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CN-224216304-U - Mountain agricultural machinery chassis posture adjustment device and inclination simulation test platform

CN224216304UCN 224216304 UCN224216304 UCN 224216304UCN-224216304-U

Abstract

The utility model discloses a mountain agricultural machinery chassis posture adjusting device and an inclination angle simulation test platform, wherein the adjusting device comprises a vehicle body supporting platform, posture adjusting support legs and a bearing bracket, wherein two ends of the vehicle body supporting platform are respectively hinged with the bearing bracket through hinged connecting pieces, one ends of the vehicle body supporting platform are connected with the hinged connecting pieces through sliding connecting pieces, a connecting beam of the bearing bracket is connected with two hinged connecting pieces which are arranged at intervals, the bottom ends of swing support columns of the bearing bracket are hinged with a bearing vertical sliding block through a bearing rotating shaft, and the bearing vertical sliding block is in sliding fit with a bearing sliding groove. The test platform comprises a slope angle simulation device and a vehicle body posture adjustment device, wherein a first slope angle simulation module and a second slope angle simulation module of the slope angle simulation device are arranged up and down, and the arrangement direction is vertical. The adjusting device can realize the posture adjustment of the vehicle on the condition of complex sloping fields. The test platform provides a research platform for stable operation of the agricultural machinery under complex terrain so as to carry out theoretical verification.

Inventors

  • SUN JINGBIN
  • ZHANG HAIXIN
  • ZENG LINGKUN
  • MENG XIANZHE
  • LV MINGZHE
  • GUO ZENGZHI

Assignees

  • 聊城大学

Dates

Publication Date
20260508
Application Date
20250603

Claims (6)

  1. 1. The utility model provides a mountain land agricultural machinery chassis gesture adjusting device, includes automobile body supporting platform (11), gesture adjustment stabilizer blade, bearing support (15), its characterized in that: The two ends of the vehicle body supporting platform (11) are respectively hinged with the bearing brackets (15) through hinged connecting pieces (19), one end of the vehicle body supporting platform (11) is connected with the hinged connecting pieces (19) through sliding connecting parts, and the sliding connecting parts enable the vehicle body supporting platform (11) to slide relative to the bearing brackets (15) under stress; The bearing support (15) is arranged in a T shape, a connecting beam (1501) at the top end of the bearing support is connected with two hinge connecting pieces (19) which are arranged at intervals, a swinging support column (1502) is arranged at the center of the bearing support (15), the bottom end of the swinging support column (1502) is hinged with a bearing vertical sliding block (17) through a bearing rotating shaft (18), the bearing support (15) is forced to swing around the bearing rotating shaft (18) to adjust the heights of two sides of a vehicle body support platform (11) so as to adjust the roll angle of the vehicle body, the bearing vertical sliding block (17) is arranged in a bearing sliding groove (16), the bearing vertical sliding block (17) is in sliding fit with the bearing sliding groove (16), the bearing support (15) is forced to slide along the bearing sliding groove (16) to adjust the heights of two ends of the vehicle body support platform (11) so as to adjust the roll angle of the vehicle head and the vehicle tail, and the top end of the bearing sliding groove (16) is provided with a swinging gap to accommodate the swing of the bearing support (15); The four gesture adjusting support legs are arranged and have the same structure, one gesture adjusting support leg is symmetrically arranged on two sides of each bearing support (15), each gesture adjusting support leg is provided with an upper gesture adjusting connecting rod (12), a lower gesture adjusting connecting rod (13) and an electric push rod (14), the whole of the upper gesture adjusting connecting rod (12), the whole of the lower gesture adjusting connecting rod (13) and the whole of the electric push rod (14) are arranged in a Y shape, the top end of the upper gesture adjusting connecting rod (12) is hinged with a connecting beam (1501), the bottom end of the upper gesture adjusting connecting rod (12) is respectively hinged with the top end of the lower gesture adjusting connecting rod (13) and the top end of the push rod of the electric push rod (14) through the same hinge shaft, and the bottom end of the lower gesture adjusting connecting rod (13) and the bottom end of the electric push rod (14) are connected with a supporting part.
  2. 2. The mountain agricultural machinery chassis posture adjustment device of claim 1, wherein two opposite sides of the top end of the bearing chute (16) are provided with swinging notches (1601).
  3. 3. The mountain agricultural machinery chassis posture adjustment device of claim 1, wherein the sliding connection part is a sliding groove (20) in sliding fit, the bottom surface of the vehicle body supporting platform (11) is provided with the sliding groove (20) arranged along the length direction, and a sliding block is arranged in the sliding groove (20) and fixedly connected with the hinged connection piece (19).
  4. 4. An inclination angle simulation test platform with the mountain agricultural machinery chassis posture adjustment device according to any one of claims 1-3 comprises a slope angle simulation device, wherein the slope angle simulation device is provided with a vehicle body posture adjustment device, and is characterized in that the slope angle simulation device is provided with a first slope angle simulation module (25) and a second slope angle simulation module (26), the first slope angle simulation module (25) and the second slope angle simulation module (26) are arranged up and down and are vertical in arrangement direction, and the first slope angle simulation module (25) and the second slope angle simulation module (26) comprise an upper platform (1), a guide rail fixing plate (2), an arc gear (3), a gear fixing plate (4), a stepping motor (5), a driving gear (7), a platform supporting side plate (8), an arc guide rail (9) and a guide rail wheel (10); The two ends of the bottom of the upper platform (1) are provided with platform supporting side plates (8), the platform supporting side plates (8) are in fan-shaped arrangement, the top surface of each platform supporting side plate (8) is connected with the upper platform (1), the arc edges of each platform supporting side plate (8) are connected with a guide rail fixing plate (2) through an arc guide rail (9) and guide rail wheels (10), and the guide rail fixing plates (2) are connected and arranged on a module bracket; The middle part of the bottom of the upper platform (1) is provided with a gear fixing plate (4), the gear fixing plate (4) is in a fan-shaped arrangement, the top surface of the gear fixing plate (4) is connected with the upper platform (1), the arc edge of the gear fixing plate (4) is provided with an arc gear (3), the arc gear (3) is driven by a stepping motor (5), and the arc gear (3) rotates to enable the gear fixing plate (4) to drive the upper platform (1) to rotate; The first slope angle simulation module (25) is connected and arranged on the upper platform (1) of the second slope angle simulation module (26) through a module bracket, and the upper platform (1) of the second slope angle simulation module (26) is connected and provided with a vehicle body posture adjusting device.
  5. 5. The inclination angle simulation test platform of the mountain agricultural machinery chassis posture adjustment device, which is disclosed in claim 4, is characterized in that the stepping motor (5) is connected and arranged on the motor fixing plate (6).
  6. 6. The tilt angle simulation test platform of the mountain agricultural machinery chassis posture adjustment device of claim 4, wherein rolling wheels are arranged at four corners of the bottom end of the module support of the second slope angle simulation module (26).

