Semi-automatic cable pay-off device

Abstract

The utility model relates to a semi-automatic cable pay-off device, and belongs to the technical field of cable body processing equipment. The utility model provides a semi-automatic cable pay-off device. The semi-automatic cable pay-off device comprises a fixing mechanism and a rotating mechanism. The fixing mechanism is used for being clamped on a wire coil wound with a wire body. The rotating mechanism is rotationally connected with the fixing mechanism, and a limiting piece for inserting the wire body is arranged on the rotating mechanism. And the rotating mechanism is configured to rotate around the axis of the wire coil when the wire body inserted in the limiting piece is pulled to be separated from the wire coil so as to rotate along with the wire body winding disc, so that the wire body separated from the wire coil is guided. The rotating mechanism is fixed to the wire coil through the fixing mechanism, and the limiting piece is pulled to drive the rotating mechanism to rotate around the axis of the wire coil, so that guiding is provided for separation of the wire body, and the wire body can be separated from the wire coil more quickly. Therefore, the pay-off device does not need a base bearing and driving the wire coil to rotate, and the weight of the pay-off device is reduced.

Description

Technical Field

[0001] The present application belongs to the technical field of wire processing equipment, and in particular relates to a semi-automatic cable pay-off device. Background Art

[0002] Cables are typically made up of several or several groups of conductors (at least two in each group) twisted together into a rope-like structure. Each group of conductors is insulated from each other and covered with an insulating layer. During power construction, cables need to be installed frequently, so they are wound onto reels for easy transfer.

[0003] In the prior art, a cable wound on a reel is unwound by a pay-out device, which includes a base and a turntable rotatably mounted on the base, and a cable reel mounted on the turntable. The cable is pulled out of the reel by rotating the reel and the turntable.

[0004] Since the cable drum is heavy, the base and turntable that support its rotation need to have sufficient support strength, resulting in the entire pay-off device being heavy and not conducive to movement. Utility Model Content

[0005] The present application provides a semi-automatic cable pay-off device, which is used to solve the problem in the prior art that the pay-off device has a large overall weight and is not conducive to movement.

[0006] In response to the above problems, the present application provides a semi-automatic cable pay-off device, which includes a fixing mechanism and a rotating mechanism.

[0007] The fixing mechanism is used for clamping on the wire drum on which the wire body is wound.

[0008] The rotating mechanism is rotatably connected to the fixing mechanism, and a limiting piece for inserting the wire body is provided on the rotating mechanism.

[0009] The rotating mechanism is configured to rotate around the axis of the wire drum when the wire body inserted on the limiting member is pulled to be separated from the wire drum, so as to follow the wire body and rotate around the wire drum to provide guidance for the wire body separated from the wire drum.

[0010] In the embodiment provided in the present application, the fixing mechanism includes a supporting component, a locking component and at least two fixing components.

[0011] The locking assembly is connected to the supporting assembly, the fixing assembly is connected to the supporting assembly, the fixing assembly moves relative to the supporting assembly to be jointly clamped on the outside of the wire reel, and the locking assembly is used to lock the current position of the fixing assembly.

[0012] In the embodiment provided in the present application, the fixing assembly includes a fixing rod, a fixing claw and a limiting bolt.

[0013] A limiting groove is provided on the fixing rod, and the fixing claw is slidably provided in the limiting groove. A threaded hole is provided on the fixing rod, and the limiting bolt abuts against the fixing claw through the threaded hole. The clamping radius can be adjusted by adjusting the position of the fixing claw.

[0014] In the embodiment provided in the present application, the support assembly includes a support rod and a connecting seat arranged on the support rod, and the locking assembly includes a locking block, a slider and at least two connecting rods, and the connecting rods correspond one-to-one to the fixed rod.

[0015] The locking block and the sliding block are both arranged on the supporting rod. The locking block is threadedly connected to the supporting rod, and the sliding block is slidably connected to the supporting rod.

[0016] The fixing rod is hinged to the connecting seat in sequence with the connecting seat as the axis, and the two ends of the connecting rod are hinged to the sliding block and the fixing rod respectively.

[0017] The slider slides along the support rod to drive the connecting rod to rotate. The rotation of the connecting rod drives the fixing rod to rotate so that the fixing claw clamps the wire drum. The locking block is used to lock the position of the slider.

[0018] In the embodiment provided in the present application, the rotating mechanism includes a rotating assembly, an extension rod and a support arm.

[0019] The rotating assembly is rotatably arranged on the fixing mechanism, one end of the support arm is connected to the rotating assembly through the extension rod, and the other end of the support arm is connected to the limiting member.

[0020] In the embodiment provided in the present application, the rotating mechanism further includes a support arm universal joint, and the support arm is connected to the extension rod via the support arm universal joint.

[0021] In the embodiment provided in the present application, the limiting member is a limiting ring.

[0022] In the embodiment provided in the present application, a counting mechanism is also included, and the counting mechanism includes a universal bracket assembly and a counter.

[0023] The universal bracket assembly is arranged on the fixing mechanism and can be rotated in any direction. The counter is arranged on the universal bracket assembly. The universal bracket assembly is inserted into the wire body connection on the limit member. The counter is used to measure the length of the wire body that is separated from the wire reel.

[0024] In the embodiment provided in the present application, the universal bracket assembly includes a bracket universal joint, a bracket and two rollers.

[0025] The bracket is connected to the fixing mechanism through the bracket universal joint, the two rollers are both arranged on the bracket, and the line body is located between the two rollers.

[0026] In the embodiment provided in the present application, the counter is connected to the rotating shaft of at least one of the rollers. When the wire body is detached from the wire drum, the wire body drives the two rollers to rotate, so that the counter calculates the length of the wire body removed.

[0027] The present application provides a semi-automatic cable unwinding device, comprising a fixing mechanism and a rotating mechanism. The fixing mechanism is used to clamp on a reel around which a wire body is wound. The rotating mechanism is rotatably connected to the fixing mechanism, and a limiting member for inserting the wire body is provided on the rotating mechanism. The rotating mechanism is configured to rotate around the axis of the reel when the wire body inserted on the limiting member is pulled to detach from the reel, so as to follow the wire body rotating around the reel, thereby providing guidance for the wire body detached from the reel. The present application fixes the rotating mechanism on the reel through a fixing mechanism, and drives the rotating mechanism to rotate around the axis of the reel by pulling the limiting member, thereby providing guidance for the detachment of the wire body, so that the wire body can detach from the reel more quickly. Therefore, the unwinding device of the present application does not require a base that supports and drives the reel to rotate, thereby reducing the weight of the unwinding device. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0029] Figure 1 A schematic diagram of the structure of a semi-automatic cable pay-off device for clamping a cable reel provided in this application;

[0030] Figure 2 A schematic diagram of the overall structure of a semi-automatic cable pay-off device provided in this application;

[0031] Figure 3 for Figure 1 Schematic diagram of the structure of the fixing mechanism;

[0032] Figure 4 for Figure 3 Schematic diagram of the structure of the fixed component;

[0033] Figure 5 for Figure 1 Schematic diagram of the structure of the rotating mechanism;

[0034] Figure 6 for Figure 1 Schematic diagram of the counting mechanism.

[0035] Reference numerals:

[0036] 10-wire reel;

[0037] 20-line body;

[0038] 100-Fixing mechanism; 110-Support assembly; 111-Support rod; 112-Connecting seat; 120-Locking assembly; 121-Locking block; 122-Slider; 123-Connecting rod; 130-Fixing assembly; 131-Fixing rod; 132-Fixing claw; 133-Limiting bolt; 134-Limiting slot; 135-Threaded hole;

[0039] 200-rotating mechanism; 210-limiting member; 220-rotating assembly; 230-extension rod; 240-support arm; 250-support arm universal joint;

[0040] 300-Counting mechanism; 310-Universal bracket assembly; 311-Bracket universal joint; 312-Bracket; 313-Roller; 320-Counter.

[0041] The above drawings illustrate specific embodiments of the present application, which will be described in more detail below. These drawings and the textual description are not intended to limit the scope of the present application in any way, but rather to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments. DETAILED DESCRIPTION

[0042] To make the objectives, technical solutions, and advantages of this application more clear, the technical solutions in this application will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0043] The terms "first," "second," "third," "fourth," and so on (if any) in the specification and claims of this application and the accompanying drawings are used to distinguish similar objects and are not necessarily used to describe a particular order or sequential sequence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of the application described herein, for example, can be implemented in an order other than those illustrated or described herein.

[0044] In the embodiments of this application, words such as "exemplary" or "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described in this application as "exemplary" or "for example" should not be construed as being preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "for example" is intended to present the relevant concepts in a concrete manner.

[0045] In the description of the embodiments of the present application, it should be understood that the terms "inside", "outside", "top", "bottom", "front", "back", etc., indicating the orientation or position relationship (if any), are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0046] In the prior art, a cable wound on a reel is unwound by a pay-out device, which includes a base and a turntable rotatably mounted on the base, and a cable reel mounted on the turntable. The cable is pulled out of the reel by rotating the reel and the turntable.

[0047] In the above technical solution, since the cable drum is heavy, the support strength of the base and turntable that support its rotation needs to be large enough, resulting in a heavy overall weight of the pay-off device, which is not conducive to movement.

[0048] This application provides a semi-automatic cable payout device that can be directly mounted on a cable drum. The payout device's own rotation provides guidance for the detached cable. Because it eliminates the need for a chassis to support the cable drum, it solves the problem of existing payout devices being heavy and difficult to move. The present invention is described in detail below with reference to the accompanying drawings.

[0049] in, Figure 1 This is a schematic structural diagram of a semi-automatic cable pay-off device for clamping a cable reel provided in this application. Figure 2 This is a schematic diagram of the overall structure of a semi-automatic cable pay-off device provided in this application.

[0050] Figure 3 for Figure 1 Schematic diagram of the structure of the fixing mechanism. Figure 4 for Figure 3 Schematic diagram of the structure of the fixed components.

[0051] Figure 5 for Figure 1 Schematic diagram of the structure of the rotating mechanism. Figure 6 for Figure 1 Schematic diagram of the counting mechanism.

[0052] like Figure 1 and Figure 2 As shown, the present application provides a semi-automatic cable pay-off device, comprising a fixing mechanism 100 and a rotating mechanism 200. The fixing mechanism 100 is used to clamp onto a cable drum 10 on which a cable body 20 is wound. The rotating mechanism 200 is rotatably connected to the fixing mechanism 100, and a limiting member 210 is provided on the rotating mechanism 200 for inserting the cable body 20;

[0053] The rotating mechanism 200 is configured to rotate around the axis of the wire drum 10 when the wire body 20 inserted on the limit member 210 is pulled to be separated from the wire drum 10, so as to follow the wire body 20 rotating around the wire drum 10 to provide guidance for the wire body 20 separated from the wire drum 10.

[0054] In the present application, the rotating mechanism 200 is fixed to the wire drum 10 by the fixing mechanism 100, and the rotating mechanism 200 is driven to rotate around the axis of the wire drum 10 by pulling the limit member 210, thereby providing a guide for the detachment of the wire body 20, so that the wire body 20 can be detached from the wire drum 10 more quickly. Therefore, the wire-releasing device of the present application does not need a base to support and drive the rotation of the wire drum 10, which reduces the weight of the wire-releasing device.

[0055] For example, the line 20 may be a cable, a rope, or the like.

[0056] like Figure 3 As shown, in the embodiment provided in this application, the fixing mechanism 100 includes a supporting assembly 110, a locking assembly 120 and at least two fixing assemblies 130;

[0057] The locking assembly 120 is connected to the supporting assembly 110 , and the fixing assembly 130 is connected to the supporting assembly 110 . The fixing assembly 130 moves relative to the supporting assembly 110 to jointly clamp the outside of the reel 10 . The locking assembly 120 is used to lock the current position of the fixing assembly 130 .

[0058] By adjusting the clamping radius of the fixing assembly 130 to clamp the wire reels 10 of different radii, the wire payout requirements of various wire reels 10 are met.

[0059] like Figure 4 As shown, in the embodiment provided in this application, the fixing assembly 130 includes a fixing rod 131, a fixing claw 132 and a limiting bolt 133;

[0060] A limiting groove 134 is provided on the fixing rod 131, and the fixing claw 132 is slidably set in the limiting groove 134. A threaded hole 135 is provided on the fixing rod 131, and the limiting bolt 133 abuts against the fixing claw 132 through the threaded hole 135. The clamping radius can be adjusted by adjusting the distance that the fixing claw 132 extends out of the limiting groove 134.

[0061] The fixed claw 132 moves toward the connecting seat to adjust the clamping radius of the fixed claw 132. The fixed claw 132 is L-shaped and includes a first fixing portion and a second fixing portion that are perpendicular to each other. The first fixing portion is slidably connected to the fixing rod 131, and the second fixing portion abuts the wire drum 10. The multiple fixed claws 132 jointly clamp the wire drum 10 to achieve the fixed position of the wire payout device.

[0062] The outer wall of the fixing rod 131 is horizontally provided with a limiting groove 134. The groove wall of the limiting groove 134 is provided with a threaded hole 135. The first fixing portion slides within the limiting groove 134. After the limiting bolt 133 is screwed into the threaded hole 135, the bottom of the limiting bolt 133 abuts the first fixing portion, thereby fixing the first fixing portion and the second fixing portion. By changing the distance that the first fixing portion extends out of the limiting groove 134, the position of the second limiting portion is changed, thereby achieving the purpose of clamping the wire reels 10 of different radii.

[0063] In the embodiment provided in the present application, the support assembly 110 includes a support rod 111 and a connecting seat 112 arranged on the support rod 111, and the locking assembly 120 includes a locking block 121, a slider 122 and at least two connecting rods 123, and the connecting rod 123 and the fixing rod 131 are connected one by one.

[0064] The locking block 121 and the sliding block 122 are both disposed on the support rod 111 . The locking block 121 is threadedly connected to the support rod 111 , and the sliding block 122 is slidably connected to the support rod 111 .

[0065] The fixing rod 131 is hinged to the connecting seat 112 in sequence with the connecting seat 112 as the axis, and both ends of the connecting rod 123 are hinged to the slider 122 and the fixing rod 131 respectively.

[0066] The slider 122 slides along the support rod 111 to drive the connecting rod 123 to rotate. The rotation of the connecting rod 123 drives the fixing rod 131 to rotate so that the fixing claw 132 clamps the wire drum 10. The locking block 121 is used to lock the position of the slider 122.

[0067] The length of the rod body can be designed according to actual conditions. The connecting seat 112 is a cylinder or a cuboid, and the connecting seat 112 is located at the bottom of the support rod 111 .

[0068] For example, there are three connecting rods 123 and three fixing rods 131. The locking assembly 120 includes a locking block 121, a slider 122, and three connecting rods 123. The three connecting rods 123 are evenly distributed around the support rod 111, and the angle between two adjacent connecting rods 123 is 120 degrees. The three fixing rods 131 corresponding to the connecting rods 123 are evenly distributed around the connecting base 112, and the angle between two adjacent fixing rods 131 is also 120 degrees.

[0069] One end of the connecting rod 123 is hinged to the side wall of the slider 122 , and the other end is hinged to the middle side wall of the fixing rod 131 . The slider 122 is sleeved on the middle of the support rod 111 .

[0070] An external thread is provided on the middle side wall of the support rod 111, and a through hole is provided on the locking block 121, in which an internal thread is provided. The locking block 121 and the support rod 111 are connected by the cooperation of the external thread and the internal thread. The locking block 121 can be moved along the external thread by manually rotating the locking block 121.

[0071] When the wire drum 10 needs to be clamped, the support rod 111 is placed on the side wall of the wire drum 10, and the position of the slider 122 is slid downward to drive the connecting rod 123 to push the fixed rod 131 to rotate. When the fixed rod 131 rotates to a preset angle, the slider 122 stops sliding. At this time, the rotating locking block 121 moves downward and abuts against the slider 122 to prevent the slider 122 from moving upward, which causes the angle of the fixed rod 131 to change.

[0072] Among them, the preset angle is the optimal angle when the pay-off device clamps the wire drum 10, and the preset position is the position when the fixing rod 131 is at the preset angle. The preset angle can be adjusted according to actual conditions.

[0073] In addition, the angle of the fixing rod 131 can also better adjust the contact angle between the fixing claw 132 and the wire drum 10, so that the fixing claw 132 is more firmly clamped on the wire drum 10, avoiding the wire-releasing device from falling off due to shaking during the wire-releasing process.

[0074] like Figure 5 As shown, in the embodiment provided in this application, the rotating mechanism 200 includes a rotating assembly 220 , an extension rod 230 and a support arm 240 .

[0075] The rotating assembly 220 is set on the fixing mechanism 100, and the support arm 240 is connected to the rotating assembly 220 through the extension rod 230, and rotates around the fixing mechanism 100 as the axis under the action of the rotating assembly 220. The wire body 20 is connected to the support arm 240, and the extension rod 230 is used to increase the rotation radius of the support arm 240.

[0076] The extension rod 230 is horizontally arranged. Extension rods 230 of different lengths can be used to accommodate cable drums 10 of different sizes.

[0077] By increasing the rotation radius of the support arm 240 by extending the rod 230 , interference with the fixing mechanism 100 can be avoided when the wire body 20 is removed from the wire drum 10 .

[0078] In the embodiment provided in the present application, the rotating mechanism 200 further includes a support arm universal joint 250 , and the support arm 240 is connected to the extension rod 230 via the support arm universal joint 250 .

[0079] The support arm universal joint 250 can provide the support arm 240 with a degree of freedom, so that the support arm 240 can rotate arbitrarily, which is convenient for laying out the cables.

[0080] In the embodiment provided in the present application, the limiting member 210 of the support arm 240 line body 20 is a limiting ring.

[0081] The limiting member 210 is used to be connected to the wire body 20 , so that when the wire body 20 is pulled, the wire body 20 drives the support arm 240 to rotate through the limiting member 210 .

[0082] Among them, the rotating assembly 220 includes a bearing and a bearing sleeve. The bearing is fixed on the support rod 111, and the bearing sleeve is arranged outside the bearing. The bearing sleeve is used to install and support the extension rod 230, and drive the support arm 240 to rotate through the extension rod 230.

[0083] like Figure 6 As shown, in the embodiment provided in the present application, a counting mechanism 300 is further included, and the counting mechanism 300 includes a universal bracket assembly 310 and a counter 320 .

[0084] The universal bracket assembly 310 is set on the fixing mechanism 100 and can be rotated in any direction. The counter 320 is set on the universal bracket assembly 310. The universal bracket assembly 310 is connected to the wire body 20 inserted on the limit member 210. The counter 320 is used to measure the length of the wire body 20 that is separated from the wire reel 10.

[0085] The universal bracket assembly 310 is installed on the top of the support rod 111 to ensure that the line body 20 is deployed without dead angles.

[0086] In the embodiment provided in this application, the universal bracket assembly 310 includes a bracket universal joint 311 , a bracket 312 and two rollers 313 .

[0087] The bracket 312 is connected to the fixing mechanism 100 via a bracket universal joint 311 . The two rollers 313 are both disposed on the bracket 312 , and the line body 20 is located between the two rollers 313 .

[0088] By pressing the wire body 20 with the two rollers 313 , the wire body 20 can be effectively confined between the two rollers 313 , making it easier to pull the wire body 20 .

[0089] In the embodiment provided in the present application, the counter 320 is connected to the rotating shaft of at least one roller 313. When the wire body 20 is removed from the wire drum 10, the wire body 20 drives the two rollers 313 to rotate, so that the counter 320 calculates the length of the wire body 20 removed.

[0090] The wire 20 drives the roller 313 to rotate, and the counter 320 counts the number of revolutions of the roller 313 to calculate the length of the wire 20 removed. In addition, by pressing the wire 20 with two rollers 313, the wire 20 can be effectively prevented from slipping and affecting the accuracy of the calculation.

[0091] The present application provides a cable laying device that is compact and simple in structure, safe and reliable, easy to install and disassemble, low-cost, and reusable. It also reduces labor costs, allows the cable to be laid out in any direction, and automatically calculates the length of the laid cable.

[0092] So far, the technical solution of the present application has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the scope of protection of the present application is obviously not limited to these specific embodiments. The above embodiments are only used to illustrate the technical solution of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some or all of the technical features therein. However, these modifications or replacements do not cause the essence of the corresponding technical solution to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A semi-automatic cable pay-off device, characterized in that: It comprises a fixing mechanism (100) and a rotating mechanism (200); The fixing mechanism (100) is used to clamp onto a wire drum (10) on which a wire body (20) is wound; The rotating mechanism (200) is rotatably connected to the fixing mechanism (100), and a limiting member (210) for inserting the wire body is provided on the rotating mechanism (200); The rotating mechanism (200) is configured to rotate around the axis of the wire drum (10) when the wire body (20) inserted on the limiting member (210) is pulled to be separated from the wire drum (10) so as to follow the wire body (20) rotating around the wire drum (10) to provide guidance for the wire body (20) separated from the wire drum (10).

2. The pay-off device according to claim 1, characterized in that: The fixing mechanism (100) comprises a supporting assembly (110), a locking assembly (120) and at least two fixing assemblies (130); The locking assembly (120) is connected to the supporting assembly (110), and the fixing assembly (130) is connected to the supporting assembly (110). The fixing assembly (130) moves relative to the supporting assembly (110) to be clamped together on the outside of the wire drum (10). The locking assembly (120) is used to lock the current position of the fixing assembly (130).

3. The pay-off device according to claim 2, characterized in that: The fixing assembly (130) includes a fixing rod (131), a fixing claw (132) and a limiting bolt (133); A limiting groove (134) is provided on the fixing rod (131), the fixing claw (132) is slidably provided in the limiting groove (134), a threaded hole (135) is provided on the fixing rod (131), the limiting bolt (133) abuts against the fixing claw (132) through the threaded hole (135), and the clamping radius is adjusted by adjusting the distance that the fixing claw (132) extends out of the limiting groove (134).

4. The pay-off device according to claim 3, characterized in that: The support assembly (110) includes a support rod (111) and a connecting seat (112) arranged on the support rod (111); the locking assembly (120) includes a locking block (121), a slider (122) and at least two connecting rods (123); the connecting rods correspond to the fixing rods (131) in a one-to-one manner; The locking block (121) and the sliding block (122) are both arranged on the support rod (111), the locking block (121) is threadedly connected to the support rod (111), and the sliding block (122) is slidably connected to the support rod (111); The fixing rod (131) is hinged to the connecting seat (112) in sequence with the connecting seat (112) as the axis, and the two ends of the connecting rod (123) are hinged to the slider (122) and the fixing rod (131) respectively; The slider (122) slides along the support rod (111) to drive the connecting rod (123) to rotate, and the rotation of the connecting rod (123) drives the fixing rod (131) to rotate, so that the fixing claw (132) clamps the wire drum (10), and the locking block (121) is used to lock the position of the slider (122).

5. The pay-off device according to any one of claims 1 to 4, characterized in that: The rotating mechanism (200) includes a rotating assembly (220), an extension rod (230) and a support arm (240); The rotating assembly (220) is rotatably arranged on the fixing mechanism (100); one end of the supporting arm (240) is connected to the rotating assembly (220) via the extension rod (230); and the other end of the supporting arm (240) is connected to the limiting member (210).

6. The pay-off device according to claim 5, characterized in that: The rotating mechanism (200) further comprises a support arm universal joint (250), and the support arm (240) is connected to the extension rod (230) via the support arm universal joint (250).

7. The pay-off device according to claim 6, characterized in that: The limiting member (210) is a limiting ring.

8. The pay-off device according to claim 1, characterized in that: Also included is a counting mechanism (300), wherein the counting mechanism (300) includes a universal bracket assembly (310) and a counter (320); The universal bracket assembly (310) is arranged on the fixing mechanism (100) and can rotate in any direction. The counter (320) is arranged on the universal bracket assembly (310). The universal bracket assembly (310) is connected to the wire body (20) inserted on the limiting member (210). The counter (320) is used to measure the length of the wire body (20) separated from the wire drum (10).

9. The pay-off device according to claim 8, characterized in that: The universal bracket assembly (310) includes a bracket universal joint (311), a bracket (312) and two rollers (313); The bracket (312) is connected to the fixing mechanism (100) via the bracket universal joint (311), the two rollers (313) are both arranged on the bracket (312), and the line body (20) is located between the two rollers (313).

10. The pay-off device according to claim 9, characterized in that: The counter (320) is connected to the rotating shaft of at least one of the rollers (313). When the wire body (20) is detached from the wire drum (10), the wire body (20) drives the two rollers (313) to rotate, so that the counter (320) calculates the length of the wire body (20) removed.

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