WO2023041084A1

WO2023041084A1 - Vehicle-bearing platform for reducing friction in direction perpendicular to vehicle, and battery-swapping station

Info

Publication number: WO2023041084A1
Application number: PCT/CN2022/119728
Authority: WO
Inventors: 张建平; 陈新雨
Original assignee: 奥动新能源汽车科技有限公司; 上海电巴新能源科技有限公司
Priority date: 2021-09-17
Filing date: 2022-09-19
Publication date: 2023-03-23
Also published as: CN115817258A

Abstract

Disclosed in the present invention are a vehicle-bearing platform for reducing friction in a direction perpendicular to a vehicle, and a battery-swapping station. The vehicle-bearing platform comprises a platform body, a wheel-bearing device, and a drive mechanism, wherein a rolling component is provided on the platform body, the rolling component protrudes out from an upper surface of the platform body, and the rolling component is configured to be rollable in a direction perpendicular to a preset vehicle front-rear direction; the wheel-bearing device is located on the rolling component and used for bearing at least one wheel of a vehicle; and the drive mechanism is used for driving the wheel-bearing device to be in rolling fit with the rolling component to move in the direction perpendicular to the preset vehicle front-rear direction. The wheel-bearing device is driven by the drive mechanism to move, such that different models of vehicles can be positioned. Moreover, by means of the rolling component, the wheel-bearing device is moved with very little friction, which is very convenient for movement, and has high movement precision and accurately positions the vehicle.

Description

A vehicle-carrying platform and a power station for reducing friction in the vertical direction of the vehicle

This application claims the priority of Chinese patent application 2021110944940 with the filing date of 2021/9/17. This application cites the full text of the above-mentioned Chinese patent application.

technical field

The invention relates to a vehicle-carrying platform and a power exchange station which are convenient for reducing the frictional force in the direction perpendicular to the vehicle.

Background technique

The battery swap station is used to replace the battery of the electric vehicle. After the electric vehicle enters the vehicle-carrying platform of the battery-swapping station and is reliably positioned, the battery-swapping equipment will replace the battery of the electric vehicle. After the battery swap is completed, the electric vehicle will drive out of the vehicle-carrying platform.

The wheels of the vehicle will be docked on the wheel carrying device, and the wheels can be applied to different models to achieve reliable positioning through the adjustment of the position on the wheel carrying device. However, the wheel bearing devices are generally fixed on the vehicle-carrying platform, and the position adjustment is very inconvenient; even if the wheel-carrying device and the vehicle-carrying platform are connected by waist-shaped holes, the friction force is large during the movement, and the movement is very uncomfortable. Convenient, and the movement accuracy is poor, resulting in poor positioning accuracy of the vehicle.

Comparative documents CN109484367A and CN207274644U both disclose a battery exchange platform for electric vehicles. The driving direction is set as the X direction, and the vehicle width direction is the Y direction. The battery exchange platform includes: an X direction positioning unit and a Y direction positioning unit, wherein the X direction The positioning unit is used to determine the stop position of the incoming vehicle along the X direction; the Y direction positioning unit is used to adjust the position of the front and rear wheels along the Y direction for positioning in the Y direction; the X direction positioning unit includes grooves for supporting and positioning the wheels; , the front wheel push rod is driven by the front wheel push rod motor, and the rear wheel push rod is driven by the rear wheel push rod motor to push the front and rear wheels to move, thereby positioning the front and rear wheels in the Y direction, and the power exchange platform It also includes a first roller seat, on which the first roller can roll along with the movement of the wheel in the groove along the Y direction, and the power exchange platform also includes a second roller seat, on which the second roller can follow the wheel along the Y direction moving and scrolling. The wheel is used to roll and cooperate with the first roller and the second roller, so that when the wheel is adjusted to move in the Y direction, the friction force of the wheel is reduced, and this type of movement will cause friction loss to the wheel.

The reference document CN205997867U discloses a vehicle tire positioning device used in a power station. The tire positioning device includes a base plate and a guide column mounted on the base plate, a front wheel roller assembly, a front wheel alignment push rod, a rear wheel roller assembly and a rear wheel assembly. The wheel alignment push rod, the guide column is used to guide the car into the parking platform, and plays a role in the left and right rough positioning of the car that is driving in. The front wheel roller assembly and the rear wheel roller assembly enable the front and rear wheels of the car to It moves in the left and right directions, and the front wheel roller assembly is used to position the front wheels of the incoming car. The front wheel alignment push rod and the rear wheel alignment push rod are used to push the front wheel and rear wheel of the car The wheels move in the left and right directions, so that the car can be precisely positioned in the left and right directions. And this kind of moving form is in contact with the wheel, which will cause friction loss to the wheel.

Contents of the invention

The technical problem to be solved by the present invention is to provide a vehicle-carrying platform and a power exchange station that can reduce friction in the direction perpendicular to the vehicle to overcome the large friction when the existing wheels are loaded on the vehicle-carrying platform for position adjustment.

