A protective device for cable winding for easy transport

By designing a protective device suitable for cable reels, and utilizing a combination of support frames, hook grooves, and spray components, the problem of cable reels being easily damaged and rolling during transportation was solved, achieving stable support and protection, and ensuring transportation safety.

CN117261736BActive Publication Date: 2026-06-26HUANENG YIMIN COAL POWER CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HUANENG YIMIN COAL POWER CO LTD
Filing Date
2023-08-31
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing methods of securing cable reels during transport are not easy to disassemble, which makes the cable reels susceptible to damage after they are removed from the transport vehicle, and rolling on the ground may cause accidents.

Method used

A protective device comprising a load-bearing component and a winding component was designed. Through the combination of a support frame, hook groove, adjustment component and spraying component, a stable support and protection for the cable reel is achieved. It can be adapted to cable reels of different sizes and can spray wetting agent to prevent cable damage in high temperature or low temperature environments.

Benefits of technology

It provides stable support for the cable reel during transportation, preventing damage to the cable reel end face and rolling accidents, thus ensuring transportation safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to cable equipment technical field, especially a kind of protection device for cable winding with convenient transportation, including, bearing assembly, including two support frames symmetrically arranged, the placing groove being opened in the end surface of support frame and the hook groove being opened in the other end surface of support frame;And, winding assembly, including shaft body, symmetrically arranged in the both ends of shaft body and can be detachably connected with the placing groove of the installation disc, the end surface of installation disc is also provided with the hook that can be matched with the hook groove;The present application can be easily adjusted to the distance of two groups of support frames, so that the protection device can be adapted to use with a variety of sizes of cable drum, ensure that the both ends of protection device are stably supported to the both ends of cable drum, and the both ends of cable drum are protected and supported by protection device, so that the surface of both ends of cable drum is damaged and the cable drum is rolled on the ground, to prevent accidents from happening.
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Description

Technical Field

[0001] This invention relates to the field of cable equipment technology, and in particular to a protective device for cable winding that facilitates transportation. Background Technology

[0002] When transporting cable reels, they need to be secured to prevent them from rolling inside the transport vehicle and causing accidents.

[0003] However, existing transport vehicles typically use steel wire ropes to bind and secure the cable reels inside, or use special mounting brackets. These methods prevent disassembly, causing the cable reel to be placed on the ground after being removed from the transport vehicle. This results in damage to both ends of the cable reel under the pressure of the cable. Furthermore, uneven ground can cause the cable reel to roll, potentially leading to accidents. Therefore, a protective device for cable winding that facilitates transportation is needed to address these problems. Summary of the Invention

[0004] In view of the problems existing in the prior art, the present invention is proposed.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a protective device for easy transportation of cable winding, comprising: a bearing assembly, including two symmetrically arranged support frames, a placement groove opened on one end face of the support frames, and a hook groove opened on the other end face of the support frames; and a winding assembly, including a shaft, a mounting plate symmetrically arranged at both ends of the shaft and detachably connected to the placement groove, and a hook that can cooperate with the hook groove on the end face of the mounting plate; wherein, a spray chamber is integrally injection molded in the shaft, and a spray channel that can communicate with the spray chamber is opened through the outer wall of the shaft; and an adjusting assembly, including a base plate, a fixing frame provided on the end face of the base plate, and a connecting member movably provided outside the base plate.

[0006] As a preferred embodiment of the protective device for easy transportation of cable winding according to the present invention, wherein: a first connecting groove is provided in the support frame, and a connecting slider is slidably provided on the inner wall of the first connecting groove.

[0007] As a preferred embodiment of the cable winding protective device for easy transportation described in this invention, the connecting member includes a first rotating rod and a second rotating rod, and the first rotating rod and the second rotating rod are cross-shaped, with the two ends of the first rotating rod and the second rotating rod respectively hinged to a connecting slider.

[0008] As a preferred embodiment of the protective device for easy transportation of cable winding according to the present invention, wherein: the outer walls of the first rotating rod and the second rotating rod are both provided with connecting through holes, and a connecting channel is formed between the two connecting through holes.

