Battery replacing trolley lifting system of electric vehicle battery replacing system

By designing the battery swap car lifting system of the electric vehicle battery swap system, the motor drives the multi-stage sprocket and pulley transmission structure, combined with the synergy between the double-layer flat belt and the guide wheel, the electric vehicle battery swap system is solved at the front end of the battery swap system The problem of automatically storing and retrieving batteries from multi-layer battery compartments achieves efficient and automated battery swap operations.

CN222454423UActive Publication Date: 2025-02-11QINGDAO KEJIE NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202421183014.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2025-02-11
Estimated Expiration
2034-05-28

AI Technical Summary

Technical Problem

When the existing electric vehicle battery swap system replaces the front end, it is difficult to automatically store and retrieve the battery from the multi-layer battery compartment, resulting in a low level of battery swap efficiency and automation.

Method used

A battery swap car lifting system for electric vehicle battery swap system is designed, using a motor-driven multi-stage sprocket and pulley transmission structure, combined with the synergy between the double-layer flat belt and the guide wheel, to achieve rapid positioning and stability of the battery swap car Support and ensure the stability and guidance accuracy of the battery swap car during vertical movement through guide devices.

Benefits of technology

It realizes the automation of battery storage during battery replacement on the front end of the electric vehicle, improves battery swap efficiency and automation level, and enhances the accuracy and safety of battery swap operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a battery replacing trolley lifting system of an electric vehicle battery replacing system, which comprises a motor, a chain wheel I coaxially connected with an output shaft of the motor, a chain wheel II and a chain wheel III arranged on a transmission shaft I. The transmission shaft I is arranged on a battery replacing station main frame through a bearing seat, and a chain wheel IV is arranged on the transmission shaft II. The transmission shaft II is installed on the battery replacing station main frame through a mounted bearing, the chain wheel I is connected with the chain wheel II through a chain, the chain wheel III is connected with the chain wheel IV through a chain, belt wheels are installed at the two ends of the transmission shaft II and installed on the battery replacing station main frame, and two layers of flat belts are wound on the two belt wheels respectively. Wherein one layer of flat belt is connected with a lifting adjusting seat through a flat belt guide wheel arranged on one side of the main frame, the other layer of flat belt is connected with the lifting adjusting seat through a flat belt guide wheel arranged on the other opposite side of the battery replacing station main frame, and the lifting adjusting seat is fixed on the battery replacing trolley frame. The utility model solves the problem of automatic battery storage during battery replacement at the front end of the electric vehicle in the prior art.
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Description

Technical Field

[0001] The present application belongs to the technical field of battery replacement for electric vehicles, and in particular, relates to a lifting system for a battery replacement trolley of an electric vehicle battery replacement system. Background Art

[0002] In the context of the rapid development of electric vehicles, battery swapping technology has received increasing attention as an effective means to solve the problem of electric vehicle endurance. Especially in the field of commercial vehicles, fast battery swapping can not only significantly improve the operating efficiency of vehicles, but also reduce the waiting time for battery charging, which is of great significance for improving logistics and transportation efficiency. However, the design and implementation of the battery swapping trolley, the core equipment of the battery swapping station, faces challenges in many aspects.

[0003] Existing battery swapping systems mostly adopt the middle and rear-end battery swapping method, and the front-end battery swapping is more widely used in the field of electric vehicle technology. In view of this, the industry urgently needs to develop a lifting system for front-end battery swapping. Utility Model Content

[0004] In view of the deficiencies existing in the related technologies, the utility model provides a lifting system for a battery-swapping trolley of an electric vehicle battery-swapping system, which solves the technical problem of automatically storing and retrieving batteries from a multi-layer battery compartment when replacing batteries at the front end of the electric vehicle battery-swapping system.

