Material-shifting stumping machine with terrain-imitating lifting function

The coppicing machine, which features terrain-following lifting and tilting cutting, solves the problems of incomplete shrub branch cutting and collection difficulties, achieving efficient and stable shrub coppicing operations.

CN224007210UActive Publication Date: 2026-03-20NORTHEAST FORESTRY UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing shrub coppicing machines have difficulty effectively cutting into soft, drooping shrub branches, leading to cutting failures. Furthermore, the cut branches scatter or get stuck in the saw blade, failing to meet the needs for efficient harvesting and collection.

Method used

A terrain-adaptive lifting and material-picking coppicing machine was designed. By adjusting the bracket and the material-picking mechanism, the saw blade can be lifted and tilted to adapt to terrain and perform inclined cutting. It is equipped with a material-picking chain group to push and cut plant branches, adapting to different terrains and plant varieties. Combined with a vibration-damping connecting seat, the transmission system is stabilized.

Benefits of technology

It improves cutting effect and harvesting efficiency, ensures even cutting, reduces branch scattering, simplifies subsequent collection work, and enhances the adaptability and stability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a stumping machine with a terrain-imitating lifting function and a material shifting function, and belongs to the technical field of agricultural machinery. The stumping machine is good in cutting effect, high in cutting flatness, good in adaptability and high in harvesting efficiency. A machine body of the stumping machine is fixedly arranged at the operating end of a machine frame, a switching assembly is movably erected at the working end of the machine frame through an adjusting bracket, a transmission shaft is in transmission connection between a machine body driving assembly and the switching assembly, a saw blade is fixedly installed at the output end of the switching assembly, and a material shifting mechanism is detachably and fixedly installed at the working end of the machine frame. The driving assembly drives the saw blade to rotate to cut plants, and the material shifting mechanism pushes and pokes the cut plants to a designated direction. According to the stumping machine, the height of the saw blade is adjustable, various varieties of plants can be harvested, the stumping machine can be adaptively applied to various terrains, the application scene is wide, the included angle is formed between the saw blade and the ground, the harvesting effect is good, the cut plants can be pushed to the designated direction, collection and arrangement are facilitated, and the work intensity is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of agricultural machinery, especially relates to a stubble machine with imitated terrain lifting and material pushing. BACKGROUND

[0002] Caragana, shrub, sand willow and the like are shrub plants with excellent windproof and sand-fixing effect, and they have high protein content and can be used for feed processing and high-biomass fuel, and belong to renewable resources, and have important ecological and economic values, and according to their growth law, stubble rejuvenation needs to be carried out every three years, and the method of alternate stubble cutting is generally adopted.

[0003] At present, the back-mounted oil saw is used in most areas to harvest, and the harvesting efficiency is very low, which leads to insufficient supply of raw materials and limits the development of some manufacturers that use the raw materials to manufacture concentrate feed for feeding cattle and sheep. Imported baling machines are introduced in some areas, and the price is very expensive, and a tractor with a power of more than 250 horsepower needs to be equipped, and the cost performance is low, and the caragana harvested by the baling machine is damaged at the root and cannot grow next year, and the requirement of stubble rejuvenation cannot be met.

[0004] The shrub stubble machine is a device specially used for stubble cutting of the shrubs, and the main principle is that the stubble machine advances and uses the almost horizontal disc saw at the lower side of the machine body to cut the shrubs contacted on the path, so that the stubble cutting effect is achieved, but the branches of the shrubs such as sand willow and caragana usually hang down on the ground in a drooping style, and the branches are soft and flexible, so when the horizontal saw blade cuts the branches on the path while moving forward, the blade will first contact the branches and push the branches backward due to the forward movement, in this process, the blade cannot directly cut into the branches due to the lack of a good contact point, and the branches are pushed forward and bent or even collapsed, so that the height of the branches is reduced to pass under the blade, so the blade will slide on the surface of the branches, only the skin of the branches can be damaged, and the stubble cutting effect cannot be achieved, and the cut branches will be scattered on the ground or stuck on the central shaft of the saw blade, so that the stubble cutting fails and cannot be collected, and therefore, the shrub stubble cutting device is provided to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] In order to solve the problems in the background art, the utility model provides a stubble machine with imitated terrain lifting and material pushing, which has good cutting effect, high cutting flatness, good adaptability and high harvesting efficiency.

