CN212148792U

CN212148792U - Automatic brake device of tractor

Info

Publication number: CN212148792U
Application number: CN202020117632.7U
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: 2020-12-15
Anticipated expiration: 2030-01-18

Abstract

The utility model relates to the technical field of tractors, in particular to an automatic brake device of a tractor, 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 brake pull rod of the tractor; 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; through the design, the tractor can be ensured to be automatically controlled or semi-automatically controlled to decelerate and brake in the driving process, so that the tractor 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 brake device of tractor

Technical Field

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

Background

The tractor is great at work area, when the land parcel is longer carries out the autopilot operation in the ground (tractor driving speed is very slow many times), all need not the people to manage and control the tractor many times, therefore many drivers just leave the tractor and do some other work and go after adjusting course, the speed of tractor, open the autopilot mode. In this unmanned driving process, when the tractor the place ahead emergence accident (someone, livestock, tree, stone, ditch, bank etc. appear in the plantago), because the driver is not on the tractor, can't make response fast to emergency, the accident appears extremely easily, causes the loss.

The current automatic driving system is not perfect, and many functions are not realized. The tractor brake is still processed in an original brake mode, namely, the tractor brake connecting rod is controlled through the pedal plate to brake the tractor. The mode of controlling the tractor brake belongs to the self-carrying of the tractor when leaving factory, has simple structure and low cost, but needs manual operation on the tractor, thus needing to increase manpower to control the brake of the tractor, which is very inconvenient for the agricultural production with shortage of agricultural population and higher labor cost; even if the brake is not timely carried out under emergency, the potential safety hazard can exist. In order to solve the above problems, the present invention is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic brake device of a tractor, which aims to solve at least one of the defects existing in the prior art.

In order to achieve the above purpose, the utility model provides a following technical scheme: an automatic brake device of a tractor comprises a body and a controller connected with the body, wherein a connecting rope used for being fixed on a brake pull rod of the tractor is arranged on the body; the body includes the shell, sets up drive arrangement in the shell and with drive arrangement rotates the drive mechanism who is connected, connect the rope with drive mechanism transmission is connected.

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 brake device of the tractor comprises a body and a controller connected with the body, wherein a connecting rope used for being fixed on a brake pull rod of the tractor 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; through the design, the tractor can be ensured to be automatically controlled or semi-automatically controlled to decelerate and brake in the driving process, so that the tractor 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 brake device of a tractor, 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 brake pull rod of a tractor, and the connecting rope 2 can be a steel wire rope; the body 1 comprises a shell 3, a driving device 4 fixed 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 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 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, the driving device 4 rotates to the limit position, at the moment, the transmission rod 8 moves to the tail end of the limiting column 9 to be abutted against one side face of the shell 3, when the transmission rod rotates backwards, the connecting rope 2 can be loosened to extend 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. In addition, a control button is provided on the controller, and the automatic brake device can be manually operated through the control button.

In the embodiment, firstly, the connecting rope 2 on the body 1 is fixed on the brake pull rod of the tractor, and under the condition that the brake is completely released, the connecting rope 2 is just tightened (the original vehicle accessory is not required to be removed, and the brake 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, after the tractor is started, the body 1 can drive the driving device 4 in the body 1 to rotate to the limit position through a received control command (signal) sent by the controller, and the connecting rope 2 is pulled, so that the tractor brake pull rod fixed through the connecting rope 2 moves, and the tractor brakes; when the brake pull rod moves to the extreme position, the tractor brakes.

In conclusion, the automatic brake device for the tractor can ensure that the tractor can automatically control or semi-automatically control the speed reduction and braking of the tractor in the driving process, is fast and convenient, reduces the manual labor, and improves the safety and the simplicity; 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 addition, the body 1 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 signal transmitting and receiving device is a wireless communication module, and the external equipment is a smart phone or a computer terminal. The signal transmitting and receiving device is used for controlling the controller through external equipment communication, so that remote control is realized; the APP can be downloaded through the smart phone for control; in addition, the signal transmitting and receiving device is an infrared receiving module, and the external equipment is a remote controller; remote control is also possible.

In another embodiment, a controller of the extinguisher is connected with a 12V (24V) storage battery to be powered on, and the controller is matched with the intelligent mobile phone, the computer terminal or the 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; braking and emergency stop instructions:

a. and realizing braking according to the obstacle in front of the tractor detected by the probe. The default probes are two, the distance between the two probes is less than 3 meters, the obstacle is detected simultaneously, the number of times of detection is more than 2, namely, a braking instruction is sent to the body 1, and the shorter the distance is, the more the number of times of the sent instruction is. When the distance from the obstacle is detected to be less than 1 meter and the detection is continued for more than 2 times, the body 1 pulls the brake pull rod to the limit position for braking.

b. And braking is realized 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 a braking instruction (the same as above).

c. And braking is realized according to the loss time of the heartbeat packet, and the default is 1 second. And after the App enters the automatic driving mode, sending an instruction of entering the alert mode to the brake controller. After entering the manual mode, an instruction for exiting the alert mode is sent to the brake controller.

d. The user (driver) brakes the tractor by pressing a brake or emergency brake button on the remote control. After the remote controller sends a braking (emergency braking) instruction to the controller, the controller sends an instruction signal to the body 1 to brake (emergency braking) the tractor.

After the body 1 receives a braking (emergency braking) command sent by the controller, the body 1 starts to work, and pulls the connecting rope 2 to force the tractor to brake.

After the tractor brakes, the tractor cannot be restored automatically, and after the 'brake release' function is manually clicked on the automatic driving APP or the 'brake release' button is pressed on the remote controller, the remote controller sends out an instruction, so that the controller sends out a brake release signal to the body 1, and the brake is restored and reset.

3. Main body 1 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. The accessible clicks the number of times of icon (brake button on the remote controller) on the APP during use, changes the signal that the controller sent, and then the motor pivoted angle in the control body 1 realizes the brake function of different degrees.

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

After clicking an emergency brake icon on the APP or pressing an emergency brake button on the remote controller, the body directly pulls the tractor brake pull rod to the limit position, so that the tractor is braked emergently.

From the body under brake or emergency braking state, can not automatic reduction, need the manual "brake pine" icon of clicking on APP (pressing "brake pine" button on the remote controller), make tractor braking system restore.

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 automatic brake 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 brake pull rod of a tractor; 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.

2. The automatic brake device of a tractor according to claim 1, characterized in that: 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.

3. The automatic brake device of a tractor according to claim 2, characterized in that: 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).

4. The automatic brake device of a tractor according to claim 2, characterized in that: 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).

5. The automatic brake device of a tractor according to claim 4, 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).

6. The automatic brake device of a tractor according to claim 4, 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).

7. The automatic brake device of a tractor according to claim 1, characterized in that: and a fixing plate (15) is arranged on one side of the shell (3) close to the connecting rope (2).