Wheel positioning device and centering device for battery replacement

Abstract

The utility model discloses a wheel positioning and centering device for battery replacement, which comprises a mounting frame, a roller component arranged on the mounting frame and used for supporting wheels, a centering and positioning push plate positioned above the roller component, and a driving component arranged on the mounting frame and used for driving the centering and positioning push plate to move, the key point is that the driving assembly comprises two side plates connected with the two ends of the centering positioning push plate respectively, a supporting plate connected with the two side plates, a driving motor and a gear and rack transmission assembly arranged between the output end of the driving motor and the side plates or between the output end of the driving motor and the supporting plate; the two side plates are slidably limited to the two side faces of the mounting frame through the guide assemblies respectively. The gear and rack transmission assembly driven by the motor is arranged on the outer side of the roller assembly, when wheels of a vehicle enter the roller assembly, water and mud on the wheels cannot affect the transmission assembly, and it can be guaranteed that centering and positioning are conducted smoothly.

Description

Technical Field

[0001] This utility model relates to the field of battery swapping equipment technology, specifically to a wheel positioning device and centering device for battery swapping. Background Technology

[0002] When new energy vehicles undergo battery swapping, a centering device is often used to position the front and rear wheels to ensure the smooth progress of the swapping operation. The front and rear wheel positioning is achieved through separate front and rear wheel centering devices. The front wheel centering device has two centering and positioning push plates, acting on the left and right front wheels respectively. The rear wheel centering device also has two centering and positioning push plates, acting on the left and right rear wheels respectively. These two centering and positioning push plates, acting on the front or rear wheels, move the front or rear of the vehicle on the roller assembly and ultimately position it in the preset location.

[0003] In the prior art, the centering and positioning push plate is driven by a lead screw and nut transmission structure driven by a motor. The lead screw and nut are located below the roller assembly, and the nut is connected to the centering and positioning push plate. Patents such as CN214822703U and CN115743048A disclose related technical solutions.

[0004] Due to factors such as weather and road conditions, when a vehicle drives onto the roller assembly of the centering device, the vehicle's wheels may carry contaminants such as water and mud into the roller assembly and fall onto the lead screw and nut below through the gaps between the rollers. Alternatively, during the centering and positioning process, the contaminants may come into contact with the rollers, causing them to detach from the wheels and fall onto the lead screw and nut below through the gaps between the rollers in the roller assembly. This can lead to jamming and damage to the lead screw and nut structure, increasing costs and maintenance expenses. Summary of the Invention

[0005] The technical problem to be solved by this utility model is to provide a wheel positioning device and centering device for battery swapping. It adopts a gear and rack transmission structure and sets it on the outside of the roller assembly. Contaminants from vehicle tires will not affect the gear and rack transmission structure, thereby ensuring the smooth operation of centering and positioning and the service life of the device.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is: a wheel positioning device for battery swapping, comprising a mounting frame, a roller assembly for supporting the wheel disposed on the mounting frame, a centering and positioning push plate located above the roller assembly, and a drive assembly disposed on the mounting frame and driving the centering and positioning push plate to move. The key feature is that the drive assembly includes two side plates respectively connected to both ends of the centering and positioning push plate, a support plate connecting the two side plates, a drive motor, and a gear and rack transmission assembly disposed between the output end of the drive motor and the side plates or between the output end of the drive motor and the support plate. The two side plates are slidably limited to two sides of the mounting frame by means of a guide assembly.

[0007] Furthermore, a guide component mounting cavity is provided between each side plate and the mounting frame. The guide component is located within the guide component mounting cavity and includes a guide rail fixed on the mounting frame and a slider fixed on the side plate and cooperating with the guide rail.

[0008] Furthermore, the gear and rack transmission assembly includes a rack fixed to the side plate or support plate and a gear fixed to the output shaft of the drive motor and meshing with the rack.

[0009] Furthermore, a gearbox is provided on the mounting frame, the output shaft of the drive motor is connected to the input shaft of the gearbox, and the gear and rack transmission assembly includes a rack fixed on each side plate and two gears respectively connected to both ends of the output shaft of the gearbox and meshing with the corresponding racks.

[0010] Furthermore, the gearbox is provided with a small gear connected to the input shaft and a large gear meshing with the small gear and connected to the output shaft.

[0011] Furthermore, a crossbeam is provided between the two side plates, and the centering positioning push plate is fixed on the crossbeam.

[0012] Furthermore, the side plate is L-shaped.

[0013] Furthermore, the roller assembly includes two rows of rollers that are inclinedly disposed on the mounting frame and form a V-groove structure.

[0014] Furthermore, the roller assembly includes one or two rows of rollers horizontally arranged on the mounting frame.

[0015] Based on the above-mentioned wheel alignment device, this utility model also provides an alignment device, including a cover plate and two sets of wheel alignment devices symmetrically arranged on both sides of the cover plate.

[0016] The beneficial effects of this utility model are as follows: 1. By setting the gear and rack transmission assembly driven by the motor on the outside of the roller assembly, when the vehicle wheel enters the roller assembly, the water, mud and other contaminants on it will not affect the transmission assembly, which can ensure the smooth centering and positioning; 2. Using one motor to drive two sets of gear and rack transmission assemblies through the gearbox, the centering and positioning push plate has good load-bearing capacity and stability during centering and positioning, and can also reduce costs; 3. A guide assembly mounting cavity is designed on the mounting frame, and the racks in the guide assembly and gear and rack transmission assembly are all located in the cavity. The drive motor, gearbox and gears in the gear and rack transmission assembly are all located under the cover plate, which can prevent external contaminants from directly entering the above components, extend the service life of the device and reduce maintenance costs. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the wheel positioning device for battery swapping according to this utility model;

[0018] Figure 2 This is another structural schematic diagram of the wheel positioning device for battery swapping according to this utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the wheel alignment device of this utility model when applied to the front wheel alignment device;

[0020] Figure 4 This is a schematic diagram of the structure of the wheel positioning device of this utility model when applied to the rear wheel alignment device.

[0021] In the attached diagram, 1 is the mounting frame, 1-1 is the guide assembly mounting cavity, 2 is the roller assembly, 3 is the centering and positioning push plate, 4 is the side plate, 5 is the support plate, 6 is the drive motor, 7 is the gear, 8 is the rack, 9 is the gearbox, 10 is the guide rail, 11 is the slider, 12 is the crossbeam, and 13 is the cover plate. Detailed Implementation

[0022] See appendix Figures 1-4This utility model provides a wheel alignment device for battery swapping, including a mounting frame 1, a roller assembly 2 for supporting the wheel mounted on the mounting frame 1, a centering and positioning push plate 3 located above the roller assembly 2, and a drive assembly mounted on the mounting frame 1 and driving the centering and positioning push plate 3 to move. The drive assembly includes two side plates 4 connected to both ends of the centering and positioning push plate 3, a support plate 5 connecting the two side plates 4, a drive motor 6, and a gear and rack transmission assembly located between the output end of the drive motor 6 and the side plates 4 or between the output end of the drive motor 6 and the support plate 5. In specific implementation, each component of the drive motor 6 and the gear and rack transmission assembly is located in the guide assembly mounting cavity below the cover plate 13 or inside the side plates 4. When the vehicle wheel is positioned on the roller assembly 2, water and mud on the wheel will not directly affect the drive assembly, thus ensuring the stability of the vehicle's centering and positioning.

[0023] Example 1 of a gear and rack transmission assembly: See appendix Figure 1 and 2 In this embodiment, a gearbox 9 is provided on the mounting frame 1, and the output shaft of the drive motor 6 is connected to the input shaft of the gearbox 9. The gear and rack transmission assembly includes a rack 8 fixed on each side plate 4 and two gears 7 respectively connected to both ends of the output shaft of the gearbox 9 and meshing with the corresponding rack 8. Two gears are provided inside the gearbox 9; the small gear is connected to the input shaft, and the large gear meshing with the small gear is connected to the output shaft. By designing the gearbox 9, a deceleration effect is achieved while also realizing the purpose of one motor driving two sets of gear and rack transmission assemblies, resulting in good load-bearing stability during the process of the centering positioning push plate 3 pushing the tire. The drive motor 6 is connected to the gearbox 9, ensuring a certain height between the drive motor 6 and the bottom surface of the mounting frame 1, preventing water accumulation from affecting the drive motor 6. In this embodiment, one end of the output shaft of the gearbox 9 is directly connected to the nearest gear 7, while the other end is connected to the farthest gear 7 via a coupling. A connecting shaft is provided on the gear 7 located at a distance, and a bearing seat for limiting the connecting shaft is provided on the mounting frame 1. One end of the coupling is connected to the connecting shaft.

[0024] Two side plates 4 are slidably positioned on the two sides of the mounting frame 1 by means of guide components. A guide component mounting cavity 1-1 is provided between each side plate 4 and the mounting frame 1. The guide component is located within the guide component mounting cavity 1-1 and includes a guide rail 10 fixed to the mounting frame 1 and a slider 11 fixed to the side plate 4 and cooperating with the guide rail 10. In this embodiment, each side plate 4 is equipped with two sliders 11. The aforementioned rack 8 is also located within the guide component mounting cavity 1-1 to prevent external contaminants from directly entering the rack 8 and affecting the meshing of the gear 7 and the rack 8.

[0025] The side plates 4 are L-shaped to avoid obstructing the vehicle's movement onto the roller assembly 2 and to facilitate the installation of the rack 8 and the fixing of the centering and positioning push plate 3. One end of each of the two L-shaped side plates 4 is connected to both ends of the crossbeam 12, and the other end is connected to both ends of the support plate 5. The centering and positioning push plate 3 is fixed to the crossbeam 12. The support plate 5 is located inside the mounting frame 1.

[0026] Example 2 of the gear and rack transmission assembly: Unlike Example 1, this embodiment uses two drive motors 6, each equipped with a gear and rack transmission assembly. The gear and rack transmission assembly includes a rack 8 fixed to the side plate 4 and a gear 7 fixed to the output shaft of the drive motor 6 and meshing with the rack 8. The two drive motors 6 synchronously drive the gear and rack transmission assembly to achieve the driving of the centering and positioning push plate 3.

[0027] Alternatively, the positioning push plate 3 can be driven by only one drive motor 6 and a set of matching gear and rack transmission components.

[0028] Example 3 of the gear and rack transmission assembly: Unlike Example 1, this example includes a rack 8 fixed on the support plate 5 and a gear 7 fixed on the output shaft of the drive motor 6 and meshing with the rack 8. The centering and positioning push plate 3 is driven by the gear and rack structure set between the support plate 5 and the drive motor 6.

[0029] See appendix Figure 3 and 4 The present invention also provides a centering device, including a cover plate 13 and wheel positioning devices symmetrically arranged on both sides of the cover plate 13.

[0030] When used as a centering device for positioning the front wheels of a vehicle, the roller assembly described above includes two rows of rollers that are inclinedly arranged on the mounting frame 1 and form a V-groove structure.

[0031] When used as a centering device for positioning the rear wheels of a vehicle, the roller assembly described above includes one or two rows of rollers horizontally arranged on the mounting frame 1.

[0032] In practice, two alignment devices are installed on the vehicle platform, one for positioning the front wheels and the other for positioning the rear wheels. Once the vehicle is on the platform, the front wheels enter the roller assembly of the V-groove front wheel alignment device, while the rear wheels are positioned on the roller assembly of the rear wheel alignment device. Then, the drive motors in the front and rear wheel alignment devices drive the corresponding alignment and positioning push plates 3 to move, positioning the vehicle at a predetermined position on the platform to ensure the smooth operation of subsequent battery swapping.

[0033] Depending on the actual application scenario, a centering device with two rows of rollers having a V-groove structure can also center the rear wheel; a centering device with horizontally arranged rollers can also center the front wheel.

[0034] Finally, it is necessary to note that the above content is only used to help understand the technical solution of the present invention and should not be construed as a limitation on the scope of protection of the present invention; any non-essential improvements and adjustments made by those skilled in the art based on the above content of the present invention are all within the scope of protection claimed by the present invention.

Claims

1. A wheel positioning device for battery swapping, comprising a mounting frame (1), a roller assembly (2) for supporting a wheel disposed on the mounting frame (1), a centering and positioning push plate (3) located above the roller assembly (2), and a drive assembly disposed on the mounting frame (1) and driving the centering and positioning push plate (3) to move, characterized in that: The drive assembly includes two side plates (4) connected to the two ends of the centering and positioning push plate (3), a support plate (5) connecting the two side plates (4), a drive motor (6), and a gear and rack transmission assembly disposed between the output end of the drive motor (6) and the side plate (4) or between the output end of the drive motor (6) and the support plate (5). The two side plates (4) are slidably limited to the two sides of the mounting frame (1) by means of a guide assembly.

2. The wheel positioning device for battery swapping according to claim 1, characterized in that: A guide component mounting cavity (1-1) is provided between each side plate (4) and the mounting frame (1). The guide component is located in the guide component mounting cavity (1-1) and includes a guide rail (10) fixed on the mounting frame (1) and a slider (11) fixed on the side plate (4) and cooperating with the guide rail (10).

3. The wheel positioning device for battery swapping according to claim 1, characterized in that: The gear and rack transmission assembly includes a rack (8) fixed on the side plate (4) or support plate (5) and a gear (7) fixed on the output shaft of the drive motor (6) and meshing with the rack (8).

4. The wheel positioning device for battery swapping according to claim 1, characterized in that: A gearbox (9) is provided on the mounting frame (1), and the output shaft of the drive motor (6) is connected to the input shaft of the gearbox (9). The gear and rack transmission assembly includes a rack (8) fixed on each side plate (4) and two gears (7) respectively connected to the two ends of the output shaft of the gearbox (9) and meshing with the corresponding rack (8).

5. The wheel positioning device for battery swapping according to claim 4, characterized in that: The gearbox (9) is provided with a small gear connected to the input shaft and a large gear meshing with the small gear and connected to the output shaft.

6. The wheel positioning device for battery swapping according to claim 1, characterized in that: A crossbeam (12) is provided between the two side plates (4), and the centering positioning push plate (3) is fixed on the crossbeam (12).

7. The wheel positioning device for battery swapping according to claim 1, characterized in that: The side plate (4) is L-shaped.

8. The wheel positioning device for battery swapping according to any one of claims 1-7, characterized in that: The roller assembly includes two rows of rollers that are inclinedly arranged on the mounting frame (1) and form a V-groove structure.

9. The wheel positioning device for battery swapping according to any one of claims 1-7, characterized in that: The roller assembly includes one or two rows of rollers horizontally arranged on the mounting frame (1).

10. A centering device, characterized in that: It includes a cover plate (13) and two sets of wheel positioning devices as described in any one of claims 1-9, symmetrically arranged on both sides of the cover plate (13).

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