding assembly to rotate in the forward or reverse direction. The magnetic clamping member is mounted on the winding assembly.

[0015] In some embodiments of this utility model, the winding assembly includes a connecting shaft, a winding roller, and an end plate. The connecting shaft is rotatably connected to the support assembly. The winding roller is coaxially arranged with and fixedly connected to the connecting shaft. The end plates are provided at both ends of the winding roller. The outer circumferential surface of the winding roller is the winding circumferential surface. One of the end plates has a U-shaped notch on its outer circumferential surface. The magnetic clamping member is provided at the notch and hinged to the end plate. The magnetic clamping member is adapted to the side wall of the notch.

[0016] In some embodiments of this utility model, the sidewall of the notch is provided with a ferromagnetic element, which is configured to magnetically attract the magnetic clamping element.

[0017] In some embodiments of this utility model, the magnetic clamping member includes a third clamping block, a fourth clamping block, a first magnet, and a second magnet. One end of the third clamping block is hinged to the end plate. The fourth clamping block and the third clamping block are radially slidably connected along the winding circumferential surface and together form a clamping structure for fixing the other end of the cable. The first magnet is fixedly disposed on the third clamping block, and the second magnet is fixedly disposed on the fourth clamping block and configured to magnetically attract the first magnet.

[0018] In some embodiments of this utility model, the magnetic clamping member further includes a second screw, the third clamping block is provided with a second screw hole, the fourth clamping block is provided with a second countersunk hole, the second screw passes through the second countersunk hole and is connected to the second screw hole, and the fourth clamping block is configured to slide relative to the third clamping block along the axial direction of the second screw.

[0019] In some embodiments of this utility model, the electromagnetic clamping member further includes a first screw, the first clamping block is provided with a first screw hole, the second clamping block is provided with a first countersunk hole, the first screw passes through the first countersunk hole and is connected to the first screw hole, and the second clamping block is configured to slide relative to the first clamping block along the axial direction of the first screw.

[0020] In some embodiments of this utility model, the cable winding and unwinding device further includes a rotary encoder, the rotary encoder's rotating shaft being fixedly connected to the connecting shaft, the rotary encoder being electrically connected to the control device, the rotary encoder being configured to measure a first rotation angle of the connecting shaft during cable winding, and a second rotation angle of the connecting shaft during cable unwinding, the control device being further configured to generate a control signal for controlling the magnetic pole direction of the electromagnet when the second rotation angle is greater than or equal to the difference between the first rotation angle and 360°, so that the electromagnet and the permanent magnet repel each other magnetically.

[0021] In some embodiments of this utility model, the cable winding and unwinding device further includes a storage battery, which is fixedly mounted on the bracket assembly and electrically connected to the control device.

[0022] In some embodiments of this utility model, the bottom of the bracket assembly is provided with casters.

[0023] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention may be realized and obtained by means of the structures particularly pointed out in the description, claims, and drawings. Attached Figure Description

[0024] Figure 1 This is a three-dimensional structural diagram of the cable winding and unwinding device according to an embodiment of the present utility model, after omitting the support assembly;

[0025] Figure 2 This is a cross-sectional schematic diagram of the winding assembly provided according to the embodiments of the present utility model when both the electromagnetic clamping member and the magnetic clamping member are in the clamping state;

[0026] Figure 3 This is a cross-sectional schematic diagram of the winding assembly provided according to the embodiments of the present utility model when both the electromagnetic clamp and the magnetic clamp are in a non-clamping state;

[0027] Figure 4 This is a structural schematic diagram of the end plate provided according to an embodiment of the present utility model;

[0028] Figure 5 This is a schematic diagram showing the structure of the control device provided according to the embodiments of the present invention, which is electrically connected to a storage battery, an electromagnetic clamp, a remote controller, and a rotary encoder.

