CN211474271U

CN211474271U - Automatic control device for tractor throttle

Info

Publication number: CN211474271U
Application number: CN202020115628.7U
Authority: CN
Inventors: 崔红杰; 郑地师
Original assignee: Shenzhen Binghe Navigation Technology Co ltd
Current assignee: Shenzhen Binghe Navigation Technology Co ltd
Priority date: 2020-01-18
Filing date: 2020-01-18
Publication date: 2020-09-11
Anticipated expiration: 2030-01-18

Abstract

The utility model relates to the technical field of tractors, in particular to an automatic control device for a tractor throttle, which comprises a body and a controller connected with the body, wherein the body is provided with a connecting rope for being fixed on a tractor throttle pull rod; the body comprises a shell, a driving device arranged in the shell and a transmission mechanism rotationally connected with the driving device, and the connecting rope is in transmission connection with the transmission mechanism; the body also comprises a signal transmitting and receiving device communicated with external equipment, and the signal transmitting and receiving device is electrically connected with the controller; therefore, the automatic control or semi-automatic control of the fuel charging/discharging door of the tractor can be realized in the driving process of the tractor, so that the working efficiency of the tractor in the automatic driving process can be improved, the operation is quick and convenient, the manual labor is reduced, and the safety and the simplicity are improved; the novel multifunctional desk has the characteristics of simple and reasonable structure and convenience in use, can meet the requirements of users, and is high in practical value.

Description

Automatic control device for tractor throttle

Technical Field

The utility model relates to a tractor technical field, concretely relates to tractor throttle automatic control device.

Background

With the increasing aging of domestic population and the gradual reduction of rural agricultural population, people who can be invested in the aspect of agricultural production are less and less. In order to meet the stable supply of domestic agricultural products, a batch of mechanized and automated equipment is urgently needed to assist the agricultural production. In recent years, automatic driving systems have been gradually developed to reduce the labor intensity of agricultural production. In many flat areas (other areas also exist), because the land parcel is very long, many drivers start automatic driving after adjusting the course and the running speed of the tractor on the tractor, then get off the vehicle to perform other operations, and get on the vehicle to adjust the tractor (steering, turning around, flameout and the like) until the tractor runs to the land or other positions.

When the tractor works in a large working area and automatically drives in a long land (the running speed of the tractor is very low in many times), the tractor is controlled without people in many times, so that many drivers start the automatic driving mode after adjusting the course and the speed of the tractor, and leave the tractor to do other work. However, in the unmanned driving process, the driving speed of the tractor needs to be increased (decreased) properly, and the driver needs to return to the cab again to control the accelerator. Since the driver is far from the locomotive and is inconvenient to return to the cab, the automatic driving system cannot meet the agricultural requirements. In order to solve the above problems, the present invention is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tractor throttle automatic control device to solve at least one of the above-mentioned defect that prior art exists.

In order to achieve the above purpose, the utility model provides a following technical scheme: an automatic control device for a tractor accelerator comprises a body and a controller connected with the body, wherein a connecting rope used for being fixed on a tractor accelerator pull rod is arranged on the body; the body comprises a shell, a driving device arranged in the shell and a transmission mechanism rotationally connected with the driving device, and the connecting rope is in transmission connection with the transmission mechanism; the body also comprises a signal transmitting and receiving device communicated with external equipment, and the signal transmitting and receiving device is electrically connected with the controller.

The utility model discloses a further improvement, signal transmission and receiving arrangement are wireless communication module, external equipment is smart mobile phone or computer terminal.

The utility model discloses a further improvement, signal transmission and receiving arrangement are infrared receiving module, external equipment is the remote controller.

The utility model discloses a further improvement, drive mechanism including set up on the shell and with drive arrangement rotate the gear structure of connecting, with drive gear that the gear structure transmission is connected and wear to establish in the drive gear and rather than the transfer line of screw assembly.

The utility model discloses a further improvement, the shell internal fixation has the spacing post of hollow, the one end of transfer line with spacing post cup joints, the other end with connect rope fixed connection.

The utility model discloses a further improvement, shell one side is equipped with the confession the gear structure with what drive gear held holds the box, it has been used for spacingly to hold a box side cover the limiting plate of drive gear, drive gear is located hold the box with between the limiting plate.

The utility model discloses a further improvement, it is equipped with the mounting to connect the rope to be close to shell one side cover, and this mounting is fixed hold on the box, the mounting is kept away from shell one end is equipped with spacing subassembly, spacing subassembly including fixing the stopper on connecting the rope and fixing on the mounting and with stopper matched with locating part.

The utility model discloses a further improvement, it has the notch to open on this limiting plate, drive gear includes gear spare and fixes gear shaft in the gear spare and with the bearing that the gear shaft cooperation is connected, this bearing is fixed on the limiting plate, and with the notch is corresponding.

The utility model discloses a further improvement, the shell is close to and connects rope one side and be equipped with the fixed plate.

Compared with the prior art, the utility model discloses following beneficial effect has:

the automatic control device for the tractor accelerator comprises a body and a controller connected with the body, wherein a connecting rope used for being fixed on a tractor accelerator pull rod is arranged on the body; the body comprises a shell, a driving device arranged in the shell and a transmission mechanism rotationally connected with the driving device, and the connecting rope is in transmission connection with the transmission mechanism; the body also comprises a signal transmitting and receiving device communicated with external equipment, and the signal transmitting and receiving device is electrically connected with the controller; through the design, the automatic control or semi-automatic control of the fuel charging/discharging door of the tractor can be realized in the driving process of the tractor, so that the working efficiency of the tractor in the automatic driving process can be improved, the operation is quick and convenient, the manual labor is reduced, and the safety and the simplicity are improved; the novel multifunctional desk has the characteristics of simple and reasonable structure and convenience in use, can meet the requirements of users, and is high in practical value.

The invention is further described with reference to the drawings and the specific embodiments.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the explosion structure of the present invention.

Fig. 3 is a schematic view of a partial structure of the present invention.

Fig. 4 is a schematic diagram of the local explosion structure of the present invention.

Fig. 5 is a schematic view of a partial structure of the present invention.

Fig. 6 is a reference diagram of the remote controller of the present invention.

In the drawings: 1. a body; 2. connecting ropes; 3. a housing; 4. a drive device; 5. a connecting wire; 6. a gear structure; 7. a transmission gear; 8. a transmission rod; 9. a limiting column; 10. accommodating the box; 11. a limiting plate; 12. a fixing member; 13. a limiting block; 14. a limiting member; 15. a fixing plate; 16. a notch; 17. a gear member; 18. a gear shaft; 19. and a bearing.

Detailed Description

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-6, the utility model discloses an automatic control device for a tractor throttle, which comprises a body 1 and a controller connected with the body 1, wherein the controller is electrically connected with the body 1; the body 1 is provided with a connecting rope 2 which is used for being fixed on a tractor accelerator pull rod, and the connecting rope 2 can be a steel wire rope; the body 1 comprises a shell 3, a driving device 4 arranged in the shell 3 and a transmission mechanism rotationally connected with the driving device 4, and the connecting rope 2 is in transmission connection with the transmission mechanism; the drive means 4 may be a motor; the body 1 further comprises a signal transmitting and receiving device which is communicated with external equipment, and the signal transmitting and receiving device is electrically connected with the controller.

The signal transmitting and receiving device is a wireless communication module, and the external equipment is a smart phone or a computer terminal. When the accelerator is controlled, the signal transmitting and receiving device controls the controller through the communication of external equipment to realize remote control; and the smart phone can be controlled by downloading the APP. In addition, the signal transmitting and receiving device is an infrared receiving module, and the external equipment is a remote controller; the control of the controller can be realized as well.

Further, the transmission mechanism comprises a gear structure 6 arranged on the housing 3 and rotationally connected with the driving device 4, a transmission gear 7 in transmission connection with the gear structure 6, and a transmission rod 8 arranged in the transmission gear 7 in a penetrating manner and in threaded assembly with the transmission gear, wherein the transmission rod 8 can be a screw rod; a hollow limiting column 9 is fixed in the shell 3, one end of the transmission rod 8 is sleeved with the limiting column 9, and the other end of the transmission rod is fixedly connected with the connecting rope 2;

when the driving device 4 is started, the driving gear structure 6 is driven to rotate and simultaneously drives the transmission gear 7 to rotate, and under the action of rotation of the transmission gear 7, the transmission rod 8 can be driven to perform telescopic motion and simultaneously drive the connecting rope 2 to perform telescopic motion; when the driving device 4 rotates forwards, the connecting rope 2 can be pulled to retract inwards, when the transmission rod 8 moves to the tail end of the limiting column 9 and is abutted against one side face of the shell 3, flameout can be avoided, when the transmission rod rotates backwards, the connecting rope 2 can be loosened and extends outwards, and meanwhile, the limiting block 13 on the connecting rope 2 is abutted against the limiting block 14.

Further, an accommodating box 10 for accommodating the gear structure 6 and the transmission gear 7 is arranged on one side of the housing 3, a limiting plate 11 for limiting the transmission gear 7 is covered on one side of the accommodating box 10, the accommodating box 10 is fixed with the housing 3 through the limiting plate 11, and the transmission gear 7 is located between the accommodating box 10 and the limiting plate 11; the limiting plate 11 is provided with a notch 16, the transmission gear 7 comprises a gear piece 17, a gear shaft 18 fixed in the gear piece 17 and a bearing 19 matched and connected with the gear shaft 18, and the bearing 19 is fixed on the limiting plate 11 and corresponds to the notch 16; the gear member 17 is in meshing connection with the gear structure 6; one end of the body 1, which is far away from the connecting rope 2, is provided with a connecting wire 5, and the connecting wire 5 comprises a red line, a yellow line and a green line.

