Axle-distance-adjustable field management machine

Abstract

The utility model provides a field management machine with an adjustable wheel base, which belongs to the technical field of field management machines, and comprises a front main frame and a rear main frame, the front main frame is in contact with the rear main frame, the bottom of the front main frame and the bottom of the rear main frame are respectively provided with a group of opposite wheel supports, a wheel shaft is rotatably connected between the opposite wheel supports, and the wheel shaft is connected with the front main frame and the rear main frame. A plurality of front axle brackets are fixedly connected to the bottom of the front main frame, sliding shafts are fixedly connected to the outer side walls of the front axle brackets, a fixing frame is fixedly connected to the bottom of the front main frame, a threaded rod is fixedly connected to the outer side wall of the fixing frame, and a plurality of sliding frames are fixedly connected to the bottom of the rear main frame. According to the field management machine, the rotating sleeve drives the rotating rod to rotate, so that the threaded rod moves in the direction away from the threaded sleeve, the front main frame is driven to move in the direction away from the rear main frame, the wheelbase of the field management machine is increased, and the field management machine can be conveniently used in different environments.

Description

Technical Field

[0001] This utility model relates to the field of garden management machine technology, and more specifically, to a garden management machine with adjustable wheelbase. Background Technology

[0002] A garden tiller is a multi-functional agricultural machine. It is typically equipped with a small, high-efficiency engine, providing powerful performance while being relatively energy-efficient. Its compact and flexible design allows it to maneuver freely in narrow field paths, vegetable gardens, and orchards. It features multiple functions including rotary tillage, weeding, ditching, and ridging, and can perform various agricultural operations by quickly changing different blades or working parts. Easy to operate, it effectively reduces labor intensity and significantly improves field operation efficiency. Whether for small-scale family garden management or the meticulous field management of large-scale planting bases, garden tillers play a vital role, contributing to more efficient, convenient, and modern agricultural production.

[0003] While garden tillers have numerous applications in agricultural production, they also have some limitations. Their wheelbase is typically non-adjustable, a fixed design that significantly reduces their adaptability to complex and varied field environments. In areas with significant terrain undulations, irregular plot shapes, or numerous obstacles, the inability to flexibly adjust the wheelbase according to actual conditions severely restricts the maneuverability and passability of garden tillers.

[0004] How to invent a garden management machine with an adjustable wheelbase to improve these problems has become an urgent issue for those skilled in the art. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a garden management machine with an adjustable wheelbase, which aims to improve the problems mentioned in the background.

[0006] This utility model is implemented as follows:

[0007] This utility model provides a garden tiller with an adjustable wheelbase, including a front main frame and a rear main frame. The front main frame and the rear main frame are in contact with each other. Each of the front and rear main frames has a set of opposing wheel supports at its bottom. The opposing wheel supports are rotatably connected by an axle, which passes through both sides of the opposing wheel supports. Multiple front axle supports are fixedly connected to the bottom of the front main frame. A sliding shaft is fixedly connected to the outer wall of the front axle support. A fixed frame is fixedly connected to the bottom of the front main frame. A screw is fixedly connected to the outer wall of the fixed frame. Multiple slides are fixedly connected to the bottom of the rear main frame. The sliding shaft is located inside the slide and is slidably connected to the slide. A fixed block is fixedly connected to the bottom of the rear main frame. A threaded sleeve is rotatably connected inside the fixed block. A cleaning assembly is provided at the bottom of the rear main frame.

[0008] Preferably, a roller is rotatably connected to the end of the axle, and the outer contour of the roller is provided with a plurality of triangular protrusions, the vertices of the triangular protrusions being set at obtuse angles.

[0009] Preferably, the threaded sleeve has internal threads, and the screw is located inside the threaded sleeve and is connected to the threaded sleeve by threads.

[0010] Preferably, the cleaning assembly includes two sets of shaft supports fixedly connected to the bottom of the rear main frame. Each set of shaft supports has a driven shaft rotatably connected inside it. An oil brush is provided between each set of shaft supports. The oil brush is circumferentially arranged and fixedly connected to the outer wall of the driven shaft. A cleaning brush is fixedly connected to the end of the driven shaft. Both the cleaning brush and the oil brush are in contact with the outer wall of the screw. An oil groove is fixedly connected to the bottom of the rear main frame, and the oil groove is filled with lubricating oil.

[0011] Preferably, the cleaning assembly further includes a drive gear fixedly connected to the end of the threaded sleeve, and a driven gear fixedly connected to the end of the driven shaft.

[0012] Preferably, the driving gear and the driven gear are meshed.

