Middle motor with dual-drive structure

Abstract

The utility model relates to the technical field of middle motors, and discloses a middle motor with a dual-drive structure, which comprises a case, a main motor and an auxiliary motor are arranged in the case, the output end of the main motor is fixedly connected with a first gear, and the output end of the auxiliary motor is connected with a clutch through a flying disc. And the interior of the case is rotationally connected with a second gear through a rotating shaft. According to the middle motor with the dual-drive structure, the auxiliary motor is additionally arranged on one side of the main motor, the first gear is arranged at the output end of the main motor, the output end of the auxiliary motor is connected with the rotating shaft of the second gear through the flying disc and the clutch, and the first gear and the second gear are in transmission connection through the steering gear; the auxiliary motor can be additionally started under the working conditions of climbing, loading and the like and is matched with the main motor to achieve dual drive, the overall output power is improved, the vehicle is driven to smoothly advance under the complex working conditions, the problems of overload, efficiency reduction and the like under the complex working conditions are solved, and the driving experience of a driver is improved.

Description

Technical Field

[0001] This application relates to the field of mid-drive motor technology, specifically a mid-drive motor with a dual-drive structure. Background Technology

[0002] Currently, most electric vehicles still use a single-motor drive structure, which relies on a single motor to output power and transmit it to the wheels to drive the vehicle. However, with the rapid growth of the electric vehicle market demand, users are becoming increasingly demanding in their requirements for performance. They not only expect vehicles to have stronger power performance and longer driving range, but also have higher standards for system reliability, which poses certain challenges to the single-motor drive structure.

[0003] Traditional single-motor drive systems are prone to overload and efficiency reduction under conditions such as climbing and heavy loads. Therefore, a mid-mounted motor with a dual-drive structure is proposed to improve the motor's output power and enable the vehicle to move smoothly under conditions such as climbing and heavy loads. Utility Model Content

[0004] To address the shortcomings of existing technologies, this application provides a mid-mounted motor with a dual-drive structure, which improves the motor's output power and enables the vehicle to move smoothly under conditions such as climbing hills and heavy loads, thus solving the problems mentioned in the background art.

[0005] To achieve the above objectives, this application provides the following technical solution: a mid-drive motor with a dual-drive structure, comprising a chassis, wherein a main motor and an auxiliary motor are disposed inside the chassis, a first gear is fixedly connected to the output end of the main motor, a clutch is connected to the output end of the auxiliary motor via a fly disc, a second gear is rotatably connected inside the chassis via a rotating shaft, the clutch disc of the clutch is connected to the rotating shaft of the second gear, and a steering gear is rotatably connected inside the chassis, the steering gear being disposed between the first gear and the second gear and meshing with the first gear and the second gear respectively.

[0006] The above solution aims to increase the output power of the motor by adding an auxiliary motor to one side of the main motor. A first gear is installed at the output end of the main motor, and the shaft of the second gear is connected to the output end of the auxiliary motor via a fly disc and a clutch. A steering gear is used to drive the first and second gears. This allows the auxiliary motor to be started additionally via the clutch under conditions such as climbing and heavy loads, thus cooperating with the main motor to achieve dual drive, improve the overall output power, drive the vehicle smoothly under complex conditions, avoid problems such as overload and efficiency reduction under complex conditions, and improve the driver's driving experience.

[0007] Furthermore, the chassis includes a chassis body and a chassis cover, which are fixedly connected by bolts.

[0008] The above-described design, which uses bolts to fix the housing and cover, greatly facilitates the maintenance and repair of the motor. Maintenance personnel can easily remove the cover from the housing using appropriate tools, allowing for quick inspection, repair, or replacement of internal motor components. This shortens maintenance time, improves work efficiency, and reduces maintenance costs. Simultaneously, it ensures the motor maintains good performance during long-term use, effectively improving maintainability and lifespan, reducing downtime due to motor failures, and guaranteeing the normal operation of the equipment.

[0009] Furthermore, the chassis is made of aluminum alloy.

[0010] The above solution uses aluminum alloy to make the chassis. Aluminum alloy is lightweight, which can significantly reduce the overall weight of the motor compared to traditional materials. In applications such as electric vehicles, weight reduction means reduced energy consumption and improved energy efficiency, which helps to extend the vehicle's range. At the same time, aluminum alloy also has high strength, which can provide reliable support and protection for the internal components of the motor, ensuring the stability of the motor during operation.

