All-terrain attitude-adjusting profiling mobile chassis

Abstract

The utility model discloses an all-terrain attitude-adjusting profiling mobile chassis, and relates to the technical field of harvesting agricultural machinery. The chassis comprises a chassis body, a front driving axle mechanism and a rear driving axle mechanism, walking wheels are four triangular crawler wheels, the contact area is large, the grounding specific pressure is small, the anti-sinking capacity is high, the left front triangular crawler wheel and the left rear triangular crawler wheel are synchronous, and the right front triangular crawler wheel and the right rear triangular crawler wheel are synchronous. Differential turning or turning with opposite directions of crawler wheels on two sides and in-situ turning can be realized during turning, and the turning radius is small, so that the equipment can steer in a narrow space, and the turning is flexible.

Description

Technical Field

[0001] The utility model relates to the technical field of harvesting agricultural machinery, in particular to an all-terrain posture-adjusting and contour-profiling mobile chassis. Background Art

[0002] In hilly and mountainous areas, the terrain is mainly terraces and gentle slopes. The plots are small and scattered, and the fragmentation of cultivated land is not suitable for mechanized operations. In addition, the construction of mechanized farming roads is lagging behind, the field roads are bumpy, narrow and winding, and the height difference of plots is large, resulting in restrictions on agricultural machinery operations, transfers, and transportation. The mobile chassis of the harvesting machinery equipment currently in use are all wheeled, front-track and rear-wheel or double-track arrangements, which cannot adapt to harvesting operations in hilly and mountainous areas. Utility Model Content

[0003] In view of the above technical problems, the utility model provides an all-terrain posture-adjustable and contour-profiling mobile chassis, which is used to solve the problem that existing harvesting machinery and equipment cannot work in complex terrain.

[0004] In order to achieve the above purpose, the technical solution of the utility model is as follows:

[0005] An all-terrain posture-adjusting and contour-profiling mobile chassis comprises a chassis body, a front drive axle mechanism and a rear drive axle mechanism.

[0006] The front drive axle mechanism and the rear drive axle mechanism are rotatably mounted on the crossbeams at the front and rear ends of the chassis body via the posture adjustment shaft;

[0007] The front drive axle mechanism is provided with drive motors on both sides, and the two drive motors are connected to the left front triangular track wheel and the right front triangular track wheel respectively;

[0008] The rear drive axle mechanism is provided with drive motors on both sides, and the two drive motors are connected to the left rear triangular track wheel and the right rear triangular track wheel respectively;

[0009] The four driving motors are connected to a travel pump through hydraulic oil pipes, the travel pump is connected to a transfer case, and the transfer case is connected to an engine.

[0010] A triangular track attitude adjustment limit plate is installed between the left front triangular track wheel, the right front triangular track wheel, the left rear triangular track wheel, the right rear triangular track wheel and the driving motor. The triangular track attitude adjustment limit plate is a fan-shaped plate with an arc guide groove. Guide rods are provided on the inner sides of the left front triangular track wheel, the right front triangular track wheel, the left rear triangular track wheel and the right rear triangular track wheel. The guide rods are slidably arranged in the guide grooves of the limit plates.

[0011] The attitude adjustment shaft passes through the crossbeam of the chassis body and is hinged with an attitude adjustment cylinder through the swing arm thereon. The attitude adjustment cylinder is installed on the chassis body. The front drive axle mechanism and the rear drive axle mechanism can rotate 0-30° compared to the ground under the action of the attitude adjustment cylinder.

[0012] The track wheel surfaces of the left front triangular track wheel, the left rear triangular track wheel, the right front triangular track wheel and the right rear triangular track wheel can rotate 0-30° compared to the ground under the limitation of the triangular track attitude adjustment limit plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. Miniaturization: The vehicle is small in size, suitable for narrow mechanized farming roads in hilly and mountainous areas, and has strong passing ability.

