CN211875081U - Automatic drive-by-wire gear shifting system of unmanned vehicle - Google Patents
Automatic drive-by-wire gear shifting system of unmanned vehicle Download PDFInfo
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- CN211875081U CN211875081U CN202020496850.6U CN202020496850U CN211875081U CN 211875081 U CN211875081 U CN 211875081U CN 202020496850 U CN202020496850 U CN 202020496850U CN 211875081 U CN211875081 U CN 211875081U
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Abstract
The utility model discloses an automatic shift-by-wire system of unmanned vehicle, which comprises an automatic gearbox control unit, an AMT gearbox, a shift cable and a shift actuating motor assembly, wherein the AMT gearbox comprises a shift swing arm, and the shift actuating motor assembly comprises a shift motor; the automatic gearbox control unit is electrically connected with a gear shifting motor, and the gear shifting motor is connected with one end of a gear shifting swing arm through a gear shifting inhaul cable. The utility model controls the gear shifting motor through the automatic gearbox control unit to control the swing of the gear shifting swing arm through the gear shifting cable to realize automatic gear shifting, therefore, the whole automatic gear shifting system is externally arranged, is convenient to install, is not influenced by the gearbox model, and can support most of the existing manual AMT gearboxes; meanwhile, compared with the development of the whole set of unmanned gearbox, the development cost and the development period are greatly reduced.
Description
Technical Field
The utility model relates to an unmanned technical field, in particular to unmanned vehicle drive-by-wire automatic gear shifting system.
Background
The power systems for unmanned vehicles in unmanned systems can be roughly classified into 3 types: gasoline power, diesel power, and electric power. The unmanned vehicle of the electric power system is easy to realize automatic shift-by-wire operation, and the gasoline power system and the diesel power system are troublesome to realize the automatic shift-by-wire system, especially the AMT gearbox which is common and has relatively low cost is used nowadays.
The unmanned vehicle is indispensable to realize automatic gear shifting of a gearbox of the unmanned vehicle, and the vehicle can only reliably and stably run if the gearbox realizes automatic gear shifting by wire.
The common gear shifting of the existing unmanned vehicle is customized and developed on a gearbox, so that the gearbox is shifted by wire, or a high-cost CVT (continuously variable transmission) is used for designing, and the CVT does not have the gear shifting process, namely the existing automatic gear shifting system has high development cost, long development period and high development limitation.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the automatic shift-by-wire system of the unmanned vehicle can be matched with the existing AMT gearbox to realize automatic shift-by-wire, and the development cost and the development period are reduced.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a wire-control automatic gear shifting system of an unmanned vehicle comprises an automatic gearbox control unit, an AMT gearbox, a gear shifting inhaul cable and a gear shifting execution motor assembly, wherein the AMT gearbox comprises a gear shifting swing arm, and the gear shifting execution motor assembly comprises a gear shifting motor;
the automatic gearbox control unit is electrically connected with the gear shifting motor, and the gear shifting motor is connected with one end of the gear shifting swing arm through the gear shifting inhaul cable.
Further, the gear shifting execution motor assembly further comprises a gear selecting motor, the gear selecting motor is electrically connected with the automatic gearbox control unit, the AMT gearbox further comprises a gear selecting swing arm, and the gear selecting motor is connected with one end of the gear selecting swing arm through a gear selecting inhaul cable.
The gear shifting execution motor assembly further comprises a clutch motor, the clutch motor is electrically connected with the automatic gearbox control unit, and the AMT gearbox further comprises a clutch deflector rod;
the clutch motor is connected with the clutch hydraulic device, the clutch hydraulic device is connected with the clutch slave cylinder through a hydraulic oil pipe, and the clutch slave cylinder is connected with the clutch shift lever.
Further, the gear shifting execution motor assembly further comprises an accelerator motor, the accelerator motor is connected with the automatic transmission control unit, and the accelerator motor is connected with one end of an accelerator swing arm on the unmanned vehicle through an accelerator cable.
Further, an angle sensor is arranged on the gear shifting motor and connected with the automatic gearbox control unit.
The beneficial effects of the utility model reside in that: a wire control automatic gear shifting system of an unmanned vehicle is characterized in that an automatic gearbox control unit is electrically connected with a gear shifting motor, the gear shifting motor is connected with one end of a gear shifting swing arm on an AMT gearbox through a gear shifting inhaul cable, and therefore automatic gear shifting is achieved by controlling the swing of the gear shifting swing arm, therefore, the whole automatic gear shifting system is externally mounted, is convenient to mount, is not influenced by the type of the gearbox, and can support most of existing manual AMT gearboxes; meanwhile, compared with the development of the whole set of unmanned gearbox, the development cost and the development period are greatly reduced.
Drawings
Fig. 1 is an overall schematic diagram of an automatic shift-by-wire system of an unmanned vehicle according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an automatic shift-by-wire system for an unmanned vehicle according to an embodiment of the present invention.
Description of reference numerals:
1. an automatic transmission control unit; 2. an AMT gearbox; 3. a shift cable; 4. a gear shifting execution motor assembly; 5. a clutch hydraulic device; 6. a clutch slave cylinder; 7. a gear selecting inhaul cable; 8. an accelerator cable; 9. a hydraulic oil pipe; 21. a gear shifting swing arm; 22. a gear selecting swing arm; 23. a clutch deflector rod; 41. a shift motor; 42. a gear selecting motor; 43. a clutch motor; 44. an accelerator motor.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 and 2, the automatic shift-by-wire system for the unmanned vehicle comprises an automatic transmission control unit, an AMT transmission, a shift cable and a shift execution motor assembly, wherein the AMT transmission comprises a shift swing arm, and the shift execution motor assembly comprises a shift motor;
the automatic gearbox control unit is electrically connected with the gear shifting motor, and the gear shifting motor is connected with one end of the gear shifting swing arm through the gear shifting inhaul cable.
From the above description, the beneficial effects of the present invention are: the automatic gearbox control unit is electrically connected with a gear shifting motor, the gear shifting motor is connected with one end of a gear shifting swing arm on the AMT gearbox through a gear shifting inhaul cable, and therefore automatic gear shifting is achieved by controlling swing of the gear shifting swing arm, therefore, the whole automatic gear shifting system is externally mounted, is convenient to mount, is not influenced by the type of the gearbox, and can support most of existing manual AMT gearboxes; meanwhile, compared with the development of the whole set of unmanned gearbox, the development cost and the development period are greatly reduced.
Further, the gear shifting execution motor assembly further comprises a gear selecting motor, the gear selecting motor is electrically connected with the automatic gearbox control unit, the AMT gearbox further comprises a gear selecting swing arm, and the gear selecting motor is connected with one end of the gear selecting swing arm through a gear selecting inhaul cable.
From the above description, the automatic transmission control unit is connected with the gear selecting motor, and the gear selecting motor is connected with one end of the gear selecting swing arm on the AMT transmission through the gear selecting inhaul cable, so that the automatic gear lifting operation is realized by controlling the gear selecting swing arm.
The gear shifting execution motor assembly further comprises a clutch motor, the clutch motor is electrically connected with the automatic gearbox control unit, and the AMT gearbox further comprises a clutch deflector rod;
the clutch motor is connected with the clutch hydraulic device, the clutch hydraulic device is connected with the clutch slave cylinder through a hydraulic oil pipe, and the clutch slave cylinder is connected with the clutch shift lever.
From the above description, the control unit of the automatic transmission is connected with the clutch motor, the clutch motor drives the clutch hydraulic device, and the clutch slave cylinder is controlled by the hydraulic oil pipe. The clutch shift lever is pushed by the clutch slave cylinder to perform clutch combination and separation actions.
Further, the gear shifting execution motor assembly further comprises an accelerator motor, the accelerator motor is connected with the automatic transmission control unit, and the accelerator motor is connected with one end of an accelerator swing arm on the unmanned vehicle through an accelerator cable.
From the above description, the automatic transmission control unit is connected to the throttle motor, and the throttle motor is connected to one end of the throttle swing arm on the unmanned vehicle through the throttle cable, so as to realize automatic throttle control by controlling the throttle swing arm, thereby realizing constant speed driving.