[0011] Furthermore, the outer surface of the chassis is coated with a corrosion-resistant coating.

[0012] Applying a corrosion-resistant coating to the outer surface of the chassis, as described above, is an important measure to improve the reliability and stability of the motor. The corrosion-resistant coating acts like a sturdy protective shield, effectively isolating harmful substances from contact with the chassis surface and preventing corrosion. This not only significantly extends the service life of the chassis but also avoids problems such as damage to internal motor components and performance degradation caused by chassis corrosion. At the same time, maintaining the integrity of the chassis also helps maintain the aesthetic appearance of the motor and improves the overall quality of the product.

[0013] Furthermore, the chassis is provided with a hanger on the outside, and the hanger is fixedly connected to the chassis by bolts.

[0014] The above solution involves installing a hanger on the outside of the chassis, which is fixedly connected to the chassis with bolts. This provides a strong guarantee for the stability and safety of the motor. During installation, the hanger can serve as a fixed support point for the motor and is firmly connected to the mounting foundation with bolts, ensuring that the motor can be stably installed in the designated position and will not be displaced due to vibration or external forces.

[0015] Furthermore, the hanger is made of stainless steel.

[0016] Through the above solution, stainless steel, with its high strength, can withstand large loads. During the use of the motor, the hanger needs to support the weight of the entire motor and remain stable under various operating conditions. The high strength of stainless steel ensures that the hanger can reliably fulfill this responsibility without deforming or being damaged due to excessive force. At the same time, stainless steel also has excellent corrosion resistance, resisting the erosion of harsh environments such as humidity, dust, and corrosive gases. This allows the hanger to maintain its stable appearance and performance during long-term use, without rusting or being damaged due to corrosion, thus extending the service life of the hanger.

[0017] Furthermore, the outer surface of the hanger is coated with a wear-resistant coating.

[0018] With the above solution, during the handling and installation of the motor, the hanger will inevitably rub against other objects. Without the protection of the wear-resistant coating, the surface of the hanger is easily worn, which not only affects its appearance but may also reduce the structural strength of the hanger and shorten its service life. The wear-resistant coating has excellent wear resistance and can effectively reduce the damage caused by friction during handling and installation. It is like a tough protective film that adheres tightly to the surface of the hanger and resists external friction and wear.

[0019] Furthermore, the dimensions of the first gear, the steering gear, and the second gear decrease sequentially.

[0020] Through the above scheme, the auxiliary motor can be started when needed by the meshing transmission of gears of different sizes, sharing part of the power demand, reducing the output power ratio of the main motor, so that both the main motor and the auxiliary motor can operate within a relatively reasonable load range, thereby improving the overall efficiency and reliability of the motor.

[0021] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0022] This mid-mounted motor with a dual-drive structure adds an auxiliary motor to one side of the main motor. A first gear is installed at the output end of the main motor, and the shaft of the second gear is connected to the output end of the auxiliary motor via a fly disc and a clutch. A steering gear is used to drive the first and second gears. Under conditions such as climbing and heavy loads, the auxiliary motor can be started additionally by the clutch to cooperate with the main motor to achieve dual drive, improve the overall output power, drive the vehicle smoothly under complex conditions, avoid problems such as overload and efficiency reduction under complex conditions, and improve the driver's driving experience. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the entire application;

[0024] Figure 2This is a structural diagram of the hanger for this application;

[0025] Figure 3 This is a structural diagram of the chassis in this application;

[0026] Figure 4 This is a structural diagram of the steering gear in this application;

[0027] Figure 5 This is a partial cross-sectional front view of the structure of this application.

