Cable releasing safety protection device

Abstract

The utility model relates to a cable releasing safety protection device which comprises a fixing plate, a protection assembly and a protection assembly, the protection assembly is fixed to one side of the fixing plate, and a cable protection cavity is formed between the protection assembly and the fixing plate; the protection assembly is arranged in the cable protection cavity and provided with a through groove for a cable to penetrate through, and an insulating layer is arranged on the inner wall of the through groove. According to the utility model, the cable protection cavity is arranged and the protection cylinder is arranged in the cable protection cavity, so that the protection cylinder and the conductive wire cores can be effectively protected, and meanwhile, the insulating layer is arranged in the through groove for placing the conductive wire cores, so that the conductive wire cores are prevented from being in direct contact with surrounding metal parts or conductive objects through the insulating layer; therefore, electrical faults such as short circuit and electric leakage are avoided, and the safety of the conductive wire core is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of electric power, in particular to a cable laying safety protection device. BACKGROUND

[0002] The cable is a wire for transmitting electric power or information from one place to another, which is made of one or more mutually insulated conductors, an insulating layer and a protective layer. In the process of building construction, high-power electrical appliances are often used, and cables need to be separately pulled for work. With the development of urbanization, the application range is becoming more and more popular, and the safe operation of the cable becomes crucial. The cable needs to use a protection device when laying.

[0003] Among them, the underground cable protection device is also a mature technology. The sponge layer and the drainage groove are installed in the device to realize the internal water accumulation and drainage problem, and improve the protection ability of the whole device to the cable.

[0004] However, the following defects still exist: the protection device, in use, because the underground cable is deeply buried below the ground surface, the drainage groove is arranged to expose the cable to the external underground environment, which is easy to cause the cable to be waterlogged or corroded, reduces the service life of the cable and the safety of underground work, and cannot be adjusted according to the different thicknesses of the cable, and cannot meet the needs in different situations. CONTENT OF THE INVENTION

[0005] The application provides a cable laying safety protection device, which can solve the problem that the drainage groove in the underground cable protection device in the related art is easy to cause the cable to be waterlogged or corroded.

[0006] The application provides a cable laying safety protection device, which can solve the problem that the drainage groove in the underground cable protection device in the related art is easy to cause the cable to be waterlogged or corroded.

[0007] In some embodiments, the protection assembly comprises a surrounding frame, which is fixed to one side of the fixed plate and forms the cable protection cavity with the fixed plate.

[0008] In some embodiments, the surrounding frame comprises a top plate, a bottom plate and a cover plate, the top plate is fixed to one side of the fixed plate, the bottom plate is fixed to one side of the fixed plate and located below the top plate, the cover plate is arranged between the top plate and the bottom plate, and the top plate, the bottom plate, the cover plate and the fixed plate form a frame structure, and the frame structure forms the cable protection cavity inside.

[0009] In some embodiments, the cover plate is hinged to the top plate and movably connected with the bottom plate through a locking member.

[0010] In some embodiments, the locking piece comprises a pressing groove, a reset spring, a safety lock, a lifting block, a moving groove and a locking groove, the pressing groove is arranged on the cover plate near the end of the bottom plate; the reset spring is fixed inside the pressing groove; the safety lock is fixed with the reset spring; the lifting block is fixed on the safety lock; the moving groove is arranged on the end of the bottom plate and communicates with the pressing groove, the lifting block is slidingly connected inside the moving groove; the locking groove is arranged on the bottom plate and is clamped with the safety lock.

[0011] In some embodiments, the bottom plate is provided with a baffle, and the baffle is attached to the cover plate away from one end of the fixed plate.

[0012] In some embodiments, the cable protection cavity is provided with a clamping piece inside, and the protection assembly is arranged inside the clamping piece.