[0013] Preferably, a rotating rod is fixedly connected to the end of the threaded sleeve. The rotating rod is L-shaped, and a collar is rotatably connected to the end of the rotating rod. A handle is fixedly connected to the outer wall of the collar, and a rotating sleeve is rotatably connected to the outer wall of the handle.

[0014] The beneficial effects of this utility model are as follows: the rotating sleeve drives the rotating rod to rotate, causing the screw to move away from the threaded sleeve, thereby driving the front main frame to move away from the rear main frame, increasing the wheelbase of the garden tiller and making it convenient to use in different environments; at the same time as the threaded sleeve rotates, the cleaning brush also rotates, cleaning the dirt attached to the surface of the screw, keeping the screw clean and preventing wear between the screw and the threaded sleeve. At the same time, the oil brush also rotates with the driven shaft, evenly applying the lubricating oil inside the oil groove to the surface of the screw, preventing the screw from rusting due to lack of lubrication. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0016] Figure 1 This is a three-dimensional structural diagram of a garden management machine with adjustable wheelbase provided by an embodiment of this utility model;

[0017] Figure 2 This is a schematic diagram of the screw position of a garden tiller with adjustable wheelbase provided by an embodiment of this utility model;

[0018] Figure 3 yes Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 yes Figure 2 Enlarged view of point B in the middle;

[0020] Figure 5 This is a schematic diagram of the cleaning component structure of a garden management machine with adjustable wheelbase provided by an embodiment of this utility model.

[0021] In the diagram: 1. Front main frame; 2. Rear main frame; 3. Wheel bracket; 4. Axle; 5. Roller; 6. Front axle bracket; 7. Sliding shaft; 8. Fixed bracket; 9. Screw; 10. Slide carriage; 11. Fixed block; 12. Threaded sleeve; 13. Shaft bracket; 14. Driven shaft; 15. Oil brush; 16. Cleaning brush; 17. Oil groove; 18. Rotating rod; 19. Collar; 20. Throttle; 21. Rotating sleeve; 22. Driven gear; 23. Driving gear. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0023] Example, refer to Figure 1-Figure 5An adjustable wheelbase garden tiller includes a front main frame 1 and a rear main frame 2, which are in contact with each other. Both the front and rear main frames have a set of opposing wheel supports 3 at their bottom, with axles 4 rotatably connected between them. The axles 4 pass through both sides of the opposing wheel supports 3. Multiple front axle supports 6 are fixedly connected to the bottom of the front main frame 1, and sliding shafts 7 are fixedly connected to the outer walls of the front axle supports 6. A fixed frame 8 is fixedly connected to the bottom of the front main frame 1, and the outer walls of the fixed frame 8 are fixedly connected to... The rear main frame 2 has a screw 9 and multiple slides 10 fixedly connected to its bottom. A sliding shaft 7 is located inside the slides 10 and slidably connected to them. A fixing block 11 is fixedly connected to the bottom of the rear main frame 2, and a threaded sleeve 12 is rotatably connected inside the fixing block 11. A cleaning assembly is provided at the bottom of the rear main frame 2. A roller 5 is rotatably connected to the end of the axle 4. Multiple triangular bosses are provided on the outer contour of the roller 5, with the apexes of the triangular bosses being obtuse angles. The threaded sleeve 12 has internal threads, and the screw 9 is located within the threaded sleeve 12. The internal connection between the screw and the threaded sleeve 12 is via threads; the cleaning assembly includes two sets of shaft supports 13 fixedly connected to the bottom of the rear main frame 2, each set of shaft supports 13 having a driven shaft 14 rotatably connected inside, and an oil brush 15 disposed between each set of shaft supports 13. The oil brush 15 is circumferentially arranged and fixedly connected to the outer wall of the driven shaft 14. A cleaning brush 16 is fixedly connected to the end of the driven shaft 14. Both the cleaning brush 16 and the oil brush 15 are in contact with the outer wall of the screw 9. An oil groove 17 is fixedly connected to the bottom of the rear main frame 2. The oil tank 17 is filled with lubricating oil; the cleaning assembly also includes a drive gear 23 fixedly connected to the end of the threaded sleeve 12, and a driven gear 22 fixedly connected to the end of the driven shaft 14; the drive gear 23 and the driven gear 22 are meshed; a rotating rod 18 is fixedly connected to the end of the threaded sleeve 12, the rotating rod 18 is arranged in an "L" shape, a collar 19 is rotatably connected to the end of the rotating rod 18, a handle 20 is fixedly connected to the outer wall of the collar 19, and a rotating sleeve 21 is rotatably connected to the outer wall of the handle 20.

[0024] The working principle of this adjustable wheelbase garden tiller is as follows: When the wheelbase of the garden tiller needs to be adjusted, the rotating sleeve 21 rotates in a circular motion, and the handle 20 drives the rotating rod 18 to rotate, which in turn drives the threaded sleeve 12 to rotate. Since the screw 9 is fixed to the front main frame 1 by the fixing bracket 8, when the threaded sleeve 12 rotates, it meshes with the screw 9 and pushes the screw 9 to move away from the threaded sleeve 12, thereby driving the front main frame 1 to move away from the rear main frame 2, thus increasing the wheelbase of the garden tiller for convenient use in different environments. At the same time as the threaded sleeve 12 rotates, it also drives the driven gear 22 to rotate through the driving gear 23, and the driven gear 22 rotates to drive the driven shaft 1. When the shaft 14 needs to be shortened, dirt particles will adhere to the surface of the screw 9 due to its operation. When these dirt particles enter the inside of the threaded sleeve 12, they will accelerate the wear between the screw 9 and the threaded sleeve 12. When the screw 9 enters the inside of the threaded sleeve 12 through its rotation, the cleaning brush 16 rotates to clean the dirt adhering to the surface of the screw 9, keeping the screw 9 clean and preventing wear between the screw 9 and the threaded sleeve 12. At the same time, the oil brush 15 also rotates with the rotation of the driven shaft 14, evenly applying the lubricating oil inside the oil groove 17 to the surface of the screw 9, preventing the screw 9 from rusting due to lack of lubrication.

[0025] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A garden tiller with adjustable wheelbase, comprising a front main frame (1) and a rear main frame (2), characterized in that, The front main frame (1) and the rear main frame (2) are in contact. The bottom of the front main frame (1) and the rear main frame (2) are provided with a set of opposing wheel brackets (3). The opposing wheel brackets (3) are rotatably connected by a wheel axle (4). The wheel axle (4) passes through both sides of the opposing wheel brackets (3). The bottom of the front main frame (1) is fixedly connected with multiple front axle brackets (6). The outer side wall of the front axle bracket (6) is fixedly connected with a sliding shaft (7). The bottom of the front main frame (1) is fixedly connected with a fixing frame (8). The outer side wall of the fixing frame (8) is fixedly connected with a screw (9). The bottom of the rear main frame (2) is fixedly connected with multiple slides (10). The sliding shaft (7) is located inside the slide (10) and slidably connected to the slide (10). The bottom of the rear main frame (2) is fixedly connected with a fixing block (11). The fixing block (11) is rotatably connected with a threaded sleeve (12). The bottom of the rear main frame (2) is provided with a cleaning component.

2. The garden tiller with adjustable wheelbase according to claim 1, characterized in that, The end of the axle (4) is rotatably connected to a roller (5), and the outer contour of the roller (5) is provided with multiple triangular protrusions, the apex of which is set at an obtuse angle.

3. A garden tiller with adjustable wheelbase according to claim 1, characterized in that, The threaded sleeve (12) has a thread inside, and the screw (9) is located inside the threaded sleeve (12) and is connected to the threaded sleeve (12) by a thread.

4. A garden tiller with adjustable wheelbase according to claim 1, characterized in that, The cleaning assembly includes two sets of shaft brackets (13) fixedly connected to the bottom of the rear main frame (2). Each set of shaft brackets (13) is rotatably connected to a driven shaft (14). Each set of shaft brackets (13) is provided with an oil brush (15). The oil brush (15) is circumferentially arranged and fixedly connected to the outer wall of the driven shaft (14). The end of the driven shaft (14) is fixedly connected to a cleaning brush (16). Both the cleaning brush (16) and the oil brush (15) are in contact with the outer wall of the screw (9). The bottom of the rear main frame (2) is fixedly connected to an oil groove (17), and the oil groove (17) is provided with lubricating oil.

5. A garden tiller with adjustable wheelbase according to claim 4, characterized in that, The cleaning assembly also includes a drive gear (23) fixedly connected to the end of the threaded sleeve (12), and a driven gear (22) fixedly connected to the end of the driven shaft (14).

6. A garden tiller with adjustable wheelbase according to claim 5, characterized in that, The driving gear (23) is meshed with the driven gear (22).

7. A garden tiller with adjustable wheelbase according to claim 1, characterized in that, The end of the threaded sleeve (12) is fixedly connected to a rotating rod (18), which is L-shaped. The end of the rotating rod (18) is rotatably connected to a collar (19), and the outer wall of the collar (19) is fixedly connected to a handle (20). The outer wall of the handle (20) is rotatably connected to a rotating sleeve (21).

Images