Description

Mountain agricultural machinery chassis posture adjustment device and inclination simulation test platform Technical Field The utility model relates to the field of agricultural machinery, in particular to a mountain agricultural machinery chassis posture adjusting device and an inclination angle simulation test platform. Background In the vast territory of China, the hilly and mountain land topography occupies a considerable proportion, and the complex and changeable landform features of the hilly and mountain land topography provide serious challenges for agricultural mechanized operation. When traditional agricultural machinery equipment works in hilly and mountainous areas, the problems of low efficiency, poor riding comfort, potential safety hazard and the like are often faced, and the modernization process of agricultural production is severely restricted. In the aspect of the inclination angle simulation device, the prior art focuses on simulating the gradient change in a single direction, and the prior art is not attractive for the situation of a compound sloping field with front-back inclination and left-right inclination. The limitation causes difficulty in comprehensively and truly simulating various complex terrains possibly encountered by the agricultural machinery in actual operation in the stage of agricultural machinery research and development and testing, and further influences the precision and reliability of agricultural machinery design. Therefore, the inclination angle simulation device capable of accurately simulating the condition of the composite sloping field is developed, and has important significance for improving the research and development efficiency of the agricultural machinery and guaranteeing the stable operation of the agricultural machinery under complex terrains. In the field of vehicle body posture adjustment devices, in order to realize stable operation of an agricultural machine under complex terrain, the omni-directional adjustment capability of the vehicle body posture becomes a key. For example, jiang, sun Zeyu and Wang Rechen, the design and performance test of omnidirectional leveling system of crawler-type working machine in hilly and mountain areas [ J ]. Agricultural engineering school, 2023,39 (18): 64-73, adopts a double-layer structure to achieve the object, and the double-layer structure not only increases the complexity and manufacturing cost of the system, but also has the advantages of simple structure, low cost, easy installation and maintenance and the like. Disclosure of utility model The utility model provides the attitude adjustment device of the mountain agricultural machinery chassis and the inclination angle simulation test platform for overcoming the problems, and the attitude adjustment device of the mountain agricultural machinery chassis can realize the attitude adjustment of a vehicle under the condition of complex sloping fields. The utility model further provides a posture adjustment test platform, which realizes the organic combination of the inclination angle simulation device and the vehicle body posture adjustment device, and provides a research platform for the stable operation of the agricultural machinery under complex terrain for theoretical verification. The technical scheme of the utility model is as follows: A mountain agricultural machinery chassis posture adjustment device comprises a vehicle body supporting platform, posture adjustment support legs and a bearing bracket. The two ends of the vehicle body supporting platform are respectively connected with the bearing support in a hinged mode through hinged connecting pieces, one end of the vehicle body supporting platform is connected with the hinged connecting pieces through sliding connecting parts, and the sliding connecting parts enable the vehicle body supporting platform to slide relative to the bearing support under stress. The bearing support is arranged in a T shape, a connecting beam at the top end of the bearing support is connected with two hinge connecting pieces arranged at intervals, a swinging support column is arranged at the center of the bearing support, the bottom end of the swinging support column is hinged with a bearing vertical sliding block through a bearing rotating shaft, the bearing support is stressed to swing around the bearing rotating shaft, the heights of two sides of a vehicle body supporting platform are adjusted so as to adjust the side inclination angle of the vehicle body, the bearing vertical sliding block is arranged in a bearing sliding groove, the bearing vertical sliding block is in sliding fit with the bearing sliding groove, the bearing support is stressed, the bearing vertical sliding block slides along the bearing sliding groove, the heights of two ends of the vehicle body supporting platform are adjusted so as to adjust the inclination angles of a vehicle head and a vehicle tail, and a swinging gap is arranged at the top end o