[0005] In a possible embodiment, a lifting system for a battery swapping trolley of an electric vehicle battery swapping system is provided, including a motor installed on a general frame of a battery swapping station; sprocket I is coaxially connected to the output shaft of the motor, sprocket II and sprocket III are installed on a transmission shaft I, transmission shaft I is installed on the general frame of the battery swapping station through a bearing seat, sprocket IV is installed on transmission shaft II, transmission shaft II is installed on the general frame of the battery swapping station through a seat bearing; sprocket I is connected to sprocket II through a chain; sprocket III is connected to sprocket IV through a chain; pulleys are installed at both ends of transmission shaft II, and the pulleys are installed on the general frame of the battery swapping station, two layers of flat belts are respectively wound on the two pulleys, one layer of flat belt is connected to a lifting and adjusting seat through a flat belt guide wheel installed on one side of the general frame, and the other layer of flat belt is connected to the lifting and adjusting seat through a flat belt guide wheel installed on the other side of the general frame of the battery swapping station; the lifting and adjusting seat is fixed to the battery swapping trolley frame by bolts, and the battery swapping trolley is installed on the battery swapping trolley frame.

[0006] In a possible implementation, the battery swapping trolley lifting system further includes a guide device, which is mounted on the battery swapping trolley frame and the overall frame of the battery swapping station.

[0007] In a possible implementation, the guiding device includes an elevator guide rail and a guide shoe, and the guide shoe is arranged on the battery swap trolley frame; the elevator guide rail is arranged on four columns of the overall frame of the battery swap station, and the guide shoe is nested in the elevator guide rail.

[0008] In a possible implementation, the flat belt guide wheels are installed at the four corners of the overall frame of the battery swap station.

[0009] In a possible implementation, the diameter of sprocket I in the battery-exchange trolley lifting system is smaller than the diameter of sprocket II; the diameter of sprocket III is smaller than the diameter of sprocket IV.

[0010] In a possible implementation, the elevator guide rails and guide shoes are respectively nested groove structures, with four groups being respectively arranged at the four corners of the overall frame of the battery swap station.

[0011] Based on the above technical scheme, the battery-swapping trolley lifting system of the electric vehicle battery-swapping system of the utility model, the setting of the motor and the multi-stage sprocket transmission structure makes the movement of the lifting mechanism more stable and efficient, and at the same time, through the coordinated action of the double-layer flat belt and the guide wheel, the lifting and adjusting seat can be accurately moved within the overall frame, thereby realizing the rapid positioning and stable support of the battery-swapping trolley; at the same time, compared with the previous chain structure, the battery-swapping trolley lifting system of the present application has lower noise during operation and improves the use environment; the guiding device, including elevator guide rails and guide shoes, ensures the stability and guiding accuracy of the battery-swapping trolley during vertical movement, prevents potential swinging or deviation, and improves the safety and reliability of the entire battery-swapping process; realizes the automation of battery storage when the front end of the electric vehicle is replaced, improves the battery replacement efficiency and automation level, and improves the accuracy of battery replacement operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0013] Figure 1 This is a schematic structural diagram of a lifting system for a battery-swapping trolley of an electric vehicle battery-swapping system according to one embodiment of the utility model;

[0014] Figure 2 for Figure 1 A magnified image of

[0015] Figure 3 This is a schematic diagram of the battery swap trolley lift system and battery compartment installation location;

[0016] Figure 4 Schematic diagram of the process of battery replacement for electric vehicles.

[0017] In the figure:

[0018] 8. Automobile; 301. Battery; 10. Camera lens; 302. Battery compartment; 41. Overall frame of battery swap station; 42. UCPH bearing with seat; 43. Pulley; 44. Flat belt; 45. Flat belt guide wheel; 46. Sprocket I; 461. Sprocket III; 47. Drive shaft I; 48. Motor; 49. Sprocket II; 410. Bearing seat UCP; 411. Sprocket IV; 412. Guide shoe; 413. Elevator guide rail; 414. Drive shaft II; 415. Lifting adjustment seat; 416. Battery swap trolley frame. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the examples of the present application to clearly and completely describe the technical solutions in the embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments of the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0020] In the description of the present application, it should be understood that the terms "center", "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0021] The terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Thus, a feature defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features.