[0029] Reference numerals: 100, winding drum; 101, end plate; 102, winding roller; 103, cavity; 104, notch; 110, connecting shaft; 120, bearing seat; 210, flexible transmission component; 220, driven wheel; 230, driving wheel; 240, reducer; 300, cable; 400, rotary encoder; 410, coupler; 510, electromagnetic clamping component; 511, first clamping block; 512, second clamping block; 513, electromagnet; 514, permanent magnet; 515, first screw; 520, magnetic clamping component; 521, third clamping block; 522, fourth clamping block; 523, first magnet; 524, second magnet; 525, second screw; 526, hinge shaft. Detailed Implementation

[0030] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0031] In the description of this utility model, it should be understood that features specified as "first" or "second" may explicitly or implicitly include one or more of those features. In the description of this utility model, unless otherwise stated, "multiple" means two or more.

[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] The following is for reference. Figures 1 to 5 This invention describes a cable winding and unwinding device provided according to an embodiment of the present invention.

[0034] like Figures 1 to 5 As shown, the cable winding and unwinding device according to the embodiment of this utility model can be applied to the winding and unwinding of cable 300. It has the advantages of unique structural design, simple and convenient operation, low manpower input and low cost. In addition, it can also improve the winding and unwinding efficiency of cable 300.

[0035] The cable winding and unwinding device has a first direction, a second direction, and a vertical direction, wherein the first direction, the second direction, and the vertical direction are arranged perpendicularly to each other. In this embodiment, it is assumed that the first direction is the left-right direction and the second direction is the front-back direction.

[0036] like Figures 1 to 5 As shown, the cable winding and unwinding device includes a support assembly, a winding mechanism, an electromagnetic clamp 510, a magnetic clamp 520, a remote controller, and a control device.

[0037] The support assembly provides a mounting location for the winding mechanism and control device. In this embodiment, the bottom of the support assembly is equipped with casters, which can be equipped with existing braking devices. This configuration allows workers to easily move the cable winding and unwinding device by pushing the support assembly, eliminating the need for manual handling. Of course, it is possible that the support assembly does not have casters. Furthermore, the structure and shape of the support assembly are not limited and can be designed according to actual needs.

[0038] The winding mechanism is mounted on the support assembly and is movable relative to the support assembly. The winding mechanism is configured to automatically wind up or unwind the cable 300. The winding mechanism has a winding circumferential surface for winding the cable 300; in this embodiment, the axial direction of the winding circumferential surface extends along a first direction. When the winding mechanism performs the cable 300 winding operation, the cable 300 can be wound onto the winding circumferential surface.

[0039] Specifically, the winding mechanism includes a winding assembly and a drive assembly. The winding assembly is rotatably mounted on the support assembly and has a rotating connecting end and a winding circumferential surface. The rotating connecting end is located outside the winding circumferential surface. The drive assembly is fixedly mounted on the support assembly, and the output end of the drive assembly is fixedly connected to the rotating connecting end to drive the winding assembly to rotate in the forward or reverse direction.

[0040] Understandably, the drive assembly includes a motor and a transmission structure. The motor is a reversible motor, and the transmission structure can be a gear transmission structure, a belt transmission structure, or a chain transmission structure, etc. The motor drives the rotating connection end of the winding assembly to rotate in the forward or reverse direction through the transmission structure, so that the winding assembly can perform the winding or unwinding function on the cable 300.

[0041] In this embodiment, the drive assembly includes a motor, a driven wheel 220, a driving wheel 230, a reducer 240, and a flexible transmission member 210. The driven wheel 220 is fixedly mounted on the rotating connection end of the winding assembly. The input end of the reducer 240 is connected to the output shaft of the motor, and the output end of the reducer 240 is connected to the driving wheel 230. The flexible transmission member 210 is wound between the driving wheel 230 and the driven wheel 220. The flexible transmission member 210 can be a belt or a chain. When the motor is running, the motor transmits power to the reducer 240, which drives the driving wheel 230 to rotate. Through the power transmission of the flexible transmission member 210, the driving wheel 230 drives the driven wheel 220 to rotate together with the rotating connection end.