[0009] As a preferred embodiment of the cable winding protective device for easy transportation described in this invention, the connecting channel is provided with a positioning block, the fixing frame is integrally injection molded with a second connecting groove, and the inner wall of the second connecting groove can slide with the positioning block, and a first elastic element is provided between the inner wall of the fixing frame and the positioning block.

[0010] As a preferred embodiment of the cable winding protective device for easy transportation described in this invention, a transmission nut is embedded in the outer wall of the fixed frame, and a transmission screw that can be threadedly engaged with the transmission nut is movably provided inside the transmission nut. One end of the transmission screw extends into the fixed frame and is connected to the positioning block, and the other end of the transmission screw is provided with a knob.

[0011] As a preferred embodiment of the cable winding protective device for easy transportation described in this invention, the following features are provided: an arc-shaped groove is provided through the end face of the mounting tray, which can communicate with the spray chamber; a positioning groove is also provided through the end face of the mounting tray, which can communicate with the arc-shaped groove; a spray assembly is movably mounted inside the shaft, and the spray assembly includes a connecting pipe that can slide with the arc-shaped groove; an inlet channel is provided on the end face of the connecting pipe, and the end face of the connecting pipe extends to the outside of the mounting tray through the arc-shaped groove, and is provided with a fixing member; a spray plate is provided at the opening of the other end face of the connecting pipe, and an outlet channel is provided through the outer wall of the spray plate; the fixing member includes a shaped plate sleeved on the outer wall of the connecting pipe, a first ratchet groove integrally formed on the outer wall of the shaped plate, and a handle groove through the outer wall of the shaped plate.

[0012] As a preferred embodiment of the cable winding protective device for easy transportation described in this invention, the support frame has a control groove communicating with the placement groove. The control groove has a limiting component, and the limiting component includes an abutment plate slidably disposed on the inner end face of the control groove and a limiting plate rotatably disposed in the control groove. The end face of the limiting plate has a second ratchet groove. The other end face of the limiting plate has a first ejector protrusion integrally formed, and the outer wall of the limiting plate has a reset protrusion and a spring groove. The abutment plate has a second ejector protrusion and a receiving groove on one end face near the limiting plate. In the initial state, the first ejector protrusion is located directly above the receiving groove.

[0013] As a preferred embodiment of the cable winding protective device for easy transportation described in this invention, the end face of the contact plate is provided with a first slot and a second slot respectively, and a second elastic element is provided between the end face of the contact plate and the spring slot; the outer wall of the second elastic element is provided with a locking protrusion that can cooperate with the first slot and the second slot respectively; a push rod is movably provided on the inner wall of the control groove, and one end of the push rod extends to the outside of the support frame.

[0014] As a preferred embodiment of the cable winding protective device for easy transportation described in this invention, the limiting component further includes a reset shaft rotatably disposed in the control groove, and the outer wall of the reset shaft is respectively provided with a first fixing block and a second fixing block.

[0015] The beneficial effects of the present invention are as follows: The present invention allows for easy adjustment of the distance between the two sets of support frames, enabling the protective device to be used with cable reels of various sizes. It ensures that the two ends of the protective device provide stable support for the two ends of the cable reel. By protecting and supporting the two ends of the cable reel with the protective device, damage to the surface of the two ends of the cable reel and the cable reel rolling on the ground can be avoided, thereby preventing accidents from occurring. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein:

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0018] Figure 2 This is a schematic diagram of the adjustment component structure in this invention.

[0019] Figure 3 This is a schematic diagram of the connector structure in this invention.

[0020] Figure 4 This is a schematic diagram of the positioning block structure in this invention.

[0021] Figure 5 This is a schematic diagram of the spray assembly structure in this invention.

