阅读说明：本技术 一种鱼雷罐车电能供应系统 (Torpedo tank car electric energy supply system ) 是由 万小兵 鲁少刚 殷小博 陆星 于 2019-09-06 设计创作，主要内容包括：本发明公开了一种鱼雷罐车电能供应系统,包括车载受电装置和地面充电装置,车载受电装置包括与鱼雷罐车相连接的支撑架,支撑架上连接有导电滑触线,导电滑触线和鱼雷罐车上的蓄电池电连接,地面充电装置包括和地面电源电连接的电刷组件,电刷组件连接在固定板上,固定板通过摆臂连接在支座上,摆臂的一端和固定板相铰接,另一端可摆动的连接在支座上,鱼雷罐车充电时,导电滑触线和电刷组件接触实现对鱼雷罐车上蓄电池的充电。本发明能够实现鱼雷罐车的自动化充电,提高充电效率,节约人力成本。(The invention discloses an electric energy supply system of a torpedo car, which comprises a vehicle-mounted current-receiving device and a ground charging device, wherein the vehicle-mounted current-receiving device comprises a support frame connected with the torpedo car, a conductive sliding contact line is connected on the support frame and is electrically connected with a storage battery on the torpedo car, the ground charging device comprises an electric brush assembly electrically connected with a ground power supply, the electric brush assembly is connected on a fixing plate, the fixing plate is connected on a support through a swing arm, one end of the swing arm is hinged with the fixing plate, the other end of the swing arm is connected on the support in a swinging mode, and when the torpedo car is charged, the conductive sliding contact line is contacted with the electric brush assembly to. The invention can realize the automatic charging of the torpedo car, improve the charging efficiency and save the labor cost.)

1. The utility model provides a torpedo car electric energy supply system, its characterized in that, includes on-vehicle current-collecting device and ground charging device, on-vehicle current-collecting device include with the support frame that the torpedo car is connected, be connected with electrically conductive wiping line on the support frame, electrically conductive wiping line with the last battery electricity of torpedo car is connected, ground charging device includes the brush subassembly of being connected with ground power electricity, the brush subassembly is connected on the fixed plate, the fixed plate passes through the swing arm and connects on the support, the one end of swing arm with the fixed plate is articulated mutually, but the connection of other end wobbling is in on the support, when the torpedo car charges, electrically conductive wiping line with the contact of brush subassembly is realized just charging of battery on the torpedo car.

2. The electric energy supply system of the torpedo car according to claim 1, wherein the brush assembly is connected with the fixing plate through a floatable mechanism, the floatable mechanism comprises a compression spring and a connector, one end of the compression spring is connected with the brush assembly, the other end of the compression spring is connected with the fixing plate, one end of the connector is provided with a first open slot, the other end of the connector is provided with a second open slot, the first open slot and the second open slot are perpendicular in opening direction, the side walls of the first open slot and the second open slot are provided with slotted holes, the slotted hole of the first open slot is hinged with the brush assembly through a pin shaft, and the slotted hole of the second open slot is hinged with the fixing plate through a pin shaft.

3. The torpedo car power supply system of claim 2 wherein the brush assembly and the stationary plate each have a locating pin, and the compression spring has one end fitted over the locating pin on the brush assembly and the other end fitted over the locating pin on the stationary plate.

4. The electric energy supply system of the torpedo car as set forth in claim 1, wherein at least two parallel swing arms are provided between the fixed plate and the support, the fixed plate, the swing arms and the support form a parallelogram mechanism, one end of each swing arm is hinged with the fixed plate, the other end of each swing arm is connected with a rotary plate, the rotary plate is rotatably connected with the support, and the swing arms drive the fixed plate to translate when swinging.

5. The torpedo car power supply system of claim 1 further comprising an extension spring, said extension spring being secured at one end to said support and at the other end to one of said swing arms.

6. The system of claim 1, wherein the ground power supply is further connected to a ground controller, the ground controller is configured to control the ground power supply to be turned on or off, the support is further provided with a position sensor, the position sensor is electrically connected to the ground controller, the position sensor is configured to transmit a swing signal of the swing arm to the ground controller, and the ground controller is configured to control the ground power supply to be turned on or off according to the received swing signal.

7. The torpedo car power supply system of claim 1, wherein said brush assembly comprises a backing plate having carbon brushes attached thereto for contacting said conductive trolley line, an insulating plate attached between said backing plate and said carbon brushes, and a copper carbon alloy plate attached between said insulating plate and said carbon brushes.

8. The torpedo car power supply system of claim 7, wherein said insulator plate and said carbon brush are connected by fasteners, said copper carbon alloy plate being compressed between said insulator plate and said carbon brush.

9. The torpedo car power supply system of claim 1 wherein an insulating assembly is connected between said support frame and said conductive trolley line.

10. The system of claim 1, wherein the support frame comprises a frame body and an adjusting member, the adjusting member is connected to the conductive trolley line, the frame body is connected to the adjusting member through a fastening bolt, an adjusting slot is formed in the frame body, the fastening bolt penetrates through the adjusting member and the adjusting slot at the same time and is locked by a nut, and the length of the adjusting slot is greater than the diameter of the fastening bolt.

Technical Field

The invention relates to the technical field of railway transportation equipment in the metallurgical industry, in particular to an electric energy supply system of a torpedo car.

Background

The torpedo car is mainly used for molten iron transportation between a blast furnace and steel making and is important equipment for steel making logistics. For each electrical equipment and mechanical actuator provide power supply on giving the torpedo tank car, generally need be equipped with the battery energy on the torpedo tank car, but the energy storage of battery is limited, needs regularly to change or charge by ground equipment, and the current charging of torpedo tank car is generally accomplished by artifical supplementary, need consume more human cost, and charging efficiency is lower, can't satisfy the demand of building "high-efficient humanized wisdom goods yard station".

Disclosure of Invention

The invention aims to provide an electric energy supply system of a torpedo car, which can realize automatic charging of the torpedo car, improve charging efficiency and save labor cost.

In order to solve the technical problems, the technical scheme provided by the invention is as follows:

the utility model provides a torpedo car electric energy supply system, includes on-vehicle current-collecting device and ground charging device, on-vehicle current-collecting device include with the support frame that the torpedo car is connected, be connected with electrically conductive wiping line on the support frame, electrically conductive wiping line with the last battery electricity of torpedo car is connected, ground charging device includes the brush subassembly of being connected with ground power electricity, the brush subassembly is connected on the fixed plate, the fixed plate passes through the swing arm and connects on the support, the one end of swing arm with the fixed plate is articulated mutually, but the wobbling connection of the other end is in on the support, when the torpedo car charges, electrically conductive wiping line with the contact of brush subassembly is realized just charging of battery on the torpedo car.

In one of them embodiment, but the brush subassembly through floating mechanism with the fixed plate is connected, but floating mechanism includes compression spring and connector, compression spring's one end with the brush subassembly is connected, the other end with the fixed plate is connected, connector one end is provided with first open slot, and the other end is provided with the second open slot, the opening orientation of first open slot and second open slot is mutually perpendicular, all be provided with the slotted hole on the lateral wall of first open slot and second open slot, the slotted hole of first open slot through the round pin axle with the brush subassembly is articulated mutually, the slotted hole of second open slot also through the round pin axle with the fixed plate is articulated mutually.

In one embodiment, the brush assembly and the fixing plate are both provided with positioning pins, one end of the compression spring is sleeved on the positioning pin on the brush assembly, and the other end of the compression spring is sleeved on the positioning pin on the fixing plate.

In one embodiment, at least two swing arms are arranged between the fixed plate and the support in parallel, the fixed plate, the swing arms and the support form a parallelogram mechanism, one end of each swing arm is hinged to the fixed plate, the other end of each swing arm is connected with a rotary disc, the rotary disc is rotatably connected to the support, and the swing arms drive the fixed plate to translate when swinging.

In one embodiment, the swing arm further comprises an extension spring, one end of the extension spring is fixed on the support, and the other end of the extension spring is fixed on one swing arm.

In one embodiment, the ground power supply is further connected with a ground controller, the ground controller is used for controlling the on-off of the ground power supply, the support is further provided with a position sensor, the position sensor is electrically connected with the ground controller, the position sensor is used for transmitting a swing signal of the swing arm to the ground controller, and the ground controller controls the on-off of the ground power supply according to the received swing signal.

In one embodiment, the brush assembly comprises a backing plate, a carbon brush used for being in contact with the conductive sliding contact line is connected to the backing plate, an insulating plate is connected between the backing plate and the carbon brush, and a copper-carbon alloy plate is connected between the insulating plate and the carbon brush.

In one embodiment, the insulating plate and the carbon brush are connected by a fastener, and the copper carbon alloy plate is compressed between the insulating plate and the carbon brush.

In one embodiment, an insulating assembly is connected between the support frame and the conductive trolley line.

In one embodiment, the support frame comprises a frame body and an adjusting part, the adjusting part is connected with the conductive sliding contact line, the frame body is connected with the adjusting part through a fastening bolt, an adjusting long groove is formed in the frame body, the fastening bolt penetrates through the adjusting part and the adjusting long groove at the same time and is locked by a nut, and the length of the adjusting long groove is larger than the diameter of the fastening bolt.

The invention has the following beneficial effects: the electric energy supply system of the torpedo car can realize the automatic charging of the torpedo car, greatly improve the charging efficiency, save a large amount of labor cost, and ensure that the charging process is safer and more economic.

Drawings

FIG. 1 is a schematic three-dimensional structure of the power supply system of the torpedo car of the present invention;

FIG. 2 is a front view of the torpedo car power supply system shown in FIG. 1;

FIG. 3 is a top plan view of the torpedo car power supply system shown in FIG. 2;

fig. 4 is a schematic three-dimensional structure diagram of the in-vehicle power receiving device shown in fig. 1;

fig. 5 is a schematic three-dimensional structure of the ground charging device shown in fig. 1;

fig. 6 is a front view of the ground charging apparatus shown in fig. 5;

FIG. 7 is a partial enlarged structural view at A in FIG. 5;

fig. 8 is a schematic three-dimensional structural diagram of the connecting head shown in fig. 5;

FIG. 9 is a schematic three-dimensional view of the brush assembly of FIG. 5;

FIG. 10 is a side view of the brush assembly shown in FIG. 9;

fig. 11 is a three-dimensional structure view of the fixing plate shown in fig. 5;

fig. 12 is a side view of the fixing plate shown in fig. 11;

FIG. 13 is a schematic three-dimensional view of the support base of FIG. 5;

FIG. 14 is a schematic view of the state of charge of the torpedo car power supply system of the present invention;

in the figure: 1. the vehicle-mounted power receiving device comprises a vehicle-mounted power receiving device 11, a support frame 111, a frame body 1111, an adjusting long groove 1112, a support rod 112, an adjusting piece 113, a fastening bolt 12, a conductive sliding contact line 13 and an insulating assembly;

2. the ground charging device comprises a ground charging device 21, a brush assembly 211, a positioning pin 212, a backing plate 213, an insulating plate 214, a carbon brush 215, a copper-carbon alloy plate 2151, a connecting end 2152, a round hole 22, a fixing plate 221, an ear plate 222, a double-lug connecting head 23, a swing arm 24, a support saddle 241, a limiting rod 242, an extension rod 243, a base 2431, a bottom plate 2432, an I-shaped steel 244, a rectangular pipe 245, a cover plate 246, a mounting plate 25, a floatable mechanism 251, a compression spring 252, a connecting head 2521, a first open slot 2522, a second open slot 2523, a long round hole 2524, a pin shaft 26, a rotary disc 27, an extension spring 28 and a position sensor.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

As shown in fig. 1-3, an electric energy supply system for a torpedo car comprises a vehicle-mounted power receiving device 1 and a ground charging device 2, wherein the vehicle-mounted power receiving device 1 comprises a support frame 11 connected with a chassis of the torpedo car, a conductive trolley line 12 is connected on the support frame 11, the conductive trolley line 12 is electrically connected with a storage battery on the torpedo car, the ground charging device 2 comprises a brush assembly 21 electrically connected with a ground power supply, the brush assembly 21 is connected on a fixing plate 22, the fixing plate 22 is connected on a support 24 through a swing arm 23, one end of the swing arm 23 is hinged with the fixing plate 22, the other end is swingably connected on the support 24 to enable the swing arm 23 to swing, so that the brush assembly 21 together with the fixing plate 22 can be moved, and when the torpedo car is charged, the contact between the conductive trolley line 12 and the brush assembly 21 realizes the charging of the storage battery on the torpedo car.

Because the conductive sliding contact line 12 and the electric brush component 21 on the torpedo car are in the process from initial contact to complete contact, the torpedo car is still in a moving state, at the moment, the position of the electric brush component 21 can be adapted to the position change of the torpedo car through the swing of the swing arm 23, the situation that the torpedo car is in greater impact on the electric brush when moving is avoided, meanwhile, the torpedo car can be effectively charged as long as the torpedo car is parked within a certain distance deviation of the ground charging device, and the problem that the charging cannot be carried out due to the deviation of the parking position is avoided.

In one embodiment, as shown in fig. 5-7, brush assembly 21 is coupled to fixed plate 22 by a floatable mechanism 25, the floatable mechanism 25 includes a compression spring 251 and a connection head 252, the compression spring 251 and the connection head 252 are both located between the brush assembly 21 and the fixed plate 22, one end of the compression spring 251 is connected to the brush assembly 21, the other end is connected to the fixed plate 22, as shown in fig. 8, one end of the connection head 252 is provided with a first opening slot 2521, the other end of the connection head is provided with a second opening slot 2522, openings of the first opening slot 2521 and the second opening slot 2522 are perpendicular to each other so that the brush assembly 21 can float in the up-down and left-right directions, the side walls of the first opening slot 2521 and the second opening slot 2522 are respectively provided with an elongated hole 2523, the elongated hole 2523 of the first opening slot 2521 is hinged to the brush assembly through a pin 2524, and the elongated hole 2523 of the second opening slot 2522 is hinged to the fixing plate 22 through another pin 2524.

The elongated hole 2523 is configured such that the pin 2524 is inserted into the elongated hole 2523 and can move in the elongated hole 2523, thereby ensuring a certain amount of compression of the compression spring 251.

The floatable mechanism 25 described above functions as follows: but brush subassembly 21 is at the in-process to the complete contact with wire wiping line 12 initial contact, but floating machanism 25 makes brush subassembly 21 float about can going on and realize certain compression volume to avoided the rigidity between electrically conductive wiping line 12 and the brush subassembly 21 to strike, all can play better guard action to electrically conductive wiping line 12 and brush subassembly 21, prevented to strike wearing and tearing.

In one embodiment, as shown in fig. 9 and 11, the positioning pins 211 are disposed on the brush assembly 21 and the fixing plate 22, and one end of the compression spring 251 is sleeved on the positioning pin 211 on the brush assembly 21, and the other end is sleeved on the positioning pin 211 on the fixing plate 22. Through the setting of locating pin 211, can carry out spacing to compression spring 251 for compression spring 251 can prevent it to buckle or slippage along this axial of locating pin 211.

Specifically, four positioning pins 211 may be disposed on the brush assembly 21 and the fixing plate 22, each positioning pin 211 on the brush assembly 21 corresponds to one positioning pin 211 on the fixing plate 22, the two positioning pins 211 are disposed oppositely to form a group, and one group of positioning pins corresponds to one compression spring 251.

In one embodiment, two brush assemblies 21 are connected to the fixing plate 22, two conductive trolley wires 12 are correspondingly disposed on the vehicle-mounted power receiving device 1, and each conductive trolley wire 12 corresponds to one brush assembly 21. The number of brush assemblies 21 and conductive trolley lines 12 can be adjusted to suit the particular power requirements.

In one embodiment, at least two swing arms 23 are arranged in parallel between the fixed plate 22 and the support 24, the fixed plate 22, the swing arms 23 and the support 24 form a parallelogram mechanism, one end of each swing arm 23 is hinged to the fixed plate 22, the other end of each swing arm 23 is connected to a rotary disc 26, the rotary disc 26 is rotatably connected to the support 24, and the swing arms 23 drive the fixed plate 33 to translate when swinging.

The parallelogram mechanism can ensure that the fixing plate 22 drives the electric brush component 21 to always keep linear translation, and can be well adapted to the running route of a torpedo car, so that the conductive sliding contact line 12 can be well ensured to be stably contacted with the electric brush component 21, and poor contact is avoided.

In addition, the swing arm 23 rotates through the rotary disk 26, and compared with the mode of directly adopting a simple pin shaft hinged connection, the mode of rotating is more stable, and deformation is not easy to occur in the long-term use process.

In one embodiment, as shown in fig. 11-12, an ear plate 221 is disposed on one side of the fixing plate 22, a circular hole is disposed on the ear plate 221, the circular hole is hinged to the connecting head 252 through a pin 2524, an ear plate 221 is also disposed on the brush assembly 21 for being hinged to the other end of the connecting head 252, a binaural connecting head 222 (composed of two parallel ear plates) is disposed on the other side of the fixing plate 22, and the binaural connecting head 222 is hinged to the swing arm 23 through a pin.

In one embodiment, the mounting plate 22 is I-shaped.

