A conveying device for a single-bud sugarcane planter

Abstract

The present invention discloses a conveying device for a single-bud sugarcane planter, which relates to the technical field of agricultural machinery and includes a sugarcane seed box. A hydraulic driving mechanism and a sprocket transmission mechanism are arranged below the sugarcane seed box. The sprocket transmission mechanism includes more than one set of sprocket-chain groups. The hydraulic driving mechanism is connected to the first sprocket-chain group. The sprockets of the sprocket-chain groups have the same size. Baffles are fixedly arranged on the outer sides of the chain links of the sprocket-chain groups. The baffles are provided with a compensation bending angle towards the inner side of the chain, so that there is no gap along the circumferential direction of the sprocket arc surface between the baffles when the baffles rotate to the sprocket arc surface. A scraper is also included. The scraper is vertically fixedly arranged on the outer side of the baffle, and the direction of the scraper opening is consistent with the moving direction of the chain. The device provided by the present invention can be flexibly adjusted according to different seeding amounts, has stable conveying, and meets the requirement of avoiding damage to single-bud sugarcane seeds during the conveying process.

Description

Technical Field

[0001] The present invention relates to the technical field of agricultural machinery, and in particular to a conveying device for a single-bud sugarcane planter. Background Art

[0002] The single-bud sugarcane conveying device uses a ground wheel and a driving wheel to drive a guide wheel or a synchronous wheel for transmission. The seeding rate adjustment can only be carried out by replacing the size of the ground wheel or the guide wheel and the synchronous wheel.

[0003] Due to the use of a ground wheel or a driving wheel for driving, the speed adjustment can only be achieved by replacing two components. However, the torque transmitted by the guide wheel or the synchronous wheel is limited, and slippage is likely to occur during the torque transmission process, affecting the conveying volume of the single-bud sugarcane seeds and the working stability of the entire conveying device, etc.

[0004] In addition, when conveying sugarcane bud seeds, damage to single-bud sugarcane often occurs due to reasons of the conveying equipment. Summary of the Invention

[0005] Aiming at the problems existing in the prior art, the present invention provides a conveying device for a single-bud sugarcane planter, which can be flexibly adjusted to adapt to different seeding rates, has stable conveying, and meets the requirement of avoiding damage to single-bud sugarcane seeds during the conveying process.

[0006] To achieve the above-mentioned invention purpose, the technical solution of the present invention is as follows:

[0007] A conveying device for a single-bud sugarcane planter includes a sugarcane seed box. A hydraulic driving mechanism and a sprocket transmission mechanism are arranged below the sugarcane seed box. The sprocket transmission mechanism includes more than one set of sprocket and chain groups. The hydraulic driving mechanism is connected to one of the sprocket and chain groups. The sprockets of the sprocket and chain groups have the same size. A baffle is fixedly arranged on the outer side of the chain link of the sprocket and chain group. The baffle is provided with a compensation bending angle towards the inner side of the chain, so that there is no gap along the circumferential direction of the sprocket arc surface between the baffles when the baffle rotates to the sprocket arc surface. The device further includes a scraper, and the scraper is vertically fixedly arranged on the outer side of the baffle, and the direction of the scraper opening is consistent with the movement direction of the chain.

[0008] Further, the cross-section of the seed-taking scraper is "U" shaped.

[0009] Further, the hydraulic driving mechanism includes a motor seat and a hydraulic motor. The hydraulic motor is installed on the motor seat, and the motor seat is installed on the sprocket transmission mechanism.

[0010] Further, the sprocket transmission mechanism includes more than two sets of sprocket and chain groups, and a connecting shaft is arranged between the sprocket and chain groups.

[0011] Further, the sprocket transmission mechanism is arranged parallel to the blanking inclined plane of the sugarcane seed box.

[0012] Further, an arc-shaped guide plate is provided at the bottom sugarcane seed outlet of the sugarcane seed box, and the radius of the arc-shaped guide plate is adapted to the arc-shaped trajectory formed by the top end of the scraping plate when the scraping plate rotates to the arc surface of the sprocket wheel.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The power device of the present invention adopts hydraulic control, and the rotation speed of the sprocket wheel can be randomly adjusted by hydraulic pressure, so as to meet the requirements of different seeding amounts without replacing or adjusting mechanical equipment;

[0015] 2. The transmission system of the present invention adopts a chain drive method, with stable output, ensuring the working stability of the conveying device;

[0016] 3. A baffle is fixedly arranged on the outer side of the chain link of the chain of the present invention, and a compensation bending angle is arranged on the baffle towards the inner side of the chain, so that there is no gap along the circumferential direction of the arc surface of the sprocket wheel between the baffles when the baffle rotates to the arc surface of the sprocket wheel, ensuring that when the scraping plate picks up seeds, single-bud sugarcane seeds are not damaged;

