WO2023041085A1

WO2023041085A1 - Vehicle-bearing platform for reducing friction in direction of vehicle, and battery-swapping station

Info

Publication number: WO2023041085A1
Application number: PCT/CN2022/119729
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: CN115817257A

Abstract

Disclosed in the present invention are a vehicle-bearing platform for reducing friction in the direction of a vehicle, and a battery-swapping station. The vehicle-bearing platform comprises a platform body, a wheel-positioning 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 preset vehicle front-rear direction; the wheel-positioning device is located on the rolling component and is used for positioning at least one wheel of a borne vehicle; and the drive mechanism is used for driving the wheel-positioning device to be in rolling fit with the rolling component in order to move in the preset vehicle front-rear direction. The movement of the wheel-positioning device is driven by the drive mechanism, such that different models of vehicles can be positioned. The rolling component allows the wheel-positioning device to move with very little friction, so that movement is very convenient and movement precision is high, and the vehicle can be precisely positioned.

Description

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

This application claims the priority of Chinese patent application 2021110943168 with a 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 of 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 electric vehicle will be positioned and docked on the wheel positioning device. By adjusting the position of the wheel positioning device on the vehicle platform, it can be applied to different models to achieve reliable positioning. However, the wheel alignment device is generally fixed on the vehicle platform, and the position adjustment is very inconvenient; even if the wheel alignment device is connected with the vehicle platform by a waist-shaped hole, 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 for electric vehicles.

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 with the first roller and the second roller, so that when the wheel is adjusted to move in the Y direction, the friction of the wheel is reduced. However, this type of movement can only move the vehicle in the left and right directions, causing rolling friction to the wheel. The wheels cause frictional losses.

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 can only move the left and right directions of the vehicle, and contact with the wheels, causing rolling friction to the wheels and causing friction loss to the wheels.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the large friction when the existing wheels are positioned on the vehicle-carrying platform, and to provide a vehicle-carrying platform and a power exchange station that are convenient for reducing friction in the direction of the vehicle.

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

A vehicle-carrying platform for reducing friction in the direction of the vehicle, which includes a platform body, a wheel positioning 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 configured to be able to roll along the preset vehicle front-rear direction, the wheel positioning device is located on the rolling part and is used to position at least one wheel of the carrying vehicle, and the driving mechanism is used to drive the wheel positioning device , causing the wheel positioning device to roll and cooperate with the rolling member to move along a preset vehicle front-rear direction.

In this solution, the above-mentioned structural form is adopted, and the wheel positioning device can be driven to move along the preset vehicle front and rear direction through the driving mechanism, so that the wheel positioning device can move along the preset vehicle front and rear direction on the platform body and adjust the wheel positioning device on the platform body Therefore, it is possible to adjust the parking position of the wheels of vehicles with different wheelbase sizes and realize the precise positioning of the vehicle position, which has high flexibility, reduces the construction cost of the battery swap station, and generally reduces the battery swap cost. At the same time, the rolling parts are used to move the wheel positioning device along the preset front and rear direction of the vehicle. The friction force of the wheel positioning device is very small when moving through the rolling parts, and there will be no friction and wear on 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 along the preset vehicle front-rear direction, one end of the driving mechanism is connected to the bottom of the platform body, and the wheel positioning device passes through the guide hole and is connected to the The other end of the drive mechanism, and the wheel positioning device can move in the guide hole.

In this solution, the above-mentioned structural form is adopted, and the guide hole has a guiding function, which ensures that the wheel positioning device moves along the preset vehicle front and rear direction, realizes the precise positioning of the wheel by the wheel positioning device, and greatly improves the stability and reliability of the power station.