[0042] The electromagnetic clamping component 510 includes a first clamping block 511, a second clamping block 512, a permanent magnet 514, and an electromagnet 513. The first clamping block 511 is fixed to the winding circumferential surface, for example, by screw connection or welding, allowing it to rotate along with the winding circumferential surface. The second clamping block 512 is slidably connected to the first clamping block 511 along the radial direction of the winding circumferential surface. The first clamping block 511 is located between the second clamping block 512 and the winding circumferential surface, and together they form a clamping structure for fixing one end of the cable 300.

[0043] It is understood that the clamping structure is a clamping through hole. The surface of the first clamping block 511 facing the second clamping block 512 has an arc-shaped groove, and the surface of the second clamping block 512 facing the first clamping block 511 has an arc-shaped groove. When the first clamping block 511 and the second clamping block 512 are in contact, the arc-shaped grooves of the first clamping block 511 and the second clamping block 512 together define the clamping through hole. The wall surface of the clamping through hole can be provided with multiple protrusions or rubber pads to increase the coefficient of friction between the clamping through hole and the cable 300, thereby enhancing the clamping effect. Through the cooperation of the first clamping block 511 and the second clamping block 512, a stable clamping effect can be applied to one end of the cable 300, fixing the end of the cable 300 to the clamping structure.

[0044] In this embodiment, the electromagnetic clamping member 510 further includes a first screw 515. The first clamping block 511 has a first screw hole, and the second clamping block 512 has a first countersunk hole. The first screw hole and the first countersunk hole are arranged opposite to each other and are connected. The first screw 515 passes through the first countersunk hole and is threadedly connected to the first screw hole, thereby fixing the first screw 515 to the first clamping block 511. Moreover, the first screw 515 can limit the movement distance of the second clamping block 512 relative to the first clamping block 511 and ensure that the second clamping block 512 will not fall off the first clamping block 511, thus preventing the second clamping block 512 from being lost. The second clamping block 512 is configured to slide relative to the first clamping block 511 along the axial direction of the first screw 515. Therefore, when the second clamping block 512 moves away from the first clamping block 511, the distance between the first clamping block 511 and the second clamping block 512 can be increased, thereby releasing the clamping effect of the first clamping block 511 and the second clamping block 512 on the cable 300.

[0045] When the first clamping block 511 and the second clamping block 512 cooperate and clamp the cable 300, the head of the first screw 515 is located in the first countersunk hole and will not come into contact with the cable 300.

[0046] An electromagnet 513 is fixedly mounted on a first clamping block 511, and a permanent magnet 514 is fixedly mounted on a second clamping block 512. The permanent magnet 514 and the electromagnet 513 are arranged opposite each other. Specifically, the electromagnet 513 and the permanent magnet 514 can be installed internally. Moreover, the electromagnet 513 is configured to magnetically attract or repel the permanent magnet 514. It can be understood that by changing the direction of the current flowing through the electromagnet 513, the direction of the magnetic poles of the electromagnet 513 changes, thereby allowing the electromagnet 513 and the permanent magnet 514 to switch between magnetic attraction and magnetic repulsion states.

[0047] For example, the end of the permanent magnet 514 closest to the electromagnet 513 is the N pole, and the end of the permanent magnet 514 furthest from the electromagnet 513 is the S pole. When the end of the electromagnet 513 closest to the permanent magnet 514 is the N pole, the electromagnet 513 and the permanent magnet 514 repel each other, thereby driving the second clamping block 512 to move along the first screw 515 in a direction away from the first clamping block 511. This increases the distance between the first clamping block 511 and the second clamping block 512, facilitating the movement of the cable 3. One end of the cable 300 is placed between the first clamping block 511 and the second clamping block 512. When the end of the electromagnet 513 near the permanent magnet 514 presents the S pole, the electromagnet 513 and the permanent magnet 514 can attract each other, thereby driving the second clamping block 512 to move along the first screw 515 towards the first clamping block 511, so as to reduce the distance between the first clamping block 511 and the second clamping block 512, so that the first clamping block 511 and the second clamping block 512 can tightly clamp the end of the cable 300.

