Adjustable synchronizer chassis with automatic adjusting function

Abstract

The utility model discloses an adjustable synchronizer chassis with an automatic adjusting function, which belongs to the technical field of agricultural machinery chassis and comprises a bottom plate and two groups of wheel carrier mechanisms, the two groups of wheel carrier mechanisms are respectively mounted at the bottoms of the front end and the rear end of the bottom plate, and each wheel carrier mechanism comprises a fixing column, a supporting column, a wheel shaft, a wheel disc, a screw rod, a driving component, a sliding block and a supporting rod. The fixing columns are fixedly installed at the bottom of the bottom plate, the lower ends of the fixing columns are sleeved with the supporting columns in a sliding mode, the wheel discs are rotatably installed on the outer sides of the supporting columns through wheel shafts, the sides, close to each other, of the two fixing columns on the same side are each rotatably provided with a screw rod, and the driving assembly is installed between the two screw rods. The sliding block is sleeved on the screw rod and is in threaded connection with the screw rod; the supporting rod is hinged between the sliding block and the supporting column; and two groups of wheel carrier mechanisms capable of being independently controlled are arranged at the front and rear ends of the chassis, so that front and rear wheels can be independently adjusted, and the limitation during use is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural machinery chassis, and in particular relates to an adjustable synchronizer chassis with an automatic adjustment function. Background Art

[0002] The agricultural machinery chassis is a standard component of large and medium-sized tractors used in agricultural production. Its purpose is to carry agricultural machinery with different functions and engage in different farmland operations, such as sowing, fertilizing, spraying, tillage, ditching, etc. The agricultural machinery chassis is used to connect large and small tractors with land leveling machinery, tillage plows, cultivators, micro-tillage machines, rice transplanters, seeders, threshers, pumps, combine harvesters, roller blinds, thermal insulation felts and other equipment.

[0003] The existing Chinese patent with the announcement number CN210781995U discloses an agricultural machinery chassis with an intelligent adjustment function, including a chassis frame, the chassis frame is a rectangular frame structure, a first shaft rod and a second shaft rod are passed through the middle of the chassis frame, the two ends of the first shaft rod are respectively connected in series with a first wheel arm and a second wheel arm, the two ends of the second shaft rod are respectively connected in series with a third wheel arm and a fourth wheel arm, the bottom ends of the first wheel arm, the second wheel arm, the third wheel arm and the fourth wheel arm are all movably connected in series with a moving wheel, and the first wheel arm and the third wheel arm are respectively connected in series with a moving wheel. The wheel arms are arranged on the same side, the middle part of the first wheel arm is movably connected to the first nut tube through a pin shaft, the middle part of the third wheel arm is movably connected to the second nut tube through a pin shaft, and a first double-headed reverse screw is threadedly connected between the first nut tube and the second nut tube, the second wheel arm and the fourth wheel arm are arranged on the same side, the middle part of the second wheel arm is movably connected to the third nut tube through a pin shaft, the middle part of the fourth wheel arm is movably connected to the fourth nut tube through a pin shaft, and a second double-headed reverse screw is threadedly connected between the third nut tube and the fourth nut tube.

[0004] With respect to the above-mentioned related technologies, the inventors have found that there are at least the following problems in the technologies: in the above-mentioned technologies, when adjusting the chassis, the front and rear wheels cannot be adjusted independently, and there are limitations in use. Utility Model Content

[0005] The purpose of the utility model is to provide an adjustable synchronizer chassis with an automatic adjustment function to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable synchronizer chassis with automatic adjustment function, comprising a base plate and two groups of wheel frame mechanisms, the two groups of wheel frame mechanisms are respectively installed at the bottom of the front and rear ends of the base plate, the wheel frame mechanism comprises a fixed column, a support column, a wheel axle, a wheel disc, a screw, a driving assembly, a slider and a support rod, the fixed column is fixedly installed at the bottom of the base plate, the support column is slidably sleeved on the lower end of the fixed column, the wheel axle is fixedly installed at the lower end of the support column, and the wheel disc is installed on the outer side of the support column through the rotation of the wheel axle;

[0007] The two fixing columns on the same side are rotatably mounted with screw rods on their adjacent sides, the driving assembly is mounted between the two screw rods, the slider is sleeved on the screw rod and threadedly connected with the screw rod, and the support rod is hinged between the slider and the support column.