[0015] 2. Chassis posture adjustment function: In hilly and mountainous areas with sloping fields, the chassis angle can be adjusted at any time according to the inclination of the fuselage when traveling, so that the engine remains at a certain angle to ensure normal engine fuel supply. On the other hand, the inclination of the fuselage can be adjusted to shift the center of gravity of the entire machine and improve the anti-rollover capability.

[0016] 3. Anti-sinking ability: The running wheels of the utility model are four triangular track wheels, which have a large contact area, a small ground contact pressure, and a strong anti-sinking ability.

[0017] 4. Small turning radius: The left front triangular track wheel and the left rear triangular track wheel of the utility model are synchronized, and the right front triangular track wheel and the right rear triangular track wheel are synchronized. When turning, differential turning or turning in opposite directions of the track wheels on both sides and turning on the spot can be achieved. The turning radius is small, so that the equipment can turn in a narrow space and turn flexibly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is the exploded structure diagram of the utility model;

[0020] Figure 3 This is a first use state diagram of the utility model;

[0021] Figure 4 This is a second usage state diagram of the utility model.

[0022] Description of reference numerals:

[0023] 1-right front triangular track wheel; 2-triangular track attitude adjustment limit plate; 3-driving motor; 4-front drive axle mechanism; 5-attitude adjustment shaft; 6-attitude adjustment cylinder; 7-right rear triangular track wheel; 8-rear drive axle mechanism; 9-left front triangular track wheel; 10-chassis body; 11-left rear triangular track wheel; 12-guide rod; 13-guide groove. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0025] An all-terrain posture-adjusting and contour-profiling mobile chassis comprises a chassis body 10, a front drive axle mechanism 4 and a rear drive axle mechanism 8, wherein the front drive axle mechanism 4 and the rear drive axle mechanism 8 are rotatably mounted on the crossbeams at the front and rear ends of the chassis body 10 through a posture-adjusting shaft 5; drive motors 3 are respectively mounted on both sides of the front drive axle mechanism 4, and the two drive motors 3 are respectively connected to the left front triangular track wheel 9 and the right front triangular track wheel 1; drive motors 3 are respectively mounted on both sides of the rear drive axle mechanism 8, and the two drive motors 3 are respectively connected to the left rear triangular track wheel 11 and the right rear triangular track wheel 7; the four drive motors 3 are connected to the front and rear triangular track wheels 11 and 11 respectively ... The travel pump is connected to the transfer case through a hydraulic oil pipe, the travel pump is connected to the transfer case, and the transfer case is connected to the engine; the left front triangular track wheel 9 and the left rear triangular track wheel 11 are synchronized, and the right front triangular track wheel 1 and the right rear triangular track wheel 7 are synchronized. The travel wheels of the utility model are four triangular track wheels, which have a large contact area, a small ground contact pressure, and a strong anti-sinking ability. The left front triangular track wheel 9 and the left rear triangular track wheel 11 are synchronized, and the right front triangular track wheel 1 and the right rear triangular track wheel 7 are synchronized. When turning, differential turning or turning in opposite directions of the track wheels on both sides and turning around on the spot can be achieved, and the turning radius is small, so that the equipment can be turned in a narrow space and the turning is flexible.

[0026] A triangular track attitude adjustment limit plate 2 is installed between the left front triangular track wheel 9, the right front triangular track wheel 1, the left rear triangular track wheel 11, the right rear triangular track wheel 7 and the driving motor 3. The triangular track attitude adjustment limit plate 2 is a fan-shaped plate with an arc guide groove 13. A guide rod 12 is provided on the inner side of the left front triangular track wheel 9, the right front triangular track wheel 1, the left rear triangular track wheel 11, and the right rear triangular track wheel 7. The guide rod 12 is slidably set in the guide groove 13 of the limit plate. The swing amplitude of the triangular track is limited, so that the triangular track attitude adjustment limit plate 2 swings within a certain range to simulate terrain operations.

