Permanent magnet synchronous motor and gear all-in-one machine with lightweight structural design

Abstract

The invention relates to the technical field of permanent magnet synchronous motors, in particular to a permanent magnet synchronous motor and gear all-in-one machine with a lightweight structural design, which comprises a driving motor, a driving rotating rod, a protective shell, a bracket assembly, a reduction gear set and an output rotating rod, the driving motor is a permanent magnet synchronous motor, and the driving rotating rod is installed at the output end of the driving motor. When the driving rotating rod rotates, the conveying protruding strips arranged in the driving rotating rod can generate thrust, and the thrust drives cooling water to move towards the support assembly. The protection shell is installed on the side face of the driving rotating rod, and the support assembly is installed in the protection shell. Cooling water flows in a support plate in the support assembly for cooling and is input into an output rotating rod. The reduction gear set is installed in the support assembly, and the output rotating rod is installed on the side face of the reduction gear set. A pressure cavity and a control cavity are formed in the output rotating rod, and water pressure pushed by the driving rotating rod is resisted under the balance action of oil pressure and air pressure.

Description

Technical Field

[0001] The present invention relates to the technical field of permanent magnet synchronous motors, and particularly to a permanent magnet synchronous motor gear integrated machine with a lightweight structure design. Background Art

[0002] The lightweight design of permanent magnet synchronous motor speed reducers is an inevitable result of the modern industry's demand for high efficiency, energy conservation, and miniaturization. Its advantages are mainly reflected in the following aspects: Reducing inertia: After the mass of the speed reducer is reduced, the total inertia of the system decreases, improving the dynamic response speed of the motor and resulting in better speed regulation and braking performance. Reducing energy consumption: The reduced mass can lower the energy consumption of the driving motor, especially in application scenarios that require frequent acceleration and deceleration, where the energy-saving effect is more significant. Material cost: The lightweight design usually uses high-performance lightweight materials (such as aluminum alloy, engineering plastics, etc.). While reducing the usage of traditional steel materials, it can also simplify the manufacturing process. Transportation and installation costs: After the self-weight of the speed reducer is reduced, the transportation difficulty and cost decrease, and it is also convenient for manual or robotic installation. Portability: A lighter speed reducer is easier to use in mobile devices or environments with limited space, such as drones, robots, and small automation equipment. Adapt to more application scenarios: The lightweight speed reducer can adapt to special industries that are sensitive to size and weight, such as aerospace and medical equipment.

[0003] Although the lightweight design brings many benefits, there are also certain technical challenges and design difficulties in achieving this goal: While reducing the mass, it is necessary to ensure that the speed reducer can withstand high loads and impact forces during operation. Selecting materials that are both lightweight and high-strength (such as aluminum alloy, carbon fiber, or engineering plastics) is the key. High-performance lightweight materials often have higher costs, which may lead to an increase in the overall manufacturing cost of the speed reducer. To ensure the structural strength after lightweighting, a large amount of simulation and optimization of the design needs to be carried out through finite element analysis, making the design process more complex. After weight reduction, the rigidity may decrease, and the speed reducer is prone to vibration and noise during high-speed operation, requiring additional structural strengthening or damping design.

[0004] Especially the loss of heat dissipation performance. During long-term operation of the motor, a large amount of heat will be generated. Lightweighting often adopts a thin-wall design or high-thermal-conductivity materials, which may lead to insufficient heat dissipation capacity while reducing the weight. Especially in high-power or long-term operation conditions, it is easy to cause the motor to shut down.

[0005] In view of the above situation, in order to overcome the above technical problems, the present invention designs a permanent magnet synchronous motor gear integrated machine with a lightweight structure design, solving the above technical problems. Summary of the Invention

[0006] The technical objective to be achieved by the present invention is to design a permanent magnet synchronous motor gear integrated machine with a lightweight structure design. While carrying out a hollowing lightweight design on the internal components of the permanent magnet synchronous motor gear integrated machine, water cooling circulation is used to improve the heat dissipation capacity, greatly improving the heat dissipation efficiency of the lightweight permanent magnet synchronous motor gear integrated machine, thereby enhancing the working time and the output efficiency of the maximum power during operation.

[0007] In order to achieve the above technical objective, the present invention provides the following technical solutions:

[0008] The permanent magnet synchronous motor gear integrated machine with a lightweight structure design takes into account lightweight, efficient heat dissipation and operation stability. The integrated machine is mainly composed of a driving motor, a driving rotating rod, a protective housing, a bracket assembly, a speed reduction assembly and an output rotating rod, etc., and each part is closely matched.

