CN210652740U

CN210652740U - Fill electric pile, patrol and examine car and system of patrolling and examining

Info

Publication number: CN210652740U
Application number: CN201921495662.5U
Authority: CN
Inventors: 翟德华; 李栋庆; 崔耿; 肖雪峰; 牛乃平; 张志峰
Original assignee: Shanxi Zhongke Intelligent Control Technology Research Institute Co ltd
Current assignee: Shanxi Zhongke Intelligent Control Technology Research Institute Co ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-06-02
Anticipated expiration: 2029-09-10

Abstract

The utility model discloses a fill electric pile, patrol and examine car and system of patrolling and examining. Fill electric pile includes: support frame and socket, the socket includes: socket body, socket mounting panel, flip and flip actuating mechanism that can overturn from top to bottom. The patrol car comprises: the device comprises a support plate, a traveling mechanism, a traveling driving mechanism, a battery and a plug matched with a socket. The quantity of plug is two, is located respectively the both ends of support plate, the plug includes: plug body, plug mounting panel and plug protection box. The plug further comprises: a protective cover which can be turned over up and down. When the socket and the plug are not plugged for use, the socket and the plug can be protected to avoid damage; when the plug is plugged, the flip cover of the plug and the protective cover of the socket can be opened, so that the charging pile charges the battery of the inspection vehicle; the plug and socket plugging process, the opening and closing of the flip cover and the protective cover do not need external force, and the plug and socket plugging device is simple and convenient to use, safe and reliable.

Description

Fill electric pile, patrol and examine car and system of patrolling and examining

Technical Field

The utility model relates to a check out test set technical field especially relates to a fill electric pile, inspection car and system of patrolling and examining.

Background

The inspection vehicle is used for inspection under a mine. The prior art patrol vehicle needs external power supply to work, so the patrol vehicle needs to walk by towing a cable so as to supply power to the patrol vehicle by the external power supply, but the application of the patrol vehicle is greatly limited by the walking mode of the towing cable.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a fill electric pile, patrol and examine car and system of patrolling and examining to solve prior art's patrol and examine car and need tow cable walking, make the application of patrolling and examining the robot receive the problem of very big restriction.

The embodiment of the utility model discloses fill electric pile, include: the support frame, fill electric pile still includes: a socket, the socket comprising: the socket comprises a socket body, a socket mounting plate, a flip cover capable of being turned up and down and a flip cover driving mechanism; the socket mounting plate is provided with a first surface and a second surface which are opposite, a mounting opening is formed in the socket mounting plate, the socket body is mounted in the mounting opening, the plug-in surface of the socket body protrudes out of the first surface of the socket mounting plate, and the socket mounting plate is mounted in the supporting frame; a flip cover accommodating opening is formed in the socket mounting plate and is positioned above the mounting opening, a connecting plate is arranged on one side of the flip cover accommodating opening, and the connecting plate is connected with the second surface of the socket mounting plate; the flip cover is positioned on one side of the first surface of the socket mounting plate, the flip cover can be turned upwards to expose the plug-in surface of the socket body and can be turned downwards to cover the plug-in surface of the socket body, one end of two opposite side walls of the flip cover is respectively provided with a first trunnion and a second trunnion, the first trunnion is positioned on the same side of the connecting plate, and the first trunnion penetrates through the flip cover accommodating port to be connected with the connecting plate shaft; the socket mounting plate is provided with a through hole, and the through hole is positioned on the other side of the flip cover accommodating opening opposite to the connecting plate; the flip actuating mechanism includes: the guide rod is positioned on one side of the second surface of the socket mounting plate, an opening is formed in one end of the guide rod and communicated with the through hole, a guide rail groove is formed in the guide rod, and one end of the guide rail groove is communicated with the opening; the one end of activity push rod is located one side of the first surface of socket mounting panel, the other end of activity push rod passes the through-hole inserts the guide rail inslot, and can the guide rail inslot removes, the actuating handle is located the guide arm with one side that the connecting plate is relative, the lower part of the one end of actuating handle with the one end hub connection of guide arm, the second gudgeon passes flip holds the mouth with the upper portion of the one end of actuating handle is connected, the actuating handle has the draw-in groove, the other end of activity push rod with the one side that the actuating handle is relative is provided with first uide pin on the surface, the free end of first uide pin inserts the draw-in groove, and can move in the draw-in groove.

Further: one end of the clamping groove is located on the upper side of the driving handle, the other end of the clamping groove is close to the lower side of the driving handle, and the other end of the clamping groove is closer to one end of the driving handle than one end of the clamping groove.

Further, the flip cover driving mechanism further includes: the return spring, return spring's one end with the one end fixed connection of guide arm, the other end of activity push rod with be provided with the second uide pin on the surface of the one side that the drive handle is separated from, the free end of second uide pin with return spring's the other end is connected, the second uide pin is than first uide pin is close to the other end of activity push rod, works as flip is in the state of opening, return spring is in the state of extension.

Further, the socket further includes: fixed push rod, fixed push rod is located one side of the first surface of socket mounting panel, fixed push rod's stiff end with the first surface of socket mounting panel is connected, fixed push rod with the activity push rod sets up relatively, is located one side that flip held the mouth, the length of fixed push rod makes the in-process that socket and plug were pegged graft, flip upwards overturns 45 backs, fixed push rod's free end can with the visor butt that can upwards overturn of plug.

The embodiment of the utility model provides a disclose a tour inspection car again, include: the mobile phone comprises a support plate, a travelling mechanism, a travelling driving mechanism, a battery and a plug matched with the socket; the traveling mechanism is connected with the support plate and is used for driving the support plate to move; the walking driving mechanism is connected with the walking mechanism and used for driving the walking mechanism to walk; the battery is arranged on the lower surface of the carrier plate, and is electrically connected with the walking driving mechanism and used for providing electric energy for the walking driving mechanism; the quantity of plug is two, is located respectively the both ends of support plate, the plug includes: the plug protection box comprises a plug body, a plug mounting plate and a plug protection box, wherein the plug mounting plate is mounted on the lower surface of the support plate, the plug body is mounted on the plug mounting plate and electrically connected with the battery, the plug protection box covers the plug body, one end of the plug protection box is connected with the plug mounting plate, the other end of the plug protection box is provided with a protection box opening, the insertion surface of the plug body faces the protection box opening, and the plug protection box can be abutted to one end of the movable push rod of the socket.