[0013] In some embodiments, the clamping piece comprises a threaded rod, a stretching rod, a top clamping plate, a first spring, a top arc plate, a long slot, an inverted T-shaped plate, an extrusion spring, a bottom clamping plate, a second spring and a bottom arc plate, the threaded rod is arranged through the cavity wall of the cable protection cavity and is threadedly connected with the cavity wall of the cable protection cavity; the stretching rod is fixed to the top end of the cavity wall of the cable protection cavity; the top clamping plate is fixed to the bottom end of the stretching rod, and the bottom end of the threaded rod is rotationally connected with the top clamping plate; the first spring is fixed to the bottom end of the top clamping plate; the top arc plate is fixed to the bottom end of the first spring; the long slot is fixed to the bottom end of the cavity wall of the cable protection cavity; the inverted T-shaped plate is slidingly connected inside the long slot; the extrusion spring is fixed between the long slot and the inverted T-shaped plate; the bottom clamping plate is fixed to the top end of the inverted T-shaped plate; the second spring is fixed to the top end of the bottom clamping plate; the bottom arc plate is fixed to the top end of the second spring, and the bottom arc plate and the top arc plate form a protection assembly clamping space.

[0014] In some embodiments, the top end of the bottom arc plate and the bottom end of the top arc plate are provided with a rubber layer or a sponge layer.

[0015] In some embodiments, the protection assembly comprises a protection cylinder, a mounting groove and a rubber rack, the protection cylinder is arranged inside the cable protection cavity, and a through groove is arranged inside the protection cylinder; the mounting groove is arranged in the middle of the protection cylinder, and the through groove is located on one side of the mounting groove; the rubber rack is fixed inside the mounting groove.

[0016] The technical scheme provided by the embodiments of the present application has the following beneficial effects:

[0017] The embodiment of the present application provides a cable laying safety protection device, through the arrangement of a cable protection cavity and the arrangement of a protection cylinder in the cable protection cavity, the protection cylinder and the conductive wire core can be effectively protected, meanwhile, an insulation layer is arranged in a through slot for placing the conductive wire core, the conductive wire core is prevented from directly contacting surrounding metal parts or conductive objects through the insulation layer, so that electrical faults such as short circuit and electric leakage are avoided, and the safety of the conductive wire core is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of these drawings.

[0019] Figure 1 The overall structure schematic diagram provided by the embodiment of the present application is shown in the figure.

[0020] Figure 2 The protection assembly schematic diagram provided by the embodiment of the present application is shown in the figure.

[0021] Figure 3 The protection assembly schematic diagram provided by the embodiment of the present application is shown in the figure.

[0022] Figure 4 The Figure 2 The local enlarged schematic diagram of A in the figure is shown in the figure.

[0023] In the figure: 1, fixed plate; 110, fixed hole;

[0024] 2, protection assembly; 211, top plate; 212, bottom plate; 213, cover plate; 214, threaded rod; 215, top clamping plate; 216, stretching rod; 217, first spring; 218, top arc plate; 219, long slot; 220, inverted T-shaped plate; 221, bottom clamping plate; 222, extrusion spring; 223, second spring; 224, bottom arc plate; 225, extrusion slot; 226, safety lock; 227, reset spring; 228, lifting block; 229, moving slot; 230, lock slot; 231, baffle;

[0025] 3, protection assembly; 310, protection cylinder; 311, mounting slot; 312, rubber frame; 313, through slot; 314, insulating rubber sleeve; 315, conductive wire core. DETAILED DESCRIPTION

[0026] In the following, the technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the drawings in the embodiments of the present application, so that those skilled in the art can better understand the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0027] The cable laying safety protection device provided by the embodiments of the present application can solve the problem that the drainage groove in the related art underground cable protection device is easy to cause water to enter the cable or cause corrosion.

[0028] Referring to Figures 1 to 4 The cable laying safety protection device provided by the embodiments of the present application includes a fixing plate 1, a protection assembly 2 and a protection assembly 3. The protection assembly 2 is fixed to one side of the fixing plate 1, and a cable protection cavity is formed between the protection assembly 2 and the fixing plate 1. The protection assembly 3 is arranged inside the cable protection cavity, and the protection assembly 3 is provided with a through slot 313 for passing the cable. An insulation layer is arranged on the inner wall of the through slot 313.