The present invention solves the above technical problems through the following technical solutions:

A vehicle-carrying platform for reducing friction in the direction perpendicular to the vehicle, which includes a platform body, a wheel bearing device and a driving mechanism, the platform body is provided with rolling parts, and the rolling parts are exposed on the upper surface of the platform body, And the rolling part is arranged to be able to roll along the vertical preset vehicle front-rear direction, the wheel carrying device is located on the rolling part and is used to carry at least one wheel of the vehicle, and the driving mechanism is used to drive the wheel carrying device, The wheel carrying device is rollingly fitted with the rolling member to move in a direction perpendicular to the preset vehicle front-rear direction.

In this solution, the above-mentioned structural form is used to drive the wheel bearing device to move along the vertical preset vehicle front and rear direction through the driving mechanism, so that the wheel bearing device can move along the vertical preset vehicle front and rear direction on the platform body and adjust the wheel bearing device on the platform. The specific position on the body, so that the parking position of the wheels of vehicles with different wheelbase sizes can be adjusted and the carrying vehicle can be accurately positioned, which has high flexibility, reduces the construction cost of the power station, and generally reduces the cost of battery replacement . At the same time, the rolling parts are rolled and matched to realize the movement of the wheel carrying device along the vertical preset vehicle front and rear direction. The friction force of the wheel carrying device is very small when moving through the rolling parts, and there will be no friction and loss to the wheels, so it is very convenient to move. High moving precision, realize precise positioning of the vehicle.

Preferably, the platform body has a guide hole extending perpendicular to the preset vehicle front-rear direction, one end of the driving mechanism is connected to the bottom of the platform body, the wheel carrying device passes through the guide hole and It is connected to the other end of the drive mechanism, and the wheel carrying device can move in the guide hole.

In this solution, the above-mentioned structure is adopted, and the guide hole has a guiding function. By moving the wheel bearing device in the guide hole, it is ensured that the wheel bearing device moves along the vertically preset front and rear direction of the vehicle, and the precise positioning of the wheel by the wheel bearing device is realized. Greatly improved the stability and reliability of the power station.

Preferably, the wheel carrying device includes a limiting component, a mounting plate and a supporting plate, the limiting component is arranged on the mounting plate, the bottom surface of the mounting plate is against the rolling component, and the supporting plate The upper and lower ends of the board are respectively connected to the installation board and the driving mechanism, and the support board is located in the guide hole and can move in the guide hole.

In this solution, the above-mentioned structural form is adopted, and the limiting parts and the support plate are respectively installed on the upper and lower sides of the mounting plate, so that the installation and connection of the wheel bearing device is very convenient; and the overall structural strength of the mounting plate is high, and the mounting plate leans against the Multiple rolling parts and moving on the rolling parts, high stability. At the same time, the support plate is arranged in the guide hole, so that the installation precision between the wheel bearing device and the platform body is high, and the offset and dislocation phenomenon of the wheel bearing device during the movement process is effectively avoided, which greatly improves the safety and stability of the power station .

Preferably, the limiting part includes two limiting parts, both of which are installed on the mounting plate, and the two limiting parts are respectively used to control the left and right sides of the wheels of the vehicle. The two movement tendencies to the right are limited, so that the wheels of the vehicle are limited between the two limiting members.

In this scheme, the above-mentioned structural form is adopted, and the two movement trends of the wheel to the left and the wheel to the right are respectively limited by two limiters, which effectively prevents the wheels of the vehicle from moving to the left and the wheels to the right, and realizes The precise positioning of the vehicle can effectively avoid the displacement of the vehicle during the battery replacement operation, which greatly improves the safety and stability of the battery replacement station.

Preferably, the wheel carrying device is used to limit the position of the wheel in the left-right direction.

In this solution, the above-mentioned structural form is used to make the left and right movement adjustment of the wheels to achieve precise positioning, so that the entire vehicle can be accurately docked on the vehicle-carrying platform, and precise positioning is more convenient, and when other wheels other than the wheel carrying device When the positioning is corrected, the wheel bearing device will limit the left and right position of the loaded wheel, which can realize the adjustment of the rotation direction of the wheel on the wheel bearing device, so that the direction of the vehicle will be corrected, which is more conducive to the stability of the battery replacement operation and greatly improves The safety and stability of the substation.

Preferably, the upper surface of the wheel carrying device is provided with rollers, rollers or balls that roll with the wheels.

In this solution, the above-mentioned structural form is adopted, which facilitates the movement and adjustment of the wheel on the wheel carrying device to realize precise positioning of the wheel, and has a simple structure and is convenient for installation and setting. At the same time, the wheel bearing device is positioned through rollers, rollers or balls to align with the azimuth of the wheel ground rolling device, so that the friction force of the wheel on the wheel bearing device is very small when it is aligned, and the correction is very convenient to achieve accurate positioning of the vehicle.

Preferably, the vehicle-loading platform further includes a wheel ground rolling device, the wheel ground rolling device is arranged on the platform body and is used to carry at least one wheel of the vehicle that is not placed on the wheel carrying device.

In this solution, by adopting the above-mentioned structural form, the wheels resting on the wheel ground rolling device can be moved and corrected on the wheel ground rolling device. In this way, the vehicle can be accurately docked, the precise positioning is more convenient, and it is more conducive to the stability of the battery replacement operation, which greatly improves the safety and stability of the battery replacement station.

Preferably, the wheel ground rolling device has rollers, rollers or balls.