Further, an angle sensor is arranged on the gear shifting motor and connected with the automatic gearbox control unit.
From the above description, the execution condition of the gear shifting motor is reflected by the angle sensor, and similarly, the gear selecting motor, the clutch motor and the accelerator motor are all provided with the angle sensor to reflect the execution condition of each motor.
Referring to fig. 1 and fig. 2, a first embodiment of the present invention is:
the utility model provides an unmanned vehicle drive-by-wire automatic gear shifting system, includes automatic transmission control unit 1, AMT gearbox 2, shift cable 3, shift actuating motor assembly 4, separation and reunion hydraulic means 5, separation and reunion wheel cylinder 6, select and keep off cable 7 and throttle cable 8, AMT gearbox 2 is including shifting swing arm 21, selecting and keep off swing arm 22 and separation and reunion driving lever 23, shift actuating motor assembly 4 includes shift motor 41, select to keep off motor 42, clutch motor 43 and throttle motor 44.
As shown in fig. 1, the automatic transmission control unit 1 is electrically connected with a shift motor 41, a gear selecting motor 42, a clutch motor 43 and an accelerator motor 44 through wiring harnesses, wherein the shift motor 41 is connected with one end of a shift swing arm 21 through a shift cable 3; the gear selecting motor 42 is connected with one end of the gear selecting swing arm 22 through a gear selecting inhaul cable 7; the clutch motor 43 is connected with the clutch hydraulic device 5, the clutch hydraulic device 5 is connected with the clutch slave cylinder 6 through a hydraulic oil pipe 9, and the clutch slave cylinder 6 is connected with the clutch shift lever 23; the throttle motor 44 is connected to one end of a throttle swing arm on the unmanned vehicle via a throttle cable 8.
In this embodiment, the gear shifting motor 41, the gear selecting motor 42, the clutch motor 43 and the accelerator motor 44 are provided with angle sensors, each angle sensor returns motor execution data to the automatic transmission control unit 1, in this embodiment, the gear shifting cable 3, the gear selecting cable 7 and the accelerator cable 8 are cables dedicated for automobile gear shifting, and are steel cables which are the same type as the manual gear shifting cables.
In the present embodiment, the connection between the motor and the cable is described as follows: be provided with output shaft and output swing arm on the motor, the one end of output swing arm is installed on the output shaft, the other end and the one end lock joint of cable, the other end and the driven swing arm lock joint of cable, for example shift cable 3's one end and shift motor 41 go up the one end lock joint of output swing arm, and shift cable 3's the other end and the AMT gearbox 2 on shift swing arm 21's one end lock joint.
As shown in fig. 1, which is a schematic diagram of the initial state of the shift swing arm 21 and the select swing arm 22, when the automatic transmission control unit 1 drives the shift swing arm 21 to perform a shift operation and drives the select swing arm 22 to perform a select operation, as shown in fig. 2, the shift swing arm 21 and the select swing arm 22 both rotate.
For further understanding of the present application, the operation of selecting and shifting gears in conjunction with the present application is described as follows:
the automatic transmission control unit 1 controls the gear shifting logic of the whole gear shifting system, and the automatic transmission control unit 1 can receive data of a generator speed sensor, a vehicle speed sensor and a brake signal sensor of a vehicle in real time during driving and execute automatic gear shifting operation according to the data of the sensors.
The automatic shift-by-wire system of the unmanned vehicle mainly can realize the switching of different gears, such as the switching of N, D, R gears, namely the swinging of the shift swing arm 21 in the left, middle and right directions; automatic upshifting and downshifting of the D1-Dn gear, namely n swing angles of the gear selecting swing arm 22; the automatic throttle control can realize constant speed running.
Specifically, when the shift instruction is received by the automatic shift-by-wire system of the unmanned vehicle, the automatic transmission control unit 1 may perform a shift operation according to the received instruction, thereby implementing the shift between the gears N, D, R by wire-control. In the D-gear driving process, the automatic shift-by-wire system of the unmanned vehicle drives the accelerator motor 44 to act according to the driving speed required by the received command so as to realize automatic accelerator control, and the automatic upshift is realized in the driving process according to different speed systems, such as D1- > D2- > D3, until the required speed is reached. Similarly, when the required speed is lower than the current driving speed, a downshift action is automatically performed, such as D4- > D3- > D2, and the automatic upshift action can be realized when the vehicle speed meets the upshift or downshift condition according to the value of the vehicle speed sensor during the upshift action. The above described shift and upshift logic is referred to as the shift logic and upshift logic of the manual AMT gearbox 2.
To sum up, the utility model provides a pair of unmanned vehicle drive-by-wire automatic gear shifting system, automatic transmission control unit receives the vehicle information that other sensors returned in the execution condition that comes from each motor and the vehicle and controls the gear shifting actuating motor assembly, then realize automatic gear shifting through the swing of gear shifting cable control gear shifting swing arm by gear shifting motor, select to keep off the swing arm in order to realize automatic lift by selecting to keep off the motor and select to keep off the operation through selecting to keep off the cable control, carry out the separation and reunion combination, the separation action in order to promote the separation and reunion driving lever by clutch motor drive separation and reunion hydraulic means, control throttle swing arm in order to realize the automatic throttle by throttle motor through throttle cable, go in order to realize the constant speed. Therefore, the whole automatic gear shifting system is externally arranged, is convenient to install, is not influenced by the type of the gearbox, and can support most of the conventional manual AMT gearboxes; meanwhile, compared with the development of the whole set of unmanned gearbox, the development cost and the development period are greatly reduced.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (5)
1. An automatic shift by wire system of unmanned vehicle which characterized in that: the automatic transmission control system comprises an automatic transmission control unit, an AMT (automated mechanical transmission), a gear shifting inhaul cable and a gear shifting execution motor assembly, wherein the AMT comprises a gear shifting swing arm, and the gear shifting execution motor assembly comprises a gear shifting motor;
the automatic gearbox control unit is electrically connected with the gear shifting motor, and the gear shifting motor is connected with one end of the gear shifting swing arm through the gear shifting inhaul cable.
2. The unmanned vehicle drive-by-wire automatic shift system according to claim 1, wherein: the gear shifting execution motor assembly further comprises a gear selecting motor, the gear selecting motor is electrically connected with the automatic gearbox control unit, the AMT gearbox further comprises a gear selecting swing arm, and the gear selecting motor is connected with one end of the gear selecting swing arm through a gear selecting inhaul cable.
3. The unmanned vehicle drive-by-wire automatic shift system according to claim 1, wherein: the gear shifting execution motor assembly further comprises a clutch motor, the clutch motor is electrically connected with the automatic gearbox control unit, and the AMT gearbox further comprises a clutch deflector rod;
the clutch motor is connected with the clutch hydraulic device, the clutch hydraulic device is connected with the clutch slave cylinder through a hydraulic oil pipe, and the clutch slave cylinder is connected with the clutch shift lever.
4. The unmanned vehicle drive-by-wire automatic shift system according to claim 1, wherein: the gear shifting execution motor assembly further comprises an accelerator motor, the accelerator motor is connected with the automatic gearbox control unit, and the accelerator motor is connected with one end of an accelerator swing arm on the unmanned vehicle through an accelerator cable.
5. The unmanned vehicle drive-by-wire automatic shift system according to claim 1, wherein: an angle sensor is arranged on the gear shifting motor and connected with the automatic gearbox control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020496850.6U CN211875081U (en) | 2020-04-08 | 2020-04-08 | Automatic drive-by-wire gear shifting system of unmanned vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020496850.6U CN211875081U (en) | 2020-04-08 | 2020-04-08 | Automatic drive-by-wire gear shifting system of unmanned vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211875081U true CN211875081U (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020496850.6U Active CN211875081U (en) | 2020-04-08 | 2020-04-08 | Automatic drive-by-wire gear shifting system of unmanned vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN211875081U (en) |
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- 2020-04-08 CN CN202020496850.6U patent/CN211875081U/en active Active
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