CN113104677A

CN113104677A - Anti-abrasion device, charging pile with same and anti-abrasion method

Info

Publication number: CN113104677A
Application number: CN202110371129.3A
Authority: CN
Inventors: 赵孝军
Original assignee: Suzhou Yungang Intelligent Technology Co ltd
Current assignee: Chongqing Huicheng Future Intelligent Electric Co ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-07-13
Anticipated expiration: 2041-04-07
Also published as: CN113104677B

Abstract

The invention discloses an anti-abrasion device, a charging pile with the same and an anti-abrasion method, and relates to the technical field of charging piles. In this application, a wear prevention device comprises: the organism sets up on the plane, and the organism includes: the interior of the box body is provided with an accommodating space; the conveying wheel is arranged inside the box body; the winding drum is arranged inside the box body; the cable is arranged in the box body and movably connected with the box body, and the cable bypasses the periphery of the conveying wheel and is connected with the winding drum; the charging gun is arranged on the outer side of the box body; the conveying device is arranged inside the box body and fixedly connected with the box body, and the conveying device is matched with the conveying wheels to drive the cables to move; the protection device is arranged in the box body and is positioned below the conveying device. The charging cable is used for solving the problems that in the prior art, a charging cable naturally falls on the ground when the charging pile is used, and the charging cable is extruded by foreign objects on the ground for a long time and rubs with the ground, so that the surface of the charging cable is abraded and falls off.

Description

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

Technical Field

The invention 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, along with the more serious urban environmental pollution problem and the improvement of environmental protection consciousness, low-carbon economy and energy-saving emission-reduction technology are rapidly developed.

Electric automobile begins to be popularized by people because of its pollution-free advantage, and the electric pile that fills is the important supporting facility that charges of basis of electric automobile. The use process and the car refueling process of filling electric pile are very similar.

The charging pile can be fixed on the ground or on the wall, is installed in public buildings (public buildings, markets, public parking lots and the like) and residential area parking lots or charging stations, and can charge various types of electric vehicles according to different voltage levels. The input and the alternating current network lug connection of filling electric pile, the output all is equipped with the head that charges and is used for charging for electric automobile.

And in the use that fills electric pile, in order to guarantee electric automobile facilitates the use, can set up longer charging cable, carrying out the charging process to electric automobile, partial charging cable generally can drop subaerial naturally, and charging cable can make charging cable's epidermis scratch wearing and tearing subaerial long-time friction, can cause the damage to charging cable, influences follow-up use.

Disclosure of Invention

The invention aims to provide an anti-abrasion device which is used for solving the problems that a charging cable naturally falls on the ground when a charging pile in the prior art is used, and the charging cable is extruded by a foreign object on the ground for a long time and rubs with the ground, so that the surface of the charging cable is abraded and falls.

Another object of the present application is to provide a charging pile.

In order to achieve the above purpose, the embodiments of the present application adopt the following technical solutions: a wear protection device comprising: the organism, this organism setting is on the plane, and this organism includes: the box body is internally provided with an accommodating space and is vertically arranged on a plane; the conveying wheels are arranged inside the box body and movably connected with the box body, and a plurality of conveying wheels are arranged; the winding drum is arranged in the box body and is positioned above the conveying wheel, and the winding drum is transversely arranged; 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 inside 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 protective device is arranged in the box body and located below the conveying device, and the protective device is connected with the cable in a matched mode.

In above-mentioned technical scheme, this application is through conveyor, protector fills electric pile and can adapt to the thing that charges of different distances when filling electric pile and use, thereby carry out length adjustment and then the thing that charges of the different distances of adaptation to inside cable through conveyor, and in order to prevent the cable at the friction of dragging on ground at the in-process that the cable was pulled out, separate between cable and the ground through protector, thereby effectively protect the cable epidermis can not receive the friction damage on ground, and service life is prolonged.

Further, in an embodiment of the present invention, the conveying device includes: the swing rod is arranged inside the box body and is movably connected with the box body; the driving rod is arranged inside the box body and is connected with the oscillating bar in a matching way; the telescopic motor is arranged inside the box body, is positioned below the driving rod and is fixedly connected with the driving rod; the limiting block is arranged inside the box body and positioned above the oscillating bar, and a space is reserved between the limiting block and the oscillating bar; the toothed plate is arranged inside 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 and positioned on the right side of the toothed plate, and the gear is in meshed connection with the toothed plate; the pressing plate is arranged inside the box body and is connected with the limiting block in a matched mode.