[0048] It is understandable that while using the magnetic attraction between the electromagnet 513 and the permanent magnet 514 to drive the second clamp 512 and the first clamp 511 to firmly clamp the cable 300, the pressure exerted by the cable 300 on the second clamp 512 and the first clamp 511 during the winding process can also be used to enhance the clamping effect of the second clamp 512 and the first clamp 511 on the cable 300. The shapes of the first clamp 511 and the second clamp 512 are not limited and can be set according to actual design requirements.

[0049] The magnetic clamp 520 is provided on the winding mechanism. Specifically, the magnetic clamp 520 is provided on the winding assembly and can rotate together with the winding assembly. Moreover, the magnetic clamp 520 is configured to clamp and fix the other end of the cable 300.

[0050] In this embodiment, the winding assembly includes a take-up drum 100 and a connecting shaft 110. The take-up drum 100 includes a winding roller 102 and an end plate 101. The two ends of the connecting shaft 110 can be mounted on the support assembly via bearing seats 120 to achieve a rotatable connection between the connecting shaft 110 and the support assembly, allowing the connecting shaft 110 to rotate around its central axis on the support assembly. The central axis of the connecting shaft 110 extends along a first direction. The winding roller 102 and the connecting shaft 110 are coaxially arranged, and the winding roller 102 and the connecting shaft 110 can be fixedly connected by a key connection or welding, so that the winding roller 102 can rotate synchronously with the connecting shaft 110. The winding roller 102 has end plates 101 at both ends, which are fixed to the winding roller 102. The end plates 101 can be circular plates with a diameter larger than that of the winding roller 102. The outer circumferential surface of the winding roller 102 is a winding circumferential surface. The inside of the roller 102 is hollow, forming a cavity 103, which reduces the weight of the roller 102.

[0051] One of the end plates 101 has a notch 104 on its outer peripheral surface. The notch 104 is U-shaped when viewed along a first direction and passes through both sides of the end plate 101 along the first direction. A magnetic clamping member 520 is provided at the notch 104 and is hinged to the end plate 101 via a hinge shaft 526, allowing the magnetic clamping member 520 to rotate around the hinge shaft 526 so that it can enter and exit the notch 104. The magnetic clamping member 520 is adapted to and connected to the side wall of the notch 104.

[0052] Understandably, there is a certain amount of friction between the magnetic clamp 520 and the two side walls of the notch 104. This friction allows the magnetic clamp 520 to overcome the friction under external force and rotate relative to the end plate 101, causing it to swing to a position between the two end plates 101 to clamp and fix the end of the cable 300. When the magnetic clamp 520 swings to the notch 104, it can be fixed relative to the end plate 101 under friction. Therefore, when the winding assembly rotates and unwinds or winds the cable 300, the magnetic clamp 520 can rotate with the end plate 101, preventing it from interfering with or hindering the unwinding or winding of the cable 300.

[0053] Furthermore, to enhance the stability of the magnetic clamp 520 at the notch 104, ferromagnetic elements are provided on the two opposite sidewalls of the notch 104. These ferromagnetic elements can be made of ferromagnetic materials such as iron, nickel, or steel, and their specific shape is not limited. The magnetic clamp 520 is configured to rotate to the notch 104 and magnetically attract the ferromagnetic elements. When the magnetic clamp 520 swings to the notch 104, the ferromagnetic elements and the magnetic clamp 520 are positioned opposite each other, and they are magnetically attracted to each other. The operator can apply an external force to the end of the magnetic clamp 520 away from the hinge axis 526 using a lever principle, causing the magnetic clamp 520 to swing.

