CN106956963B - Cable winder - Google Patents

Abstract

The invention provides a cable winder. The cable winder comprises a wire winding disc (100), a base (200), a power device (300) and a transmission device (400); wherein: the wire spool (100) is rotatably arranged on the base (200), and the power device (300) and the transmission device (400) are both arranged on the base (200); the power device (300) is in transmission fit with the transmission device (400) and is used for driving the wire spool (100) to take up and pay off the cable. The cable winder provided by the invention can solve the problem that the cable directly wound from the cable reel is easy to be knotted in the prior art.

Description

cable winder

technical field

The invention relates to the technical field of electrical equipment construction, in particular to a cable winder.

Background technique

We know that the cable wires of the finished cables purchased in general are all wound on a wooden disc. When the cable laying operation is carried out, the entire cable needs to be transported to the work site. After the laying work is completed, the remaining The cable is shipped back with the cable reel and stored. At the same time, in the process of cable laying, due to the large volume and weight of the directly purchased and used cable reels, it is often necessary to lay the cable reels flat and then wind the cables round and round. There is a phenomenon of curling in the cable, which makes the cable easy to knot during the laying process and causes damage to the cable. This situation not only causes economic loss to the enterprise, but also increases the workload of workers, resulting in a great waste of manpower and material resources.

It can be seen from the above that it is an urgent problem to be solved to provide a cable winder that can automatically retract and unwind the cable.

Contents of the invention

The present invention provides a cable winder to solve the problem that the current cables directly wound from the cable reel are prone to knotting as described in the background art.

In order to solve the above technical problems, the present invention discloses the following technical solutions:

A cable winder comprising a winding reel for winding a cable;

The cable reel also includes a base, a power unit and a transmission; wherein:

The winding reel is rotatably mounted on the base; the power device and the transmission device are both mounted on the base;

The power device is in transmission cooperation with the transmission device, and is used to drive the winding reel to retract the cable.

Preferably, in the above-mentioned cable winder:

The winding reel includes a winding column, a baffle and a rotating shaft; wherein:

Both ends of the winding post are fixedly connected with the baffle plate, and the three form a wire-holding space;

The rotating shaft is fixed concentrically with the winding post, and the rotating shaft passes through the baffle; the rotating shaft and the base form a rotating pair that rotates around the axis of the rotating shaft.

Preferably, in the above-mentioned cable winder:

The baffle plate protrudes from the winding post and is provided with a fixing hole.

Preferably, in the above-mentioned cable winder:

The base includes two tripods, and the two ends of the reel are respectively hinged to the tops of the two tripods.

Preferably, in the above-mentioned cable winder:

The base also includes rollers mounted on the bottom of the tripod.

Preferably, in the above-mentioned cable winder:

The power device includes a first power sub-module, and the first power sub-module includes a mount, a motor, a control device and an operation remote control; wherein:

The mounting seat is mounted on the base; the motor is mounted on the mounting seat, and the motor has a drive shaft fixed with a first drive gear;

The operation remote control can control the motor through the control device, so as to control the winding reel to retract and retract the cable.

Preferably, in the above-mentioned cable winder:

The power device also includes a second power sub-module, and the second power sub-module includes a manual drive device and a rocker arm; wherein:

The manual driving device is installed on the mounting seat; the manual driving device has a second driving gear;

The rocker arm cooperates with the manual driving device to drive the winding reel to retract the cable;

Both the first drive gear and the second drive gear can drive and cooperate with the transmission device.

Preferably, in the above-mentioned cable winder:

The transmission device includes a driven gear, a swing arm, a conversion gear and a shift lever; wherein:

The driven gear is connected to the winding reel; both ends of the swing arm are respectively hinged to the driven gear and the conversion gear;

The conversion gear meshes with the driven gear, and the conversion gear is meshable with the first driving gear or the second driving gear;

The bottom end of the gear operating rod is hinged with the mounting seat, the top end of the gear operating rod is the gear operating end, and the gear operating rod has a slideway extending from the bottom end to the top direction. ;

The axle of the conversion gear can be slidably engaged with the slideway to drive the conversion gear to switch between the first working state, the second working state and the third working state; wherein:

In the first working state, the conversion gear meshes with the first driving gear for transmission;

In the second working state, the conversion gear meshes with the second drive gear for transmission;

In the third working state, the conversion gear is disengaged from both the first driving gear and the second driving gear.