[0017] 4. The "U"-shaped scraping plate can effectively control the feeding rate and feeding stability of sugarcane seeds. During operation, the "U"-shaped scraping plate can fix the sugarcane seeds upright on the scraping plate and take them out of the sugarcane seed box, and remove the excess sugarcane seeds that are placed on the edge of the "U"-shaped scraping plate;

[0018] 5. The sprocket wheel transmission mechanism of the present invention is arranged parallel to the blanking inclined plane of the sugarcane seed box, preventing sugarcane seeds from falling from the top end of the scraping plate or being squeezed by the conveying to the gap between the blanking inclined plane and the sprocket wheel transmission mechanism during the movement of the scraping plate, reducing the loss of sugarcane seeds. Description of the Drawings

[0019] Figure 1 It is a schematic structural diagram of an embodiment of the present invention;

[0020] Figure 2 It is a schematic diagram of the positional relationship between the sprocket wheel transmission mechanism and the sugarcane seed box in an embodiment of the present invention;

[0021] Figure 3 It is a schematic diagram of a single-bud sugarcane seed being damaged by the extrusion of the baffle;

[0022] Figure 4 It is a schematic diagram of the bending angle of the baffle in an embodiment of the present invention;

[0023] Figure 5 It is a schematic diagram of the structure of the scraping plate and the baffle in an embodiment of the present invention;

[0024] Figure 6 It is a schematic diagram of the working state of the "U"-shaped scraping plate in an embodiment of the present invention.

[0025] In the figure, 1 is a cane seed box, 2 is a sprocket drive mechanism, 3 is a scraper, 4 is a baffle, 5 is a motor base, 6 is a hydraulic motor, 7 is a connecting shaft, 8 is a blanking inclined plane, 9 is an arc-shaped guide plate, and 10 is a speed control valve. Specific implementation manner

[0026] To describe in detail the technical content, achieved purpose and effects of the present invention, the following is described in conjunction with embodiments and with reference to the accompanying drawings.

[0027] As Figure 1 、 Figure 2 shown, the embodiment of the present invention provides a conveying device for a single-bud sugarcane planter, including a cane seed box 1. A hydraulic drive mechanism and a sprocket drive mechanism 2 are arranged below the cane seed box 1. The sprocket drive mechanism 2 includes two sets of sprocket and chain groups. The sprockets of the sprocket and chain groups have the same size. A connecting shaft 7 is arranged between the two sets of sprocket and chain groups to ensure the synchronous rotation speed of the two sets of sprocket and chain groups. The hydraulic drive mechanism is connected to one of the sprocket and chain groups, and the rotation speed of the sprocket of the sprocket and chain group can be randomly adjusted by controlling the rotation speed of the hydraulic drive mechanism, so as to meet the requirements of different seeding amounts without replacing or adjusting mechanical equipment; at the same time, the chain drive mode is adopted, and the output is stable, ensuring the working stability of the conveying device. A baffle 4 is fixedly arranged on the outer side of the chain link. When the baffle 4 rotates to the arc surface of the sprocket, a gap will appear circumferentially along the arc surface of the sprocket between the baffles 4, and the single-bud sugarcane seeds will fall into the gap between the baffles 4 and be damaged by extrusion, as Figure 3 shown. For this reason, the baffle 4 is extended along the rotation direction of the sprocket, and a compensation bending angle is arranged towards the inner side of the chain, so that the end of the extended part of the baffle 4 is located inside the adjacent baffle 4 along the rotation direction of the sprocket, as Figure 4 shown. When the baffle 4 rotates to the arc surface of the sprocket, there is a certain included angle between the adjacent baffles 4, and the angle is ∠α. Before the baffle 4 is extended, the projection of the baffle gap along the rotation direction of the sprocket is f1, and the projection of the extended length of the baffle 4 along the rotation direction of the sprocket is f2. As long as f2 > f1, it can be ensured that there is no gap circumferentially along the arc surface of the sprocket between the baffles 4 when the baffle 4 rotates to the arc surface of the sprocket, as Figure 5 shown at A in the figure, ensuring that when the scraper picks seeds, the single-bud sugarcane seeds are prevented from falling into the gap and being damaged by extrusion.

[0028] The compensation bending angle of the baffle 4 is ∠β. When the baffle 4 rotates to the arc surface of the sprocket, ∠β can be set to two situations of ∠β≥∠α. When ∠β > ∠α, an angle ∠C appears between the adjacent baffles 4, as Figure 4 shown. Controlling the angle of ∠C within 3 - 5° is a preferred solution to avoid a large gap radially along the arc surface of the sprocket between the baffles 4 when the baffle 4 rotates to the arc surface of the sprocket.

[0029] The device further includes a scraping plate 3, which is vertically and fixedly arranged outside the baffle 4. A scraping plate 3 is arranged every other baffle 4, and the opening direction of the scraping plate 3 is consistent with the moving direction of the chain.

[0030] In this embodiment, the hydraulic drive mechanism includes a motor seat 5, a hydraulic motor 6 and a speed control valve 10. The speed control valve 10 is connected to the hydraulic motor 6 and is used to control the rotation speed of the hydraulic motor 6. The hydraulic motor 6 is installed on the motor seat 5, and the motor seat 5 is installed on the sprocket transmission mechanism 2.