[0027] The attitude adjustment shaft 5 passes through the crossbeam of the chassis body 10 and is hinged with an attitude adjustment cylinder 6 through the swing arm thereon. The attitude adjustment cylinder 6 is installed on the chassis body 10. The front drive axle mechanism 4 and the rear drive axle mechanism 8 can rotate 0-30° compared to the ground under the action of the attitude adjustment cylinder 6. In hilly and mountainous fields with slopes, the chassis angle can be adjusted at any time during driving according to the inclination state of the fuselage to keep the engine within a certain angle and ensure normal engine fuel supply. On the other hand, the inclination state of the fuselage can be adjusted to shift the center of gravity of the entire machine and improve the anti-rollover capability.

[0028] The track wheel surfaces of the left front triangular track wheel 9, the left rear triangular track wheel 11, the right front triangular track wheel 1 and the right rear triangular track wheel 7 can rotate 0-30° compared to the ground under the limitation of the triangular track posture adjustment limiting plate 2.

[0029] When the utility model is working, the whole machine is used as a four-wheel drive full hydraulic all-terrain posture adjustment and profiling mobile chassis, which is connected to the travel pump through the hydraulic oil pipe, the travel pump is connected to the transfer case, and the transfer case is connected to the engine to form a double closed hydraulic drive system, which can realize the single-side track line speed difference steering, that is, the full hydraulic drive can realize the outer diameter steering, inner diameter steering, unilateral steering and in-situ steering; when walking and profiling, Figure 3 and Figure 4 As shown, the proportional control system is combined with an angle sensor, and the lateral posture is adjusted in time as the walking slope changes, and the longitudinal track wheels passively imitate the terrain.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An all-terrain posture-adjusting and contour-profiling mobile chassis, characterized in that: It comprises a chassis body (10), a front drive axle mechanism (4) and a rear drive axle mechanism (8), The front drive axle mechanism (4) and the rear drive axle mechanism (8) are rotatably mounted on the crossbeams at the front and rear ends of the chassis body (10) via the posture adjustment shaft (5); Drive motors (3) are respectively installed on both sides of the front drive axle mechanism (4), and the two drive motors (3) are respectively connected to a left front triangular track wheel (9) and a right front triangular track wheel (1); Drive motors (3) are respectively installed on both sides of the rear drive axle mechanism (8), and the two drive motors (3) are respectively connected to a left rear triangular track wheel (11) and a right rear triangular track wheel (7); The four drive motors (3) are connected to a travel pump via hydraulic oil pipes, the travel pump is connected to a transfer case, and the transfer case is connected to an engine.

2. The all-terrain posture-adjusting and contour-profiling mobile chassis according to claim 1, characterized in that: A triangular track attitude adjustment limit plate (2) is installed between the left front triangular track wheel (9), the right front triangular track wheel (1), the left rear triangular track wheel (11), the right rear triangular track wheel (7) and the driving motor (3); the triangular track attitude adjustment limit plate (2) is a fan-shaped plate with an arc guide groove (13); guide rods (12) are provided on the inner sides of the left front triangular track wheel (9), the right front triangular track wheel (1), the left rear triangular track wheel (11), and the right rear triangular track wheel (7); the guide rods (12) are slidably arranged in the guide grooves (13) of the limit plate.

3. The all-terrain posture-adjusting and contour-profiling mobile chassis according to claim 1, characterized in that: The attitude adjustment shaft (5) passes through the crossbeam of the chassis body (10) and is hingedly connected to an attitude adjustment cylinder (6) through a swing arm thereon. The attitude adjustment cylinder (6) is mounted on the chassis body (10). Under the action of the attitude adjustment cylinder (6), the front drive axle mechanism (4) and the rear drive axle mechanism (8) can rotate 0-30 degrees relative to the ground.

4. The all-terrain posture-adjusting and contour-profiling mobile chassis according to claim 2 is characterized in that: The track wheel surfaces of the left front triangular track wheel (9), the left rear triangular track wheel (11), the right front triangular track wheel (1) and the right rear triangular track wheel (7) are capable of rotating 0-30 degrees relative to the ground under the limitation of the triangular track posture adjustment limiting plate (2).

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