Agricultural machine steering wheel deflection angle detection device

Abstract

The utility model relates to the technical field of deflection angle detection devices, in particular to a deflection angle detection device for a steering wheel of an agricultural machine, which plays a role in power-assisted steering for a steering device through an auxiliary device, plays a role in steering through the steering device and plays a role in damping through a damping device. A deflection angle detection effect is achieved through the deflection angle detection device, a fixing effect on the deflection angle detection device is achieved through the fixing device, the device is protected against erosion of environmental factors such as dust and moisture through the protection device, and the service life is prolonged; comprising an experimental device; the test device further comprises an auxiliary device, a steering device, a damping device, a deflection angle detection device and a fixing device, the auxiliary device and the steering device are both installed on the test device, and the damping device, the deflection angle detection device and the fixing device are all installed on the steering device; the device also comprises a protection device which is installed on the experiment device.

Description

Technical Field

[0001] The utility model relates to the technical field of angle detection devices, in particular to a device for detecting the angle of a steering wheel of an agricultural machine. Background Art

[0002] Agricultural machinery steering wheel angle detection devices are crucial for improving the accuracy of automated navigation systems and the quality of field operations. By accurately detecting steering wheel angles, the device enables closed-loop control feedback for the machinery's electronically controlled hydraulic steering, ensuring high accuracy and stability during field operations and extending tire life.

[0003] For example, in a class of prior art represented by application number CN201820242403.0, its main structure includes a rotating mechanism, a transmission mechanism, a fixed structure, an agricultural machinery steering wheel, a steering column, and a load-bearing beam. As the front wheel steering column 4 of the Lovol M904-D wheeled tractor rotates about its axis, it drives the rotating mechanism 1, including the angle sensor 1-2, to perform circular motion. The rotating shaft of the angle sensor 1-2 is fixed by the transmission mechanism 2 and the fixed structure 3, remaining stationary relative to the vehicle body, thereby detecting the relative rotation angle between the steering wheel and the vehicle body. The output end of the angle sensor is connected to the Lovol M904-D wheeled tractor's automatic navigation system, transmitting the measured angle as an electrical signal to the navigation controller, thereby enabling the measurement of the wheel angle in the automatic navigation system.

[0004] During use, it was found that the existing deflection detection device had an impact on the detection device during field operations, resulting in reduced measurement stability and accuracy; and it was eroded by environmental factors such as dust and moisture during testing, reducing its service life. Therefore, there is an urgent need for a steering wheel deflection detection device for agricultural machinery. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an agricultural machinery steering wheel angle detection device which uses an auxiliary device to assist the steering device, uses the steering device to perform steering, uses the shock absorbing device to perform shock absorption, uses the angle detection device to perform angle detection, uses the fixing device to fix the angle detection device, and uses the protective device to protect the device from erosion by environmental factors such as dust and moisture, thereby extending the service life.

[0006] The utility model discloses a device for detecting the deflection angle of a steering wheel of an agricultural machinery, comprising an experimental device; an auxiliary device, a steering device, a shock absorbing device, a deflection angle detecting device and a fixing device, wherein the auxiliary device and the steering device are all installed on the experimental device, and the shock absorbing device, the deflection angle detecting device and the fixing device are all installed on the steering device; the auxiliary device plays a role of steering assistance, the steering device plays a role of steering, the shock absorbing device plays a role of shock absorption, the deflection angle detecting device plays a role of deflection angle detection, and the fixing device plays a role of fixation; the utility model also includes a protective device, which is installed on the experimental device; the protective device plays a protective role; the auxiliary device plays a role of steering assistance for the steering device, the steering device plays a role of steering, the shock absorbing device plays a role of shock absorption, the deflection angle detecting device plays a role of deflection angle detection, the fixing device plays a role of fixation for the deflection angle detecting device, and the protective device protects the device from erosion by environmental factors such as dust and moisture, thereby extending its service life.