[0022] Figure 6 This is a magnified schematic diagram of the overall structure and partial shape of the present invention. Detailed Implementation

[0023] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0024] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0025] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0026] Example 1

[0027] Reference Figures 1-6 This is the first embodiment of the present invention. This embodiment provides a protective device for cable winding that is easy to transport. A bearing component 100 is provided to support the winding component 200. The support frame 101 inside the bearing component 100 can ensure that the winding component 200 is subjected to uniform force. Furthermore, the cooperation between the hook 203 and the hook groove 101b can provide a certain degree of fixation during transportation or when placed on the ground, thus avoiding the potential danger caused by the winding component rolling.

[0028] Specifically, the support assembly 100 includes a support frame 101, a placement groove 101a opened on one end face of the support frame 101, and a hook groove 101b opened on the other end face of the support frame 101; wherein, the bottom of the support frame 101 is horizontal to ensure that it can effectively support the winding assembly 200.

[0029] And, the winding assembly 200 includes a shaft 201, a mounting tray 202 symmetrically arranged at both ends of the shaft 201 and detachably connected to the mounting slot 101a, and a hook 203 that can cooperate with the hook slot 101b is also provided on the end face of the mounting tray 202; wherein, a spray chamber is integrally injection molded inside the shaft 201, and a spray channel 201a that can communicate with the spray chamber is opened through the outer wall of the shaft 201.

[0030] In order to adjust the gap between the two support frames 101, an adjustment component 500 is also provided, which includes a base plate 501, a fixed frame 502 located on the end face of the base plate 501, and a connector 503 movably located outside the base plate 501.

[0031] It should be noted that during actual transportation, if the cable is in harsh environments such as high or low temperatures, it is prone to hardening due to dryness or shrinking due to extreme cold. Spraying a wetting agent can maintain the cable's flexibility and prevent damage. This type of winding assembly can spray the wetting agent through the spray channel 201a inside the shaft 201.

[0032] The hook 203 can be connected to the mounting plate 202 via an elastic band (the elastic band is fully described in the prior art and will not be elaborated on here). In order to provide a better fixing effect, the number of hooks 203 should be consistent with the number of hook slots 101b, and they should correspond one-to-one when used. In this invention, it is preferred that there are two hooks 203 and two hook slots 101b.

[0033] The support frame 101 has a first connecting groove k, and the inner wall of the first connecting groove k is slidably provided with a connecting slider k-1; wherein, each support frame 101 has a first connecting groove k, and the two first connecting grooves k are provided with four connecting sliders k-1.

[0034] The connector 503 includes a first rotating rod 503a and a second rotating rod 503b, which are arranged in a cross shape. Both ends of the first rotating rod 503a and the second rotating rod 503b are hinged to connecting sliders k-1. The four ends of the first rotating rod 503a and the second rotating rod 503b are respectively connected to four connecting sliders k-1 in a one-to-one correspondence. Figure 2 Taking a perspective example, when each column of connecting sliders k-1 approaches each other, the first rotating rod 503a and the second rotating rod 503b will also approach each other, causing the two support frames 101 to move away from each other, thus solving the problems existing in the prior art.

[0035] Both the outer walls of the first rotating rod 503a and the second rotating rod 503b have through holes 503a-1, forming a connecting channel 503b-1 between them. A positioning block 502c-1 is provided within the connecting channel 503b-1. A second connecting groove 502c is integrally injection-molded within the fixing frame 502, and the inner wall of the second connecting groove 502c can slide against the positioning block 502c-1. A first elastic element 502c-2 is provided between the inner wall of the fixing frame 502 and the positioning block 502c-1; wherein the first elastic element 502c-2 is a compression spring. The connecting channel 503b-1 is used to connect and install the positioning block 502c-1. Figure 4 As shown, each of the two end faces of the positioning block 502c-1 is provided with a rotating post, and the two rotating posts are respectively connected to each connecting through hole 503a-1.