[0029] In the present application, the cable protection cavity is arranged, and the protection cylinder 310 is arranged inside the cable protection cavity, so that the protection cylinder 310 and the conductive wire core 315 can be effectively protected. Meanwhile, the insulation layer is arranged in the through slot 313 for placing the conductive wire core 315. The conductive wire core 315 is prevented from directly contacting the surrounding metal parts or conductive objects through the insulation layer, so that electrical faults such as short circuit and electric leakage are avoided, and the safety of the conductive wire core 315 is improved.

[0030] In the above embodiment, the protection assembly 2 includes a surrounding frame. The surrounding frame is fixed to one side of the fixing plate 1, and a cable protection cavity is formed between the surrounding frame and the fixing plate 1.

[0031] Specifically, the surrounding frame includes a top plate 211, a bottom plate 212 and a cover plate 213. The top plate 211 is fixed to one side of the fixing plate 1. The bottom plate 212 is fixed to one side of the fixing plate 1 and located below the top plate 211. The cover plate 213 is arranged between the top plate 211 and the bottom plate 212. The top plate 211, the bottom plate 212, the cover plate 213 and the fixing plate 1 form a frame structure, and a cable protection cavity is formed inside the frame structure.

[0032] The top end and the bottom end of the fixed plate 1 are provided with fixing holes 110 on both sides, which are convenient for fixing the fixed plate 1. The cover plate 213 is hinged to the top plate 211. The top end and the bottom end of the fixed plate 1 are respectively provided with the top plate 211 and the bottom plate 212, one side of the top plate 211 is hinged to the cover plate 213 through the hinge, and the protection assembly 3 is installed between the top plate 211, the bottom plate 212, the cover plate 213 and the fixed plate 1. The cover plate 213 and the top plate 211 are hinged, so that the frame structure can be opened to facilitate the maintenance and replacement of the internal device.

[0033] On the basis of the above-mentioned embodiment, in the present embodiment, the cover plate 213 and the bottom plate 212 are movably connected through a locking member, when the cover plate 213 is closed, the cover plate 213 and the bottom plate 212 are fixed through the locking member, to avoid the cover plate 213 being opened by external force.

[0034] Specifically, the locking member comprises: an extrusion groove 225, a reset spring 227, a safety lock 226, a lifting block 228, a moving groove 229 and a lock groove 230, the extrusion groove 225 is provided on the end of the cover plate 213 close to the bottom plate 212; the reset spring 227 is fixed in the extrusion groove 225; the safety lock 226 is fixed with the reset spring 227; the lifting block 228 is fixed on the safety lock 226; the moving groove 229 is provided on the end of the bottom plate 212 and communicates with the extrusion groove 225, the lifting block 228 is slidably connected in the moving groove 229; the lock groove 230 is provided on the bottom plate 212 and is clamped with the safety lock 226.

[0035] An extrusion groove 225 is provided in the middle of the bottom end of the cover plate 213, the inside of the extrusion groove 225 is provided with a safety lock 226, and a reset spring 227 is provided at the top end of the safety lock 226, the side surface of the safety lock 226 is fixedly connected with a lifting block 228, and the lifting block 228 extends out of the side surface of the cover plate 213, a moving groove 229 is provided at the position of the side surface of the cover plate 213 corresponding to the lifting block 228, a pull handle is provided on the top end side of the cover plate 213 corresponding to the lifting block 228, and a lock groove 230 is provided on the bottom plate 212 corresponding to the safety lock 226. By lifting the lifting block 228 upward, the lifting block 228 can move in the moving groove 229, driving the safety lock 226 to be lifted synchronously in the extrusion groove 225, at this time the reset spring 227 is compressed, the safety lock 226 is released from the limitation of the lock groove 230, and the cover plate 213 is opened by pulling the pull handle, the reset spring 227 resets the safety lock 226 by elastic action, when the cover plate 213 is closed, the safety lock 226 is aligned with the lock groove 230, the lifting block 228 is released, the reset spring 227 can rebound, driving the safety lock 226 to be inserted into the lock groove 230, to limit the cover plate 213.