A fixing part 12 is sleeved on one side, close to the shell 3, of the connecting rope 2, the fixing part 12 is fixed on the accommodating box 10, a limiting component is assembled at one end, far away from the shell 3, of the fixing part 12, the limiting component comprises a limiting block 13 fixed on the connecting rope 2 and a limiting part 14 fixed on the fixing part 12 and matched with the limiting block 13, and when the connecting rope 2 extends out, the limiting block 13 can block the connecting rope in the limiting part 14; a fixing plate 15 is arranged on one side of the shell 3 close to the connecting rope 2, so that the body 1 is convenient to mount and fix. The throttle control device is manually operated by the control button.

In this embodiment, first, the connecting rope 2 on the body 1 is fixed to the accelerator pull rod of the tractor, and when the accelerator pedal is completely released, the connecting rope 2 is just tightened (without removing the original vehicle parts, and the accelerator pedal of the original vehicle can still be used); then, after the direction and the position of the body 1 are adjusted, the body 1 is fixed at a proper position on the tractor, and no interference between the body 1 and the connecting rope 2 and the tractor is ensured; then, connecting the connecting wire 5 of the body 1 to a controller, connecting the red wire to the anode, connecting the yellow wire to the cathode (grounded), and connecting the green wire to a stop control signal; subsequently, the tractor starts the back, and drive arrangement 4 in the drive body 1 takes place to rotate to corresponding position, and rope 2 is connected in the pulling through the control command (signal) that the controller that receives sent to body 1 can be through connecting rope 2 fixed tractor throttle pull rod and take place to remove.

In conclusion, the automatic control device for the accelerator of the tractor can ensure that the automatic control or semi-automatic control of the accelerator/decelerator of the tractor can be realized in the driving process of the tractor, so that the working efficiency of the tractor in the automatic driving process can be improved, the operation is quick and convenient, the manual labor is reduced, and the safety and the simplicity are improved; the novel multifunctional desk has the characteristics of simple and reasonable structure and convenience in use, can meet the requirements of users, and is high in practical value.

In another embodiment, a controller of the body 1 can be connected with a 12V (24V) storage battery to be powered on, and the controller is matched with the storage battery through a smart phone, a computer terminal or a remote controller; secondly, two probes (a millimeter wave radar, a camera and the like) are arranged in front of the tractor head and are connected to the controller; after the tractor is started, the course and the speed of the tractor are adjusted, and then an automatic driving mode is started; command of controlling accelerator/accelerator:

a. according to the fact that the probe detects an obstacle in front of the tractor, the number of the probes is two by default, the distance of the detected obstacle is less than 3 meters, the detected obstacle is continuously detected for more than 2 times, and the probe is connected to the controller, namely a throttle releasing instruction is sent to the body 1 until the throttle is completely released.

b. And the accelerator is loosened according to the instruction of the upper computer. In the automatic driving mode, if the RTK/motor/rotation angle sensor (both are automatic driving accessories) is abnormal for more than 1 second, the App switches to the manual mode and sends an accelerator releasing instruction (the same as above). And the body 1 can be used in communication with an automatic driving system.

c. And (4) releasing the accelerator according to the lost time of the heartbeat packet, wherein the default is 1 second. After the App enters the automatic driving mode, an instruction for entering the warning mode is sent to the body 1.

d. The user (driver) brakes the tractor by pressing the fuel door up/down button on the remote control. After the remote controller sends an accelerator (throttle) adding instruction to the controller, the controller sends an instruction signal to the body 1 to enable the tractor to add/reduce the accelerator.

After the body 1 receives the command sent by the controller, the body 1 starts to work, and pulls/releases the steel wire rope to force the tractor to increase/decrease the accelerator.

After the tractor is provided with the accelerator, the tractor cannot be automatically restored, and after the accelerator one function is manually clicked on the automatic driving APP or the accelerator one key is pressed on the remote controller, the remote controller sends an instruction to enable the controller to send a loosening and loosening signal to the body 1, and the tractor is clicked for multiple times until the accelerator is restored and reset.

3. Ontology control detail setting

The driving device 4 adopted by the body 1 can be a servo motor, has an encoder and a locking function, and can accurately control the motor to rotate by a certain angle. When the accelerator pedal is used, the user can click the times of an icon (an accelerator button on the remote controller) on the APP to change a signal sent by the controller, so that the rotating angle of the motor in the body 1 is controlled, and the accelerator can be added or subtracted in different degrees.

Parameter setting comparison table (data is set according to actual measurement, and the data of the table is only used for reference)

Number of clicks	0	1	2	3	4	≥5
							Magnitude of pulling force (N)	0	3-5	8-12	15-30	30-40	＞40
Wire rope stroke (mm)	0	5-10	12-18	20-25	25-30	50
							Brake effectiveness assessment	Is completely released	Light throttle	Moderate throttle	Severe throttle	Super throttle	Extreme limit

Braking effect evaluation complete-release light throttle, moderate throttle, heavy throttle and super-large throttle limit

After clicking an accelerator one icon on the APP or pressing an accelerator one key on the remote controller, the body 1 sends an accelerator releasing control instruction to gradually release the accelerator, and the accelerator is released for multiple times after clicking for multiple times until the accelerator is completely released;

after clicking an accelerator + 'icon on the APP or pressing an accelerator +' key on a remote controller, the body 1 sends an accelerator control instruction to gradually enlarge the accelerator, and the accelerator is enlarged for multiple times after clicking for multiple times until the accelerator is enlarged to the limit;

when APP starts manual driving mode or body 1 cuts off the power supply, body 1 is automatic to be loosened, makes the tractor throttle reset.

It should be noted that the automatic driving mode is a function of an automatic driving system, is a technology well known to those skilled in the art, and is also a prior art, and is not described herein again.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The detachable installation mode has various modes, for example, a mode of matching with a buckle through plugging, for example, a mode of connecting through a bolt, and the like.

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described above with reference to the embodiments and the accompanying drawings, so as to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions.

The above embodiments are only used for further explanation of the present invention, and it is not understood that the present invention is limited by the protection scope of the present invention, and the technical engineers in the field are right according to the above contents of the present invention.

Claims

1. The utility model provides a tractor throttle automatic control device, include body (1) and with the controller that body (1) links to each other, its characterized in that: the body (1) is provided with a connecting rope (2) for fixing on a tractor accelerator pull rod; the body (1) comprises a shell (3), a driving device (4) arranged in the shell (3) and a transmission mechanism rotationally connected with the driving device (4), and the connecting rope (2) is in transmission connection with the transmission mechanism; the body (1) further comprises a signal transmitting and receiving device communicated with external equipment, and the signal transmitting and receiving device is electrically connected with the controller.

2. The automatic control device for the tractor throttle as claimed in claim 1, wherein: the signal transmitting and receiving device is a wireless communication module, and the external equipment is a smart phone or a computer terminal.

3. The automatic control device for the tractor throttle as claimed in claim 1, wherein: the signal transmitting and receiving device is an infrared receiving module, and the external equipment is a remote controller.

4. The automatic control device for the tractor throttle as claimed in claim 1, wherein: the transmission mechanism comprises a gear structure (6) which is arranged on the shell (3) and is rotationally connected with the driving device (4), a transmission gear (7) which is in transmission connection with the gear structure (6), and a transmission rod (8) which is arranged in the transmission gear (7) in a penetrating way and is assembled with the transmission rod through threads.

5. The automatic control device for the tractor throttle as claimed in claim 4, wherein: the shell (3) is internally fixed with a hollow limiting column (9), one end of the transmission rod (8) is sleeved with the limiting column (9), and the other end of the transmission rod is fixedly connected with the connecting rope (2).

6. The automatic control device for the tractor throttle as claimed in claim 4, wherein: the gear structure (6) and the accommodating box (10) for accommodating the transmission gear (7) are arranged on one side of the shell (3), a limiting plate (11) used for limiting the transmission gear (7) is covered on one side of the accommodating box (10), and the transmission gear (7) is located between the accommodating box (10) and the limiting plate (11).

7. The automatic control device for the tractor throttle as claimed in claim 6, wherein: connect rope (2) and be close to shell (3) one side cover and be equipped with mounting (12), this mounting (12) are fixed hold on the box (10), mounting (12) are kept away from shell (3) one end is equipped with spacing subassembly, spacing subassembly including fix stopper (13) on connecting rope (2) and fix on mounting (12) and with stopper (13) matched with locating part (14).

8. The automatic control device for the tractor throttle as claimed in claim 6, wherein: a notch (16) is formed in the limiting plate (11), the transmission gear (7) comprises a gear piece (17), a gear shaft (18) fixed in the gear piece (17) and a bearing (19) connected with the gear shaft (18) in a matched mode, and the bearing (19) is fixed on the limiting plate (11) and corresponds to the notch (16).

9. The automatic control device for the tractor throttle as claimed in claim 1, wherein: and a fixing plate (15) is arranged on one side of the shell (3) close to the connecting rope (2).