[0036] A transmission nut 502a is embedded in the outer wall of the fixed frame 402, and a transmission screw 502b that can be threadedly engaged with the transmission nut 502a is movably provided inside the transmission nut 502a. One end of the transmission screw 502b extends into the fixed frame 502 and is connected to the positioning block 502c-1, and the other end of the transmission screw 502b is provided with a knob 502b-1. It should be noted that a bearing is also provided at the connection between the transmission screw 502b and the positioning block 502c-1. The bearing can ensure that the transmission screw 502b will not drive the positioning block 502c-1 to rotate during rotation, but will only drive the positioning block 502c-1 to move.

[0037] In summary, when it is necessary to adjust the gap between each support frame 101, the knob 502b-1 can be rotated. With the threaded engagement of the transmission nut 502a and the transmission screw 502b, the transmission screw 502b gradually enters the fixed frame 502, and the transmission screw 502b will push the positioning block 502c-1 to move.

[0038] When the positioning block 502c-1 is displaced, the two ends of the first rotating rod 503a and the second rotating rod 503b will move closer to each other, thereby adjusting the gap between the two support frames 101. Conversely, the gap between the two support frames 101 can be adjusted to be smaller.

[0039] When transporting or leaving the winding assembly 200 idle, the placement tray 202 on the winding assembly 200 can be placed on the placement slot 101a, and the support frame 101 can be used to support the winding assembly 200.

[0040] Furthermore, to improve the support stability of the support frame 101, the hook 203 can be pulled out and engaged with the hook groove 101b to prevent the placement plate 202 from detaching from the placement groove 101a.

[0041] Example 2

[0042] Reference Figures 1-4 This is the second embodiment of the present invention, which is based on the previous embodiment, but differs in that it provides a method for spraying a wetting agent onto a wire coil.

[0043] Specifically, the end face of the mounting plate 202 has a through arc-shaped groove 202a that communicates with the spray chamber, and the end face of the mounting plate 202 also has a positioning groove 202a-1 that communicates with the arc-shaped groove 202a. A spray assembly 300 is movably mounted inside the shaft 201, and the spray assembly 300 includes a connecting pipe 301 that can slide with the arc-shaped groove 202a. The connecting pipe 301 can be displaced within the stroke of the arc-shaped groove 202a.

[0044] The end face of the connecting pipe 301 is provided with a liquid inlet channel 301a, and the end face of the connecting pipe 301 extends to the outside of the mounting plate 202 through a through arc-shaped groove 202a, and is provided with a fixing member 302; while the other end face of the connecting pipe 301 is provided with a spray plate 303, and the outer wall of the spray plate 303 is provided with a liquid outlet channel 303a. When the connecting pipe 301 is displaced, the connecting pipe 301, through centrifugal motion, inputs the wetting agent in the connecting pipe 301 into the spray plate 303, and then throws it out from the liquid outlet channel 303a. The wetting agent thrown out from the liquid outlet channel 303a will come into contact with the coil through the spray channel 201a, thereby completing the wetting operation.

[0045] The fastener 302 includes a shaped plate 302a sleeved on the outer wall of the connecting pipe 301, a first ratchet groove 302a-1 integrally formed on the outer wall of the shaped plate 302a, and a handle groove 302a-2 penetrating through the outer wall of the shaped plate 302a. The handle groove 302a-2 facilitates the operator's control of the displacement of the connecting pipe 301, while the fastener provides a further securing effect.

[0046] In summary, if wetting is required before the start of transportation operations or when the winding assembly 200 is idle, the connecting pipe 301 can be moved along the arc groove 202a by the handle groove 302a-2 on the irregular plate 302a, and the wetting operation of the wire roll can be completed during the displacement process.

[0047] It should be noted that the wetting agent can be added to the connecting tube 301 through the liquid inlet channel 301a on the connecting tube 301.

[0048] Example 3

[0049] Reference Figures 1-6 This is the third embodiment of the present invention. This embodiment is based on the previous embodiment, but the difference is that the spray assembly 300 provides stability of the winding assembly 200 on the bearing assembly 100 through the cooperation of the limiting component and the fixing member 302.

