CN220829067U

CN220829067U - Grain tedding mechanism and device

Info

Publication number: CN220829067U
Application number: CN202322463050.0U
Authority: CN
Inventors: 赵一; 陈宵燕; 吴定恺; 李波拉; 梁腾龙
Original assignee: Wuxi University
Current assignee: Wuxi University
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-04-23
Anticipated expiration: 2033-09-11

Abstract

The utility model provides a grain tedding mechanism and a grain tedding device, and relates to the field of agricultural machinery, comprising a carrier, wherein the carrier is a hollow shell with an opening at the bottom, and a plurality of carrier pulleys are arranged at the bottom of the carrier; the driving part is fixed on the carrier and is used for driving the tedding plate to rotate in the carrier; the middle of the top of the tedding plate is fixedly connected with the output end of the driving part; a plurality of racks are uniformly arranged at the bottom of the tedding plate; the bottom ends of a plurality of racks exceed the bottom ends of the carriers; and the connecting arm is fixedly connected with the carrier and is used for pushing the carrier to move. The utility model provides a grain tedding mechanism and a grain tedding device, which can reduce splashing of grains and extrusion of the grains when the grains are tedded, and avoid economic loss caused by damage of the grains.

Description

Grain tedding mechanism and device

Technical Field

The utility model relates to the field of agricultural machinery, in particular to a grain tedding mechanism and a grain tedding device.

Background

The grains such as rice and the like can be stored after being dried in the sun, and a sunning ground is generally selected for tedding in rural areas. The sunning of a sunning ground requires a great deal of manpower, and the sunning work of the sunning ground needs to carry out the tedding operation of every hour or half hour on grains with dozens of square meters or even hundreds of square meters at high temperature, so as the technology is continuously developed, the mechanical tedding gradually replaces the manual tedding due to the high efficiency.

Chinese patent CN105028628a discloses an automatic grain tedding device comprising: a frame, which is provided with an armrest: the rear wheel mechanism comprises a rear wheel arranged at the rear of the bottom of the frame; the front wheel mechanism is arranged on the frame and comprises a front wheel and a transmission shaft, the front wheel is respectively arranged on two sides of the front part of the frame, and the transmission shaft is connected with the front wheel; the power mechanism is connected with the transmission shaft through the chain wheel mechanism so as to drive the front wheel mechanism to move; and the tedding plate is arranged at the front end of the frame. The automatic grain tedding device can well complete the whole process of automatic tedding of grains. The effective area of the tedding plate is large, and the efficiency is high. The height of the airing rake can be adjusted according to the thickness of the aired grains through the adjusting screw, so that the use requirement is met.

The bottom of the tedding plate is flush and is off the ground when moving, and when tedding for some large grains such as soybeans and corn kernels, the grains at the bottom of the tedding plate are easy to squeeze each other, so that the grains are splashed and broken, and loss is caused.

Based on the above-mentioned problems, it is necessary to provide a grain tedding device, which can reduce the probability of damaging grains during tedding and reduce economic loss.

Disclosure of utility model

The utility model provides a grain tedding device and a driving mechanism, which aim to solve the problem that grains at the bottom of a tedding plate of the existing grain tedding device are easy to splash and crush.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

a grain tedding mechanism, which comprises a main body,

The carrier is a hollow shell with an opening at the bottom, and a plurality of carrier pulleys are arranged at the bottom of the carrier;

The driving part is fixed on the carrier and is used for driving the tedding plate to rotate in the carrier;

The tedding plate is covered in the carrier, and the middle of the top of the tedding plate is fixedly connected with the output end of the driving part; a plurality of racks are uniformly arranged at the bottom of the tedding plate; the bottom ends of a plurality of racks exceed the bottom ends of the carriers;

and the connecting arm is fixedly connected with the carrier and is used for pushing the carrier to move.