[0022] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0023] In order to solve the technical problem of automatically storing and retrieving batteries from multi-layer battery compartments when replacing batteries at the front end of an electric vehicle battery replacement system in the prior art, the present application provides a lifting system for a battery replacement trolley of an electric vehicle battery replacement system.

[0024] See also Figure 1 and Figure 2In a possible implementation, a battery swapping trolley lifting system for an electric vehicle battery swapping system includes: a motor 48, which is installed on a general frame 41 of a battery swapping station; a sprocket Ⅰ46 is coaxially connected to the output shaft of the motor 48, a sprocket Ⅱ49 and a sprocket Ⅲ461 are installed on a transmission shaft Ⅰ47, and the transmission shaft Ⅰ47 is installed on the general frame 41 of the battery swapping station through a bearing seat UCP410, a sprocket Ⅳ411 is installed on a transmission shaft Ⅱ414, and the transmission shaft Ⅱ414 is installed on the general frame 41 of the battery swapping station through a seat bearing UCPH42; the sprocket Ⅰ46 is connected to the sprocket Ⅱ49 through a chain; the sprocket Ⅲ461 and Sprocket IV 411 is connected by a chain; pulleys 43 are installed at both ends of the transmission shaft II 414, and the pulleys 43 are installed on the main frame 41 of the battery swap station. Two layers of flat belts 44 are respectively wound on the two pulleys 43, one layer of flat belts 44 is connected to the lifting and adjusting seat 415 through a flat belt guide wheel 45 installed on one side of the main frame 41, and the other layer of flat belts 44 is connected to the lifting and adjusting seat 415 through a flat belt guide wheel 45 installed on the other side of the main frame 41 of the battery swap station; the lifting and adjusting seat 415 is fixed to the battery swap trolley frame 416 by bolts; the battery swap trolley is installed on the battery swap trolley frame 416.

[0025] In the above solution, the motor 48 is installed on the main frame 41 of the battery swap station to provide a power source.

[0026] The sprocket I 46 is coaxially connected to the output shaft of the motor 48 for transmitting power.

[0027] Sprocket II 49 and sprocket III 461 are installed on the transmission shaft I 47 and fixed on the main frame 41 of the battery swap station through the bearing seat 410 .

[0028] The sprocket IV 411 is mounted on the transmission shaft II 414 , and the transmission shaft II 414 is mounted on the main frame 41 of the battery swap station through a seat bearing 42 .

[0029] Chain connection, sprocket I 46 and sprocket II 49 as well as sprocket III 461 and sprocket IV 411 are connected through chains to achieve force transmission.

[0030] Pulleys 43 are installed at both ends of the transmission shaft II 414, and two layers of flat belts 44 are wound around the two pulleys.

[0031] The flat belt guide wheels 45 are respectively installed on both sides of the main frame 41 of the battery swap station, and are used to guide the flat belt 44 to connect to the lifting and adjusting seat 415.

[0032] The lifting and adjusting seat 415 is fixed to the battery-swapping trolley frame 416 by bolts to realize the lifting and lowering adjustment of the battery-swapping trolley.

[0033] The battery swapping trolley is mounted on the battery swapping trolley frame 416, see FIG. 4, the camera lens 10 detects that the battery 301 has reached the front end of the electric car 8; or see Figure 3 The lifting system 40 is placed between the battery compartment 302 and the compartment door. The battery 301 stops when it reaches the layer where the battery compartment 302 is located, and the battery replacement operation is performed.

[0034] When the motor 48 is started, the coaxially connected sprocket I 46 rotates, driving the sprocket II 49 and the sprocket III 461 to transmit power to the sprocket IV 411 through the chain, and the flat belt 44 is pulled by the pulley 43, so that the lifting and adjusting seat 415 moves up and down along the guide wheel 45, realizing the lifting and lowering function of the battery-changing trolley.

