High-strength light-weight chassis for mini-tiller

Abstract

The high-strength light-weight chassis comprises a bottom beam, side edge beams are fixedly arranged on the two sides of the bottom beam, a cavity is formed in the bottom beam, an elastic cushion layer is fixedly arranged at the position, close to the middle, in the bottom beam, a cavity is formed in the elastic cushion layer, and a U-shaped support is fixedly arranged in the elastic cushion layer; aluminum alloy honeycomb supporting frames are fixedly arranged at the top and the bottom of the elastic cushion layer, energy absorption columns are fixedly arranged on the opposite sides of the upper bottom beam and the lower bottom beam, and cavities are formed in the energy absorption columns. According to the high-strength light-weight chassis for the mini-tiller, the energy absorption columns, the energy absorption rings, the damping columns, the elastic rubber rods, the friction guide wheels, the energy absorption springs and the damping plates are arranged, so that the high-strength light-weight chassis for the mini-tiller has good damping and buffering performance in use, vibration borne by the chassis during use can be absorbed and buffered, bumping is reduced, and convenience is brought to a user.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of micro tiller, in particular to a high-strength lightweight chassis for micro tiller. BACKGROUND

[0002] A micro tiller is a small agricultural machine mainly used for plowing, loosening soil and weeding on small areas of land. The chassis structure of a micro tiller is its core part, as it supports the weight of the entire machine and provides a platform for its movement. A good chassis structure design is crucial for ensuring the stability, durability and ease of operation of a micro tiller.

[0003] The comparative file "a high-strength lightweight chassis structure for micro tiller", publication number (CN117441439A), through the side plate, reinforcing plate and walking wheel installation constitutes a frame structure, realizes the lightweight of the chassis, at the same time, the structure is compact, can effectively improve the overall strength of the chassis, and improve the stability of walking wheel installation shaft, so as to use the micro tiller stably in various environments. The high-strength lightweight chassis structure for micro tiller sets a fixed plate at the fixed part of the gearbox assembly, and stabilizes and supports the gearbox assembly through the connecting plate, connecting rod and stabilizing frame, thereby improving the strength of the stress part and increasing the overall structural strength of the chassis.

[0004] However, the high-strength lightweight chassis lacks corresponding noise reduction and buffering mechanisms during use, resulting in a hard and noisy chassis during actual use, which brings inconvenience to users and cannot meet the users' usage requirements. SUMMARY

[0005] The present application aims to provide a high-strength lightweight chassis for micro tiller to solve the problem of the high-strength lightweight chassis lacking corresponding noise reduction and buffering mechanisms during use, resulting in a hard and noisy chassis during actual use, which brings inconvenience to users and cannot meet the users' usage requirements.

[0006] In order to achieve the above object, the present application provides the following technical scheme: A high-strength lightweight chassis for a mini-tiller, comprising a bottom beam, side edge beams fixedly arranged on both sides of the bottom beam, a cavity formed in the bottom beam, a resilient pad layer fixedly arranged at the middle position in the bottom beam, a cavity formed in the resilient pad layer, a U-shaped support fixedly arranged in the resilient pad layer, aluminum alloy honeycomb support frames fixedly arranged on the top and bottom of the resilient pad layer, energy-absorbing columns fixedly arranged on the opposite sides of the upper and lower bottom beams, a cavity formed in the energy-absorbing column, a damping column fixedly arranged in the energy-absorbing column, an energy-absorbing ring sleeved on the outer surface of the damping column, a cavity formed in the energy-absorbing ring, shock-absorbing cotton fixedly arranged in the energy-absorbing ring, sound-absorbing cotton fixedly arranged in the shock-absorbing cotton, grooves formed at the top and bottom positions on the opposite sides of the two side edge beams, tire mounting shafts fixedly arranged on the opposite sides of the two grooves, shock-absorbing rings sleeved on the outer surfaces of the tire mounting shafts, notches formed in the inner walls of the two shock-absorbing rings, connecting frames arranged in the notches, rubber wheels movably arranged in the notches on the opposite sides of the two connecting frames through rotating shafts, the opposite sides of the two rubber wheels being in contact with the tire mounting shafts, elastic rubber rods fixedly arranged on both sides in the notches, friction guide wheels fixedly arranged at the two side positions on the opposite sides of the two connecting frames, the opposite sides of the two friction guide wheels being in contact with the elastic rubber rods, energy-absorbing springs fixedly arranged at the middle positions on the opposite sides of the two connecting frames, the opposite sides of the two energy-absorbing springs being fixedly connected with the inner walls of the notches, a noise reduction plate fixedly arranged at the bottom of the side edge beam, anti-collision beams fixedly arranged on the top and bottom of the noise reduction plate, a cavity formed in the noise reduction plate, a polyester fiber plate fixedly arranged in the noise reduction plate, sound-absorbing holes formed in the polyester fiber plate, honeycomb sound-absorbing plates fixedly arranged in the sound-absorbing holes, three damping plates inlaid in the polyester fiber plate, hollow grooves formed in the damping plates, and glass wool blocks fixedly arranged in the hollow grooves.