[0008] As a preferred embodiment, the driving assembly includes a reduction motor, a main gear and a slave gear, the reduction motor is fixedly mounted on the base plate, the main gear is fixedly mounted on the output shaft of the reduction motor, and the slave gear is fixedly mounted on the end of the screw and meshes with the main gear.

[0009] As a preferred embodiment, a cover shell is fixedly mounted on the bottom surface of the base plate, and the main gear and the slave gear are both arranged in the cover shell.

[0010] As a preferred embodiment, a guide rail parallel to the screw rod is fixedly mounted on the bottom surface of the base plate, and the slider is slidably mounted on the guide rail.

[0011] As a preferred implementation, a limiting groove is provided on the side wall of the fixing column, and a limiting block is provided on the upper end of the supporting column, and the limiting block slides in the limiting groove.

[0012] As a preferred implementation, a reinforcing rib plate is fixedly connected between the upper end of the fixing column and the bottom plate.

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

[0014] The adjustable synchronizer chassis with automatic adjustment function can independently adjust the front and rear wheels by arranging two sets of independently controllable wheel frame mechanisms at the front and rear ends of the chassis, thereby reducing limitations during use;

[0015] The adjustable synchronizer chassis with automatic adjustment function can drive two screws to rotate through the setting of the wheel frame mechanism during adjustment, so that the two screws can respectively drive two sliders to move relative to or oppositely along the guide rails, and the sliders can drive the support columns to slide vertically along the fixed columns through the support rods, so that the heights of the two wheel discs on the same side can be adjusted, which is convenient for the use of the chassis. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a cross-sectional structural diagram of the wheel frame mechanism of the utility model;

[0018] Figure 3 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0019] In the figure: 1. bottom plate; 2. fixing column; 3. supporting column; 4. wheel axle; 5. wheel disc; 6. screw; 7. driving assembly; 71. reduction motor; 72. main gear; 73. slave gear; 8. slider; 9. supporting rod; 10. cover; 11. guide rail; 12. limit groove; 13. limit block; 14. reinforcing rib plate. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with the embodiments.

[0021] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0022] See also Figure 1-3 The utility model provides an adjustable synchronizer chassis with automatic adjustment function, including a base plate 1 and two groups of wheel frame mechanisms, the two groups of wheel frame mechanisms are respectively installed at the bottom of the front and rear ends of the base plate 1, the wheel frame mechanism includes a fixed column 2, a support column 3, a wheel axle 4, a wheel disc 5, a screw 6, a drive assembly 7, a slider 8 and a support rod 9. By arranging two groups of independently controllable wheel frame mechanisms at the front and rear ends of the chassis, the front and rear wheels can be independently adjusted to reduce the limitations during use. The fixed column 2 is fixedly installed at the bottom of the base plate 1, and a reinforcing rib plate 14 is fixedly connected between the upper end of the fixed column 2 and the base plate 1. By arranging the reinforcing rib plate 14, the connection strength between the fixed column 2 and the base plate 1 can be improved. The support column 3 is slidably sleeved on the lower end of the fixed column 2, and a limiting groove 12 is provided on the side wall of the fixed column 2. A limiting block 13 is provided on the upper end of the support column 3, and the limiting block 13 slides in the limiting groove 12. Through the cooperation of the limiting groove 12 and the limiting block 13, the support column 3 can be guided and limited to ensure the stability of the support column 3. The wheel axle 4 is fixedly mounted on the lower end of the support column 3, and the wheel disc 5 is rotatably mounted on the outer side of the support column 3 through the wheel axle 4. By installing a tire on the wheel disc 5, the walking function can be realized.

[0023] Reference Figure 2 and Figure 3, a screw rod 6 is rotatably installed on the side where the two fixed columns 2 on the same side are close to each other, a driving assembly 7 is installed between the two screw rods 6, a slider 8 is sleeved on the screw rod 6 and threadedly connected with the screw rod 6, a support rod 9 is hinged between the slider 8 and the support column 3, a guide rail 11 parallel to the screw rod 6 is fixedly installed on the bottom surface of the base plate 1, and the slider 8 is slidably installed on the guide rail 11. Through the setting of the wheel frame mechanism, when adjusting, the two screw rods 6 can be driven to rotate by the driving assembly 7, so that the two screw rods 6 respectively drive the two sliders 8 to move relative or oppositely along the guide rail 11, so that the slider 8 drives the support column 3 to slide vertically along the fixed column 2 through the support rod 9, so that the height of the two wheel discs 5 on the same side can be adjusted, which is convenient for the use of the chassis.