[0007] Preferably, the experimental device includes an agricultural machinery steering wheel and a steering block, and the steering block is rotatably mounted on the side end of the agricultural machinery steering wheel; the steering block plays a supporting role.

[0008] Preferably, the auxiliary device includes mounting block one, mounting block two, a fisheye joint and a mounting shaft, mounting block one and mounting block two are both mounted on the steering block, the fisheye joint is mounted on mounting block one and mounting block two through a rotating shaft, and the mounting shaft is mounted on the fisheye joint; the mounting block one and mounting block two play a supporting role, and the fisheye joint and mounting shaft play an auxiliary rotation role.

[0009] Preferably, the steering device includes a rotating shaft, a steering sleeve and a steering shaft, the rotating shaft is installed on the steering block, the steering sleeve is sleeved on the rotating shaft, and the steering shaft is installed on the steering sleeve; the rotating shaft plays a supporting role, and the steering sleeve and the steering shaft facilitate steering.

[0010] Preferably, the shock absorbing device includes a spring, which is mounted on the top end of the steering block and sleeved on the rotating shaft; the spring has a shock absorbing effect on the steering sleeve.

[0011] Preferably, the angle detection device includes a U-shaped block, an angle sensor and a sleeve. The U-shaped block is installed on the top of the steering sleeve through a hexagonal screw, the angle sensor is installed on the top of the U-shaped block, the sleeve is installed on the output end of the angle sensor, the screw is installed on the sleeve, and the slider is installed on the screw. The U-shaped block plays a supporting role, the hexagonal screw is used to conveniently fix the U-shaped block on the steering sleeve, the angle sensor, the sleeve and the screw cooperate to play the role of angle detection, and the slider plays a sliding role.

[0012] Preferably, the fixing device includes an upper mounting plate, a lower mounting plate and a fixed plate. The upper mounting plate and the lower mounting plate are fixedly mounted on the mounting shaft by screws and nuts. The fixed plate is mounted on the top of the upper mounting plate, and the slider is slidably mounted on the fixed plate. The upper mounting plate and the lower mounting plate play a fixing role, and the fixed plate facilitates the installation of the slider.

[0013] Preferably, the protection device includes a protective cover, which is mounted on the steering block via a bracket; the protection device is protected from erosion by environmental factors such as dust and moisture via the protective cover.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the auxiliary device provides steering assistance to the steering device, the steering device provides steering, the shock absorbing device provides shock absorption, the angle detection device provides angle detection, the fixing device provides fixing of the angle detection device, and the protective device protects the device from erosion by environmental factors such as dust and moisture, thereby extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural axonometric drawing of the utility model;

[0016] Figure 2 It is a structural axonometric drawing of the utility model;

[0017] Figure 3 It is a structural diagram of the utility model;

[0018] Figure 4 It is a structural side view of the utility model;

[0019] Figure 5 yes Figure 2 A schematic diagram of a partially enlarged structure of the mid-angle detection device and the fixing device;

[0020] Figure 6 yes Figure 3 A schematic diagram of a partially enlarged structure of the mid-angle detection device;

[0021] Figure 7 yes Figure 3 Schematic diagram of the partially enlarged structure of the steering device and the fixing device.

[0022] Markings in the attached figure: 01, experimental device; 11, agricultural machinery steering wheel; 12, steering block; 02, auxiliary device; 21, mounting block one; 22, mounting block two; 23, rotating shaft; 24, fisheye joint; 25, mounting shaft; 03, steering device; 31, rotating shaft; 32, steering sleeve; 33, steering shaft; 04, shock absorber; 41, spring; 05, angle detection device; 51, U-shaped block; 52, hexagonal screw; 53, angle sensor; 54, bushing; 55, screw; 56, slider; 06, fixing device; 61, upper mounting plate; 62, lower mounting plate; 63, screw; 64, nut; 65, fixing plate; 07, protective device; 71, bracket; 72, protective cover. DETAILED DESCRIPTION

[0023] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0024] Example 1

[0025] A device for detecting the deflection angle of a steering wheel of an agricultural machinery includes an experimental device 01; the device further includes an auxiliary device 02, a steering device 03, a shock absorbing device 04, a deflection angle detecting device 05, and a fixing device 06, wherein the auxiliary device 02 and the steering device 03 are all mounted on the experimental device 01, and the shock absorbing device 04, the deflection angle detecting device 05, and the fixing device 06 are all mounted on the steering device 03; and the device further includes a protective device 07, which is mounted on the experimental device 01.

[0026] The auxiliary device 02 plays a role of steering assist, the steering device 03 plays a role of steering, the shock absorbing device 04 plays a role of shock absorption, the deflection angle detection device 05 plays a role of deflection angle detection, the fixing device 06 plays a role of fixing, and the protection device 07 plays a role of protection;

[0027] The experimental device 01 includes an agricultural machinery steering wheel 11 and a steering block 12, wherein the steering block 12 is rotatably mounted on the side end of the agricultural machinery steering wheel 11;

[0028] The auxiliary device 02 includes a mounting block 1 21, a mounting block 22, a fisheye joint 24, and a mounting shaft 25. The mounting block 1 21 and the mounting block 22 are both mounted on the steering block 12. The fisheye joint 24 is mounted on the mounting block 1 21 and the mounting block 22 via a rotating shaft 23. The mounting shaft 25 is mounted on the fisheye joint 24.

[0029] The steering device 03 includes a rotating shaft 31, a steering sleeve 32 and a steering shaft 33. The rotating shaft 31 is mounted on the steering block 12, the steering sleeve 32 is sleeved on the rotating shaft 31, and the steering shaft 33 is mounted on the steering sleeve 32.

[0030] The angle detection device 05 includes a U-shaped block 51, an angle sensor 53 and a sleeve 54. The U-shaped block 51 is mounted on the top of the steering sleeve 32 through a hexagonal screw 52. The angle sensor 53 is mounted on the top of the U-shaped block 51. The sleeve 54 is mounted on the output end of the angle sensor 53. The screw 55 is mounted on the sleeve 54. The slider 56 is sleeved on the screw 55.

[0031] The fixing device 06 includes an upper mounting plate 61, a lower mounting plate 62 and a fixing plate 65. The upper mounting plate 61 and the lower mounting plate 62 are fixedly mounted on the mounting shaft 25 by screws 63 and nuts 64. The fixing plate 65 is mounted on the top of the upper mounting plate 61. The slider 56 is slidably mounted on the fixing plate 65.

[0032] The protection device 07 includes a protective cover 72, which is mounted on the steering block 12 through a bracket 71;

[0033] The auxiliary device 02 plays a role of steering assist, the steering device 03 plays a role of steering, the angle detection device 05 plays a role of angle detection, the fixing device 06 plays a role of fixing, and the protection device 07 plays a role of protection;

[0034] During the detection process, the protective cover 72 plays a protective role. First, it drives the slider 56 to slide on the fixed plate 65, and then rotates through the fisheye joint 24 and the mounting shaft 25, driving the steering sleeve 32 and the steering shaft 33 to rotate, and then drives the sleeve 54 and the screw 55 to rotate, and the angle sensor 53 is used to measure the deflection angle.

[0035] Example 2

[0036] like Figures 1 to 7 As shown, based on embodiment 1, a shock absorbing device 04 is further included;

[0037] The shock absorbing device 04 includes a spring 41, which is mounted on the top of the steering block 12 and is sleeved on the rotating shaft 31;

[0038] The shock absorbing device 04 plays a role in shock absorption;

[0039] The spring 41 acts as a shock absorber on the steering sleeve 32 .

[0040] The utility model provides a device for detecting the deflection angle of the steering wheel of an agricultural machinery. During operation, during the detection process, the protective cover 72 plays a protective role, and the spring 41 plays a shock-absorbing role. First, the slider 56 is driven to slide on the fixed plate 65, and then the fisheye joint 24 and the mounting shaft 25 are rotated to drive the steering sleeve 32 and the steering shaft 33 to rotate, and then the shaft sleeve 54 and the screw 55 are driven to rotate, and the deflection angle can be measured by the angle sensor 53.

[0041] The spring 41 and the angle sensor 53 of the present invention are purchased on the market, and technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for technicians in this field to make creative efforts.

[0042] The main functions achieved by the utility model are: achieving a shock-absorbing effect on the device and protecting it from erosion by environmental factors such as dust and moisture.

[0043] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A device for detecting steering wheel angle of agricultural machinery, comprising an experimental device (01); characterized in that: The experimental device also includes an auxiliary device (02), a steering device (03), a shock absorbing device (04), a deflection detection device (05) and a fixing device (06), wherein the auxiliary device (02) and the steering device (03) are both mounted on the experimental device (01), and the shock absorbing device (04), the deflection detection device (05) and the fixing device (06) are both mounted on the steering device (03); and further includes a protective device (07), which is mounted on the experimental device (01); The auxiliary device (02) plays a role of steering assistance, the steering device (03) plays a role of steering, the shock absorbing device (04) plays a role of shock absorption, the deflection angle detection device (05) plays a role of deflection angle detection, the fixing device (06) plays a role of fixing, and the protection device (07) plays a role of protection.

2. The agricultural machinery steering wheel angle detection device according to claim 1, characterized in that: The experimental device (01) comprises an agricultural machinery steering wheel (11) and a steering block (12), wherein the steering block (12) is rotatably mounted on a side end of the agricultural machinery steering wheel (11).

3. The agricultural machinery steering wheel angle detection device according to claim 2, characterized in that: The auxiliary device (02) comprises a mounting block 1 (21), a mounting block 2 (22), a fisheye joint (24) and a mounting shaft (25), wherein the mounting block 1 (21) and the mounting block 2 (22) are both mounted on the steering block (12), the fisheye joint (24) is mounted on the mounting block 1 (21) and the mounting block 2 (22) via a rotating shaft (23), and the mounting shaft (25) is mounted on the fisheye joint (24).

4. The agricultural machinery steering wheel angle detection device according to claim 2, characterized in that: The steering device (03) comprises a rotating shaft (31), a steering sleeve (32) and a steering shaft (33); the rotating shaft (31) is mounted on the steering block (12); the steering sleeve (32) is sleeved on the rotating shaft (31); and the steering shaft (33) is mounted on the steering sleeve (32).

5. The agricultural machinery steering wheel angle detection device according to claim 4, characterized in that: The shock absorbing device (04) comprises a spring (41), which is mounted on the top end of the steering block (12) and is sleeved on the rotating shaft (31).

6. The agricultural machinery steering wheel angle detection device according to claim 4, characterized in that: The deflection angle detection device (05) comprises a U-shaped block (51), an angle sensor (53) and a shaft sleeve (54), wherein the U-shaped block (51) is mounted on the top of the steering sleeve (32) through a hexagonal screw (52), the angle sensor (53) is mounted on the top of the U-shaped block (51), the shaft sleeve (54) is mounted on the output end of the angle sensor (53), the screw (55) is mounted on the shaft sleeve (54), and the slider (56) is sleeved on the screw (55).

7. The agricultural machinery steering wheel angle detection device according to claim 6, characterized in that: The fixing device (06) includes an upper mounting plate (61), a lower mounting plate (62) and a fixing plate (65). The upper mounting plate (61) and the lower mounting plate (62) are fixedly mounted on the mounting shaft (25) by screws (63) and nuts (64). The fixing plate (65) is mounted on the top end of the upper mounting plate (61). The slider (56) is slidably mounted on the fixing plate (65).

8. The agricultural machinery steering wheel angle detection device according to claim 2, characterized in that: The protection device (07) comprises a protection sleeve (72), and the protection sleeve (72) is mounted on the steering block (12) via a bracket (71).

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