ECVT executing mechanism of motorcycle

Abstract

The utility model relates to the field of ECVT, and discloses a motorcycle ECVT executing mechanism which comprises a shell used for being fixedly installed with a gearbox, a coaxial sliding structure arranged on the shell and a driving structure connected with the coaxial sliding structure, the coaxial sliding structure is used for pushing a primary movable cone disc to slide on a crankshaft, and the driving structure is used for driving the coaxial sliding structure to slide. The execution mechanism can be externally hung on the gearbox, when the execution mechanism is externally hung and a product is damaged or aged and needs to be replaced or maintained, the whole stepless speed change mechanism does not need to be disassembled, the workload of workers is reduced, and the maintenance cost of consumers is reduced. The coaxial sliding structure can push the crankshaft and the primary movable cone disc on the premise that the crankshaft and the primary movable cone disc coaxially rotate, the coaxial sliding structure and the primary movable cone disc are relatively static, and therefore the structure is stable and not prone to damage, and the scheme can improve the transmission efficiency in stepless speed change and reduce oil consumption.

Description

Technical Field

[0001] This utility model relates to the field of ECVT, specifically to a motorcycle ECVT actuator. Background Technology

[0002] The ECVT actuator in motorcycles is an electronic continuously variable transmission technology. Its core lies in using an electronic control system to continuously change the gear ratio, thereby optimizing the vehicle's power output and fuel economy. This type of automatic transmission system, capable of continuously changing the gear ratio, is characterized by the elimination of fixed gears; it achieves smooth acceleration and deceleration by adjusting the contact radius of the drive belt or chain. This type of transmission is widely used in automobiles, motorcycles, and other vehicles, offering advantages such as simple structure, small size, good fuel economy, and high driving comfort.

[0003] The continuously variable transmission (CVT) mechanism of existing scooter motorcycles mainly adjusts the continuously variable speed by means of a pulley and pulley beads. The CVT mechanism includes a gearbox mounted on the body, a crankshaft at the gearbox output, a housing mounted on the gearbox cylinder, and a driven shaft rotatably mounted inside the housing. The crankshaft and the driven shaft are respectively equipped with a drive wheel and a driven wheel, which are connected by a transmission belt. The drive wheel includes a primary moving cone disc and a primary fixed cone disc. The primary moving cone disc is equipped with a pulley. The driven wheel includes a secondary moving cone disc and a secondary fixed cone disc.

[0004] However, the existing technology uses a pulley structure that mainly relies on the centrifugal force during rotation to squeeze the cone disc inside the drive wheel to adjust the gap between the cone discs on both sides of the drive wheel. The inclined shell and the pulleys squeeze the sliding cone disc to move the cone disc. The speed change process is mainly achieved through the friction transmission of the pulleys, which has low transmission efficiency and high fuel consumption. Utility Model Content

[0005] The present invention aims to provide a motorcycle ECVT actuator to solve the problems of low transmission efficiency and high fuel consumption in continuously variable transmissions.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a motorcycle ECVT actuator, including a coaxial sliding structure and a drive structure connected to the coaxial sliding structure. The coaxial sliding structure is used to push the primary moving cone disk to slide on the crankshaft, and the drive structure is used to drive the coaxial sliding structure to slide. The drive structure includes a drive cavity and a drive cylinder connected to the drive cavity. The drive cavity is coaxially arranged with the crankshaft. A first piston is arranged in the drive cavity. A fluid is arranged between the drive cylinder and the drive cavity. The drive cylinder drives the first piston to slide through the fluid, thereby causing the first piston to drive the primary moving cone disk to slide on the crankshaft through the coaxial sliding structure.

[0007] The beneficial effects of this solution are as follows: By setting up an actuator, which is separately installed inside the gearbox, and the method and mechanism for driving the primary moving cone disc are completely separated from the crankshaft, in the prior art, the crankshaft rotation drives the pulley disc (i.e., the primary moving cone disc) to rotate, and the speed adjustment is changed by the output crankshaft speed of the gearbox. The gearbox drives the crankshaft to rotate and generates centrifugal force on the pulley disc's pulley beads, thus pushing the pulley disc through friction, causing the pulley disc to slide on the crankshaft. In this solution, the housing is installed on the gearbox cylinder block, and a coaxial sliding structure is set on the cylinder block coaxially with the crankshaft. The sliding of the coaxial sliding structure is adjusted by a drive structure that is separately and fixedly installed with the housing, so that the coaxial sliding structure abuts against the primary moving cone disc. Therefore, the continuously variable transmission drive form in the prior art is changed. It no longer relies on friction transmission, but drives the primary moving cone disc to slide without affecting the coaxial rotation, thereby changing the distance between the drive wheels.

[0008] In existing technologies, friction-based transmission using a pulley reduces crankshaft transmission efficiency, directly increasing fuel consumption. Furthermore, the pulley is prone to wear under prolonged friction, requiring periodic replacement. However, due to the complex internal structure of the transmission and the pulley's placement on the crankshaft near the vehicle body, disassembly and installation are cumbersome, increasing user costs. In contrast, the coaxial sliding structure in this solution rotates coaxially with the crankshaft and primary moving cone, pushing them forward. The coaxial sliding structure remains relatively stationary with the primary moving cone, ensuring structural stability and preventing damage. Therefore, this solution improves transmission efficiency and reduces fuel consumption in continuously variable transmissions (CVTs).

[0009] Furthermore, the drive chamber uses a fluid-driven release bearing to press against the primary moving cone disk. Since the fluid is incompressible, it enables smooth speed changes and precise control, making it suitable for large-displacement vehicles compared to existing technologies.

[0010] Preferably, as an improvement, the coaxial sliding structure includes a guide cylinder, which is coaxially arranged with the crankshaft and sleeved on the crankshaft, and also includes a release bearing axially slidably connected to the guide cylinder. The drive structure is connected to the release bearing and is used to drive the release bearing against the primary moving cone disk.

[0011] The beneficial effects of this solution are as follows: the guide cylinder and crankshaft are coaxially arranged, the release bearing is slidably connected to the guide cylinder, and the drive structure pushes the release bearing against the primary moving cone disk. The release bearing can both slide along the guide cylinder and rotate coaxially with the crankshaft. Therefore, when the drive structure pushes the release bearing against the primary moving cone disk, the release bearing can rotate coaxially and at the same speed as the crankshaft and the primary moving cone disk. That is, the release bearing, the crankshaft, and the primary moving cone disk are relatively stationary, while the release bearing and the guide cylinder can slide relative to each other, thus realizing the function of the coaxial sliding structure.

[0012] Preferably, as an improvement, the drive cylinder is equipped with a drive component, which drives the first piston to slide and abut against the primary moving disc via fluid.

[0013] Preferably, as an improvement, the fluid is hydraulic oil, the driving component is a motor, a second piston is slidably connected inside the driving cylinder, and a lead screw is coaxially provided at the output end of the motor, with the lead screw threadedly connected to the second piston.

[0014] The beneficial effect of this solution is that the motor drives the second piston to slide inside the drive cylinder via a lead screw, which can improve the flexibility of the structure.

[0015] Preferably, as an improvement, a first elastic element is provided between the cylinder and the release bearing. The first elastic element is a tension spring, which is used to drive the release bearing to reset on the guide cylinder.

[0016] The beneficial effects of this scheme are as follows: the first piston abuts against the release bearing, which eventually causes the release bearing to abut against the primary moving cone disk. Therefore, the drive structure is mainly used to push the first piston out. During reset, the tension spring drives the release bearing to reset, which can ensure the stability of the structure.

[0017] Preferably, as an improvement, a second elastic element is provided between the second piston and the drive cylinder.

[0018] Preferably, as an improvement, the housing is provided with a sensing system, which includes a resistor and a sensor fixed to the housing. The resistor is arranged coaxially with the guide cylinder, and the release bearing is slidably arranged relative to the resistor. The housing is also equipped with a processor, which is used to convert the movement signal of the release bearing into an electrical signal.

[0019] The beneficial effects of this solution are as follows: By setting up a sensing system, since the release bearing and the resistive element are relatively sliding, when the release bearing slides along the axial direction of the guide cylinder under the drive of the drive structure, the resistance on the resistive element changes in the closed loop formed between the processor, the resistive element and the release bearing, which ultimately leads to changes in the current and voltage in the closed loop. Therefore, the processor can detect the changes and achieve the purpose of converting the release bearing movement signal into an electrical signal.

[0020] Preferably, as an improvement, a mounting bracket is fixed to the outside of the housing, and the coaxial sliding structure and the drive structure are externally mounted to the housing via the mounting bracket.

[0021] The beneficial effects of this solution are as follows: In existing technologies, the coaxial sliding mechanism is installed separately in the gearbox cylinder block, and the drive mechanism is installed in the housing, which is located inside the vehicle body. Furthermore, its structure is not strongly correlated with the structure inside the gearbox, thus enabling its external mounting within the gearbox. However, in existing technologies, because the drive wheels need to be driven by the gearbox, the conventional arrangement is to place the primary moving cone disc closer to the vehicle body and the secondary moving cone disc further away from the vehicle body. But if the actuator in this solution needs to be externally mounted to the gearbox, it is only necessary to reverse the installation of the primary moving cone disc and the primary fixed cone disc, and the secondary moving cone disc and the secondary fixed cone disc, so that the primary moving cone disc is located on the side of the gearbox further away from the vehicle body, and the secondary moving cone disc is located on the side of the gearbox closer to the vehicle body. This allows for the external mounting of the actuator. When the product is damaged or ages and needs replacement or repair, it is not necessary to completely disassemble the continuously variable transmission (CVT), reducing manual labor and lowering maintenance costs for consumers.

[0022] Furthermore, since continuously variable transmissions (CVTs) in existing technologies are already mass-produced and sold, and a large number of these products are already in civilian use, damage or aging of the transmission structures is commonplace due to factors such as quality, usage environment, and frequency of use. In the past, users could only request replacements or repairs at high prices, and the parts required for replacement varied depending on the degree of damage and aging. Users had to pay for both parts and labor, and neither consumers nor repairmen could guarantee when the next failure would occur. However, with the actuator in this solution, customers and users have more options. The transmission structure can be directly disassembled and the drive wheels reversed, allowing the ECVT actuator of this solution to be directly externally installed on the gearbox. For retailers, this ensures the sale of complete ECVT actuator products while guaranteeing quality, ultimately leading to a strong reputation for both retailers and manufacturers. Therefore, this benefits the market and has a positive impact on its development.

[0023] Preferably, as an improvement, the guide cylinder is fixedly mounted on the cylinder block, and the guide cylinder does not contact the crankshaft.

[0024] The beneficial effects of this solution are: the guide cylinder does not contact the crankshaft, that is, the inner diameter of the guide cylinder is larger than the diameter of the crankshaft, which can ensure the normal operation of the coaxial sliding structure.

[0025] Preferably, as an improvement, the drive cavity is configured as annular and coaxially arranged with the guide cylinder. The drive cavity has an opening at its end near the release bearing. The drive cavity is sealed by a first piston. A drive ring is slidably arranged on the guide cylinder wall between the release bearing and the drive cavity. The drive ring is coaxially arranged with the guide cylinder. The radial thickness of the drive ring along the guide cylinder is not greater than the radial thickness of the drive cavity along the guide cylinder.

[0026] The beneficial effects of this solution are as follows: the drive mechanism drives the release bearing to slide on the guide cylinder through the first piston and the drive ring. In addition, by setting the thickness of the drive ring and the drive cavity, when the release bearing is reset, the drive ring can be embedded inside the drive cavity. Since there is residual hydraulic oil on the inner wall of the drive cavity, the drive ring can be wetted by the hydraulic oil. The reciprocating sliding causes the drive ring to carry the hydraulic oil into the sliding connection between the drive ring and the guide cylinder, and the sliding connection between the release bearing and the guide cylinder, so that most of the mechanism is in contact with the hydraulic oil, improving the lubrication performance and extending the service life of the parts. Attached Figure Description

[0027] Figure 1 This is a schematic cross-sectional view of Embodiments 1 and 2 of this utility model;

[0028] Figure 2 for Figure 1 A schematic diagram of a partial shell structure at point A in the middle;

[0029] Figure 3 This is a schematic diagram of the overall structure of the assembly structure of the actuator externally mounted on the gearbox in Embodiment 2 of this utility model;

[0030] Figure 4 for Figure 3 A schematic diagram of the overall structure in the middle;

[0031] Figure 5 for Figure 4 A partial structural diagram of the release bearing at point B abutting against the primary moving cone disk. Detailed Implementation

[0032] The following detailed description illustrates the specific implementation method:

[0033] The reference numerals in the accompanying drawings include: actuator 1, mounting bracket 11, tension spring 111, coaxial sliding structure 12, drive structure 13, drive cylinder 131, second piston 1311, second elastic element 1312, motor 132, lead screw 1321, guide cylinder 14, release bearing 141, drive ring 142, drive cavity 15, first piston 151, sensing system 2, resistive element 21, sensor 22, displacement slider 23, ECVT transmission mechanism 3, housing 31, crankshaft 311, driven shaft 312, drive wheel 4, primary moving cone disk 41, primary fixed cone disk 42, driven wheel 5, secondary moving cone disk 51, secondary fixed cone disk 52.

[0034] Example 1

[0035] Example 1 is basically as shown in the appendix. Figure 1-2 As shown, the motorcycle ECVT actuator includes a housing 31 for fixed connection with the gearbox. The housing 31 is fixedly connected to the gearbox cylinder block by bolts. The actuator 1 also includes a coaxial sliding structure 12 disposed in the cylinder block. The coaxial sliding structure 12 includes a guide cylinder 14 fixedly disposed in the cylinder block. The inner circle diameter of the guide cylinder 14 is larger than the cross-sectional diameter of the crankshaft 311. The end of the crankshaft 311 in the gearbox passes through the guide cylinder 14. Neither the guide cylinder 14 nor the housing 31 contacts the crankshaft 311. The coaxial sliding structure 12 also includes a release bearing 141 slidably connected to the guide cylinder 14 near the end of the primary moving cone 41. The inner circle diameter of the release bearing 141 is equal to the outer circle diameter of the guide cylinder 14. A groove and a slider structure are provided between the outer circle of the guide cylinder 14 and the inner circle of the release bearing 141 to realize the sliding connection between the release bearing 141 and the guide cylinder 14.

[0036] like Figure 1-2As shown, the actuator 1 also includes a drive structure 13 connected to the housing 31 and used to drive the release bearing 141 to slide on the guide cylinder 14. The drive structure 13 includes a drive cavity 15 axially formed on the outer ring of the guide cylinder 14. The drive cavity 15 is configured as an annular space coaxial with the guide cylinder 14. A first piston 151 is slidably connected between the drive cavity 15 and the outer wall of the guide cylinder 14. The first piston 151 is annular and embedded in the annular space of the drive cavity 15. The top of the drive cavity 15 forms a sealed space through the first piston 151. A drive ring 142 is also slidably connected to the outer ring of the guide cylinder 14. The moving ring 142 is fixedly connected to the release bearing 141. A tension spring 111 is connected between the driving ring 142 and the cylinder body. Under normal circumstances, the tension spring 111 pulls the release bearing 141 away from the primary moving cone disk 41 through the driving ring 142. The inner ring of the driving ring 142 and the outer ring of the guide cylinder 14 have the same cross-sectional diameter. A sliding groove and a slider structure are also provided between the inner wall of the driving ring 142 and the outer wall of the guide cylinder 14, thereby realizing the sliding connection between the driving ring 142 and the guide cylinder 14. The radial thickness of the driving ring 142 along the guide cylinder 14 is not greater than the radial thickness of the driving cavity 15 along the guide cylinder 14.

[0037] The drive structure 13 also includes a drive cylinder 131, which is a hydraulic cylinder. An oil pipe connects the drive cylinder 131 to the drive chamber 15, and the drive chamber 15 and drive cylinder 131 are connected by the oil pipe. The internal cavity of the drive cylinder 131 is a cylindrical space. From the cylinder opening to the bottom of the cylinder, the drive cylinder 131 is sequentially equipped with an oil reservoir connected to the drive cylinder 131, a second piston 1311 slidably connected to the inner cavity of the drive cylinder 131, a connecting block fixedly connected to the second piston 1311, and a motor 132 installed at the bottom of the drive cylinder 131. A lead screw 1321 is coaxially provided at the output end of the motor 132, and the lead screw 1321 is threadedly connected to the connecting block. The drive cylinder 131 is installed horizontally, and a vertical opening at the top of the drive cylinder 131 is provided for connecting... The oil can has an oil flow port, which connects to the inside of the drive cylinder 131. A second elastic element 1312 is connected to the opening of the drive cylinder 131 via the oil flow port. The second elastic element 1312 is a spring. When the motor 132 rotates, it drives the lead screw 1321 to rotate coaxially. Since the lead screw 1321 is threadedly connected to the connecting block, the connecting block also tends to rotate when the lead screw 1321 rotates. However, since the second piston 1311 and the inner wall of the drive cylinder 131 are provided with an axial sliding groove and a slider to achieve axial sliding connection, the rotation of the lead screw 1321 will not drive the second piston 1311 to rotate. The second piston 1311 can be smoothly driven to slide horizontally within the drive cylinder 131 by the rotation of the motor 132.

[0038] When the second piston 1311 slides horizontally towards the opening of the drive cylinder 131 under the drive of the motor 132, the second piston 1311 squeezes the hydraulic oil in the drive cylinder 131 and enters the drive chamber 15 through the oil pipe. The oil drives the first piston 151 to push against the drive ring 142, thereby driving the release bearing 141 to slide towards the primary moving cone disk 41, so that the release bearing 141 pushes against the primary moving cone disk 41. When the release bearing 141 needs to slide in the opposite direction, the motor 132 drives the second piston 1311 to slide towards the motor 132. When the second piston 1311 slides in the opposite direction, the hydraulic oil in the drive chamber 15 is drawn back to the drive cylinder 131 under pressure. At this time, the tension spring 111 pulls the drive ring 142 to slide in the opposite direction, thereby causing the release bearing 141 and the primary moving cone disk 41 to disengage.

[0039] like Figure 2 As shown, the system also includes a sensing system 2 disposed on the housing 31. The sensing system 2 includes a displacement slider 23 fixedly connected to the drive ring 142. Since the drive ring 142 and the release bearing 141 are coaxially connected, the movement of the release bearing 141 can be directly measured by detecting the movement of the drive ring 142. A resistor 21 is also fixedly disposed on the housing 31. The resistor 21 is rod-shaped and coaxially arranged with the guide cylinder 14. The resistor 21 is parallel to the guide cylinder 14. A processor is also installed on the housing 31. The processor is connected to the resistor 21, and a closed circuit is formed between the processor and the resistor 21. The displacement slider is made of a conductive material. When the drive ring 142 drives the displacement sliding block to slide on the resistor 21, the processor detects the change in voltage in the closed loop and makes a judgment based on the program written in the processor. The judgment program associates the movement of the primary moving cone disk 41 with the corresponding transmission ratio of the transmission belt. In this judgment program, relevant experiments need to be performed in advance. The experiment is to push the primary moving cone disk 41 and detect the rotation speed of the drive wheel 4 and the driven wheel 5 respectively to calculate the transmission ratio. The transmission ratio, the movement of the primary moving cone disk 41 and the rotation speed are listed separately, and a structure tree is established based on the experimental data. The judgment program detects the speed change based on the structure tree.

[0040] Example 2

[0041] Example 2 is basically as shown in the appendix. Figure 3-5 As shown, the difference between Example 2 and Example 1 is that:

[0042] like Figures 3-5As shown, a mounting bracket 11 is fixedly installed on the outside of the housing 31. The actuator 1 is externally mounted and fixedly installed on the housing 31 via the mounting bracket 11. Specifically, the guide cylinder 14 is fixedly set on the mounting bracket 11. At this time, it is necessary to re-install the drive wheel 4 located on the crankshaft 311 inside the gearbox in a different direction, while keeping other structures unchanged. That is, the crankshaft 311 and the driven shaft 312 are respectively rotatably arranged at both ends inside the gearbox. The drive wheel 4 and the driven wheel 5 are coaxially arranged on the crankshaft 311 and the driven shaft 312, respectively. The drive wheel 4 and the driven wheel 5 transmit power between the drive wheel 4 and the driven wheel 5. The drive wheel 4 is connected by a transmission belt and includes a primary fixed cone disc 42 near the inner side of the vehicle body and a primary moving cone disc 41 away from the vehicle body. The primary fixed cone disc 42 is coaxially fixed to the crankshaft 311, and the primary moving cone disc 41 is coaxially slidably connected to the crankshaft 311. A sleeve is coaxially fixedly welded to the primary moving cone disc 41. The inner circle of the sleeve has the same diameter as the cross-sectional circle of the crankshaft 311. The crankshaft 311 and the inner circle of the sleeve are axially slidably connected through a groove and an axial slider, thereby realizing the sliding connection between the primary moving cone disc 41 and the crankshaft 311.

[0043] The mounting bracket 11 of the actuator 1 is fixedly installed on the outside of the gearbox with bolts. At this time, the guide cylinder 14 is opened on the side of the mounting bracket 11 near the housing 31. The drive cavity 15 is located at the end of the guide cylinder 14 away from the housing 31. The secondary moving cone 51 is located inside the housing 31 on the side near the vehicle body. A spring is connected between the secondary moving cone 51 and the housing 31 to push the secondary moving cone 51 against the secondary fixed cone 52. A clutch is also provided. The clutch includes a circular brake disc fixedly installed in the gearbox. The brake disc and the driven shaft 312 are coaxially arranged. The clutch also includes a number of brake shoes symmetrically arranged on the outer ring of the driven shaft 312. A tension elastic element is connected between the brake shoes and the driven shaft 312, which mainly pulls the brake shoes towards the center of the driven shaft 312.

[0044] When the actuator 1 uses hydraulic oil from the drive cylinder 131 to cause the release bearing 141 to abut against the primary moving cone disc 41, the primary moving cone disc 41 slides towards the primary fixed cone disc 42. Simultaneously, the primary moving cone disc 41 and the primary fixed cone disc 42 rotate coaxially. As the primary moving cone disc 41 moves, the distance between the drive wheels 4 decreases. At this time, the transmission belt, compressed by the inclined surface of the cone discs, increases the circumference of the transmission belt around the drive wheel 4, while the total length of the transmission belt remains unchanged. Therefore, at one end of the driven wheel 5, the tension of the transmission belt on the driven shaft 312 increases, and it compresses the cone discs on both sides of the driven wheel 5. Throughout the process, the spring continuously compresses the secondary moving cone disc 51 towards the secondary fixed cone disc 52, causing the transmission belt to wrap around the driven wheel 5. The radius is always kept at its maximum. When the spring force is less than the compression force of the transmission belt, the radius of the transmission belt at the driven pulley 5 changes, which leads to a change in the transmission ratio and achieves speed change. When the crankshaft speed is very low, the crankshaft 311 and driven shaft 312 will naturally have low speeds. At this time, several brake shoes will move closer to the driven shaft 312 under the tension of the elastic element. Therefore, the brake shoes will not contact the brake disc at this time. The brake disc and the body roller are coaxially set, so the roller will not rotate. When the crankshaft 311 and driven shaft 312 have high speeds, the centrifugal force of several brake shoes is greater than the tension of the second elastic element 1312. At this time, the centrifugal force gets rid of the tension of the second elastic element 1312, causing several brake shoes to push against the brake disc and achieve transmission connection.

[0045] The above descriptions are merely embodiments of this utility model. Commonly known technical solutions and / or characteristics are not described in detail here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the technical solution of this utility model. These modifications and improvements should also be considered within the scope of protection of this utility model, and will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A motorcycle ECVT actuator, characterized in that: The device includes a coaxial sliding structure and a drive structure connected to the coaxial sliding structure. The coaxial sliding structure is used to push the primary moving cone disk to slide on the crankshaft. The drive structure is used to drive the coaxial sliding structure to slide. The drive structure includes a drive cavity and a drive cylinder connected to the drive cavity. The drive cavity is coaxially arranged with the crankshaft. A first piston is arranged in the drive cavity. A fluid is arranged between the drive cylinder and the drive cavity. The drive cylinder drives the first piston to slide through the fluid, thereby causing the first piston to drive the primary moving cone disk to slide on the crankshaft through the coaxial sliding structure.

2. The motorcycle ECVT actuator according to claim 1, characterized in that: The coaxial sliding structure includes a guide cylinder, which is coaxially arranged with the crankshaft and sleeved on the crankshaft. It also includes a release bearing that is axially slidably connected to the guide cylinder. The drive structure is connected to the release bearing and is used to drive the release bearing against the primary moving cone disk.

3. The motorcycle ECVT actuator according to claim 2, characterized in that: The drive cylinder is equipped with a drive component, which drives the first piston to slide and abut against the primary moving disc via fluid.

4. The motorcycle ECVT actuator according to claim 3, characterized in that: The fluid is hydraulic oil, the driving component is a motor, a second piston is slidably connected inside the driving cylinder, and a lead screw is coaxially mounted on the output end of the motor, with the lead screw threadedly connected to the second piston.

5. The motorcycle ECVT actuator according to claim 4, characterized in that: A first elastic element is provided between the cylinder and the release bearing. The first elastic element is a tension spring, which is used to drive the release bearing to reset on the guide cylinder.

6. The motorcycle ECVT actuator according to claim 5, characterized in that: A second elastic element is provided between the second piston and the drive cylinder.

7. The motorcycle ECVT actuator according to claim 6, characterized in that: The housing is equipped with a sensing system, which includes a resistor and a sensor fixed to the housing. The resistor and the guide cylinder are arranged coaxially, and the release bearing and the resistor are slidably arranged relative to each other. The housing is also equipped with a processor, which is used to convert the movement signal of the release bearing into an electrical signal.

8. The motorcycle ECVT actuator according to claim 7, characterized in that: A mounting bracket is fixed to the outside of the housing, and the coaxial sliding structure and the drive structure are externally mounted to the housing via the mounting bracket.

9. The motorcycle ECVT actuator according to claim 2, characterized in that: The guide cylinder is fixedly installed in the cylinder block and does not contact the crankshaft.

10. The motorcycle ECVT actuator according to claim 3, characterized in that: The drive cavity is annular and coaxially arranged with the guide cylinder. The drive cavity is opened at the end near the release bearing and is sealed by the first piston. The guide cylinder wall is slidably arranged between the release bearing and the drive cavity with a drive ring. The drive ring is coaxially arranged with the guide cylinder, and the radial thickness of the drive ring along the guide cylinder is not greater than the radial thickness of the drive cavity along the guide cylinder.

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