[0006] The utility model discloses a technical scheme that solves its technical problem adopts: a kind of movable material flat topping machine with topographic feature imitating lifting, including machine body, rack, transmission shaft, adapter assembly, material stirring mechanism, saw blade and adjusting bracket, the machine body is fixedly arranged on the operating end of rack, adapter assembly is movably mounted on the working end of rack by adjusting bracket, the one end of transmission shaft is connected with the output end of machine body driving assembly by coupling, the other end of transmission shaft is connected with the input end of adapter assembly by coupling, the saw blade is fixedly installed on the output end of adapter assembly, and safety cover is provided with the half-enclosed cover outside saw blade, the material stirring mechanism is detachably fixedly installed on the working end of rack and is located above saw blade.

[0007] The working end of the rack is vertically provided with two sleeve rods, and a front and rear through sliding groove is formed in each of the two sleeve rods in the up-down direction.

[0008] The adjusting bracket is provided with two vertical rods at the front end, and the two vertical rods are respectively abutted against the rear walls of the two sleeve rods.

[0009] The adjusting bracket is provided with two vertical rods at the front end, and the two vertical rods are respectively abutted against the rear walls of the two sleeve rods.

[0010] The rack is provided with a plurality of shock-absorbing connecting seats, and each shock-absorbing connecting seat comprises a supporting rod, two fixed rods and two shock-absorbing springs.

[0011] The machine body comprises an engine, a gearbox, a walking system and a control system, the output end of the engine is drivingly connected with the input end of the gearbox, one output end of the gearbox is drivingly connected with the walking system, and the other output end of the gearbox is drivingly connected with a transmission shaft, and the control system is in control connection with the engine and the gearbox.

[0012] The utility model discloses a beneficial effect: the stubble machine structure compact and reasonable, transmission relation is stable, and cutting operation stability is high, the adjusting bracket of the stubble machine can according to the different of the plant variety to be cut, and according to the different of the flat situation of the operation plot, carry out the adaptive height adjustment of the topographic simulation, and the adaptation ability is strong, overcomes the problem that material cannot be harvested due to the convex and concave difference of the topography, improves the cutting effect, the saw blade and the ground are set up the included angle, can effectively improve the situation that the original machinery cannot cut down the plant that lodges, improves the cutting effect, sets up the material pushing mechanism, and the plant after cutting is pushed and pushed to dump to the specified direction, is convenient for subsequent plant branch collection and transportation, effectively alleviates the work intensity of staff. BRIEF DESCRIPTION OF DRAWINGS

[0013] In the drawings:

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is Figure 1 A part enlarged view in the middle part;

[0016] Figure 3 It is the adjusting bracket structure schematic diagram of the utility model;

[0017] Figure 4 It is the saw blade inclination installation effect schematic diagram of the utility model;

[0018] In the drawing: 1, machine body;2, rack;3, shock absorbing connecting seat;4, transmission shaft;5, adapter assembly;6, material pushing mechanism;7, safety cover;8, saw blade;9, adjusting bracket;10, angle adjusting connecting rod;11, height adjusting connecting rod;12, sliding sleeve;13, universal wheel;14, sleeve rod;15, plug-in seat;16, vertical rod;17, connecting shaft;18, driving motor;19, engine;20, gearbox;21, walking system;22, control system. DETAILED DESCRIPTION

[0019] The utility model will be further explained in detail in combination with the drawings. The drawings are all simplified schematic diagrams, just with the schematic way to explain the basic structure of the utility model, therefore it just shows the structure related to the utility model.

