Transmission gear shifting control device

Abstract

The utility model belongs to the technical field of transmissions, and relates to a transmission gear shifting control device. The transverse shifting cylinder drives the transverse gear shifting rod to rotate around the axis, the axial shifting cylinder shifts the gear shifting block to slide on the transverse gear shifting rod in the axial direction, accurate and flexible control over the position of the gear shifting block is achieved, the response speed is high, and the gear shifting mechanism is suitable for an automatic or electric control gear shifting system; the system can be seamlessly integrated to a whole vehicle electronic control unit. Besides, in the gear shifting process, the transverse shifting air cylinder and the axial shifting air cylinder are adopted as pneumatic executing mechanisms, the gear shifting block can be accurately moved to the position corresponding to the target gear, and therefore the accuracy of gear shifting operation is ensured, gear shifting errors are effectively reduced, and the gear shifting success rate is increased. The transverse gear shifting rod, the gear shifting shifting block, the transverse shifting air cylinder and the axial shifting air cylinder are all integrated in the control shell, the layout is compact, and the gear shifting mechanism is suitable for the transmission installation environment with the limited space.

Description

Technical Field

[0001] This utility model belongs to the field of transmission technology and relates to a transmission shifting control device. Background Technology

[0002] Currently, commercial vehicle transmissions typically use MT (manual mechanical shift) gearboxes and AMT (automatic mechanical shift) gearboxes, each with its own advantages and disadvantages in terms of performance, cost, and applicable scenarios.

[0003] The shifting function of a manual transmission (MT) is mainly achieved through a mechanical linkage structure, as follows:

[0004] A gear selector / shift rocker arm is installed on the transmission side, connected to the shift lever in the driver's cab via two independent flexible shafts (a gear selector shaft and a shift shaft). When the driver operates the shift lever, the flexible shafts drive the rocker arm on the transmission side through push-pull motion, completing gear selection (axial movement to select the gear track) and shifting (rotary movement to engage the gear). This structure is simple and easy to operate; however, it suffers from large gaps between gear selection and shifting, low gear accuracy, and is prone to problems such as difficulty in engaging gears due to incomplete gear selection, excessive shifting force, and secondary impacts. Utility Model Content

[0005] The purpose of this utility model is to provide a transmission shifting control device to solve the technical problem of low gear position accuracy in the shifting control structure.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] This utility model discloses a transmission shifting control device, comprising:

[0008] Operating housing;

[0009] A transverse shift lever arranged along a first direction is disposed inside the control housing and rotatably connected to the control housing; the transverse shift lever is provided with a shifting head, and the shifting head is provided with a first shifting limit groove.

[0010] A shift lever is slidably sleeved on the horizontal shift lever and connected to the horizontal shift lever via a spline. A second shifting limit groove is provided on the shift lever.

[0011] A transverse shifting cylinder is provided, the output end of which is connected to a first shifting indirect shifting head. The end of the first shifting indirect shifting head is located in the first shifting limiting groove, and the end of the first shifting indirect shifting head and the first shifting limiting groove are in clearance fit. The transverse shifting cylinder is used to shift the shifting head and drive the transverse shifting lever to rotate around the axis when it drives the first shifting indirect shifting head to move in the second direction. The first direction is perpendicular to the second direction.

[0012] An axial shifting cylinder is provided, the output end of which is connected to a second gear shifting indirect shifter. The end of the second gear shifting indirect shifter is located within the second shifting limiting groove, and the end of the second gear shifting indirect shifter and the second shifting limiting groove are in clearance fit. The axial shifting cylinder is used to move the second gear shifting indirect shifter along the first direction, thereby causing the shifting shifter to slide axially on the transverse shifting lever.

[0013] Furthermore, the axial actuation cylinder includes:

[0014] The first cylinder and the second cylinder are formed within the control housing;

[0015] A first interface, a second interface, an eighth interface, and a ninth interface are provided on the control housing and communicate with the first cylinder.

[0016] A third interface is provided on the control housing and communicates with the second cylinder;

[0017] The first piston and the second piston are located in the first cylinder body, the first interface and the second interface are located on the side of the first piston away from the second piston, the eighth interface is located between the first piston and the second piston, and the ninth interface is located on the side of the second piston away from the first piston;

[0018] A third piston is located within the second cylinder, with the second piston positioned between the first piston and the third piston;

[0019] A gear selection cylinder shaft arranged along a first direction slides through the operating housing. One end of the gear selection cylinder shaft is located in the first cylinder body, and the other end of the gear selection cylinder shaft is located in the second cylinder body. The gear selection cylinder shaft is located between the first piston and the third piston. The second piston is fixedly mounted on the gear selection cylinder shaft. The gear selection cylinder shaft is fixedly connected to the second gear selection indirect dial.

[0020] Furthermore, a first limiting ring is provided in the first cylinder body, and the limiting ring is located between the first piston and the second piston.

[0021] Furthermore, the control housing is provided with a third / fourth gear position detection switch and an R gear position detection switch. The end of the third / fourth gear position detection switch is located in the first cylinder body, the first piston is located between the third / fourth gear position detection switch and the gear selection cylinder shaft, the end of the R gear position detection switch is located in the second cylinder body, and the third piston is located between the R gear position detection switch and the gear selection cylinder shaft.

[0022] Furthermore, the lateral actuation cylinder includes:

[0023] The third and fourth cylinders are located within the control housing;

[0024] A fourth, sixth, and seventh interface are provided on the control housing and communicate with the third cylinder;

[0025] A fifth interface is provided on the control housing and communicates with the fourth cylinder;

[0026] The fourth and fifth pistons are located in the third cylinder body, the fourth port is located on the side of the fourth piston away from the fifth piston, the sixth port is located between the fourth and fifth pistons, and the seventh port is located on the side of the fifth piston away from the fourth piston;

[0027] The sixth piston is located within the fourth cylinder, and the fifth piston is located between the fourth piston and the sixth piston;

[0028] A shift cylinder shaft arranged along the second direction slides through the operating housing. One end of the shift cylinder shaft is located in the third cylinder body, and the other end of the shift cylinder shaft is located in the fourth cylinder body. The shift cylinder shaft is located between the fourth piston and the sixth piston, and the fifth piston is fixedly mounted on the shift cylinder shaft. The shift cylinder shaft is fixedly connected to the first shift indirect dial.

[0029] Furthermore, a second limiting ring is provided in the third cylinder body, and the second limiting ring is located between the fourth piston and the fifth piston.

[0030] Furthermore, the control housing is equipped with an N-position detection switch, a first-position detection switch, a second-position detection switch, a third-position detection switch, and a fourth-position detection switch;

[0031] The horizontal shift lever is provided with an N position abutment, and the shift paddle is provided with a first gear position abutment, a second gear position abutment, a third gear position abutment, and a fourth gear position abutment;

[0032] When the horizontal shift lever is in the N position, the N position abutment triggers the N position detection switch. When the shift lever is in the first position, the first position abutment abuts against the first position detection switch. When the shift lever is in the second position, the second position abutment abuts against the second position detection switch. When the shift lever is in the third position, the third position abutment abuts against the third position detection switch. When the shift lever is in the fourth position, the fourth position abutment abuts against the fourth position detection switch.

[0033] Furthermore, the N-gear position contact portion is a strip-shaped groove formed on the transverse shift lever and along the axial direction of the transverse shift lever. The groove is connected to the outer surface of the transverse shift lever through a smooth curved surface, and the N-gear position contact portion is located inside the groove.

[0034] Furthermore, the shift lever includes a connecting part and a shifting end. The connecting part is fixedly connected to the shifting end, and the connecting part is slidably sleeved on the transverse shift lever and connected to the transverse shift lever via a spline.

[0035] Furthermore, the end of the first shift lever is in clearance fit with the first shifting limit groove, as detailed below:

[0036] The cross-sectional length of the first shifting limit groove is greater than the cross-sectional length of the end of the first shift indirect gear lever, and the cross-sectional width of the first shifting limit groove is greater than the cross-sectional width of the end of the first shift indirect gear lever.

[0037] The end of the second gear selector indirect dial is clearance-fitted with the second shifting limit groove, as detailed below:

[0038] The cross-sectional length of the second actuating limiting groove is greater than the cross-sectional length of the end of the second gear selector indirect dial, and the cross-sectional width of the second actuating limiting groove is greater than the cross-sectional width of the end of the second gear selector indirect dial.

[0039] Compared with the prior art, the present invention has the following beneficial effects:

[0040] This invention achieves precise and flexible control of the shift paddle position by using a lateral shift cylinder to drive the lateral shift lever to rotate around its axis, and an axial shift cylinder to move the shift paddle along the axial direction on the lateral shift lever. Employing lateral and axial shift cylinders as pneumatic actuators provides high response speed, making it suitable for automated or electronically controlled shifting systems and allowing seamless integration into the vehicle's electronic control unit. Furthermore, during shifting, the use of lateral and axial shift cylinders as pneumatic actuators accurately moves the shift paddle to the position corresponding to the target gear, ensuring the precision of the shifting operation, effectively reducing shifting errors, and improving the success rate of shifting. The end of the first shift paddle is clearance-fitted with the first shifting limit groove, ensuring that the shift paddle rotates around the axis of the lateral shift lever and preventing jamming between the first shift paddle and the shift paddle. The end of the second gear selector indirect shifter is clearance-fitted with the second shifting limit groove to ensure that the end of the second gear selector indirect shifter will not jam with the shifter when the shifter rotates around the transverse shift lever. This invention integrates the transverse shift lever, shifter, transverse shifting cylinder, and axial shifting cylinder within the control housing, resulting in a compact layout suitable for space-constrained transmission installation environments. Attached Figure Description

[0041] Figure 1 This is a front view of the mechanical mechanism of the transmission shifting system of this utility model;

[0042] Figure 2 This is a left view of the mechanical mechanism of the transmission shifting system of this utility model;

[0043] Figure 3 for Figure 1 A cross-sectional view of the AA structure;

[0044] Figure 4 for Figure 2 A cross-sectional view of the BB structure;

[0045] Figure 5 for Figure 1 A cross-sectional view of the CC structure;

[0046] Figure 6 for Figure 1 A cross-sectional view of the DD structure;

[0047] Figure 7 for Figure 1 A cross-sectional view of the EE structure;

[0048] Figure 8 This is a flowchart of a method embodiment of the present utility model.

[0049] The components include: 1. Control housing; 101. First cylinder block; 102. Second cylinder block; 103. Third cylinder block; 104. Fourth cylinder block; 105. First piston; 106. Second piston; 107. Third piston; 108. Fourth piston; 109. Fifth piston; 110. Sixth piston; 111. First limiting ring; 112. Second limiting ring; 113. First cylinder block cover; 114. Second cylinder block cover; 115. Third cylinder block cover; 116. Fourth cylinder block cover; 117. Third limiting ring; 118. Fourth limiting ring; 2. Lateral shift lever; 201. Shift lever; 202. First shifting limit groove; 3. Shift lever; 301. Second shifting limit groove; 30 2. Connecting part; 303. Actuating end; 4. Lateral actuating cylinder; 401. First shift indirect dial; 402. Shift cylinder shaft; 5. Axial actuating cylinder; 501. Second selection indirect dial; 502. Selection cylinder shaft; 601. N position detection switch; 602. First gear position detection switch; 603. Second gear position detection switch; 604. Third gear position detection switch; 605. Fourth gear position detection switch; 606. Third / fourth gear position detection switch; 607. N position contact part; 608. First gear position contact part; 609. Second gear position contact part; 610. Third gear position contact part; 611. Fourth gear position contact part; 612. R position detection switch. Detailed Implementation

[0050] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0051] It should be noted that the terms "first," "second," etc., in the specification and accompanying drawings of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this utility model described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0052] The present invention will now be described in further detail with reference to the accompanying drawings:

[0053] See Figures 1 to 7 This utility model discloses a transmission shifting control device, comprising:

[0054] Control housing 1, lateral shift lever 2, shift paddle 3, lateral shift cylinder 4, and axial shift cylinder 5;

[0055] See Figure 3 The transverse shift lever 2 is arranged in the control housing 1 along the first direction AB and is rotatably connected to the control housing 1; the transverse shift lever 2 is provided with a shifting head 201, and the shifting head 201 is provided with a first shifting limit groove 202;

[0056] See Figure 7 The shift paddle 3 is slidably sleeved on the transverse shift lever 2 and connected to the transverse shift lever 2 via a spline. The shift paddle 3 is provided with a second shifting limit groove 301. The shift paddle 3 and the transverse shift lever 2 are in spline sliding fit, which not only transmits torque to realize shifting, but also allows the shift paddle 3 to slide freely axially, thereby improving transmission efficiency and durability.

[0057] See Figure 4 The output end of the lateral shift cylinder 4 is connected to a first shift indirect dial 401. The end of the first shift indirect dial 401 is located within the first shifting limiting groove 202. The end of the first shift indirect dial 401 and the first shifting limiting groove 202 are in clearance fit to ensure that the shifting dial 201 rotates around the axis of the lateral shift lever 2, thus preventing jamming between the first shift indirect dial 401 and the shifting dial 201. The lateral shift cylinder 4 is used to drive the first shift indirect dial 401 to move along the second direction CD, causing the first shift indirect dial 401 to rotate the shifting dial 201 around the axis of the lateral shift lever 2, and driving the lateral shift lever 2 to rotate around the axis. The first direction AB is perpendicular to the second direction CD.

