CN209776536U - Gear type tractor navigation executing mechanism - Google Patents

Abstract

The utility model relates to a gear formula tractor navigation actuating mechanism comprises fixed bolster, bottom plate, turbine motor, transmission shaft, bearing frame, motor support, step motor, driving gear, gear base, driven gear, limit switch, limiting plate and steering wheel support. The fixed bolster suit is on the steering wheel seat pole, and the fixed bolster installation bottom plate, the turbine motor of bottom plate below installation, and transmission shaft, bearing frame, motor support are installed in proper order to the top, and the step motor that motor support installation has the driving gear, and the limiting plate that has limit switch is installed to motor support one end, and gear base cartridge is on the steering wheel transmission shaft, and driving gear, steering wheel support are installed to the upper end. In the action engineering, the stepping motor drives a steering wheel transmission shaft through gear transmission to realize the steering of the front wheel, and the turbine motor drives a motor bracket to automatically switch the working state. The beneficial effects of the utility model reside in that: the mechanism can be widely applied, automatically realizes the switching of working states and is convenient to disassemble and replace.

Description

Gear type tractor navigation executing mechanism

Technical Field

The utility model relates to a tractor automatic navigation control system field, a steering wheel steering drive control mechanism specifically says so.

Background

With the coming of the era of intelligent agricultural equipment, the automatic navigation technology of the tractor is rapidly developed. The executing mechanism mainly comprises a mechanical type and a hydraulic type, and although the hydraulic steering control system has high reliability and accurate precision, the hydraulic steering control system also has the characteristics of complex structure, complex disassembly, large power consumption and the like. Although the mechanical type has the characteristics of simple structure, convenient installation and the like, manual operation is required when the driving mode is switched, and the mechanical type cannot be organically combined with a central control system in time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems, and provides a tractor navigation executing mechanism with high automation, high efficiency and convenient installation; this turn to actuating mechanism can carry out positive and negative rotation control to turbo motor according to the current direction of controller output and realize that gear engagement separates the corresponding action of power execution, and the embedded step motor driver of controller is just installed by step motor control motor, and then realizes that the steering wheel rotates, can improve degree of automation and operating efficiency greatly.

Therefore, the utility model adopts the following technical scheme:

The utility model provides a following technical scheme: a gear type tractor navigation executing mechanism is composed of a fixed support, a bottom plate, a turbine motor, a transmission shaft, a bearing seat, a motor support, a stepping motor, a driving gear, a gear base, a driven gear, a limit switch, a limit plate and a steering wheel support, a fixed bracket is sleeved on a steering wheel seat rod through a locking nut, a bottom plate is arranged at the upper end of the fixed bracket, a turbine motor is arranged below the bottom plate, a transmission shaft is sleeved on an output shaft of the motor and is connected through a pin, is fixed on the bottom plate through a bearing and a bearing seat, a motor bracket is welded above the transmission shaft, a stepping motor with a driving gear is arranged on the motor bracket, a limit plate is arranged at one end of the motor bracket, the two ends of a motor support sliding groove of the limiting plate are respectively provided with a limiting switch, the gear base is inserted on a steering wheel transmission shaft, the upper end of the gear base is sequentially provided with a driving gear and a steering wheel support, and the position of the gear is adjusted by adjusting the position of the fixed support to enable the driving gear and the driven gear to be on the same plane.

further: the position of the driving gear (6) can be adjusted by adjusting the position of the fixed support (1), so that the driving gear (6) and the driven gear (4) are maintained on the same plane.

Further: the motor support (10) is of a flat plate structure parallel to the bottom plate (2), and the limit switch (7) is a lug which is parallel to the bottom plate (2) and extends out of the motor support (10); the limiting plate (8) is fixed on the bottom plate (2) through an L-shaped plate.

in the working process, the stepping motor drives a steering wheel transmission shaft through gear transmission, the front wheel steering is realized through a tractor self-steering driving system, the rotating direction of an output shaft is changed by changing the current direction of the turbine motor, the motor support is driven to move through the transmission shaft, the limit switch is triggered when the motor support moves to a corresponding position, the controller stops the power supply of the turbine motor after receiving a switch signal, the gear meshing and the gear separation are realized, the working state is switched, and the gear meshing state is maintained by means of the self-locking property of the turbine motor.

The above technical scheme of the utility model has following advantage: the mechanism is convenient to detach and install, is suitable for various tractor types, controls the rotation of the stepping motor to perform corresponding steering actions through the controller, can realize automatic meshing and separation of gears, and can improve the automation degree and the operation efficiency.

drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a right side view of FIG. 1;

fig. 3 is an axonometric view of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "fixed" and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings:

As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a tractor navigation executing mechanism with high automation, high efficiency and convenient installation. The steering wheel seat post mainly comprises a fixed support 1, a bottom plate 2, a turbine motor 14, a transmission shaft 12, a bearing 11, a bearing seat 13, a motor support 10, a stepping motor 9, a driving gear 6, a gear base 3, a driven gear 4, a limit switch 7, a limit plate 8 and a steering wheel support 5, wherein the fixed support 1 is sleeved on a steering wheel seat post through a locking nut, the bottom plate 2 is arranged at the upper end of the fixed support 1, the turbine motor 14 is arranged below the bottom plate, the transmission shaft 12 is sleeved on a motor output shaft and is connected with the motor output shaft through a pin, the driven gear 4 connected with the transmission shaft 12 is arranged at the upper end of the motor support 10, the limit plate 8 with the limit switch 7 is arranged at one end of the motor support 10, the gear base 3 is inserted on the steering wheel transmission shaft, the driving gear 6 is sequentially arranged at the upper end, A steering wheel support 5, a stepping motor 9 is connected with the driving gear 6 (not shown); the driving gear (6) and the driven gear (4) are positioned on the same plane.

in the working process, the stepping motor 9 is connected with the driving gear 6 to drive a steering wheel transmission shaft through gear transmission, and the front wheel steering is realized through a tractor self-steering driving system; the rotating direction of the output shaft of the motor can be changed by changing the current direction of the turbine motor 14, when the rotating direction of the output shaft is changed, the transmission shaft 12 drives the motor bracket 10 to move to realize gear engagement and separation, the working state is switched, and the gear engagement state is maintained by means of the self-locking property of the turbine motor 14.

The utility model discloses compare with current tractor navigation actuating mechanism and have following advantage: the mechanism is convenient to detach and install, is suitable for various tractor types, can perform corresponding steering actions according to instructions of an upper computer, can realize automatic meshing and separation of gears, and improves the automation degree and the operation efficiency.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (3)

1. The utility model provides a gear formula tractor navigation actuating mechanism which characterized in that: the gear type tractor navigation executing mechanism consists of a steering wheel, a fixed support (1), a bottom plate (2), a turbine motor (14), a transmission shaft (12), a bearing (11), a bearing seat (13), a motor support (10), a stepping motor (9), a driving gear (6), a gear base (3), a driven gear (4), a limit switch (7), a limit plate (8) and a steering wheel support (5);

Fixed bolster (1) is through lock nut suit on the steering wheel seat pole, and bottom plate (2) are installed in fixed bolster (1) upper end, turbine motor (14) are installed to bottom plate (2) right side lower extreme, and transmission shaft (12) are linked and the cover is on the output shaft of the turbine motor who passes bottom plate (2) through the round pin, just transmission shaft (12) are fixed in the upper right end of bottom plate (2) through bearing (11), bearing frame (13), and welding has motor support (10) directly over transmission shaft (12), and motor support (10) upper end is provided with driven gear (4) that are connected with transmission shaft (12), and limiting plate (8) that have limit switch (7) are installed to the one end of motor support (10), and gear base (3) cartridge is on the steering wheel transmission shaft, and the steering wheel sets up on the steering wheel transmission shaft, gear base (3) upper end installs driving gear (6) in proper order, The steering wheel bracket (5) is connected with the stepping motor (9) and the driving gear (6); the driving gear (6) and the driven gear (4) are positioned on the same plane.

2. A gear type tractor navigation actuator as claimed in claim 1 wherein the position of the drive gear (6) is adjustable by adjusting the position of the fixed bracket (1) to maintain the drive gear (6) and the driven gear (4) in the same plane.

3. A gear type tractor navigation executing mechanism according to claim 1, wherein the motor support (10) is a flat plate structure parallel to the base plate (2), and the limit switch (7) is a convex block parallel to the base plate (2) and extending out of the motor support (10); the limiting plate (8) is fixed on the bottom plate (2) through an L-shaped plate.