Chassis of crawler rotary cultivator

By introducing a hydraulic system and mounting components onto the tracked rotary tiller chassis, the problem of the tiller floating when operating on uneven ground has been solved, achieving efficient tillage and safe operation.

CN223584687UActive Publication Date: 2025-11-25GUANGDONG MODERN AGRI EQUIP RES INST +1
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Patent Information

Application Number
CN202423086461.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-25
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

Existing rotary tillers have difficulty maintaining the level of the machine when tilling uneven ground, resulting in low tillage efficiency and the need for manual adjustments.

Method used

A tracked rotary tiller chassis was designed, which uses a hydraulic system to control the movement of the suspension frame. Combined with the mounting components, the suspension frame can be fixed or adaptively floating, ensuring that the working implement remains level or adapts to uneven ground.

Benefits of technology

It improves the efficiency of tilling uneven ground, avoids manual adjustments, and ensures the continuity and safety of operations.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223584687U_ABST
    Figure CN223584687U_ABST
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Abstract

The utility model provides a crawler belt rotary cultivator chassis which comprises a chassis frame, walking parts, a suspension frame, a hydraulic system, a driving mechanism and a hanging assembly are arranged on the chassis frame, the walking parts are arranged on the two sides of the bottom end of the chassis frame, the suspension frame is arranged at the front end of the chassis frame and used for installing an operation machine tool, and the hydraulic system is arranged on the suspension frame. The hydraulic system is arranged on one side of the chassis frame and can be used for controlling movement of the suspension frame, the driving mechanism is arranged in the middle of the chassis frame and used for providing power for the walking component and the operation machine tool installed on the suspension frame, and the hanging assembly is arranged at the end, close to the suspension frame, of the chassis frame and used for hanging the operation machine tool on the suspension frame. The fixing device is used for fixing the suspension bracket when the suspension bracket needs to be mechanically fixed. Through the design of the hydraulic system, when an uneven ground is raked, an operation machine tool of the rotary cultivator can be directly locked, the uneven ground can be raked in a horizontal pushing mode, and the ploughing efficiency is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rotary cultivator equipment technical field, concretely relates to a track rotary cultivator chassis. BACKGROUND

[0002] At present, the common rotary cultivator is floating ploughing along with the ground situation when ploughing and leveling, such as when there is convex, concave and other floating slope on the ground, some uneven ground is not ploughed, and finally still needs manual shovel or repeatedly processes the irregular block, which can easily affect the efficiency and investment of ploughing. UTILITY MODEL CONTENTS

[0003] The utility model provides a track rotary cultivator chassis, through design hydraulic system, can directly lock the operation tool of rotary cultivator when ploughing and harrowing the uneven ground, can plow the uneven ground in the way, greatly improves the efficiency of ploughing.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme:

[0005] A track rotary cultivator chassis, including chassis frame, setting up walking component, suspension frame, hydraulic system, drive mechanism and hanging component on the chassis frame, the walking component is set up on both sides of the bottom end of the chassis frame, the suspension frame is set up on the front end of the chassis frame and is used for installing operation tool, the hydraulic system is set up on one side of the chassis frame and can be used for controlling the activity of the suspension frame, the drive mechanism is set up on the middle position of the chassis frame and is used for providing power for the walking component and the operation tool installed on the suspension frame, the hanging component is set up on one end of the suspension frame on the chassis frame and is used for fixing the suspension frame when needing to mechanically fix the suspension frame.

[0006] As preferred, the drive mechanism includes engine, transmission belt assembly and gearbox, the engine is set up on the chassis frame, the gearbox is set up on the chassis frame and is on both sides of the engine, the transmission belt assembly is set up on the output end of the engine and the gearbox.

[0007] As preferred, the walking component includes walking wheel frame, driving wheel assembly, driven wheel, direction wheel and walking track, the walking wheel frame is set up on the bottom end of the chassis frame, the driving wheel assembly is set up on one end of the walking wheel frame and is connected with the gearbox, the direction wheel is set up on the other end of the walking wheel frame and is used for controlling the walking direction, the driven wheel is distributed and set up in the middle of the walking wheel frame, the walking track is set up on the driving wheel assembly, direction wheel and driven wheel, and the power is output to the driving wheel assembly through the gearbox, thereby driving the walking track to rotate.

[0008] As preferred, the hydraulic system comprises a hydraulic tank pump assembly, a hydraulic control valve and a hydraulic telescopic cylinder, the hydraulic tank pump assembly and the hydraulic control valve are arranged on the chassis frame, the hydraulic telescopic cylinder is symmetrically arranged at the front end of the chassis frame, one end of the hydraulic telescopic cylinder is connected with the chassis frame, and the other end of the hydraulic telescopic cylinder is connected with the suspension frame, and the hydraulic tank pump assembly, the hydraulic control valve and the hydraulic telescopic cylinder are communicated with each other through hydraulic pipes.