[0058] See Figure 4 The output end of the axial actuation cylinder 5 is connected to a second gear selection indirect shifter 501. The end of the second gear selection indirect shifter 501 is located within the second shifting limiting groove 301. The end of the second gear selection indirect shifter 501 and the second shifting limiting groove 301 are in clearance fit to ensure that when the shifter 3 rotates around the transverse shift lever 2, the end of the second gear selection indirect shifter 501 will not jam with the shifter 3. The axial actuation cylinder 5 is used to actuate the shifter 3 to slide axially on the transverse shift lever 2 when driving the second gear selection indirect shifter 501 to move along the first direction AB.

[0059] This invention integrates the transverse shift lever 2, shift paddle 3, transverse actuation cylinder 4, and axial actuation cylinder 5 within the control housing 1, resulting in a compact layout suitable for space-constrained transmission installation environments. The transverse actuation cylinder 4 and axial actuation cylinder 5 serve as pneumatic actuators, offering high response speed and suitability for automated or electronically controlled shifting systems. They can be seamlessly integrated into the vehicle's electronic control unit (ECU). Furthermore, during shifting, the transverse actuation cylinder 4 and axial actuation cylinder 5 accurately move the shift paddle 3 to the position corresponding to the target gear, ensuring precise shifting operation, effectively reducing shifting errors, and improving shifting success rate.

[0060] See Figure 1 , Figure 2 , Figure 5 and Figure 6 In this embodiment of the present invention, the control housing 1 further includes a base housing, a first cylinder cover 113, a second cylinder cover 114, a third cylinder cover 115, and a fourth cylinder cover 116. The transverse shift lever 2, the shift cylinder shaft 402, and the gear selection cylinder shaft 502 are all slidably mounted on the base housing. The first cylinder cover 113 and the base housing form a first cylinder 101, and a first limiting ring 111 is provided between the first cylinder cover 113 and the base housing. The second cylinder cover 114... A second cylinder 102 is formed with the base housing, and a third limiting ring 117 is provided between the second cylinder cover 114 and the base housing; a third cylinder 103 is formed with the third cylinder cover 115 and the base housing, and a second limiting ring 112 is provided between the third cylinder cover 115 and the base housing; a fourth cylinder 104 is formed with the fourth cylinder cover 116 and the base housing, and a fourth limiting ring 118 is provided between the fourth cylinder cover 116 and the base housing.

[0061] See 4 and Figure 6 In this embodiment of the present invention, the axial actuation cylinder 5 includes:

[0062] A first cylinder 101 and a second cylinder 102 are formed inside the control housing 1;

[0063] A first interface a1, a second interface a2, an eighth interface g, and a ninth interface h are provided on the control housing 1 and communicate with the first cylinder 101;

[0064] A third interface b is provided on the control housing 1 and communicates with the second cylinder 102;

[0065] The first piston 105 and the second piston 106 are located inside the first cylinder 101. The first interface a1 and the second interface a2 are located on the side of the first piston 105 away from the second piston 106. The eighth interface g is located between the first piston 105 and the second piston 106. The ninth interface h is located on the side of the second piston 106 away from the first piston 105.

[0066] The third piston 107 is located inside the second cylinder 102, and the second piston 106 is located between the first piston 105 and the third piston 107;

[0067] A gear selection cylinder shaft 502, arranged along the first direction AB, slides through the operating housing 1. One end of the gear selection cylinder shaft 502 is located inside the first cylinder body 101, and the other end is located inside the second cylinder body 102. The gear selection cylinder shaft 502 is located between the first piston 105 and the third piston 107. The second piston 106 is fixedly mounted on the gear selection cylinder shaft 502. The gear selection cylinder shaft 502 is fixedly connected to the second gear selection indirect dial 501.

[0068] In this embodiment of the present invention, a first limiting ring 111 is provided inside the first cylinder 101, and the limiting ring is located between the first piston 105 and the second piston 106.

[0069] See Figure 4 In this embodiment of the present invention, a third / fourth gear position detection switch 606 and a reverse gear position detection switch 612 are provided on the control housing 1. The end of the third / fourth gear position detection switch 606 is located inside the first cylinder body 101, the first piston 105 is located between the third / fourth gear position detection switch 606 and the gear selection cylinder shaft 502, the end of the reverse gear position detection switch 612 is located inside the second cylinder body 102, and the third piston 107 is located between the reverse gear position detection switch 612 and the gear selection cylinder shaft 502.