[0007] Further, the number of the bottom beams is three, and the three bottom beams are equidistantly arranged.

[0008] Further, mounting holes are formed in the front surfaces of the bottom beam and the side edge beam, and the mounting holes are integrally arranged with the bottom beam and the side edge beam.

[0009] Further, the opposite sides of the two aluminum alloy honeycomb support frames are fixedly connected with the inner walls of the bottom beam.

[0010] Further, the number of the energy-absorbing rings is several, and the energy-absorbing rings are equidistantly arranged between every two energy-absorbing rings, and the energy-absorbing rings are fixedly connected with the energy-absorbing column.

[0011] Furthermore, mounting plates are fixedly provided on opposite sides of the two tire mounting shafts, and locking holes are provided on opposite sides of the two mounting plates.

[0012] Furthermore, guide rods can be fixedly provided at the top and bottom positions of opposite sides of the two mounting plates, and opposite sides of the two guide rods are fixedly connected to the shock-absorbing ring.

[0013] Compared with the prior art, the present invention has the following beneficial effects: The micro-tillage machine uses a high-strength and lightweight chassis. By arranging energy-absorbing columns, energy-absorbing rings, damping columns, elastic rubber rods, friction guide wheels, energy-absorbing springs, and damping plates, the invention has good shock-absorbing and buffering performance when in use. It can absorb and buffer the vibrations to which the device is subjected during use, thereby reducing bumps and bringing convenience to the user. The micro-tillage machine uses a high-strength and lightweight chassis. By arranging sound-absorbing cotton, damping plates, polyester fiber boards, honeycomb sound-absorbing boards and glass wool blocks, the present invention can absorb and reduce noise when in use, thereby reducing the noise generated during operation of the device, reducing the harm caused by the noise to the user, and bringing convenience to the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a cross-sectional view of the structure of the present invention; Figure 3 is a cross-sectional view of the bottom beam of the present invention; Figure 4 is a cross-sectional view of the energy-absorbing column of the present invention; Figure 5 is a cross-sectional view of the noise reduction plate of the present invention; Figure 6 for Figure 2 A partial enlarged schematic diagram; Figure 7 for Figure 3 A partial enlarged schematic diagram of B in the middle; Figure 8 for Figure 4 A partial enlarged schematic diagram of center C; Figure 9 for Figure 5 A partial enlarged schematic diagram of D in the middle; Figure 10 is a schematic diagram of the keyhole of the present invention; Figure 11 is a side sectional view of the shock absorbing ring of the present invention; Figure 12 for Figure 11 A partial enlarged schematic diagram of E in the middle; Figure 13 It is a top cross-sectional view of the energy absorbing ring of the present invention.

[0015] In the figure: 1, bottom beam; 2, side beam; 3, elastic cushion layer; 4, U-shaped support; 5, aluminum alloy honeycomb support frame; 6, energy-absorbing column; 7, damping column; 8, energy-absorbing ring; 9, shock-absorbing cotton; 10, sound-absorbing cotton; 11, tire mounting shaft; 12, shock-absorbing ring; 13, notch; 14, connecting frame; 15, rubber wheel; 16, elastic rubber rod; 17, friction guide wheel; 18, anti-collision beam; 19, energy-absorbing spring; 20, noise reduction plate; 21, polyester fiber plate; 22, sound hole; 23, honeycomb sound reduction plate; 24, damping plate; 25, hollow groove; 26, glass wool block; 27, mounting hole; 28, mounting disc; 29, lock hole; 30, guide rod; 31, groove. DETAILED DESCRIPTION

[0016] The application will be further described in conjunction with the accompanying drawings and by specific embodiments, the following embodiments are only descriptive, not limiting the protection scope of the application.

