CN213117433U - AMT gearbox - Google Patents
AMT gearbox Download PDFInfo
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- CN213117433U CN213117433U CN202021240684.XU CN202021240684U CN213117433U CN 213117433 U CN213117433 U CN 213117433U CN 202021240684 U CN202021240684 U CN 202021240684U CN 213117433 U CN213117433 U CN 213117433U
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- 230000009347 mechanical transmission Effects 0.000 description 4
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Abstract
The utility model belongs to the technical field of the gearbox, concretely relates to AMT gearbox, it has solved manual gearbox and has shifted slow, the operation is frequent, take oil and lead to driver fatigue driving easily, influences the safe problem of traveling. The utility model comprises a mechanical gearbox and an electric control element; the automatic transmission control system also comprises a main box gear selecting and shifting actuating mechanism, a clutch actuating mechanism, an auxiliary box gear shifting actuating mechanism, an automatic transmission control unit TCU and an auxiliary shaft brake; the electric control element comprises an input rotating speed sensor, an output rotating speed sensor, a main box gear selection position sensor, a main box gear shifting position sensor, an auxiliary box gear shifting position sensor and a clutch power cylinder position sensor, and transmits data to the automatic transmission control unit TCU through a data line; the auxiliary shaft brake is used for realizing the speed reduction of the main box and the auxiliary shaft. The utility model does not need manual operation; the gear shifting is accurate, convenient, smooth and stable, the operation is simple, safe and reliable, and the economy is high; the driving is convenient, comfortable and easy.
Description
Technical Field
The utility model belongs to the technical field of the gearbox, concretely relates to AMT gearbox.
Background
The hybrid power and pure electric commercial vehicle is the development trend of future commercial vehicles in China, and the plug-in hybrid power and pure electric commercial vehicle matched with the AMT has the advantages of strong power (especially excellent climbing performance), high economy, strong road condition adaptability, high reliability, light weight, low cost and the like, and is a recognized new energy commercial vehicle technical route which best meets the Chinese situation.
At present, automobile gearboxes are various in types, but mainly comprise a manual gearbox and an automatic gearbox. Although the manual gearbox is simple in structure and relatively low in price, the manual gearbox is slow in gear shifting, frequent in operation, high in oil consumption (due to the fact that gears are not matched with the rotating speed of an engine or the speed of the vehicle), high in labor intensity of driver driving and operation, prone to causing fatigue driving and influencing driving safety.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it shifts slowly, operates frequently, takes oil and driver's driving controls intensity of labour big to solve manual transmission, leads to driver fatigue easily, influences the safe problem of traveling, provides an AMT gearbox.
The utility model discloses a following technical scheme realizes: an AMT gearbox comprises a mechanical gearbox and an electric control element; the automatic transmission control system also comprises a main box gear selecting and shifting actuating mechanism, a clutch actuating mechanism, an auxiliary box gear shifting actuating mechanism, an automatic transmission control unit TCU and an auxiliary shaft brake;
the mechanical gearbox is a main gearbox and an auxiliary gearbox;
the main box gear selecting and shifting actuating mechanism is arranged at the top of the transmission shell, is fixedly connected with the main box shell through bolts and is used for realizing gear selecting and shifting;
the auxiliary box gear shifting actuating mechanism is arranged on the rear side of the auxiliary box and is fixedly connected with the auxiliary box through a bolt for realizing the gear shifting of the auxiliary box;
the clutch actuating mechanism is arranged at the bottom of the gearbox, is fixedly connected with the clutch shell through a bolt and is used for realizing the separation or the connection of the clutch;
the electric control element comprises an input rotating speed sensor, an output rotating speed sensor, a main box gear selection position sensor, a main box gear shifting position sensor, an auxiliary box gear shifting position sensor and a clutch power cylinder position sensor, and transmits data to the automatic transmission control unit TCU through a data line;
the input rotating speed sensor is arranged at the shell of the main box and used for acquiring gear rotating speed data of the main box;
the output rotating speed sensor is arranged at the shell of the auxiliary box and used for acquiring the rotating speed data of the odometer wheel;
the main box gear selecting position sensor and the main box gear shifting position sensor are arranged on the main box gear selecting and shifting actuating mechanism and are used for acquiring gear selecting and shifting stroke data of the main box and ensuring that gear selecting and shifting are in place;
the auxiliary box gear shifting position sensor is arranged on the auxiliary box gear shifting executing mechanism and used for acquiring auxiliary box gear shifting stroke data and ensuring that gear shifting is in place;
the clutch power cylinder position sensor is arranged on the clutch actuating mechanism and used for acquiring separation or engagement stroke data and ensuring that the separation or engagement is in place;
the automatic gearbox control unit TCU is used for controlling a main gearbox gear selecting and shifting actuating mechanism, a clutch actuating mechanism and an auxiliary gearbox gear shifting actuating mechanism;
the auxiliary shaft brake is used for realizing the speed reduction of the main box auxiliary shaft, the auxiliary shaft brake is arranged in an inner cavity of a clutch shell of the mechanical gearbox and is positioned at the initial end of the main box auxiliary shaft, the auxiliary shaft brake is fixed with the clutch shell through a bolt, and a friction plate assembly of the auxiliary shaft brake is connected with the main box auxiliary shaft through a spline.
Further, the mechanical gearbox is a main gearbox and an auxiliary gearbox with double auxiliary shafts.
Further, the auxiliary shaft brake is a friction type brake.
The utility model discloses compare prior art's beneficial effect:
the utility model is additionally provided with an input rotating speed sensor, an output rotating speed sensor, a main box gear selecting position sensor, a main box gear shifting position sensor, an auxiliary box gear shifting position sensor and a clutch power-assisted cylinder position sensor to realize accurate data monitoring, accurate gear shifting and oil saving (avoiding mismatching of gears and engine rotating speed and vehicle speed); the utility model is additionally provided with the auxiliary shaft brake, so that the rotating speed between the required gear and the existing gear tends to be consistent, and the purposes of quick, smooth and stable gear shifting are achieved; therefore, the utility model can automatically shift gears during the running process of the vehicle without manual operation; the gear shifting is accurate, convenient, smooth and stable, the operation is simple, safe and reliable, and the economy is high; the driving is convenient, comfortable and easy (fatigue-free).
Drawings
Fig. 1 is a control diagram of the present invention.
FIG. 2 is a schematic structural diagram of a mechanical transmission 1;
FIG. 3 is a schematic structural view of a mechanical transmission 2;
FIG. 4 is a schematic structural view of a mechanical transmission 3;
FIG. 5 is a schematic structural view of a mechanical transmission 4;
in the figure: 1-input shaft, 2-auxiliary shaft brake, 3-main box auxiliary shaft, 4-transmission main shaft, 5-auxiliary box auxiliary shaft, 6-output shaft, 7-main box gear selecting and shifting actuating mechanism, 8-clutch actuating mechanism, 9-auxiliary box gear shifting actuating mechanism, 10-input rotating speed sensor, 11-output rotating speed sensor, 12-main box gear selecting position sensor, 13-main box gear shifting position sensor, 14-auxiliary box gear shifting position sensor and 15-clutch power cylinder position sensor.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 1, the utility model provides a technical scheme: an AMT gearbox comprises a mechanical gearbox and an electric control element, and further comprises a main gearbox gear selecting and shifting actuating mechanism, a clutch actuating mechanism, an auxiliary gearbox gear shifting actuating mechanism, an automatic gearbox control unit TCU and an auxiliary shaft brake;
the mechanical gearbox is a main gearbox and an auxiliary gearbox;
the main box gear selecting and shifting actuating mechanism is arranged at the top of the shell of the transmission case, is fixedly connected with the shell of the transmission case through a bolt and is used for a gear shifting rod of the transmission case, so that gear selecting and shifting are realized;
the auxiliary box gear shifting actuating mechanism is arranged on the rear side of the auxiliary box, is fixedly connected with the auxiliary box through a bolt and is used for controlling a shifting fork shaft in the auxiliary box to move back and forth so as to realize gear shifting of the auxiliary box;
the clutch actuating mechanism is arranged at the bottom of the gearbox, is fixedly connected with the clutch shell through a bolt and is used for controlling a booster pump push rod of the gearbox to move back and forth, so that the clutch is separated or jointed;
the electric control element comprises an input rotating speed sensor, an output rotating speed sensor, a main box gear selection position sensor, a main box gear shifting position sensor, an auxiliary box gear shifting position sensor and a clutch power cylinder position sensor, and transmits data to the automatic transmission control unit TCU through a data line;
the input rotating speed sensor is arranged at the shell of the main box and used for acquiring gear rotating speed data of the main box;
the output rotating speed sensor is arranged at the shell of the auxiliary box and used for acquiring the rotating speed data of the odometer wheel;
the main box gear selecting position sensor and the main box gear shifting position sensor are arranged on the main box gear selecting and shifting actuating mechanism and are used for acquiring gear selecting and shifting stroke data of the main box and ensuring that gear selecting and shifting are in place;
the auxiliary box gear shifting position sensor is arranged on the auxiliary box gear shifting executing mechanism and used for acquiring auxiliary box gear shifting stroke data and ensuring that gear shifting is in place;
the clutch power cylinder position sensor is arranged on the clutch actuating mechanism and used for acquiring separation or engagement stroke data and ensuring that the separation or engagement is in place;
the automatic gearbox control unit TCU is used for controlling a main gearbox gear selecting and shifting actuating mechanism, a clutch actuating mechanism and an auxiliary gearbox gear shifting actuating mechanism;
the auxiliary shaft brake is used for realizing the speed reduction of the main box auxiliary shaft, the auxiliary shaft brake is arranged in an inner cavity of a clutch shell of the mechanical gearbox and is positioned at the starting end of the main box auxiliary shaft, the auxiliary shaft brake is fixed with the clutch shell through a bolt, a friction plate assembly of the auxiliary shaft brake is connected with the main box auxiliary shaft through a spline, the auxiliary shaft brake can effectively reduce the rotating speed of the auxiliary shaft, and further the rotating speed is reduced when the gear reduction is realized, and the gear shifting is smooth.