[0035] This embodiment uses a combination of multiple sprockets and pulleys driven by a motor to achieve smooth lifting and lowering of the battery exchange cart, allowing it to move between the various layers of the battery compartment 302 and automatically store and retrieve batteries, thereby improving battery exchange efficiency and safety.

[0036] In a possible implementation, it also includes: a guiding device, which is mounted on the battery swapping vehicle frame 416 and the battery swapping station main frame 41.

[0037] In the above scheme, the guide device is installed on the battery swapping trolley frame 416 and the overall frame 41 of the battery swapping station. The guide device ensures the precise movement of the battery swapping trolley in the vertical direction by providing stable guidance between the battery swapping trolley frame 416 and the overall frame 41 of the battery swapping station, avoids swinging or deviation from the predetermined path during the lifting process, and ensures the stability and precise guidance of the battery swapping trolley during the lifting process; improves the operating stability of the battery swapping trolley, reduces errors during operation, and further improves the battery swapping efficiency and system reliability.

[0038] In a possible implementation, the guiding device includes an elevator guide rail 413 and a guide shoe 412 , and the guide shoe 412 is disposed on the battery swap trolley frame 416 ; the elevator guide rail 413 is disposed on four columns of the battery swap station overall frame 41 , and the guide shoe 412 is nested in the elevator guide rail 413 .

[0039] In the above scheme, the elevator guide rail 413 cooperates with the guide shoe 412 to realize the smooth up and down movement of the battery swapping trolley frame 416 along the elevator guide rail 413. The nested setting of the guide shoe 412 and the elevator guide rail 413 ensures the stability and accuracy of the battery swapping trolley during the vertical movement, so that the battery swapping trolley has better guidance and stability during the lifting process, reduces operational errors caused by path deviation, and improves the safety and efficiency of the battery swapping operation.

[0040] In a possible implementation, the flat belt guide wheels 45 are installed at the four corners of the overall frame 41 of the battery swap station.

[0041] In the above scheme, the flat belt guide wheels 45 are installed at the four corners of the main frame 41 of the battery swap station, effectively guiding the flat belt 44 to maintain balance and stability during the lifting and lowering process of the lifting and adjusting seat 415. This position arrangement makes the force on the flat belt more uniform, avoiding the flat belt from being offset or twisted during the pulling process.

[0042] In a possible implementation, the diameter of sprocket I 46 is smaller than the diameter of sprocket II 49 ; the diameter of sprocket III 461 is smaller than the diameter of sprocket IV 411 .

[0043] The output shaft of motor 48 is connected to sprocket I46, sprocket I46 is connected to sprocket II49 through a chain, forming a first-stage reduction, sprocket I46 is sprocket Z15, sprocket II49 is sprocket Z30; sprocket II49 is coaxial with sprocket III461, sprocket III461 and sprocket IV411 form a second-stage reduction through a chain, sprocket III461 is sprocket Z15, sprocket IV411 is sprocket Z30, ensuring the stable operating speed of the lifting system.

[0044] In a possible implementation manner, the elevator guide rail 413 and the guide shoe 412 are respectively nested groove structures.

[0045] In the above solution, the groove structure of the elevator guide rail 413 and the guide shoe 412 allows the guide shoe to be stably embedded in the elevator guide rail, providing smooth and precise vertical guidance, while allowing the guide shoe to slide easily in the guide rail.

[0046] In a possible implementation, there are four groups of elevator guide rails 413 and guide shoes 412, which are respectively arranged at the four corners of the main frame 41 of the battery swap station.

[0047] In the above solution, the configuration of four sets of elevator guide rails and guide shoes provides four points of support, ensuring the stability and balance of the battery swap trolley during the lifting process, dispersing the load, reducing the pressure on a single guide rail, and improving the carrying capacity and operational safety of the entire system.

