CN111469708A - An electric vehicle swap station - Google Patents

Abstract

The invention relates to an electric vehicle power exchange station, comprising: a vehicle positioning device; a battery power exchange device, wherein the battery power exchange device comprises: a bracket; a lift seat, which is vertically slidably installed on the bracket; The sliding seat, the sliding seat is slidably installed on the lifting seat; the second power unit, drives the sliding of the sliding seat; the rotating seat, the rotating seat is rotatably installed on the sliding seat; the third power unit, drives the rotation of the rotating seat; the battery There are two battery receiving seats, and the two battery receiving seats are slidably installed on both ends of the rotating seat; the fourth power device drives the sliding of the battery receiving seats; the battery grabbing mechanism is slidably installed on the two battery receiving seats. a battery receiving seat; a fifth power device, which drives the battery grabbing mechanism to slide; a battery placing rack. After adopting such a scheme, the battery replacement of the electric vehicle can be conveniently completed, replacing labor, and the efficiency is high.

Description

An electric vehicle swap station

technical field

The invention relates to an electric vehicle swap station.

Background technique

In the process of automatically replacing the battery of a car, it is usually necessary to locate the car first. During the positioning process, it usually involves the steering of the car, that is, adjusting the driving direction of the car. In the prior art, some guide marks are usually made on the ground, and the driver adjusts the driving direction of the car by observing the guide marks. However, the problem with this method is that errors will inevitably occur due to the observation based on the human eye. The driving direction of the car is not accurate enough, which affects the subsequent positioning, and thus causes the battery replacement work to be unable to proceed normally. At the same time, in order to obtain more accurate guidance, the driver needs to repeatedly adjust and try repeatedly, which is relatively inconvenient.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide an electric vehicle replacement station, which can conveniently complete the battery replacement of the electric vehicle, replace labor, and has high efficiency.

In order to solve the above-mentioned technical problems, the technical solutions provided by the present invention are as follows:

An electric vehicle power exchange station, comprising: a vehicle positioning device; a battery power exchange device, the battery power exchange device is located on one side of the automobile positioning device, the battery power exchange device comprises: a bracket; The seat is vertically slidably installed on the bracket; the first power device is used to drive the lifting and lowering of the lifting seat; the sliding seat, the sliding seat is slidably installed on the lifting seat; the second power device is used to drive Sliding of the sliding seat; a rotating seat, which is rotatably mounted on the sliding seat; a third power device for driving the rotation of the rotating seat; a battery receiving seat, which is provided with two two of the battery receiving seats are slidably installed on both ends of the rotating seat; a fourth power device is used to drive the sliding of the battery receiving seats; a battery grabbing mechanism, the battery grabbing mechanism is provided with two The two battery grabbing mechanisms are respectively slidably installed on the two battery receiving bases; a fifth power device is used to drive the battery grabbing mechanisms to slide; side of the bracket.

Preferably, the battery grabbing mechanism includes: a bottom plate, a first motor, a driving block, a driving rod, a connecting rod, a guide plate, a clamping block and a buckle, the bottom plate is slidably connected with the battery receiving seat, and the first A motor is installed on the base plate, the guide plate is fixed on the base plate, and guide holes are provided at both ends of the guide plate; the drive block is fixed on the output shaft of the first motor; the There are two driving rods, one end of the driving rod is rotatably connected with the driving block, and the connecting part of the driving rod and the driving block is spaced apart from the output shaft of the first motor, and the connecting rod is is rotatably connected with the other end of the drive rod, the connecting rod is fitted in the guide hole, the clamping block is connected with the connecting rod, and the clamping block is slidably connected with the guide plate; The buckle is used to cooperate with the clamping block.

Preferably: the fifth power device comprises: a second motor, a gear and a rack, the rack is mounted on the battery receiving seat, the second motor is fixed on the bottom plate, the gear is fixed on the On the output shaft of the second motor, the gear is matched with the rack.

Preferably: the edge of the battery receiving seat is provided with rollers, and the rollers are provided with a plurality of rollers, and the plurality of rollers are arranged at intervals along the sliding direction of the battery grabbing mechanism; both sides of the front end of the battery receiving seat A positioning rod is provided.

Preferably, the vehicle positioning device comprises: an inclined table, a placing table, a front wheel positioning assembly, a guide rod and a rear wheel positioning assembly, the rear wheel positioning assembly, the guide rod, and the front wheel positioning assembly are arranged along the The placement platforms are arranged in sequence; there are two guide rods, and the two guide rods are arranged in parallel and spaced apart; the front wheel positioning assembly and the rear wheel positioning assembly both include a wheel pushing assembly and a roller assembly, and the roller The assembly is provided with two groups, the two groups of roller assemblies are located on both sides of the wheel pushing assembly, and the two groups of the roller assemblies are located on both sides of the guide rod, wherein the roller assemblies in the front wheel positioning assembly The rollers in the combination form the positioning groove.

Preferably, the wheel push assembly includes a drive assembly and a push block, there are two push blocks, and the two push blocks slide toward the drum assembly under the action of the drive assembly.

Preferably: the drive assembly includes a third motor, a fixed plate, a first transmission assembly and a second transmission assembly, the first transmission assembly is provided with two groups, and the first transmission assembly includes a rotating shaft, a lead screw and a lead screw The rotating shaft and the lead screw are rotatably mounted on the fixing plate, the rotating shaft and the lead screw are connected, the lead screw nut is fitted on the lead screw, and the push block is fixed on the lead screw. On the screw nut, the push block and the fixing plate are slidably connected, the second transmission assembly is connected between the third motor and the rotating shaft, and the third motor is driven by the second transmission assembly the rotation of the shaft.

Preferably: the second transmission assembly includes a transmission wheel, a transmission belt and a transmission shaft, the transmission shaft is fixed on the rotating shaft in the two sets of the first transmission assembly, the transmission wheel is provided with two, two The transmission wheels are respectively fixed on the drive shaft of the motor and the rotating shaft, and the transmission belt is matched with the two transmission wheels.

Preferably, the roller assembly includes a roller, the roller is rotatably connected to the placing table, the top of the roller is located on the surface of the placing table, the roller is provided with a plurality of rollers, and a plurality of the rollers are at least The rollers are arranged in a row, and the rollers in each row are arranged in parallel; in the roller assembly of the front wheel positioning assembly, a plurality of the rollers are arranged in two rows, and the rollers in the first row and the rollers in the second row are arranged in parallel. The ends of the rollers that are close to each other are inclined downward, and the two rows of the rollers are arranged in a V-shape.

Preferably: the vehicle positioning device further includes a support mechanism, the support mechanism is provided with two groups, the two groups of support mechanisms are located between the two guide rods, and the support mechanism includes a lifting assembly and a support plate, so The lift assembly is connected to the support plate for driving the support plate to move up and down.

The beneficial effects of the present invention are: after the electric vehicle is positioned by the vehicle positioning device, one of the battery receiving seats slides and approaches the electric vehicle under the action of the fourth power device, and then the battery grabbing mechanism approaches under the action of the fifth power device the battery and grab the battery, the fifth power device prompts the battery grabbing mechanism to drag the battery to the battery receiving seat, and the battery receiving seat returns to its original position, so that the empty battery is removed; The battery receiving seat and the battery grabbing mechanism at the other end also use the same steps to remove the full battery from the battery storage rack; then the rotating seat is rotated, so that the positions of the two battery receiving seats are exchanged, and the battery receiving seat with the full battery is placed. Approaching the electric vehicle, then the battery grabbing mechanism pushes the full battery into the electric vehicle under the action of the fifth power unit, and the battery receiving seat with the empty battery placed is close to the battery placement rack, and then the battery grabbing mechanism is in the fifth power unit. Under the action of the power device, the empty battery is pushed into the battery placement rack; in this way, the battery replacement of the electric vehicle is completed, replacing labor, and the efficiency is high. At the same time, the sliding seat drives the rotating seat to slide horizontally, and the lifting seat drives the rotating seat to rise and fall, so that the full battery can be easily removed from any position on the battery storage rack, or the empty battery can be placed on the battery storage rack. any location on the .

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments:

1 is a schematic structural diagram of an embodiment of an electric vehicle swap station according to the present invention;

FIG. 2 is a partial structural schematic diagram 1 of an embodiment of an electric vehicle swapping station according to the present invention;

3 is a second partial structural schematic diagram of an embodiment of an electric vehicle swapping station according to the present invention;

FIG. 4 is a partial structural schematic diagram 3 of an embodiment of an electric vehicle swapping station according to the present invention;

FIG. 5 is a schematic diagram 4 of the partial structure of the embodiment of the electric vehicle swapping station according to the present invention;

FIG. 6 is a schematic diagram 5 of the partial structure of the embodiment of the electric vehicle swapping station according to the present invention;

7 is a schematic structural diagram of the battery receiving seat and the battery grabbing mechanism in the embodiment;

8 is a schematic structural diagram 1 of a battery grabbing mechanism;

FIG. 9 is a second structural schematic diagram of the battery grabbing mechanism;

Figure 10 is a large enlarged view at A in Figure 9;

FIG. 11 is a schematic diagram of the partial structure of the battery grabbing mechanism;

Fig. 12 is an enlarged view at B in Fig. 11;

Figure 13 is an enlarged view at C in Figure 11;

14 is a schematic structural diagram of a battery grabbing mechanism and a fifth power unit;

15 is a schematic structural diagram of a buckle and a battery in an embodiment;

16 is a schematic structural diagram 1 of the vehicle positioning device in the embodiment;

17 is a second structural schematic diagram of the vehicle positioning device in the embodiment;

18 is a schematic structural diagram of the wheel pushing assembly in the embodiment;

Figure 19 is a schematic structural diagram of the support mechanism in the embodiment;

FIG. 20 is a schematic structural diagram of the roller assembly in the embodiment.

in:

1. Automobile positioning device; 11. Inclined table; 12. Placing table; 13. Front wheel positioning assembly; 14. Guide rod; 15. Rear wheel positioning assembly; 131. Wheel push assembly; 1311. Push block; ; 1313, fixed plate; 1314, shaft; 1315, lead screw; 1316, lead screw nut; 1317, drive wheel; 1318, drive belt; 1319, drive shaft; 132, roller assembly; 16, support mechanism; 161, lift assembly; 162. Support plate;

2. Battery replacement device; 21. Bracket; 22. Lifting seat; 23. Sliding seat; 24. Rotating seat; 25. Battery receiving seat; 251. Roller; 252. Positioning rod; 26. Battery grabbing mechanism; Bottom plate; 262, first motor; 263, drive block; 264, drive rod; 265, connecting rod; 266, guide plate; 2661, guide hole; 2662, guide sleeve; 267, clip; 268, buckle; 27, battery placement rack; 28, second motor; 29, gear; 30, rack; 31, guide rail;

3, the battery.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

In the description of the present invention, it should be understood that "upper", "lower", "left", "right", "front", "rear", "vertical", "bottom", "inside", " The orientation and positional relationship indicated by "outside" are based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, so as to The specific orientation configuration and operation are therefore not to be construed as limitations of the present invention.

As shown in Figure 1 to Figure 20,

Example 1:

An electric vehicle swap station, comprising:

car positioning device 1;

A battery swapping device 2, the battery swapping device 2 is located on one side of the vehicle positioning device 1, and the battery swapping device 2 includes:

bracket 21;

a lift seat 22, the lift seat 22 is vertically slidably mounted on the bracket 21;

a first power device, used to drive the lifting seat 22 to rise and fall;

a sliding seat 23, the sliding seat 23 is slidably mounted on the lifting seat 22;

The second power device is used to drive the sliding of the sliding seat 23;

a rotating seat 24, the rotating seat 24 is rotatably mounted on the sliding seat 23;

a third power device for driving the rotation of the rotating base 24;

Two battery receiving seats 25 are provided, and the two battery receiving seats 25 are slidably installed on both ends of the rotating seat 24;

the fourth power unit, used to drive the sliding of the battery receiving seat 25;

a battery grabbing mechanism 26, there are two battery grabbing mechanisms 26, and the two battery grabbing mechanisms 26 are respectively slidably installed on the two battery receiving seats 25;

a fifth power device, used to drive the battery grabbing mechanism 26 to slide;

A battery placement rack 27 , the battery placement rack 27 is located on one side of the bracket 21 .

In this way, after the electric vehicle is positioned by the vehicle positioning device 1, one of the battery receiving seats 25 slides and approaches the electric vehicle under the action of the fourth power device, and then the battery grabbing mechanism 26 approaches under the action of the fifth power device The battery 3 is removed, and the battery 3 is grasped. The fifth power device prompts the battery grasping mechanism 26 to drag the battery 3 to the battery receiving seat 25, and the battery receiving seat 25 returns to its original position, thus removing the empty battery 3. The battery receiving seat 25 and the battery grabbing mechanism 26 installed on the other end of the rotating seat 24 also take the same steps to remove the full battery 3 from the battery placing rack 27; then the rotating seat 24 rotates so that the two battery receiving seats The positions of 25 are reversed, the battery receiving seat 25 with the full battery 3 is placed close to the electric vehicle, and then the battery grabbing mechanism 26 pushes the full battery 3 into the electric vehicle under the action of the fifth power unit, and the empty battery is placed. The battery receiving seat 25 of 3 is close to the battery placement rack 27, and then the battery grabbing mechanism 26 pushes the empty battery 3 into the battery placement rack 27 under the action of the fifth power device; in this way, the electric vehicle is completed. Battery replacement, instead of labor, is more efficient. At the same time, the sliding base 23 drives the rotating base 24 to slide laterally, and the lifting base 22 drives the rotating base 24 to rise and fall. In this way, the full battery 3 can be easily removed from any position on the battery storage frame 27, or the empty state can be removed. The battery 3 is placed anywhere on the battery placement rack 27 .

In addition, the battery grabbing mechanism 26 includes: a bottom plate 261, a first motor 262, a driving block 263, a driving rod 264, a connecting rod 265, a guide plate 266, a clamping block 267 and a buckle 268. The bottom plate 261 is connected to the The battery receiving seat 25 is slidably connected, the first motor 262 is mounted on the bottom plate 261, the guide plate 266 is fixed on the bottom plate 261, and the two ends of the guide plate 266 are provided with guide holes 2661; The driving block 263 is fixed on the output shaft of the first motor 262; there are two driving rods 264, one end of the driving rod 264 is rotatably connected to the driving block 263, and the driving rod 264 is connected to the The connecting part of the driving block 263 is spaced apart from the output shaft of the first motor 262 , the connecting rod 265 is rotatably connected to the other end of the driving rod 264 , and the connecting rod 265 is fitted in the guide hole 2661 Inside, the clamping block 267 is connected with the connecting rod 265 , and the clamping block 267 is slidably connected with the guide plate 266 ; the buckle 268 is used to cooperate with the clamping block 267 . Specifically, the guide plate 266 is provided with a guide sleeve 2662, and the locking block 267 is slidably matched with the guide sleeve 2662. Specifically, the battery receiving seat 25 is provided with a guide rail 31 , and the bottom plate 261 is slidably connected to the guide rail 31 .

In this way, the clip 268 is installed on the battery 3, when the battery 3 is grasped, the battery receiving seat 25 slides close to the battery 3 on the electric vehicle under the action of the fourth power device, and then the battery grasping mechanism 26 is in the first place. Under the action of the five power devices, it slides along the battery receiving seat 25. When the clamping block 267 is close to the battery 3, the first motor 262 drives the driving block 263 to rotate, the driving rod 264 rotates, and the rotation of the driving rod 264 drives the connecting rod 265 to guide the There is sliding in the hole 2661, the sliding of the connecting rod 265 drives the sliding of the clamping block 267, the clamping block 267 is inserted into the buckle 268, and then the fifth power unit drives the battery grabbing mechanism 26 to return to its original position, and the battery 3 is pulled from the electric vehicle. out to the battery receiving seat 25 , thus completing the grasping of the battery 3 , and the fifth power device can also prompt the battery grasping mechanism 26 to push the battery 3 into the battery placing rack 27 or the electric vehicle.

In addition, the fifth power unit includes: a second motor 28 , a gear 29 and a rack 30 , the rack 30 is mounted on the battery receiving seat 25 , and the second motor 28 is fixed on the bottom plate 261 Above, the gear 29 is fixed on the output shaft of the second motor 28 , and the gear 29 is matched with the rack 30 .

In this way, the second motor 28 drives the gear 29 to rotate. Since the gear 29 cooperates with the rack 30, the gear 29 slides along the rack 30, thereby driving the second motor 28 to slide, and the second motor 28 drives the bottom plate 261 to slide.

In addition, the edge of the battery receiving seat 25 is provided with rollers 251, and the rollers 251 are provided with a plurality of rollers 251, and the plurality of rollers 251 are arranged at intervals along the sliding direction of the battery grabbing mechanism 26; the battery receiving Positioning rods 252 are provided on both sides of the front end of the seat 25 .

In this way, the battery 3 slides on the roller 251 , and the friction between the battery 3 and the roller 251 is small, so the sliding is smoother. At the same time, a positioning hole is provided on the vehicle or the battery storage rack 27, and the positioning rod 252 is inserted into the positioning hole, thereby realizing the positioning between the battery receiving seat 25 and the vehicle or the battery storage rack 27, and the battery grabbing mechanism 26 can be more accurate. Grab battery 3.

Embodiment 2:

In this embodiment, the vehicle positioning device 1 includes: an inclined table 11, a placing table 12, a front wheel positioning assembly 13, a guide rod 14 and a rear wheel positioning assembly 15, the rear wheel positioning assembly 15, the guide rod 14. The front wheel positioning assemblies 13 are arranged in sequence along the placing table 12; there are two guide rods 14, and the two guide rods 14 are arranged in parallel and spaced apart; the front wheel positioning assembly 13 and the Each of the rear wheel alignment assemblies 15 includes a wheel push assembly 131 and a roller assembly 132. The roller assemblies 132 are provided with two groups. The two groups of the roller assemblies 132 are located on both sides of the wheel push assembly 131. The assemblies 132 are located on both sides of the guide rod 14 , wherein the rollers in the roller assembly 132 in the front wheel positioning assembly 13 are combined to form positioning grooves.

In this way, the vehicle travels along the guide rod 14. Since the rollers in the roller assembly 132 in the front wheel positioning assembly 13 are combined to form a positioning groove, after the current wheel position drives into the positioning groove, the driver can easily perceive that the car stops moving forward. The front wheel is positioned in the positioning groove, so that the front and rear orientation of the vehicle is positioned. At this time, the rear wheel is positioned in the roller assembly 132 in the rear wheel positioning assembly 15. Then, the wheel pushing assembly 131 pushes the front wheel and the rear wheel in The roller assembly 132 slides up, causing the car to slide laterally, thereby positioning the two sides of the car, so that the positioning of the car front, back, left and right is conveniently completed, and the positioning is relatively accurate.

In addition, the wheel push assembly 131 includes a drive assembly and a push block 1311. There are two push blocks 1311, and the two push blocks 1311 slide toward the roller assembly 132 under the action of the drive assembly. .

In this way, the driving assembly pushes the push block 1311 to slide toward the drum assembly 132, so that the wheel slides on the drum assembly 132, and finally completes the positioning.

In addition, the drive assembly includes a third motor 1312, a fixing plate 1313, a first transmission assembly and a second transmission assembly, the first transmission assembly is provided with two groups, and the first transmission assembly includes a rotating shaft 1314, a lead screw 1315 and a screw nut 1316, the rotating shaft 1314 and the screw 1315 are rotatably mounted on the fixing plate 1313, the rotating shaft 1314 is connected with the screw 1315, and the screw nut 1316 is fitted on the screw On the rod 1315, the push block 1311 is fixed on the screw nut 1316, the push block 1311 and the fixing plate 1313 are slidably connected, and the second transmission assembly is connected to the third motor 1312 and the Between the rotating shafts 1314, the third motor 1312 drives the rotating shaft 1314 to rotate through the second transmission assembly.

In this way, the third motor 1312 drives the rotating shaft 1314 to rotate through the second transmission assembly, the rotation of the rotating shaft 1314 drives the rotation of the lead screw 1315, the rotation of the lead screw 1315 drives the sliding of the lead screw nut 1316, and the sliding of the lead screw nut 1316 drives the pusher Sliding of block 1311.

In addition, the second transmission assembly includes a transmission wheel 1317, a transmission belt 1318 and a transmission shaft 1319, the transmission shaft 1319 is fixed on the rotating shaft 1314 in the two sets of the first transmission assembly, and the transmission wheel 1317 is provided There are two, the two transmission wheels 1317 are respectively fixed on the drive shaft of the third motor 1312 and the rotating shaft 1314 , and the transmission belt 1318 is matched with the two transmission wheels 1317 .

In this way, the third motor 1312 drives the rotation of the transmission wheel 1317 installed on the output shaft of the third motor 1312, the rotation of the transmission wheel 1317 drives the transmission of the transmission belt 1318, and then drives the rotation of the transmission wheel 1317 on the rotating shaft 1314, thereby Drive the rotation of the rotating shaft 1314 .

In addition, the roller assembly 132 includes a roller, the roller is rotatably connected with the placing table 12, and the top of the roller is located on the surface of the placing table 12, the roller is provided with a plurality of, and a plurality of all The rollers are arranged in at least one row, and the rollers in each row are arranged in parallel; in the roller assembly 132 of the front wheel positioning assembly 13, a plurality of the rollers are arranged in two rows, and the rollers in the first row are arranged in parallel. The ends close to each other with the rollers in the second row are inclined downward, and the rollers in the two rows are arranged in a V-shape.

This way, when the wheel is on the drum, the wheel will slide easily as the drum rolls. At the same time, the rollers in the roller assembly 132 form positioning grooves. When the wheels are located in the positioning grooves, the wheels will not roll freely under the action of external force.

In addition, the vehicle positioning device 1 further includes a support mechanism 16. The support mechanism 16 is provided with two groups. The two groups of the support mechanism 16 are located between the two guide rods 14. The support mechanism 16 includes a lifting mechanism. An assembly 161 and a support plate 162, the lifting assembly 161 is connected with the support plate 162 to drive the support plate 162 to rise and fall.

In this way, the lift assembly 161 promotes the support plate 162 to rise up and support the bottom of the car, thereby fixing the car and preventing the random movement of the car from affecting the positioning accuracy.

In a word, the above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the present invention. within the scope of protection.

Claims (10)

1. The utility model provides an electric automobile trades power station which characterized in that includes:

an automotive positioning device;

the battery replacing device is positioned on one side of the automobile positioning device and comprises:

a support;

the lifting seat is vertically and slidably mounted on the bracket;

the first power device is used for driving the lifting seat to lift;

the sliding seat is slidably arranged on the lifting seat;

the second power device is used for driving the sliding seat to slide;

the rotating seat is rotatably arranged on the sliding seat;

the third power device is used for driving the rotation of the rotating seat;

the two battery receiving seats are arranged and are slidably mounted at two ends of the rotating seat;

the fourth power device is used for driving the sliding of the battery receiving seat;

the battery grabbing mechanisms are arranged in two numbers, and the two battery grabbing mechanisms are respectively installed on the two battery receiving seats in a sliding mode;

the fifth power device is used for driving the battery grabbing mechanism to slide;

the battery placing frame is positioned on one side of the support.