[0009] As preferred, the hydraulic telescopic cylinder is provided with an upper interface and a lower interface which are communicated with the hydraulic control valve through hydraulic pipes, the upper interface is arranged at the upper part of the hydraulic telescopic cylinder and is used for applying downward pressure to the suspension frame, and the lower interface is arranged at the lower part of the hydraulic telescopic cylinder and is used for applying upward pressure to the suspension frame.

[0010] As preferred, the hitching assembly comprises a hooking piece and a fixing piece, the hooking piece is arranged at the front end of the chassis frame, the fixing piece is arranged on the suspension frame, and the front end of the hooking piece is provided with a limiting hanging opening corresponding to the fixing piece and used for stably hitching with the fixing piece.

[0011] As preferred, an oil tank and a storage battery are further arranged at the rear end and the front end of the chassis frame respectively.

[0012] Compared with the prior art, the hydraulic system can control the movement of the suspension frame, the position height of the suspension frame can be fixed by using the hydraulic system when the uneven land needs to be ploughed, so that the horizontal plane during ploughing on the uneven ground can always be kept consistent, in addition, the movement of the suspension frame can be locked when the suspension frame is lifted for maintenance or replacement of the working machine tool, and safety problems during maintenance or replacement of the working machine tool can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a schematic view of the three-dimensional structure of the utility model;

[0014] Figure 2 is a schematic view of the walking part of the utility model;

[0015] Figure 3 is a schematic view of the hydraulic system of the utility model;

[0016] Figure 4 is a schematic view of the driving mechanism of the utility model;

[0017] Figure 5 is a schematic view of the hydraulic circuit of the utility model. DETAILED DESCRIPTION

[0018] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments.

[0019] It should be noted that when a component / part is referred to as "disposed on" another component / part, it can be directly disposed on the other component / part or there can be a middle component / part. When a component / part is referred to as "connected / coupled" to another component / part, it can be directly connected / coupled to the other component / part or there can be a middle component / part. The term "connected / coupled" as used herein can include electrical and / or mechanical physical connection / coupling. The term "comprising / including" as used herein refers to the presence of a feature, step or component / part, but does not exclude the presence or addition of one or more other features, steps or components / parts. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0020] Referring to Figures 1-5 As shown in the figure, a track rotary cultivator chassis comprises a chassis frame 1, a walking component 2, a suspension frame 3, a hydraulic system 4, a driving mechanism 5 and a hitch assembly 6 are arranged on the chassis frame 1, the walking component 2 is arranged on both sides of the bottom end of the chassis frame 1, the suspension frame 3 is arranged at the front end of the chassis frame 1 and is used for installing working tools, the hydraulic system 4 is arranged on one side of the chassis frame 1 and can be used for controlling the movement of the suspension frame 3, the driving mechanism 5 is arranged at the middle position of the chassis frame 1 and is used for providing power for the walking component 2 and the working tools installed on the suspension frame 3, and the hitch assembly 6 is arranged on one end of the chassis frame 1 close to the suspension frame 3 and is used for fixing the suspension frame 3 when it is necessary to mechanically fix the suspension frame 3, for example, when the working tools are maintained or replaced.

[0021] Referring to Figure 4 As shown in the figure, the driving mechanism 5 comprises an engine 51, a transmission belt assembly 52 and a gearbox 53, the engine 51 is arranged on the chassis frame 1, the gearbox 53 is arranged on the chassis frame 1 and is located on both sides of the engine 51, and the transmission belt assembly 52 is arranged on the output ends of the engine 51 and the gearbox 53. The components of the driving mechanism 5 are all existing technologies, and will not be described in detail here.

[0022] Referring to Figure 2As shown, the walking component 2 includes a walking wheel frame 21, a driving wheel assembly 22, a driven wheel 23, a direction wheel 24 and a walking track 25. The walking wheel frame 21 is arranged at the bottom end of the chassis frame 1. The driving wheel assembly 22 is arranged at one end of the walking wheel frame 21 and connected with the gearbox 53. The direction wheel 24 is arranged at the other end of the walking wheel frame 21 and used for controlling the walking direction. The driven wheel 23 is arranged at the middle part of the walking wheel frame 21. The walking track 25 is arranged on the driving wheel assembly 22, the direction wheel 24 and the driven wheel 23. The power is outputted to the driving wheel assembly 22 through the gearbox 53 so as to drive the walking track 25 to rotate.

[0023] Please refer to Figure 3 As shown, the hydraulic system 4 includes a hydraulic tank pump assembly 41, a hydraulic control valve 42 and a hydraulic telescopic cylinder 43. The hydraulic tank pump assembly 41 and the hydraulic control valve 42 are arranged on the chassis frame 1. The hydraulic telescopic cylinder 43 is symmetrically arranged at the front end of the chassis frame 1, one end of which is connected with the chassis frame 1 and the other end of which is connected with the suspension frame 3. The hydraulic tank pump assembly 41, the hydraulic control valve 42 and the hydraulic telescopic cylinder 43 are communicated with each other through hydraulic pipes.

[0024] The hydraulic telescopic cylinder 43 is provided with an upper interface 431 and a lower interface 432 which are communicated with the hydraulic control valve 42 through hydraulic pipes. The upper interface 431 is arranged at the upper part of the hydraulic telescopic cylinder 43 and used for applying downward pressure to the suspension frame 3. The lower interface 432 is arranged at the lower part of the hydraulic telescopic cylinder 43 and used for applying upward pressure to the suspension frame 3 or making the suspension frame 3 swing along with the terrain.

[0025] The hitching assembly 6 includes a hook member 61 and a fixing member 62. The hook member 61 is arranged at the front end of the chassis frame 1. The fixing member 62 is arranged on the suspension frame 3. The front end of the hook member 61 is provided with a limiting hook opening 63 corresponding to the fixing member 62 and used for stably hitching with the fixing member 62. An oil tank 7 and a storage battery 8 are further arranged at the rear end and the front end of the chassis frame 1 respectively.

[0026] The hydraulic system 4 can realize the switching of two modes. In one mode, the suspension frame 3 cannot be up and down profiled and floats. In operation, the same horizontal plane is kept to make the operation strong. In the other mode, if the ground is hard or there are stubborn obstacles, the mode of self-adapting to the fluctuation of the operation surface can be selected. The hydraulic system 4 will not lock the rear suspension frame 3. When the operation encounters large resistance, the rear suspension frame 3 can freely and smoothly float up. The rear suspension frame 3 can automatically adapt to the fluctuation or follow the obstacles to continue the operation.

[0027] The utility model discloses a hydraulic system 4 can control the activity of suspension frame 3, when needing to plow and harrow uneven land, can utilize hydraulic pressure and press down the suspension frame, make the efficiency of plowing and harrowing on uneven ground higher, in addition, through the hitching subassembly 6, can lock the activity of suspension frame 3 when lifting suspension frame 3 and maintaining or replacing work machine tool, avoided the security problem when maintaining or replacing work machine tool.

[0028] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, carries out equivalent replacement or change, all should be covered in the protection scope of the utility model.

Claims

1. A track rototiller chassis characterized by, The utility model provides a kind of agricultural machinery, including chassis, walking part, suspension frame, hydraulic system, drive mechanism and hitching assembly are arranged on the chassis, the walking part is arranged at the bottom end of chassis, the suspension frame is arranged at the front end of chassis, for installing work implement, the hydraulic system is arranged on one side of chassis, can be used to control the activity of suspension frame, the drive mechanism is arranged on the middle position of chassis, for providing power to walking part and work implement installed to suspension frame, the hitching assembly is arranged on one end of chassis close to suspension frame, for when needing to mechanically fix suspension frame, suspension frame can be fixed.

2. The track rototiller chassis of claim 1, wherein, The drive mechanism includes an engine, a transmission belt assembly, and a gearbox, the engine is arranged on the chassis, the gearbox is arranged on the chassis and on both sides of the engine, the transmission belt assembly is arranged on the output end of the engine and the gearbox.

3. The track rototiller chassis of claim 2, wherein, The walking part includes a walking wheel frame, a driving wheel assembly, a driven wheel, a direction wheel, and a walking track, the walking wheel frame is arranged on the bottom end of the chassis, the driving wheel assembly is arranged on one end of the walking wheel frame and connected with the gearbox, the direction wheel is arranged on the other end of the walking wheel frame for controlling the walking direction, the driven wheels are arranged on the middle of the walking wheel frame, the walking track is arranged on the driving wheel assembly, the direction wheel, and the driven wheels, and the power is output to the driving wheel assembly through the gearbox to drive the walking track to rotate.

4. The track rototiller chassis of claim 1 wherein, The hydraulic system includes a hydraulic tank pump assembly, a hydraulic control valve, and a hydraulic telescopic cylinder, the hydraulic tank pump assembly and the hydraulic control valve are arranged on the chassis, the hydraulic telescopic cylinder is symmetrically arranged on the front end of the chassis, one end of which is connected with the chassis, and the other end is connected with the suspension frame, the hydraulic tank pump assembly, the hydraulic control valve, and the hydraulic telescopic cylinder are connected with each other through hydraulic pipes.

5. The track rototiller chassis of claim 4 wherein, The hydraulic telescopic cylinder is provided with an upper interface and a lower interface connected with the hydraulic control valve through hydraulic pipes, the upper interface is arranged on the upper part of the hydraulic telescopic cylinder for applying downward pressure to the suspension frame, and the lower interface is arranged on the lower part of the hydraulic telescopic cylinder for applying upward pressure to the suspension frame.

6. The track rototiller chassis of claim 1 wherein, The hitching assembly includes a hook and a fixing piece, the hook is arranged on the front end of the chassis, the fixing piece is arranged on the suspension frame, and the front end of the hook is provided with a limiting hook opening corresponding to the fixing piece for stably hitching with the fixing piece.

7. The track rototiller chassis of claim 1 wherein, An oil tank and a storage battery are further arranged on the rear end and the front end of the chassis respectively.