Furthermore, in the embodiment of the invention, two swing rods are arranged, the swing rods are connected with the conveying wheel and can rotate, and a through hole is formed in the middle of each swing rod; the drive rod penetrates through the through hole of the swing rod, a tooth groove is formed in the left side surface of the drive rod, the tooth groove of the drive rod is meshed with the gear, the limiting block is L-shaped, the short edge of the limiting block is movably connected with the pressing plate, and the long edge of the limiting block is movably connected with the toothed plate.

Further, in the embodiment of the present invention, one end of the toothed plate is movably connected to one end of the pressing plate, the surface of the pressing plate is attached to the surface of the oscillating bar, and the pressing plate controls the oscillating bar to rotate through the rotation of the toothed plate.

Further, in an embodiment of the present invention, the guard device is provided in plurality, and the guard device includes: the accommodating box is arranged inside the box body and fixedly connected with the box body; the connecting shaft is arranged inside the containing box and is in a circular ring shape; the protective ball is arranged at one end of the connecting shaft and is movably connected with the connecting shaft; the supporting frame is arranged on the periphery of the connecting shaft and 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 fixedly connected with the connecting shaft; the telescopic strip is arranged on the periphery of the connecting shaft and movably connected with the adapter plate.

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

Furthermore, in the embodiment of the present invention, the supporting frame is square, and four corners of the supporting frame are fixedly connected to four of the connecting shafts; should place the piece setting and be provided with four at the four corners inboard of this carriage.

Further, in the embodiment of the present invention, the extrusion block is configured to be arc-shaped, the radian of the extrusion block is adapted to the diameter of the cable, the extrusion block is provided with four blocks which are respectively connected with the placement block, and a space is left between the four extrusion blocks; the length of this cylinder is less than the interval that leaves between this extrusion piece, and this telescopic strip is provided with a plurality ofly, and every two this telescopic strips set up to X shape, and this telescopic strip is used for connecting a plurality of these protector.

In order to achieve the second purpose, the embodiment of the present application adopts the following technical solutions: a charging pile, wherein the anti-wear device has one of the above purposes.

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

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

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

when the cable is qualified for the next round of competitions, the protector with cable junction follows the cable and removes, the first protector with cable junction of in-process that the cable outwards removed breaks away from and holds the case, thereby in the in-process that the cable lasts outside pulling out, follow-up protector follows the cable and shifts out, the in-process telescopic bar that removes at protector following cable expandes and makes and leave the interval between each protector, protector cuts off the contact of cable and ground when the cable falls on ground and drags and move, when there is the foreign object through the cable top, the force that the foreign object applied is used in the protector, protector absorbs the force that the foreign object applied.

The invention has the beneficial effects that: firstly, the anti-abrasion device of the invention needs to stretch the cable in order to adapt to objects to be charged with different distances when the charging pile is used, redundant cable can be randomly placed on the ground after the cable is stretched, when a foreign object passes through the cable, pressure can be applied to the cable, so that the cable and the ground are rubbed to cause the abrasion of the surface of the cable, and the pulled-out part of the cable can be naturally dragged and dropped on the ground when the cable is pulled out, the cable can rub against the ground when moving, the abrasion of the surface of the cable can further cause the abrasion of the surface of the cable to influence the service life of the cable, and when the cable is extruded by external force and deformed, the circuit in the cable can be extruded and displaced for a long time, the electrifying efficiency of the cable can be deteriorated, the charging can be caused by short circuit to cause slow charging, and the spontaneous combustion between the charging pile and the objects to be charged can be caused to, the protector removes along with the cable and protects the cable periphery when the cable is pulled out, and protector can absorb external force when the cable receives external force extrusion simultaneously for the cable does not receive the deformation improvement life.

Drawings

The present application is further described below with reference to the drawings and examples.

Fig. 1 is a front view of a wear prevention device according to an embodiment of the present invention.

Fig. 2 is an internal schematic view of a wear prevention device according to an embodiment of the present invention.

Fig. 3 is a schematic view of a conveying device of a wear prevention device according to an embodiment of the present invention.

Fig. 4 is a schematic view of a protection device of a wear prevention device according to an embodiment of the present invention.

Fig. 5 is a schematic view of the deployment of a shielding device according to an embodiment of the present invention.