[0054] During the installation of the hinge shaft 526 of the magnetic clamp 520 onto the end plate 101, it can be fixed to the notch 104 of the end plate 101 by screws using a ferromagnetic component. The ferromagnetic component also limits the hinge shaft 526, allowing it to rotate only relative to the ferromagnetic component and the end plate 101. Alternatively, the hinge shaft 526 can be fixed to the notch 104 of the end plate 101, and the magnetic clamp 520 can be mounted on the hinge shaft 526 and swing relative to it.

[0055] In this embodiment, the magnetic clamp 520 includes a third clamping block 521, a fourth clamping block 522, a first magnet 523, and a second magnet 524. One end of the third clamping block 521 is hinged to the end plate 101 via a hinge shaft 526, allowing the third clamping block 521 to swing relative to the end plate 101. The fourth clamping block 522 is radially slidably connected to the third clamping block 521 along the wound circumferential surface. The third clamping block 521 is located between the fourth clamping block 522 and the wound circumferential surface, and together the third clamping block 521 and the fourth clamping block 522 form a clamping structure for securing the other end of the cable 300.

[0056] It is understood that the clamping structure is a clamping through-hole. The surface of the third clamping block 521 facing the fourth clamping block 522 has an arc-shaped groove, and the surface of the fourth clamping block 522 facing the third clamping block 521 has an arc-shaped groove. When the third clamping block 521 and the fourth clamping block 522 are in contact, the arc-shaped grooves of the third clamping block 521 and the fourth clamping block 522 together define the clamping through-hole. The wall surface of the clamping through-hole can be provided with multiple protrusions or rubber pads to increase the coefficient of friction between the clamping through-hole and the cable 300, thereby enhancing the clamping effect. Through the cooperation of the third clamping block 521 and the fourth clamping block 522, a strong clamping force can be applied to the other end of the cable 300, fixing the end of the cable 300 to the clamping structure.

[0057] In this embodiment, the magnetic clamping member 520 further includes a second screw 525, a third clamping block 521 with a second screw hole, and a fourth clamping block 522 with a second countersunk hole. The second screw hole and the second countersunk hole are opposite to each other and connected. The second screw 525 passes through the second countersunk hole and is threadedly connected to the second screw hole, thereby fixing the second screw 525 to the third clamping block 521. Moreover, the second screw 525 can limit the movement distance of the fourth clamping block 522 relative to the third clamping block 521 and ensure that the fourth clamping block 522 will not fall off the third clamping block 521, preventing the fourth clamping block 522 from being easily lost. The fourth clamping block 522 is configured to slide relative to the third clamping block 521 along the axial direction of the second screw 525. Therefore, when the fourth clamping block 522 moves away from the third clamping block 521, the distance between the third clamping block 521 and the fourth clamping block 522 can be increased, thereby releasing the clamping effect of the third clamping block 521 and the fourth clamping block 522 on the cable 300.

[0058] When the third clamping block 521 and the fourth clamping block 522 are engaged and clamp the cable 300, the head of the second screw 525 is located in the second countersunk hole.

[0059] The first magnet 523 is fixedly mounted on the third clamping block 521, and the second magnet 524 is fixedly mounted on the fourth clamping block 522. The second magnet 524 is positioned opposite to the first magnet 523. The first magnet 523 and the second magnet 524 can be installed by screw connection or by internal mounting. Furthermore, the second magnet 524 is configured to magnetically attract the first magnet 523. Understandably, the magnetic attraction between the first magnet 523 and the second magnet 524 clamps the cable 300 between the third clamping block 521 and the fourth clamping block 522. By applying external force to overcome the magnetic force, the fourth clamping block 522 is moved away from the third clamping block 521, increasing the distance between the third clamping block 521 and the fourth clamping block 522, allowing the cable 300 to be removed from between them. The shapes of the third clamping block 521 and the fourth clamping block 522 are not limited and can be set according to actual design requirements.

[0060] In this embodiment, the electromagnetic clamping member 510 and the magnetic clamping member 520 are located on both sides of the roller 102 along its axial direction.

