CN216407708U - Gearbox gear control system based on linear driving motor - Google Patents
Gearbox gear control system based on linear driving motor Download PDFInfo
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- CN216407708U CN216407708U CN202120760716.7U CN202120760716U CN216407708U CN 216407708 U CN216407708 U CN 216407708U CN 202120760716 U CN202120760716 U CN 202120760716U CN 216407708 U CN216407708 U CN 216407708U
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Abstract
The utility model discloses a gearbox gear control system based on a linear driving motor, which comprises an actuating mechanism and a control mechanism, wherein the actuating mechanism comprises a driving motor, a gear shifting screw rod, a shifting fork, a gear shifting shaft, a gear shifting slider and a position sensor which are arranged in a gear gearbox, the control mechanism comprises a main controller, a gear shifting controller, a motor controller and a display, and the gearbox gear control method based on the linear driving motor is realized by the control system. The labor intensity of operators is reduced.
Description
Technical Field
The utility model relates to the technical field of gearbox gear adjustment, in particular to a gearbox gear control system based on a linear driving motor.
Background
At present, in the existing combine harvester, the gear shifting function of the gearbox is usually realized by a traditional stay wire type gear shifting mechanism, and the angle change of a gear dial is controlled through a stay wire, so that the purpose of gear shifting is realized.
Traditional stay-supported gearshift generally comprises control lever, control lever support, stay wire drive mechanism, gear driver plate and gear gearbox, and its space that occupies is great, and the structure is complicated, and the installation is troublesome, can not detect the actual position of current gear moreover, probably takes place the gear and switches wrong phenomenon.
The utility model discloses a gearbox gear control system and a gearbox gear control method based on a linear driving motor, which aim to reduce the spatial arrangement volume between a control mechanism and an execution mechanism, realize real-time monitoring of gear information, enable the execution mechanism to accurately act according to the requirements of an operator and achieve the function of accurately switching gears.
Disclosure of Invention
In order to solve the problems, the utility model provides a gearbox gear control system and a gearbox gear control method based on a linear driving motor, and the gearbox gear control system and the gearbox gear control method are realized through the following technical scheme.
The gearbox gear control system based on the linear driving motor comprises an actuating mechanism and a control mechanism;
the actuating mechanism comprises a driving motor, a gear shifting screw rod, a shifting fork, a gear shifting shaft, a gear shifting slider and a position sensor which are arranged in the gear transmission.
The control mechanism comprises a main controller, a gear controller, a motor controller and a display, wherein the main controller, the gear controller and the motor controller can be respectively and independently connected with one display, and the main controller, the gear controller and the motor controller can also be connected with the same display together.
Furthermore, driving motor is connected with the lead screw of shifting, the shift fork passes through the gear shift axle and rotates to be connected in the gear gearbox, the slider of shifting articulates the rear end at the shift fork, and the slider of shifting meshes with the lead screw of shifting, position sensor is used for gathering the position signal of shift fork.
Furthermore, the main controller is in signal connection with the gear controller, the main controller is connected with an input port of the motor controller through CAN communication, a signal interface of the motor controller is connected with the position sensor, the driving motor is connected with an output port of the motor controller, and the main controller is further externally connected with a display.
Further, the gear controller is one of a gear adjusting rod or a gear switch.
Further, the motor controller is a TCU continuously variable transmission controller.
The utility model has the following beneficial effects:
1. the utility model has wider application range, can be used for gear control of the combine harvester, and can also be used for other agricultural machines or motor vehicles with gear speed change devices.
2. The gears are switched through the driving motor, and the gear shifting device is purely electrically controlled, so that the operation is simple, the gear information can be accurately displayed, and the gear shifting is accurate.
3. The technical scheme of the utility model has larger expansibility, can be combined with automatic driving, can completely realize the automatic driving operation function of the combine harvester according to the comparison between the designed working condition value and the actual working condition value, and reduces the labor intensity of operators.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive labor.
FIG. 1: the utility model discloses a structural schematic diagram of an actuating mechanism;
FIG. 2: a cross-sectional view taken along the line A-A in FIG. 1;
FIG. 3: position diagram of the shifting fork in the first gear;
FIG. 4: a map of the position of the fork in the neutral position;
FIG. 5: position diagram of the shifting fork in the second gear;
FIG. 6: the utility model discloses a structural schematic diagram of a control mechanism.
The reference numbers are as follows:
the system comprises a 1-gear gearbox, a 2-driving motor, a 3-gear shifting screw rod, a 4-shifting fork, a 5-gear shifting shaft, a 6-gear shifting slider, a 7-position sensor, an 8-main controller, a 9-gear controller, a 10-motor controller and an 11-display screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
1-6, a linear drive motor based transmission gear control system includes an actuator and a control mechanism;
the actuating mechanism comprises a driving motor 2 arranged in a gear gearbox 1, a gear shifting screw rod 3, a shifting fork 4, a gear shifting shaft 5, a gear shifting slider 6 and a position sensor 7.