[0050] Specifically, the support frame 101 has a control groove 101c that communicates with the placement groove 101a. The control groove 101c has a limiting component, which includes an abutment plate 401 that is slidably disposed on the inner end face of the control groove 101c and a limiting plate 402 that is rotatably disposed in the control groove 101c. The end face of the limiting plate 402 has a second ratchet groove 402a.

[0051] In the initial state, when the irregularly shaped plate 302a is rotated counterclockwise to the other end face of the arc-shaped groove 202a, the first ratchet groove 302a-1 will engage with the second ratchet groove 402a, thus restricting the clockwise rotation of the irregularly shaped plate 302a, making it a unidirectional rotation. Excessive counterclockwise rotation of the irregularly shaped plate 302a is also restricted by the arc-shaped groove 302a. At this time, the connecting pipe 301 is fixed. Based on this, the winding assembly 200 itself still carries the risk of detaching from the placement groove 101a due to its own rotation.

[0052] The other end face of the limiting plate 402 is integrally formed with a first ejector protrusion 402b, and the outer wall of the limiting plate 402 is provided with a reset protrusion 402c, and the outer wall of the limiting plate 402 is provided with a spring groove 402d.

[0053] The contact plate 401 has a second ejector protrusion 401a and a receiving groove 401b on one end face near the limiting plate 402; wherein, in the initial state, the first ejector protrusion 402b is located directly above the receiving groove 401b.

[0054] The end face of the contact plate 401 is provided with a first slot 401c and a second slot 401d, and a second elastic element 403 is provided between the end face of the contact plate 401 and the spring slot 402d. The second elastic element 403 is arc-shaped, and the second elastic element 403 is subjected to force when the first pawl slot 302a-1 engages with the second pawl slot 402a.

[0055] The outer wall of the second elastic member 403 is provided with a locking protrusion 403a that can respectively engage with the first slot 401c and the second slot 401d; the inner wall of the control groove 101c is movably provided with a push rod 404, and one end of the push rod 404 extends to the outside of the support frame 101. In the initial state, the locking protrusion 403a is located in the first slot 401c, and pushing the push rod 404 will cause the contact plate 401 to shift.

[0056] The limiting assembly also includes a reset shaft 405 rotatably disposed within the control groove 101c, and the outer wall of the reset shaft 405 is respectively provided with a first fixing block 405a and a second fixing block 405b. The reset shaft 405 is used to reset the abutment plate 401 after displacement, or to release the engagement between the first ratchet groove 302a-1 and the second ratchet groove 402a.

[0057] It should be noted that when the first ratchet groove 302a-1 and the second ratchet groove 402a are disengaged by rotating the reset shaft 405, the receiving groove 401b is used to provide a channel for the first lifting protrusion 402b to move, so as to avoid the contact plate 401 from interfering with the movement of the limiting plate 402.

[0058] In summary, to avoid the potential risks caused by the rotation of the winding assembly 200, after the first ratchet groove 302a-1 comes into contact with the second ratchet groove 402a, the operator can push the push rod 404 to move the abutment plate 401 within the control groove 101c. Since the limiting plate 402 cannot move but can only rotate, the second elastic element 403 will deform itself to allow the locking protrusion 403a to move from the first slot 401c into the second slot 401d, thus completing the fixation of the abutment plate 401 after displacement.

[0059] During the movement, the contact plate 401 will contact the first lifting protrusion 402b through the second ejecting protrusion 401a, and lift the first ratchet groove 302a-1 and the second ratchet groove 402a upward, so that the connecting tube 301 enters the positioning groove 202a-1. This further avoids the risk of the winding assembly 200 rotating on its own.

[0060] When it is necessary to release the winding assembly 200, rotate the reset shaft 405 counterclockwise. Through the contact between the second fixing block 405b and the contact plate 401, push the contact plate 401 to reset. At this time, as described above, the locking protrusion 403a in the second elastic member 403 will enter the first slot 401c from the second slot 401d.

[0061] After completing the above actions, controlling the hook 203 away from the hook groove 101b will lift the winding assembly 200 from the bearing assembly 100. Alternatively, the reset shaft 405 can be rotated clockwise to press the first fixing block 405a against the reset protrusion 402c, causing the limiting plate 402 to rotate. This will allow the irregular plate 302a inside the fixing member 302 to be reset individually without having to remove the hook 203 from the hook groove 101b.