In the embodiment, the carrier is made of metal alloy, the bottom of the carrier slides on the ground through the carrier pulley, and the distance between the bottom of the carrier and the ground is kept; the bottom of the tedding plate is in a rake shape, can rotate at a constant speed under the action of the driving part, is closer to the ground relative to the bottom of the carrier, can tedder grains passing through the bottom of the carrier, and can enable the grains to pass through the tedding plate more easily when multiple grains are turned over due to the rake shape, so that the extrusion of the grains during tedding is reduced; meanwhile, the tedding plate is positioned in the carrier during movement, and a small part of splashed grains can fall on the tedding plate, so that the splashing of the grains can be avoided, and the loss is reduced.

When the portable power source is specifically used, the driving part can be connected with an external power source or a portable power source is arranged on the carrier for use, and the use scene and the requirement are specifically seen; the driving part is opened, the driving part drives the tedding plate to rotate, and the connecting arm can move the carrier in a dragging or pushing mode; the movement of the connecting arm may be driven manually or mechanically.

Preferably, the driving part is fixedly arranged on the upper part of the inner wall of the carrier, the driving part is a motor, and the output end of the motor is fixedly connected with the middle of the top of the tedding plate.

Preferably, a gap is reserved in the middle of the bottom of the tedding plate, the output end of the motor penetrates through the top of the tedding plate and enters the gap, and the bottom of the output end of the motor is fixedly connected with the tedding plate through a bolt.

Preferably, a sponge layer is adhered to the inner wall of the carrier.

Preferably, the connecting arm is obliquely arranged, one side of the lower connecting arm is rotationally connected with the carrier, and the rotating axis of the connecting arm is horizontal to the ground.

Further preferably, the connecting arm is rotatably connected to a side portion of the carrier; a connecting arm mounting groove is reserved at the lower end of the connecting arm, and a detachable rotating shaft is arranged in the connecting arm mounting groove; the side part of the carrier is provided with a carrier connecting piece which is in plug-in fit with the connecting arm mounting groove, and a rotating shaft mounting hole for mounting the rotating shaft is reserved in the carrier connecting piece.

Preferably, a connecting arm pulley for sliding the connecting arm is arranged at the bottom of the lower end of the connecting arm.

The application also provides a grain tedding device, which comprises a grain tedding mechanism and a trolley, wherein the trolley is used for driving the grain tedding mechanism to move.

Preferably, the trolley is detachably connected with the higher end of the connecting arm of the grain tedding mechanism; the connecting arm is welded with the connecting position of the trolley, one end of the trolley is provided with a trolley connecting piece, and the trolley connecting piece is detachably connected with the hook.

Preferably, the connecting arm can swing in a horizontal direction relative to the trolley, the range of swing of the connecting arm (3) being-30 DEG-30 deg.

Compared with the prior art, the technical scheme of the utility model has the beneficial effects that:

1. The carrier is used for sleeving the tedding plate, so that grains enter the tedding plate from the lower part of the carrier for tedding, splashing of the grains can be effectively prevented, meanwhile, a sponge layer is arranged in the carrier, splashing grains can be further protected, and economic loss is reduced;

2. The traditional tedding plate is in a pushing mode to carry out tedding, the tedding plate is in a straight plate shape, the height of the tedding plate needs to be adjusted, grains are easy to squeeze at the bottom when the grains are tedded, the grains are damaged or splashed, and economic loss is caused.

Drawings

FIG. 1 is a schematic perspective view of a grain tedding device according to the present utility model;

FIG. 2 is a schematic view of the whole connection structure of the grain tedding device and the driving mechanism according to the present utility model;

Fig. 3 is a schematic perspective view showing the position of a carrier connector of the grain tedding device according to the present utility model;

FIG. 4 is a schematic perspective view of a connecting arm according to the present utility model;

Fig. 5 is a schematic view of the partial structure of the trolley of the present utility model.