[0028] In the picture:

[0029] 1. Chassis; 101. Housing; 102. Cover; 2. Main motor; 3. Auxiliary motor; 4. First gear; 5. Clutch; 6. Second gear; 7. Steering gear; 8. Hanger. Detailed Implementation

[0030] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0031] Please see Figure 1 , Figure 2 and Figure 3 In this embodiment, a mid-drive motor with a dual-drive structure includes a chassis 1. Inside the chassis 1, there is a main motor 2 and an auxiliary motor 3. The output end of the main motor 2 is fixedly connected to a first gear 4. The output end of the auxiliary motor 3 is connected to a clutch 5 via a fly disc. Inside the chassis 1, there is a second gear 6 rotatably connected via a rotating shaft. The clutch disc of the clutch 5 is connected to the rotating shaft of the second gear 6. Inside the chassis 1, there is a rotatably connected steering gear 7. The steering gear 7 is positioned between the first gear 4 and the second gear 6 and meshes with the first gear 4 and the second gear 6 respectively.

[0032] Please see Figure 1 , Figure 2 and Figure 3The chassis 1 includes a housing 101 and a cover 102, which are fixedly connected by bolts. This bolted connection greatly facilitates the maintenance and repair of the motor. Maintenance personnel can easily remove the cover 102 from the housing 101 using appropriate tools to quickly inspect, repair, or replace the internal components of the motor. This shortens maintenance time, improves work efficiency, and reduces maintenance costs. At the same time, it also enables the motor to maintain good performance during long-term use, effectively improving the maintainability and service life of the motor, reducing downtime caused by motor failure, and ensuring the normal operation of the equipment.

[0033] Please see Figure 1 , Figure 2 and Figure 3 The chassis 1 is made of aluminum alloy. Aluminum alloy is lightweight, which can significantly reduce the overall weight of the motor compared to traditional materials. In applications such as electric vehicles, weight reduction means reduced energy consumption and improved energy efficiency, which helps to extend the vehicle's range. At the same time, aluminum alloy also has high strength, which can provide reliable support and protection for the internal components of the motor, ensuring the stability of the motor during operation.

[0034] Please see Figure 1 , Figure 2 and Figure 3 The outer surface of the chassis 1 is coated with a corrosion-resistant coating. Applying a corrosion-resistant coating to the outer surface of the chassis 1 is an important measure to improve the reliability and stability of the motor. The corrosion-resistant coating acts like a sturdy protective shield, which can effectively isolate harmful substances from contact with the surface of the chassis 1 and prevent the chassis 1 from being corroded. This not only significantly extends the service life of the chassis 1, but also avoids problems such as damage to internal motor components and performance degradation caused by corrosion of the chassis 1. At the same time, maintaining the integrity of the chassis 1 also helps to maintain the appearance of the motor and improve the overall quality of the product.

[0035] Please see Figure 1 , Figure 2 and Figure 3 The chassis 1 is equipped with a hanger 8 on its exterior. The hanger 8 is fixedly connected to the chassis 1 by bolts. The hanger 8 fixedly connected to the chassis 1 by bolts on the exterior provides a strong guarantee for the stability and safety of the motor. During installation, the hanger 8 can serve as a fixed support point for the motor. It is firmly connected to the installation foundation by bolts to ensure that the motor can be stably installed in the designated position and will not be displaced due to vibration or external force.

[0036] Please see Figure 1 , Figure 2 and Figure 3The hanger 8 is made of stainless steel, which has high strength and can withstand large loads. During the use of the motor, the hanger 8 needs to support the weight of the entire motor and remain stable under various operating conditions. The high strength of stainless steel ensures that the hanger 8 can reliably fulfill this function without deforming or being damaged due to excessive force. At the same time, stainless steel also has excellent corrosion resistance, resisting the erosion of harsh environments such as humidity, dust, and corrosive gases. This allows the hanger 8 to maintain its stable appearance and performance during long-term use, without rusting or being damaged due to corrosion, thus extending the service life of the hanger 8.

[0037] Please see Figure 1 , Figure 2 and Figure 3 The outer surface of the hanger 8 is coated with a wear-resistant coating. During the handling and installation of the motor, the hanger 8 will inevitably rub against other objects. Without the protection of the wear-resistant coating, the surface of the hanger 8 is easily worn, which not only affects its appearance but may also reduce the structural strength of the hanger 8 and shorten its service life. The wear-resistant coating has excellent wear resistance and can effectively reduce the damage caused by friction during handling and installation. It is like a tough protective film that adheres tightly to the surface of the hanger 8 to resist external friction and wear.