Preferably, in the above-mentioned cable winder:

It also includes a measuring device, which is used to measure the length of the retracted cable; the measuring device includes a mounting frame and a measuring roller; wherein:

The bottom end of the installation frame is fixed on the base, and the top end is arranged above the winding reel; the measuring roller rolls and fits the retracted cable.

Preferably, in the above-mentioned cable winder:

The measuring device also includes a pinch wheel, a display screen, a control system and control buttons; wherein:

The pressing wheel is fixed above the measuring roller, and the pressing wheel is used to compress the cable;

The display screen is installed on the installation frame to display the value of the length of the retracted cable;

Both the control system and the control button are connected to the power device, and the control button and the control system can control the power device, so as to control the winding reel to retract and retract the cable.

The working process of the cable winder provided by the present invention is as follows:

When it is necessary to lay cables, the finished cables purchased directly can be used as an intermediate piece to transport the cables instead of transporting the entire cable to the work site. One end of the cable can be wound on the winding reel, and the power device can provide driving force. Through the transmission of the transmission device, the power device can then drive the winding reel installed on the base to rotate, thus completing the winding of the cable. Work. Then transport the cable winder wrapped with the cable to the work site, the power device continues to provide driving force, and through the transmission action of the transmission device, the winding coil is driven to wind the cable, and the staff can lay the wound cable .

It can be seen from the above that the cable winder provided by the present invention can solve the problem that the cable directly wound from the cable reel is prone to knotting as mentioned in the background art.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the background technology, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the background technology. Obviously, for those of ordinary skill in the art, Other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is a schematic structural view of a cable winder provided by an embodiment of the present invention;

Fig. 2 is a schematic structural view of the winding disc of the cable winder shown in Fig. 1;

Fig. 3 is a schematic diagram of the assembly of the power unit and transmission of the cable winder shown in Fig. 1;

Fig. 4 is a schematic structural view of the power device of the cable winder shown in Fig. 1;

Fig. 5 is a schematic structural view of the transmission device of the cable winder shown in Fig. 1;

Fig. 6 is a structural schematic diagram of the measuring device of the cable winder shown in Fig. 1 .

Explanation of reference signs:

100-winding reel, 110-winding post, 120-baffle plate, 121-wire fixing hole, 130-rotation shaft, 200-base, 210-tripod, 220-roller, 300-power device, 310-installation Seat, 320-electric motor, 330-control device, 340-operating remote controller, 350-manual driving device, 360-rocker arm, 400-transmission device, 410-driven gear, 420-swing arm, 430-converting gear, 440 -Gear operation lever, 500-measurement device, 510-installation frame, 520-measurement roller, 530-pressing wheel, 540-display screen, 550-control system, 560-control button.

detailed description

An embodiment of the present invention provides a cable winder to solve the problem that the current cable directly wound from the cable reel is prone to knotting as described in the background art.

In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

Please refer to FIG. 1 , which is a schematic structural diagram of a cable winder provided by an embodiment of the present invention. The cable winder provided by the embodiment of the present invention includes a winding reel 100 , a base 200 , a power device 300 and a transmission device 400 .

Wherein, the winding reel 100 can be a cable reel that is directly purchased and wrapped with cables, and the winding reel 100 can be installed on the base 200 through its own components, and the winding reel 100 can rotate along its axis; the base 200 is generally The mechanism base can be a metal frame or other hard structures; the power device 300 is a driving device, which can be a motor or other power devices that can provide kinetic energy, and the power device 300 can be installed on the base 200 by welding or other fasteners; The transmission device 400 can usually be a gear assembly, which can be installed on the base 200 through fasteners or other components; as shown in Figure 3, Figure 3 is a simplified assembly diagram of the power device and transmission device of the cable winder shown in Figure 1 The power device 300 can cooperate with the transmission device 400, so that the power device 300 can provide a driving force to drive the winding reel 100 to rotate, thereby completing the work of retracting or releasing the cables.