[0061] Of course, it is not excluded that in other embodiments, the electromagnetic clamping member 510 and the magnetic clamping member 520 are located on the same side of the winding roller 102 along its axial direction. Furthermore, it is not excluded that in other embodiments, the magnetic clamping member 520 is fixedly disposed on the outer peripheral surface of the end plate 101. In addition, multiple magnetic clamping members 520 may be provided and evenly distributed around the outer periphery of the end plate 101, and the end portion of the cable 300 may be clamped by one or more magnetic clamping members 520.

[0062] The remote control is configured to remotely transmit control commands. The control device is fixedly mounted on the bracket assembly, and is electrically connected to the electromagnet 513 via a cable. The control device can wirelessly connect to the remote control via Bluetooth, and is configured to generate control signals to control the magnetic pole direction of the electromagnet 513 according to the control commands.

[0063] In some embodiments, the control device is provided with a power cable capable of receiving mains power to provide the necessary operating power for the control device, drive assembly, and electromagnet 513. In other embodiments, the cable winding device further includes a battery. The battery is fixedly mounted on a support assembly and is electrically connected to the control device via a cable, providing power to the control device, drive assembly, and electromagnet 513.

[0064] Understandably, the control device can be a PLC controller or a 51 microcontroller, etc. Operators can send control commands to the control device via remote control, such as energizing the electromagnet 513, de-energizing the electromagnet 513, and setting the current direction of the electromagnet 513 to positive or negative. This allows the control device to control the working state of the electromagnet 513 and adjust the state of the electromagnetic clamp 510. Additionally, the control device can be electrically connected to the drive assembly, allowing it to send start and stop control signals to the drive assembly.

[0065] The energized coil of electromagnet 513 can be electrically connected to a battery pack and a microcontroller in sequence. The battery pack provides power to both electromagnet 513 and the microcontroller, while the microcontroller controls the on / off state and current direction of electromagnet 513. The battery pack and microcontroller can be located on the side of end plate 101 away from the roller 102 along its axial direction, or they can be located within the cavity 103 of roller 102. The microcontroller can connect to the control device via Bluetooth, or it can connect to a remote control via Bluetooth.

[0066] When the cable winding and unwinding device is used for winding cable 300, the operator first uses a remote control and control device to change the direction of the magnetic poles of electromagnet 513, causing electromagnet 513 and permanent magnet 514 to repel each other magnetically. This drives the second clamping block 512 to move away from the first clamping block 511, making it easier to place one end of cable 300 between the first clamping block 511 and the second clamping block 512. Then, the direction of the magnetic poles of electromagnet 513 is changed again, causing electromagnet 513 and permanent magnet 514 to attract each other magnetically. This drives the second clamping block 512 to move closer to the first clamping block 511 and tightly clamp one end of cable 300. Next, the winding mechanism can be used to wind cable 300. Finally, the magnetic clamping component 520 is used to clamp and fix the other end of cable 300, realizing automatic winding of cable 300. This makes the winding operation simpler and improves winding efficiency.

[0067] When the cable winding and unwinding device is used for unwinding cable 300, the operator first releases the magnetic clamp 520 from the end of the cable 300, and then unwinds the cable 300 through the winding mechanism. When the cable 300 is about to be unwound, the operator uses a remote control to transmit control commands to the control device, which generates a control signal to control the direction of the magnetic poles of the electromagnet 513. This causes the direction of the magnetic poles of the electromagnet 513 to change, resulting in a change in the magnetic attraction between the electromagnet 513 and the permanent magnet 514 from a magnetic attraction state to a magnetic repulsion state. This causes the second clamp 512 to move away from the first clamp 511, thereby releasing the clamping action of the second clamp 512 and the first clamp 511 on the end of the cable 300, making it easier for the cable 300 to separate from the winding mechanism. This simplifies the unwinding operation, improves unwinding efficiency, eliminates the need for operators to return and release the cable 300, and eliminates the need for additional personnel to release the clamping action on-site, thus saving manpower and reducing costs.