[0020] The application discloses a ground-terrain-simulating lifting type material-pushing mower, which comprises a body 1, a frame 2, a transmission shaft 4, a switching assembly 5, a material-pushing mechanism 6, a saw blade 8 and an adjusting bracket 9, the body 1 is fixedly arranged on the operation end of the frame 2, the switching assembly 5 is movably arranged on the working end of the frame 2 through the adjusting bracket 9, one end of the transmission shaft 4 is in transmission connection with the output end of a driving assembly of the body 1 through a shaft coupling, the other end of the transmission shaft 4 is in transmission connection with the input end of the switching assembly 5 through a shaft coupling, the saw blade 8 is fixedly arranged on the output end of the switching assembly 5 through a connecting shaft 17, a safety cover 7 is arranged outside the saw blade 8, the material-pushing mechanism 6 is detachably fixedly arranged on the working end of the frame 2 and located above the saw blade 8, the driving assembly of the body 1 drives the transmission shaft 4 to rotate, the rotating transmission shaft 4 drives the switching assembly 5 to rotate, the rotating switching assembly 5 drives the saw blade 8 to rotate through the connecting shaft 17 to perform cutting work, and the material-pushing mechanism 6 pushes and falls the cut plant branches to the same side.

[0021] Two sleeve rods 14 are vertically arranged at the end of the working end of the frame 2, a front-to-rear sliding groove is formed in each of the sleeve rods 14 in the up-down direction, two vertical rods 16 are fixedly arranged at the front end of the adjusting bracket 9 and abut against the rear walls of the sleeve rods 14 respectively, an inserting rod is protrusively arranged on the front wall of each of the vertical rods 16 and slidably arranged in the sliding groove, an inserting seat 15 is fixedly arranged on the front end surface of each of the inserting rods and slidably abuts against the front wall of the sleeve rod 14, a horizontal rod is fixedly arranged between the two inserting seats 15 and the switching assembly 5 is fixedly arranged on the horizontal rod, a sliding sleeve 12 is vertically arranged at the rear end of the adjusting bracket 9 and slidably arranged on an adjusting rod fixedly arranged on the frame 2, an adjusting screw is screwed on the side wall of the sliding sleeve 12, a plurality of screw holes are formed in the adjusting rod in the longitudinal direction, and the working end of the adjusting screw is intermittently screwed in any screw hole, a universal wheel 13 is arranged at the bottom of the sliding sleeve 12 and supports the ground, which is used for adjusting the advancing direction of the mower, the ground clearance of the adjusting bracket 9 and the ground clearance of the saw blade 8 can be adjusted by changing the screwing position relationship between the adjusting screw and the screw hole, so that the stubble height of different plants and different ploughing conditions can be adapted.

[0022] The poking mechanism 6 comprises a poking chain set, two angle adjustment connecting rods 10 and two height adjustment connecting rods 11, the two height adjustment connecting rods 11 are respectively inserted in two insertion seats 15 in up and down directions, the two angle adjustment connecting rods 10 are respectively inserted in top ends of the two height adjustment connecting rods 11 in front and back directions, front ends of the two angle adjustment connecting rods 10 are hinged with the poking chain set, the insertion seat 15 is respectively screwed with a locking bolt one, the locking bolt one is screwed to lock the height position of the height adjustment connecting rod 11 in the insertion seat 15, the height adjustment connecting rod 11 is respectively screwed with a locking bolt two in the top, the locking bolt two is screwed to lock the extension amount of the angle adjustment connecting rod 10 in the height adjustment connecting rod 11, the extension amount of the two angle adjustment connecting rods 10 in the two height adjustment connecting rods 11 is adjusted, and then the inclination angle of the poking chain set in the horizontal plane relative to the advancing direction can be adjusted.

[0023] The poking chain set comprises a driving motor 18, a mounting rod, a chain and two chain wheels, the two chain wheels are rotatably installed on the top surface of the mounting rod and located at two ends of the length direction of the mounting rod, the chain is sleeved on the two chain wheels, the driving end of the driving motor 18 is drivingly connected with any chain wheel, the driving motor 18 is operated to drive the chain to rotate through the chain wheel to perform the poking, the front end of the angle adjustment connecting rod 10 is hinged with the mounting rod, the hinge length of the angle adjustment connecting rod 10 and the mounting rod is adjustable, and the angle adjustment requirement of the poking chain set can be met.

[0024] When the different varieties of plants are cut, the lifting amount of the height adjustment connecting rod 11 is adjusted according to the height of the plants to be cut, so that the plants cut down can be stably pushed by the poking chain set, in addition, the inclination angle of the poking chain set can be adjusted according to the plant size of the plants cut by the stubble, so that the plants cut down can be reliably pushed by the poking chain set to be dumped to the specified direction.