[0017] Please refer to Figures 1-13The application provides a high-strength and light-weight chassis for a mini-tiller, which comprises a bottom beam 1, side edge beams 2 fixedly arranged on both sides of the bottom beam 1, a cavity formed in the bottom beam 1, a resilient cushion layer 3 fixedly arranged at the middle position in the bottom beam 1, a U-shaped support 4 arranged on the resilient cushion layer 3, an aluminum alloy honeycomb support frame 5 fixedly arranged on the top and bottom of the U-shaped support 4, energy-absorbing columns 6 fixedly arranged on the opposite sides of the two bottom beams 1, a cavity formed in the energy-absorbing column 6, a damping column 7 fixedly arranged in the energy-absorbing column 6, an energy-absorbing ring 8 sleeved on the outer surface of the damping column 7, a cavity formed in the energy-absorbing ring 8, shock-absorbing cotton 9 fixedly arranged in the energy-absorbing ring 8, sound-absorbing cotton 10 fixedly arranged in the shock-absorbing cotton 9, recesses 31 formed at the top and bottom positions on the opposite sides of the two side edge beams 2, tire mounting shafts 11 fixedly arranged on the opposite sides of the two recesses 31, shock-absorbing rings 12 sleeved on the outer surfaces of the tire mounting shafts 11, grooves 13 formed in the inner walls of the two shock-absorbing rings 12, connecting frames 14 arranged in the grooves 13, rubber wheels 15 arranged on the connecting frames 14, the rubber wheels 15 movably arranged in the grooves 13 through rotating shafts, the two rubber wheels 15 in contact with the tire mounting shafts 11, elastic rubber rods 16 fixedly arranged on the two sides of the grooves 13, friction guide wheels 17 arranged on the two sides of the connecting frames 14, the two friction guide wheels 17 in contact with the elastic rubber rods 16, energy-absorbing springs 19 arranged at the middle positions on the opposite sides of the two connecting frames 14, the two energy-absorbing springs 19 in fixed connection with the inner walls of the grooves 13, a noise reduction plate 20 fixedly arranged on the bottom of the side edge beam 2, a crash beam 18 fixedly arranged on the top and bottom of the noise reduction plate 20, a cavity formed in the noise reduction plate 20, a polyester fiber plate 21 fixedly arranged in the noise reduction plate 20, sound-absorbing holes 22 formed in the polyester fiber plate 21, and honeycomb sound-absorbing plates 23 fixedly arranged in the sound-absorbing holes 22.The honeycomb muffler panel 23 is used for sound absorption. The polyester fiber panel 21 is embedded with three damping panels 24. The damping panels 24 can reduce noise caused by vibration. The damping panels 24 have hollow grooves 25 formed inside. The hollow grooves 25 are used to install corresponding components. Glass wool blocks 26 are fixed inside the hollow grooves 25 to absorb sound.

[0018] Furthermore, the total number of bottom beams 1 is three, and the three bottom beams 1 are designed to be equidistant from each other, wherein the bottom beams 1 serve as bottom supports.

[0019] Furthermore, mounting holes 27 are provided on the front surfaces of the bottom beam 1 and the side beams 2 . The mounting holes 27 are integrated with the bottom beam 1 and the side beams 2 , and the mounting holes 27 are used to install corresponding components.

[0020] Furthermore, the opposite sides of the two aluminum alloy honeycomb support frames 5 are fixedly connected to the inner wall of the bottom beam 1 , wherein the aluminum alloy honeycomb support frames 5 can reduce weight and enhance supporting force.

[0021] Furthermore, there are several energy absorbing rings 8 , and every two energy absorbing rings 8 are designed to be equidistant from each other. The energy absorbing rings 8 are fixedly connected to the energy absorbing columns 6 , wherein the energy absorbing rings 8 are used to set corresponding components.

[0022] Furthermore, mounting plates 28 are fixedly provided on opposite sides of the two tire mounting shafts 11, and locking holes 29 are provided on opposite sides of the two mounting plates 28. The mounting plates 28 are used to mount tires, and the locking holes 29 facilitate locking of the tires.

[0023] Furthermore, guide rods 30 can be fixedly installed at the top and bottom positions on the opposite sides of the two mounting plates 28, and the opposite sides of the two guide rods 30 are fixedly connected to the shock-absorbing ring 12, wherein the guide rods 30 facilitate transmitting the vibration to the shock-absorbing ring 12 for absorption.

[0024] Working principle: When the present invention is in use, when the energy absorbing column 6 is subjected to a vibration impact, the vibration will be transmitted to the energy absorbing ring 8. The energy absorbing ring 8 is provided with an energy absorbing column 6, which will absorb the vibration. When the tire is running, the vibration will be transmitted to the shock-absorbing ring 12 through the guide rod 30, and the tire mounting shaft 11 that runs synchronously with the tire will synchronously transmit the vibration. In this way, the vibration will drive the rubber wheel 15 on the shock-absorbing ring 12 to move, which will drive the connecting frame 14 to move. The movement of the connecting frame 14 will drive the energy absorbing spring 19 to perform compression and buffering, thereby absorbing more vibrations, and when the connecting frame 14 moves, it will synchronously drive the friction guide wheel 17 to move and rub against the elastic rubber rod 16, thereby absorbing the vibration and further reducing the vibration.