[0068] In some embodiments, such as Figure 2 , Figure 3 and Figure 5 As shown, the cable winding and unwinding device also includes a rotary encoder 400. The rotating shaft of the rotary encoder 400 is fixedly connected to the connecting shaft 110. Specifically, the rotating shaft of the rotary encoder 400 is connected to the connecting shaft 110 via a coupler 410. The coupler 410 provides axial positioning and buffering during installation, effectively reducing torsional vibration of the rotating shaft and ensuring precise alignment between the rotary encoder 400 and the connecting shaft 110. The rotary encoder 400 can be, but is not limited to, a photoelectric encoder.

[0069] The rotary encoder 400 is electrically connected to the control device via a cable, and the rotary encoder 400 can transmit the acquired data to the control device. Furthermore, the rotary encoder 400 is configured to measure a first rotation angle of the connecting shaft 110 during cable 300 winding, and a second rotation angle of the connecting shaft 110 during cable 300 unwinding. The control device is also configured to generate a control signal for controlling the magnetic pole direction of the electromagnet 513 when the second rotation angle is greater than or equal to the difference between the first rotation angle and 360°, so that the electromagnet 513 and the permanent magnet 514 magnetically repel each other.

[0070] Understandably, during the cable 300 winding operation, the drive assembly operates and drives the winding assembly to rotate, winding the long cable 300. During this process, the rotary encoder 400 can detect in real-time the first rotation angle rotated by the connecting shaft 110 of the winding assembly when the cable 300 is fully wound. During the cable 300 unwinding operation, the drive assembly operates and drives the winding assembly to rotate in the opposite direction, unwinding the long cable 300. During this process, the rotary encoder 400 can detect in real-time the second rotation angle rotated by the connecting shaft 110 of the winding assembly. When the second rotation angle rotated by the connecting shaft 110 is equal to the difference between the first rotation angle and 360°, the cable 300 is still wound one turn on the winding assembly. At this point, the control device generates a control signal to control the current direction of the electromagnet 513, causing the magnetic pole direction of the electromagnet 513 to change. This causes magnetic repulsion between the electromagnet 513 and the permanent magnet 514, moving the second clamp 512 relative to the first clamp 511 and releasing the end of the cable 300.

[0071] Of course, it is also possible that when the second rotation angle is greater than the difference between the first rotation angle and 360°, but less than or equal to the first rotation angle, the cable 300 is still less than one turn wrapped on the winding assembly. In this case, the control device can generate a control signal for controlling the current direction of the electromagnet 513.

[0072] With this setup, the working state of the electromagnetic clamp 510 can be automatically controlled, allowing the electromagnetic clamp 510 to automatically release the cable 300 when the unwinding operation is about to be completed. This eliminates the need for staff to constantly monitor the unwinding of the cable 300 and control the electromagnetic clamp 510 via remote control. Instead, staff can focus on dragging one end of the cable 300 to the appropriate position, facilitating the installation of long cables 300 and making the unwinding operation simpler and more convenient.

[0073] In addition, when the second rotation angle is greater than or equal to the difference between the first rotation angle and 360°, the control device can not only generate a control signal for controlling the direction of the magnetic poles of the electromagnet 513, but also generate a control signal for controlling the drive assembly to stop working, so that the winding assembly stops rotating in time to save energy.