[0070] See Figure 5 In this embodiment of the present invention, the transverse actuating cylinder 4 includes:

[0071] The third cylinder 103 and the fourth cylinder 104 are formed inside the control housing 1;

[0072] A fourth interface c, a sixth interface e, and a seventh interface f are provided on the control housing 1 and communicate with the third cylinder 103;

[0073] A fifth interface d is provided on the control housing 1 and communicates with the fourth cylinder 104;

[0074] The fourth piston 108 and the fifth piston 109 are located in the third cylinder 103. The fourth interface c is located on the side of the fourth piston 108 away from the fifth piston 109. The sixth interface e is located between the fourth piston 108 and the fifth piston 109. The seventh interface f is located on the side of the fifth piston 109 away from the fourth piston 108.

[0075] The sixth piston 110 is located within the fourth cylinder 104, and the fifth piston 109 is located between the fourth piston 108 and the sixth piston 110;

[0076] A shift cylinder shaft 402, arranged along the second direction CD, slides through the operating housing 1. One end of the shift cylinder shaft 402 is located in the third cylinder body 103, and the other end is located in the fourth cylinder body 104. The shift cylinder shaft 402 is located between the fourth piston 108 and the sixth piston 110. The fifth piston 109 is fixed on the shift cylinder shaft 402. The shift cylinder shaft 402 is fixedly connected to the first shift indirect dial 401.

[0077] In this embodiment of the present invention, a second limiting ring 112 is provided inside the third cylinder 103, and the second limiting ring 112 is located between the fourth piston 108 and the fifth piston 109.

[0078] In this embodiment of the utility model, the control housing 1 is provided with an N-position detection switch 601, a first-position detection switch 602, a second-position detection switch 603, a third-position detection switch 604, and a fourth-position detection switch 605;

[0079] The horizontal shift lever 2 is provided with an N position contact part 607, and the shift knob 3 is provided with a first gear position contact part 608, a second gear position contact part 609, a third gear position contact part 610, and a fourth gear position contact part 611.

[0080] When the horizontal shift lever 2 is in the N position, the N position abutment 607 triggers the N position detection switch 601. When the shift knob 3 is in the first gear position, the first gear position abutment 608 abuts against the first gear position detection switch 602. When the shift knob 3 is in the second gear position, the second gear position abutment 609 abuts against the second gear position detection switch 603. When the shift knob 3 is in the third gear position, the third gear position abutment 610 abuts against the third gear position detection switch 604. When the shift knob 3 is in the fourth gear position, the fourth gear position abutment 611 abuts against the fourth gear position detection switch 605.

[0081] See Figure 3In this embodiment of the present invention, the N-gear position contact part 607 is a strip-shaped groove formed on the transverse shift lever 2 and along the axial direction of the transverse shift lever 2. The groove is connected to the outer surface of the transverse shift lever 2 through a smooth curved surface, and the N-gear position contact part 607 is located inside the groove.

[0082] See Figure 4 In this embodiment of the present invention, the shift knob 3 includes a connecting part 302 and a shifting end 303. The connecting part 302 is fixedly connected to the shifting end 303. The connecting part 302 is slidably sleeved on the transverse shift lever 2 and connected to the transverse shift lever 2 through a spline.

[0083] The end of the first shift lever 401 is in clearance fit with the first shifting limit groove 202, as detailed below:

[0084] The cross-sectional length of the first shifting limit groove 202 is greater than the cross-sectional length of the end of the first shift indirect dial 401, and the cross-sectional width of the first shifting limit groove 202 is greater than the cross-sectional width of the end of the first shift indirect dial 401, so as to avoid jamming between the first shift indirect dial 401 and the shift dial 201.

[0085] The end of the second gear selector indirect dial 501 is in clearance fit with the second shifting limit groove 301, as detailed below:

[0086] The cross-sectional length of the second shifting limit groove 301 is greater than the cross-sectional length of the end of the second gear selection indirect shifter 501, and the cross-sectional width of the second shifting limit groove 301 is greater than the cross-sectional width of the end of the second gear selection indirect shifter 501, so as to avoid the end of the second gear selection indirect shifter 501 from getting stuck with the shifter 3.

[0087] See Figure 8 Based on the above structure, this utility model also discloses a transmission shifting operation method, including the following steps:

[0088] S1, the transverse shift cylinder 4 drives the first shift indirect dial 401 to move along the second direction CD, the first shift indirect dial 401 shifts the shift dial 201 and drives the transverse shift lever 2 to rotate around the axis;

[0089] S2, the axial shifting cylinder 5 drives the second gear selector indirect shifter 501 to move along the first direction AB, and the shifting shifter 3 slides on the transverse shifting lever 2 along the first direction AB.

[0090] The gear shifting process of this utility model is as follows:

[0091] The operation process for S10, N gear is as follows:

[0092] The fourth port c and the fifth port d are vented simultaneously. The fourth piston 108 and the sixth piston 110 act on the shift cylinder shaft 402. The shift cylinder shaft 402 drives the first shift indirect shift lever 401 to move. The first shift indirect shift lever 401 acts on the shift lever 201. The shift lever 201 drives the transverse shift lever 2 and the shift lever 3 to rotate. The shift lever 3 rotates to the neutral position.

[0093] When the horizontal shift lever 2 is rotated to the point where it no longer acts on the N position detection switch 601, the first port a1 and the third port b are simultaneously vented according to the detection signal from the N position detection switch 601. At this time, the second port a2 is closed, and the first piston 105 and the third piston 107 act on the gear selection cylinder shaft 502. The gear selection cylinder shaft 502 drives the second gear selection indirect dial 501, which acts on the shift dial 3. The shift dial 3 moves on the horizontal shift lever 2 to between the first and second gear positions, and the shift dial 3 is located in the corresponding N position.

[0094] The first gear operation process for the S20 is as follows:

[0095] After the N gear operation, the fourth port c and the fifth port d are simultaneously de-aired, while the seventh port f is aired. The fifth piston 109 drives the shift cylinder shaft 402, which in turn drives the first shift indirect dial 401 to move. The first shift indirect dial 401 acts on the shift dial 201, which in turn drives the transverse shift lever 2 and the shift dial 3 to rotate. The shift dial 3 rotates to the first gear position. The transverse shift lever 2 rotates and acts on the N gear position detection switch 601, disengaging the N gear. At this time, the shift dial 3 is in the first gear position, the transmission is in first gear, and the shift dial 3 acts on the first gear position detection switch 602.

[0096] The second gear operation process for the S30 is as follows:

[0097] After the N gear is operated, the fourth port c and the fifth port d are simultaneously de-aired, while the sixth port e is simultaneously air-operated. The fifth piston 109 drives the shift cylinder shaft 402, which in turn drives the first shift indirect dial 401 to move. The first shift indirect dial 401 acts on the shift dial 201, which in turn drives the transverse shift lever 2 and the shift dial 3 to rotate. The shift dial 3 rotates to the second gear position. The transverse shift lever 2 rotates and acts on the N gear position detection switch 601, disengaging the N gear. At this time, the shift dial 3 is in the corresponding position for the second gear, and the transmission is in the second gear state. The shift dial 3 acts on the second gear position detection switch 603.

[0098] The operation process for the third gear of the S40 is as follows:

[0099] After the N gear is operated, the first port a1, the third port b, the fourth port c and the fifth port d are simultaneously cut off from air supply, while the ninth port h is allowed to supply air supply. The second piston 106 drives the gear selection cylinder shaft 502, which in turn drives the second gear selection indirect shifter 501. The second gear selection indirect shifter 501 acts on the shift shifter 3, which moves to between the third and fourth gear positions.

[0100] Simultaneously, the gear selection cylinder shaft 502 acts on the first piston 105, which in turn acts on the third / fourth gear position detection switch 606. After the third / fourth gear position detection switch 606 detects the signal, the seventh port f is vented, and the fifth piston 109 drives the shift cylinder shaft 402. The shift cylinder shaft 402 drives the first shift indirect dial 401 to move, which acts on the shift dial 201. The shift dial 201 drives the transverse shift lever 2 and the shift dial 3 to rotate, and the shift dial 3 rotates to the third gear position. The transverse shift lever 2 rotates and acts on the N gear position detection switch 601, disengaging from N gear. At this time, the shift dial 3 is in the corresponding position for third gear, and the transmission is in third gear. The shift dial 3 acts on the third gear position detection switch 604.

[0101] The operation process for the fourth gear in the S50 is as follows:

[0102] After the N gear is operated, the first port a1, the third port b, the fourth port c and the fifth port d are simultaneously cut off from air supply, while the ninth port h is allowed to supply air supply. The second piston 106 drives the gear selection cylinder shaft 502, which in turn drives the second gear selection indirect shifter 501. The second gear selection indirect shifter 501 acts on the shift shifter 3, which moves to between the third and fourth gear positions.

[0103] Simultaneously, the gear selection cylinder shaft 502 acts on the first piston 105, which in turn acts on the third / fourth gear position detection switch 606. After the third / fourth gear position detection switch 606 detects the signal, the sixth interface e is simultaneously vented. The fifth piston 109 drives the shift cylinder shaft 402, which in turn drives the first shift indirect dial 401 to move. The first shift indirect dial 401 acts on the shift dial 201, which in turn drives the transverse shift lever 2 and the shift dial 3 to rotate. The shift dial 3 rotates to the fourth gear position. The transverse shift lever 2 rotates and acts on the N gear position detection switch 601, disengaging from N gear. At this time, the shift dial 3 is in the corresponding position for fourth gear, and the transmission is in fourth gear. The rotation of the shift dial 3 acts on the fourth gear position detection switch 605.

[0104] The S60 reverse gear operation process is as follows:

[0105] After the N gear is operated, the first port a1, the third port b, the fourth port c and the fifth port d are simultaneously cut off from the air supply, while the eighth port g and the second port a2 are simultaneously supplied with air. The second piston 106 drives the gear selection cylinder shaft 502, which in turn drives the second gear selection indirect shifter 501. The second gear selection indirect shifter 501 acts on the shift shifter 3, which moves in the first direction AB to the R gear pre-shift position.

[0106] The gear selection cylinder shaft 502 acts on the third piston 107, which in turn acts on the R position detection switch 612. After the R position detection switch 612 detects the signal, the seventh port f is vented, and the fifth piston 109 drives the shift cylinder shaft 402. The shift cylinder shaft 402 drives the first shift indirect shift lever 401 to move. The first shift indirect shift lever 401 acts on the shift lever 201, which in turn drives the transverse shift lever 2 and the shift lever 3 to rotate. The shift lever 3 rotates from the R pre-selected gear position to the R pre-shift position. The transverse shift lever 2 rotates, acting on the N position detection switch 601, disengaging from N gear. At this time, the shift lever 3 is in the corresponding R position, and the transmission is in R gear.

[0107] The above content is only for illustrating the technical concept of this utility model and should not be construed as limiting the scope of protection of this utility model. Any modifications made to the technical solution based on the technical concept proposed in this utility model shall fall within the scope of protection of this utility model.

Claims

1. A transmission shifting control device, characterized in that, include: Control housing (1); A transverse shift lever (2) is arranged along the first direction (AB), and is arranged inside the control housing (1) and rotatably connected to the control housing (1); the transverse shift lever (2) is provided with a shifting head (201), and the shifting head (201) is provided with a first shifting limit groove (202). The shift lever (3) is slidably sleeved on the transverse shift lever (2) and connected to the transverse shift lever (2) via a spline. The shift lever (3) is provided with a second shifting limit groove (301). A transverse shifting cylinder (4) is provided with a first shift indirect dial (401) connected to its output end. The end of the first shift indirect dial (401) is located in the first shifting limit groove (202). The end of the first shift indirect dial (401) and the first shifting limit groove (202) are in clearance fit. The transverse shifting cylinder (4) is used to shift the shifting dial (201) and drive the transverse shift lever (2) to rotate around the axis when the first shift indirect dial (401) moves along the second direction (CD). The first direction (AB) is perpendicular to the second direction (CD). An axial shifting cylinder (5) is provided with a second gear selection indirect shifter (501) connected to its output end. The end of the second gear selection indirect shifter (501) is located in the second shifting limit groove (301). The end of the second gear selection indirect shifter (501) and the second shifting limit groove (301) are in clearance fit. The axial shifting cylinder (5) is used to shift the shifter (3) to slide axially on the transverse shifting lever (2) when the second gear selection indirect shifter (501) moves along the first direction (AB).

2. The transmission shifting control device according to claim 1, characterized in that, The axial actuation cylinder (5) includes: A first cylinder (101) and a second cylinder (102) are formed inside the control housing (1). A first interface (a1), a second interface (a2), an eighth interface (g), and a ninth interface (h) are provided on the control housing (1) and communicate with the first cylinder (101). A third interface (b) is provided on the control housing (1) and communicates with the second cylinder (102); The first piston (105) and the second piston (106) are located inside the first cylinder (101), the first port (a1) and the second port (a2) are located on the side of the first piston (105) away from the second piston (106), the eighth port (g) is located between the first piston (105) and the second piston (106), and the ninth port (h) is located on the side of the second piston (106) away from the first piston (105); The third piston (107) is located inside the second cylinder (102), and the second piston (106) is located between the first piston (105) and the third piston (107); A gear selection cylinder shaft (502) arranged along the first direction (AB) slides through the operating housing (1). One end of the gear selection cylinder shaft (502) is located in the first cylinder body (101), and the other end of the gear selection cylinder shaft (502) is located in the second cylinder body (102). The gear selection cylinder shaft (502) is located between the first piston (105) and the third piston (107). The second piston (106) is fixed on the gear selection cylinder shaft (502). The gear selection cylinder shaft (502) is fixedly connected to the second gear selection indirect dial (501).

3. A transmission shifting control device according to claim 2, characterized in that, The first cylinder (101) is provided with a first limiting ring (111), which is located between the first piston (105) and the second piston (106).

4. A transmission shifting control device according to claim 2, characterized in that, The control housing (1) is provided with a third / fourth gear position detection switch (606) and an R gear position detection switch (612). The end of the third / fourth gear position detection switch (606) is located inside the first cylinder (101). The first piston (105) is located between the third / fourth gear position detection switch (606) and the gear selection cylinder shaft (502). The end of the R gear position detection switch (612) is located inside the second cylinder (102). The third piston (107) is located between the R gear position detection switch (612) and the gear selection cylinder shaft (502).

5. A transmission shifting control device according to claim 1, characterized in that, The lateral actuation cylinder (4) includes: The third cylinder (103) and the fourth cylinder (104) are opened in the control housing (1). A fourth interface (c), a sixth interface (e), and a seventh interface (f) are provided on the control housing (1) and communicate with the third cylinder (103); A fifth interface (d) is provided on the control housing (1) and communicates with the fourth cylinder (104). The fourth piston (108) and the fifth piston (109) are located in the third cylinder (103), the fourth port (c) is located on the side of the fourth piston (108) away from the fifth piston (109), the sixth port (e) is located between the fourth piston (108) and the fifth piston (109), and the seventh port (f) is located on the side of the fifth piston (109) away from the fourth piston (108); The sixth piston (110) is located inside the fourth cylinder (104), and the fifth piston (109) is located between the fourth piston (108) and the sixth piston (110); A shift cylinder shaft (402) arranged along the second direction (CD) slides through the operating housing (1). One end of the shift cylinder shaft (402) is located in the third cylinder body (103), and the other end of the shift cylinder shaft (402) is located in the fourth cylinder body (104). The shift cylinder shaft (402) is located between the fourth piston (108) and the sixth piston (110). The fifth piston (109) is fixed on the shift cylinder shaft (402). The shift cylinder shaft (402) is fixedly connected to the first shift indirect dial (401).

6. A transmission shifting control device according to claim 5, characterized in that, The third cylinder (103) is provided with a second limiting ring (112), which is located between the fourth piston (108) and the fifth piston (109).

7. A transmission shifting control device according to claim 5, characterized in that, The control housing (1) is provided with an N-position detection switch (601), a first-position detection switch (602), a second-position detection switch (603), a third-position detection switch (604), and a fourth-position detection switch (605). The horizontal shift lever (2) is provided with an N position contact part (607), and the shift knob (3) is provided with a first gear position contact part (608), a second gear position contact part (609), a third gear position contact part (610) and a fourth gear position contact part (611). When the horizontal shift lever (2) is in the N position, the N position contact part (607) triggers the N position detection switch (601). When the shift lever (3) is in the first position, the first position contact part (608) abuts against the first position detection switch (602). When the shift lever (3) is in the second position, the second position contact part (609) abuts against the second position detection switch (603). When the shift lever (3) is in the third position, the third position contact part (610) abuts against the third position detection switch (604). When the shift lever (3) is in the fourth position, the fourth position contact part (611) abuts against the fourth position detection switch (605).

8. A transmission shifting control device according to claim 7, characterized in that, The N-gear position contact part (607) is a strip-shaped groove formed on the transverse shift lever (2) and along the axial direction of the transverse shift lever (2). The groove is connected to the outer surface of the transverse shift lever (2) through a smooth curved surface. The N-gear position contact part (607) is located inside the groove.

9. A transmission shifting control device according to claim 1, characterized in that, The shift knob (3) includes a connecting part (302) and a moving end (303). The connecting part (302) is fixedly connected to the moving end (303). The connecting part (302) is slidably sleeved on the transverse shift lever (2) and connected to the transverse shift lever (2) through a spline.

10. A transmission shifting control device according to claim 1, characterized in that, The end of the first shift lever (401) is in clearance fit with the first shifting limit groove (202), as follows: The cross-sectional length of the first shifting limit groove (202) is greater than the cross-sectional length of the end of the first shifting indirect dial (401), and the cross-sectional width of the first shifting limit groove (202) is greater than the cross-sectional width of the end of the first shifting indirect dial (401). The end of the second gear selector indirect dial (501) is clearance-fitted with the second actuation limiting groove (301), as detailed below: The cross-sectional length of the second toggle limiting groove (301) is greater than the cross-sectional length of the end of the second gear selection indirect dial (501), and the cross-sectional width of the second toggle limiting groove (301) is greater than the cross-sectional width of the end of the second gear selection indirect dial (501).

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