Battery swapping trolley for battery swapping station

Abstract

The application discloses a battery replacing trolley for a battery replacing station, which comprises an X-Y moving mechanism, a rotating mechanism, a jacking mechanism, a supporting plate and a plurality of locking and unlocking gun head mechanisms; the plurality of locking and unlocking gun head mechanisms are all installed on the supporting plate, the supporting plate is connected with the rotating mechanism through the jacking mechanism, and the rotating mechanism is arranged on the X-Y moving mechanism; a servo motor four drives an elastic gun head to rotate through a speed reducer, so that the elastic gun head is quickly matched with a battery pack locking mechanism on a battery replacing vehicle, and the battery pack replacing is completed. The X-Y moving mechanism, the rotating mechanism, the jacking mechanism and the plurality of locking and unlocking gun head mechanisms are arranged, the functions of jacking, locking and unlocking, positioning and rotating are integrated on the battery replacing trolley, the battery replacing trolley has the integration, the space occupation is reduced, and the reaction is rapid; the visual camera is arranged, the battery replacing trolley can satisfy that a vehicle enters a station and stops, a visual system automatically identifies an offset angle, then the mechanism moves in the X-Y direction and rotates to position, and the positioning precision of locking and unlocking is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of new energy vehicle battery swap, in particular to a battery swap trolley for battery swap station. BACKGROUND

[0002] With the rise and development of new energy vehicle battery swap field, the precision and requirement of battery swap mode are increasing, and the current battery pack swap is mainly divided into side swap and bottom swap, and the vehicle battery swap mechanism is divided into semi-fixed bolt fastening mode, ratchet buckle mode and connecting rod slider mode and other implementation modes; compared with the two, the bottom swap has lower cost and better performance. The difficulty lies in that the bottom swap has high requirements for the connecting mechanism, and has fast swap locking function.

[0003] At present, most of the electric vehicle fast battery swap systems on the market have problems such as complex mechanism, poor locking reliability, low battery swap efficiency and high cost of locking mechanism. SUMMARY

[0004] In order to overcome the defects of the prior art, the purpose of the present application is to provide a battery swap trolley for battery swap station, which integrates functions such as jacking, unlocking, positioning and rotating on the battery swap trolley, reduces space occupation, and has simple mechanism and rapid response.

[0005] Therefore, the present application provides a battery swap trolley for battery swap station, which comprises an X-Y moving mechanism, a rotating mechanism, a jacking mechanism, a support plate and a plurality of unlocking gun head mechanisms; the plurality of unlocking gun head mechanisms are installed on the support plate, the support plate and the rotating mechanism are connected through the jacking mechanism, and the rotating mechanism is arranged on the X-Y moving mechanism; and the horizontal position, angle and height of the support plate and the unlocking gun head mechanism are adjusted.

[0006] Among them, the unlocking gun head mechanism comprises a servo motor four, a speed reducer four and an elastic gun head, the servo motor four drives the elastic gun head to rotate through the speed reducer four, so that the elastic gun head is quickly matched with the battery pack locking mechanism on the vehicle to be swapped, and the battery pack replacement is completed.

[0007] Further, the battery swap trolley mechanism further comprises a visual camera, and the servo motors of the X-Y moving mechanism, the rotating mechanism and the jacking mechanism are respectively connected with the visual camera.

[0008] Further, the X-Y moving mechanism comprises a ground rail, a bottom support frame and a base mounting frame; wherein the bottom support frame is slidably connected with the ground rail, and a gear and rack transmission mechanism one and a servo motor one are arranged between the two; the base mounting frame is arranged on the bottom support frame, and a gear and rack transmission mechanism two and a servo motor two are arranged between the two.

[0009] Further, a guide wheel is arranged between the base mounting frame and the bottom support frame.

[0010] Further, the jacking mechanism comprises a rigid chain, a speed reducer motor and a jacking assembly; chain wheels are arranged on the jacking assembly and the speed reducer motor; the speed reducer motor drives the jacking assembly to make jacking movement through the rigid chain; and the support plate is connected to the top of the jacking assembly.

[0011] Further, the rotating mechanism comprises a slewing bearing, a rotating mounting frame, a gear and a servo motor three; the X-Y direction moving mechanism and the rotating mounting frame are rotationally connected through the slewing bearing; the slewing bearing is also in gear engagement with the gear and is driven through the servo motor three.

[0012] Further, the rotating mounting frame has a cylindrical barrel protruding from the slewing bearing in the middle; and the jacking mechanism is arranged in the cylindrical barrel.

[0013] Further, a plurality of scissor fork assemblies are arranged between the support plate and the rotating mounting frame.

[0014] Further, a positioning pin is arranged on the support plate.

[0015] The battery replacement trolley for the battery replacement station provided by the application integrates jacking, unlocking, positioning and rotating functions on the battery replacement trolley through the arrangement of the X-Y direction moving mechanism, the rotating mechanism, the jacking mechanism and the plurality of unlocking and locking gun head mechanisms, has the advantages of integration, reduced space occupation, simple mechanism and rapid response; and the arrangement of the visual camera enables the battery replacement trolley to meet the requirement of automatic identification of the offset angle by the vehicle entry station deviation visual system and then the mechanism moves in the X-Y direction and rotates for positioning, thereby improving the unlocking and locking positioning precision.

[0016] In addition to the objects, features and advantages described above, the application has other objects, features and advantages. The application will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings constituting a part of the specification of the application are used to provide further understanding of the application, the schematic embodiments of the application and the description thereof serve to explain the application and do not constitute improper limitation on the application. In the drawings:

[0018] Figure 1 Fig. 1 is a perspective view of the battery replacement trolley for the battery replacement station of the application;

[0019] Figure 2 Fig. 3 is a structural schematic view of the base mounting frame of the battery replacement trolley for the battery replacement station of the application;

[0020] Figure 3A structure schematic view of a position where a rotating mounting frame of a battery replacing trolley for the battery replacing station of the application is located;

[0021] Figure 4 A lateral structure schematic view of the battery replacing trolley for the battery replacing station of the application.

[0022] Legend of reference signs

[0023] 1, ground rail; 2, bottom support frame; 3, support plate; 4, unlocking gun head mechanism; 5, positioning pin; 6, guide wheel; 7, servo motor two; 8, servo motor one; 9, visual camera; 10, scissor fork assembly; 11, jacking assembly; 12, rotating mounting frame; 121, cylindrical barrel; 13, gear; 14, base mounting frame; 15, slewing bearing; 16, gear rack transmission mechanism two; 17, rigid chain. DETAILED DESCRIPTION

[0024] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0025] As shown in the drawings, Figures 1-4 The battery replacing trolley for the battery replacing station of the application comprises an X-Y direction moving mechanism, a rotating mechanism, a support plate 3, a jacking mechanism, a scissor fork assembly, a positioning mechanism, and an unlocking gun head mechanism. The horizontal position is adjusted by the X-Y direction moving mechanism, the angle of the support plate 3 is adjusted by the rotating mechanism, and the height of the support plate 3 is adjusted by the jacking mechanism and the scissor fork assembly. The positioning mechanism and the unlocking gun head mechanism are installed on the support plate 3, and the unlocking gun head mechanism 4 is composed of a servo motor four, a speed reducer, and an elastic gun head. The steps of replacing the battery can be quickly completed by the unlocking gun head mechanism.

[0026] The X-Y direction moving mechanism comprises a ground rail 1, a bottom support frame 2, a gear rack transmission mechanism, a base mounting frame 14, a servo motor, and a speed reducer. The jacking mechanism is composed of a rigid chain 17, a speed reducer motor, a chain wheel, and a jacking assembly. The rotating mechanism is composed of a slewing bearing, a rotating mounting frame 12, a gear, and a speed reducer motor.

[0027] Specifically, the ground rail 1 is fixed to the ground to realize the movement of the battery replacing trolley in the x-axis direction. The bottom support frame 2 is installed on the ground rail 1 by rollers to drive the movement of the battery replacing device. The visual camera 9 is fixed to the bottom support frame 2. The unlocking gun head mechanism 4 is installed on the support plate 3. The upper surface of the support plate 3 supports the battery pack. The lower surface of the support plate 3 is fixed to the jacking assembly 11 and the scissor fork assembly 10. The rigid chain in the jacking assembly drives the jacking of the support plate to support the battery pack. The scissor fork assembly balances the lifting process.

[0028] The rotating mounting frame 12 is fixed to the slewing bearing 15, the scissor fork assembly and the jacking assembly are mounted on the rotating mounting frame 12, the gear 13 drives the slewing bearing to rotate through the reduction motor, the unlocking gun head lifting and rotating function is realized, the slewing bearing 15 is installed on the base mounting frame 14, the base mounting frame 14 realizes the movement in the y-axis direction through the gear and rack transmission, and the guide wheel 6 is installed on the base mounting frame 14 to prevent the movement from deviating.

[0029] As shown in Figure 1 , in the X-Y direction movement mechanism, the bottom support frame 2 can slide on the ground rail 1, the gear and rack transmission mechanism one and the servo motor one 8 are arranged between the bottom support frame 2 and the ground rail 1; the base mounting frame 14 is arranged on the bottom support frame 2, and the gear and rack transmission mechanism two 16 and the servo motor two 7 are arranged between the base mounting frame 14 and the bottom support frame 2; so that the base mounting frame 14 can be controlled to move horizontally through the servo motor one 8 and the servo motor two 7.

[0030] In addition, the guide wheel 6 is arranged between the base mounting frame 14 and the bottom support frame 2 to move the base mounting frame 14 in the Y direction and prevent the movement from deviating.

[0031] As shown in Figure 3 , the jacking mechanism includes a rigid chain 17, a reduction motor and a jacking assembly 11; the jacking assembly 11 and the reduction motor are both provided with a sprocket, the reduction motor drives the jacking assembly 11 to make jacking motion through the rigid chain 17, and the support plate 3 is connected with the top of the jacking assembly 11, so that the support plate 3 and the unlocking gun head mechanism 4 can be driven to move up and down by the reduction motor.

[0032] Among them, the support plate 3 and the rotating mounting frame 12 are provided with three scissor fork assemblies 10, and the scissor fork assembly is provided with a plurality of rotating supports and guide rails; the scissor fork assembly 10 is arranged to make the lifting process of the support plate 3 more stable.

[0033] As shown in Figure 2 , Figure 3 , the rotating mechanism includes a slewing bearing 15, a rotating mounting frame 12, a gear 13 and a servo motor three; the base mounting frame 14 of the X-Y direction movement mechanism is rotatably connected with the rotating mounting frame 12 through the slewing bearing 15, the slewing bearing 15 is also in gear engagement with the gear 13, and the gear 13 is drivingly connected with the servo motor three, the servo motor three drives the slewing bearing 15 to rotate through the gear 13, so that the rotating mounting frame 12 and the jacking mechanism, the support plate 3 and the unlocking gun head mechanism 4 mounted on the rotating mounting frame 12 are horizontally rotated.

[0034] The base mounting frame 14 has a circular hole in the middle, the rotating mounting frame 12 has a cylindrical body 121 protruding downward from the circular hole and the rotary bearing, and the lifting assembly 11 and the speed reducer motor of the lifting mechanism are arranged in the cylindrical body.

[0035] As shown in the drawings, the visual camera 9 is arranged on the bottom support frame 2, and the visual camera 9 moves along the X direction with the bottom support frame 2, and is used for detecting the offset distance of the parked battery vehicle relative to the battery changing vehicle. Figure 1 The servo motor one 8 and the servo motor two 7 on the X-Y direction moving mechanism, the servo motor three on the rotating mechanism, and the speed reducer motor on the lifting mechanism are respectively connected with the visual camera 9, and the visual camera 9 determines the offset distance and then makes the battery changing vehicle and the vehicle accurately positioned through the y-axis direction movement and the rotation of the rotary bearing.

[0036] In the scheme, the supporting plate 3 is further provided with a positioning pin 5 and a plurality of buffer pads at the upper end, the positioning pin 5 is matched with the positioning hole on the battery pack, and the buffer pads are rectangular and used for supporting the battery pack and buffering.

[0037] The working principle and working process of the battery changing vehicle for the battery changing station will be described below in combination with the drawings.

[0038] When the vehicle is parked on the battery changing platform, the battery changing vehicle mechanism moves to the bottom of the vehicle through the gear and rack X-axis direction movement; the offset distance of the parked vehicle relative to the battery changing vehicle is detected through the visual detection, and the battery changing vehicle and the vehicle are accurately positioned through the y-axis direction movement and the rotation of the rotary bearing after determining the offset distance;

[0039] After the positioning is completed, the lifting mechanism moves upward under the operation of the rigid chain until the supporting plate contacts the bottom surface of the battery pack, the positioning pin on the supporting plate is inserted into the pin hole of the battery pack to realize the accurate positioning of the vehicle and the battery changing vehicle;

[0040] The locking and unlocking mechanism is unlocked, the lifting mechanism is lowered after the unlocking is completed, the rotary bearing and the y-axis direction movement are in the initial state, the x-axis direction movement of the battery changing vehicle puts the discharged battery on the buffer rack, and the full battery is taken to repeat the above steps to lock and change the battery.

[0041] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A battery replacement trolley for a battery replacement station, characterized in that, The utility model relates to a battery pack quick replacement device for electric vehicle, including: X-Y direction moving mechanism, rotating mechanism, jacking mechanism, support plate (3) and several unlocking gun head mechanisms (4); It also includes visual camera (9), and the servo motors of X-Y direction moving mechanism, rotating mechanism and jacking mechanism are connected with visual camera (9) signal respectively; Several unlocking gun head mechanisms are installed on support plate (3), and support plate (3) is connected with rotating mechanism through jacking mechanism, and rotating mechanism is arranged on X-Y direction moving mechanism, for adjusting the horizontal position, angle and height of support plate (3) and unlocking gun head mechanism; Jacking mechanism includes rigid chain (17), reduction motor and jacking assembly (11), chain wheel is arranged on jacking assembly (11) and reduction motor, and reduction motor drives jacking assembly (11) to make jacking motion through rigid chain (17), and support plate (3) is connected with the top of jacking assembly (11), rotating mechanism includes slewing bearing (15), rotary mounting bracket (12), gear (13) and servo motor three, X-Y direction moving mechanism is rotatably connected with rotary mounting bracket (12) through slewing bearing (15), slewing bearing (15) is also engaged with gear (13) and is driven through servo motor three; Wherein, the unlocking gun head mechanism includes servo motor four, reduction machine four, elastic gun head, servo motor four drives elastic gun head to rotate through reduction machine four, makes elastic gun head and the battery pack locking mechanism on the electric vehicle of being replaced fast cooperation, completes battery pack replacement.

2. The battery replacement trolley for battery replacement station according to claim 1, characterized in that, X-Y direction moving mechanism includes ground rail (1), bottom support frame (2), base mounting bracket (14), wherein, bottom support frame (2) is slidably connected with ground rail (1), and gear and rack transmission mechanism one and servo motor one (8) are arranged between the bottom support frame (2) and ground rail (1), base mounting bracket (14) is arranged on bottom support frame (2), and gear and rack transmission mechanism two and servo motor two (7) are arranged between the base mounting bracket (14) and bottom support frame (2).

3. The battery replacement vehicle for battery replacement station according to claim 2, characterized in that, The guide wheel (6) is further arranged between the base mounting bracket (14) and the bottom support frame (2).

4. The battery replacement station according to claim 1, characterized in that, The rotary mounting bracket (12) has a cylindrical barrel (121) protruding from the slewing bearing (15) in the middle, and the jacking mechanism is arranged in the cylindrical barrel (121).

5. The battery replacement station according to claim 1, characterized in that, A plurality of scissor fork assemblies (10) are arranged between the support plate (3) and the rotary mounting bracket (12).

6. The battery replacement station according to claim 1, characterized in that, The positioning pin (5) is arranged on the support plate (3).

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