In this solution, the above-mentioned structural form is adopted, which facilitates the movement of the wheels on the wheel ground rolling device, and facilitates the adjustment of the wheels to achieve precise positioning of the vehicle.

Preferably, the number of the rolling parts is multiple, and the multiple rolling parts are respectively located at both ends of the wheel bearing device and are arranged on the platform body at intervals along the direction perpendicular to the predetermined front-rear direction of the vehicle.

In this solution, the above-mentioned structural form is adopted, and the bottom surfaces of the two ends of the wheel bearing device are respectively supported by a plurality of rolling parts, so that the distance between the wheel bearing device and the plurality of rolling parts is ensured when the wheel carrier moves along the vertical preset vehicle front and rear direction. Stable contact and abutment, it is very convenient to realize the movement, and the movement precision is high.

Preferably, the rolling components are rollers or balls.

In this solution, the above-mentioned structural form is adopted, which is convenient for adjusting the wheel bearing device to realize precise positioning of the wheel, and has a simple structure and convenient installation and setting.

Preferably, the vehicle-carrying platform further includes a detection mechanism, and the detection value of the detection mechanism is changed through the movement of the wheel bearing device, so that the detection value is compared with the internal setting value of the detection mechanism It is used to control the closing of the driving mechanism, so as to stop the movement of the wheel carrying device.

In this solution, the above-mentioned structure is used to detect and control the wheel carrying device through the detection mechanism, so as to realize the precise control of the movement of the wheel carrying device, which greatly improves the safety and stability of the power station.

Preferably, the detection mechanism is an electronic ruler, one end of the electronic ruler is connected to the platform body, and the other end of the electronic ruler is connected to the wheel carrying device.

In this solution, the above-mentioned structural form is adopted, and the electronic ruler is used to realize high detection accuracy and high stability; and it is small in size, simple in structure, convenient in installation and setting, and low in cost.

Preferably, the detection mechanism is connected to the bottom of the platform body.

In this solution, the above-mentioned structural form is adopted, so that the detection mechanism does not occupy the space on the platform body, effectively avoids interference phenomenon, and is convenient for installation and setting.

Preferably, the driving mechanism includes an air cylinder, a hydraulic cylinder or an electric push rod.

In this solution, the above-mentioned structural form is adopted, so that a suitable driving mechanism can be selected according to space, cost, etc.; and it has the characteristics of simple structure, reliable operation, and easy installation and maintenance.

Preferably, the driving mechanism includes a hydraulic cylinder and a two-way control component, the two-way control component is connected to the hydraulic cylinder and is used to control filling or discharging oil into the hydraulic cylinder.

In this solution, the above-mentioned structural form is adopted, and the two-way control component will control the filling or discharging of oil in the hydraulic cylinder, so as to realize the extension or retraction of the driving mechanism, so that the extension or retraction of the driving mechanism has high precision, and then Realize precise control of the movement of the wheel carrying device and precise positioning of the wheels.

Preferably, the two-way control component includes a two-way switch, a first oil pipe and a second oil pipe, the two ends of the first oil pipe and the second oil pipe are respectively connected to the two-way switch and the hydraulic cylinder, and the The two-way switch is used to respectively control the switch of the first oil pipe and the second oil pipe, so as to realize oil filling or oil discharge in the hydraulic cylinder.

In this solution, the above-mentioned structural form is adopted, and the two-way switch is used to control oil filling or oil discharge in the hydraulic cylinder, which further improves the precise control of the hydraulic cylinder by the two-way control component; at the same time, the two-way switch is convenient for operation and control, and Simple structure.

Preferably, the vehicle-loading platform further includes a junction box, and the junction box is arranged at the bottom of the platform body.

In this solution, the above-mentioned structural form is adopted, so that the junction box and the wiring do not occupy the space on the platform body, effectively avoiding interference, and the installation is convenient.

Preferably, the vehicle-loading platform further includes a lifting mechanism, which is connected to the bottom of the platform body and used to lift the loaded vehicle.

In this solution, the above-mentioned structural form is adopted, and the vehicle parked on the vehicle-carrying platform is lifted upwards by the lifting mechanism, so that the space under the vehicle is increased, and it is convenient for the battery replacement equipment to enter under the vehicle and replace the battery on the vehicle. The replacement operation of the package greatly improves the safety and stability of the replacement station.

Preferably, the wheel supporting device is used to support the left rear wheel of the vehicle.

In this scheme, the above-mentioned structural form is adopted to make the movement adjustment of the left rear wheel realize the precise docking of the entire vehicle on the vehicle-carrying platform, which is more convenient for precise positioning, and is more conducive to the stability of the battery replacement operation, which greatly improves the safety of the battery replacement station. stability.

Preferably, the vehicle loading platform further includes a left front wheel positioning device for positioning the left front wheel of the vehicle.

In this solution, the above-mentioned structural form is adopted, since the parking position of the left front wheel is closest to the driver, it is more beneficial for the driver to drive the left front wheel of the vehicle onto the left front wheel positioning device when the vehicle drives into the vehicle platform. Therefore, through the movement of the wheel bearing device perpendicular to the preset vehicle direction, the rotation direction of the vehicle body can be corrected, and the entire vehicle can be accurately docked on the vehicle-carrying platform. The precise positioning is more convenient, and it is more conducive to the stability of the battery replacement operation, which greatly improves the battery replacement. The safety and stability of the power station.

A power exchange station includes the above-mentioned vehicle-carrying platform.

In this solution, the above-mentioned structural form is used to drive the wheel bearing device to move along the vertical preset vehicle front and rear direction through the driving mechanism, so that the wheel bearing device can move along the vertical preset vehicle front and rear direction on the platform body and adjust the wheel bearing device on the platform. The specific position on the body can adjust the parking position of the wheels of vehicles of different widths and realize precise positioning of the carrying vehicle, which has high flexibility, reduces the construction cost of the power station, and generally reduces the cost of battery replacement. At the same time, the rolling parts are rolled and matched to realize the movement of the wheel bearing device along the vertical preset vehicle front and rear direction. The friction force of the wheel bearing device is very small when moving through the rolling parts. .

On the basis of conforming to common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain preferred examples of the present invention.

The positive progress effect of the present invention is:

The vehicle-carrying platform and battery-swapping station of the present invention, which is convenient for reducing the frictional force perpendicular to the vehicle direction, drives the movement of the wheel-carrying device through the driving mechanism, so that it can be adjusted according to the parking position of the wheels of different vehicles, so that different types of vehicles can be positioned. At the same time, the frictional force of the wheel carrying device is very small when moving through the rolling parts, so that the movement is very convenient, the movement precision is high, and the precise positioning of the vehicle is realized.

Description of drawings

FIG. 1 is a schematic diagram of a vehicle-carrying platform of a battery swapping station according to an embodiment of the present invention.

Fig. 2 is a partial three-dimensional structural schematic diagram of a vehicle-carrying platform of a battery swapping station according to an embodiment of the present invention.

Fig. 3 is another perspective structural diagram of the vehicle-carrying platform of the power exchange station according to the embodiment of the present invention.

Fig. 4 is a front structural schematic view of the vehicle-carrying platform of the power exchange station according to the embodiment of the present invention.

Fig. 5 is a schematic rear view structural diagram of the vehicle-carrying platform of the power exchange station according to the embodiment of the present invention.

Fig. 6 is a schematic top view structural view of the vehicle-carrying platform of the power exchange station according to the embodiment of the present invention.

Fig. 7 is a schematic bottom view of the vehicle-carrying platform of the power exchange station according to the embodiment of the present invention.

Fig. 8 is a left view structural diagram of the vehicle-carrying platform of the power exchange station according to the embodiment of the present invention.

FIG. 9 is a schematic cross-sectional structural diagram along the A-A direction of FIG. 8 .

FIG. 10 is a schematic cross-sectional structure diagram along the B-B direction of FIG. 8 .

Fig. 11 is a structural schematic diagram of a platform body, a positioning plate and a driving mechanism of a vehicle-carrying platform of a battery swapping station according to an embodiment of the present invention.

Explanation of reference signs:

Platform body 1, rolling part 11, guide hole 12, wheel bearing device 2, limit part 21, limit part 211, mounting plate 22, support plate 23, driving mechanism 3, hydraulic cylinder 31, bidirectional control part 32, wheel ground Rolling device 4, left front wheel positioning device 5, detection mechanism 6, lifting mechanism 7, junction box 8.

Detailed ways

The present invention will be more clearly and completely described below by means of embodiments and in conjunction with the accompanying drawings, but the present invention is not limited to the scope of the embodiments.

As shown in FIGS. 1 to 11 , the battery swapping station in the embodiment of the present invention includes a vehicle-carrying platform. The swap station is used to replace the battery pack on the vehicle. The vehicle that needs to replace the battery pack drives into the vehicle-carrying platform and performs the battery pack replacement operation. After the battery pack is replaced, the vehicle will drive out of the vehicle-carrying platform.

The vehicle-carrying platform includes a platform body 1, a wheel bearing device 2 and a drive mechanism 3. The platform body 1 is provided with a rolling part 11, which is exposed on the upper surface of the platform body 1, and the rolling part 11 is arranged to be preset along the vertical direction. The vehicle rolls in the front and rear directions. The wheel bearing device 2 is located on the rolling member 11 and is used to carry at least one wheel of the vehicle. The driving mechanism 3 is used to drive the wheel bearing device 2 so that the wheel bearing device 2 and the rolling member 11 roll and cooperate to preset along the vertical direction. The vehicle moves forward and backward.

The wheel carrying device 2 is installed at the position where the wheels of the corresponding vehicle are parked. When the vehicle drives into the vehicle-carrying platform, the wheels of the vehicle will be parked on the wheel carrying device 2, and at least one of the vehicles can be carried by the wheel carrying device 2. wheel. The wheel supporting device 2 can be driven by the driving mechanism 3 to move along the vertical preset vehicle front and rear direction, so that the wheel supporting device 2 can move along the vertical preset vehicle front and rear direction on the platform body 1 and adjust the specific position of the wheel supporting device 2 on the platform body 1. Position, so that the wheel parking position of vehicles with different wheelbase sizes can be adjusted and the carrying vehicle can be accurately positioned, and the vehicle can also be moved left and right, which has high flexibility and reduces the construction cost of the power station. Reduced replacement costs. At the same time, the rolling parts 11 are rolled and fitted to realize the movement of the wheel carrying device 2 along the vertical preset vehicle front and rear direction. The friction force of the wheel carrying device 2 is very small when moving through the rolling parts 11, so that the movement is very convenient and the movement precision is high. Accurate positioning of vehicles.

The number of rolling parts 11 is multiple, and the multiple rolling parts 11 are respectively located at both ends of the wheel bearing device 2 and arranged on the platform body 1 at intervals along the vertical preset vehicle front-rear direction. The plurality of rolling parts 11 are respectively supported against the bottom surfaces of the two ends of the wheel carrying device 2, ensuring stable contact and abutment between the wheel carrying device 2 and the plurality of rolling parts 11 when moving along the vertical preset vehicle front and rear direction, and realizing The movement is very convenient and the movement precision is high. Wherein, the plurality of rolling parts 11 may also contact and abut against the periphery of the bottom of the wheel bearing device 2 . Certainly, the specific arrangement positions of the plurality of rolling members 11 may not be limited.

In this embodiment, the rolling member 11 is a roller. The axle of the roller is parallel to the direction of travel of the vehicle, and the roller will be able to roll along the vertical preset vehicle front-rear direction, and the roller will facilitate the movement of the wheel carrier 2 on the platform body 1 along the vertical preset vehicle front-rear direction, which is convenient for adjusting the wheel carrier 2. Accurate positioning of the wheels is realized, and the structure is simple, and the installation and setting are convenient.

In other embodiments, the rolling member 11 is a ball. The balls abut against the bottom surface of the wheel bearing device 2, which facilitates the movement of the wheel bearing device 2 on the platform body 1 along the vertical preset vehicle front and rear directions, and facilitates the adjustment of the wheel bearing device 2 to achieve precise positioning of the wheels, and the structure is simple and easy to install. Easy to set up.

In this embodiment, the platform body 1 has a guide hole 12 extending vertically in the front-rear direction of the vehicle, one end of the drive mechanism 3 is connected to the bottom of the platform body 1, and the wheel bearing device 2 passes through the guide hole 12 and is connected to the drive mechanism. 3, and the wheel carrying device 2 can move in the guide hole 12. The guide hole 12 has a guiding function, and the movement of the wheel bearing device 2 in the guide hole 12 ensures that the wheel bearing device 2 moves along the vertically preset vehicle front and rear direction, realizes the precise positioning of the wheel bearing device 2 on the wheels, and greatly improves the efficiency of the power exchange station. stability and reliability.

Wherein, the wheel carrying device 2 includes a limiting part 21, a mounting plate 22 and a supporting plate 23, the limiting part 21 is arranged on the mounting plate 22, the bottom surface of the mounting plate 22 is against the rolling part 11, and the upper and lower ends of the supporting plate 23 They are respectively connected to the mounting plate 22 and the driving mechanism 3 , and the supporting plate 23 is located in the guide hole 12 and can move in the guide hole 12 . Install the stopper 21 and the support plate 23 on the upper and lower sides of the mounting plate 22 respectively, so that the installation and connection of the wheel bearing device 2 is very convenient; 11 and move on rolling parts 11, with high stability. At the same time, the support plate 23 is arranged in the guide hole 12, so that the installation accuracy between the wheel bearing device 2 and the platform body 1 is high, and the offset and misalignment phenomenon of the wheel bearing device 2 during the movement is effectively avoided, greatly improving the performance of the replacement. The safety and stability of the power station.

The limiting part 21 comprises two limiting parts 211, and the two limiting parts 211 are installed on the mounting plate 22, and the two limiting parts 211 are respectively used to control the two movement tendencies of the wheels of the vehicle to the left and to the right. Limiting is performed so that the wheels of the vehicle are limited between the two limiting members 211 . Through the two limiters 211, the two movement trends of the wheel to the left and the wheel to the right are respectively limited, which effectively prevents the wheels of the vehicle from moving to the left and the wheels to the right, realizes precise positioning of the vehicle, and effectively prevents the vehicle from moving to the left and to the right. The vehicle shifts during the battery swap operation, which greatly improves the safety and stability of the swap station, so that the vehicle can move left and right through the wheel bearing device to correct the rotation direction of the body.

The vehicle-carrying platform also includes a wheel ground rolling device 4 , which is arranged on the platform body 1 and is used to carry at least one wheel of the vehicle that is not placed on the wheel supporting device 2 . The wheel ground rolling device 4 is arranged on the platform body 1 and is located at the parking position of the unplaced wheels of the vehicle. When the vehicle drives onto the vehicle-carrying platform, the wheels of the vehicle will be parked on the wheel bearing device 2 and the wheel ground rolling device 4 respectively, and the wheels will be driven by the wheel bearing device 2 to move to achieve precise positioning, and they will be parked on the wheel ground rolling device 4 The wheels will be able to carry out movement correction on the wheel ground rolling device 4. In this way, the vehicle can be accurately docked, the precise positioning is more convenient, and it is more conducive to the stability of the battery replacement operation, which greatly improves the safety and stability of the battery replacement station.

In one embodiment, there are rollers on the wheel ground rolling device 4 . The rollers will facilitate the movement of the wheels on the wheel ground rolling device 4, and facilitate the adjustment of the wheels to achieve precise positioning of the vehicle. Wherein, the roller can be arranged on the limiting component 21 and/or the mounting plate 22 . Of course, in this embodiment, the roller is arranged on the limiting part 21 and the supporting plate 23, and the mounting plate 22 is provided with a through hole, and the supporting plate 23 has a downwardly recessed mounting groove, and the roller is installed in the mounting groove through the through hole. Inside.

In another embodiment, the wheel ground rolling device 4 has rollers or balls. The rollers or balls will facilitate the movement of the wheels on the wheel ground rolling device 4, which is convenient for adjusting the wheels to achieve precise positioning of the vehicle, and has a simple structure and convenient installation and setting.

In this embodiment, there is one wheel supporting device 2 . The wheel supporting device 2 is used for carrying the left rear wheel of the vehicle. The wheel supporting device 2 is used to limit the position of the wheel in the left-right direction. The left and right direction position of the left rear wheel of the vehicle is limited by the wheel bearing device 2, so that the left and right movement of the left rear wheel is adjusted to achieve precise positioning, thereby realizing the precise parking of the entire vehicle on the vehicle-carrying platform, and the precise positioning is more accurate. It is convenient, and when the other wheels on the wheel supporting device 2 are positioned back to the right, the wheel supporting device 2 will limit the position of the wheel in the left and right direction, so that the adjustment of the rotation direction of the wheel on the wheel supporting device 2 can be realized, so that The direction of the vehicle is corrected, which is more conducive to the stability of the battery replacement operation, and greatly improves the safety and stability of the battery replacement station.

The vehicle-carrying platform also includes a left front wheel positioning device 5 for positioning the left front wheel of the vehicle. In the present embodiment, the number of the left front wheel alignment device 5 is one and is used to carry the left front wheel of the vehicle, and the number of the wheel ground rolling device 4 is two and is respectively used to carry the right front wheel and the right rear wheel of the vehicle. The wheel bearing device 2 is used to carry the left rear wheel of the vehicle, and the left front wheel positioning device 5 is arranged on the parking position of the left front wheel. Since the parking position of the left front wheel is closest to the driver, the vehicle will It is more conducive to the driver to drive the left front wheel of the vehicle onto the left front wheel alignment device 5, and the left rear wheel will be adjusted to move along the vertical preset vehicle direction through the wheel bearing device 2, which will drive the two wheels on the ground rolling device 4. The right front wheel and the right rear wheel move together, so as to realize the correction of the rotation direction of the vehicle body, realize the precise docking of the whole vehicle on the vehicle platform, more convenient precise positioning, and more conducive to the stability of the battery replacement operation, greatly improving the efficiency of the battery replacement station security and stability.

Of course, in other embodiments, the number and installation positions of the wheel alignment devices, wheel bearing devices 2 and wheel ground rolling devices 4 are not limited, and can be set accordingly according to specific needs.

The upper surface of the wheel carrying device 2 is provided with rollers, rollers or balls that roll and cooperate with the wheels. The roller, the roller or the ball abuts against the outer surface of the wheel, which facilitates the movement and adjustment of the wheel on the wheel bearing device 2 to realize the precise positioning of the wheel, and has a simple structure and is convenient for installation and setting. Simultaneously, the wheel carrying device 2 coordinates the azimuth alignment of the wheel ground rolling device 4 through the positioning of the limiter, so that the frictional force of the wheel on the wheel carrying device 2 is very small when it is aligned, and the correction is very convenient, realizing precise positioning of the vehicle.

The vehicle-carrying platform also includes a detection mechanism 6, and the detection value of the detection mechanism 6 is changed by the movement of the wheel bearing device 2, so that the detection value is compared with the internal setting value of the detection mechanism 6 for controlling the closing of the drive mechanism 3, so as to Realize that the wheel carrying device 2 stops moving. The vehicle-mounted platform can detect vehicles of different models and generate corresponding internal setting values on the detection mechanism 6 . Before the vehicle enters the wheel carrying device 2, the vehicle carrying platform detects different types of vehicles. After the left rear wheel of the vehicle enters the wheel carrying device 2, the opening of the driving mechanism 3 will be used to control the movement of the wheel carrying device 2. Through the wheel The movement of the carrying device 2 is to change the detection value of the detection mechanism 6, so that the detection value is compared with the internal setting value of the detection mechanism 6 to be used to control the closing of the drive mechanism 3, so as to realize that the wheel carrying device 2 stops moving, thereby realizing the load. Car platform for precise positioning of the vehicle.

For example, when the detection value is less than the internal setting value, the driving mechanism 3 will be used to control the wheel bearing device 2 to move along the forward direction of the vertical preset vehicle; when the detection value is greater than the internal setting value, the driving mechanism 3 will be used to Control the wheel carrying device 2 to move along the backward direction of the vertical preset vehicle; when the detection value is equal to the internal setting value, the detection mechanism 6 will send a signal and control the closing of the driving mechanism 3 to realize the wheel carrying device 2 to stop moving. The detection mechanism 6 is used to detect and control the wheel carrying device 2, so as to realize the precise control of the movement of the wheel carrying device 2, which greatly improves the safety and stability of the power station.

Wherein, the detection value of the detection mechanism 6 is changed by the movement of the wheel carrying device 2 , and the detection value may be resistance value, voltage value, pressure value, magnetic force value, thermal force value and the like.

The detection mechanism 6 is an electronic ruler, one end of the electronic ruler is connected to the platform body 1 , and the other end of the electronic ruler is connected to the wheel bearing device 2 . The fixed part of the electronic ruler can be connected to the platform body 1 , and the moving part is connected to the wheel bearing device 2 and moves along with the wheel bearing device 2 along the predetermined front and rear direction of the vehicle. The electronic ruler is used to achieve high detection accuracy and high stability; it is small in size, simple in structure, convenient in installation and setting, and low in cost.

The detection mechanism 6 is connected to the bottom of the platform body 1 . By arranging the detection mechanism 6 at the bottom of the platform body 1, the detection mechanism 6 does not occupy the space on the platform body 1, which effectively avoids interference and is convenient for installation and installation.

The driving mechanism 3 includes an air cylinder, a hydraulic cylinder 31 or an electric push rod. Therefore, an appropriate driving mechanism 3 can be selected according to space, cost, etc.; and it has the characteristics of simple structure, reliable operation, and easy installation and maintenance. Wherein, the driving mechanism 3 is located under the platform body 1 without occupying the space on the platform body 1, effectively avoiding interference phenomenon, and convenient for installation and setting.

The driving mechanism 3 includes a hydraulic cylinder 31 and a two-way control component 32 , the two-way control component 32 is connected to the hydraulic cylinder 31 and is used to control filling or discharging oil into the hydraulic cylinder 31 . The two-way control part 32 will control the filling or discharging of oil in the hydraulic cylinder 31, so as to realize the extension or retraction of the drive mechanism 3, so that the extension or retraction of the drive mechanism 3 has high precision, and then realizes precise control of the wheel carrying device 2 movement to achieve precise positioning of the wheels.

The two-way control part 32 comprises a two-way switch, a first oil pipe and a second oil pipe, and the two ends of the first oil pipe and the second oil pipe are connected to the two-way switch and the hydraulic cylinder 31 respectively, and the two-way switch is used to control the first oil pipe and the second oil pipe respectively. switch to realize oil filling or oil discharge in the hydraulic cylinder 31. The two-way switch is used to control oil filling or oil discharge in the hydraulic cylinder 31, which further improves the precise control of the hydraulic cylinder 31 by the two-way control part 32; meanwhile, the two-way switch is convenient for operation and control, and has a simple structure.

Vehicles entering the swap station will detect the vehicle model through the vehicle-carrying platform, and send the detected vehicle model to the detection mechanism 6, so that the corresponding internal set value will be generated inside the detection mechanism 6, and the detection mechanism 6 will The wheel carrying device 2 is controlled, and the detection mechanism 6 will be used to control the opening of the driving mechanism 3, so that the wheel carrying device 2 moves along the vertical preset vehicle front and rear direction, and after moving in place, the detection mechanism 6 will send a signal and control the driving mechanism 3 Closing, to realize that the wheel bearing device 2 stops moving. After the wheel carrying device 2 moves, the vehicle drives in, and the left front wheel enters the wheel carrying device 2 to make the positioning of the vehicle accurate. Or after the vehicle first drives into the wheel supporting device 2, the detection mechanism 6 will be used to control the opening of the driving mechanism 3, so that the wheel supporting device 2 moves and drives the wheels to move, thereby realizing precise positioning of the vehicle.

In this embodiment, the vehicle-carrying platform includes a left front wheel positioning device 5 for positioning the left front wheel of the vehicle. They are respectively arranged at the parking positions of the right front wheel and the right rear wheel of the vehicle. The vehicle first drives into the platform body 1, and the left front wheel of the vehicle drives into the left front wheel positioning device 5, the left rear wheel of the vehicle stops on the wheel bearing device 2, and the right front wheel and the right rear wheel of the vehicle stop respectively on the On the two wheel ground rolling devices 4, according to the vehicle model, the detection mechanism 6 will be used to control the opening of the driving mechanism 3 to make the wheel carrying device 2 move, and the left rear wheel will move with the wheel carrying device 2, thereby driving the right front The wheel and the right rear wheel are moved and adjusted on the two wheel ground rolling devices 4. After the wheel carrying device 2 is moved in place, the detection mechanism 6 will send a signal and control the closing of the driving mechanism 3, so as to realize that the wheel carrying device 2 stops moving, thereby Adjust vehicle position for precise positioning.

The vehicle-carrying platform also includes a lifting mechanism 7, which is connected to the bottom of the platform body 1 and used for lifting the loaded vehicle. In the process of replacing the battery pack of the vehicle at the battery swapping station, the battery swapping equipment needs to reach under the vehicle to replace the battery pack on the vehicle, and lift the vehicle parked on the vehicle-carrying platform upward through the lifting mechanism 7. The space under the vehicle is increased, which is convenient for the power exchange equipment to enter under the vehicle and replace the battery pack on the vehicle; When falling, the vehicle will be able to drive out of the vehicle-carrying platform, which greatly improves the safety and stability of the power station.

The vehicle-mounted platform also includes a junction box 8 , which is arranged at the bottom of the platform body 1 . By arranging the junction box 8 at the bottom of the platform body 1, the junction box 8 and the wiring do not occupy the space on the platform body 1, which effectively avoids interference and is convenient for installation.

Although the specific implementation of the present invention has been described above, those skilled in the art should understand that this is only an example, and the protection scope of the present invention is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and essence of the present invention, but these changes and modifications all fall within the protection scope of the present invention.

Claims

A vehicle-carrying platform for reducing friction in the direction perpendicular to the vehicle, characterized in that it includes a platform body, a wheel bearing device and a driving mechanism, the platform body is provided with rolling parts, and the rolling parts are exposed from the platform body the upper surface of the vehicle, and the rolling part is arranged to be able to roll along the vertical preset vehicle front-rear direction, the wheel carrying device is located on the rolling part and is used to carry at least one wheel of the vehicle, and the driving mechanism is used to drive the a wheel carrying device, the wheel carrying device is rolled and fitted with the rolling member to move along a direction perpendicular to the preset vehicle front-rear direction.
The vehicle-carrying platform according to claim 1, wherein the platform body has a guide hole extending perpendicularly to the front-rear direction of the preset vehicle, one end of the driving mechanism is connected to the bottom of the platform body, and The wheel bearing device passes through the guide hole and is connected to the other end of the driving mechanism, and the wheel bearing device can move in the guide hole.
The vehicle-carrying platform according to claim 2, wherein the wheel carrying device comprises a limiting component, a mounting plate and a supporting plate, the limiting component is arranged on the mounting plate, and the bottom surface of the mounting plate Against the rolling part, the upper and lower ends of the support plate are respectively connected to the installation plate and the driving mechanism, and the support plate is located in the guide hole and can move in the guide hole.
The vehicle-carrying platform according to claim 3, wherein the limiting component comprises two limiting pieces, both of which are installed on the mounting plate, and the two limiting pieces They are respectively used to limit the two movement tendencies of the wheels of the vehicle to the left and to the right, so that the wheels of the vehicle are limited between the two limiters.
The vehicle-carrying platform according to at least one of claims 1-4, wherein the wheel carrying device is used to limit the position of the wheel in the left-right direction.
The vehicle-carrying platform according to claim 5, wherein the upper surface of the wheel bearing device is provided with rollers, rollers or balls that roll with the wheels.
The vehicle-carrying platform according to at least one of claims 1-6, characterized in that, the vehicle-carrying platform further comprises a wheel ground rolling device, the wheel ground rolling device is arranged on the platform body and is used to carry at least A wheel of said vehicle not placed on said wheel carrier.
The vehicle-carrying platform according to claim 7, wherein the wheel ground rolling device has rollers, rollers or balls.
The vehicle-carrying platform according to at least one of claims 1-8, wherein the number of the rolling parts is multiple, and the multiple rolling parts are respectively located at both ends of the wheel bearing device and along the vertical The preset vehicles are arranged on the platform body at intervals in the front-rear direction.
The vehicle-loading platform according to claim 9, wherein the rolling components are rollers or balls.
The vehicle-carrying platform according to at least one of claims 1-10, characterized in that the vehicle-carrying platform further comprises a detection mechanism, and the detection value of the detection mechanism is changed by the movement of the wheel carrying device, so that The detection value is compared with the internal setting value of the detection mechanism to control the closing of the driving mechanism, so as to stop the movement of the wheel carrying device.
The vehicle-carrying platform according to claim 11, wherein the detection mechanism is an electronic ruler, one end of the electronic ruler is connected to the platform body, and the other end of the electronic ruler is connected to the wheel carrying device .
The vehicle-carrying platform according to claim 11 or 12, wherein the detection mechanism is connected to the bottom of the platform body.
The vehicle-carrying platform according to at least one of claims 1-13, wherein the driving mechanism includes an air cylinder, a hydraulic cylinder or an electric push rod.
The vehicle-carrying platform according to at least one of claims 1-14, characterized in that, the drive mechanism includes a hydraulic cylinder and a two-way control component, the two-way control component is connected to the hydraulic cylinder and is used to control the Fill or drain oil in the hydraulic cylinder.
The vehicle-mounted platform according to claim 15, wherein the two-way control component comprises a two-way switch, a first oil pipe and a second oil pipe, and the two ends of the first oil pipe and the second oil pipe are respectively connected to the The two-way switch and the hydraulic cylinder, the two-way switch is used to respectively control the switch of the first oil pipe and the second oil pipe, so as to realize oil filling or oil discharge in the hydraulic cylinder.
The vehicle-carrying platform according to at least one of claims 1-16, wherein the vehicle-carrying platform further comprises a junction box, and the junction box is arranged at the bottom of the platform body.
The vehicle-carrying platform according to at least one of claims 1-17, wherein the vehicle-carrying platform further comprises a lifting mechanism, the lifting mechanism is connected to the bottom of the platform body and is used for lifting and carrying Vehicles.
The vehicle-carrying platform according to at least one of claims 1-18, wherein the wheel supporting device is used to support the left rear wheel of the vehicle.
The vehicle-carrying platform according to claim 19, wherein the vehicle-carrying platform further comprises a left front wheel positioning device for positioning the left front wheel of the vehicle.
A power station, characterized in that it comprises the vehicle-carrying platform according to any one of claims 1-20.