[0009] The driving motor of the device adopts a permanent magnet synchronous motor, which has the characteristics of high efficiency, stability and energy saving. The output end of the driving motor is equipped with a driving rotating rod. The driving rotating rod not only undertakes the function of rotational output, but also generates a thrust force through the transport ribs designed inside it, thereby realizing the transportation of cooling water. Specifically, when the driving rotating rod rotates, the internal transport ribs use their special shape design to push the cooling water towards the bracket assembly. This design not only makes full use of the rotational kinetic energy of the driving rotating rod, but also effectively transports the cooling water to the key parts of the system, improving the overall heat dissipation efficiency.

[0010] The protective housing is located on the side of the driving rotating rod, which is used to protect the internal components of the device from the influence of the external environment and at the same time provides a support structure. The bracket assembly is installed inside the housing. The bracket assembly guides the flow of the cooling water through a precise bracket plate structure, ensuring that the cooling water can efficiently cool the key components. After the cooling water circulates and cools inside the bracket plate, it is further transported to the output rotating rod to provide continuous heat dissipation support for the output components.

[0011] The speed reduction assembly is integrated inside the bracket assembly and is used to precisely reduce the high rotational speed of the driving motor, thereby outputting a suitable low speed and high torque. The gear set ensures smooth power transmission of the integrated machine under heavy load conditions through its close cooperation with the output rotating rod.

[0012] The design of the output rotating rod incorporates advanced hydraulic and pneumatic balance technologies. Inside it, there are a pressure chamber and a control chamber. During the operation of the device, an accurate balance is formed between the oil pressure and the air pressure to counteract the water pressure fluctuations generated by the active rotating rod pushing the cooling water. This design not only improves the operating stability of the device but also extends the service life of key components. Through lightweight design, this permanent magnet synchronous motor gear integrated machine not only reduces the equipment weight but also significantly improves the heat dissipation efficiency and system reliability, and is applicable to fields with high requirements for volume, mass, and performance, such as intelligent manufacturing, industrial automation, and new energy vehicles, etc.

[0013] The structure of the active rotating rod is exquisitely designed and includes an active rod body, a water storage chamber, a transport rib, a hex nut, and a fixing bolt. Each part has a clear function and works together. The active rod body is installed at the output end of the drive motor and is the core component of the active rotating rod, responsible for transmitting the rotational torque of the drive motor to the reduction system. To optimize the heat dissipation performance of the device, a water storage chamber is designed inside the active rod body to store and transport the cooling water. Inside the water storage chamber, there are transport ribs, and their special shape and layout can generate a driving force when the active rotating rod rotates, effectively driving the cooling water in the water storage chamber to flow to the support assembly to achieve the heat dissipation cycle.

[0014] A hex nut is installed on the side of the active rod body and is connected to other components through the fixing bolt at its center. The hex nut and the fixing bolt not only ensure the stable connection of the active rotating rod with the surrounding structure but also provide convenience for the maintenance and disassembly of the device. The overall design combines mechanical strength and functionality, giving full play to the core role of the active rotating rod in the transmission and cooling processes.

[0015] The water storage chamber adopts a radial design, and its radius gradually decreases from the drive motor towards the protective housing direction. This design makes full use of the centrifugal force principle to generate an effective thrust on the cooling water inside the water storage chamber when the active rod body rotates, guiding it to the support assembly for cooling circulation. The flow path of the cooling water in the water storage chamber is optimized. As the water storage chamber gradually narrows radially, the flow velocity and pressure of the water naturally increase, thereby improving the cooling efficiency. This gradually narrowing layout can distribute the thrust more evenly, avoiding water stagnation or disorder.

[0016] The transport ribs arranged in a spiral shape are set inside the water storage chamber. The spiral structure is ingeniously designed. It can not only generate a stable swirl using the rotational kinetic energy but also further push the cooling water to flow along the established path, making the water flow more concentrated and orderly. This spiral rib design can also reduce the local overheating phenomenon caused by the retention of the cooling water in the chamber, thereby improving the heat dissipation performance of the entire system. This structure combining dynamic mechanics and lightweight design fully enhances the operating stability and efficiency of the permanent magnet synchronous motor gear integrated machine, especially suitable for industrial applications with high heat dissipation requirements.

[0017] The bracket assembly is composed of a bracket plate, connecting columns, mounting rings, and a rotating shaft. Its overall structure is designed to be compact, and the functional layout is reasonable. The bracket plate is installed inside the housing, playing a role in supporting and fixing the core components of the device, while providing a channel for the flow of cooling water. The connecting columns are located between the two bracket plates, ensuring the stability of the distance and position between the bracket plates and enhancing the mechanical strength of the overall structure. The mounting rings are fixed on the bracket plates, used for connecting and supporting other rotating components, providing a stable fulcrum for their operation. The rotating shaft is also arranged on the bracket plates. As an important component of the transmission system, it is used to transmit the power of the driving rotating rod to the reduction assembly and the output rotating rod. Through precise geometric design and material selection, this assembly ensures that the bracket assembly can still maintain stability under high load and high-speed operation, fully meeting the high-efficiency transmission and heat dissipation requirements of the reducer integrated system.