[0025] The machine frame 2 is fixedly provided with a plurality of shock absorbing connecting seats 3, each shock absorbing connecting seat 3 comprises a supporting rod, two fixed rods and two shock absorbing springs, the lower ends of the two fixed rods are fixedly connected with the machine frame 2, the shock absorbing springs are inserted on the upper ends of the two fixed rods, the supporting rod is installed between the two fixed rods and is pressed on the shock absorbing springs, the shaft body of the transmission shaft 4 is installed on the supporting rod through the bearing, when the stubble machine is operated and the ground is uneven, the shock absorbing connecting seat 3 will be deformed under the vibration to reduce the influence of the vibration on the transmission shaft 4, and the stable operation of the transmission shaft 4 can be ensured.

[0026] The machine body 1 comprises an engine 19, a gearbox 20, a walking system 21 and a control system 22, the output end of the engine 19 is drivingly connected with the input end of the gearbox 20, one output end of the gearbox 20 is drivingly connected with the walking system 21, and the other output end of the gearbox 20 is drivingly connected with the transmission shaft 4, the control system 22 is controlly connected with the engine 19 and the gearbox 20, the engine 19 can be started and stopped by operating the control system 22, and the driving connection or disconnection between the gearbox 20 and the transmission shaft 4 can be controlled by operating the control system 22, the control system 22 is a known technology in the technical field at present and is widely used in various hand-held agricultural machinery.

[0027] The saw blade 8 is disc-shaped, and an angle a is formed between the plane where the saw blade 8 is located and the plane where the ground is located, the value of the angle a can be selected according to the plant growth conditions of the specific to-be-worked land, when a≠0, the obliquely arranged saw blade 8 can effectively improve the problem that the plants cannot be cut due to lodging, and when a=0, the tilt angle a is determined by the oblique relationship between the output end running shaft of the adapter assembly 5 and the ground.

[0028] Working principle: Before the mower is used, the ground clearance of the saw blade 8 is adjusted according to the stubble height required by the type of the plants to be stubble-cut and the ground flatness of the to-be-worked area; the height of the material pushing chain set is adjusted according to the plant height of the to-be-cut plants, so that the material pushing chain set can push and push the cut-down plants, and the inclination angle of the material pushing chain set and the forward direction is adjusted according to the plant size of the to-be-pushed plants, so that the working requirements are met.

[0029] When the stubble-cutting operation is performed, the engine 19 of the machine body 1 is started to begin running, the machine body 1 is pushed to start moving in the working direction, the walking system 21 supports the whole mower to walk, the saw blade 8 is driven to start rotating by operating the control system 22 through the gearbox 20, the transmission shaft 4 and the adapter assembly 5, and the material pushing chain set is driven to rotate by starting the driving motor 18 to run, the mower continuously cuts plants with the rotating saw blade 8, and the material pushing chain set pushes and pushes the cut-down plants to dump in the specified direction.

[0030] When the ground clearance of the saw blade 8 is adjusted, the adjusting bolt is unscrewed to adjust the height position of the sleeve 12 on the rack 2, after the position is determined, the adjusting bolt is screwed and installed on the sleeve 12 again, and the relative position of the sleeve 12 and the rack 2 is locked.

[0031] When the position of the chain group is adjusted, when the height is adjusted, the locking bolt one on the plug-in seat 15 is loosened, the height adjusting connecting rod 11 is pulled to the required height, the locking bolt one is tightened to tighten the height adjusting connecting rod 11, and the two height adjusting connecting rods 11 are adjusted to the same height; when the inclination angle is adjusted, the locking bolt two at the top of the height adjusting connecting rod 11 is loosened, the angle adjusting connecting rod 10 is pulled to the appropriate length, and then the locking bolt two is tightened, and the two angle adjusting connecting rods 10 are adjusted to the required angle.

[0032] The shock absorbing connecting seat 3 is deformed by the buffer spring when encountering bumps in the stubble cutting operation, the impact of the bumps on the transmission shaft 4 is buffered, the transmission shaft 4 is protected, the operation safety of the stubble cutter is improved, and the service life of the equipment is prolonged.

