Cable end packaging device and application method thereof

Abstract

The invention provides a cable end packaging device and a using method thereof, and relates to the technical field of cable end packaging. The cable end packaging device comprises an expansion mechanism and a pushing mechanism, the expansion mechanism comprises a supporting rod group, the supporting rod group comprises a plurality of supporting rods, the supporting rods are of cantilever structures, the peripheries of the supporting rods are sleeved with the protection sleeve, and the inner side face of the protection sleeve faces outwards; the supporting rod group is driven by an expansion motor; the pushing mechanism comprises a floating arm, a push rod and an elastic element; the floating arm always abuts against the outer side of the supporting rod under the action of the elastic element; when the protective sleeve is installed, the floating arm pushes the edge of the protective sleeve, so that the protective sleeve turns over on the outer surface of the cable until the protective sleeve wraps the end of the cable. The floating arm is connected with a push rod which is driven by a telescopic motor. According to the cable end packaging device and the using method thereof, the problems that in the prior art, the packaging quality is difficult to guarantee and the packaging efficiency is low when a cable protection sleeve is manually sleeved are solved, and the cable end packaging device and the using method thereof have the advantages of being efficient, accurate and wide in applicability.

Description

Technical Field

[0001] The present invention relates to the technical field of cable end packaging, and in particular to a cable end packaging device and a use method thereof. Background Art

[0002] The cable will be cut during transportation and use, causing one end of the cable to be exposed. If it is not protected, it will rust and cause safety hazards during later operations. One way of protection is to use a cable protective cover to encapsulate the cable end. The cable protective cover is usually made of rubber and is elastic. One end is open and the other end is closed. When encapsulating the cable end, a cable protective cover is placed on the exposed end of the cable. The closed end completely covers the exposed part of the cable. The edge of the opening fits tightly with the outer skin of the cable. The protective cover can be put on the exposed cable end to isolate the cable end from air, water, etc., to achieve the effect of isolation protection.

[0003] Currently, workers are required to manually put cable protective covers on the exposed ends of cables. Manually putting on cable protective covers has the problems of difficult to ensure packaging quality and low packaging efficiency. Therefore, a tool for putting cable protective covers on cable ends is urgently needed to improve the above technical problems. Summary of the invention

[0004] In view of this, an object of the present invention is to provide a cable end packaging device and a method of using the same to improve the above-mentioned problem.

[0005] In the first aspect, an embodiment of the present invention provides a cable end packaging device for installing a protective cover on a cable end, comprising an expansion mechanism and a pushing mechanism; the expansion mechanism comprises a strut group, the strut group comprises a plurality of struts, all of the struts are cantilever structures, the protective cover is installed on the periphery of the plurality of struts and the inner side of the protective cover faces outward, the plurality of struts move away from each other to expand the strut group, and the strut group expands to a diameter larger than the cable end; the strut group is driven by an expansion motor; the pushing mechanism comprises a floating arm, a push rod and an elastic element; the floating arm is always in contact with the outer side of the strut under the action of the elastic element; in the initial state, the floating arm is in contact with the fixed end of the strut, and when the protective cover is installed, the floating arm pushes the edge of the protective cover to flip the protective cover on the outer surface of the cable until the protective cover wraps the cable end; the floating arm is connected to the push rod, and the push rod drives the floating arm to move under the drive of the telescopic motor.

[0006] Furthermore, the expansion mechanism also includes a strut group fixing plate, and a strut gear and a center gear are provided on one side of the strut group fixing plate. The strut is fixedly connected to the strut gear through an extension arm, and the strut gear is meshed and driven by the center gear; the center gear is driven by the expansion motor.

[0007] Furthermore, it also includes a cover plate, which is arranged side by side with the strut group fixing plate, and one side of the cover plate is arranged toward the central gear, and the floating arm and the cantilever end of the strut group extend out from the cover plate and are located at the other side of the cover plate; the cover plate is provided with a track groove and a through hole for the push rod to pass through, the strut group extends out from the track groove, the cover plate is located at the fixed end of the strut group, and when the strut group expands, the strut slides in the track groove.