[0062] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape, and proportions of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of the invention. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structurally equivalent but also equivalent in structure. Other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments without departing from the scope of the invention. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0063] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the invention as currently considered, or those features that are not relevant to implementing the invention) may be omitted.

[0064] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0065] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A protective device for cable winding that facilitates transportation, characterized in that: include, The support assembly (100) includes two symmetrically arranged support frames (101), a placement groove (101a) formed on one end face of the support frame (101), and a hook groove (101b) formed on the other end face of the support frame (101); and, The winding assembly (200) includes a shaft (201) and a placement tray (202) symmetrically arranged at both ends of the shaft (201) and detachably connected to the placement groove (101a). The end face of the placement tray (202) is also provided with a hook (203) that can cooperate with the hook groove (101b). The shaft (201) has an integral injection molded spray cavity, and a spray channel (201a) that can communicate with the spray cavity is opened through the outer wall of the shaft (201). The adjustment assembly (500) includes a base plate (501), a fixing frame (502) disposed on the end face of the base plate (501), and a connector (503) movably disposed outside the base plate (501). The end face of the mounting plate (202) is provided with an arc-shaped groove (202a) that can communicate with the spray chamber, and the end face of the mounting plate (202) is also provided with a positioning groove (202a-1) that can communicate with the arc-shaped groove (202a). A spray assembly (300) is movably mounted in the shaft (201), and the spray assembly (300) includes a connecting pipe (301) that can slide with the arc-shaped groove (202a). The end face of the connecting pipe (301) is provided with a liquid inlet channel (301a), and the end face of the connecting pipe (301) passes through the arc-shaped groove (202a). The groove (202a) extends to the outside of the mounting plate (202) and is provided with a fixing member (302); the other end face of the connecting pipe (301) is provided with a spray plate (303), and the outer wall of the spray plate (303) is provided with a liquid outlet channel (303a); the fixing member (302) includes a shaped plate (302a) sleeved on the outer wall of the connecting pipe (301), a first ratchet groove (302a-1) integrally formed on the outer wall of the shaped plate (302a), and a handle groove (302a-2) that is provided through the outer wall of the shaped plate (302a).

2. The protective device for easy transportation of cable winding as described in claim 1, characterized in that: The support frame (101) has a control groove (101c) communicating with the placement groove (101a). The control groove (101c) has a limiting component, which includes an abutment plate (401) slidably disposed on the inner end face of the control groove (101c) and a limiting plate (402) rotatably disposed in the control groove (101c). The end face of the limiting plate (402) has a second ratchet groove (402a). The other end face of the limiting plate (402) The first ejector protrusion (402b) is integrally formed, and the outer wall of the limiting plate (402) is provided with a reset protrusion (402c). The outer wall of the limiting plate (402) is provided with a spring groove (402d). The abutment plate (401) is provided with a second ejector protrusion (401a) and a receiving groove (401b) on one end face near the limiting plate (402). In the initial state, the first ejector protrusion (402b) is located directly above the receiving groove (401b).

3. The protective device for easy transportation of cable winding as described in claim 2, characterized in that: The end face of the contact plate (401) is provided with a first slot (401c) and a second slot (401d), and a second elastic element (403) is provided between the end face of the contact plate (401) and the spring slot (402d); the outer wall of the second elastic element (403) is provided with a locking protrusion (403a) that can cooperate with the first slot (401c) and the second slot (401d) respectively; a push rod (404) is movably provided on the inner wall of the control groove (101c), and one end of the push rod (404) extends to the outside of the support frame (101).

4. The protective device for easy transportation of cable winding as described in claim 3, characterized in that: The limiting component also includes a reset shaft (405) rotatably disposed in the control groove (101c), and the outer wall of the reset shaft (405) is respectively provided with a first fixing block (405a) and a second fixing block (405b).