The control mechanism comprises a main controller 8, a gear controller 9, a motor controller 10 and a display 11, wherein the main controller 8, the gear controller 9 and the motor controller 10 can be respectively and independently connected with the display 11, and the main controller 8, the gear controller 9 and the motor controller 10 can also be connected with the same display 11 together.
Preferably, the driving motor 2 is connected with a shifting screw rod 3, the shifting fork 4 is rotatably connected in the gear gearbox 1 through a shifting shaft 5, the shifting slider 6 is hinged at the rear end of the shifting fork 4, the shifting slider 6 is meshed with the shifting screw rod 3, and the position sensor 7 is used for acquiring a position signal of the shifting fork 4.
Preferably, the main controller 8 is in signal connection with the gear controller 9, the main controller 8 is connected with an input port of the motor controller 10 through CAN communication, a signal interface of the motor controller 10 is connected with the position sensor 7, the driving motor 2 is connected with an output port of the motor controller 10, and the main controller 8 is further externally connected with a display 11.
Preferably, the gear controller 9 is one of a gear adjusting lever and a gear switch.
Preferably, the motor controller 10 is a TCU cvt controller.
The gearbox gear control method based on the linear driving motor 2 is realized by means of the control system and comprises the following steps:
s1: inputting a target gear through a gear controller 9, and transmitting a target gear signal to a motor controller 10 through CAN communication by a main controller 8;
s2: the position sensor 7 collects the current position signal of the shifting fork 4 and transmits the current position signal to the motor controller 10;
s3: the motor controller 10 processes the current position signal and the target gear signal of the shifting fork 4, and controls the duty ratio of the driving motor 2 through the analysis processing result of the signals, so that the number of rotating turns of the driving motor 2 is consistent with the set number of turns;
s4: thereby driving motor 2 is just reversing 4 angles of control shift fork, realizes the function of shifting gears through shift fork 4.
The utility model has the following two specific embodiments:
example 1
Fig. 4 is a position diagram of the shift fork 4 at the neutral position.
As shown in fig. 3, which shows a position diagram of the shift fork 4 in the first gear, at this time, the driving motor 2 drives the shift screw 3 to rotate forward and drives the shift slider 6 to move downward.
In fig. 3, e is a connecting line between the center of the shift fork 4 and the center of the shift shaft 5 in the neutral position, f is a connecting line between the center of the shift fork 4 and the center of the shift shaft 5 in the first gear, and θ 1 is an angle between f and e in the first gear.
Since the shift fork 4 moves with the shift shaft 5 as the center, the shift slider 6 rotates with the shift shaft 5 as the center, the rotation angle of the center of the shift slider 6 and the shift shaft 5 is the same as the rotation angle of the shift fork 4, and the value of the angle is a negative value.
And L is the distance from the center of the shift shaft 5 to the center of the shift screw rod 3.
According to the pythagorean theorem, the distance value H1 between the shift slider 6 and the center of the shift shaft 5 can be calculated, wherein H1 is tg (— θ 1) × L.
According to the specification and model of the thread on the shift screw rod 3, the position value S of the shift screw rod 3 which is moved by one rotation and one rotation can be calculated, so that the number of rotations n required by the driving motor 2 is calculated, wherein n is H1/S; and an operation time T of the drive motor 2, T being N/N; where N is the rated revolution number of the linear drive motor 2.
The action time T of the driving motor 2 controls the duty ratio of the driving motor 2 through the motor controller 10, so that the number of rotating turns of the driving motor 2 is consistent with the set number of turns, and the purpose of controlling the angle of the shifting fork 4 is achieved.
Example 2
Fig. 4 is a position diagram of the shift fork 4 at the neutral position.
As shown in fig. 5, it shows the position diagram of the shift fork 4 in the second gear, at this time, the driving motor 2 drives the shift screw 3 to rotate reversely and drives the shift slider 6 to move upward.
In fig. 5, e is a line from the center of the shift fork 4 to the center of the shift shaft 5 in the neutral position, g is a line from the center of the shift fork 4 to the center of the shift shaft 5 in the second gear, and θ 2 is the angle between g and e in the second gear.
Since the shift fork 4 moves with the shift shaft 5 as the center, the shift slider 6 rotates with the shift shaft 5 as the center, the rotation angle of the center of the shift slider 6 and the shift shaft 5 is the same as the rotation angle of the shift fork 4, and the value of the angle is a negative value.