[0074] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0075] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A cable winding and unwinding device, characterized in that, include: Support assembly; A winding mechanism, which is disposed on the support assembly and configured to automatically wind or unwind the cable, the winding mechanism having a winding circumferential surface for winding the cable; An electromagnetic clamping component includes a first clamping block, a second clamping block, a permanent magnet, and an electromagnet. The first clamping block is fixedly disposed on the winding circumferential surface. The second clamping block is slidably connected to the first clamping block along the radial direction of the winding circumferential surface and together form a clamping structure for fixing one end of a cable. The electromagnet is fixedly disposed on the first clamping block and is configured to magnetically attract or repel the permanent magnet. The permanent magnet is fixedly disposed on the second clamping block. A magnetic clamp is provided on the winding mechanism and configured to clamp and fix the other end of the cable. A remote control, configured to transmit control commands remotely; A control device is fixedly mounted on the bracket assembly and electrically connected to the electromagnet. The control device is wirelessly connected to the remote controller and is configured to generate a control signal for controlling the magnetic pole direction of the electromagnet according to the control command.

2. The cable winding and unwinding device according to claim 1, characterized in that, The winding mechanism includes a winding assembly and a driving assembly. The winding assembly is rotatably mounted on the support assembly. The winding assembly has a rotating connection end and a winding circumferential surface. The driving assembly is fixedly mounted on the support assembly. The output end of the driving assembly is fixedly connected to the rotating connection end to drive the winding assembly to rotate forward or backward. The magnetic clamping member is mounted on the winding assembly.

3. The cable winding and unwinding device according to claim 2, characterized in that, The winding assembly includes a connecting shaft, a winding roller, and end plates. The connecting shaft is rotatably connected to the support assembly. The winding roller is coaxially arranged with and fixedly connected to the connecting shaft. The end plates are provided at both ends of the winding roller. The outer circumferential surface of the winding roller is defined as the winding circumferential surface. One of the end plates has a U-shaped notch on its outer circumferential surface. The magnetic clamping member is provided at the notch and hinged to the end plate. The magnetic clamping member is adapted to the side wall of the notch.

4. The cable winding and unwinding device according to claim 3, characterized in that, The sidewall of the notch is provided with a ferromagnetic element, and the magnetic clamp is configured to rotate to the notch and magnetically attract the ferromagnetic element.

5. The cable winding and unwinding device according to claim 3 or 4, characterized in that, The magnetic clamping component includes a third clamping block, a fourth clamping block, a first magnet, and a second magnet. One end of the third clamping block is hinged to the end plate. The fourth clamping block and the third clamping block are radially slidably connected along the winding circumferential surface and together form a clamping structure for fixing the other end of the cable. The first magnet is fixedly disposed on the third clamping block, and the second magnet is fixedly disposed on the fourth clamping block and configured to magnetically attract the first magnet.

6. The cable winding and unwinding device according to claim 5, characterized in that, The magnetic clamping component further includes a second screw, the third clamping block has a second screw hole, the fourth clamping block has a second countersunk hole, the second screw passes through the second countersunk hole and is connected to the second screw hole, and the fourth clamping block is configured to slide relative to the third clamping block along the axial direction of the second screw.

7. The cable winding and unwinding device according to claim 1, characterized in that, The electromagnetic clamping component further includes a first screw, the first clamping block has a first screw hole, the second clamping block has a first countersunk hole, the first screw passes through the first countersunk hole and is connected to the first screw hole, and the second clamping block is configured to slide relative to the first clamping block along the axial direction of the first screw.

8. The cable winding and unwinding device according to claim 3, characterized in that, It also includes a rotary encoder, the rotary encoder's rotating shaft being fixedly connected to the connecting shaft, the rotary encoder being electrically connected to the control device, the rotary encoder being configured to measure a first rotation angle of the connecting shaft during cable winding, and a second rotation angle of the connecting shaft during cable unwinding, the control device being further configured to generate a control signal for controlling the magnetic pole direction of the electromagnet when the second rotation angle is greater than or equal to the difference between the first rotation angle and 360°, so that the electromagnet and the permanent magnet repel each other magnetically.

9. The cable winding and unwinding device according to claim 1, characterized in that, It also includes a storage battery, which is fixedly mounted on the bracket assembly and electrically connected to the control device.

10. The cable winding and unwinding device according to claim 1, characterized in that, The support assembly is equipped with casters at its bottom.

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