[0025] According to the above working process, we can know: The micro tiller uses a high-strength light-weight chassis, and through the setting of the energy-absorbing column 6, the energy-absorbing ring 8, the damping column 7, the elastic rubber rod 16, the friction guide wheel 17, the energy-absorbing spring 19 and the damping plate 24, the application has good shock absorption and buffering performance when in use, can absorb and buffer the vibration received by the device when in use, thereby reducing the bumping, bringing convenience to the user, through the setting of the sound-absorbing cotton 10, the damping plate 24, the polyester fiber plate 21, the honeycomb sound-absorbing plate 23 and the glass wool block 26, the application can absorb and reduce noise when in use, thereby reducing the noise that occurs when the device is running, reducing the harm caused by noise to the user, and bringing convenience to the user.

[0026] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high-strength and lightweight chassis for a micro-tillage machine, comprising a bottom beam (1), characterized in that: Side beams (2) are fixedly provided on both sides of the bottom beam (1), a cavity is provided inside the bottom beam (1), a spring pad layer (3) is fixedly provided at a middle position inside the bottom beam (1), a cavity is provided inside the spring pad layer (3), a U-shaped support (4) is fixedly provided inside the spring pad layer (3), an aluminum alloy honeycomb support frame (5) is fixedly provided on the top and bottom of the spring pad layer (3), an energy absorbing column (6) is fixedly provided on the opposite side of the upper and lower bottom beams (1), a cavity is provided inside the energy absorbing column (6), a damping column (7) is fixedly provided inside the energy absorbing column (6), and the outer surface of the damping column (7) is sleeved with An energy absorbing ring (8) is provided with a cavity inside the energy absorbing ring (8), a shock-absorbing cotton (9) is fixedly provided inside the energy absorbing ring (8), a sound-absorbing cotton (10) is fixedly provided inside the shock-absorbing cotton (9), grooves (31) are provided at the top and bottom positions of the opposite sides of the two side beams (2), tire mounting shafts (11) are fixedly provided on the opposite sides of the two grooves (31), a shock-absorbing ring (12) is provided on the outer surface of the tire mounting shaft (11), a notch (13) is provided around the inner wall of the two shock-absorbing rings (12), a connecting frame (14) is provided inside the notch (13), and the two connecting frames (14) are opposite to each other. The sides of the two connecting frames (14) extend to the inside of the slot (13) and are provided with rubber wheels (15) through a rotating shaft. The opposite sides of the two rubber wheels (15) are in contact with the tire mounting shaft (11). The two sides of the slot (13) are fixed with elastic rubber rods (16). The two connecting frames (14) are fixed with friction guide wheels (17) at the positions on both sides of the opposite sides. The two friction guide wheels (17) are in contact with the elastic rubber rods (16). The two connecting frames (14) are fixed with energy absorbing springs (19) at the middle positions of the opposite sides. The opposite sides of the two energy absorbing springs (19) are fixedly connected to the inner wall of the slot (13). The side beams (2 ) is fixedly provided with a noise reduction plate (20) at the bottom, and anti-collision beams (18) are fixedly provided at the top and bottom of the noise reduction plate (20), a cavity is provided inside the noise reduction plate (20), a polyester fiber plate (21) is fixedly provided inside the noise reduction plate (20), a sound-absorbing hole (22) is provided inside the polyester fiber plate (21), a honeycomb sound-absorbing plate (23) is fixedly provided inside the sound-absorbing hole (22), three damping plates (24) are inlaid inside the polyester fiber plate (21), a hollow groove (25) is provided inside the damping plate (24), and a glass wool block (26) is fixedly provided inside the hollow groove (25).

2. The high-strength and lightweight chassis for a micro-tillage machine according to claim 1, characterized in that: The total number of bottom beams (1) is three, and the three bottom beams (1) are designed to be equidistant from each other.

3. The high-strength and lightweight chassis for a micro-tillage machine according to claim 1, characterized in that: The front surfaces of the bottom beam (1) and the side beam (2) are both provided with mounting holes (27), and the mounting holes (27) are integrated with the bottom beam (1) and the side beam (2).

4. The high-strength and lightweight chassis for a micro-tillage machine according to claim 1, characterized in that: The two aluminum alloy honeycomb support frames (5) are fixedly connected to the inner wall of the bottom beam (1) on opposite sides.

5. The high-strength and lightweight chassis for a micro-tillage machine according to claim 1, characterized in that: The energy absorbing rings (8) are provided in a number, and every two energy absorbing rings (8) are designed to be equidistant from each other. The energy absorbing rings (8) are fixedly connected to the energy absorbing columns (6).

6. The high-strength and lightweight chassis for a micro-tillage machine according to claim 1, characterized in that: Mounting plates (28) are fixedly provided on opposite sides of the two tire mounting shafts (11), and locking holes (29) are provided on opposite sides of the two mounting plates (28).

7. The high-strength and lightweight chassis for a micro-tillage machine according to claim 6, characterized in that: Guide rods (30) can be fixedly arranged at the top and bottom positions of the opposite sides of the two mounting plates (28), and the opposite sides of the two guide rods (30) are fixedly connected to the shock absorbing ring (12).

Images