[0033] The above only describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A coarse-feathering machine with terrain-following lifting and lowering function, characterized in that: The machine includes a body (1), a frame (2), a drive shaft (4), a transfer assembly (5), a feeding mechanism (6), a saw blade (8), and an adjusting bracket (9). The body (1) is fixedly mounted on the operating end of the frame (2). The transfer assembly (5) is mounted on the working end of the frame (2) via the adjusting bracket (9). One end of the drive shaft (4) is connected to the output end of the drive assembly of the body (1) via a coupling. The other end of the drive shaft (4) is connected to the input end of the transfer assembly (5) via a coupling. The saw blade (8) is fixedly mounted on the output end of the transfer assembly (5). A safety cover (7) is partially enclosed around the saw blade (8). The feeding mechanism (6) is detachably and fixedly mounted on the working end of the frame (2) and located above the saw blade (8).

2. The coarse-feathering machine with terrain-following lifting capability according to claim 1, characterized in that: Two sleeve rods (14) are vertically erected at the working end of the frame (2). Each sleeve rod (14) has a through-slide groove running vertically. Two upright rods (16) are fixedly installed at the front end of the adjusting bracket (9). The two upright rods (16) abut against the rear walls of the two sleeve rods (14). Insert rods protrude from the front walls of the two upright rods (16) that are in contact with the sleeve rods (14). The two insert rods are slidably inserted into the two slide grooves. Insertion seats (15) are fixedly installed on the front face of each insertion rod. The rear wall of the seat (15) slides against the front wall of the sleeve rod (14). A crossbar is fixed between the two insert seats (15). The adapter assembly (5) is fixedly installed on the crossbar. A sliding sleeve (12) is erected at the rear end of the adjusting bracket (9). The sliding sleeve (12) slides onto the adjusting rod fixedly installed on the frame (2). Adjusting bolts are screwed onto the side wall of the sliding sleeve (12). Multiple screw holes are arranged longitudinally on the adjusting sleeve. The working end of the adjusting bolt is intermittently screwed into any screw hole. A universal wheel (13) is installed at the bottom of the sliding sleeve (12).

3. A coarse cutting machine with terrain-following lifting capability according to claim 2, characterized in that: The feeding mechanism (6) includes a feeding chain assembly, two angle adjustment links (10) and two height adjustment links (11). The two height adjustment links (11) are respectively inserted into two insertion seats (15) along the vertical direction. The two angle adjustment links (10) are respectively inserted into the top of the two height adjustment links (11) along the front-back direction. The front ends of the two angle adjustment links (10) are hinged to the feeding chain assembly. A locking bolt is screwed on each insertion seat (15), and a locking bolt is screwed on the top of each height adjustment link (11).

4. A coarse-feathering machine with terrain-following lifting capability according to claim 3, characterized in that: The feeding chain assembly includes a drive motor (18), a mounting rod, a chain, and two sprockets. Both sprockets are rotatably mounted on the top surface of the mounting rod and located at both ends of the length of the mounting rod. The chain is fitted onto the two sprockets. The drive end of the drive motor (18) is connected to either sprocket. When the drive motor (18) is running, it drives the chain to rotate through the sprockets to feed the material. The front ends of the two angle adjustment rods (10) are hinged to the mounting rod.

5. A coarse-feathering machine with terrain-following lifting capability according to claim 4, characterized in that: Multiple vibration damping connecting seats (3) are fixedly installed on the frame (2). Each vibration damping connecting seat (3) includes a support rod, two fixed rods and two damping springs. The lower ends of the two fixed rods are fixedly connected to the frame (2). A damping spring is inserted into the upper end of each fixed rod. The support rod is mounted between the two fixed rods and pressed onto the damping spring. The drive shaft (4) is mounted on the support rod.

6. A coarse-feathering machine with terrain-following lifting capability according to claim 5, characterized in that: The body (1) includes an engine (19), a gearbox (20), a walking system (21), and a control system (22). The output end of the engine (19) is drivenly connected to the input end of the gearbox (20). One output end of the gearbox (20) is connected to the walking system (21) via transmission. The other output end of the gearbox (20) is connected to the drive shaft (4) via transmission. The control system (22) is controlled by the engine (19) and the gearbox (20).

7. A coarse-feathering machine with terrain-following lifting capability according to claim 6, characterized in that: The saw blade (8) is disc-shaped, and the plane of the saw blade (8) is set at an angle α with the plane of the ground.