[0038] Please see Figure 1 , Figure 2 and Figure 3 The dimensions of the first gear 4, the steering gear 7, and the second gear 6 decrease sequentially. Through the meshing transmission of gears of different sizes, the auxiliary motor 3 can be started when needed to share some of the power demand, reduce the output power ratio of the main motor 2, and enable both the main motor 2 and the auxiliary motor 3 to operate within a relatively reasonable load range, thereby improving the overall efficiency and reliability of the motor.

[0039] This embodiment features a mid-mounted motor with a dual-drive structure. By adding an auxiliary motor 3 to one side of the main motor 2, and setting a first gear 4 at the output end of the main motor 2, the output end of the auxiliary motor 3 is connected to the shaft of the second gear 6 via a fly disc and a clutch 5. A steering gear 7 is used to drive the first gear 4 and the second gear 6. Under conditions such as climbing and heavy loads, the auxiliary motor 3 can be additionally started via the clutch 5 to cooperate with the main motor 2 to achieve dual drive, improve the overall output power, drive the vehicle smoothly under complex conditions, avoid problems such as overload and efficiency reduction under complex conditions, and improve the driver's driving experience.

[0040] The working principle of the above embodiments is as follows:

[0041] Under normal driving conditions, the vehicle's power demand is relatively low. At this time, only the main motor 2 is running. The main motor 2's output drives the first gear 4 to rotate. Since the steering gear 7 meshes with both the first gear 4 and the second gear 6, the rotation of the first gear 4 drives the steering gear 7 to rotate, which in turn drives the second gear 6. However, since the auxiliary motor 3 is not running and the clutch 5 is disengaged, the power output of the auxiliary motor 3 is not transmitted to the second gear 6. Only the main motor 2 provides power to the vehicle through the transmission of the first gear 4, steering gear 7, and second gear 6, meeting the vehicle's daily driving power needs. When the vehicle encounters hills or heavy loads... Under heavy and complex operating conditions, the demand for power increases significantly. At this time, clutch 5 engages, and auxiliary motor 3 starts working. The output end of auxiliary motor 3 drives clutch 5 to rotate through the fly disc. After clutch 5 is engaged, it transmits power to the shaft of the second gear 6, causing the second gear 6 to start rotating. In this way, the main motor 2 and auxiliary motor 3 work simultaneously. Through the transmission of the first gear 4, steering gear 7 and second gear 6, the power of the two motors is superimposed to jointly drive the vehicle, which significantly improves the overall output power and ensures that the vehicle can move smoothly under complex operating conditions. It avoids problems such as overload and efficiency reduction caused by insufficient power, and provides the driver with a smoother and more stable driving experience.

[0042] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0043] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A mid-drive motor with a dual-drive structure, comprising a chassis (1), characterized in that: The chassis (1) is equipped with a main motor (2) and an auxiliary motor (3). The output end of the main motor (2) is fixedly connected to a first gear (4). The output end of the auxiliary motor (3) is connected to a clutch (5) via a fly disc. The chassis (1) is rotatably connected to a second gear (6) via a rotating shaft. The clutch plate of the clutch (5) is connected to the rotating shaft of the second gear (6). The chassis (1) is rotatably connected to a steering gear (7). The steering gear (7) is positioned between the first gear (4) and the second gear (6) and meshes with the first gear (4) and the second gear (6) respectively.

2. The machine according to claim 1, characterized in that: The chassis (1) includes a chassis body (101) and a chassis cover (102), which are fixedly connected by bolts.

3. A mid-drive motor with a dual-drive structure according to claim 1, characterized in that: The chassis (1) is made of aluminum alloy.

4. The machine according to claim 1, wherein: The outer surface of the chassis (1) is coated with a corrosion-resistant coating.

5. The machine according to claim 1, characterized in that: The chassis (1) is provided with a hanger (8) on the outside, and the hanger (8) is fixedly connected to the chassis (1) by bolts.

6. The machine according to claim 5, characterized in that: The hanger (8) is made of stainless steel.

7. The machine according to claim 5, characterized in that: The outer surface of the hanger (8) is coated with a wear-resistant coating.

8. A mid-drive motor with a dual-drive structure according to claim 1, characterized in that: The dimensions of the first gear (4), the steering gear (7), and the second gear (6) decrease sequentially.

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