Further, the plug further comprises: the protective cover can be turned over up and down, is positioned at the opening of the protective box and is connected with the plug protective box through a rotating shaft, so that the protective cover can be turned over upwards to expose the opening of the protective box and can be turned over downwards to close the opening of the protective box; the upper portion of one side of visor is provided with the butt joint board, the butt joint board with the position of the fixed push rod of socket corresponds, makes the plug with in-process that the socket was pegged graft, the flip of socket upwards overturns 45 back, the butt joint board can with the socket the free end butt of fixed push rod.

Further, the traveling mechanism includes: the two groups of travelling wheels, the two groups of guide wheels and the two pinch rollers; the two groups of travelling wheels are rotatably arranged at the upper part of the carrier plate, are symmetrically arranged relative to the central axis of the carrier plate, and have the same extending direction as the travelling direction of the inspection vehicle; the walking driving mechanism is connected with the walking wheels and used for driving the walking wheels to rotate; the two groups of guide wheels are rotatably arranged at the upper part of the carrier plate, are symmetrically arranged relative to the central axis of the carrier plate, and have a smaller space than the two groups of travelling wheels; two ends of the carrier plate are respectively provided with a pinch roller mounting hole, the pinch roller mounting holes are positioned on the central axis of the carrier plate, and the two pinch rollers are respectively and rotatably arranged in the two pinch roller mounting holes; the walking wheels and the central rotating shafts of the pressing wheels are parallel to the plane where the carrier plate is located and perpendicular to the central axis of the carrier plate, and the central rotating shafts of the guide wheels are perpendicular to the plane where the carrier plate is located.

Further: when the inspection vehicle travels on an I-shaped track, the carrier plate is positioned below the I-shaped track, wherein the I-shaped track consists of an upper beam, a middle beam and a lower beam, and the middle beam is connected with the upper beam and the lower beam; the two groups of travelling wheels are respectively positioned on two sides of the middle beam, and the wheel surfaces of the travelling wheels are abutted with the upper surface of the lower beam; the two groups of guide wheels are respectively positioned on two sides of the center sill, and the wheel surfaces of the guide wheels are abutted with the side surface of the center sill; the pinch roller is located below the lower beam, and the roller surface of the pinch roller is abutted to the lower surface of the lower beam.

Further, the patrol car still includes: the protective shell is internally provided with the support plate, the two groups of travelling wheels, the two groups of guide wheels, the two pressing wheels, the travelling driving mechanism and the battery; the protective case includes: an upper protective cover and a lower protective shell; the upper protective cover covers the lower protective shell, a first opening through which the middle beam can pass is formed in the middle of the top of the upper protective cover, the first opening penetrates through two ends of the upper protective cover, second openings through which the middle beam and the lower beam can pass are formed in side walls of two ends of the upper protective cover respectively, the second openings are inverted T-shaped, and the upper ends of the two second openings are communicated with two ends of the first opening respectively; the bottom of the lower protective shell is provided with a bottom opening.

The embodiment of the utility model provides a still disclose a system of patrolling and examining, the system of patrolling and examining is used for the I shape track, the system of patrolling and examining includes: the two charging piles and the inspection vehicle; the two charging piles are respectively positioned at the starting end and the tail end of the I-shaped track; the inspection vehicle can run on the I-shaped track; two of the patrol car the plug is just right two respectively fill electric pile the socket.

According to the embodiment of the utility model, through the structural design of the plug and the socket, when the plug is not plugged with the socket, the socket body can be covered by the flip cover of the socket to protect the socket body, the protective cover of the plug can seal the opening of the protective box to protect the plug body, and the socket body and the plug body are prevented from being damaged; when the socket is plugged with the plug, the flip cover of the socket can be opened under the action of the action force generated in the contact process of the socket and the plug, and the protective cover of the plug can be opened under the action of the action force generated in the contact process of the plug and the socket, so that the plug and the socket can be conveniently plugged, and a charging pile can charge a battery of the inspection vehicle; when the plug is pulled out, the flip cover of the socket can reset under the action of elasticity, and the protective cover of the plug can reset under the action of gravity.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a charging pile according to an embodiment of the present invention;

fig. 2 is a first schematic structural diagram of a socket of a charging pile according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a second plug of the charging pile according to the embodiment of the present invention;

fig. 4 is a top view of a receptacle of a charging pile according to an embodiment of the present invention;

fig. 5 is a first side view of a receptacle of a charging pile according to an embodiment of the present invention;

fig. 6 is a second side view of the receptacle of the charging pile according to the embodiment of the present invention;

fig. 7 is a schematic structural diagram of an i-shaped rail according to an embodiment of the present invention;

fig. 8 is a schematic perspective view of a patrol vehicle according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a plug of the inspection vehicle according to the embodiment of the present invention;

fig. 10 is a plan view of a plug of the inspection vehicle according to the embodiment of the present invention;

fig. 11 is a side view of a plug of a patrol car according to an embodiment of the present invention;

fig. 12 is a schematic perspective view of a second inspection vehicle according to an embodiment of the present invention;

fig. 13 is a schematic three-dimensional structure diagram of the inspection vehicle according to the embodiment of the present invention;

fig. 14 is a side view of a patrol car according to an embodiment of the present invention;

fig. 15 is a plan view of a patrol car according to an embodiment of the present invention;

fig. 16 is a left side view of the inspection vehicle according to the embodiment of the present invention;

fig. 17 is a trend chart of a synchronous belt of the inspection vehicle according to the embodiment of the present invention;

fig. 18 is a schematic perspective view of a tensioning mechanism of the inspection vehicle according to the embodiment of the present invention;

fig. 19 is a top view of a tensioning mechanism of a patrol car according to an embodiment of the present invention;

fig. 20 is a side view of a hold-down mechanism of the inspection vehicle according to an embodiment of the present invention;

fig. 21 is a schematic structural diagram of an inspection system according to an embodiment of the present invention;

fig. 22 is a first plugging schematic diagram of a plug and a socket of the inspection system according to the embodiment of the present invention;

fig. 23 is a second schematic diagram of the plug and the socket of the inspection system according to the embodiment of the present invention;

fig. 24 is a top view of a plug and socket of an inspection system according to an embodiment of the present invention;

fig. 25 is a plug-in side view of a plug and a socket of the inspection system according to the embodiment of the present invention;

fig. 26 is a plug-in side view of the plug and the socket of the inspection system according to the embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model discloses fill electric pile. As shown in fig. 1, the charging pile includes: a support 1 and a socket 2. The socket 2 can be connected with an external power supply through an electric wire so as to charge the battery through the charging pile. The charging post may be mounted at the beginning and/or end of the i-shaped track 3. Specifically, as shown in fig. 7, the i-shaped rail 3 is composed of an upper beam 301, a middle beam 302 and a lower beam 303, and the middle beam 302 connects the upper beam 301 and the lower beam 303. The I-shaped rail 3 penetrates through the inside of the support frame 1, and the top of the support frame 1 can be fixedly connected with the I-shaped rail 3.