[0018] The structure of the bracket plate is exquisitely designed, including a water delivery ring groove, a water delivery cavity, and a water delivery flow channel, aiming to improve the flow efficiency of the cooling water. The water delivery ring groove is opened inside the mounting ring, playing a role in guiding the cooling water into the bracket plate to ensure that the cooling water can smoothly enter the water delivery cavity of the bracket plate. The water delivery cavity is located in the middle of the bracket plate and is the main cooling water storage and distribution area of the entire system. Through reasonable layout, the cooling water can be evenly distributed and effectively dissipate heat. The water delivery flow channel is arranged between the water delivery cavity and the connecting columns, playing a role in connecting and guiding the flow of the cooling water, enabling the cooling water to be smoothly transported from the water delivery cavity to other components through the flow channel, ensuring good heat dissipation performance of all parts of the system. This design fully considers the optimization of the cooling water flow, enabling the bracket plate to maintain structural stability while achieving efficient heat dissipation.

[0019] The reduction assembly is a key component in this device, including a driving gear, multiple reduction gears, an output gear, and structural through-holes, aiming to convert the high rotational speed of the motor into the required low-speed output through an efficient gear transmission system. The driving gear is installed in the middle of the bracket assembly, directly connected to the driving motor, and receives the power provided by the motor. Multiple reduction gears are sequentially meshed with the driving gear, reducing the rotational speed through step-by-step reduction while maintaining sufficient torque output to ensure the smooth operation of the device. The output gear is installed next to the last reduction gear and is directly connected to the output rotating rod, transmitting the reduced power to other components of the system.

[0020] To reduce the overall weight of the gear set and improve efficiency, the structural through-holes are designed on the surfaces of the driving gear, reduction gears, and output gear. By opening structural through-holes on the gear surfaces, the mass of the gears can be effectively reduced, the inertia of the system can be decreased, and the dynamic response performance can be improved, while not affecting the strength and transmission stability of the gears. This design takes into account both performance and lightweight requirements, providing a strong guarantee for the efficient operation of the reduction assembly.

[0021] The driving gear includes a gear body, a mounting sleeve, a fixing groove, and a connecting flow channel; the gear body is set as the main part of the driving gear, the mounting sleeve is installed on the side of the gear body, the fixing groove is opened inside the mounting sleeve, and the connecting flow channel is opened at the bottom of the mounting sleeve.

[0022] The output rotating rod has a complex structural design and is composed of multiple parts such as an output rod body, an intercepting ring, a piston, a support spring, a control block, and a connecting flow channel, aiming to ensure the stability and accuracy of power output. The output rod body is installed on the side of the speed reduction component and serves as the core component connecting the speed reduction component and other components, transmitting the low-speed and high-torque power transmitted by the gear set. The intercepting ring is located at the topmost inside of the output rod body and is used to limit the movement range of the piston to prevent the piston from exceeding the designed track, thus ensuring the normal operation of the system.

[0023] The piston is installed inside the output rod body and plays a role in regulating and controlling hydraulic or pneumatic pressure to ensure balance and stability during power transmission. The support spring is installed below the piston and is mainly used to provide elastic force to ensure that the piston can return to its original position during operation and maintain the working pressure of the system. The control block is set outside the output rod body and is responsible for the control and regulation of the hydraulic system to optimize work efficiency. The connecting flow channel is opened at the bottom end of the output rod body and is used to connect the coolant or oil flow channel, enabling the coolant to circulate effectively and further improving the heat dissipation performance and overall working stability of the output rotating rod.

[0024] The control block is an important regulating component in the whole system and is composed of a control ring, a pressure chamber, a control chamber, and a limit ring, aiming to precisely control the pressure and flow rate in the system and ensure the stable operation of the equipment. The control ring is installed inside the control block and plays a role in separating and regulating, making the pressure chamber and the control chamber form independent regions, respectively responsible for different functions. The pressure chamber is located above the control ring and is a closed cavity part dedicated to placing inert gas. The role of the inert gas in the pressure chamber is to counteract the hydraulic oil pressure from the control ball and effectively buffer the movement of the piston, reducing the impact force of the piston during operation and ensuring the smooth start and stop of the system.

[0025] The control chamber is set below the control ring and is filled with hydraulic oil. The role of the hydraulic oil in the control chamber is crucial. It not only provides the necessary pressure but also, when the driving motor is not working, uses the pressure of the hydraulic system to push the cooling water back to the water storage chamber to realize the automatic adjustment of the water circulation system. Through precise control of the hydraulic oil, the coolant flow of the system becomes smoother, effectively improving the heat dissipation effect of the entire device.

[0026] The limit ring is installed inside the control block, which is used to limit the movement range of each component, ensuring that the working states of the pressure chamber and the control chamber are always within the set safe range, and avoiding overpressure or other dangerous situations. Through these designs, the control block plays a precise regulation role in the system, ensuring that the entire system operates efficiently while maintaining safety and stability.

[0027] The beneficial effects of the present invention are as follows:

[0028] (1) By adopting a hollow design in the active rotating rod and the output rotating rod, the present invention not only effectively reduces the weight of the overall device, but also realizes material savings and performance optimization. Specifically, the hollow design enables the internal space of the rotating rod not to be filled with solid materials, but to form a cavity inside the rotating rod by maintaining appropriate structural strength and stiffness. The direct benefits brought by this design are: Saving raw materials: Traditional solid rotating rods require a large amount of metal or other materials. However, the hollow design significantly reduces the material usage while retaining the necessary mechanical strength and rigidity of the rotating rod, thereby reducing the manufacturing cost. This makes the production process of the entire device more efficient and economical. Reducing weight: The hollow design can effectively reduce the mass of the rotating rod and the weight of the entire system. For high-speed rotating equipment, a lighter structure can reduce the inertial load, decrease the energy loss during startup and shutdown, and thus improve the operating efficiency and response speed. This is of great significance for reducing power consumption and enhancing the performance of the power system.

[0029] (2) The cavity inside the hollow structure of the present invention can be used as a channel for the cooling system, allowing the coolant to flow through the inside of the rotating rod. With this design, cooling water or other cooling media can directly flow through the inner cavity of the rotating rod, effectively improving the heat dissipation efficiency. This design not only helps prevent the equipment from overheating due to high temperature, but also optimizes the thermal management of the entire system, ensuring that each key component operates within a safe temperature range. The hollow design makes the weight distribution of the rotating rod more uniform, reducing the vibration and imbalance of the rotating rod during high-speed rotation. Through precise design, the hollow rotating rod can enhance the structural stability and reliability while maintaining sufficient strength and stiffness. This has a positive effect on extending the service life of the equipment and reducing the maintenance cost. The weight reduction effect of the hollow structure can also bring more convenient transportation and installation. The reduction of the equipment weight makes the installation process simpler and can also reduce the transportation cost and difficulty during transportation. Description of the Drawings

[0030] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0031] Now the above and other aspects of the present invention will be described by way of example only with reference to the accompanying drawings, in which:

[0032] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0033] Figure 2 is a schematic diagram of the installation structure of the support assembly, deceleration assembly and output rotating rod of the present invention;

[0034] Figure 3 is a cross-sectional view of the driving rotating rod of the present invention;

[0035] Figure 4 is a schematic diagram of the support assembly structure of the present invention;

[0036] Figure 5 is a schematic diagram of the internal structure of the support plate of the present invention;

[0037] Figure 6 is a schematic diagram of the deceleration assembly structure of the present invention;

[0038] Figure 7 is a schematic diagram of the driving gear structure of the present invention;

[0039] Figure 8 is a schematic diagram of the output rotating rod structure of the present invention;

[0040] Figure 9 is a cross-sectional view of the output rotating rod of the present invention.

[0041] In the figure: 1, driving motor; 2, driving rotating rod; 21, driving rod body; 22, water storage cavity; 23, transportation rib; 24, hexagon nut; 25, fixing bolt; 3, protection housing; 4, support assembly; 41, support plate; 411, water delivery annular groove; 412, water delivery cavity; 413, water delivery flow channel; 42, connecting column; 43, mounting ring; 44, rotating shaft; 5, deceleration assembly; 6, output rotating rod; 51, driving gear; 511, gear body; 512, mounting sleeve; 513, fixing groove; 514, connecting flow channel; 52, deceleration gear; 53, output gear; 54, structural through hole; 61, output rod body; 62, intercepting ring; 63, piston; 64, support spring; 65, control block; 651, control ring; 652, pressure cavity; 653, control cavity; 654, limiting ring; 66, communication flow channel. Detailed implementation manners

[0042] To better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings of the specification and specific implementation manners.

[0043] As Figures 1-9 shown, the permanent magnet synchronous motor gear integrated machine with a lightweight structure design takes into account lightweight, efficient heat dissipation and operation stability. This integrated machine mainly consists of a drive motor 1, a driving rotating rod 2, a protective housing 3, a bracket assembly 4, a speed reduction assembly 5 and an output rotating rod 6, etc. Each part is closely matched. The drive motor 1 of this device uses a permanent magnet synchronous motor, which has the characteristics of high efficiency, stability and energy saving. The output end of the drive motor 1 is equipped with a driving rotating rod 2. The driving rotating rod 2 not only undertakes the function of rotational output, but also generates a thrust through the transport ridges 23 designed inside it, so as to realize the transportation of cooling water. Specifically, when the driving rotating rod 2 rotates, the internal transport ridges 23 use their special shape design to push the cooling water to flow towards the bracket assembly 4. This design not only makes full use of the rotational kinetic energy of the driving rotating rod 2, but also effectively transports the cooling water to the key parts of the system, improving the overall heat dissipation efficiency.

[0044] The protective housing 3 is located on the side of the driving rotating rod 2, which is used to protect the internal components of the device from the influence of the external environment and at the same time provides a support structure. The bracket assembly 4 is installed inside the housing. The bracket assembly 4 guides the flow of the cooling water through the precise bracket plate 41 structure, ensuring that the cooling water can efficiently cool the key components. After the cooling water circulates and cools inside the bracket plate 41, it is further transported into the output rotating rod 6 to provide continuous heat dissipation support for the output components.

[0045] The speed reduction assembly 5 is integrated inside the bracket assembly 4, which is used to precisely reduce the high speed of the drive motor 1, so as to output a suitable low speed and high torque. This gear set ensures smooth power transmission of the integrated machine under heavy load conditions through its close cooperation with the output rotating rod 6.

[0046] The design of the output rotating rod 6 incorporates advanced hydraulic and pneumatic balance technologies. A pressure chamber 652 and a control chamber 653 are provided inside it. During the operation of the device, an accurate balance is formed between the oil pressure and the air pressure to offset the water pressure fluctuations generated by the driving rotating rod 2 pushing the cooling water. This design not only improves the operation stability of the device, but also extends the service life of the key components. Through the lightweight design, this permanent magnet synchronous motor gear integrated machine not only reduces the equipment weight, but also significantly improves the heat dissipation efficiency and system reliability, and is suitable for fields with high requirements for volume, mass and performance, such as intelligent manufacturing, industrial automation and new energy vehicles, etc.

[0047] As Figure 3As shown, the structure of the active rotating rod 2 is exquisitely designed, including an active rod body 21, a water storage cavity 22, a transport rib 23, a hexagonal nut 24, and a fixing bolt 25. Each part has a clear function and works in coordination. The active rod body 21 is installed at the output end of the drive motor 1 and is the core component of the active rotating rod 2, responsible for transmitting the rotational torque of the drive motor 1 to the reduction system. To optimize the heat dissipation performance of the device, a water storage cavity 22 is designed inside the active rod body 21 for storing and transporting cooling water. Transport ribs 23 are provided inside the water storage cavity 22, and their special shape and layout can generate a driving force when the active rotating rod 2 rotates, effectively driving the cooling water in the water storage cavity 22 to flow to the support assembly 4 to achieve a heat dissipation cycle.

[0048] A hexagonal nut 24 is installed on the side of the active rod body 21 and is connected to other components through a fixing bolt 25 at its center. The hexagonal nut 24 and the fixing bolt 25 not only ensure the stable connection of the active rotating rod 2 with the surrounding structure but also provide convenience for the maintenance and disassembly of the device. The overall design combines mechanical strength and functionality, giving full play to the core role of the active rotating rod 2 in the transmission and cooling processes.

[0049] The water storage cavity 22 adopts a radial design, and its radius gradually decreases from the drive motor 1 towards the protective housing 3. This design makes full use of the centrifugal force principle to generate an effective thrust on the cooling water inside the water storage cavity 22 when the active rod body 21 rotates, guiding it to the support assembly 4 for cooling circulation. The flow path of the cooling water in the water storage cavity 22 is optimized. As the water storage cavity 22 gradually narrows radially, the flow velocity and pressure of the water naturally increase, thereby improving the cooling efficiency. This gradually narrowing layout can distribute the thrust more evenly, avoiding water stagnation or disorder.

[0050] The transport ribs 23 provided inside the water storage cavity 22 are arranged in a spiral shape. The spiral structure is ingeniously designed. It can not only generate a stable swirl using rotational kinetic energy but also further push the cooling water to flow along the established path, making the water flow more concentrated and orderly. This spiral rib design can also reduce the local overheating phenomenon caused by the retention of cooling water in the cavity, thereby improving the heat dissipation performance of the entire system. This structure that combines dynamic mechanics and lightweight design fully enhances the operating stability and efficiency of the permanent magnet synchronous motor gear integrated machine, especially suitable for industrial applications with high heat dissipation requirements.

[0051] As Figure 4As shown, the bracket assembly 4 is composed of a bracket plate 41, a connecting column 42, a mounting ring 43, and a rotating shaft 44. The overall structure is designed compactly, and the functional layout is reasonable. The bracket plate 41 is installed inside the housing, playing a role in supporting and fixing the core components of the device, and at the same time providing a channel for the flow of cooling water. The connecting column 42 is located between the two bracket plates 41, ensuring the stability of the distance and position between the bracket plates 41 and enhancing the mechanical strength of the overall structure. The mounting ring 43 is fixed on the bracket plate 41, used for connecting and supporting other rotating components, and providing a stable fulcrum for their operation. The rotating shaft 44 is also arranged on the bracket plate 41. As an important component of the transmission system, it is used to transmit the power of the driving rotating rod 2 to the reduction assembly 5 and the output rotating rod 6. Through precise geometric design and material selection, this assembly ensures that the bracket assembly 4 can still maintain stability under high load and high-speed operation, fully meeting the high-efficiency transmission and heat dissipation requirements of the reducer integrated system.

[0052] As Figure 5 shown, the bracket plate 41 has a delicate structure design, including a water delivery ring groove 411, a water delivery cavity 412, and a water delivery flow channel 413, aiming to improve the flow efficiency of the cooling water. The water delivery ring groove 411 is opened inside the mounting ring 43, playing a role in guiding the cooling water flow into the bracket plate 41, ensuring that the cooling water can smoothly enter the water delivery cavity 412 of the bracket plate 41. The water delivery cavity 412 is located in the middle of the bracket plate 41 and is the main cooling water storage and distribution area of the whole system. Through reasonable layout, the cooling water can be evenly distributed and effectively dissipate heat. The water delivery flow channel 413 is arranged between the water delivery cavity 412 and the connecting column 42, playing a role in connecting and guiding the cooling water flow, enabling the cooling water to be smoothly transported from the water delivery cavity 412 to other components through the flow channel, ensuring good heat dissipation performance of each part of the system. This design fully considers the optimization of the cooling water flow, enabling the bracket plate 41 to maintain structural stability while achieving high-efficiency heat dissipation.

[0053] As Figure 6 shown, the reduction assembly 5 is a key component in this device, including a driving gear 51, multiple reduction gears 52, an output gear 53, and a structural through hole 54, aiming to convert the high rotational speed of the motor into the required low-speed output through an efficient gear transmission system. The driving gear 51 is installed in the middle of the bracket assembly 4 and is directly connected to the driving motor 1 to receive the power provided by the motor. Multiple reduction gears 52 are sequentially meshed with the driving gear 51, reducing the rotational speed in a step-by-step manner while maintaining sufficient torque output to ensure the smooth operation of the device. The output gear 53 is installed beside the last reduction gear 52 and is directly connected to the output rotating rod 6 to transmit the reduced power to other components of the system.

[0054] To reduce the overall weight of the gear set and improve efficiency, the structural through-holes 54 are designed on the surfaces of the driving gear 51, the reduction gear 52, and the output gear 53. By opening the structural through-holes 54 on the gear surfaces, the mass of the gears can be effectively reduced, the inertia of the system can be decreased, and the dynamic response performance can be improved, while not affecting the strength and transmission stability of the gears. This design takes into account both performance and lightweight requirements, providing a strong guarantee for the efficient operation of the reduction component 5.

[0055] As Figure 7 shown, the driving gear 51 includes a gear body 511, a mounting sleeve 512, a fixing groove 513, and a connecting flow channel 514; the gear body 511 is set as the main part of the driving gear 51, the mounting sleeve 512 is installed on the side of the gear body 511, the fixing groove 513 is opened inside the mounting sleeve 512, and the connecting flow channel 514 is opened at the bottom of the mounting sleeve 512.

[0056] As Figure 8 shown, the structure of the output rotating rod 6 is complex and consists of multiple parts such as an output rod body 61, an intercepting ring 62, a piston 63, a support spring 64, a control block 65, and a connecting flow channel 66, aiming to ensure the stability and accuracy of power output. The output rod body 61 is installed on the side of the reduction component 5 and serves as the core component connecting the reduction component 5 and other components, transmitting the low-speed and high-torque power transmitted by the gear set. The intercepting ring 62 is located at the topmost part inside the output rod body 61 and is used to limit the movement range of the piston 63, preventing the piston 63 from exceeding the designed track, thereby ensuring the normal operation of the system.

[0057] The piston 63 is installed inside the output rod body 61 and plays a role in regulating and controlling hydraulic or pneumatic pressure to ensure balance and stability during the power transmission process. The support spring 64 is installed below the piston 63 and is mainly used to provide elastic force to ensure that the piston 63 can return to its original position during operation and maintain the working pressure of the system. The control block 65 is set outside the output rod body 61 and is responsible for the control and regulation of the hydraulic system to optimize the working efficiency. The connecting flow channel 66 is opened at the bottom end of the output rod body 61 and is used to connect the coolant or oil flow channel, enabling the coolant to circulate effectively, further improving the heat dissipation performance and overall working stability of the output rotating rod 6.

[0058] As Figure 9As shown, the control block 65 is an important regulating component in the entire system. It consists of a control ring 651, a pressure chamber 652, a control chamber 653, a limit ring 654, etc. Its purpose is to precisely control the pressure and flow rate in the system and ensure the stable operation of the equipment. The control ring 651 is installed inside the control block 65 and plays a role in separating and regulating, enabling the pressure chamber 652 and the control chamber 653 to form independent regions, each responsible for different functions. The pressure chamber 652 is located above the control ring 651 and is a closed cavity part specifically used for placing inert gas. The role of the inert gas in the pressure chamber 652 is to counteract the hydraulic oil pressure from the control ball and effectively buffer the movement of the piston 63, reducing the impact force of the piston 63 during operation and ensuring the smooth start and stop of the system.

[0059] The control chamber 653 is arranged below the control ring 651 and is filled with hydraulic oil. The role of the hydraulic oil in the control chamber 653 is crucial. It not only provides the necessary pressure but also, when the driving motor 1 is not working, uses the pressure of the hydraulic system to push the cooling water back to the water storage chamber 22, realizing the automatic adjustment of the water circulation system. Through precise control of the hydraulic oil, the coolant flow in the system becomes smoother, effectively improving the heat dissipation effect of the entire device.

[0060] The limit ring 654 is installed inside the control block 65 and is used to limit the movement range of each component, ensuring that the working states of the pressure chamber 652 and the control chamber 653 are always within the set safe range and avoiding overpressure or other dangerous situations. Through these designs, the control block 65 plays a fine-tuning role in the system, ensuring that the entire system maintains safety and stability while operating efficiently.

[0061] During the working process of the present invention, the driving motor 1 starts to work and drives the active rotating rod 2 to rotate;

[0062] The cooling water in the water storage chamber 22, under the guiding action of the transportation rib 23, is pressurized and output into the installation sleeve 512 in the radial water blowing chamber, then enters the water delivery ring groove 411 through the connecting flow channel 514. The cooling water flows in the water delivery chamber 412 and enters the opposite support plate 41 through the water delivery flow channel 413, and then flows into the output rod body 61. During this process, the cooling water circulates and fills the support assembly 4, ensuring the heat dissipation requirements of the speed reduction assembly 5;

[0063] The high-pressure cooling water squeezes the piston 63 downward to overcome the movement of the support spring 64. As a result, the hydraulic oil in the output rod body 61 enters the control chamber 653 through the connection flow channel 66. The hydraulic oil squeezes the control ring 651 upward, and the relatively high air pressure in the pressure chamber 652 counteracts it to maintain stability. After the motor stops working, under the action of the air pressure, the control ring 651 and the piston 63 move upward, and the cooling water is pushed back.

[0064] Various modifications to the present disclosure will be apparent to those of ordinary skill in the art, and the general principles defined herein can be applied to other variations without departing from the scope of the present disclosure. Thus, the present disclosure is not limited to the examples and designs described herein, but should be accorded the widest scope consistent with the principles and novel features disclosed herein. Although one or more exemplary embodiments of the present disclosure have been described with reference to the accompanying drawings, those of ordinary skill in the art will understand that various changes in form and detail may be made therein without departing from the spirit and scope of the present disclosure as defined by the appended claims.

Claims

1. A permanent magnet synchronous motor gear integrated machine with a lightweight structural design, characterized in that, It includes a drive motor (1), a driving rotating rod (2), a protective housing (3), a bracket assembly (4), a speed reduction assembly (5) and an output rotating rod (6); The drive motor (1) is set as a permanent magnet synchronous motor, and the driving rotating rod (2) is installed at the output end of the drive motor (1); When the driving rotating rod (2) rotates, the transportation ridges (23) provided inside will generate a thrust force, and the thrust force drives the cooling water to move towards the bracket assembly (4); The protective housing (3) is installed on the side of the driving rotating rod (2), and the bracket assembly (4) is installed inside the protective housing (3); The cooling water flows inside the support plate (41) of the bracket assembly (4) for cooling and is input into the output rotating rod (6); The speed reduction assembly (5) is installed inside the bracket assembly (4), and the output rotating rod (6) is installed on the side of the speed reduction assembly (5); A pressure chamber (652) and a control chamber (653) are provided inside the output rotating rod (6), and the water pressure pushed by the driving rotating rod (2) is resisted under the balance of oil pressure and air pressure.

2. The permanent magnet synchronous motor gear integrated machine with a lightweight structure design according to claim 1, characterized in that: The driving rotating rod (2) includes a driving rod body (21), a water storage chamber (22), transportation ridges (23), a hexagonal nut (24) and a fixing bolt (25); The driving rod body (21) is installed at the output end of the drive motor (1), the water storage chamber (22) is opened inside the driving rod body (21), the transportation ridges (23) are installed inside the water storage chamber (22), the hexagonal nut (24) is installed on the side of the driving rod body (21), and the fixing bolt (25) is installed in the middle of the hexagonal nut (24).

3. The permanent magnet synchronous motor gear integrated machine with a lightweight structure design according to claim 2, characterized in that: The water storage chamber (22) is arranged in a radial shape, and the radius value of the water storage chamber (22) gradually decreases in the direction from the drive motor (1) to the protective housing (3).

4. The permanent magnet synchronous motor gear integrated machine with a lightweight structural design according to claim 2, characterized in that: The transportation ridges (23) are arranged in a spiral shape.

5. The permanent magnet synchronous motor gear integrated machine with a lightweight structural design according to claim 1, characterized in that: The bracket assembly (4) includes a support plate (41), a connecting column (42), a mounting ring (43) and a rotating shaft (44); The support plate (41) is installed inside the outer shell, the connecting column (42) is installed in the middle of two support plates (41), the mounting ring (43) is arranged on the support plate (41), and the rotating shaft (44) is arranged on the support plate (41).

6. The permanent magnet synchronous motor gear integrated machine with a lightweight structure design according to claim 5, characterized in that: The support plate (41) includes a water delivery ring groove (411), a water delivery chamber (412) and a water delivery flow channel (413); The water delivery ring groove (411) is opened inside the mounting ring (43), the water delivery chamber (412) is opened in the middle of the support plate (41), and the water delivery flow channel (413) is opened between the water delivery chamber (412) and the connecting column (42).

7. The permanent magnet synchronous motor gear integrated machine with a lightweight structure design according to claim 1, characterized in that: The speed reduction assembly (5) includes a driving gear (51), a reduction gear (52), an output gear (53) and a structural through hole (54); The driving gear (51) is installed in the middle of the bracket assembly (4). A plurality of reduction gears (52) are provided. The plurality of reduction gears (52) and the driving gear (51) are meshed in sequence. The output gear (53) is installed beside the last reduction gear (52). The structural through holes (54) are formed on the surfaces of the driving gear (51), the reduction gears (52) and the output gear (53).

8. The permanent magnet synchronous motor gear integrated machine with a lightweight structural design according to claim 7, characterized in that: The driving gear (51) includes a gear body (511), an installation sleeve (512), a fixing groove (513) and a connecting flow channel (514); the gear body (511) is set as the main part of the driving gear (51), the installation sleeve (512) is installed on the side of the gear body (511), the fixing groove (513) is formed inside the installation sleeve (512), and the connecting flow channel (514) is formed at the bottom of the installation sleeve (512).

9. The permanent magnet synchronous motor gear integrated machine with a lightweight structural design according to claim 1, characterized in that: The output rotating rod (6) includes an output rod body (61), an intercepting ring (62), a piston (63), a support spring (64), a control block (65) and a communication flow channel (66); The output rod body (61) is installed on the side of the reduction assembly (5). The intercepting ring (62) is installed at the topmost inside of the output rod body (61). The piston (63) is installed inside the output rod body (61). The support spring (64) is installed below the piston (63). The control block (65) is installed outside the output rod body (61). The communication flow channel (66) is formed at the bottom end of the output rod body (61).

10. The permanent magnet synchronous motor gear integrated machine with a lightweight structure design according to claim 9, characterized in that: The control block (65) includes a control ring (651), a pressure chamber (652), a control chamber (653) and a limit ring (654); The control ring (651) is installed inside the control block (65). The pressure chamber (652) is set as the cavity part above the control ring (651). The control chamber (653) is set as the cavity part below the control ring (651). The limit ring (654) is installed inside the control block (65). Inert gas is placed in the pressure chamber (652), and hydraulic oil is placed in the control chamber (653).

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