[0031] An arc-shaped guide plate 9 is arranged at the bottom sugarcane seed outlet of the sugarcane seed box 1. The radius of the arc-shaped guide plate 9 is adapted to the arc-shaped track formed by the top end of the scraping plate 3 when the scraping plate 3 rotates to the sprocket arc surface.

[0032] The cross-section of the seed-taking scraping plate 3 is "U" shaped, as Figure 6 described, which can effectively control the feeding rate and feeding stability of sugarcane seeds. During the operation of the "U" shaped scraping plate, sugarcane seeds can be vertically fixed on the scraping plate 3 and taken out from the arc-shaped guide plate 9, and the excess sugarcane seeds hanging on the edge of the "U" shaped scraping plate 1 are excluded.

[0033] The sprocket transmission mechanism 2 is arranged close to and parallel to the falling material inclined surface 8 of the sugarcane seed box 1, which can prevent the sugarcane seed box 1 from having a non-parallel arrangement between the falling material inclined surface 8 and the sprocket transmission mechanism 2. When there is a large distance between the sprocket transmission mechanism 2 and the falling material inclined surface 8, sugarcane seeds are likely to fall from the top end of the scraping plate 3 during the movement of the scraping plate 3 or be transported and squeezed into the gap between the falling material inclined surface 8 of the sugarcane seed box 1 and the sprocket transmission mechanism 2, reducing the loss of sugarcane seeds.

[0034] The working process of the present invention is as follows: Single-bud sugarcane seeds fall from the bottom sugarcane seed outlet of the sugarcane seed box 1 onto the arc-shaped guide plate 9. The top end of the scraping plate 3 slides along the arc-shaped guide plate 9 driven by the chain, takes out the sugarcane seeds from the arc-shaped guide plate 9, and moves along with the chain to transport the single-bud sugarcane seeds from the sugarcane seed box 1 to the guide groove.

[0035] Although the present invention has been described in detail with specific embodiments above, based on the present invention, some modifications or improvements can be made, which are obvious to those skilled in the art. Therefore, these modifications or improvements made without departing from the spirit of the present invention all fall within the scope of protection required by the present invention.

Claims

1. A conveying device for a single-bud sugarcane planter, comprising a sugarcane seed box (1), a hydraulic driving mechanism and a sprocket transmission mechanism (2) are arranged below the sugarcane seed box (1), the sprocket transmission mechanism (2) includes more than one set of sprocket and chain groups, the hydraulic driving mechanism is connected to one of the sprocket and chain groups, and it is characterized in that, The sprockets of the sprocket and chain group have the same size. A baffle plate (4) is fixedly arranged on the outer side of the chain links of the sprocket and chain group. There is a certain angle ∠α between the front ends of adjacent baffle plates (4). The baffle plate (4) extends along the rotation direction of the sprocket and is provided with a compensation bending angle ∠β towards the inner side of the chain. The end of the extended part of the baffle plate (4) is located inside the adjacent baffle plate (4) along the rotation direction of the sprocket, so that there is no gap along the circumferential direction of the sprocket arc surface between the baffle plates (4) when the baffle plate (4) rotates to the sprocket arc surface. The compensation bending angle ∠β > the angle ∠α between the front ends of adjacent baffle plates (4). The angle ∠C between the front end of each baffle plate (4) and the end of the extended part of the adjacent baffle plate (4) is 3 - 5°. It also includes a scraper (3). The scraper (3) is vertically and fixedly arranged on the outer side of the baffle plate (4). The mouth direction of the scraper (3) is consistent with the movement direction of the chain.

2. The conveying device of the single-bud sugarcane planter according to claim 1, wherein The cross-section of the scraper (3) is "U" shaped.

3. The conveying device of the single-bud sugarcane planter according to claim 1, characterized in that, The hydraulic drive mechanism includes a motor seat (5) and a hydraulic motor (6). The hydraulic motor (6) is installed on the motor seat (5), and the motor seat (5) is installed on the sprocket transmission mechanism (2).

4. The conveying device of the single-bud sugarcane planter according to claim 1, characterized in that, The sprocket transmission mechanism (2) includes more than two sprocket and chain groups, and a connecting shaft (7) is arranged between the sprocket and chain groups.

5. The conveying device of the single-bud sugarcane planter according to claim 1, characterized in that, The sprocket transmission mechanism (2) is arranged parallel to the feeding inclined plane (8) of the cane seed box (1).

6. The conveying device of the single-bud sugarcane planter according to claim 1, characterized in that, An arc-shaped guide plate (9) is arranged at the bottom cane outlet of the cane seed box (1). The radius of the arc-shaped guide plate (9) is adapted to the arc-shaped trajectory formed by the top end of the scraper (3) when the scraper (3) rotates to the sprocket arc surface.

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