The mechanical gearbox is a main gearbox and a secondary gearbox which are double countershaft gearboxes, can be matched with an 8-gear gearbox with 830Nm engine torque, and has 8 forward gears and 2 reverse gears. The main box has 4 forward gears, 1 reverse gear and the auxiliary box has 2 gears, so that the 4 x 2 or 8 forward gears and the 1 x 2 or 2 reverse gears can be arranged. The main box and the auxiliary box both adopt a double-intermediate-shaft structure, so that the torque is split, and the length of the gearbox is short; all gears of the main box are shifted by sliding sleeves, so that the service life is long, and the reliability is high; the auxiliary box gear is shifted by a synchronizer, so that the operating performance is good; the gear ratio steps of all gears are uniform, the gear shifting is light, and the oil is saved; the center distance of the gearbox is 105mm, the total length is 891mm, the weight is light, the cost is low, and the oil is economical and saving; the speed ratio range is 9.1-0.757, and the requirements of various commercial vehicles and new energy commercial vehicles on dynamic property and speed per hour can be met.
The auxiliary shaft brake is a friction type brake.
The main box gear selecting position sensor, the main box gear shifting position sensor and the auxiliary box gear shifting position sensor can be QR512E in model number; the type of the position sensor of the clutch boosting cylinder can be 8 XfNYHd; the input speed sensor and the output speed sensor may be of type FE048367000028a 1137.
Main box gear selection gear shift control: the main box gear selection position sensor and the main box gear shifting position sensor transmit the acquired real-time main box gear selection and gear shifting stroke data to the automatic transmission control unit TCU, the automatic transmission control unit TCU controls the main box gear selection and gear shifting actuating mechanism to select gears and shift gears according to the acquired data, then the main box gear selection position sensor and the main box gear shifting position sensor acquire the real-time main box gear selection and gear shifting stroke data again and transmit the real-time main box gear selection and gear shifting stroke data to the automatic transmission control unit TCU, and the operation is repeated until the main box gear selection and gear shifting are in place;
and (3) auxiliary box gear shifting control: the auxiliary box gear shifting position sensor acquires auxiliary box gear shifting stroke data and transmits the data to the automatic transmission control unit TCU, the automatic transmission control unit TCU controls the auxiliary box gear shifting actuating mechanism to shift gears according to the acquired data, then the auxiliary box gear shifting position sensor acquires auxiliary box gear shifting stroke real-time data again and transmits the auxiliary box gear shifting stroke real-time data to the automatic transmission control unit TCU, and the process is repeated until the auxiliary box is shifted in place;
clutch disengagement or engagement control: the clutch boosting cylinder position sensor obtains real-time data of clutch separation or engagement stroke and transmits the data to the automatic transmission control unit TCU, the automatic transmission control unit TCU controls the clutch actuating mechanism to separate or engage the clutch after obtaining the data, then the clutch boosting cylinder position sensor obtains the real-time data of the clutch separation or engagement stroke again and transmits the data to the automatic transmission control unit TCU, and the operation is repeated until the clutch is separated or engaged in place;
the input shaft is consistent with the output shaft in rotating speed, and stable gear shifting is realized: the input rotating speed sensor and the output rotating speed sensor output the real-time data of the rotating speed of the main box gear and the real-time data of the rotating speed of the odometer wheel to the automatic transmission control unit TCU; the automatic transmission control unit TCU controls the auxiliary shaft brake to reduce the speed of the main box auxiliary shaft according to the obtained data, so that the rotating speed of the output shaft is reduced, the rotating speeds of the input shaft and the output shaft are enabled to be consistent (the rotating speed between a required gear and the existing gear is enabled to be consistent), and finally stable gear shifting is achieved.