[0048] The utility model discloses a lifting system for a battery-swapping trolley of an electric vehicle battery-swapping system. The arrangement of a motor and a multi-stage sprocket transmission structure makes the movement of the lifting mechanism smoother and more efficient. At the same time, through the coordinated action of the double-layer flat belt and the guide wheel, the lifting and adjusting seat can be accurately moved within the overall frame, thereby realizing rapid positioning and stable support of the battery-swapping trolley. The guiding device, including elevator guide rails and guide shoes, ensures the stability and guiding accuracy of the battery-swapping trolley during vertical movement, prevents potential swinging or deviation, and improves the safety and reliability of the entire battery-swapping process. It realizes the automation of battery storage when the front end of the electric vehicle is replaced, improves the battery replacement efficiency and automation level, and improves the accuracy of the battery replacement operation.

[0049] Finally, it should be noted that: the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0050] The above embodiments are only used to illustrate the technical solution of the present application rather than to limit it. Although the present application has been described in detail with reference to the preferred embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the present application can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the present application, which should be included in the scope of the technical solution requested for protection in the present application.

Claims

1. A battery-swapping trolley lifting system for an electric vehicle battery-swapping system, characterized in that: include: A motor (48) is mounted on the main frame (41) of the power exchange station; The sprocket wheel I (46) is coaxially connected to the output shaft of the motor (48), the sprocket wheel II (49) and the sprocket wheel III (461) are installed on the transmission shaft I (47), the transmission shaft I (47) is installed on the overall frame (41) of the battery swap station through the bearing seat UCP (410), the sprocket wheel IV (411) is installed on the transmission shaft II (414), and the transmission shaft II (414) is installed on the overall frame (41) of the battery swap station through the seat bearing UCPH (42); The sprocket I (46) is connected to the sprocket II (49) via a chain; The sprocket III (461) is connected to the sprocket IV (411) via a chain; Pulleys (43) are installed at both ends of the transmission shaft II (414), and the pulleys (43) are installed on the main frame (41) of the battery swap station. Two layers of flat belts (44) are respectively wound on the two pulleys (43), one layer of the flat belt (44) is connected to the lifting and adjusting seat (415) through a flat belt guide wheel (45) installed on one side of the main frame (41), and the other layer of the flat belt (44) is connected to the lifting and adjusting seat (415) through a flat belt guide wheel (45) installed on the other side of the main frame (41) of the battery swap station; The lifting adjustment seat (415) is fixed on the battery-swapping trolley frame (416) by bolts; The battery-swapping trolley is mounted on the battery-swapping trolley frame (416).

2. The electric vehicle battery replacement system battery replacement trolley lifting system according to claim 1 is characterized in that: Also includes: The guide device is mounted on the battery swapping trolley frame (416) and the battery swapping station main frame (41).

3. The electric vehicle battery replacement system battery replacement trolley lifting system according to claim 2 is characterized in that: The guide device comprises an elevator guide rail (413) and a guide shoe (412), wherein the guide shoe (412) is arranged on a battery-exchanging trolley frame (416); The elevator guide rails (413) are arranged on four upright posts of the main frame (41) of the battery swap station, and the guide shoes (412) are nested in the elevator guide rails (413).

4. The electric vehicle battery replacement system battery replacement trolley lifting system according to claim 3 is characterized in that: The flat belt guide wheels (45) are installed at the four corners of the main frame (41) of the battery swap station.

5. The electric vehicle battery replacement system battery replacement trolley lifting system according to claim 4 is characterized in that: The diameter of the sprocket I (46) is smaller than the diameter of the sprocket II (49); The diameter of the sprocket III (461) is smaller than the diameter of the sprocket IV (411).

6. The electric vehicle battery replacement system battery replacement trolley lifting system according to claim 5 is characterized in that: The elevator guide rail (413) and the guide shoe (412) are respectively nested groove structures.

7. The electric vehicle battery replacement system battery replacement trolley lifting system according to claim 6 is characterized in that: There are four sets of elevator guide rails (413) and guide shoes (412), which are respectively arranged at the four corners of the main frame (41) of the battery swap station.