In one embodiment, the electric energy supply system further comprises an extension spring 27, one end of the extension spring 27 is fixed on the support 24, the other end of the extension spring 27 is fixed on one swing arm 23, the carbon brush 214 can be tightly pressed on the conductive trolley line 12 by the elastic force generated by the extension spring 27, so that the carbon brush and the conductive trolley line are always kept in close contact to ensure charging reliability, and the extension spring 27 can drive the swing arm 23 to rotate to the initial state after the torpedo car leaves the charging position after charging is finished.

In one embodiment, the support 24 and the swing arm 23 connected with the extension spring 27 are provided with hooks, one end of the extension spring 27 is hooked on the hook of the support 24, and the other end is hooked on the hook of the swing arm 23.

In one embodiment, the ground power supply is further connected with a ground controller, the ground controller can be arranged in an electrical cabinet, the ground controller is used for controlling the on-off of the ground power supply, the support 24 is further provided with a position sensor 28, the position sensor 28 is electrically connected with the ground controller, the position sensor 28 is used for detecting the swing of the swing arm 23 and transmitting a swing signal of the swing arm 23 to the ground controller, and the ground controller controls the on-off of the ground power supply according to the received swing signal.

The position sensor 28 may be a travel switch or a photoelectric switch, for example, as shown in fig. 2 and 6, when the photoelectric switch is used, the photoelectric switch may be disposed at a position on the support 24 below the swing arm 23, when the torpedo car approaches the charging position, the conductive trolley line 12 is in initial contact (not in full contact) with the carbon brush 214 of the brush assembly 21, and then the torpedo car continues to advance slowly until it is stable and reaches the charging position, the conductive trolley line 12 is in full contact with the carbon brush 214 of the brush assembly 21, in the above process, the movement of the conductive trolley line 12 causes the brush assembly 21 to drive the swing arm 23 to rotate, at this time, the photoelectric switch senses that the swing arm 23 rotates (senses that the swing arm leaves above the photoelectric switch) and sends the sensing signal to the ground controller, the ground controller controls the ground power supply to be turned on after receiving the sensing signal, thereby allowing the ground power supply to power the carbon brushes 214. When the torpedo tank car is charged and leaves the charging position, the swing arm 23 rotates to return to the initial position, the photoelectric switch senses the swing arm again and transmits the signal to the ground controller, and the ground controller disconnects the ground power supply after receiving the sensing signal.

Further, the ground controller is further connected to a time relay, when the conductive trolley line 12 is initially contacted (not completely contacted) with the carbon brush 214 of the brush assembly 21, the photoelectric switch senses the motion of the swing arm 23 and sends the sensing signal to the ground controller, and at this time, the ground controller controls the time relay to be turned on for delaying, for example, tens of seconds or one minute, so as to control the ground power supply to be turned on after the torpedo car continues to run until the conductive trolley line 12 is completely contacted with the carbon brush 214 of the brush assembly 21, so that the ground power supply supplies power to the carbon brush 214. With the arrangement of the time relay, it is ensured that charging is not started until the conductive trolley wire 12 is completely in contact with the carbon brush 414 of the brush assembly 21, and charging stability is better, wherein the charging state when the conductive trolley wire 12 is completely in contact with the carbon brush 414 of the brush assembly 21 is as shown in fig. 14.

In one embodiment, as shown in fig. 9 to 10, the brush assembly 21 includes a backing plate 212 for enhancing the overall strength of the brush assembly 21, a carbon brush 214 for contacting the conductive trolley wire 12 is connected to the backing plate 212, an insulating plate 213 is connected between the backing plate 212 and the carbon brush 214, and a copper-carbon alloy plate 215 is connected between the insulating plate 213 and the carbon brush 214 for connecting a wire connected to a ground power supply.

In one embodiment, one end of the copper carbon alloy plate 215 extends to the outside of the carbon brush 214 to form a connection end 2151, and a circular hole 2152 is formed in the connection end 2151 for passing a wire therethrough.

Further, a bending part is arranged on the connecting end 2152, and the round hole 2152 is formed in the bending part, so that the connection of the wires is facilitated.

In one embodiment, the insulating plate 213 and the carbon brush 214 are connected by a fastener, the copper carbon alloy plate 215 is compressed between the insulating plate 213 and the carbon brush 214, and the copper carbon alloy plate 215 is fixed by a compression method, so that the fixing is reliable and convenient.

In one embodiment, as shown in fig. 4, an insulating assembly 13 is connected between the supporting frame 11 and the conductive trolley line 12, so that the supporting frame 11 and the conductive trolley line 12 are insulated and isolated from each other to avoid electric leakage.