[0008] Furthermore, the expansion mechanism also includes an expansion motor fixing plate, which is arranged side by side with the strut group fixing plate; the cover plate and the expansion motor fixing plate are respectively placed on both sides of the strut group fixing plate; the expansion motor fixing plate is provided with a driving gear and a driven gear that are meshed with each other, and the driving gear is arranged on the output shaft of the expansion motor; the center gear is fixedly connected to the driven gear.

[0009] Furthermore, the pushing mechanism also includes a push plate and a screw nut structure, and the push plate and the floating arm are located at both ends of the push rod; the screw nut structure drives the push plate to move forward and backward, and the forward and backward movement of the push plate drives the push rod to move forward and backward, and then drives the floating arm at the other end of the push rod to move forward and backward.

[0010] Furthermore, the screw nut structure includes a ball screw, a movable seat, and a light rod; the rotation of the ball screw drives the movable seat to move forward and backward along the light rod, and the light rod and the ball screw are arranged in parallel; the push plate is fixed on the movable seat, and the light rod passes through the push plate, and the push plate translates forward and backward along the light rod driven by the movable seat, thereby driving the push rod and the floating arm to translate forward and backward; the ball screw is driven by a telescopic motor.

[0011] Furthermore, the telescopic motor is located on the telescopic motor fixing plate, the output shaft of the telescopic motor is arranged parallel to the ball screw, and the telescopic motor and the ball screw are connected through a belt transmission structure; the belt transmission structure includes a driving pulley and a driven pulley, the driving pulley and the driven pulley are arranged side by side and connected through a belt, the output shaft of the telescopic motor is connected to the driving wheel, the telescopic motor drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the belt, and then the ball screw rotates.

[0012] Furthermore, the elastic element includes a push rod swing rod, a spring support and a spring, the push rod swing rod is connected to the push rod, the spring support is fixed on the push plate, and the spring is arranged between the spring support and the push rod swing rod.

[0013] Furthermore, the spring is a tension spring, and in its initial state the spring is not stretched or pre-stretched; as the strut expands, the floating arm swings outward and the spring stretches accordingly; when the strut expands to the maximum, the floating arm swings to the maximum angle and the spring stretches to the longest; after the strut group contracts again, the spring in the stretched state contracts, and the floating arm at the front end of the push rod presses against the outside of the strut under the drive of the spring contraction force.

[0014] In a second aspect, an embodiment of the invention provides a method for using a cable end packaging device, using the cable end packaging device, the method comprising:

[0015] S1: Initial state, the support rod group is in the retracted position, the protective cover is put on the support rod group, the inner bottom surface of the protective cover faces outward, and the floating arm is retracted; the expansion range of the support rod group is determined according to the diameter of the cable to which the protective cover needs to be installed;

[0016] S2: Start the expansion motor and rotate it forward. The expansion motor drives the support rod group to expand to a diameter slightly larger than the width of the cable end;

[0017] S3: Push the protective cover to the front end of the cable; start the telescopic motor to rotate forward, the telescopic motor drives the floating arm to extend, the floating arm is driven forward by the push rod, and at the same time, the cable is extended into the space surrounded by the support rod group, and the moving direction of the cable is opposite to the moving direction of the push rod; the floating arm pushes the protective cover onto the cable, and as the floating arm moves forward, the protective cover flips along the outer surface of the cable until the protective cover completely covers the exposed end of the cable;

[0018] S4: Drive the telescopic motor to reverse and retract the floating arm to the cover plate; drive the expansion motor to reverse and shrink the strut group to the minimum diameter.

[0019] The embodiment of the present invention brings the following beneficial effects: the cable end packaging device uses a physical method to cover the exposed end of the cable with a protective cover, firstly covers and expands the protective cover in the opposite direction through an expansion mechanism, and then sets the expanded support rod group carrying the protective cover on the end of the cable. Then, the floating arm of the pushing mechanism is pushed to make the protective cover flip on the outer surface of the cable, so as to complete the packaging of cables of different specifications. Both the expansion mechanism and the pushing mechanism are driven by motors, which are efficient and accurate.

[0020] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention are realized and obtained by the structures particularly pointed out in the description, claims and drawings.

[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 A three-dimensional diagram of a cable terminal packaging device provided by an embodiment of the present invention;

[0024] Figure 2 for Figure 1 Schematic diagram of cover parts;

[0025] Figure 3 for Figure 1 Schematic diagram of the internal structure with the cover and shell removed;

[0026] Figure 4 for Figure 3 the executive part of the expansion agency;

[0027] Figure 5 for Figure 3 Structural diagram of the expansion mechanism;

[0028] Figure 6 for Figure 3 Schematic diagram of the structure of the propulsion mechanism;

[0029] Figure 7 for Figure 6 Schematic diagram of the structure of the middle push plate and the elastic element;

[0030] Figure 8 The figure is a schematic diagram of the usage of the cable end packaging device.

[0031] Shell 10; cover plate 11; track groove 111; through hole 112; hand-held handle and auxiliary handle 12; support rod group 20; support rod 21; support rod group fixing plate 22; support rod gear 23; center gear 24; extension arm 25; expansion motor 26; expansion motor fixing plate 27; driving gear 28; driven gear 29; floating arm 31; push rod 32; elastic element 33; push rod rocker 331; spring support 332; spring 333; telescopic motor 34; push plate 35; ball screw 36, moving seat 37, light rod 38, telescopic motor fixing plate 39; driving pulley 40; driven pulley 41; belt 42; protective cover 50. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0033] like Figure 1-Figure 7As shown, this embodiment provides a cable end packaging device, which is used to cover the cable end with a cable protective cover (hereinafter referred to as the protective cover), and the cable end packaging device includes an expansion mechanism and a pushing mechanism, the expansion mechanism is used to fix and open the protective cover, and the pushing mechanism is used to push the protective cover to the end of the cable. The cable end packaging device includes a housing 10 and a cover plate 11, and the cover plate covers the open end of the housing.

[0034] The expansion mechanism includes a support rod group 20, and the support rod group 20 includes a plurality of support rods 21. The support rods 21 are all cantilever structures, and the support rod group 20 extends from the cover plate 11. Figure 2 As shown, the floating arm 31 and the cantilever end of the strut group 20 extend from the cover plate 11. The cover plate has a track groove 111 and a through hole 112 for the push rod 32 to pass through. The strut group 20 extends from the track groove. The cover plate 11 is located at the fixed end of the strut group 20. When the strut group expands, the strut 21 slides in the track groove 111. The protective cover is sleeved on the periphery of the plurality of struts and the inner side of the protective cover faces outward. The plurality of struts move away from each other to expand the strut group. The strut group expands to a diameter larger than the cable end. The protective cover expands with the struts to a diameter larger than the cable end. The driving method of the strut group will be described in detail below.

[0035] The inner side of the protective cover is placed outside the plurality of struts, and the strut group 20 is expanded to a diameter larger than the cable end. The strut group or the cable is moved so that the cable end is located in the inner area of ​​the strut group, and the inner side of the protective cover faces the cable end. Then the protective cover is pushed onto the cable end by the pushing mechanism. Figure 1-Figure 7 The pushing mechanism includes a floating arm 31, a push rod 32 and an elastic element 33. The floating arm 31 is always in contact with the outer side of the support rod under the action of the elastic element 33. In the initial state, the floating arm 31 is in contact with the fixed end of the support rod 21. When the protective cover is installed, the floating arm 31 pushes the edge of the protective cover to make the protective cover flip over the outer surface of the cable until the protective cover wraps the cable end. The floating arm 31 is connected to the push rod 32, and the push rod drives the floating arm 31 to move under the drive of the telescopic motor 34.

[0036] The cable end encapsulation device of this embodiment uses a physical method to cover the exposed end of the cable with a protective cover. The protective cover is first reversely covered and expanded by an expansion mechanism, and the expanded support rod group carrying the protective cover is placed on the end of the cable. Then the floating arm of the pushing mechanism is pushed to make the protective cover flip on the outer surface of the cable to complete the encapsulation of cables of different specifications. The expansion mechanism and the pushing mechanism are both driven by motors, which are efficient and accurate.

[0037] like Figure 1 The driving and transmission parts of the cable end packaging device are placed in the housing, and a hand-held handle and an auxiliary handle 12 are provided on the housing 10, so that a single person can operate it by hand. The housing has a power socket or a battery, and the cable end packaging device is powered by a battery, and the battery can be a solid-state battery.

[0038] like Figure 4 The expansion mechanism also includes a strut group fixing plate 22, and a strut gear 23 and a center gear 24 are provided on one side of the strut group fixing plate 22. The strut is fixedly connected to the strut gear 23 through an extension arm 25, and the strut gear 23 is meshed and driven by the center gear 24; the center gear 24 is driven by the expansion motor 26.

[0039] like Figure 1 and Figure 3 , remove the shell and the cover plate, the cover plate 11 and the strut group fixing plate 22 are arranged side by side, one side of the cover plate 11 is arranged toward the central gear 24, the floating arm 31 and the cantilever end of the strut group 20 extend from the cover plate, and are located at the other side of the cover plate 11; there are track grooves and through holes for the push rod to pass through on the cover plate, the strut group extends from the track groove, the cover plate is located at the fixed end of the strut group, and when the strut group expands, the strut slides in the track groove.

[0040] like Figure 3-Figure 5 The driving mode of the strut group of the expansion mechanism is as follows: a strut gear 23 and a central gear 24 are provided on one side of the strut group fixing plate 22, the strut is fixedly connected to the strut gear through an extension arm, the strut gear is meshed and driven by the central gear; the central gear is driven by the expansion motor. The expansion mechanism also includes an expansion motor fixing plate 27, which is arranged side by side with the strut group fixing plate 22; the cover plate 11 and the expansion motor fixing plate 27 are respectively placed on both sides of the strut group fixing plate 22; the expansion motor fixing plate 27 is provided with a driving gear 28 and a driven gear 29 that are meshed and driven with each other, and the driving gear 28 is arranged on the output shaft of the expansion motor 26; the central gear 24 is fixedly connected with the driven gear 29.

[0041] like Figure 6-Figure 7 The pushing mechanism includes a floating arm 31, a push rod 32 and an elastic element 33; the floating arm 31 is always in contact with the outer side of the support rod under the action of the elastic element 33. It also includes a push plate 35 and a screw nut structure. The push plate 35 and the floating arm 31 are located at both ends of the push rod 32. The elastic element 33 is as shown in FIG. Figure 7 As shown, the elastic element 33 is arranged on the push plate 35, and is located on the back of the push plate. The elastic element 33 includes a push rod swing rod 331, a spring support 332 and a spring 333. The push rod swing rod 331 is connected to the push rod 32, the spring support 332 is fixed on the push plate 35, and the two ends of the spring 333 are connected between the spring support 332 and the push rod swing rod 331. The spring is a tension spring, and the spring is not stretched or pre-stretched in the initial state. As the support rod 21 expands, the floating arm 31 swings outward relative to the support rod group fixed plate 22, and the spring 333 is stretched accordingly. When the support rod expands to the maximum, the floating arm 31 swings to the maximum angle, and the spring is stretched to the longest. After the support rod group contracts again, the spring in the stretched state at the rear end of the push rod contracts, and the floating arm at the front end of the push rod is driven by the contraction force of the tension spring to press against the outside of the support rod.

[0042] like Figure 6-Figure 7 , the push plate 35 is driven by the screw nut structure. The screw nut structure drives the push plate to move forward and backward, and the forward and backward movement of the push plate 35 drives the push rod 32 to move forward and backward, thereby driving the floating arm 31 at the other end of the push rod to move forward and backward. The screw nut structure includes a ball screw 36, a moving seat 37, and a light rod 38; the ball screw 36 rotates to drive the moving seat to move forward and backward along the light rod, and the light rod 38 and the ball screw 36 are arranged in parallel; the push plate 35 is fixed on the moving seat 37, and the light rod 37 passes through the push plate 35. The push plate 35 moves forward and backward along the light rod 38 driven by the moving seat 37, thereby driving the push rod 32 and the floating arm 31 to move forward and backward; the ball screw 36 is driven by a telescopic motor 34. The telescopic motor 34 is located on the telescopic motor fixing plate 39, and the output shaft of the telescopic motor 34 is arranged in parallel with the ball screw 36, and the telescopic motor 34 is connected to the ball screw 36 through a belt transmission structure; the belt transmission structure includes a driving pulley 40 and a driven pulley 41, and the driving pulley 40 and the driven pulley 41 are arranged side by side and connected by a belt 42. The output shaft of the telescopic motor 34 is connected to the driving pulley, and the telescopic motor drives the driving pulley to rotate, and the driving pulley 40 drives the driven pulley 41 to rotate through the belt 42, and then the ball screw 36 rotates.

[0043] The method of using the cable end encapsulation device is as follows:

[0044] S1: Figure 8 In the initial state, the support rod group 20 is in a retracted position, the protective cover 50 is put on the support rod group 20, the inner bottom surface of the protective cover faces outward, and the floating arm 31 is retracted at the cover plate; the expansion range of the support rod group 20 is determined according to the diameter of the cable to which the protective cover needs to be installed;

[0045] S2: Figure 1 , start the expansion motor and make it rotate forward, and the expansion motor drives the support rod group to expand to a diameter slightly larger than the width of the cable end; Figure 1 The protective cover 50 is not shown, and the protective cover is expanded and reversely sleeved on the support rod group 20;

[0046] S3: Push the protective cover to the front end of the cable; Figure 1 , the telescopic motor is started to rotate forward, and the telescopic motor drives the floating arm to extend. The floating arm 31 is driven forward by the push rod, and at the same time, the cable is extended into the space surrounded by the support rod group. The moving direction of the cable is opposite to the moving direction of the push rod. The floating arm 31 pushes the protective cover 50 onto the cable. As the floating arm 31 moves forward, the protective cover flips along the outer surface of the cable until the protective cover completely covers the exposed end of the cable.

[0047] S4: Drive the telescopic motor to reverse and retract the floating arm to the cover plate. Drive the expansion motor to reverse and shrink the strut group to the minimum diameter.

[0048] The cable end encapsulation device of this embodiment and its use method, the cable end encapsulation device of this embodiment uses a physical method to cover the exposed end of the cable with a protective cover, which is efficient and accurate. The cable end encapsulation device can adjust the width of the support rod group according to the cable diameter, and adopts an electric control method, which has semi-automatic properties, is easy to operate and efficient. It has a simple appearance, small size, light weight, and is easy to use and operate. It has a wide applicability and can be applied to a variety of scenarios and cables of various specifications.

[0049] In addition, in the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0050] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0051] Finally, it should be noted that the above embodiments are only specific implementations of the present invention, which are used to illustrate the technical solutions of the present invention, rather than to limit them. The protection scope of the present invention is not limited thereto. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art should understand that any person skilled in the art can still modify the technical solutions recorded in the above embodiments within the technical scope disclosed by the present invention, or can easily think of changes, or make equivalent replacements for some of the technical features therein; and these modifications, changes or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, and should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A cable end packaging device, characterized in that: Used to put a protective cover on the cable end, including an expansion mechanism and a pushing mechanism; The expansion mechanism comprises a support rod group, the support rod group comprises a plurality of support rods, the support rods are all cantilever structures, the protective cover is sleeved on the periphery of the plurality of support rods and the inner side of the protective cover faces outward, the plurality of support rods are moved away from each other to expand the support rod group, and the support rod group expands to a diameter larger than the cable end; the support rod group is driven by an expansion motor; The pushing mechanism includes a floating arm, a push rod and an elastic element; the floating arm is always in contact with the outer side of the support rod under the action of the elastic element; in the initial state, the floating arm is in contact with the fixed end of the support rod, and when the protective cover is installed, the floating arm pushes the edge of the protective cover to make the protective cover flip over on the outer surface of the cable until the protective cover wraps the cable end; the floating arm is connected to the push rod, and the push rod drives the floating arm to move under the drive of the telescopic motor.

2. The cable end sealing device according to claim 1, characterized in that: The expansion mechanism also includes a strut group fixing plate, a strut gear and a center gear are provided on one side of the strut group fixing plate, the strut is fixedly connected to the strut gear through an extension arm, the strut gear is meshed and driven by the center gear; the center gear is driven by the expansion motor.