And L is the distance from the center of the shift shaft 5 to the center of the shift screw rod 3.
According to the pythagorean theorem, the distance value H2 between the shift slider 6 and the center of the shift shaft 5 can be calculated, wherein H2 is tg (— θ 2) × L.
According to the specification and model of the thread on the shift screw rod 3, the position value S of the shift screw rod 3 which is moved by one rotation and one rotation can be calculated, so that the number of rotations n required by the driving motor 2 is calculated, wherein n is H2/S; and an operation time T of the drive motor 2, T being N/N; where N is the rated revolution number of the linear drive motor 2.
The action time T of the driving motor 2 controls the duty ratio of the driving motor 2 through the motor controller 10, so that the number of rotating turns of the driving motor 2 is consistent with the set number of turns, and the purpose of controlling the angle of the shifting fork 4 is achieved.
Example 1 and example 2 were combined
Before shifting, the motor controller 10 monitors the actual position of the shift fork 4 at this time by the position sensor 7, and determines whether the shift fork 4 is in the neutral position.
If the position is in the neutral position, the gear shifting operation can be carried out, and the motor controller 10 drives the motor 2 to send an action command; if the vehicle is not in the neutral position, the shift operation is not permitted, and the motor controller 10 prohibits the transmission of the motion command to the drive motor 2.
During gear shifting, the gear controller 9 sends gear information to the motor controller 10, the linear driving motor controller 10 performs analysis processing on data acquired from the position sensor 7 and set data through self-checking, a processed result is sent to the main controller 8, the main controller 8 sends the gear information to the display 11, a processed instruction is sent to the driving motor 2, the driving motor 2 acts according to the received instruction, the position sensor 7 sends the detected data to the motor controller 10 while the driving motor 2 acts, the motor controller 10 sends the received data to the main controller 8, the main controller 8 compares the received information with the information sent by the gear controller 9, and the received information is the same as the set information and is displayed normally; if the received information is different from the setting information, an abnormality is displayed.
The utility model uses the combination of the motor controller 10 and the driving motor 2, has simple operation, increases the gear monitoring function, reduces the problem that the control mechanism is not matched with the actuating mechanism, and reduces the internal space occupancy of the control console.
The embodiments of the present invention are explained above.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. Gearbox gear control system based on linear drive motor, its characterized in that: comprises an actuating mechanism and a control mechanism;
actuating mechanism is including setting up driving motor (2), the lead screw (3) of shifting, shift fork (4), selector shaft (5), the slider of shifting (6) and position sensor (7) in gear gearbox (1), control mechanism includes main control unit (8), gear controller (9), machine controller (10) and display (11), main control unit (8), gear controller (9) and machine controller (10) can be connected a display (11) alone respectively, main control unit (8), gear controller (9) and machine controller (10) also can be connected with same display (11) jointly.
2. The linear drive motor based transmission gear control system according to claim 1, characterized in that: the gear shifting device is characterized in that the driving motor (2) is connected with a gear shifting lead screw (3), the shifting fork (4) is rotatably connected in the gear gearbox (1) through a gear shifting shaft (5), the gear shifting slider (6) is hinged to the rear end of the shifting fork (4), the gear shifting slider (6) is meshed with the gear shifting lead screw (3), and the position sensor (7) is used for acquiring a position signal of the shifting fork (4).
3. A linear drive motor based transmission gear control system according to claim 2, characterised in that: main control unit (8) and gear controller (9) signal connection, main control unit (8) are connected with the input port of motor controller (10) through the CAN communication, and the signal interface and the position sensor (7) of motor controller (10) are connected, driving motor (2) are connected with the output port of motor controller (10), main control unit (8) are still external display (11).
4. A linear drive motor based transmission gear control system according to claim 3, characterized in that: the gear controller (9) is one of a gear adjusting rod or a gear switch.
5. The linear drive motor based transmission gear control system according to claim 4, characterized in that: the motor controller (10) is a TCU continuously variable transmission controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120760716.7U CN216407708U (en) | 2021-04-14 | 2021-04-14 | Gearbox gear control system based on linear driving motor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120760716.7U CN216407708U (en) | 2021-04-14 | 2021-04-14 | Gearbox gear control system based on linear driving motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115264043A (en) * | 2022-06-24 | 2022-11-01 | 三一重型装备有限公司 | Automatic synchronous calibration system and method for double gearboxes, vehicle and readable storage medium |
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2021
- 2021-04-14 CN CN202120760716.7U patent/CN216407708U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115264043A (en) * | 2022-06-24 | 2022-11-01 | 三一重型装备有限公司 | Automatic synchronous calibration system and method for double gearboxes, vehicle and readable storage medium |
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