[0024] Specifically, the driving assembly 7 includes a reduction motor 71, a main gear 72 and a slave gear 73. The reduction motor 71 is fixedly mounted on the base plate 1, the main gear 72 is fixedly mounted on the output shaft of the reduction motor 71, and the slave gear 73 is fixedly mounted on the end of the screw 6 and meshes with the main gear 72. Through the setting of the driving assembly 7, during adjustment, the reduction motor 71 can be started to drive the main gear 72 to rotate, so that the main gear 72 drives the slave gear 73 to rotate, and the slave gear 73 drives the screw 6 to rotate; a cover shell 10 is fixedly mounted on the bottom surface of the base plate 1, and the main gear 72 and the slave gear 73 are both arranged in the cover shell 10, and the main gear 72 and the slave gear 73 can be protected by the cover shell 10.

[0025] The working principle and use process of the utility model are as follows: first, by arranging two sets of independently controllable wheel frame mechanisms at the front and rear ends of the chassis, when adjusting, the reduction motor 71 can be started to drive the main gear 72 to rotate, so that the main gear 72 drives the slave gear 73 to rotate, and the slave gear 73 drives the two screw rods 6 to rotate, so that the two screw rods 6 respectively drive the two sliders 8 to move relative or oppositely along the guide rail 11, so that the slider 8 drives the support column 3 to slide vertically along the fixed column 2 through the support rod 9, so that the height of the two wheel discs 5 on the same side can be adjusted independently, reducing the limitations during use.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable synchronizer chassis with automatic adjustment function, comprising a base plate (1) and two sets of wheel carrier mechanisms, characterized in that: The two groups of wheel frame mechanisms are respectively mounted at the bottom of the front and rear ends of the base plate (1), and the wheel frame mechanism comprises a fixed column (2), a support column (3), a wheel shaft (4), a wheel disc (5), a screw rod (6), a driving assembly (7), a slider (8) and a support rod (9), wherein the fixed column (2) is fixedly mounted at the bottom of the base plate (1), the support column (3) is slidably sleeved on the lower end of the fixed column (2), the wheel shaft (4) is fixedly mounted at the lower end of the support column (3), and the wheel disc (5) is rotatably mounted on the outer side of the support column (3) through the wheel shaft (4); The two fixing columns (2) on the same side are both rotatably mounted with screw rods (6) on the sides close to each other, the driving assembly (7) is mounted between the two screw rods (6), the sliding block (8) is sleeved on the screw rod (6) and is threadedly connected to the screw rod (6), and the supporting rod (9) is hinged between the sliding block (8) and the supporting column (3).

2. The adjustable synchronizer chassis with automatic adjustment function according to claim 1, characterized in that: The driving assembly (7) comprises a reduction motor (71), a main gear (72) and a slave gear (73); the reduction motor (71) is fixedly mounted on the base plate (1); the main gear (72) is fixedly mounted on the output shaft of the reduction motor (71); and the slave gear (73) is fixedly mounted on the end of the screw (6) and meshes with the main gear (72).

3. The adjustable synchronizer chassis with automatic adjustment function according to claim 2, characterized in that: A cover shell (10) is fixedly mounted on the bottom surface of the base plate (1), and the main gear (72) and the slave gear (73) are both arranged in the cover shell (10).

4. The adjustable synchronizer chassis with automatic adjustment function according to claim 1, characterized in that: A guide rail (11) parallel to the screw rod (6) is fixedly mounted on the bottom surface of the base plate (1), and the slider (8) is slidably mounted on the guide rail (11).

5. The adjustable synchronizer chassis with automatic adjustment function according to claim 1, characterized in that: A limiting groove (12) is provided on the side wall of the fixing column (2), and a limiting block (13) is provided on the upper end of the supporting column (3), wherein the limiting block (13) slides in the limiting groove (12).

6. The adjustable synchronizer chassis with automatic adjustment function according to claim 1, characterized in that: A reinforcing rib plate (14) is fixedly connected between the upper end of the fixing column (2) and the bottom plate (1).

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