As shown in fig. 2 to 6, the socket 2 includes: the socket comprises a socket body 201, a socket mounting plate 202, a flip 203 which can be turned up and down and a flip driving mechanism.

Specifically, the receptacle mounting plate 202 has opposing first and second surfaces. The socket mounting plate 202 is provided with a mounting opening. The socket body 201 is installed in the installation opening, and the plugging surface of the socket body 201 protrudes from the first surface of the socket installation plate 202. The socket mounting plate 202 is mounted in the support bracket 1. Specifically, the inner surface of the top of the support frame 1 may extend downward to form a mounting frame having a mounting opening, and the socket mounting plate 202 may be mounted in the mounting opening of the mounting frame.

The socket mounting plate 202 is provided with a flip receiving opening 204. The flip receiving opening 204 is located above the mounting opening. A connection plate 205 is provided at one side of the flip receiving opening 204, and the connection plate 205 is connected to the second surface of the socket mounting plate 202.

The flip cover 203 is located on one side of the first surface of the receptacle mounting board 202. The flip cover 203 can be flipped up to expose the plugging surface of the socket body 201, and flipped down to cover the plugging surface of the socket body 201. One ends of the opposite sidewalls of flip 203 are provided with a first trunnion 206 and a second trunnion 207, respectively. The first trunnion 206 is located on the same side of the connecting plate 205, and the first trunnion 206 is connected to the connecting plate 205 through the flip receiving opening 204.

The socket mounting plate 202 has a through hole therein, and the through hole is located on the other side of the flip receiving opening 204 opposite to the connection plate 205.

The flip actuating mechanism includes: a guide bar 208, a movable push rod 209 and a drive handle 210. The guide bar 208 is located at one side of the second surface of the socket mounting plate 202. One end of the guide bar 208 has an opening. The opening communicates with the through hole. The guide bar 208 is provided with a guide groove 211. One end of the rail groove 211 communicates with the opening. One end of the movable push rod 209 is located at one side of the first surface of the socket mounting plate 202, and the other end of the movable push rod 209 is inserted into the guide rail groove 211 through the through hole and is movable within the guide rail groove 211. Preferably, one end of the movable push rod 209 is pointed. The drive handle 210 is located on the opposite side of the guide bar 208 from the connecting plate 205. The lower portion of one end of the driving handle 210 is coupled to one end shaft of the guide bar 208. Generally, the rotation shaft of the driving handle 210 connected with the guide bar 208 shaft and the rotation shaft of the first trunnion 206 connected with the connection plate 205 shaft are coaxial, thereby facilitating the flip 203 to be stably flipped. The second trunnion 207 is connected to the upper portion of one end of the actuating lever 210 through the flip receiving opening 204. The driving handle 210 has a catch 212. A first guide pin 213 is provided on a surface of the other end of the movable push rod 209 on the side opposite to the driving handle 210. The free end of the first guide pin 213 is inserted into the card slot 212 and is movable within the card slot 212.

Through the structural design, when the socket 2 is not plugged with a plug, the flip cover 203 of the socket 2 covers the plugging surface of the socket body 201 so as to protect the socket body 201 and avoid the damage of the socket 2 due to factors such as environment and the like when not used. When the socket 2 is plugged with a plug, along with the gradual approach of the socket and the plug, the plug protection box of the plug can abut against one end of the movable push rod 209, so that the movable push rod 209 moves in the guide rail groove 211 under the thrust action of the plug protection box of the plug, the first guide pin 213 moves in the clamping groove 212 along with the movement of the movable push rod 209, so that the driving handle 210 rotates around the rotating shaft connected with the guide rod 208 (in the direction shown in fig. 2, the rotating shaft rotates counterclockwise), so that the second trunnion 207 drives the flip cover 203 to turn upwards and open, and meanwhile, the first trunnion 206 also rotates along with the rotating shaft connected with the connecting plate 205 shaft, and further assists the flip cover 203 to open. After the flip 203 is opened, the plug can be inserted into the socket 2 to realize circuit connection.

During the opening of the flip cover 203, the side of the flip cover 203 connected to the first trunnion 206 and the second trunnion 207 can rotate into the flip cover receiving opening 204, so that the socket mounting plate 202 does not affect the opening operation of the flip cover 203. When the flip 203 is turned up by 90 °, the flip 203 is opened.

Preferably, one end of the locking groove 212 is located at the upper side of the driving handle 210, the other end of the locking groove 212 is close to the lower side of the driving handle 210, and the other end of the locking groove 212 is close to one end of the driving handle 210 than one end of the locking groove 212, so that the locking groove 212 is inclined, and it is more favorable for the first guide pin 213 to apply force to the driving handle 210 when moving along with the movable push rod 209, so as to rotate the driving handle 210.

When the plug is pulled out of the socket 2, the flip 203 that has been opened needs to be closed, and at this time, the movable push rod 209 can be pulled out from the guide rail groove 211 by an external force to close the flip 203. In addition, a corresponding mechanism can be arranged so that the flip cover 203 can be automatically turned downwards to be closed. Specifically, the flip driving mechanism further includes: a return spring 214. One end of the return spring 214 is fixedly connected to one end of the guide rod 208, and a second guide pin 215 is disposed on a surface of the other end of the movable push rod 209 on a side spaced apart from the driving handle 210. The free end of the second guide pin 215 is connected to the other end of the return spring 214. The second guide pin 215 is closer to the other end of the movable push rod 209 than the first guide pin 213. When the lid 203 is opened, the second guide pin 215 moves toward the other end of the guide groove 211, and the other end of the return spring 214 moves toward the other end of the guide groove 211 along with the second guide pin 215, whereby the return spring 214 is extended. Therefore, when the lid 203 is in the open state, the return spring 214 is in the extended state.

