CN113104677B

CN113104677B - Anti-wear device, charging pile with same and anti-wear method

Info

Publication number: CN113104677B
Application number: CN202110371129.3A
Authority: CN
Inventors: 赵孝军
Original assignee: Chongqing Huicheng Future Intelligent Electric Co ltd
Current assignee: Chongqing Huicheng Future Intelligent Electric Co ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2023-09-01
Anticipated expiration: 2041-04-07
Also published as: CN113104677A

Abstract

The application discloses an anti-wear device, a charging pile with the same and an anti-wear method, and relates to the technical field of charging piles. In the present application, an anti-wear device comprises: the organism sets up on the plane, and the organism includes: an accommodating space is arranged in the box body; the conveying wheel is arranged in the box body; the winding drum is arranged in the box body; the cable is arranged in the box body, is movably connected with the box body, and bypasses the periphery of the conveying wheel to be connected with the winding drum; the charging gun is arranged at the outer side of the box body; the conveying device is arranged in the box body and is fixedly connected with the box body, and the conveying device is matched with the conveying wheel to drive the cable to move; the protector sets up in the inside of box, and protector is located conveyor's below. The application is used for solving the problem that in the prior art, when the charging pile is used, a charging cable can naturally drop on the ground, and the charging cable can be extruded by foreign objects on the ground for a long time to rub with the ground, so that the surface of the charging cable is abraded and drops.

Description

Anti-wear device, charging pile with same and anti-wear method

Technical Field

The application relates to the technical field of charging piles, in particular to an anti-abrasion device, a charging pile with the same and an anti-abrasion method.

Background

In recent years, with the increasing severity of urban environmental pollution and the increasing awareness of environmental protection, low-carbon economy and energy-saving and emission-reduction technologies are rapidly developed.

Because of the pollution-free advantage of the electric automobile, the electric automobile is popularized by people, and the charging pile is an important basic matched charging facility of the electric automobile. The use process of the charging pile is quite similar to the automobile refueling process.

The charging pile can be fixed on the ground or a wall, is installed in public buildings (public buildings, markets, public parking lots and the like) and residential district parking lots or charging stations, and can charge electric vehicles of various types according to different voltage levels. The input end of the charging pile is directly connected with an alternating current power grid, and the output end of the charging pile is provided with a charging head for charging the electric automobile.

In order to ensure that the electric automobile is convenient to use, the charging pile is provided with a longer charging cable, part of the charging cable generally falls on the ground naturally in the charging process of the electric automobile, and the charging cable rubs and wears the surface of the charging cable on the ground for a long time by friction, so that the charging cable is damaged, and the subsequent use is affected.

Disclosure of Invention

The application aims to provide an anti-abrasion device which is used for solving the problem that in the prior art, when a charging pile is used, a charging cable naturally falls on the ground, and the charging cable can be extruded by foreign objects on the ground for a long time to rub with the ground so as to cause the abrasion and falling of the surface of the charging cable.

The second objective of the present application is to provide a charging pile.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical scheme: a wear protection device comprising: organism, this organism sets up on the plane, and this organism includes: the box body is vertically arranged on a plane; the conveying wheels are arranged in the box body and are movably connected with the box body, and a plurality of conveying wheels are arranged; the winding drum is arranged in the box body, is positioned above the conveying wheel and is transversely placed; the cable is arranged in the box body, is movably connected with the box body, and bypasses the periphery of the conveying wheel to be connected with the winding drum; the charging gun is arranged on the outer side of the box body, one end of the charging gun is connected with the cable, and the charging gun is movably connected with the box body; the conveying device is arranged in the box body and fixedly connected with the box body, and the conveying device is matched with the conveying wheel to drive the cable to move; the protection device is arranged in the box body, is positioned below the conveying device and is connected with the cable in a matched mode.