[0036] Further, the bottom plate 212 is provided with a baffle plate 231, which is attached to the cover plate 213 away from one end of the fixed plate 1.

[0037] The baffle plate 231 can intercept the cover plate 213, so as to facilitate the safety lock 226 to enter the inside of the lock slot 230 for fixation.

[0038] On the basis of the above embodiment, in the present embodiment, the cable protection cavity is internally provided with a clamping piece, and the protection assembly 3 is arranged inside the clamping piece.

[0039] The clamping piece comprises a threaded rod 214, a stretching rod 216, a top clamping plate 215, a first spring 217, a top arc plate 218, a long slot 219, an inverted T-shaped plate 220, an extrusion spring 222, a bottom clamping plate 221, a second spring 223, and a bottom arc plate 224. The threaded rod 214 is arranged through the cavity wall of the cable protection cavity and is threadedly connected with the cavity wall of the cable protection cavity. The stretching rod 216 is fixed to the top end of the cavity wall of the cable protection cavity. The top clamping plate 215 is fixed to the bottom end of the stretching rod 216, and the bottom end of the threaded rod 214 is rotationally connected with the top clamping plate 215. The first spring 217 is fixed to the bottom end of the top clamping plate 215. The top arc plate 218 is fixed to the bottom end of the first spring 217. The long slot 219 is fixed to the bottom end of the cavity wall of the cable protection cavity. The inverted T-shaped plate 220 is slidingly connected inside the long slot 219. The extrusion spring 222 is fixed between the long slot 219 and the inverted T-shaped plate 220. The bottom clamping plate 221 is fixed to the top end of the inverted T-shaped plate 220. The second spring 223 is fixed to the top end of the bottom clamping plate 221. The bottom arc plate 224 is fixed to the top end of the second spring 223, and the bottom arc plate 224 and the top arc plate 218 form a protection assembly clamping space.

[0040] Specifically, the middle part of the top plate 211 is threadedly connected with the threaded rod 214, the threaded rod 214 penetrates through the top end of the top plate 211, the threaded rod 214 is rotationally connected with the top clamping plate 215, and both sides of the threaded rod 214 are provided with a group of stretching rods 216, which are arranged inside the cable protection cavity. The bottom end of the top clamping plate 215 is uniformly distributed with a plurality of first springs 217, and the bottom end of the first spring 217 is connected with the top arc plate 218. Both sides of the top end of the bottom plate 212 are provided with long slots 219, and the inverted T-shaped plate 220 is slidingly arranged inside the long slot 219. The inverted T-shaped plate 220 extends out of the top end of the long slot 219 and is connected with the bottom clamping plate 221. A plurality of extrusion springs 222 are arranged inside the long slot 219 at the bottom end of the inverted T-shaped plate 220. The top end of the bottom clamping plate 221 is uniformly distributed with a plurality of second springs 223, and the top end of the second spring 223 is connected with the bottom arc plate 224.

[0041] By rotating the threaded rod 214, the threaded rod 214 drives the top clamping plate 215, the first spring 217 and the top arc plate 218 to move up and down synchronously, the stretching rod 216 is used to assist in limiting the top clamping plate 215 to avoid rotation, the top arc plate 218 and the bottom arc plate 224 can clamp and fix the protection assembly 3, the first spring 217 and the second spring 223 respectively buffer the top clamping plate 215 and the bottom clamping plate 221, absorb and reduce the impact of external impact and vibration on the protection assembly 3, reduce possible damage and wear, and adapt to protection assemblies 3 of different diameters when subjected to pressure, providing flexibility. When the bottom arc plate 224 receives the protection cylinder 310, the weight generated by the bottom arc plate 224 drives the inverted T-shaped plate 220 to sink along the long slot 219, so that the compression spring 222 is compressed and has a certain buffering capacity.