Preferably, the wheel positioning device includes a positioning assembly, a mounting plate and a positioning plate, the positioning assembly is arranged on the mounting plate, the bottom surface of the mounting plate is against the rolling member, and the positioning plate The upper and lower ends are respectively connected to the installation plate and the driving mechanism, and the positioning plate 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 positioning component and the positioning plate are respectively installed on the upper and lower sides of the mounting plate, so that the installation and connection of the wheel positioning device is very convenient; and the overall structural strength of the mounting plate is high, and the mounting plate is against multiple A rolling part and move on the rolling part, high stability. At the same time, the positioning plate is set in the guide hole, so that the installation accuracy between the wheel positioning device and the platform body is high, and the offset and dislocation phenomenon of the wheel positioning device during the movement is effectively avoided, which greatly improves the safety and stability of the power station .

Preferably, the positioning assembly includes two limiting blocks, both of which are installed on the mounting plate, and the two limiting blocks are respectively used to adjust the forward and lateral directions of the wheels of the vehicle. The last two movement trends are limited, so that the wheels of the vehicle are limited between the two limit blocks;

And/or, the positioning assembly includes two positioning pieces, both of which are mounted on the mounting plate, and the two positioning pieces are respectively used to align the wheels of the vehicle to the left and to the right. A movement trend is limited so that the wheels of the vehicle are limited between the two positioning members.

In this solution, the above-mentioned structural form is adopted to realize precise positioning of the vehicle, and 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 positioning device locates a wheel, and the wheel positioning device is used to limit the front-rear direction position and/or the left-right direction position of the wheel.

In this solution, the above-mentioned structural form is adopted to achieve precise positioning of one wheel, and the other three wheels will be moved and corrected, so that the entire vehicle can be accurately parked on the vehicle-carrying platform, and precise positioning is more convenient and more conducive to battery replacement operations. The stability has greatly improved the safety and stability of the power station.

Preferably, the upper surface of the wheel alignment 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 wheels on the wheel positioning device to realize precise positioning of the wheels, and has a simple structure and is convenient for installation and setting. At the same time, the wheel positioning device uses rollers, rollers or balls to position and align the matching azimuth, so that the friction force of the wheel on the wheel positioning device is very small when the wheel is aligned, and the correction is very convenient to achieve accurate positioning of the vehicle.

Preferably, the vehicle-carrying platform further includes a wheel ground rolling device, the wheel ground rolling device is arranged on the platform body and is used to carry the unpositioned wheels of the vehicle.

In this solution, the above-mentioned structural form is adopted, and the wheels parked on the wheel ground rolling device can be moved and corrected on the wheel ground rolling device, so as to realize precise parking of the vehicle, more convenient precise positioning, and more conducive to the stability of the battery replacement operation. Improve the safety and stability of the power 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, there are multiple rolling parts, and the multiple rolling parts are respectively located at both ends of the wheel positioning device and arranged on the platform body at intervals along the preset vehicle front-rear direction.

In this solution, the above-mentioned structural form is adopted, and the bottom surfaces of the two ends of the wheel positioning device are respectively supported by a plurality of rolling parts, so as to ensure the stability between the wheel positioning device and the multiple rolling parts when moving along the preset vehicle front and rear direction It is very convenient to realize the movement due to contact and abutment, and the movement precision is high.

Preferably, the rolling components are rollers or balls.

In this solution, the above-mentioned structural form is adopted to facilitate the adjustment of the wheel positioning device to realize precise positioning of the wheels, and the structure is simple, and the installation and setting are convenient.

Preferably, the vehicle-loading platform further includes a detection mechanism, and the detection value of the detection mechanism is changed through the movement of the wheel positioning 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 alignment device.

In this solution, the above-mentioned structure is used to detect and control the wheel alignment device through the detection mechanism, so as to realize the precise control of the movement of the wheel alignment 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 alignment 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 positioning device, and realize 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 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 alignment device is used to support 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 conducive for the driver to drive the left front wheel of the vehicle onto the wheel alignment device when the vehicle drives into the vehicle-carrying platform, so that the vehicle Precise positioning is more convenient.

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

In this solution, the above-mentioned structural form is adopted, and the wheel positioning device can be driven by the driving mechanism to move along the preset vehicle front and rear directions, so that the parking position of the wheels of different vehicles can be adjusted and the precise positioning can be realized, which has high flexibility and reduces The construction cost of the power station is reduced, and the cost of power replacement is generally reduced. At the same time, the frictional force of the wheel positioning 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.

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 the exchange station for reducing the frictional force in the vehicle direction of the present invention drive the movement of the wheel positioning 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 positioning 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 structural schematic diagram of a vehicle-carrying platform of a power exchange station according to an embodiment of the present invention.

Fig. 3 is a front structural schematic diagram of a vehicle-carrying platform of a battery swapping station according to an embodiment of the present invention.

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

FIG. 5 is a schematic cross-sectional structure diagram along the A-A direction of FIG. 4 .

FIG. 6 is a schematic cross-sectional structure diagram along the B-B direction of FIG. 4 .

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

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

Fig. 9 is a structural schematic diagram of a platform body, a positioning plate and a driving mechanism of a vehicle-mounted platform of a battery swapping station according to an embodiment of the present invention.

Explanation of reference signs:

Platform body 1, rolling parts 11, guide holes 12, wheel positioning device 2, positioning assembly 21, limiting block 211, positioning piece 212, mounting plate 22, positioning plate 23, driving mechanism 3, hydraulic cylinder 31, two-way control component 32 , Wheel ground rolling device 4, detection mechanism 5, lifting mechanism 6.

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 Fig. 1 to Fig. 9, the power exchange station according to 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-mounted platform includes a platform body 1, a wheel positioning 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 able to move along the preset vehicle. Rolling in the front and rear directions, the wheel positioning device 2 is located on the rolling member 11 and is used to position at least one wheel of the carrying vehicle. Let the vehicle move forward and backward.

The wheel alignment 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 alignment device 2, and the precise positioning is realized by the wheel alignment device 2. The wheel alignment device 2 is driven by the drive mechanism 3 to move along the preset vehicle front-rear direction, so that the wheel alignment device 2 can move along the preset vehicle front-rear direction on the platform body 1 and adjust the specific position of the wheel alignment device 2 on the platform body 1, In this way, the parking position of the wheels of vehicles with different wheelbase sizes can be adjusted and the precise positioning of the vehicle position can be realized, and the front and rear movement of the whole vehicle can also be realized, which has high flexibility and reduces the construction cost of the power station. Reduced replacement costs. Simultaneously, the rolling member 11 rolls and cooperates to realize that the wheel alignment device 2 moves along the preset vehicle front and rear direction, and the frictional force of the wheel alignment device 2 is very small when moving through the rolling member 11, so that the movement is very convenient and the movement precision is high, and the vehicle alignment is realized. precise positioning.

In this embodiment, there are multiple rolling parts 11, and the multiple rolling parts 11 are respectively located at both ends of the wheel alignment device 2 and arranged on the platform body 1 at intervals along the preset vehicle front-rear direction. A plurality of rolling parts 11 are respectively supported against the bottom surfaces of both ends of the wheel alignment device 2, which ensures stable contact and abutment between the wheel alignment device 2 and the plurality of rolling parts 11 when moving along the preset vehicle front-rear direction, and realizes movement. It is very convenient and moves with high precision.

In this embodiment, the rolling member 11 is a roller. The wheel shaft of the roller is perpendicular to the direction of vehicle travel, and the roller will be able to roll along the preset vehicle front and rear direction, and the wheel alignment device 2 will be beneficial to move along the preset vehicle front and rear direction on the platform body 1 through the roller, so as to facilitate the adjustment of the wheel alignment device 2 to realize alignment. The parking position adjustment of the wheels of vehicles with different wheelbase sizes and the precise positioning of the wheels are simple in structure and convenient in installation and setting.

In other embodiments, the rolling member 11 can also be a ball. The balls abut against the bottom surface of the wheel alignment device 2, which facilitates the movement of the wheel alignment device 2 on the platform body 1 along the preset front and rear directions of the vehicle, and facilitates the adjustment of the wheel alignment device 2 to realize the adjustment of the parking position of the wheels of vehicles with different wheelbase sizes As well as the precise positioning of the wheels, the structure is simple, and the installation and setting are convenient.

In this embodiment, the platform body 1 has a guide hole 12 extending along the preset vehicle front and rear direction, one end of the drive mechanism 3 is connected to the bottom of the platform body 1, and the wheel alignment device 2 passes through the guide hole 12 and is connected to the drive mechanism 3 The other end of the wheel alignment device 2 can move in the guide hole 12. The guide hole 12 has a guiding function, and the wheel alignment device 2 moves in the guide hole 12, which ensures that the wheel alignment device 2 moves along the preset vehicle front and rear direction, realizes the precise positioning of the wheel by the wheel alignment device 2, and greatly improves the safety of the power station. Stable and reliable.

Wherein, the wheel alignment device 2 includes a positioning assembly 21, a mounting plate 22 and a positioning plate 23, the positioning assembly 21 is arranged on the mounting plate 22, the bottom surface of the mounting plate 22 is against the rolling member 11, and the upper and lower ends of the positioning plate 23 are respectively connected The positioning plate 23 is located in the guide hole 12 and can move in the guide hole 12 . The positioning assembly 21 and the positioning plate 23 are respectively installed on the upper and lower sides of the mounting plate 22, so that the installation and connection of the wheel positioning device 2 is very convenient; And move on the rolling parts 11, the stability is high. At the same time, the positioning plate 23 is arranged in the guide hole 12, so that the installation accuracy between the wheel positioning device 2 and the platform body 1 is high, and the offset and dislocation phenomenon of the wheel positioning device 2 during the movement is effectively avoided, greatly improving the speed of the wheel positioning device. The safety and stability of the power station.

The positioning assembly 21 includes two limiting blocks 211, both of which are installed on the mounting plate 22, and the two limiting blocks 211 are respectively used to control the two movement tendencies of the wheels of the vehicle forward and backward. Limit, so that the wheel of the vehicle is limited between two limit blocks 211 . The two limit blocks 211 respectively limit the two movement trends of the wheels forward and backward, effectively avoiding the forward and backward movement of the wheels of the vehicle, realizing the precise positioning of the vehicle, and effectively avoiding The vehicle shifts during electric operation, which greatly improves the safety and stability of the power station.

The positioning assembly 21 includes two positioning pieces 212, both of which are installed on the mounting plate 22, and the two positioning pieces 212 are respectively used to limit the two movement tendencies of the wheels of the vehicle to the left and to the right, Such that the wheels of the vehicle are limited between the two positioning members 212 . The two positioning parts 212 respectively limit the two movement trends of the wheel to the left and the wheel to the right, effectively avoiding the movement of the vehicle's wheels to the left and to the right, realizing precise positioning of the vehicle, and effectively avoiding The vehicle shifts during operation, which greatly improves the safety and stability of the power station.

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 the unpositioned wheels of the vehicle. The wheel ground rolling device 4 is arranged on the platform body 1 and is located at the parking position of the unpositioned wheels of the vehicle. When the vehicle drives onto the vehicle-carrying platform, the wheels of the vehicle will be parked on the wheel positioning device 2 and the wheel ground rolling device 4 respectively, and the wheels will be positioned by the wheel positioning device 2 without moving, and the wheels will be parked on the wheel ground rolling device 4. The wheels of the device 4 will be able to perform movement correction on the wheel ground roll 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.

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, the wheel positioning device 2 positions one wheel, and the wheel ground rolling device 4 is used to carry three wheels. The wheel alignment device 2 is used to limit the front-rear direction position and/or the left-right direction position of the wheel. The movement trend of one wheel of the vehicle is limited by the wheel positioning device 2, so as to realize precise positioning of this wheel, and the other three wheels will be corrected for movement on the wheel ground rolling device 4. In this way, the entire vehicle can be precisely parked 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 safety and stability of the battery replacement station.

Wherein, there is one wheel alignment device 2 and it is used to carry the left front wheel of the vehicle. There are three wheel ground rolling devices 4 and they are respectively used to carry the right front wheel and two rear wheels of the vehicle. The wheel alignment device 2 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, it is more beneficial for the driver to drive the left front wheel of the vehicle into the wheel alignment when the vehicle enters the vehicle loading platform. On the device 2, it is more convenient to realize precise positioning of the vehicle. Certainly, in other embodiments, the quantity and installation positions of the wheel alignment device 2 and the wheel ground rolling device 4 may not be limited, and may be set accordingly according to specific needs.

In one embodiment, the upper surface of the wheel alignment device 2 is provided with rollers, rollers or balls that roll with the wheels. The wheel of the vehicle will be positioned and parked on the wheel alignment device 2 and will be in contact with the mounting plate 22, the two spacer blocks 211 and the two positioning pieces 212. The positioning member 212 is provided with rollers, rollers or balls that roll and cooperate with the wheels, and the rollers, rollers or balls abut against the outer surface of the wheels, which facilitates the movement and adjustment of the wheels on the wheel positioning device 2 to achieve precise positioning of the wheels, and Simple structure, convenient installation and setting. At the same time, one wheel is parked on the wheel alignment device 2, and the other three wheels will be moved and corrected by the wheel ground rolling device 4. , so that the friction force is very small when the wheels on the wheel alignment device 2 are aligned, the correction is very convenient, and the precise positioning of the vehicle is realized.

In this embodiment, the vehicle-loading platform also includes a detection mechanism 5, and the detection value of the detection mechanism 5 is changed by the movement of the wheel alignment device 2, so that the detection value is compared with the internal setting value of the detection mechanism 5 for controlling the driving The closing of mechanism 3 is to realize that wheel alignment device 2 stops moving. The vehicle-mounted platform can detect vehicles of different models and generate corresponding internal setting values on the detection mechanism 5 . Before the vehicle enters the wheel alignment device 2, the vehicle-carrying platform detects different types of vehicles. The opening of the drive mechanism 3 will be used to control the movement of the wheel alignment device 2, and the detection value of the detection mechanism 5 will be changed by the movement of the wheel alignment device 2. , so that the detection value is compared with the internal setting value of the detection mechanism 5 to control the closing of the drive mechanism 3, so as to stop the movement of the wheel alignment device 2, thereby realizing the precise positioning of the vehicle by the wheel alignment device 2.

For example, the model of the vehicle is detected, and the setting detection value is adjusted according to the wheelbase size corresponding to the vehicle model to the setting value of the vehicle model. When the detection value is less than the internal setting value, the driving mechanism 3 will be used to control the wheel alignment device 2. Move along the forward direction of the preset vehicle; when the detected value is greater than the internal set value, the drive mechanism 3 will be used to control the wheel alignment device 2 to move along the preset backward direction of the vehicle; when the detected value is equal to the internal set value, The detection mechanism 5 will send a signal and control the closing of the drive mechanism 3, so as to realize that the wheel alignment device 2 stops moving. The detection mechanism 5 is used to detect and control the wheel positioning device 2, so as to realize precise control of the movement of the wheel positioning device 2, and greatly improve the safety and stability of the battery swapping station.

Wherein, the detection value of the detection mechanism 5 is changed by the movement of the wheel alignment device 2, and the detection value may be a resistance value, a voltage value, a pressure value, a magnetic value, a thermal value, and the like.

The detection mechanism 5 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 alignment 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 alignment device 2 and moves along with the wheel alignment 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.

In this embodiment, the detection mechanism 5 is connected to the bottom of the platform body 1 . By arranging the detection mechanism 5 at the bottom of the platform body 1, the detection mechanism 5 does not occupy the space on the platform body 1, effectively avoids interference phenomenon, and is convenient to install and arrange.

The driving mechanism 3 includes an air cylinder, a hydraulic cylinder 31 or an electric push rod. Therefore, a suitable 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.

In this embodiment, 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 for controlling oil filling or oil discharge in 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 driving mechanism 3, so that the extension or retraction of the driving mechanism 3 has high precision, and then realize the precise control of the wheel alignment 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 5, so that the corresponding internal set value will be generated inside the detection mechanism 5, and the wheel will be detected by the detection mechanism. The positioning device 2 is controlled, and the detection mechanism 5 will be used to control the opening of the driving mechanism 3, so that the wheel positioning device 2 moves along the preset vehicle front and rear direction. After the movement is in place, the detection mechanism 5 will send a signal and control the closing of the driving mechanism 3 , to realize that the wheel alignment device 2 stops moving. After the movement of the wheel alignment device 2 is completed, the vehicle drives in, and the left front wheel enters the wheel alignment device 2 to make the vehicle positioning accurate; Make the wheel alignment device 2 move back and forth according to the vehicle model, thereby driving other wheels to move, adjusting the vehicle position to realize precise positioning.

In this embodiment, the vehicle-loading platform further includes a lifting mechanism 6, which is connected to the bottom of the platform body 1 and used to lift the loaded vehicle. In the process of replacing the battery pack of the vehicle by the power exchange station, the power exchange equipment needs to be extended under the vehicle to replace the battery pack on the vehicle, and the vehicle parked on the vehicle-carrying platform is lifted up by the lifting mechanism 6. 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.

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 of the vehicle, characterized in that it includes a platform body, a wheel positioning device and a driving mechanism, the platform body is provided with rolling parts, and the rolling parts are exposed at the bottom of the platform body the upper surface, and the rolling part is set to roll along the preset vehicle front-rear direction, the wheel positioning device is located on the rolling part and is used to position at least one wheel of the carrying vehicle, and the driving mechanism is used to drive the The wheel alignment device is configured so that the wheel alignment device rolls in cooperation with the rolling member to move along a predetermined front and rear direction of the vehicle.
The vehicle-carrying platform according to claim 1, wherein the platform body has a guide hole extending along the preset vehicle front-rear direction, one end of the driving mechanism is connected to the bottom of the platform body, and the wheel positioning The device passes through the guide hole and is connected to the other end of the driving mechanism, and the wheel positioning device can move in the guide hole.
The vehicle-carrying platform according to claim 2, wherein the wheel alignment device comprises a positioning assembly, a mounting plate and a positioning plate, the positioning assembly is arranged on the mounting plate, and the bottom surface of the mounting plate abuts against As for the rolling part, the upper and lower ends of the positioning plate are respectively connected to the installation plate and the driving mechanism, and the positioning plate is located in the guide hole and can move in the guide hole.
The vehicle-carrying platform according to claim 3, wherein the positioning assembly includes two limit blocks, both of which are mounted on the mounting plate, and the two limit blocks are respectively It is used to limit the forward and backward movement trends of the wheels of the vehicle, so that the wheels of the vehicle are limited between the two limit blocks;

And/or, the positioning assembly includes two positioning pieces, both of which are mounted on the mounting plate, and the two positioning pieces are respectively used to align the wheels of the vehicle to the left and to the right. A movement trend is limited so that the wheels of the vehicle are limited between the two positioning members.
The vehicle-carrying platform according to at least one of claims 1-4, wherein the wheel positioning device locates a wheel, and the wheel positioning device is used to perform a front-rear direction position and/or a left-right direction position of the wheel. limit.
The vehicle-carrying platform according to at least one of claims 1-5, characterized in that rollers, rollers or balls are provided on the upper surface of the wheel positioning device to roll and cooperate 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 the The unaligned wheels of the vehicle described above.
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, characterized in that there are multiple rolling parts, and the multiple rolling parts are respectively located at both ends of the wheel positioning device and along the predetermined Assume that the vehicles are arranged on the platform body at intervals in the front and rear directions.
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 positioning device, so that The detection value is compared with the internal setting value of the detection mechanism to control the shutdown of the driving mechanism, so as to stop the movement of the wheel alignment device.
The vehicle-mounted 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 alignment 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 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 1-17, characterized in that the wheel positioning device is used to carry 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 1-18.