Through setting up return spring 214, when the plug was extracted from socket 2, the plug protection box of plug no longer with activity push rod 209 butt, therefore, activity push rod 209 no longer receives the thrust that the plug protection box of plug applyed, return spring 214 also no longer receives second uide pin 215 to its pulling force, at this moment, return spring 214 kick-backs under self elastic effect, it moves outward to drive activity push rod 209 to guide rail groove 211, and simultaneously, first uide pin 213 also is reverse movement in draw-in groove 212, make drive handle 210 reverse rotation, second gudgeon 207 drives flip 203 and overturns the plug surface that covers socket body 201 downwards.

When the plug protection box of the plug inserted into the socket 2 also has a protective cover capable of being turned over up and down, the socket 2 of the embodiment of the present invention can increase the structure of the protective cover for opening the plug, so that the plug and the socket 2 can be smoothly inserted. Specifically, the socket 2 further includes: the push rod 216 is fixed. The fixed push rod 216 is located at one side of the first surface of the socket mounting plate 202. The fixed end of the fixed push rod 216 is connected to the first surface of the socket mounting plate 202. The fixed push rod 216 and the movable push rod 209 are oppositely disposed and located at one side of the flip receiving opening 204. The length of the fixed push rod 216 enables the free end of the fixed push rod 216 to abut against the protective cover of the plug, which can be turned upwards, after the flip cover 203 is turned upwards by 45 degrees in the process of inserting the socket 2 and the plug.

Through the structural design, in the process of inserting the plug and the socket 2, the fixed push rod 216 can be abutted against the protective cover of the plug to apply force to the protective cover to open the protective cover, and after the protective cover is turned upwards by 90 degrees, the free end of the fixed push rod 216 is pressed on the protective cover to limit the protective cover to be turned downwards. Because of the length limitation of the fixed push rod 216, the opening timing sequence is that the flip 203 of the socket 2 is opened first, and after the flip 203 of the socket 2 is opened by 45 degrees, the fixed push rod 216 will abut against the protective cover of the plug, so that the protective cover starts to be opened, and therefore the opening processes of the protective cover and the flip 203 cannot be influenced mutually, and the plug and the socket 2 can be plugged smoothly. It should be understood that, in the opening sequence, after the flip cover 203 and the protective cover are opened, the flip cover 203 is located above the protective cover, and since the receptacle 2 has the flip cover receiving opening 204, the protective cover can be inserted into the flip cover receiving opening 204 after being opened, so that the insertion of the plug and the receptacle 2 is not affected.

Preferably, the free end of the fixed push rod 216 is pointed, so that the contact surface with the protective cover of the plug can be reduced, the friction force is reduced, and the protective cover of the plug can be opened more conveniently.

In summary, when the socket of the charging pile is not plugged with the plug, the flip cover can cover the socket body to protect the socket body and avoid damage; when the socket of the charging pile is plugged with the plug, the flip cover of the socket can be opened under the action of the action force generated in the process of contacting with the plug, so that the plug and the socket are conveniently plugged, and the battery is conveniently charged; when the plug is pulled out, the flip cover of the socket can reset under the action of the elastic force.

The embodiment of the utility model provides a still disclose a tour car. As shown in fig. 9, the inspection vehicle is used to travel on the i-shaped rail 3. As shown in fig. 8-20 (wherein the schematic diagrams of the inspection vehicle of fig. 12-16 do not show the protective shell), the inspection vehicle comprises: a carrier plate 4, a traveling mechanism, a traveling driving mechanism, a battery and a plug 5 matched with the socket 2 of the above embodiment.

The carrier plate 4 may provide a carrying space for a load such as a camera. Specifically, a load such as a camera may be mounted on the lower surface of the carrier plate 4.

The traveling mechanism is connected with the support plate 4 and is used for driving the support plate 4 to move.

The walking driving mechanism is connected with the walking mechanism and used for driving the walking mechanism to walk.

The battery is mounted on the lower surface of the carrier plate 4. Specifically, the battery can be mounted on the lower surface of the support plate 4 through the battery mounting frame, the upper portion of the battery mounting frame is connected with the lower surface of the support plate 4, and the battery is mounted in the mounting hole of the battery mounting frame. The battery is electrically connected with the walking driving mechanism and is used for providing electric energy for the walking driving mechanism.

The number of the plugs 5 is two, and the plugs are respectively positioned at two ends of the carrier plate 4. The plug 5 includes: a plug body, a plug mounting plate 501 and a plug protection box 502. A plug mounting plate 501 is mounted on the lower surface of the carrier plate 4. Specifically, the plug mounting plate 501 is mounted on the lower surface of the carrier plate 4 through a plug mounting bracket, the upper portion of the plug mounting bracket is connected with the lower surface of the carrier plate 4, and the plug mounting plate 501 is mounted on the mounting surface of the plug mounting bracket. The plug body is mounted on the plug mounting plate 501. The plug body is electrically connected with the battery, so that the battery can be charged. The plug protection box 502 covers the plug body. One end of the plug protection box 502 is connected to the plug mounting plate 501, and the other end of the plug protection box 502 has a protection box opening. The plug surface of the plug body faces the opening of the protection box. The plug protection box 502 may abut on one end of the movable push rod 209 of the receptacle 2.

Through the above structural design, when the plug 5 is plugged into the socket 2, the movable push rod 209 can abut against the plug protection box 502, and the plug protection box 502 applies force to the movable push rod 209 to push the movable push rod 209 to move into the guide rail groove 211, so that the flip 203 of the socket 2 is opened. The specific process is as described in the above embodiments, and is not described herein again. When the flip 203 is opened, the plug 5 and the socket 2 can be plugged together to conduct a circuit, so that the charging pile can charge the battery.

Preferably, the plug protection box 502 is a male protection box. The convex protection box is provided with a base end and a protruding end protruding out of the base end. The opening of the protection box is arranged on the surface of the protruding end. During the process of plugging the plug 5 and the socket 2, the base end can abut against one end of the movable push rod 209 of the socket 2.