[0042] Further, the top end of the bottom arc plate 224 and the bottom end of the top arc plate 218 are provided with a rubber layer or a sponge layer. The rubber layer or the sponge layer can increase the friction between the bottom arc plate 224 and the top arc plate 218 and the protection assembly 3, avoid sliding of the protection assembly 3 during clamping by the bottom arc plate 224 and the top arc plate 218, and ensure the stability of clamping.

[0043] Further, a fixed sleeve is sleeved on the threaded rod 214 outside the top plate 211, the fixed sleeve can be stably locked on the threaded rod 214, and the stability and reliability of the entire structure are improved.

[0044] On the basis of the above embodiment, in the present embodiment, the protection assembly 3 comprises a protection cylinder 310, a mounting groove 311 and a rubber frame 312, the protection cylinder 310 is arranged inside the cable protection cavity, and a through groove 313 is formed in the protection cylinder 310; the mounting groove 311 is formed in the middle of the protection cylinder 310, and the through groove 313 is located on one side of the mounting groove 311; the rubber frame 312 is fixed inside the mounting groove 311.

[0045] Specifically, the protection cylinder 310 is arranged between the bottom arc plate 224 and the top arc plate 218, the mounting groove 311 is formed in the middle of the protection cylinder 310, a plurality of mounting grooves 311 are intersected and extended to the periphery of the protection cylinder 310, and the rubber frame 312 is arranged in the mounting groove 311. The through groove 313 is also formed in the protection cylinder 310, the through groove 313 is located on one side of the mounting groove 311, and an insulating layer is arranged on the inner side wall of the through groove 313. In the present embodiment, the insulating layer can be an insulating rubber sleeve 314, and the conductive wire core 315 is arranged in the insulating rubber sleeve 314.

[0046] The rubber holder 312 is installed in the installation groove 311 and the conductive wire core 315 is installed in the through groove 313. The rubber holder 312 can buffer the rebound, effectively protect the conductive wire core 315, increase the overall toughness of the protection cylinder 310, and avoid the direct contact between the conductive wire core 315 and the surrounding metal parts or conductive objects, thereby avoiding electrical faults such as short circuit and electric leakage, and improving the safety of the conductive wire core 315.

[0047] Before use, the staff first lifts the lifting block 228 upward, the lifting block 228 moves in the inside of the moving groove 229, drives the safety lock 226 to synchronously lift in the inside of the extrusion groove 225, the reset spring 227 is compressed, the safety lock 226 is released from the limitation in the lock groove 230, the cover plate 213 is opened by pulling the pull handle,

[0048] In use, the staff places the protection cylinder 310 on the bottom arc plate 224, the rubber holder 312 is installed in the installation groove 311, can buffer the rebound, effectively protect the conductive wire core 315, increase the overall toughness of the protection cylinder 310, the insulating sleeve 314 outside the conductive wire core 315 avoids the direct contact between the conductive wire core 315 and the surrounding metal parts or conductive objects, thereby avoiding electrical faults such as short circuit and electric leakage, and improving the safety of the conductive wire core 315. When the bottom arc plate 224 supports the protection cylinder 310, the weight generated by the bottom clamping plate 221 drives the inverted T-shaped plate 220 to sink along the long groove 219, so that the extrusion spring 222 is compressed and has a certain buffering capacity. When the threaded rod 214 is rotated, the threaded rod 214 drives the top clamping plate 215, the first spring 217 and the top arc plate 218 to synchronously move downward for clamping and fixing. The stretching rod 216 is used for auxiliary limiting of the top clamping plate 215 to avoid rotation. The first spring 217 and the second spring 223 respectively buffer the top clamping plate 215 and the bottom clamping plate 221, absorb and reduce the impact force and vibration of the outside world on the protection cylinder 310, reduce the possible damage and wear, and adapt to the protection cylinder 310 of different diameters when subjected to pressure, and provide flexibility.

[0049] In the description of the present application, it should be noted that the terms "upper", "lower", and the like are used for indicating the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. Unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0050] It should be noted that in the present application, relational terms such as "first" and "second", and the like are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed, or other elements inherent in such a process, method, article or apparatus. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of other identical elements in the process, method, article or apparatus including the element.