Further, the insulation assembly 13 includes a plurality of insulation posts.

In one embodiment, the support frame 11 comprises a frame body 111 and an adjusting part 112, the adjusting part 112 is connected with the conductive trolley line 12, the frame body 111 is connected with the adjusting part 112 through a fastening bolt 113, an adjusting elongated slot 1111 is arranged on the frame body 111, the fastening bolt 113 penetrates through the adjusting part 112 and the adjusting elongated slot 1111 and then is locked through a nut, the length of the adjusting elongated slot 1111 is larger than the diameter of the fastening bolt 113, so that the position of the fastening bolt 113 in the adjusting elongated slot 1111 can be adjusted, the distance between the conductive trolley line 12 and the brush assembly 21 can be adjusted, the deviation of the installation position of the support frame 11 on the torpedo tank car can be adapted, and the conductive trolley line 12 can be ensured to be in contact with the brush assembly 21.

Wherein, the adjusting member 112 can be angle steel.

In one embodiment, the dielectric assembly 13 is connected at one end to the actuator 112 and at the other end to the conductive trolley line 12.

In one embodiment, the upper end of the frame 111 is fixed to a chassis on the torpedo.

In one embodiment, the frame 111 further comprises a support rod 1112 arranged in an inclined manner to facilitate connection with a chassis of a torpedo car.

In one embodiment, as shown in fig. 1 and 13, a limiting rod 241 is disposed on the support 24, and the limiting rod 241 is used for abutting against the swing arm 23 when the swing arm 23 rotates to a set angle to limit the rotation of the swing arm 23. It can be understood that after the charging is completed and the torpedo car leaves, the swing arm 23 will rotate under the action of the extension spring 27 to restore the initial state, the limiting rod 241 is used for limiting the initial position (initial angle) of the swing arm 23, and when the swing arm 23 rotates to the limiting rod 241, the limiting rod 241 prevents the swing arm 23 from continuing to move and preventing the swing arm 23 from rotating excessively, so that the swing arm 23 stops at the position limited by the limiting rod 241.

Further, one end of the stopper bar 241 is provided with a screw portion, which is screw-coupled to the holder 24, and by adjusting the screwing depth of the screw portion, the protruding length of the stopper bar 241 can be adjusted, so that the initial limit angle of the swing arm 23 can be adjusted.

In one embodiment, an extension rod 242 is connected to the support 24 toward the fixing plate 22, a nut is fixed to the extension rod 242, and the nut is screwed with the threaded portion of the limiting rod 241.

In one embodiment, the support 24 includes a base 243, a plurality of rectangular tubes 244 are fixed on the base 243, the extension rod 242 is connected to one rectangular tube 244, the limiting rod 241 is connected to the extension rod 242, the mounting plate 246 is connected to the rectangular tube 244, and the rotary disk 26 is mounted on the mounting plate 246.

In one embodiment, a cover plate 245 is secured to the top of rectangular tube 244 to close the mouth of rectangular tube 244.

In one embodiment, the base 243 further includes a bottom plate 2431, and the rectangular tube 244 is connected to the upper portion of the bottom plate 2431, and the I-shaped steel 2432 is connected to the lower portion of the bottom plate 2431 to ensure the stability of the support 24.

The application method of the electric energy supply system of the torpedo car in the embodiment comprises the following steps: when charging is needed, the torpedo car is slowly driven to the position of the ground charging device 2, and when the torpedo car reaches the ground charging device 2, as shown in fig. 14, the conductive trolley line 12 of the vehicle-mounted power receiving device 1 on the torpedo car is in contact with the brush assembly 21 (carbon brush) of the ground charging device 2, and at the moment, the charging loop is connected to realize continuous and stable charging of the storage battery on the torpedo car; after charging, the torpedo car leaves the charging position, the swing arm 23 can automatically rotate to the initial position under the action of the extension spring 27, the conductive sliding contact line 12 and the brush assembly 21 (carbon brush) are separated to stop charging, and the charging task is waited for next time.

The electric energy supply system of the torpedo car realizes the charging of the torpedo car in a fixed place, and can ensure that the torpedo car is charged at a distance of +/-50 mm around the charging place and +/-50 mm at the left and right.

The electric energy supply system of the torpedo car can realize automatic charging of the torpedo car, unmanned automatic charging can be realized, charging efficiency is greatly improved, a large amount of labor cost is saved, and the charging process is safer and more economical.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.