Fig. 6 is a schematic front view of a shield apparatus in accordance with an embodiment of the present invention in cooperation with a cable.

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

Fig. 8 is a schematic view of a protection device according to an embodiment of the present invention after being subjected to a force.

Fig. 9 is a schematic diagram of the working process of the wear prevention device according to the embodiment of the invention.

10. Body 101, case 102, cable

103. Charging gun 104, transfer 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, pressure plate

30. Protection device 301, connecting shaft 302 and protection ball

303. Roller 304, pressing block 305, and placing 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 invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "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 invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly 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 skilled in the art that the embodiments may be practiced without 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.

The first embodiment is as follows:

as shown in fig. 1, 2 and 3, the present embodiment discloses a wear prevention device, which includes: body 10, body 10 sets up on the plane, and body 10 includes: the box body 101, the interior of the box body 101 is provided with an accommodating space, and the box body 101 is vertically arranged on a plane; the conveying wheels 104 are arranged inside 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, wherein the winding drum 105 is arranged in the box body 101, the winding drum 105 is positioned above the conveying wheel 104, and the winding drum 105 is transversely arranged; the cable 102 is arranged in the box body 101, the cable 102 is movably connected with the box body 101, and the cable 102 is connected with the winding drum 105 by bypassing the periphery of the conveying wheel 104; 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 inside the box body 101, the conveying device 20 is fixedly connected with the box body 101, and the conveying device 20 is matched with the conveying wheels 104 to drive the cables 102 to move; the protection device 30 is arranged inside the box body 101, the protection device 30 is located below the conveying device 20, and the protection device 30 is connected with the cable 102 in a matched mode.

Further, in the present embodiment, the conveying device 20 includes: the oscillating bar 201 is arranged inside the box body 101, and the oscillating bar 201 is movably connected with the box body 101; the driving rod 202, the driving rod 202 is set in the box 101, the driving rod 202 is connected with the oscillating bar 201; the telescopic motor 203 is arranged inside the box body 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 inside the box body 101, the limiting block 204 is positioned above the oscillating rod 201, and a space is reserved between the limiting block 204 and the oscillating rod 201; the toothed plate 205 is arranged inside the box body 101, the toothed plate 205 is vertically arranged on the left side of the driving rod 202, and the toothed plate 205 is movably connected with the limit block 204; the gear 206 is arranged inside the box body 101, the gear 206 is positioned at the right side of the toothed plate 205, and the gear 206 is in meshed connection with the toothed plate 205; the pressing plate 207 is arranged inside the box body 101, and the pressing plate 207 is connected with the limiting block 204 in a matching mode.

Further, in the embodiment of the present invention, two swing rods 201 are provided, the swing rods 201 are connected with the conveying wheel 104, the swing rods 201 are configured to be rotatable, and a through hole is formed in the middle of the swing rods 201; the driving rod 202 penetrates through a through hole of the swing rod 201, a tooth groove is formed in the left side surface of the driving rod 202, the tooth groove of the driving rod 202 is meshed with the gear 206, the limiting block 204 is L-shaped, the short side of the limiting block 204 is movably connected with the pressing plate 207, and the long side of the limiting block 204 is movably connected with the toothed plate 205.

Further, in the embodiment of the present invention, one end of the toothed plate 205 is movably connected to one end of the pressing plate 207, a surface of the pressing plate 207 is attached to a surface of the oscillating bar 201, and the pressing plate 207 controls the oscillating bar 201 to rotate through rotation of the toothed plate 205. By adjusting the cable 102 by the conveying device 20 when being pulled out so as to increase the pulled-out length of the cable 102, changing the cable 102 to be laterally placed when the cable 102 does not need to be pulled out improves the accommodability of the cable 102.

Further, in the present embodiment, the guard device 30 is provided in plurality, and the guard device 30 includes: the accommodating box 309 is arranged inside the box body 101, and the accommodating box 309 is fixedly connected with the box body 101; the connecting shaft 301, the connecting shaft 301 is arranged in the containing box 309, and the connecting shaft 301 is arranged in a ring shape; the protective ball 302 is arranged at one end of the connecting shaft 301, and the protective ball 302 is movably connected with the connecting shaft 301; the supporting frame 308 is arranged on the periphery of the connecting shaft 301, and the supporting frame 308 is fixedly connected with the connecting shaft 301; the roller 303 is arranged on the periphery of the supporting frame 308, and the roller 303 is movably connected with the supporting frame 308; the placing block 305 is arranged on one side of the supporting frame 308, and the placing block 305 is fixedly connected with the supporting frame 308; the spring 306 is arranged on one side of the placing block 305, and the spring 306 is fixedly connected with the placing block 305; the pressing block 304 is arranged on one side of the spring 306, and the pressing block 304 is fixedly connected with the spring 306; the adapter plate 3010 is arranged on the periphery of the connecting shaft 301, and the adapter plate 3010 is fixedly connected with the connecting shaft 301; the telescopic bar 307 is arranged on the periphery of the connecting shaft 301, and the telescopic bar 307 is movably connected with the adapter plate 3010.

Further, in the embodiment of the present invention, eight connecting shafts 301 are provided, the connecting shafts 301 are circular with radian, and the connecting shafts 301 are arranged at one time to form a circle; eight protective balls 302 are arranged, the protective balls 302 are arranged between the connecting shafts 301 in a staggered mode, and the protective balls 302 and the connecting shafts 301 form a complete circle.

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

Further, in the embodiment of the present invention, the extrusion blocks 304 are configured to be arc-shaped, the radian of the extrusion blocks 304 is adapted to the diameter of the cable 102, four extrusion blocks 304 are provided and connected to the placement block 305, respectively, and a space is left between the four extrusion blocks 304; the length of the roller 303 is smaller than the distance 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 prevents the unnecessary cable 102 from naturally falling on the surface skin of the ground cable 102 to rub against the ground to cause abrasion 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 to reduce the deformation of the cable 102, and the service life of the cable 102 is prolonged.

In above-mentioned technical scheme, this application passes through conveyor 20, protector 30 fills electric pile can adapt to the thing of waiting to charge of different distances when filling electric pile use, thereby carry out length adjustment and then the thing of waiting to charge of the different distances of adaptation to inside cable 102 through conveyor 20, and in order to prevent that cable 102 from dragging friction on ground at the in-process that cable 102 pulled out, separate between cable 102 and the ground through protector 30, thereby effectively protect cable 102 epidermis can not receive the frictional damage on ground, and service life is prolonged.

Example two:

a charging pile, wherein, fills electric pile and has the wear prevention device of above-mentioned embodiment one.

Example three:

as in the first embodiment, as shown in the figure, the connection shaft 301 is made of a flexible material, the support frame 308 is made of a deformable material, the connection shaft 301, the protection ball 302, and the support frame 308 are firstly extruded by an external force to be contracted inward after the protection device 30 is subjected to the external force, the roller 303 and the extrusion block 304 are close to the periphery of the cable 102 when the support frame 308 is contracted inward, the cable 102 is protected to prevent the cable 102 from deforming to cause displacement extrusion of an internal line when the cable 102 is stressed, and the support frame 308 can keep the shape unchanged after the deformation generated after the support frame 308 is subjected to the external pressure reaches the deformation limit of the support frame 308, so that the cable 102 cannot be damaged, and the support frame 308 can be used to absorb the applied force to ensure that the cable 102 cannot be worn during use, thereby reducing the electric leakage caused by the peeling of the cable 102. But set up to swivelling joint between telescopic bar 307 and keysets 3010, telescopic bar 307 cable 102 can form the natural flagging arc when cable 102 and the thing of waiting to charge use and pass through telescopic bar 307 can prevent that the whole rigidity of protector 30 can't make the adjustment to the arc of cable 102, prevents that protector 30 can not adapt to the arc of cable 102 after a plurality of connections, reduces convenient to use nature.

Example four:

finally, as shown in fig. 9, there is provided a method for preventing wear of a wear prevention 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, taking out the charging gun 103, pulling the cable 102, and pulling the cable 102 out of the box body 101 in order to adapt to the possibility that a long distance exists 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 starts to push the driving rod 202 to move, the driving rod 202 drives the gear 206 to rotate, the gear 206 drives the toothed plate 205 to move up and down, and the extrusion block 304 is driven to rotate in the moving process of the toothed plate 205, so that the oscillating rod 201 rotates left and right to adjust the outgoing line length of the cable 102;

when the cable 102 is outgoing, the protective device 30 connected with the cable 102 moves along with the cable 102, the protective device 30 connected with the cable 102 firstly breaks away from the accommodating box 309 in the process that the cable 102 moves outwards, so that the subsequent protective device 30 moves out along with the cable 102 in the process that the cable 102 is continuously pulled outwards, the telescopic strip 307 is unfolded in the process that the protective device 30 moves along with the cable 102 to enable a space to be reserved between the protective devices 30, the protective device 30 cuts off the contact between the cable 102 and the ground when the cable 102 falls on the ground and is dragged, when a foreign object passes over the cable 102, the force applied by the foreign object acts on the protective device 30, and the protective device 30 absorbs the force applied by the foreign object.

The anti-abrasion device provided by the invention has the advantages that when the charging pile is used, the cable 102 needs to be stretched to adapt to objects to be charged at different distances, redundant cable 102 can be randomly placed on the ground after the cable 102 is stretched, when a foreign object passes through the anti-abrasion device, pressure can be applied to the cable 102, the cable 102 and the ground can be rubbed to cause abrasion of the surface of the cable 102, the pulled-out part of the cable 102 can be naturally dragged and dropped on the ground when the cable 102 is pulled out, the cable 102 can rub against the ground when moving, the service life of the cable 102 is influenced by the abrasion of the surface of the cable 102, and when the cable 102 is deformed by external force, the circuit in the cable 102 can be extruded and displaced for a long time, the electrifying efficiency of the cable 102 is deteriorated, the charging is slow due to short circuit, and in serious cases, spontaneous combustion can be caused between the charging pile and the objects to be charged, and irre, through the anti-abrasion device, when the cable 102 is pulled out, the protection device 30 moves along with the cable 102 to protect the periphery of the cable 102, and meanwhile, when the cable 102 is extruded by external force, the protection device 30 can absorb the external force, so that the cable 102 is not deformed, and the service life is prolonged.

Although the illustrative embodiments of the present application have been described above to enable those skilled in the art to understand the present application, the present application is not limited to the scope of the embodiments, and various modifications within the spirit and scope of the present application defined and determined by the appended claims will be apparent to those skilled in the art from this disclosure.

Claims

1. A wear protection device comprising:

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

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

the cable is arranged in the box body and movably connected with the box body, and the cable bypasses the periphery of the conveying wheel and is 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 inside the box body and fixedly connected with the box body, and the conveying device is matched with the conveying wheels to drive the cables to move;

the protective device is arranged in the box body and located below the conveying device, and the protective device is connected with the cable in a matched mode.

2. A wear prevention device according to claim 1, wherein the transport means comprises:

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

the driving rod is arranged inside the box body and is connected with the oscillating bar in a matching way;

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

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

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

3. The wear prevention device of claim 2, wherein there are two swing rods, the swing rods are connected with the conveying wheel and are arranged to rotate, and a through hole is formed in the middle of each swing rod;

the actuating lever passes the through-hole of pendulum rod, the left side surface of actuating lever is provided with the tooth's socket, the tooth's socket of actuating lever 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 wear prevention device of claim 3, wherein one end of the toothed plate is movably connected to one end of the pressure plate, a surface of the pressure plate is attached to a surface of the swing link, and the rotation of the toothed plate controls the swing link to rotate.

5. A wear prevention device according to claim 1, wherein a plurality of said guards are provided, said guards including:

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

the connecting shaft is arranged inside the containing box and is in a circular ring shape;

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

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

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

6. The wear prevention device of claim 5, wherein eight of the connecting shafts are provided, the connecting shafts are circular with an arc shape, and the connecting shafts are arranged at a time to form a circle;

the protective balls are arranged in eight, 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.

7. The wear prevention device of claim 6, wherein the support frame is square, and four corners of the support frame are fixedly connected to four of the connecting shafts;

the placing blocks are arranged on the inner sides of the four corners of the supporting frame, and the number of the placing blocks is four.

8. The wear prevention device of claim 7, wherein the extrusion blocks are arranged in an arc shape, the arc degree of the extrusion blocks is matched with the diameter of the cable, the extrusion blocks are provided with four blocks which are respectively connected with the placing blocks, and a space is reserved between the four extrusion blocks;

the length of cylinder is less than the interval that leaves between the extrusion piece, the telescopic strip is provided with a plurality ofly, every two the telescopic strip sets up to X shape, the telescopic strip is used for connecting a plurality ofly protector.

9. A charging post having a wear protection arrangement as claimed in any one of claims 1 to 8.

10. A method of wear protection of a wear protection device, comprising the steps of: