WO2022252257A1

WO2022252257A1 - Electric car battery replacement mechanism

Info

Publication number: WO2022252257A1
Application number: PCT/CN2021/098902
Authority: WO
Inventors: 阮维亮; 黄正瑞; 胡君杰
Original assignee: 浙江康迪智能换电科技有限公司
Priority date: 2021-05-31
Filing date: 2021-06-08
Publication date: 2022-12-08
Also published as: CN215154063U

Abstract

An electric car battery replacement mechanism, comprising a bracket (10), a lifting base (11), a translation base (12) and a rotation base (13), the lifting base (11) being slidably mounted on the bracket (10) and being capable of sliding back and forth in the Z-axis direction, the translation base (12) being slidably mounted on the lifting base (11) and being capable of sliding back and forth in the X-axis direction, and the rotation base (13) being disposed on the translation base (12) and being capable of rotating 180 degrees; the rotation base (13) is provided with two battery access seats (14), the battery access seats (14) being capable of sliding back and forth in the Y-axis direction, and the two battery access seats (14) each being provided with a battery grabbing mechanism; the bottom of the lifting base (11) is provided with a support member (20), the support member (20) comprising a mounting arm (21) and a support arm (22), the tail end of the mounting arm (21) being fixedly connected to the outer edge of the lifting base (11), the support arm (22) extending outward along the Y-axis direction to form a cantilever structure, a roller (31) being disposed at the tail end of the support arm (22), and a rotating shaft of the roller (31) being arranged along the X-axis direction.

Description

A battery swapping mechanism for an electric vehicle

technical field

The utility model belongs to the technical field of battery exchange for electric vehicles, and in particular relates to a battery exchange mechanism for electric vehicles.

Background technique

Compared with traditional fuel vehicles, electric vehicles have the advantages of environmental protection, comfortable driving, and low noise, but there is still a certain gap with traditional fuel vehicles in terms of cruising range. Under the current technical conditions, in order to increase the long battery life of electric vehicles, To reduce the waiting time for charging, the technical means of battery replacement is often used to replace the drive battery of the electric vehicle as a whole, so that the electric vehicle has the same long-life function as the traditional fuel vehicle and makes up for its own defects; in order to improve the efficiency of battery replacement and save For labor costs, most of the smart battery swapping stations are used for automatic battery swapping. The battery swapping mechanism is used to transfer the empty battery in the electric vehicle to the charging rack, and then transfer the full battery on the charging rack to the vehicle to achieve fast battery swapping. However, the battery weight of electric vehicles is relatively heavy, and the battery access seat will be in a suspended state during the process of accessing the battery. Under the action of battery gravity, its outer end will be pressed down, affecting its smooth sliding, and The end of the battery will also be tilted, and both the battery replacement window of the electric vehicle and the hatch on the charging rack are small. The battery in the tilted state will inevitably hinder accurate alignment, affecting the efficiency of battery replacement and the reliability of the battery replacement mechanism. sex and stability.

Contents of the invention

The utility model aims at the above-mentioned technical problems, and provides a battery exchange mechanism for an electric vehicle. The purpose of the invention of the utility model is achieved through the following technical solutions:

A battery exchange mechanism for an electric vehicle, comprising a bracket, a lifting seat, a translation seat, and a rotating seat. Sliding reciprocatingly in the X-axis direction, the rotating base is set on the translation base, and can rotate 180 degrees; there are two battery access bases on the rotating base, and the battery access bases can slide back and forth along the Y-axis direction, and the two battery storage The battery grabbing mechanism is provided on all the seats; the bottom of the lifting seat is provided with a support member, and the support member includes a mounting arm and a supporting arm. The end of the mounting arm is fixed to the outer edge of the lifting seat, the supporting arm extends outward along the Y-axis direction to form a cantilever structure, the tail end of the supporting arm is bent upwards to form a mounting platform, and a roller is provided on the mounting platform , the rotating shaft of the roller is arranged along the X-axis direction, and when the battery access seat slides out of the translation seat along the Y-axis direction, its lower end surface is supported on the roller.

As a preference, the rotating shaft is installed on the mounting platform through the lugs, and a waist hole is opened on the side wall of the mounting platform, and the mounting bolts of the lugs are passed through the waist holes.

Preferably, the end of the mounting arm is integrally formed with a mounting edge, the mounting edge includes a horizontal edge and a vertical edge, the horizontal edge abuts against the upper surface of the outer edge of the lifting seat, and the vertical edge abuts against the outer edge of the lifting seat of the front face.

Preferably, there are two support members and two rollers, which are arranged at intervals in the middle of the outer edge of the lifting seat.

Preferably, pulleys are provided on the side of the battery access seat, and the pulleys are arranged at intervals along the Y-axis direction.

Preferably, positioning rods are provided on both sides of the front end of the battery access seat, and the positioning rods extend outward along the Y-axis direction.

Compared with the prior art, the utility model has the following beneficial effects: through the cooperation of the battery receiving seat and the rotating seat, the exchange and access of the full battery and the empty battery can be realized; through the cooperation of the lifting seat and the translation seat, the battery reception can be changed. The height and horizontal position of the seat, so that the battery can be accessed in different battery compartments of the charging stand; by setting the support, when the battery access seat slides out of the translation seat to receive the battery, the support can form a support for the battery access seat to avoid Its end is pressed down so that it can slide smoothly, and the battery on the battery access seat can always be in a horizontal state. The bin mouth has a higher degree of cooperation, which improves the efficiency of battery replacement; the structure of the support is reasonable and the installation is stable, which can form an effective support for the battery receiving seat; the setting of the rollers can reduce the sliding resistance of the battery receiving seat.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a schematic diagram of the structure of the battery access seat in the utility model;

Fig. 3 is a structural schematic diagram of a support in the utility model;

Marks in the figure: bracket 10; lifting base 11; translation base 12; rotation base 13; battery access base 14; pulley 141; positioning column 142; support member 20; mounting arm 21; Edge 24; roller 31; ear piece 32; waist hole 33; battery 40.

Detailed ways

The utility model will be further described below in conjunction with the embodiment represented by accompanying drawing:

As shown in Figures 1-3, this embodiment discloses a battery swapping mechanism for an electric vehicle, which includes a square bracket 10, a lifting base 11, a translation base 12, and a rotating base 13. The lifting base 11 is slidably mounted on the bracket 10, and It can slide back and forth along the Z-axis direction under the drive of the first drive assembly. The translation base 12 is slidably mounted on the lifting base 11, and can slide back and forth along the X-axis direction under the drive of the second drive assembly. On the seat 12, it can be driven by the third drive assembly for 180-degree rotation; the rotating seat 13 is provided with two battery access seats 14, and the battery access seat 14 can carry the drive of the fourth drive assembly along the Y Sliding back and forth in the axial direction, the two battery access seats 14 are provided with battery grasping mechanisms.

After the electric vehicle is positioned by the vehicle positioning device, one of the battery access seats 14 is driven by the fourth driving mechanism and slides close to the electric vehicle along the Y-axis direction, and then the battery grabbing mechanism drags the empty battery 40 to the battery access seat 14 On the top, the battery access seat 14 slides to the original position along the Y-axis direction to complete the work of taking out the empty battery 40; Take off the full battery 40 from the charging stand; then the rotating seat 13 rotates so that the positions of the two battery access seats 14 are interchanged, the full battery 40 is pushed into the electric vehicle, and the empty battery 40 is pushed into the charging stand In the battery 40 compartment, in the process of battery 40 access and replacement, the lifting seat 11 and the translation seat 12 will adjust the height and horizontal position of the battery access seat 14, so that the battery access seat 14 can be compared with the battery in different positions. The battery 40 compartment cooperates to access the battery 40 .

When the battery access seat 14 accesses the battery 40, it will slide out of the translation seat 12. In order to reduce the access resistance of the battery 40, a plurality of pulleys 141 are provided on both sides of the battery access seat 14, and the pulleys 141 are arranged along the The Y-axis direction is arranged at intervals, and the two sides of the front end of the battery access seat 14 are provided with positioning rods. The opening of the battery 40 can be accurately aligned to complete access to the battery 40 .

The bottom of the lifting base 11 is provided with a support member 20, the support member 20 includes a mounting arm 21 and a supporting arm 22, the mounting arm 21 is arranged obliquely upward, the supporting arm 22 is horizontally arranged, and a lifting angle is formed between the mounting arm 21 and the supporting arm 22 , the end of the mounting arm 21 is fixedly connected to the outer edge of the lifting base 11, the supporting arm 22 extends outward along the Y-axis direction to form a cantilever structure, the tail end of the supporting arm 22 is bent upwards to form a mounting platform, and a roller is provided on the mounting platform 31. The rotating shaft of the roller 31 is set along the X-axis direction. When the battery access seat 14 slides out of the translation seat 12 along the Y-axis direction, its lower end surface can be supported on the roller 31; On the platform, a waist hole 33 is opened on the side wall of the installation platform, and the mounting bolts of the lugs 32 are penetrated in the waist hole 33. The lugs 32 are installed by using the waist holes 33, and the installation height of the lugs 32 can be adjusted according to requirements, so that Realize the height adjustment of the roller 31 to improve the adaptability of the support 20; in order to ensure the stability of the installation of the support 20 and provide reliable support for the battery access seat 14, the end of the mounting arm 21 is integrally formed with a mounting edge, The installation edge includes a horizontal edge 23 and a vertical edge 24, the horizontal edge 23 abuts against the upper end surface of the outer edge of the lifting base 11, and the vertical edge 24 abuts against the front end surface of the outer edge of the lifting base 11, and then is fixed by bolts ; There are two supports 20 and two rollers 31, which are arranged at intervals in the middle of the outer edge of the lifting seat 11. When the battery access seat 14 slides out of the translation seat 12 to access the battery 40, it will pass through the rollers 31, and the support arms 22 and the rollers 31 will provide support to prevent its ends from being pressed down so that it can Smooth sliding, and the battery 40 on the battery access seat 14 can always be in a horizontal state. In the process of accessing the battery 40, it has a higher degree of cooperation with the battery exchange window of the electric vehicle and the hatch on the charging rack, improving power exchange efficiency.

The specific embodiments described herein are only examples to illustrate the spirit of the present utility model. Those skilled in the technical field to which the utility model belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the utility model or go beyond the appended claims defined range.

Claims

A battery exchange mechanism for an electric vehicle, characterized in that it includes a bracket, a lift seat, a translation seat, and a rotation seat, the lift seat is slidably mounted on the support, and can slide reciprocally along the Z-axis direction, and the translation seat is slidably mounted on the lift seat , and can slide back and forth along the X-axis direction, the rotating seat is set on the translation seat, and can rotate 180 degrees; the rotating seat is equipped with two battery access seats, and the battery access seats can slide back and forth along the Y-axis direction, The two battery access seats are equipped with a battery grabbing mechanism; the bottom of the lifting seat is provided with a support, and the support includes a mounting arm and a supporting arm. It forms a lifting angle with the support arm. The end of the installation arm is fixed on the outer edge of the lifting seat. The support arm extends outward along the Y-axis direction to form a cantilever structure. The tail end of the support arm is bent upward to form a mounting platform. A roller is arranged on the top, and the rotating shaft of the roller is arranged along the X-axis direction. When the battery access seat slides out of the translation seat along the Y-axis direction, its lower end surface is supported on the roller.
The battery exchange mechanism for electric vehicles according to claim 1, wherein the rotating shaft is installed on the mounting platform through the lugs, and a waist hole is opened on the side wall of the mounting platform, and the mounting bolts of the lugs pass through. Set in the waist hole.
The battery exchange mechanism for electric vehicles according to claim 1, wherein the end of the mounting arm is integrally formed with a mounting edge, the mounting edge includes a horizontal edge and a vertical edge, and the horizontal edge abuts against the lifting seat The upper end surface of the outer edge, the vertical edge abuts against the front end surface of the outer edge of the lifting seat.
The battery exchange mechanism for electric vehicles according to claim 1, wherein there are two support members and two rollers, which are arranged at intervals in the middle of the outer edge of the lifting seat.
The battery exchange mechanism for an electric vehicle according to any one of claims 1-4, wherein pulleys are provided on the side of the battery access seat, and the pulleys are arranged at intervals along the Y-axis direction.
The electric vehicle battery exchange mechanism according to claim 5, wherein positioning rods are provided on both sides of the front end of the battery access seat, and the positioning rods extend outward along the Y-axis direction.