According to the technical scheme, the charging pile can adapt to objects to be charged with different distances through the conveying device and the protecting device when the charging pile is used, so that the length of the internal cable is adjusted through the conveying device to adapt to the objects to be charged with different distances, in order to prevent the cable from dragging and rubbing on the ground in the process of pulling out the cable, the protecting device is used for separating the cable from the ground, and therefore the cable skin is effectively protected from being damaged by the friction of the ground, and the service life is prolonged.

Further, in an embodiment of the present application, the conveying apparatus includes: the swing rod is arranged in the box body and is movably connected with the box body; the driving rod is arranged in the box body and is connected with the swing rod in a matching way; the telescopic motor is arranged in the box body, is positioned below the driving rod and is fixedly connected with the driving rod; the limiting block is arranged in the box body, is positioned above the swing rod, and is spaced from the swing rod; the toothed plate is arranged in the box body, is vertically arranged on the left side of the driving rod and is movably connected with the limiting block; the gear is arranged in the box body, is positioned on the right side of the toothed plate and is in meshed connection with the toothed plate; the pressing plate is arranged in the box body and is connected with the limiting block in a matched mode.

Further, in the embodiment of the application, two swing rods are arranged, the swing rods are connected with the conveying wheel, the swing rods are rotatable, and a through hole is formed in the middle of each swing rod; the driving rod passes through the through hole of the swing rod, a tooth slot is arranged on the left side surface of the driving rod, the tooth slot of the driving rod is meshed with the gear, the limiting block is L-shaped, the short side of the limiting block is movably connected with the pressing plate, and the long side of the limiting block is movably connected with the toothed plate.

Further, in the embodiment of the application, one end of the toothed plate is movably connected with one end of the pressing plate, the surface of the pressing plate is attached to the surface of the swinging rod, and the pressing plate controls the swinging rod to rotate through the rotation of the toothed plate.

Further, in an embodiment of the present application, the guard device is provided in plurality, and the guard device includes: the accommodating box is arranged in the box body and is fixedly connected with the box body; the connecting shaft is arranged in the accommodating box and is in a circular shape; the protective ball is arranged at one end of the connecting shaft and is movably connected with the connecting shaft; the support frame is arranged on the periphery of the connecting shaft and is fixedly connected with the connecting shaft; the roller is arranged on the periphery of the supporting frame and is movably connected with the supporting frame; the placing block is arranged on one side of the supporting frame and is fixedly connected with the supporting frame; the spring is arranged on one side of the placing block and is fixedly connected with the placing block; the extrusion block is arranged on one side of the spring and is fixedly connected with the spring; the adapter plate is arranged on the periphery of the connecting shaft and is fixedly connected with the connecting shaft; the telescopic strip is arranged on the periphery of the connecting shaft and is movably connected with the adapter plate.

Further, in the embodiment of the application, eight connecting shafts are arranged, the connecting shafts are in a circular ring shape with radian, and the connecting shafts are arranged at one time to form a circle; eight protective balls are arranged, the protective balls are arranged between the connecting shafts in a staggered mode, and the protective balls and the connecting shafts form a complete circle.

Further, in the embodiment of the application, the supporting frame is square, and four corners of the supporting frame are fixedly connected with four connecting shafts; the placing blocks are arranged on the inner sides of four corners of the supporting frame, and four placing blocks are arranged.

Further, in the embodiment of the application, the extrusion block is arranged in an arc shape, the radian of the extrusion block is matched with the diameter of the cable, the extrusion block is provided with four blocks which are respectively connected with the placement block, and spaces are reserved among the four extrusion blocks; the length of the roller is smaller than the interval left between the extrusion blocks, a plurality of telescopic strips are arranged, every two telescopic strips are arranged in an X shape, and the telescopic strips are used for connecting a plurality of protection devices.

In order to achieve the second objective, the following technical scheme is adopted in the embodiment of the application: a charging pile in which a wear protection device having one of the above objects is provided.

The embodiment of the application also discloses an anti-wear method of the anti-wear device, which comprises the following steps:

the method comprises the steps of moving an object to be charged to the front of a box body, taking out a charging gun, inserting the charging gun into a charging port of the object to be charged, and pulling a cable after taking out the charging gun in order to adapt to the fact that a long distance possibly exists between the object to be charged and the box body, and pulling the cable out of the box body;

when the cable is pulled, the telescopic motor of the conveying device starts to push the driving rod to move, the driving rod drives the gear to rotate, the toothed plate is driven by the gear to move up and down, the pressing plate is driven to rotate in the moving process of the toothed plate, and therefore the swinging rod rotates left and right to adjust the outgoing line length of the cable;

when the cable is out of line, the protection device connected with the cable moves along with the cable, the first protection device connected with the cable in the outward moving process of the cable is separated from the accommodating box, so that the subsequent protection device moves out along with the cable in the continuous outward pulling process of the cable, the telescopic strips are unfolded in the moving process of the protection device along with the cable, gaps are reserved between the protection devices, the protection device cuts off the contact between the cable and the ground when the cable falls on the ground to be dragged, and when a foreign object passes over the cable, the force exerted by the foreign object acts on the protection device, and the protection device absorbs the force exerted by the foreign object.

The application has the beneficial effects that: firstly, the wear-resistant device disclosed by the application is used for stretching a cable to be charged in order to adapt to different distances when the charging pile is used, the redundant cable can be randomly placed on the ground after the cable is stretched, pressure can be applied to the cable when an external object passes through the cable, so that the cable skin is worn out due to friction between the cable and the ground, the pulled-out part of the cable can naturally drag and drop on the ground when the cable is pulled out, friction can be generated between the cable and the ground when the cable moves, the service life of the cable is further influenced due to the abrasion of the cable skin, the cable can deform after the cable is extruded by external force, the circuit inside the cable can be extruded and displaced for a long time, the power-on efficiency of the cable is poor, the charging is slow due to short circuit, spontaneous combustion can be generated between the charging pile and the object to be charged, the irreparable loss is caused, and the wear-resistant device can absorb the external force when the cable is extruded by external force along with the cable when the cable is pulled out, so that the cable is not deformed, and the service life is prolonged.

Drawings

The application will be further described with reference to the drawings and examples.

Fig. 1 is a front view of an embodiment wear protection device of the present application.

Fig. 2 is an internal schematic view of an abrasion protection device according to an embodiment of the present application.

Fig. 3 is a schematic view of a conveyor apparatus for an abrasion protection device according to an embodiment of the present application.

Fig. 4 is a schematic view of a guard of an abrasion prevention device according to an embodiment of the present application.

Fig. 5 is an expanded view of the protective device according to the embodiment of the present application.

Fig. 6 is a schematic front view of the shield apparatus of the present application mated with a cable.

Fig. 7 is a schematic front view of the protective device and the cable according to the embodiment of the present application after use.

FIG. 8 is a schematic view of the protective device according to the embodiment of the application after being stressed.

Fig. 9 is a schematic view of the operation of the wear protection device according to the embodiment of the present application.

10. Organism 101, box 102, cable

103. Charging gun 104, conveying wheel 105 and winding drum

20. Conveying device 201, swing rod 202 and driving rod

203. Telescopic motor 204, limiting block 205 and toothed plate

206. Gear 207, platen

30. Protective device 301, connecting shaft 302 and protective ball

303. Roller 304, squeeze block 305, placement block

306. Spring 307, telescopic bar 308 and support frame

309. Accommodating box 3010 and adapter plate

Detailed Description

In order to make the objects, technical solutions, and advantages of the present application more apparent, the embodiments of the present application will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present application, are intended to be illustrative only and not limiting of the embodiments of the present application, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present application.

In the description of the present application, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Embodiment one:

as shown in fig. 1, 2 and 3, this embodiment discloses an anti-wear device, which includes: the organism 10, organism 10 sets up on the plane, organism 10 includes: the box body 101, wherein an accommodating space is arranged in the box body 101, and the box body 101 is vertically arranged on a plane; the conveying wheels 104, the conveying wheels 104 are arranged in the box body 101, the conveying wheels 104 are movably connected with the box body 101, and a plurality of conveying wheels 104 are arranged; a winding drum 105, the winding drum 105 is arranged in the box 101, the winding drum 105 is positioned above the conveying wheel 104, and the winding drum 105 is transversely arranged; the cable 102, the cable 102 is arranged in the box 101, the cable 102 is movably connected with the box 101, and the cable 102 bypasses the periphery of the conveying wheel 104 and is connected with the winding drum 105; the charging gun 103, the charging gun 103 is arranged on the outer side of the box body 101, one end of the charging gun 103 is connected with the cable 102, and the charging gun 103 is movably connected with the box body 101; the conveying device 20 is arranged in the box body 101, the conveying device 20 is fixedly connected with the box body 101, and the conveying device 20 and the conveying wheel 104 are matched to drive the cable 102 to move; the protector 30, protector 30 sets up in the inside of box 101, and protector 30 is located the below of conveyor 20, and protector 30 and cable 102 cooperation are connected.

Further, in the embodiment of the present application, the conveying device 20 includes: the swing rod 201 is arranged in the box body 101, and the swing rod 201 is movably connected with the box body 101; the driving rod 202 is arranged in the box body 101, and the driving rod 202 is connected with the swing rod 201 in a matching way; the telescopic motor 203, the telescopic motor 203 is arranged in the box 101, the telescopic motor 203 is positioned below the driving rod 202, and the telescopic motor 203 is fixedly connected with the driving rod 202; the limiting block 204 is arranged in the box body 101, the limiting block 204 is positioned above the swing rod 201, and a space is reserved between the limiting block 204 and the swing rod 201; the toothed plate 205 is arranged in the box body 101, the toothed plate 205 is vertically arranged at the left side of the driving rod 202, and the toothed plate 205 is movably connected with the limiting block 204; the gear 206, the gear 206 is arranged in the box 101, the gear 206 is positioned on the right side of the toothed plate 205, and the gear 206 is in meshed connection with the toothed plate 205; the clamp plate 207, clamp plate 207 sets up in the inside of box 101, and clamp plate 207 is connected with stopper 204 cooperation.

Further, in the embodiment of the application, two swing rods 201 are provided, the swing rods 201 are connected with the conveying wheel 104, the swing rods 201 are rotatable, and a through hole is formed in the middle of the swing rods 201; the actuating lever 202 passes the through-hole of pendulum rod 201, and the left side surface of actuating lever 202 is provided with the tooth's socket, and the tooth's socket of actuating lever 202 meshes with gear 206, and stopper 204 sets up to the L shape, and the minor face and the clamp plate 207 swing joint of stopper 204, the long limit and pinion rack 205 swing joint of stopper 204.

Further, in the embodiment of the present application, one end of the toothed plate 205 is movably connected with one end of the pressing plate 207, the surface of the pressing plate 207 is attached to the surface of the swing rod 201, and the pressing plate 207 controls the swing rod 201 to rotate through the rotation of the toothed plate 205. By adjusting the cable 102 by the conveyor 20 when pulled outwardly to increase the pull-out length of the cable 102, changing the cable 102 to a lateral placement when the cable 102 does not need to be pulled out increases the accommodability of the cable 102.