In this device, the winding reel 100 can be used as a cable holding device, and the winding reel 100 can rotate on the base 200 around its axis; the base 200 is the structural basis for installing other components; the power unit 300 and the transmission The devices 400 are installed on the base 200, and the power device 300 and the transmission device 400 are in transmission cooperation; the power device 300 can provide the driving force for the rotation of the winding reel 100, and the transmission device 400 can be used to transmit the driving force to the winding reel 100. The wire reel 100, obviously, the driving force can be used to rotate around the wire reel 100, so as to complete the work of retracting and unwinding the cables.

Further, the winding reel 100 can be a directly purchased cable reel wrapped with cables, or it can be made by processing several parts, as shown in Figure 2, Figure 2 is the winding of the cable winder shown in Figure 1 Schematic diagram of the structure of the wire reel; Both ends of the winding column 110 can be fixedly connected with the baffle plate 120, and a wire space can be formed between the three; the rotating shaft 130 can be concentrically fixed with the winding column 110, and the rotating shaft 130 can pass through the baffle plate 120; The shaft 130 and the base may form a rotation pair that rotates around the axis of the rotation shaft 130 .

Specifically, the winding column 110 can be a wooden cylinder, and the baffle 120 can be a circular or other shaped wood veneer, and both ends of the winding column 110 can be fixed to the baffle 120 by steel nails or other fasteners. Connection, obviously, can form the wire space among the three, and the wire space can be used to accommodate the cable; the rotating shaft 130 can be a wooden or metal rod-shaped piece, and the rotating shaft 130 can be connected with the winding shaft by a fastener. The wire column 110 is concentrically fixed, so that both ends of the rotating shaft 130 can pass through the baffle plate 120, and the two ends of the rotating shaft 130 are connected to the base 200 in rotation, that is, the rotating shaft 130 can drive the winding column 110 to rotate on the base 200 , and the axis of rotation is the axis of the winding column 110 .

Considering that the device can both pay out and take up wires, a wire fixing hole 121 can be provided at the place where the baffle plate 120 protrudes from the winding post 110 .

Specifically, the fixing hole 121 can be drilled at the place where the baffle plate 120 protrudes from the winding post 110 . When it is necessary to wind the cable on the empty winding reel 100, the staff can first fix one end of the cable on the wire fixing hole 121, and then start the power unit 300, through the transmission of the transmission device 400, it can be convenient Quickly realize the purpose of winding up the wire.

A specific preferred solution is that the base 200 can include two tripods 210, the tripods 210 can be hard metal frames, and the winding reel 100, to be exact, the two sides of the rotating shaft 130 can be connected by bearings or other hinges. The ends are respectively hinged with the top ends of the two tripods 210. Obviously, the winding reel 100 can rotate around its axis on the base 200 to complete the retracting work of the cables.

Further, the base 200 may further include rollers 220 , and the rollers 220 may be installed at the bottom of the tripod 210 .

Specifically, the roller 220 can be a wheel with a wheel shaft, and the wheel shaft of the roller 220 can be fixedly connected to the tripod 210, so that the device can move under the rolling action of the roller 220, so that the device can easily change the working place . At the same time, a plurality of rollers 220 can be installed to ensure the stability of the device when moving, and the installation positions of the plurality of rollers 220 at the bottom ends of the two tripods 210 are completely symmetrical.

The power device 300 may include a first power sub-module, as shown in FIG. 4 , which is a schematic structural diagram of the power device of the cable winder shown in FIG. 1 , and the first power sub-module may include a mount 310, a motor 320, and a control device 330 and operate the remote controller 340 . Wherein, the mount 310 can be mounted on the base 200; the motor 320 can be mounted on the mount 310, and the drive shaft of the motor 310 can be fixed with a first drive gear; the remote controller 340 can control the motor through the control device 330 320 start and stop and the direction of rotation are used to control the corresponding actions of the winding reel 100, so as to complete the work of retracting and unwinding the cables.