Through the structural design, the movable push rod 209 is convenient to abut against the plug protection box 502, and meanwhile, the plug-in connection between the plug 5 and the socket 2 cannot be influenced.

Preferably, the plug 5 may also be provided with a cover that can be opened and closed in order to protect the plug 5. Specifically, the plug 5 further includes: a protective cover 503 that can be flipped upside down. The protection cover 503 is located at the protection box opening and is connected to the plug protection box 502 through a rotation shaft, so that the protection cover 503 can be turned upwards to expose the protection box opening and can be turned downwards to close the protection box opening. An abutting plate 504 is provided on an upper portion of one side of the protective cover 503. The abutting plate 504 corresponds to the position of the fixed push rod 216 of the socket 2, so that in the process of inserting the plug 5 into the socket 2, after the flip cover 203 of the socket 2 is turned upwards by 45 degrees, the abutting plate 504 can abut against the free end of the fixed push rod 216 of the socket 2. It should be understood that the position where the fixed push rod 216 contacts the abutting plate 504 is located above the rotation axis connecting the protective cover 503 and the plug protection case 502.

Through the structural design, when the plug 5 is not plugged with the socket 2, the protective cover 503 closes the opening of the protective box to protect the plug body, and the plug body is prevented from being damaged due to factors such as environment. When the plug 5 is plugged into the socket 2, the flip cover 203 of the socket 2 is opened first according to the opening sequence, and after the flip cover 203 of the socket 2 is turned upwards by 45 degrees, the free end of the fixed push rod 216 abuts against the abutting plate 504 to apply pressure to the abutting plate 504. The abutting plate 504 is forced to drive the protective cover 503 to turn upwards, so that the protective cover 503 is opened to expose the plugging surface of the plug body. After the protective cover 503 is turned over 90 ° upward, the free end of the fixing push rod 216 is pressed above the abutting plate 504, so as to restrict the protective cover 503 from turning over downward, and keep the protective cover 503 open. When the plug 5 is pulled out from the socket 2, the fixed push rod 216 is no longer in contact with the abutting plate 504, the abutting plate 504 is no longer pressed, and the protective cover 503 is turned downwards under the action of gravity to close the protective box opening.

Preferably, the traveling mechanism includes: two sets of road wheels 6, two sets of guide wheels 7 and two pinch rollers 8.

The two groups of walking wheels 6 are rotatably arranged on the upper part of the carrier plate 4, and the two groups of walking wheels 6 are symmetrically arranged relative to the central axis of the carrier plate 4. Preferably, the traveling wheels 6 are high-hardness rubber-coated wheels, so that the inspection vehicle can stably travel, detection equipment such as a camera carried on the inspection vehicle can stably transmit pictures, and the pictures are prevented from being blurred due to shaking. The extension direction of the central axis of the carrier plate 4 is the same as the walking direction of the inspection vehicle. The walking driving mechanism is connected with the walking wheels 6 and used for driving the walking wheels 6 to rotate.

Two sets of guide wheels 7 are rotatably mounted on the upper portion of carrier plate 4, and two sets of guide wheels 7 are symmetrically arranged with respect to the central axis of carrier plate 4. The distance between the two groups of guide wheels 7 is smaller than the distance between the two groups of road wheels 6.

Two ends of the carrier plate 4 are respectively provided with a pinch roller mounting port 9, and the pinch roller mounting ports 9 are located on the central axis of the carrier plate 4, so that the pinch roller mounting ports 9 are located in the middle of the carrier plate 4. The two pinch rollers 8 are respectively and rotatably arranged in the two pinch roller mounting openings 9.

The central rotating shafts of the travelling wheels 6 and the pressing wheels 8 are parallel to the plane of the carrier plate 4 and are perpendicular to the central axis of the carrier plate 4, and the central rotating shaft of the guide wheel 7 is perpendicular to the plane of the carrier plate 4.

Through the structural design, when the inspection vehicle travels on the I-shaped track 3, the support plate 4 is positioned below the I-shaped track 3; the two groups of walking wheels 6 are respectively positioned at two sides of the middle beam 302, and the wheel surfaces of the walking wheels 6 are abutted with the upper surface of the lower beam 303; the two groups of guide wheels 7 are respectively positioned on two sides of the middle beam 302, and the wheel surfaces of the guide wheels 7 are abutted with the side surface of the middle beam 302; the pinch roller 8 is located below the lower beam 303, and the roller surface of the pinch roller 8 abuts against the lower surface of the lower beam 303.

The travelling wheels 6 are driven by the travelling driving mechanism to rotate, so that the inspection vehicle can travel on the I-shaped track 3 to carry out corresponding detection. The guide wheels 7 are abutted to the I-shaped rails 3 from the two sides of the I-shaped rails 3, so that the left and right deviation phenomenon and the shaking phenomenon cannot occur when the inspection vehicle travels on the I-shaped rails 3. The pinch rollers 8 and the walking wheels 6 jointly ensure that the patrol vehicle walks along the I-shaped track 3, and the two pinch rollers 8 in front of each other also ensure that the patrol vehicle can normally and stably walk under the condition that the overall gravity center of the patrol vehicle is not centered due to factors such as loads, and the rollover condition cannot occur.

Preferably, the patrol vehicle further comprises: a protective shell. The support plate 4, the two groups of walking wheels 6, the two groups of guide wheels 7, the two pinch rollers 8, the walking driving mechanism and the battery are all arranged in the protective shell. The protective housing includes: an upper protective cover 10 and a lower protective case 11. The upper protective cover 10 covers the lower protective case 11. The middle of the top of the upper protective cover 10 is provided with a first opening 12 through which the middle beam 302 can pass. The first opening 12 penetrates both ends of the upper protection cover 10. The side walls of the two ends of the upper protection cover 10 are respectively provided with a second opening 13 through which the middle beam 302 and the lower beam 303 can pass. The second opening 13 is in the shape of an inverted T. The upper ends of the two second openings 13 are respectively communicated with the two ends of the first opening 12. The bottom of the lower protective shell 11 is opened with a bottom opening through which a camera or the like provided on the lower surface of the carrier plate 4 can extend for inspection.

When the patrol car runs on the i-shaped track 3, the upper beam 301 is positioned on the upper surface of the upper protective cover 10, the middle beam 302 is positioned in the first opening 12 and the second opening 13, and the lower beam 303 is positioned in the protective shell and passes through the first opening 13, so that the protective shell does not influence the movement of the patrol car.