Further, in the embodiment of the present application, the guard 30 is provided in plurality, and the guard 30 includes: the accommodating box 309, the accommodating box 309 is arranged in the box body 101, and the accommodating box 309 is fixedly connected with the box body 101; a coupling 301, the coupling 301 being disposed inside the accommodation box 309, the coupling 301 being disposed in a circular shape; the protective ball 302, the protective ball 302 is set up in one end of the connecting shaft 301, the protective ball 302 is connected with connecting shaft 301 movably; the supporting frame 308, the supporting frame 308 is set up in the periphery of the connecting axle 301, the supporting frame 308 is fixedly connected with connecting axle 301; the roller 303, the roller 303 is set up in the periphery of the supporting frame 308, the roller 303 is connected with supporting frame 308 movably; the placement block 305, the placement block 305 is arranged on one side of the supporting frame 308, and the placement block 305 is fixedly connected with the supporting frame 308; the spring 306, the spring 306 is set up in one side to place the piece 305, the spring 306 is fixedly connected with placing the piece 305; the extrusion block 304 is arranged on one side of the spring 306, and the extrusion block 304 is fixedly connected with the spring 306; the adapter plate 3010, the adapter plate 3010 is arranged at the periphery of the connecting shaft 301, and the adapter plate 3010 is fixedly connected with the connecting shaft 301; the telescopic strip 307, telescopic strip 307 sets up in the periphery of connecting axle 301, telescopic strip 307 and adapter plate 3010 swing joint.

Further, in the embodiment of the present application, eight connecting shafts 301 are provided, the connecting shafts 301 are in a circular ring shape with radian, and the connecting shafts 301 are arranged once to form a circle; the number of the protective balls 302 is eight, the protective balls 302 are arranged between the connecting shafts 301 in a staggered way, and the protective balls 302 and the connecting shafts 301 form a complete circle.

Further, in the embodiment of the present application, the supporting frame 308 is provided with a square shape, and four corners of the supporting frame 308 are fixedly connected with four connecting shafts 301; the placement blocks 305 are provided inside four corners of the support frame 308, and the placement blocks 305 are provided with four.

Further, in the embodiment of the present application, the extrusion block 304 is configured as an arc, the radian of the extrusion block 304 is adapted to the diameter of the cable 102, the extrusion block 304 is provided with four extrusion blocks respectively connected with the placement block 305, and a space is left between the four extrusion blocks 304; the length of the roller 303 is smaller than the space left between the extrusion blocks 304, a plurality of telescopic bars 307 are arranged, every two telescopic bars 307 are arranged in an X shape, and the telescopic bars 307 are used for connecting a plurality of protection devices 30. The protection device 30 is used for preventing the redundant cable 102 from being naturally dropped on the surface skin of the ground cable 102 to be abraded due to friction between the surface skin and the ground when the cable 102 is pulled out, the protection device 30 is used for separating the cable 102 from the ground, so that the abrasion degree of the surface skin of the cable 102 is reduced, the protection device 30 can protect the cable 102 when the cable 102 is extruded by external force, the deformation of the cable 102 is reduced, and the service life of the cable 102 is prolonged.

In the technical scheme, the charging pile can adapt to objects to be charged with different distances through the conveying device 20 and the protecting device 30 when the charging pile is used, so that the length of the internal cable 102 is adjusted through the conveying device 20 to adapt to the objects to be charged with different distances, and in the process of pulling out the cable 102, in order to prevent the cable 102 from dragging and rubbing on the ground, the protecting device 30 separates the cable 102 from the ground, thereby effectively protecting the surface of the cable 102 from being damaged by the friction of the ground and prolonging the service life.

Embodiment two:

a charging pile, wherein the charging pile has the wear-preventing device of the first embodiment.

Embodiment III:

as shown in the figure, the cable 102 is protected from deformation when the cable 102 is stressed to cause displacement extrusion of an internal circuit, and the shape of the supporting frame 308 is unchanged after the deformation of the supporting frame 308 after the external pressure is applied to the supporting frame 308 reaches the deformation limit of the supporting frame 308, so that the cable 102 is not damaged, the applied force can be absorbed by the supporting frame 308 to ensure that the cable 102 is not worn when the cable 102 is used, and the leakage phenomenon caused by the falling of the surface of the cable 102 is reduced. The telescopic strip 307 and the adapter plate 3010 are rotatably connected, when the cable 102 and the object to be charged are used, the cable 102 can form a naturally drooping arc, the telescopic strip 307 can prevent the whole of the protection device 30 from being stiff and not being capable of adjusting the arc of the cable 102, the protection device 30 cannot adapt to the arc of the cable 102 after being connected, and the use convenience is reduced.