Specifically, the mounting base 310 can be a metal mounting frame, and the mounting base 310 can be installed on the base 200 by means of fasteners or welding; those skilled in the art can select a suitable model and power motor 320 according to the work requirements, and can use Threaded fasteners install the motor 320 on the mount 310, and the drive shaft of the motor 320 can be fixedly connected with a gear of suitable size, which is the first drive gear, and the first drive gear can be matched with the transmission device 400; operate the remote control 340 and the control device 330 can be supporting control components, and the control device 330 can be installed on the side of the motor 320 through threaded fasteners, and the control device 330 can be connected with the motor 320 through a circuit. When operating the device, the operating remote control 340 can be an infrared remote control, and the opening, closing and rotation direction of the motor 320 can be controlled by operating the remote control 340 and the control device 330. Correspondingly, the winding reel 100 correspondingly connected to the motor 320 It can also complete the work of retracting and retracting the cables.

Considering that the workplace of the device may not be able to connect to an external power supply, the power device 300 may also include a second power sub-module, the second power sub-module may include a manual drive device 350 and a rocker arm 360, and the manual drive device 350 may be installed on On the mounting base 310, the manual driving device 350 can have a second driving gear; the rocker arm 360 can cooperate with the manual driving device 350 to provide a driving force to rotate the winding reel 100 so as to complete the work of retracting and unwinding the cable.

Specifically, the manual drive device 350 can be a gear set, and the rocker arm 360 can be a rocker matched with the manual drive device 350; the staff can manually drive the rocker arm 360 to drive the manual drive device 350 to rotate, and the manual drive device 350 has The second driving gear can be connected with the transmission device 400 in transmission, and then drive the winding reel 100 to rotate, and finally the work of retracting and unwinding the cable can be completed.

Further, as shown in FIG. 5 , FIG. 5 is a structural schematic diagram of the transmission device of the cable winder shown in FIG. 1 , the transmission device 400 may include a driven gear 410 , a swing arm 420 , a conversion gear 430 and a shift lever 440 . Wherein, the driven gear 410 can be connected with the winding reel 100; the two ends of the swing arm 420 can be respectively hinged with the driven gear 410 and the conversion gear 430; the conversion gear 430 can mesh with the driven gear 410, and the conversion gear 430 can also Mesh with the first drive gear or the second drive gear; the bottom end of the gear operating lever 440 can be hinged with the mounting base 310, the top of the gear operating lever 440 can be a gear operating end, and the gear operating lever 440 can have its own A slideway extending from the bottom end to the top end; the axle of the conversion gear 430 can be slidably engaged with the slideway to drive the conversion gear 430 to switch between the first working state, the second working state and the third working state.

It should be noted that, in the first working state, the conversion gear 430 can engage with the first driving gear for transmission; in the second working state, the conversion gear 430 can engage with the second driving gear for transmission; in the third working state, The conversion gear 430 is disengaged from both the first drive gear and the second drive gear.

Specifically, the driven gear 410 and the conversion gear 430 can be mechanical gear parts, the swing arm 420 can be a plate-shaped metal strip, and the gear lever 440 can be a strip-shaped metal ring. The driven gear 410 can be sleeved and fixed on one end of the rotating shaft 130 passing through the baffle plate 120, so that the driven gear 410 can drive the winding reel 100 to rotate; The two ends of the swing arm 420 are hinged, and the driven gear 410 can be meshed with the conversion gear 430 so that the conversion gear 430 can drive the driven gear 410 to rotate. The conversion gear 430 can swing with the swing arm 420, so that the conversion gear 430 can be meshed with the first drive gear in the first power sub-module or the second drive gear in the second power sub-module, the first power sub-module and the second power sub-module The power sub-module can provide driving force for the rotation of the conversion gear 430; the bottom end of the gear operating lever 440 can be hinged on the mounting base 310 through a connecting piece, and the top can be movable. As a gear operating end, the gear operating lever 440 can be provided with The slideway extending from its bottom to the top direction can process the slideway in the middle part of the strip metal plate by cutting or other processing methods; the axle of the conversion gear 430 can slide with the slideway, obviously As the conversion gear 430 slides on the slideway, the conversion gear 430 can mesh with the first drive gear or the second drive gear respectively, and can be disengaged from the above two. Correspondingly, the three different meshes of the conversion gear 430 The states respectively correspond to three working states, which are the first working state, the second working state and the third working state.