Specifically, this patrol and examine car still includes: two road wheel mounts 14. The two road wheel mounting brackets 14 are mounted on the upper surface of the carrier plate 4 and are symmetrically arranged relative to the central axis of the carrier plate 4.

Each group of road wheels 6 comprises: a first road wheel and a second road wheel. The first walking wheel and the second walking wheel are separated by a gap. The first walking wheel is arranged at one end of the walking wheel mounting frame 14 at the same side through a central rotating shaft of the first walking wheel. The second road wheel is arranged at the other end of the road wheel mounting frame 14 at the same side through a central rotating shaft of the second road wheel. Therefore, the inspection vehicle adopts four-wheel drive, which is beneficial to improving the stability and the gripping force, thereby improving the climbing capability.

The travel drive mechanism includes: a motor 15 and two transmission components. Preferably, the motor 15 is an explosion-proof motor. A motor 15 is mounted below the carrier plate 4 by means of a motor mounting 16. Specifically, the upper surface of the motor mounting bracket 16 is connected with the lower surface of the carrier plate 4, and the motor 15 is arranged in the mounting hole of the motor mounting bracket 16 in a penetrating manner. The motor 15 is electrically connected to the battery. The two transmission assemblies are symmetrically arranged relative to the central axis of the carrier plate 4. The motor 15 is connected with the transmission assembly. The transmission component is connected with the road wheels 6 at the same side. The motor 15 is used as a single power source, can provide walking power for the inspection vehicle, and is combined with four-wheel drive, so that the inspection vehicle has strong climbing capability, and does not need other auxiliary power when climbing a 20-degree slope.

Specifically, the transmission assembly includes: a first timing pulley 17, a second timing pulley 18, a third timing pulley 19, and a timing belt 20. The first synchronous pulley 17 is connected to an output shaft of the motor 15. It will be appreciated that the output of the motor 15 is connected to two primary timing pulleys 17 on either side so as to allow the two sets of road wheels 6 to act in unison. The second synchronous pulley 18 is located right above the first synchronous pulley 17, and the second synchronous pulley 18 is sleeved on the central rotating shaft of the first traveling wheel. The third synchronous belt wheel 19 is sleeved on the central rotating shaft of the second travelling wheel. The synchronous belt 20 is sleeved on the first synchronous pulley 17, the second synchronous pulley 18 and the third synchronous pulley 19.

The motor 15 is started, the motor 15 drives the two first synchronous belt pulleys 17 connected with the motor to rotate, the first synchronous belt pulley 17 drives the synchronous belt 20 sleeved on the first synchronous belt pulley to move, and the synchronous belt 20 drives the second synchronous belt pulley 18 and the third synchronous belt pulley 19 to rotate. The second synchronous belt wheel 18 and the third synchronous belt wheel 19 drive the central rotating shaft of the corresponding first travelling wheel and the central rotating shaft of the corresponding second travelling wheel to rotate, so that the first travelling wheel and the second travelling wheel rotate, and the inspection vehicle travels on the I-shaped track 3.

Because hold-in range 20 is longer, in order to guarantee that hold-in range 20 can not too loose and produce the phenomenon of skidding, need to make hold-in range 20 keep the tensioning, it is preferred that this inspection car still includes: a tensioning mechanism. Specifically, the straining device includes: u-shaped bracket 21, adjusting screw 22, retaining nut 23, U-shaped sliding frame 24 and idler wheel 25. A U-shaped bracket 21 is provided on the upper surface of the carrier plate 4. The two side arms of the U-shaped bracket 21 are respectively provided with a sliding groove 26. The two side arms of the U-shaped sliding frame 24 are respectively located in the two sliding grooves 26, and can slide in the sliding grooves 26. The free ends of the two side arms of the U-shaped sliding frame 24 are connected with an idler wheel 25 through shafts, so that the idler wheel 25 can move along with the sliding of the U-shaped sliding frame 24. The free end refers to the end of the two side arms opposite to the U-shaped bottom. It should be understood that the bottom of the U-shaped bottom in the embodiment of the present invention is directed to the bottom of the U-shaped bottom. One end of the adjusting screw 22 passes through a through hole at the U-shaped bottom of the U-shaped bracket 21 and is connected with the U-shaped bottom of the U-shaped sliding frame 24. The retaining nut 23 is sleeved on the adjusting screw 22 and is abutted against the outer surface of the U-shaped bottom of the U-shaped bracket 21. The threads of the outer surface of the adjustment screw 22 engage the threads of the inner surface of the back nut 23 so that the back nut 23 can limit the adjustment screw 22. The timing belt 20 passes through the U-shaped opening of the U-shaped carriage 24 and is located between the U-shaped bottom of the U-shaped carriage 24 and the idler pulley 25.

The adjusting screw 22 is rotated to move the adjusting screw 22 to the other end of the adjusting screw 22, the adjusting screw 22 drives the U-shaped sliding frame 24 to move towards the U-shaped bottom of the U-shaped bracket 21 in the sliding groove 26, the U-shaped sliding frame 24 drives the idle wheel 25 to move towards the U-shaped bottom of the U-shaped bracket 21, so that the idle wheel 25 can press the synchronous belt 20 tightly, and then the retaining nut 23 is tightened. The idler pulley 25 compresses the synchronous belt 20, so that the synchronous belt 20 is kept tensioned, and the phenomenon that the synchronous belt 20 is loosened too much to cause a slip phenomenon to cause serious abrasion and even burning of the synchronous belt 20 is avoided.

Specifically, this patrol and examine car still includes: two guide wheel mounts 27. Each guide wheel mounting bracket 27 is arranged in parallel with each road wheel mounting bracket 14 on the same side, and is connected with the road wheel mounting bracket 14 on the same side through a connecting bracket 28. The surface of the guide wheel mounting frame 27 is provided with a guide wheel mounting opening. The guide wheel 7 is rotatably installed in the guide wheel installation opening through a central rotating shaft of the guide wheel 7.

Each set of guide wheels 7 comprises: two guide wheels 7. The number of the guide wheel mounting openings of each guide wheel mounting bracket 27 is two, and the two guide wheel mounting openings of each guide wheel mounting bracket 27 are located between the first traveling wheel and the second traveling wheel on the same side, so that the two guide wheels 7 on the same side are located between the first traveling wheel and the second traveling wheel.

Specifically, this patrol and examine car still includes: u-shaped pinch roller mounting 29. The free ends of the two side arms of the U-shaped pinch roller mounting frame 29 extend into the pinch roller mounting opening 9. The free end refers to the end of the two side arms opposite to the U-shaped bottom. One side surface of the two side arms of the U-shaped pinch roller mounting frame 29 extends with a fixing plate 30 parallel to the carrier plate 4. The fixing plate 30 is fixedly coupled to the lower surface of the carrier plate 4, so that the U-shaped pinch roller mounting frame 29 is mounted on the lower surface of the carrier plate 4. The pinch roller 8 is rotatably mounted between the free ends of the two side arms of the U-shaped pinch roller mounting bracket 29 by the central rotating shaft of the pinch roller 8.

Preferably, the patrol vehicle further comprises: two sets of pressing mechanisms. Each hold-down mechanism corresponds to each hold-down roller 8. The hold-down mechanism includes: two push rods 31 and two springs 32. The two push rods 31 are respectively and symmetrically arranged at two sides of the pinch roller 8. One end of each of the two push rods 31 penetrates through two through holes at the U-shaped bottom of the U-shaped pinch roller mounting frame 29. The threads on the outer surface of the ejector rod 31 are engaged with the threads on the inner surface of the through hole in the U-shaped bottom of the U-shaped pinch roller mounting bracket 29 to limit the ejector rod 31. The two springs 32 are respectively sleeved at one end of the two push rods 31, and one ends of the two springs 32 are respectively abutted with two ends of the central rotating shaft of the pinch roller 8.

Through rotating the ejector rod 31, the ejector rod 31 moves upwards, the ejector rod 31 enables the spring 32 to apply an upward force to the pressing wheel 8, the pressing wheel 8 can be tightly pressed on the lower surface of the lower beam 303, the auxiliary traveling wheels 6 tightly hold the I-shaped rail 3, and the inspection vehicle is prevented from derailing and slipping.

To sum up, according to the inspection vehicle provided by the embodiment of the utility model, through the structural design of the plug, when the plug is not plugged with the socket, the protective cover can seal the opening of the protective box to protect the plug body and avoid damage; when the plug is plugged with the socket, the protective cover of the plug can be opened under the action of an action force generated in the process of contacting with the socket, so that the plug and the socket are conveniently plugged, and a charging pile can charge a battery of the inspection vehicle; when the plug is pulled out, the protective cover of the plug can reset under the action of gravity; in addition, this patrol and examine car and can walk on the track steadily, the condition of rocking about can not appearing, even the focus also can not appear phenomenons such as the car turns over between two parties, and climbing ability is strong.

The utility model discloses still disclose a system of patrolling and examining. The inspection system is used for the I-shaped rail 3. As shown in fig. 21 to 26, the inspection system includes: the electric pile that fills of two above-mentioned embodiments and the patrol car of above-mentioned embodiment. Two electric pile that fill are located I shape track 3's top and end respectively. The inspection vehicle can walk on the I-shaped track 3. Two plugs 5 of the patrol car are respectively opposite to the two sockets 2 of the charging pile. This system of patrolling and examining has the beneficial effect of the electric pile of filling and the car of patrolling and examining of above-mentioned embodiment, no longer gives unnecessary details here.

When the inspection vehicle travels to the beginning or the end of the i-shaped track 3, the plug 5 at one end of the support plate 4 opposite to the charging pile located at the beginning can be inserted into the socket 2 of the charging pile located at the beginning, or the plug 5 at the other end of the support plate 4 opposite to the charging pile located at the end can be inserted into the socket 2 of the charging pile located at the end, so that the corresponding charging pile charges the battery. Specifically, in the walking process of the inspection vehicle, the inspection vehicle is not charged, the socket 2 can be protected by the flip cover 203, and the plug 5 can be protected by the protective cover 503, so that damage is avoided; when the inspection vehicle travels to the beginning or the end of the i-shaped track 3 and the corresponding plug 5 is plugged into the socket 2, the flip cover 203 of the socket 2 is firstly turned upwards and opened by the contact force of the movable push rod 209 and the socket protection box 502, and then the protective cover 503 of the plug 5 is turned upwards and opened by the contact force of the fixed push rod 216 and the abutting plate 504 so that the socket 2 and the plug 5 are plugged into each other; when the plug 5 is pulled out of the socket, the protective cover 503 is reset under the action of gravity, and the flip cover 203 is reset under the action of the return spring 214 so as to protect the socket 2 and the plug 5; in the whole plugging process, the flip cover 203 and the protective cover 503 are opened and closed without external force, so that the plugging device is simple and convenient to use, safe and reliable.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A charging pile, comprising: the support frame, its characterized in that fills electric pile still includes: a socket, the socket comprising: the socket comprises a socket body, a socket mounting plate, a flip cover capable of being turned up and down and a flip cover driving mechanism;

the socket mounting plate is provided with a first surface and a second surface which are opposite, a mounting opening is formed in the socket mounting plate, the socket body is mounted in the mounting opening, the plug-in surface of the socket body protrudes out of the first surface of the socket mounting plate, and the socket mounting plate is mounted in the supporting frame;

a flip cover accommodating opening is formed in the socket mounting plate and is positioned above the mounting opening, a connecting plate is arranged on one side of the flip cover accommodating opening, and the connecting plate is connected with the second surface of the socket mounting plate;

the flip cover is positioned on one side of the first surface of the socket mounting plate, the flip cover can be turned upwards to expose the plug-in surface of the socket body and can be turned downwards to cover the plug-in surface of the socket body, one end of two opposite side walls of the flip cover is respectively provided with a first trunnion and a second trunnion, the first trunnion is positioned on the same side of the connecting plate, and the first trunnion penetrates through the flip cover accommodating port to be connected with the connecting plate shaft;

the socket mounting plate is provided with a through hole, and the through hole is positioned on the other side of the flip cover accommodating opening opposite to the connecting plate;

the flip actuating mechanism includes: the guide rod is positioned on one side of the second surface of the socket mounting plate, an opening is formed in one end of the guide rod and communicated with the through hole, a guide rail groove is formed in the guide rod, and one end of the guide rail groove is communicated with the opening; the one end of activity push rod is located one side of the first surface of socket mounting panel, the other end of activity push rod passes the through-hole inserts the guide rail inslot, and can the guide rail inslot removes, the actuating handle is located the guide arm with one side that the connecting plate is relative, the lower part of the one end of actuating handle with the one end hub connection of guide arm, the second gudgeon passes flip holds the mouth with the upper portion of the one end of actuating handle is connected, the actuating handle has the draw-in groove, the other end of activity push rod with the one side that the actuating handle is relative is provided with first uide pin on the surface, the free end of first uide pin inserts the draw-in groove, and can move in the draw-in groove.

2. A charging pile according to claim 1, characterised in that: one end of the clamping groove is located on the upper side of the driving handle, the other end of the clamping groove is close to the lower side of the driving handle, and the other end of the clamping groove is closer to one end of the driving handle than one end of the clamping groove.

3. The charging pole according to claim 1, wherein the flip driving mechanism further comprises: the return spring, return spring's one end with the one end fixed connection of guide arm, the other end of activity push rod with be provided with the second uide pin on the surface of the one side that the drive handle is separated from, the free end of second uide pin with return spring's the other end is connected, the second uide pin is than first uide pin is close to the other end of activity push rod, works as flip is in the state of opening, return spring is in the state of extension.

4. The charging pole according to claim 1, wherein the socket further comprises: fixed push rod, fixed push rod is located one side of the first surface of socket mounting panel, fixed push rod's stiff end with the first surface of socket mounting panel is connected, fixed push rod with the activity push rod sets up relatively, is located one side that flip held the mouth, the length of fixed push rod makes the in-process that socket and plug were pegged graft, flip upwards overturns 45 backs, fixed push rod's free end can with the visor butt that can upwards overturn of plug.

5. A patrol car, characterized by comprising: the socket comprises a carrier plate, a travelling mechanism, a travelling driving mechanism, a battery and a plug matched with the socket as claimed in any one of claims 1 to 4;

the traveling mechanism is connected with the support plate and is used for driving the support plate to move;

the walking driving mechanism is connected with the walking mechanism and used for driving the walking mechanism to walk;

the battery is arranged on the lower surface of the carrier plate, and is electrically connected with the walking driving mechanism and used for providing electric energy for the walking driving mechanism;

the quantity of plug is two, is located respectively the both ends of support plate, the plug includes: the plug protection box comprises a plug body, a plug mounting plate and a plug protection box, wherein the plug mounting plate is mounted on the lower surface of the support plate, the plug body is mounted on the plug mounting plate and electrically connected with the battery, the plug protection box covers the plug body, one end of the plug protection box is connected with the plug mounting plate, the other end of the plug protection box is provided with a protection box opening, the insertion surface of the plug body faces the protection box opening, and the plug protection box can be abutted to one end of the movable push rod of the socket.

6. The patrol car of claim 5, wherein the plug further comprises: the protective cover can be turned over up and down, is positioned at the opening of the protective box and is connected with the plug protective box through a rotating shaft, so that the protective cover can be turned over upwards to expose the opening of the protective box and can be turned over downwards to close the opening of the protective box; the upper portion of one side of visor is provided with the butt joint board, the butt joint board with the position of the fixed push rod of socket corresponds, makes the plug with in-process that the socket was pegged graft, the flip of socket upwards overturns 45 back, the butt joint board can with the socket the free end butt of fixed push rod.

7. The inspection vehicle according to claim 5, wherein the traveling mechanism includes: the two groups of travelling wheels, the two groups of guide wheels and the two pinch rollers;

the two groups of travelling wheels are rotatably arranged at the upper part of the carrier plate, are symmetrically arranged relative to the central axis of the carrier plate, and have the same extending direction as the travelling direction of the inspection vehicle; the walking driving mechanism is connected with the walking wheels and used for driving the walking wheels to rotate;

the two groups of guide wheels are rotatably arranged at the upper part of the carrier plate, are symmetrically arranged relative to the central axis of the carrier plate, and have a smaller space than the two groups of travelling wheels;

two ends of the carrier plate are respectively provided with a pinch roller mounting hole, the pinch roller mounting holes are positioned on the central axis of the carrier plate, and the two pinch rollers are respectively and rotatably arranged in the two pinch roller mounting holes;

the walking wheels and the central rotating shafts of the pressing wheels are parallel to the plane where the carrier plate is located and perpendicular to the central axis of the carrier plate, and the central rotating shafts of the guide wheels are perpendicular to the plane where the carrier plate is located.

8. The inspection vehicle according to claim 7, wherein: when the inspection vehicle travels on an I-shaped track, the carrier plate is positioned below the I-shaped track, wherein the I-shaped track consists of an upper beam, a middle beam and a lower beam, and the middle beam is connected with the upper beam and the lower beam;

the two groups of travelling wheels are respectively positioned on two sides of the middle beam, and the wheel surfaces of the travelling wheels are abutted with the upper surface of the lower beam;

the two groups of guide wheels are respectively positioned on two sides of the center sill, and the wheel surfaces of the guide wheels are abutted with the side surface of the center sill;

the pinch roller is located below the lower beam, and the roller surface of the pinch roller is abutted to the lower surface of the lower beam.

9. The inspection vehicle according to claim 8, characterized by further comprising: the protective shell is internally provided with the support plate, the two groups of travelling wheels, the two groups of guide wheels, the two pressing wheels, the travelling driving mechanism and the battery; the protective case includes: an upper protective cover and a lower protective shell;

the upper protective cover covers the lower protective shell, a first opening through which the middle beam can pass is formed in the middle of the top of the upper protective cover, the first opening penetrates through two ends of the upper protective cover, second openings through which the middle beam and the lower beam can pass are formed in side walls of two ends of the upper protective cover respectively, the second openings are inverted T-shaped, and the upper ends of the two second openings are communicated with two ends of the first opening respectively;

the bottom of the lower protective shell is provided with a bottom opening.

10. The utility model provides an inspection system, its characterized in that, inspection system is used for the I shape track, inspection system includes: two charging poles according to any one of claims 1 to 4 and a patrol car according to any one of claims 5 to 9; the two charging piles are respectively positioned at the starting end and the tail end of the I-shaped track; the inspection vehicle can run on the I-shaped track; two of the patrol car the plug is just right two respectively fill electric pile the socket.