Embodiment four:

as shown in fig. 9, finally, there is provided an anti-wear method of an anti-wear device, comprising the steps of:

moving the object to be charged to the front of the box body 101, taking out the charging gun 103, inserting the charging gun 103 into a charging port of the object to be charged, and pulling the cable 102 after taking out the charging gun 103 to pull the cable 102 out of the box body 101 in order to adapt to the possible long distance between the object to be charged and the box body 101;

when the cable 102 is pulled, the telescopic motor 203 of the conveying device 20 is started to push the driving rod 202 to move, the driving rod 202 drives the gear 206 to rotate, the toothed plate 205 is driven by the gear 206 to move up and down, the extrusion block 304 is driven to rotate in the moving process of the toothed plate 205, and therefore the swing rod 201 rotates left and right to adjust the outgoing line length of the cable 102;

while the cable 102 is being led out, the guard 30 connected to the cable 102 moves along with the cable 102, the first guard 30 connected to the cable 102 is separated from the accommodating box 309 during the outward movement of the cable 102, so that the following guard 30 moves out along with the cable 102 during the continuous outward pulling of the cable 102, the telescopic bars 307 are spread out during the movement of the guard 30 along with the cable 102, so that a space is left between the respective guards 30, the guard 30 cuts off the contact between the cable 102 and the ground when the cable 102 falls on the ground and drags, and when a foreign object passes over the cable 102, the force exerted by the foreign object acts on the guard 30, and the guard 30 absorbs the force exerted by the foreign object.

According to the anti-wear device, when the charging pile is used, in order to adapt to the to-be-charged objects with different distances, the cable 102 needs to be stretched, redundant cable 102 can be placed on the ground at will after the cable 102 is stretched, when external objects pass through, pressure can be applied to the cable 102, so that the cable 102 rubs against the ground to cause abrasion of the cable skin, when the cable 102 is pulled out, the pulled-out part of the cable 102 can naturally drag and drop on the ground, friction can be generated between the cable 102 and the ground, the abrasion of the cable 102 skin can be caused to influence the service life of the cable 102, the cable 102 can deform after the cable 102 is extruded by external force, the circuit inside the cable 102 can be extruded and displaced for a long time, the power-on efficiency of the cable 102 is poor, the short circuit can be caused to slow the charging, and the self-combustion can be caused between the charging pile and the to-be-charged objects seriously, the anti-wear device 30 can move along with the cable 102 to protect the periphery of the cable 102, and meanwhile, when the cable 102 is extruded by the anti-wear device, the anti-wear device 30 absorbs the external force when the cable 102 is extruded by external force, the cable 102, so that the service life of the cable 102 is not deformed.

While the foregoing describes illustrative embodiments of the present application so that those skilled in the art may understand the present application, the present application is not limited to the specific embodiments, and all applications and creations utilizing the inventive concepts are within the scope of the present application as long as the modifications are within the spirit and scope of the present application as defined and defined in the appended claims to those skilled in the art.

Claims

1. A wear protection device comprising:

organism, the organism sets up on the plane, the organism includes:

the box body is internally provided with an accommodating space and is vertically arranged on a plane;

the conveying wheels are arranged in the box body and are movably connected with the box body, and a plurality of conveying wheels are arranged;

the winding drum is arranged in the box body, is positioned above the conveying wheel and is transversely placed;

the cable is arranged in the box body, is movably connected with the box body, and bypasses the periphery of the conveying wheel to be connected with the winding drum;

the charging gun is arranged on the outer side of the box body, one end of the charging gun is connected with the cable, and the charging gun is movably connected with the box body;

the conveying device is arranged in the box body and fixedly connected with the box body, and the conveying device is matched with the conveying wheel to drive the cable to move;