Wherein, in the first working state, the conversion gear 430 can be meshed with the first driving gear for transmission. In this case, through an external power supply, the first power sub-module can provide driving force to drive the conversion gear 430 to rotate, and finally drive the winding The disk 100 rotates; considering that there may be a situation where an external power supply cannot be connected to the workplace, correspondingly, the conversion gear 430 can be operated in the second working state, and the conversion gear 430 can be meshed with the second driving gear for transmission. In this working state , driven by human power, the second power sub-module can provide driving force to drive the conversion gear 430 to rotate, and also can achieve the purpose of rotating the winding reel 100 to complete the retraction and release of the cable. Since the device can not be connected to an external power supply, the pay-off work can be completed with a very small driving force, that is, in the third working state, the conversion gear 430 is disengaged from the first driving gear and the second driving gear. The gear 430 is in a suspended state, and the staff can pull one end of the cable and walk along the laying path to complete the work of winding the cable, which saves time and effort, and the cable will not be coiled.

Because in the cable laying work, it often takes a lot of manpower and material resources to directly transport the entire cable to the work site, and there may also be a small length of the cable that needs to be laid, resulting in the laying of the completed cable. There are many surpluses, and the remaining cables have to be transported back with cable reels, which causes a great waste of manpower and material resources. In order to know more exactly the length of the cable being retracted, in this device, the cable winder can also include a measuring device 500, as shown in Figure 6, which is a structural schematic diagram of the measuring device of the cable winder shown in Figure 1 , the measuring device 500 may include a mounting frame 510 and a measuring roller 520 . Wherein, the bottom end of the mounting frame 510 can be fixed on the base 200, and the top end can be set above the winding reel 100; the retracted cable can be rolled and attached to the measuring roller 520, so that the measuring roller 520 can complete the cable alignment. Line measurement work. When the cable laying operation is required, the staff can first directly measure the length of the cable to be laid from the site, and then use this device as the medium to wind the cable from the directly purchased cable reel and wind it to the winding of the device. On the reel 100 , under the action of the measuring roller 520 , the staff can choose to wind the cable whose length is equal to or slightly greater than the required length on the reel 100 . In this way, it can be taken on demand, saving more manpower and material resources, and greatly increasing the labor efficiency of workers.

Specifically, the mounting frame 510 can be a metal frame, and the mounting frame 510 can be fixed on the base 200 by means of threaded fasteners or welding, and part of the structure at the top of the mounting frame 510 can be located above the winding reel 100, The measuring roller 520 can be a measuring head of a meter counter or other length measuring devices, and the measuring roller 520 can be installed on the installation frame 510 by fasteners, and the cable can be rolled and attached to the measuring roller 520 .

In order to obtain the value of the measured cable more clearly, the measuring device 500 may further include a pressing wheel 530 , a display screen 540 , a control system 550 and a control button 560 . Wherein, the pressing wheel 530 can be fixed on the top of the measuring roller 520; the display screen 540 can be installed on the mounting frame 510; Correspondingly, the power device 300 can control the rotation of the winding reel 100 .

Specifically, the pressing wheel 530 can be a rubber wheel, and the axle of the pressing wheel 530 can be fixedly connected to the installation frame 510. Correspondingly, the pressing wheel 530 can be positioned above the measuring roller 520, so that the cable and the measuring roller The rolling of 520 fits closer; the display screen 540 can be a liquid crystal display screen, the control system 550 and the control button 560 can be a complete set of control devices, the measuring roller 520 is connected with the display screen 540 circuit, and the display screen 540 can show that it is retracted The numerical value of the length of the cable; the control device 550 and the control button 560 are connected with the power device 300 through a circuit, considering that when the staff operates the device at a position close to the device to retract and release the line or when the remote control 340 is not convenient to use, The power device 300 can be controlled through the control button 560 and the control device 550 , so as to change the working state of the winding reel 100 .

In this article, each preferred solution only focuses on the difference from other solutions. As long as there is no conflict, each preferred solution can be combined arbitrarily, and the embodiments formed after the combination are also within the scope of this specification. For brevity, the embodiment formed by the combination will not be separately described herein.

The above descriptions are only specific embodiments of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The foregoing is only a specific embodiment of the present invention. It should be pointed out that for those of ordinary skill in the art, some improvements and modifications can also be made without departing from the principle of the present invention. It should be regarded as the protection scope of the present invention.

Claims (6)

1. A cable winder, comprising a winding reel (100), the winding reel (100) is used for winding cables; it is characterized in that the cable winder also includes a base (200), a power device ( 300) and transmission (400); where: The winding reel (100) is rotatably mounted on the base (200); the power device (300) and the transmission device (400) are both mounted on the base (200); The power device (300) cooperates with the transmission device (400) to drive the winding reel (100) to retract the cable; The power device (300) includes a first power submodule, and the first power submodule includes a mount (310), a motor (320), a control device (330) and an operation remote controller (340); wherein: The mounting base (310) is mounted on the base (200); the motor (320) is mounted on the mounting base (310), and the drive shaft of the motor (320) is fixedly connected with first drive gear; The operation remote control (340) can control the motor (320) through the control device (330), so as to control the winding reel (100) to retract and release the cable; The power device (300) also includes a second power submodule, and the second power submodule includes a manual drive device (350) and a rocker arm (360); wherein: The manual driving device (350) is installed on the mounting base (310); the manual driving device (350) has a second driving gear; The rocker arm (360) cooperates with the manual driving device (350) to drive the winding reel (100) to retract the cable; Both the first drive gear and the second drive gear can be in transmission cooperation with the transmission device (400); The transmission device (400) includes a driven gear (410), a swing arm (420), a conversion gear (430) and a shift lever (440), wherein: The driven gear (410) is connected to the winding reel (100); both ends of the swing arm (420) are respectively hinged to the driven gear (410) and the conversion gear (430); The conversion gear (430) meshes with the driven gear (410), and the conversion gear (430) can mesh with the first driving gear or the second driving gear; The bottom end of the gear operating rod (440) is hinged to the mounting base (310), the top end of the gear operating rod (440) is a gear operating end, and the gear operating rod (440) has a self- a slideway whose bottom end extends toward said top end; The axle of the conversion gear (430) can be slidably matched with the slideway to drive the conversion gear (430) to switch between the first working state, the second working state and the third working state; wherein: In the first working state, the conversion gear (430) meshes with the first driving gear for transmission; In the second working state, the conversion gear (430) is engaged with the second driving gear for transmission; In the third working state, the conversion gear (430) is disengaged from both the first driving gear and the second driving gear; The cable winder also includes a measuring device (500), the measuring device (500) is used to measure the length of the retracted cable; the measuring device (500) includes a mounting frame (510) and a measuring Roller (520); wherein: The bottom end of the installation frame (510) is fixed on the base (200), and the top end is set above the winding reel (100); the measuring roller (520) rolls with the retracted cable fit. 2. The cable winder according to claim 1, characterized in that, the winding reel (100) comprises a winding column (110), a baffle (120) and a rotating shaft (130), wherein: Both ends of the winding post (110) are fixedly connected with the baffle (120), and the three form a space for holding wires; The rotating shaft (130) is fixed concentrically with the winding post (110), and the rotating shaft (130) passes through the baffle (120); the rotating shaft (130) is connected to the base ( 200) forming a rotary pair that rotates around the axis of the rotary shaft (130). 3. The cable winder according to claim 2, characterized in that, the baffle (120) protrudes from the winding post (110) and is provided with a fixing hole (121). 4. The cable winder according to claim 1, characterized in that, the base (200) comprises two tripods (210), and the two ends of the winding disc (100) are respectively connected to the two The top of the tripod (210) is hinged. 5. The cable winder according to claim 4, characterized in that, the base (200) further comprises rollers (220), and the rollers (220) are installed at the bottom of the tripod (210) . 6. The cable winder according to claim 1, characterized in that, the measuring device (500) further comprises a pressing wheel (530), a display screen (540), a control system (550) and a control button (560 ),in: The pressing wheel (530) is fixed above the measuring roller (520), and the pressing wheel (530) is used to compress the cable; The display screen (540) is installed on the installation frame (510) to display the value of the retracted cable length; Both the control system (550) and the control button (560) are connected to the power device (300); The control button (560) and the control system (550) can control the power device (300), so as to control the winding reel (100) to retract and retract the cable.

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