The utility model discloses an automatic operating principle shifts:
in the running process of the vehicle, the input rotating speed sensor, the output rotating speed sensor, the main box gear selection position sensor, the main box gear shifting position sensor and the auxiliary box gear shifting position sensor transmit respectively acquired real-time data to the automatic transmission control unit TCU, the automatic transmission control unit TCU confirms the up-down gear after automatic analysis, so as to control the main box gear selection gear shifting execution mechanism to select gears and shift gears and the auxiliary box gear shifting execution mechanism to shift gears, in addition, the automatic transmission control unit TCU controls the auxiliary shaft brake to down-speed the main box auxiliary shaft according to the down-shifting or the up-shifting or the automatic transmission control unit TCU transmits the data to the driving computer ECU, and the driving computer ECU controls the engine to accelerate, so that the rotating speeds of the input shaft and the output shaft are consistent (the rotating speeds between the required gear and the existing gear tend to be consistent), and the purposes.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (3)
1. An AMT gearbox, includes mechanical type gearbox and automatically controlled component, its characterized in that: the automatic transmission control system also comprises a main box gear selecting and shifting actuating mechanism, a clutch actuating mechanism, an auxiliary box gear shifting actuating mechanism, an automatic transmission control unit TCU and an auxiliary shaft brake;
the mechanical gearbox is a main gearbox and an auxiliary gearbox;
the main box gear selecting and shifting actuating mechanism is arranged at the top of the transmission shell, is fixedly connected with the main box shell through bolts and is used for realizing gear selecting and shifting;
the auxiliary box gear shifting actuating mechanism is arranged on the rear side of the auxiliary box and is fixedly connected with the auxiliary box through a bolt for realizing the gear shifting of the auxiliary box;
the clutch actuating mechanism is arranged at the bottom of the gearbox, is fixedly connected with the clutch shell through a bolt and is used for realizing the separation or the connection of the clutch;
the electric control element comprises an input rotating speed sensor, an output rotating speed sensor, a main box gear selection position sensor, a main box gear shifting position sensor, an auxiliary box gear shifting position sensor and a clutch power cylinder position sensor, and transmits data to the automatic transmission control unit TCU through a data line;
the input rotating speed sensor is arranged at the shell of the main box and used for acquiring gear rotating speed data of the main box;
the output rotating speed sensor is arranged at the shell of the auxiliary box and used for acquiring the rotating speed data of the odometer wheel;
the main box gear selecting position sensor and the main box gear shifting position sensor are arranged on the main box gear selecting and shifting actuating mechanism and are used for acquiring gear selecting and shifting stroke data of the main box and ensuring that gear selecting and shifting are in place;
the auxiliary box gear shifting position sensor is arranged on the auxiliary box gear shifting executing mechanism and used for acquiring auxiliary box gear shifting stroke data and ensuring that gear shifting is in place;
the clutch power cylinder position sensor is arranged on the clutch actuating mechanism and used for acquiring separation or engagement stroke data and ensuring that the separation or engagement is in place;
the automatic gearbox control unit TCU is used for controlling a main gearbox gear selecting and shifting actuating mechanism, a clutch actuating mechanism and an auxiliary gearbox gear shifting actuating mechanism;
the auxiliary shaft brake is used for realizing the speed reduction of the main box auxiliary shaft, the auxiliary shaft brake is arranged in an inner cavity of a clutch shell of the mechanical gearbox and is positioned at the initial end of the main box auxiliary shaft, the auxiliary shaft brake is fixed with the clutch shell through a bolt, and a friction plate assembly of the auxiliary shaft brake is connected with the main box auxiliary shaft through a spline.
2. An AMT gearbox according to claim 1, wherein: the mechanical gearbox is a main gearbox and an auxiliary gearbox with double auxiliary shafts.
3. An AMT gearbox according to claim 1 or 2, wherein: the auxiliary shaft brake is a friction type brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021240684.XU CN213117433U (en) | 2020-06-30 | 2020-06-30 | AMT gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021240684.XU CN213117433U (en) | 2020-06-30 | 2020-06-30 | AMT gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213117433U true CN213117433U (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021240684.XU Active CN213117433U (en) | 2020-06-30 | 2020-06-30 | AMT gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213117433U (en) |
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2020
- 2020-06-30 CN CN202021240684.XU patent/CN213117433U/en active Active
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