the protection device is arranged in the box body, is positioned below the conveying device and is connected with the cable in a matched mode;

the accommodating box is arranged in the box body and is fixedly connected with the box body;

the guard is provided with a plurality of, the guard includes:

the connecting shaft is arranged in the accommodating box and is in a circular shape;

the protective ball is arranged at one end of the connecting shaft and is movably connected with the connecting shaft;

the support frame is arranged on the periphery of the connecting shaft and is fixedly connected with the connecting shaft;

the roller is arranged on the periphery of the supporting frame and is movably connected with the supporting frame;

the placing block is arranged on one side of the supporting frame and is fixedly connected with the supporting frame;

the spring is arranged on one side of the placing block and is fixedly connected with the placing block;

the extrusion block is arranged on one side of the spring and is fixedly connected with the spring;

the adapter plate is arranged on the periphery of the connecting shaft and is fixedly connected with the connecting shaft;

the telescopic strip is arranged on the periphery of the connecting shaft and is movably connected with the adapter plate;

eight connecting shafts are arranged, each connecting shaft is in a circular ring shape with radian, and the connecting shafts are arranged at one time to form a circle;

eight protective balls are arranged, the protective balls are arranged between the connecting shafts in a staggered mode, and the protective balls and the connecting shafts form a complete circle;

the supporting frame is square, and four corners of the supporting frame are fixedly connected with four connecting shafts;

the placing blocks are arranged on the inner sides of four corners of the supporting frame, and the placing blocks are four;

the extruding blocks are arranged in an arc shape, the radian of each extruding block is matched with the diameter of the cable, the extruding blocks are provided with four extruding blocks which are respectively connected with the placing blocks, and spaces are reserved among the four extruding blocks;

the length of the roller is smaller than the space left between the extrusion blocks, a plurality of telescopic strips are arranged, each two telescopic strips are arranged in an X shape, and the telescopic strips are used for connecting a plurality of protection devices;

the connecting shaft is made of flexible materials, the supporting frame is made of deformable materials, the connecting shaft, the protective ball and the supporting frame are extruded by external force to shrink inwards after the protective device is subjected to external force, and the roller and the extrusion block lean against the periphery of the cable when the supporting frame shrinks inwards; the telescopic strip is rotatably connected with the adapter plate.

2. The wear protection device of claim 1, wherein the conveying means comprises:

the swing rod is arranged in the box body and is movably connected with the box body;

the driving rod is arranged in the box body and is connected with the swing rod in a matching way;

the telescopic motor is arranged in the box body, is positioned below the driving rod and is fixedly connected with the driving rod;

the limiting block is arranged in the box body and is positioned above the swing rod, and a space is reserved between the limiting block and the swing rod;

the toothed plate is arranged in the box body, is vertically arranged on the left side of the driving rod and is movably connected with the limiting block;

the gear is arranged in the box body, is positioned on the right side of the toothed plate and is in meshed connection with the toothed plate;

the pressing plate is arranged in the box body and is connected with the limiting block in a matched mode.

3. The anti-wear device according to claim 2, wherein two swing rods are provided, the swing rods are connected with the conveying wheel, the swing rods are rotatable, and a through hole is formed in the middle of each swing rod;

the driving rod passes through the through hole of pendulum rod, the left side surface of driving rod is provided with the tooth's socket, the tooth's socket of driving rod with the gear meshes mutually, the stopper sets up to L shape, the minor face of stopper with clamp plate swing joint, the long limit of stopper with pinion rack swing joint.

4. The anti-wear device according to claim 3, wherein one end of the toothed plate is movably connected with one end of the pressing plate, the surface of the pressing plate is attached to the surface of the swing rod, and the pressing plate controls the swing rod to rotate through rotation of the toothed plate.

5. A charging pile, wherein the charging pile has a wear protection device according to any one of the preceding claims 1-4.

6. The wear prevention method of the wear prevention device of claim 1, comprising the steps of: