Inclined journal stepless speed change method and gearbox

Abstract

The invention relates to the technical field of stepless speed change, in particular to an inclined journal stepless speed change method and a gearbox, the gearbox comprises a speed change mechanism, a linkage assembly, a transmission gear assembly, a speed regulation journal and an output gear assembly which are installed on a box body, and the method comprises the following steps that S1, the speed change mechanism drives a linkage rack to move so that the linkage rack can drive a linkage piece to move; s2, after the linkage piece moves, the driving point position of the linkage piece driven by the speed regulation shaft neck is changed, and then the movement stroke of the linkage piece is changed; s3, the stroke of the linkage piece is changed, so that the output speed of the transmission gear assembly driven by the linkage rack is changed; s4, changing the output rate of the transmission gear assembly to realize speed change of the output gear assembly; according to the inclined journal stepless speed change method and the gearbox, the motion stroke change of the speed regulation journal is directly converted into the motion stroke change of the linkage rack, intermediate links in the speed change process are reduced, motion is directly converted through the linkage assembly, power loss is reduced, and the stability of the working state and the speed change process is improved.

Description

Technical Field

[0001] This invention relates to the field of continuously variable transmission (CVT) technology, specifically to a tilting journal CVT method and gearbox. Background Technology

[0002] The output of some power mechanisms cannot be directly connected to the final execution unit. A speed change mechanism needs to be connected to the output of the power mechanism, and then the speed change mechanism is connected to the final execution unit. This allows control of the speed of the final execution unit. The design, manufacturing, and maintenance of traditional continuously variable transmission (CVT) mechanisms are technically and costly, and important performance indicators such as torque, speed, and transmission efficiency are greatly limited.

[0003] Chinese invention patent 201410304320.6 discloses a continuously variable transmission device for a crankshaft with an inclined axis. The crankshaft has an inclined center sleeve in its middle section, which is connected to a connecting rod via a bearing. A speed regulating rod is provided within the range of motion of the connecting rod, and is housed in a housing via a slider and a slide bar. At the other end of the connecting rod, a gear plate is connected via a connecting pin and a U-shaped connecting seat. Racks are mounted on both sides of the gear plate, and each rack has a unidirectional tooth. The unidirectional tooth is connected to an output gear via a connecting shaft. The driven output gear, which meshes with the driving output gear, is connected to the output shaft. This technology first converts the rotary motion at the input end into linear motion with an adjustable reciprocating stroke, and then converts the reciprocating linear motion back into rotary motion, achieving continuously variable transmission at the output end.

[0004] However, although the above scheme discloses a non-speed-changing design, its operational stability is relatively poor. There is still a connecting pin with a high degree of freedom between the connecting rod and the rack. The connecting pin and the joint are responsible for converting rotational motion into linear motion. In the action of the inclined crankshaft driving the connecting rod, some of the force is applied to the gear plate instead of directly to the rack, which not only causes power loss but also further damages the stability and lifespan of the gear plate's reciprocating motion. Overall, the above scheme has problems with power loss and poor stability, and there is still considerable room for improvement.

[0005] Therefore, there is an urgent need to provide a solution to overcome the above-mentioned technical problems. Summary of the Invention

[0006] The purpose of this invention is to provide a tilting journal continuously variable transmission method and gearbox, which directly converts the change in the motion stroke of the speed regulating journal into the change in the motion stroke of the linkage rack, reduces intermediate links in the speed change process, and directly converts motion through linkage components, thereby reducing power loss and improving the stability of working state and speed change process.

[0007] To achieve the above objectives, the present invention provides the following technical solution; A continuously variable transmission (CVT) method with an inclined journal includes a transmission mechanism, a linkage assembly, a transmission gear assembly, and an output gear assembly mounted on a housing. The linkage assembly includes a linkage member, a speed-regulating journal, and a linkage rack. The linkage member is fixedly connected to the linkage rack, and the transmission mechanism is drivenly connected to the linkage rack. The linkage rack is drivenly connected to the transmission gear assembly, and the transmission gear assembly is drivenly connected to the output gear assembly. The speed-regulating journal includes an inclined journal. The inclined journal is drivenly connected to the linkage member, and the linkage member is slidably mounted on the transmission mechanism. The steps are as follows: S1. The transmission mechanism drives the linkage rack to move, so that the linkage rack drives the linkage component to move along the inclined journal; S2. After the linkage component moves, the driving point of the inclined journal driving the linkage component changes, thereby changing the stroke of the inclined journal driving the linkage component per unit time. S3. The change in the travel distance of the linkage component per unit time causes a change in the output speed of the linkage rack and pinion drive transmission gear assembly. S4. The change in the output speed of the transmission gear assembly changes the output speed of the output gear assembly, thereby achieving speed change. The diameter of the circular motion at different driving points of the inclined journal is different. When speed change is required, the speed change mechanism can drive the linkage rack to move the linkage component back and forth along the inclined journal and can stop at any position of the inclined journal. The stroke of the inclined journal driving the linkage rack to move increases or decreases, thereby realizing stepless speed change.

[0008] Furthermore, it also includes an input mechanism, and the tilting journal is driven to the input mechanism; during operation, the input mechanism drives the tilting journal to rotate, and the tilting journal drives the linkage and linkage rack to move, so that the linkage rack drives the transmission gear assembly to rotate, and the transmission gear assembly drives the output gear assembly to rotate.

[0009] Furthermore, the tilting journal passes through the linkage member, and the tilting journal slides in contact with the linkage member; the tilting journal passes through the linkage member, and the tilting journal slides in contact with the linkage member; one end of the tilting journal is provided with a connector, the connector is driven to the input mechanism, and the other end of the tilting journal is rotatably connected to the housing by a rotating bearing. During operation, the input mechanism drives the connecting piece to rotate, which in turn drives the tilting journal to rotate. The tilting journal then drives the linkage and the linkage rack to move, so that the linkage rack drives the transmission gear assembly to rotate. During speed change, the speed change mechanism drives the linkage rack and linkage component to move, causing the linkage component to move to change the driving point between the linkage component and the tilting journal. When the linkage component is in different positions of the tilting journal, the diameter of the tilting journal's circular motion is also different, thus the tilting journal drives the linkage component and linkage rack to obtain different motion amplitudes, thereby realizing the speed change driven by the linkage rack.

[0010] Furthermore, the linkage is provided with a sliding groove, the inclined journal passes through the sliding groove, and the inclined journal slides in contact with the linkage within the sliding groove.

[0011] Furthermore, the inclined journal is a rod with an arc or a rod with a helical curvature.

[0012] Furthermore, the speed regulating journal is a one-piece molded structure.

[0013] Furthermore, the sliding groove is a straight strip groove, and the extending direction of the sliding groove is perpendicular to the extending direction of the linkage rack.

[0014] Furthermore, the speed change mechanism includes a speed change drive device, a lead screw mechanism, and a speed change slide; the lead screw carriage is mounted on the housing using a lead screw mounting bracket; the speed change drive device is driven to the lead screw mechanism, and the lead screw mechanism is driven to the speed change slide; the linkage rack is slidably mounted on the speed change slide; during operation, the speed regulating journal drives the linkage component to move, thereby causing the linkage rack to reciprocate within the speed change slide. During speed change, the speed change drive device drives the lead screw of the lead screw mechanism to rotate, the lead screw drives the lead screw nut to move the speed change slide groove, the speed change slide groove drives the linkage rack to move to change the driving point position between the linkage and the speed regulating journal, thereby changing the sliding stroke of the linkage rack in the speed change slide groove. The change in the stroke of the linkage rack realizes the speed change of the transmission component and the output gear component.

[0015] Furthermore, the transmission gear assembly includes a first rotating shaft and a second rotating shaft rotatably disposed within the housing. A first gear and a first ratchet mechanism are coaxially disposed on the first rotating shaft, and a second gear and a second ratchet mechanism are coaxially disposed on the second rotating shaft. The central axis of both the first rotating shaft and the second rotating shaft is parallel to the central axis of the input mechanism. The first gear and the second gear are always engaged with the linkage rack; the transmission direction of the first ratchet mechanism and the transmission direction of the second ratchet mechanism are opposite, and the ratchet of the first ratchet mechanism and the ratchet of the second ratchet mechanism are always engaged with the output gear assembly.

[0016] This invention also provides a tilting journal continuously variable transmission (CVT) for implementing the above-described tilting journal CVT method, comprising a housing, wherein the housing is equipped with a speed regulating journal, a transmission gear assembly, an output gear assembly, a linkage assembly, and a transmission mechanism; the speed regulating journal is drivenly connected to an input mechanism; the linkage assembly includes a linkage member and a linkage rack, the linkage member being fixedly connected to the linkage rack; the linkage rack is mounted on the transmission mechanism, and the transmission mechanism is drivenly connected to the linkage rack; the linkage rack is drivenly connected to the transmission gear assembly, and the transmission gear assembly is drivenly connected to the output gear assembly; the speed regulating journal includes a tilting journal.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: This tilting journal continuously variable transmission method features a simplified overall structure. The linkage and rack are fixedly connected, reducing the number of parts, lowering installation and production costs, and improving assembly and maintenance efficiency. During speed change, the transmission mechanism drives the rack to displacement, and then the linkage directly obtains the motion stroke of different drive points on the speed regulating journal. The linkage then directly drives the rack, directly converting the change in the motion stroke of the speed regulating journal into a change in the motion stroke of the rack. This reduces intermediate links in the speed change process, directly converting motion through the linkage components, reducing power loss, and improving the stability of the working state and the speed change process. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the planar structure behind the hidden portion of the box in Embodiment 1 of the present invention.

[0019] Figure 2 This is a schematic diagram of the planar structure from another perspective after the hidden part of the structure is shown in Embodiment 1 of the present invention; Figure 3 This is a schematic diagram of the three-dimensional structure after the hidden part of the structure is shown in Embodiment 1 of the present invention.

[0020] Figure 4 This is a schematic diagram of the planar structure of the speed regulating journal in Embodiment 2 of the present invention.

[0021] Figure 5 This is a schematic diagram of the planar structure of another curved type of speed regulating journal in Embodiment 2 of the present invention; Figure 6 This is a schematic diagram of the planar structure of the speed regulating journal in Embodiment 3 of the present invention.

[0022] Figure 7 This is a schematic diagram of the speed regulating journal from another perspective in Embodiment 3 of the present invention. Detailed Implementation

[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Example

[0024] refer to Figures 1-3As shown, this invention provides a continuously variable transmission (CVT) method with an inclined journal, including a transmission mechanism 6, a linkage assembly 5, a transmission gear assembly 3, and an output gear assembly 4 mounted on a housing 1; the linkage assembly 5 includes a linkage member 51, a speed regulating journal 2, and a linkage rack 52, wherein the linkage member 51 is fixedly connected to the linkage rack 52, and the transmission mechanism 6 is drivenly connected to the linkage rack 52; the linkage rack 52 is drivenly connected to the transmission gear assembly 3, and the transmission gear assembly 3 is drivenly connected to the output gear assembly 4; the speed regulating journal 2 includes an inclined journal 22; the inclined journal 22 is drivenly connected to the linkage member 51, and the linkage member 51 is slidably mounted on the transmission mechanism 6; the steps are as follows: S1. The transmission mechanism 6 drives the linkage rack 52 to move, so that the linkage rack 52 drives the linkage member 51 to move along the inclined journal 22; S2. After the linkage member 51 moves, the driving point of the inclined journal 22 driving the linkage member 51 changes, thereby changing the stroke of the inclined journal 22 driving the linkage member 51 in a unit time; S3. The change in the stroke of the linkage member 51 in a unit time changes the output speed of the transmission gear assembly 3 driven by the linkage rack 52; S4. The change in the output speed of the transmission gear assembly 3 changes the output speed of the output gear assembly 4, thereby realizing speed change; The diameter of the circumferential motion of the inclined journal 22 is different at different driving points. When speed change is required, the transmission mechanism 6 can drive the linkage rack 52 to move the linkage member 51 back and forth along the inclined journal 22 and can stop at any position of the inclined journal 22. The stroke of the inclined journal 22 driving the linkage rack 52 increases or decreases, thereby realizing stepless speed change.

[0025] Specifically, the linkage 51 is fixedly connected to the linkage rack 52, allowing the transmission mechanism 6 to directly drive the linkage rack 52 onto the linkage 51, and also allowing the speed regulating journal 2 to directly drive the linkage 51 onto the linkage rack 52, reducing intermediate links and power loss. This allows the transmission mechanism 6 to directly adjust the travel of the linkage rack 52, achieving stepless speed change of the output gear assembly 4. The diameter of the circular motion at different driving points of the inclined journal 22 is different, resulting in different movement amplitudes for the linkage 51 and the linkage rack 52. The faster the transmission mechanism 6 drives the linkage rack 52, the shorter the speed change time of the output gear assembly 4, and the faster the speed change process. Conversely, the slower the transmission mechanism 6 drives the linkage rack 52, the longer the speed change time of the output gear assembly 4, and the slower the speed change process.

[0026] This tilting journal continuously variable transmission method features a simplified overall structure. The linkage component 51 and the linkage rack 52 are fixedly connected, reducing the number of parts, lowering installation and production costs, and improving assembly and maintenance efficiency. During speed change, after the speed change mechanism 6 drives the linkage rack 52 to displacement, the motion stroke of different drive points on the speed regulating journal 2 is directly obtained through the linkage component 51. Then, the linkage component 51 directly drives the linkage rack 52, directly converting the change in motion stroke of the speed regulating journal 2 into a change in motion stroke of the linkage rack 52. This reduces intermediate links in the speed change process, directly converting motion through the linkage component 5, reducing power loss, and improving the stability of the working state and speed change process.

[0027] In practical applications, this tilted journal continuously variable transmission method directly integrates the transmission system into the crankshaft or rotor used for power output, eliminating the need for an additional transmission system outside the power system. This not only reduces weight and volume, but also creates a well-defined and standardized power system, making miniaturized integration of the power system and transmission system possible. During the transmission process, the tilted journal 22 with its tilted design generates continuously varying angular velocities. These angular velocities are transmitted to the output gear assembly 4 via the linkage rack 52, resulting in a smooth continuously variable transmission with a continuous ratio.

[0028] In this embodiment, an input mechanism 7 is also included. The tilting journal 22 is driven to the input mechanism 7. During operation, the input mechanism 7 drives the tilting journal 22 to rotate in a circular motion. The tilting journal 22 drives the linkage 51 and the linkage rack 52 to move, so that the linkage rack 52 drives the transmission gear assembly 3 to rotate. The transmission gear assembly 3 drives the output gear assembly 4 to rotate.

[0029] Specifically, the input mechanism 7 can be a power drive mechanism that rotates the output shaft, such as an electric motor, a fuel engine, or a steam turbine. The rotation of the output mechanism 7 drives the speed regulating journal 2 to rotate. The speed regulating journal 2 directly transmits the rotation to the linkage rack 52 through the linkage component 51, reducing intermediate parts and links, improving power transmission efficiency, and achieving fast and stable power output.

[0030] In this embodiment, the inclined journal 22 passes through the linkage 51, and the inclined journal 22 and the linkage 51 are in sliding contact. One end of the inclined journal 21 is provided with a connector 21, which is driven to the input mechanism 7. The other end of the inclined journal 22 is rotatably connected to the housing 1 by a rotating bearing 23. During operation, the input mechanism 7 drives the connector 21 to rotate, the connector 21 drives the inclined journal 22 to rotate, and the inclined journal 22 drives the linkage 51 and the linkage rack 52 to move, so that the linkage rack 52 drives the transmission gear assembly to rotate. During speed change, the speed change mechanism 6 drives the linkage rack 52 and the linkage member 51 to move, so that the linkage member 51 moves to change the driving point of the linkage member 51 and the inclined journal 22. When the linkage member 51 is at different driving points of the inclined journal 22, the diameter of the circular motion of the inclined journal 22 is also different. As a result, the inclined journal 22 drives the linkage member 51 and the linkage rack 52 to obtain different motion amplitudes, thereby realizing the speed change driven by the linkage rack 52.

[0031] Specifically, the tilting journal 22 is driven to rotate by the connecting piece 21 during operation, so that the rotation circles drawn by the tilting journal 22 at different points during rotation have different diameters, thus resulting in differences in the range and stroke of motion at different points. Under the drive of the transmission mechanism 6, the linkage rack 52 is directly moved, thereby changing the driving point of the linkage piece 51 and the tilting journal 22, so that the linkage rack 52 can directly obtain the motion stroke of the tilting journal 22 at different driving points by following the linkage piece 51. The overall transmission process reduces unnecessary power splitting, directly obtains different driving strokes, reduces power waste and loss, and achieves stable and smooth transmission action.

[0032] In this embodiment, the linkage 51 has a sliding groove 511, and the inclined journal 22 passes through the sliding groove 511. The inclined journal 22 slides in contact with the linkage 51 within the sliding groove 511. Specifically, the inclined journal 22 and the sliding groove 511 can be slidably connected by a ball joint bearing, so that the inclined journal 22 can smoothly revolve while sliding within the sliding groove 511.

[0033] In this embodiment, the speed-regulating journal 2 is a one-piece molded structure. Specifically, the one-piece molding process can be selected from, but is not limited to, casting, 3D printing, machining, etc.; the one-piece molded structure can maximize the output torque of the power, and the upper limit of the output torque is limited by the strength and deflection of the material and structure of the tilting journal 22 itself; at the same time, it reduces the difficulty and cost of design, production and integration, and maintenance.

[0034] In this embodiment, the sliding groove 511 is a straight strip groove, and the extending direction of the sliding groove 511 is perpendicular to the extending direction of the linkage rack 52.

[0035] Specifically, the vertical, straight sliding groove 511 can directly resolve the vertical component of the force in the revolution of the inclined journal 22. Only the vertical component of the revolution is needed to overcome the sliding friction of the bearing. This friction is negligible, thus avoiding the waste of power in the vertical direction of the inclined journal 22. This maximizes the output of power torque to the horizontal component to drive the linkage rod 51 to move left and right, thereby driving the linkage rack 52. Overall, this reduces the torque power direction of the output mechanism 7, achieving energy saving and consumption reduction, reducing equipment wear, and improving speed regulation and transmission efficiency.

[0036] In this embodiment, the speed change mechanism 6 includes a speed change drive device 61, a lead screw mechanism 63, and a speed change slide 62; the lead screw slide 63 is mounted on the housing 1 using a lead screw mounting bracket 64; the speed change drive device 61 is driven to the lead screw mechanism 63, and the lead screw mechanism 63 is driven to the speed change slide 62; the linkage rack 52 is slidably mounted on the speed change slide 62; during operation, the speed regulating journal 2 drives the linkage member 51 to move, thereby driving the linkage rack 52 to reciprocate within the speed change slide 62; during speed change, the speed change drive device 61 drives the lead screw of the lead screw mechanism 63 to rotate, the lead screw drives the lead screw nut to move the speed change slide 62, and the speed change slide 62 drives the linkage rack 52 to move to change the driving point position between the linkage member 51 and the speed regulating journal 2, thereby changing the sliding stroke of the linkage rack 52 within the speed change slide 62. The change in the stroke of the linkage rack 52 realizes the speed change of the transmission assembly 3 and the output gear assembly 4.

[0037] Specifically, during operation, the linkage rack 52 is slidably embedded in the transmission groove 62, and the linkage rack 52 only reciprocates horizontally within the transmission groove 62. During the sliding process, the transmission groove 62 restricts the excessive displacement of the linkage rack 52, retaining only the horizontal sliding required for driving. Furthermore, during the speed change process, the transmission groove 62 directly drives the linkage rack 52, thereby driving the linkage component 51. In the overall speed change process, it directly acts on the linkage rack 52 and the linkage component 51, improving the overall smoothness of speed change, reducing power loss in the working and speed change states, and improving the operational stability of the transmission.

[0038] In this embodiment, the transmission gear assembly 3 includes a first rotating shaft 31 and a second rotating shaft 32 rotatably disposed within the housing 1. A first gear 33 and a first ratchet mechanism 34 are coaxially disposed on the first rotating shaft 31, and a second gear 35 and a second ratchet mechanism 36 are coaxially disposed on the second rotating shaft 32. The central axis of the first rotating shaft 31 and the central axis of the second rotating shaft 32 are both parallel to the central axis of the input mechanism 7. The first gear 33 and the second gear 35 are always meshed with the linkage rack 52. The ratchet of the first ratchet mechanism 34 and the ratchet of the second ratchet mechanism 36 are always meshed with the output gear assembly 4.

[0039] Specifically, the transmission gear assembly 3 can be configured as a dual-group type. The transmission direction of the first ratchet mechanism 34 and the transmission direction of the second ratchet mechanism 36 can be set as needed, so that the two ratchets can drive the output gear assembly 4 at the same time, improve the output torque of the gearbox, and provide power backup redundancy, further improving the operational stability of the gearbox. Example

[0040] like Figure 1 - Figure 5As shown, the difference between this embodiment and Embodiment 1 is that the inclined journal 22 is a rod with an arc. Specifically, Figure 4 - Figure 5 As shown, the curved inclined journal 22 can be a convex or concave arc; when the speed change mechanism 6 drives the linkage rack 52 at a constant speed, the driving point of the linkage 51 and the inclined journal 22 also changes at a constant speed; at this time, the curved inclined journal 22 can realize non-linear speed change action, and the acceleration during the specific speed change process is related to the curvature of the inclined journal 22. Example

[0041] like Figure 1 - Figure 3 , Figure 6 - Figure 7 As shown, the difference between this embodiment and Embodiments 1 and 2 is that the inclined journal 22 is a rod with helical curvature.

[0042] Specifically, Figure 6 - Figure 7 As shown, the inclined journal 22 with an arc can be a helical rod with a helical curvature. When the transmission mechanism 6 drives the linkage rack 52, the change in the driving point position of the linkage 51 and the inclined journal 22 may be nonlinear. At this time, the inclined journal 22 with a helical curvature can achieve nonlinear compensation so that the transmission process can achieve linear action. The sensor control defects can be made up by external structural compensation, thereby improving the smoothness and stability of the transmission process.

[0043] The present invention also provides a tilting journal continuously variable transmission (CVT) for implementing the above-described tilting journal CVT method, comprising a housing 1, wherein the housing 1 is equipped with a speed regulating journal 2, a transmission gear assembly 3, an output gear assembly 4, a linkage assembly 5, and a transmission mechanism 6; the speed regulating journal 2 is drivenly connected to an input mechanism 7, and the linkage assembly 5 includes a linkage member 51 and a linkage rack 52, wherein the linkage member 51 and the linkage rack 52 are fixedly connected; The linkage rack 52 is mounted on the speed change mechanism 6, and the speed change mechanism 6 is driven to the linkage rack 52; the linkage rack 52 is driven to the transmission gear assembly 3, and the transmission gear assembly 3 is driven to the output gear assembly 4; the speed regulating journal 2 includes an inclined journal 22.

[0044] The specific embodiments described herein are merely illustrative examples of the spirit of the invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the scope defined by the spirit of the invention.

Claims

1. A method for continuously variable transmission with tilting journals, characterized in that, The transmission mechanism (6), linkage assembly (5), transmission gear assembly (3), and output gear assembly (4) are installed in the housing (1). The linkage assembly (5) includes a linkage member (51), a speed regulating journal (2), and a linkage rack (52). The linkage member (51) is fixedly connected to the linkage rack (52), and the transmission mechanism (6) is driven to the linkage rack (52). The linkage rack (52) is driven to the transmission gear assembly (3), and the transmission gear assembly (3) is driven to the output gear assembly (4). The speed regulating journal (2) includes an inclined journal (22). The inclined journal (22) is driven to the linkage member (51), and the linkage member (51) is slidably installed on the transmission mechanism (6). The steps are as follows: S1. The transmission mechanism (6) drives the linkage rack (52) to move, so that the linkage rack (52) drives the linkage component (51) to move along the inclined journal (22); S2. After the linkage (51) moves, the driving point of the linkage (51) driven by the tilting journal (22) changes, thereby changing the stroke of the linkage (51) driven by the tilting journal (22) in a unit time. S3. The change in the travel distance of the linkage (51) per unit time causes the speed of the transmission gear assembly (3) driven by the linkage rack (52) to change. S4. The change in the output speed of the transmission gear assembly (3) causes the output speed of the output gear assembly (4) to change, thereby achieving speed change. The diameter of the circumferential motion of the inclined journal (22) varies at different driving points. When speed change is required, the speed change mechanism (6) can drive the linkage rack (52) to move the linkage (51) back and forth along the inclined journal (22) and can stop at any position of the inclined journal (22). The stroke of the inclined journal (22) driving the linkage rack (52) to move increases or decreases, thereby realizing stepless speed change.

2. The continuously variable transmission method for tilting journals according to claim 1, characterized in that, It also includes an input mechanism (7), and the tilting journal (22) is driven to connect with the input mechanism (7). During operation, the input mechanism (7) drives the tilting journal (22) to rotate, and the tilting journal (22) drives the linkage (51) and the linkage rack (52) to move, so that the linkage rack (52) drives the transmission gear assembly (3) to rotate, and the transmission gear assembly (3) drives the output gear assembly (4) to rotate.

3. The continuously variable transmission method for tilting journals according to claim 2, characterized in that, The inclined journal (22) passes through the linkage (51), and the inclined journal (22) and the linkage (51) are in sliding contact; one end of the inclined journal (21) is provided with a connector (21), the connector (21) is driven to connect with the input mechanism (7), and the other end of the inclined journal (22) is rotatably connected to the housing (1) by a rotating bearing (23); During operation, the input mechanism (7) drives the connector (21) to rotate, the connector (21) drives the inclined journal (22) to rotate, and the inclined journal (22) drives the linkage (51) and the linkage rack (52) to move, so that the linkage rack (52) drives the transmission gear assembly to rotate; During speed change, the speed change mechanism (6) drives the linkage rack (52) and linkage member (51) to move, so that the linkage member (51) moves to change the driving point of the linkage member (51) and the tilting journal (22). When the linkage member (51) is at different driving points of the tilting journal (22), the diameter of the circumferential motion of the tilting journal (22) is also different. As a result, the tilting journal (22) drives the linkage member (51) and linkage rack (52) to obtain different motion amplitudes, thereby realizing the speed change driven by the linkage rack (52).

4. The continuously variable transmission method for tilting journals according to claim 3, characterized in that, The linkage (51) has a sliding groove (511), the inclined journal (22) passes through the sliding groove (511), and the inclined journal (22) slides in contact with the linkage (51) within the sliding groove (511).

5. The continuously variable transmission method for tilting journals according to claim 3, characterized in that, The inclined journal (22) is a rod with an arc or a rod with a helical curvature.

6. The continuously variable transmission method for tilting journals according to claim 3, characterized in that, The speed regulating journal (2) is a one-piece molded structure.

7. The continuously variable transmission method for tilting journals according to claim 4, characterized in that, The sliding groove (511) is a straight strip groove, and the extension direction of the sliding groove (511) is perpendicular to the extension direction of the linkage rack (52).

8. The continuously variable transmission method for tilting journals according to claim 1, characterized in that, The speed change mechanism (6) includes a speed change drive device (61), a lead screw mechanism (63), and a speed change slide (62); the lead screw slide (63) is mounted on the housing (1) using a lead screw mounting bracket (64); the speed change drive device (61) is driven to the lead screw mechanism (63), and the lead screw mechanism (63) is driven to the speed change slide (62); the linkage rack (52) is slidably mounted on the speed change slide (62); during operation, the speed regulating journal (2) drives the linkage component (51) to move, thereby driving the linkage rack (52) to slide back and forth in the speed change slide (62); During speed change, the speed change drive device (61) drives the lead screw of the lead screw mechanism (63) to rotate, and the lead screw drives the lead screw nut to move the speed change slide (62). The speed change slide (62) drives the linkage rack (52) to move to change the driving point of the linkage (51) and the speed regulating journal (2), thereby changing the sliding stroke of the linkage rack (52) in the speed change slide (62). The change in the stroke of the linkage rack (52) realizes the speed change of the transmission component (3) and the output gear component (4).

9. The continuously variable transmission method for tilting journals according to claim 1, characterized in that, The transmission gear assembly (3) includes a first rotating shaft (31) and a second rotating shaft (32) rotatably disposed within the housing (1). A first gear (33) and a first ratchet mechanism (34) are coaxially disposed on the first rotating shaft (31), and a second gear (35) and a second ratchet mechanism (36) are coaxially disposed on the second rotating shaft (32). The central axis of the first rotating shaft (31) and the central axis of the second rotating shaft (32) are both parallel to the central axis of the input mechanism (7). The first gear (33) and the second gear (35) are always engaged with the linkage rack (52); the ratchet of the first ratchet mechanism (34) and the ratchet of the second ratchet mechanism (36) are always engaged with the output gear assembly (4).

10. A tilting journal continuously variable transmission, characterized in that, The method for implementing the tilting journal continuously variable transmission method according to any one of claims 1-9 includes a housing (1), wherein the housing (1) is equipped with a speed regulating journal (2), a transmission gear assembly (3), an output gear assembly (4), a linkage assembly (5), and a transmission mechanism (6); the speed regulating journal (2) is drivenly connected to the input mechanism (7), and the linkage assembly (5) includes a linkage member (51) and a linkage rack (52), wherein the linkage member (51) and the linkage rack (52) are fixedly connected; The linkage rack (52) is mounted on the speed change mechanism (6), and the speed change mechanism (6) is driven to connect with the linkage rack (52); the linkage rack (52) is driven to connect with the transmission gear assembly (3), and the transmission gear assembly (3) is driven to connect with the output gear assembly (4); the speed regulating journal (2) includes an inclined journal (22).

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