2. The electric vehicle power exchanging station of claim 1, wherein: the battery gripping mechanism includes: the battery receiving seat is arranged on the base plate, the first motor is arranged on the base plate, the guide plate is fixed on the base plate, and guide holes are formed in two ends of the guide plate; the driving block is fixed on an output shaft of the first motor; the two driving rods are arranged, one end of each driving rod is rotatably connected with the corresponding driving block, the connecting part of each driving rod and the corresponding driving block is arranged at an interval with the output shaft of the corresponding first motor, the connecting rod is rotatably connected with the other end of each driving rod, the connecting rod is matched in the corresponding guide hole, the fixture block is connected with the corresponding connecting rod, and the fixture block is slidably connected with the corresponding guide plate; the buckle is used for being matched with the clamping block.

3. The electric vehicle power exchanging station as claimed in claim 2, wherein: the fifth power unit includes: the battery receiving seat is arranged on the base plate, the rack is arranged on the battery receiving seat, the second motor is fixed on the base plate, the gear is fixed on an output shaft of the second motor, and the gear is matched with the rack.

4. The electric vehicle power exchanging station of claim 1, wherein: the edge of the battery receiving seat is provided with a plurality of rollers, and the rollers are arranged at intervals along the sliding direction of the battery grabbing mechanism; positioning rods are arranged on two sides of the front end of the battery receiving seat.

5. The electric vehicle charging station according to any one of claims 1 to 5, characterized in that: the car positioner includes: the device comprises an inclined table, a placing table, a front wheel positioning assembly, a guide rod and a rear wheel positioning assembly, wherein the rear wheel positioning assembly, the guide rod and the front wheel positioning assembly are sequentially arranged along the placing table; the number of the guide rods is two, and the two guide rods are arranged in parallel at intervals; the front wheel positioning assembly and the rear wheel positioning assembly respectively comprise wheel pushing assemblies and roller assemblies, two groups of roller assemblies are arranged on the roller assemblies, the two groups of roller assemblies are located on two sides of the wheel pushing assemblies, the two groups of roller assemblies are located on two sides of the guide rod, and rollers in the roller assemblies in the front wheel positioning assemblies are combined to form positioning grooves.

6. The electric vehicle power exchanging station as claimed in claim 7, wherein: the wheel pushing assembly comprises a driving assembly and two pushing blocks, and the two pushing blocks slide towards the roller assembly under the action of the driving assembly.

7. The electric vehicle power exchanging station as claimed in claim 7, wherein: the drive assembly includes third motor, fixed plate, first drive assembly and second drive assembly, first drive assembly is provided with two sets ofly, first drive assembly includes pivot, lead screw and screw-nut, the pivot with the lead screw rotates to be installed on the fixed plate, the pivot with the lead screw is connected, the screw-nut cooperation is in on the lead screw, the ejector pad is fixed screw-nut is last, the ejector pad with fixed plate sliding connection, the second drive assembly is connected the third motor with between the pivot, the third motor passes through the drive of second drive assembly the rotation of pivot.

8. The electric vehicle power exchanging station as claimed in claim 7, wherein: the roller assembly comprises a plurality of rollers, the rollers are rotatably connected with the placing table, the tops of the rollers are positioned on the surface of the placing table, the rollers are arranged in at least one row, and the rollers in each row are arranged in parallel; in the roller assembly of the front wheel positioning assembly, a plurality of rollers are arranged in two rows, one ends, close to each other, of the rollers in the first row and the rollers in the second row incline downwards, and the rollers in the two rows are arranged in a V shape.

9. The electric vehicle power exchanging station as claimed in claim 7, wherein: the second transmission assembly comprises two transmission wheels, two transmission belts and two transmission shafts, the transmission shafts are fixed on the rotating shafts in the two groups of first transmission assemblies, the two transmission wheels are respectively fixed on the driving shaft of the motor and the rotating shafts, and the transmission belts are matched on the two transmission wheels.

10. The electric vehicle power exchanging station as claimed in claim 9, wherein: the automobile positioning device further comprises a supporting mechanism, the supporting mechanism is provided with two groups, the two groups of supporting mechanisms are located between the two guide rods, the supporting mechanism comprises a lifting assembly and a supporting plate, and the lifting assembly is connected with the supporting plate and used for driving the supporting plate to lift.

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