3. The cable end sealing device according to claim 2, characterized in that: It also includes a cover plate, the cover plate is arranged side by side with the strut group fixing plate, one side of the cover plate is arranged toward the central gear, the floating arm and the cantilever end of the strut group extend from the cover plate and are located at the other side of the cover plate; The cover plate is provided with a track groove and a through hole for the push rod to pass through, the support rod group extends out from the track groove, the cover plate is located at the fixed end of the support rod group, and when the support rod group expands, the support rod slides in the track groove.

4. The cable end sealing device according to claim 3, characterized in that: The expansion mechanism further includes an expansion motor fixing plate, which is arranged side by side with the strut group fixing plate; the cover plate and the expansion motor fixing plate are respectively placed on both sides of the strut group fixing plate; The expansion motor fixing plate is provided with a driving gear and a driven gear which are meshed with each other for transmission, and the driving gear is arranged on the output shaft of the expansion motor; the central gear is fixedly connected with the driven gear.

5. The cable end sealing device according to claim 1, characterized in that: The pushing mechanism also includes a push plate and a screw nut structure, wherein the push plate and the floating arm are located at both ends of the push rod; the screw nut structure drives the push plate to move forward and backward, and the forward and backward movement of the push plate drives the push rod to move forward and backward, thereby driving the floating arm at the other end of the push rod to move forward and backward.

6. The cable end sealing device according to claim 5, characterized in that: The screw nut structure includes a ball screw, a moving seat, and a light rod; the rotation of the ball screw drives the moving seat to move forward and backward along the light rod, and the light rod and the ball screw are arranged in parallel; the push plate is fixed on the moving seat, and the light rod passes through the push plate. The push plate moves forward and backward along the light rod driven by the moving seat, thereby driving the push rod and the floating arm to move forward and backward; the ball screw is driven by a telescopic motor.

7. The cable end sealing device according to claim 6, characterized in that: The telescopic motor is located on the telescopic motor fixing plate, the output shaft of the telescopic motor is arranged in parallel with the ball screw, and the telescopic motor is connected to the ball screw through a belt transmission structure; the belt transmission structure includes a driving pulley and a driven pulley, the driving pulley and the driven pulley are arranged side by side and connected by a belt, the output shaft of the telescopic motor is connected to the driving pulley, the telescopic motor drives the driving pulley to rotate, and the driving pulley drives the driven pulley to rotate through the belt, thereby driving the ball screw to rotate.

8. The cable end sealing device according to claim 1, characterized in that: The elastic element comprises a push rod swing rod, a spring support and a spring, the push rod swing rod is connected to the push rod, the spring support is fixed on the push plate, and the spring is connected between the spring support and the push rod swing rod.

9. The cable end sealing device according to claim 8, characterized in that: The spring is a tension spring, and in its initial state, the spring is not stretched or pre-stretched; as the strut expands, the floating arm swings outward, and the spring is stretched accordingly; when the strut expands to the maximum, the floating arm swings to the maximum angle, and the spring is stretched to the longest; after the strut group contracts again, the spring in the stretched state contracts, and the floating arm at the front end of the push rod presses against the outside of the strut under the drive of the spring contraction force.

10. A method for using a cable end packaging device, characterized in that: Using the cable end encapsulation device according to any one of claims 1 to 9, the method of using includes: S1: Initial state, the support rod group is in the retracted position, the protective cover is put on the support rod group, the inner bottom surface of the protective cover faces outward, and the floating arm is retracted; the expansion range of the support rod group is determined according to the diameter of the cable to which the protective cover needs to be installed; S2: Start the expansion motor and rotate it forward. The expansion motor drives the support rod group to expand to a diameter slightly larger than the width of the cable end; S3: Push the protective cover to the front end of the cable; start the telescopic motor to rotate forward, the telescopic motor drives the floating arm to extend, the floating arm is driven forward by the push rod, and at the same time, the cable is extended into the space surrounded by the support rod group, and the moving direction of the cable is opposite to the moving direction of the push rod; the floating arm pushes the protective cover onto the cable, and as the floating arm moves forward, the protective cover flips along the outer surface of the cable until the protective cover completely covers the exposed end of the cable; S4: Drive the telescopic motor to reverse and retract the floating arm to the cover plate; drive the expansion motor to reverse and shrink the strut group to the minimum diameter.

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