[0051] The above is only a specific embodiment of the present application, which enables those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features applied herein.

Claims

1. A cable deployment safety shield, characterized by, It includes: A fixed plate (1); A protection assembly (2) fixed to one side of the fixed plate (1), and a cable protection cavity is formed between the protection assembly (2) and the fixed plate (1); A protection assembly (3) arranged inside the cable protection cavity, and a through slot (313) for arranging cables is arranged on the protection assembly (3), and an insulation layer is arranged on the inner wall of the through slot (313).

2. The cable laying safety protection device according to claim 1, wherein: The protection assembly (2) includes a surrounding frame fixed to one side of the fixed plate (1) and forming a cable protection cavity with the fixed plate (1).

3. The cable deployment safety shield of claim 2, wherein, The surrounding frame includes: A top plate (211) fixed to one side of the fixed plate (1); A bottom plate (212) fixed to one side of the fixed plate (1) and located below the top plate (211); A cover plate (213) arranged between the top plate (211) and the bottom plate (212); The top plate (211), the bottom plate (212), the cover plate (213) and the fixed plate (1) form a frame structure, and the frame structure forms a cable protection cavity inside.

4. The cable laying safety protection device according to claim 3, wherein: The cover plate (213) is hinged to the top plate (211) and movably connected with the bottom plate (212) through a locking member.

5. The cable deployment safety shield of claim 4, wherein, The locking member includes: An extrusion groove (225) formed in the cover plate (213) near the end of the bottom plate (212); A reset spring (227) fixed inside the extrusion groove (225); A safety lock (226) fixed with the reset spring (227); A lifting block (228) fixed to the safety lock (226); A moving groove (229) formed in the end of the bottom plate (212) and communicating with the extrusion groove (225), and the lifting block (228) is slidingly connected inside the moving groove (229); A lock groove (230) formed in the bottom plate (212) and clamped with the safety lock (226).

6. The cable laying safety protection device according to claim 4, wherein: The bottom plate (212) is provided with a baffle (231), and the end of the baffle (231) away from the fixed plate (1) is attached to the cover plate (213).

7. The cable laying safety protection device according to claim 1, wherein: A clamping member is arranged inside the cable protection cavity, and the protection assembly (3) is arranged inside the clamping member.

8. The cable deployment safety shield of claim 7, wherein, The clamping member includes: A threaded rod (214) penetrating the surface of the cavity wall of the cable protection cavity and threadedly connected with the cavity wall of the cable protection cavity; A stretching rod (216) fixed to the top end of the cavity wall of the cable protection cavity; A top clamping plate (215) is fixed to the bottom end of the stretching rod (216), and the bottom end of the threaded rod (214) is rotationally connected with the top clamping plate (215); A first spring (217) is fixed to the bottom end of the top clamping plate (215); A top arc plate (218) is fixed to the bottom end of the first spring (217); A long slot (219) is fixed to the bottom end of the cavity wall of the cable protection cavity; A reverse T-shaped plate (220) is slidingly connected inside the long slot (219); A pressing spring (222) is fixed between the long slot (219) and the reverse T-shaped plate (220); A bottom clamping plate (221) is fixed to the top end of the reverse T-shaped plate (220); A second spring (223) is fixed to the top end of the bottom clamping plate (221); A bottom arc plate (224) is fixed to the top end of the second spring (223), and the bottom arc plate (224) and the top arc plate (218) form a protection assembly clamping space.

9. The cable application safety protection device according to claim 8, wherein: The top end of the bottom arc plate (224) and the bottom end of the top arc plate (218) are both provided with a rubber layer or a sponge layer.

10. The cable deployment safety shield of claim 1, wherein, The protection assembly (3) comprises: A protection cylinder (310) is arranged inside the cable protection cavity, and a through slot (313) is formed in the inside of the protection cylinder (310); An installation slot (311) is formed in the middle of the protection cylinder (310), and the through slot (313) is located on one side of the installation slot (311); A rubber frame (312) is fixed inside the installation slot (311).

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