Wherein: 1. a carrier; 2. a carrier pulley; 3. a connecting arm; 4. a trolley; 5. a motor; 6. a tedding plate; 7. a sponge layer; 8. a hook; 9. a connecting arm pulley; 10. a carrier connection; 11. a trolley connecting piece; 12. a connecting arm mounting groove; 13. a rotating shaft; 14. and a rotating shaft mounting hole.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent;

For the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions;

it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

Example 1

Referring to fig. 1, 2 and 4, a grain tedding mechanism comprises,

The carrier 1, the carrier 1 is a hollow shell with an opening at the bottom, and a plurality of carrier pulleys 2 are arranged at the bottom of the carrier 1;

A driving part fixed on the carrier 1 for driving the tedding plate 6 to rotate inside the carrier 1;

the tedding plate 6 is covered in the carrier 1, and the middle of the top of the tedding plate 6 is fixedly connected with the output end of the driving part; a plurality of racks are uniformly arranged at the bottom of the tedding plate 6; the bottom ends of the racks exceed the bottom end of the carrier 1;

And the connecting arm 3 is fixedly connected with the carrier 1 and used for pushing the carrier 1 to move.

In the above embodiment, the carrier 1 is made of metal alloy, preferably light aluminum alloy, and the bottom of the carrier 1 slides on the ground through the carrier pulley 2 while keeping the bottom of the carrier 1 spaced from the ground; the bottom of the tedding plate 6 is in a rake shape, can rotate at a constant speed under the action of the driving part, is closer to the ground relative to the bottom of the carrier 1, can tedder grains passing through the bottom of the carrier 1, and can make the grains easier to pass through the tedding plate 6 when multiple grains are turned due to the rake shape, so that the extrusion of the grains during tedding is reduced; meanwhile, the tedding plate 6 is positioned in the carrier during movement, and a small part of splashed grains can fall on the tedding plate 6, so that the splashing of the grains can be avoided, and the loss is reduced.

When the portable power source is specifically used, the driving part can be connected with an external power source or a portable power source is arranged on the carrier for use, and the use scene and the requirement are specifically seen; the driving part is opened, the driving part drives the tedding plate 6 to rotate, and the connecting arm 3 can move the carrier 1 in a dragging or pushing mode; the movement of the connecting arm 3 may be driven manually or mechanically.

As the above embodiment is preferable, in some scenarios, the driving part is fixedly installed at the upper part of the inner wall of the carrier 1, the driving part is a motor 5, and the output end of the motor 5 is fixedly connected with the middle of the top of the tedding plate 6.

As the above embodiment is preferable, in some scenarios, as shown in fig. 1, a gap is reserved in the middle of the bottom of the tedding plate 6, the output end of the motor 5 penetrates through the top of the tedding plate 6 and enters into the gap, the bottom of the output end of the motor 5 is fixedly connected with the tedding plate 6 through a bolt, the motor 5 is located inside the carrier 1, and the bottom output end of the motor 5 penetrates through the top of the tedding plate 6 and enters into the gap, the gap is set for conveniently disassembling the tedding plate 6, and meanwhile, the bottom output end of the motor 5 is conveniently fixed.

Example 2:

As shown in fig. 1, on the basis of example 1, a sponge layer 7 is adhered to the inner wall of the carrier 1.

In the above embodiment, the carrier 1 is sleeved outside the tedding plate 6, and serves as a baffle, so as to prevent grains from splashing during tedding, and the inner wall of the carrier 1 is further adhered with a sponge layer 7, so that splashed grains can be buffered, the probability of damage to the grains is reduced, and the economic loss is further reduced.

Example 3:

as shown in fig. 2 and 4, on the basis of embodiment 1, the connection arm 3 is provided obliquely, and the side of the lower height of the connection arm 3 is rotatably connected to the carrier 1, and the rotation axis of the connection arm 3 is horizontal to the ground.

In the above embodiment, when the connecting arm 3 is connected with the carrier 1, the connection part is rotationally connected, and in some bumpy road scenes, the connecting arm 3 and the carrier 1 are connected to rotate, so that the risk of fracture of the part can be reduced, and the service life of the device is prolonged.

In some cases, the connecting arm 3 is connected in rotation with the side of the carrier 1; a connecting arm mounting groove 12 is reserved at the lower end of the connecting arm 3, and a detachable rotating shaft 13 is arranged in the connecting arm mounting groove 12; the carrier 1 side is provided with the carrier connecting piece 10 with linking arm mounting groove 12 grafting complex, and the inside pivot mounting hole 14 that installs installation pivot 13 that is reserved of carrier connecting piece 10, through installing the carrier connecting piece 10 of carrier 1 lateral part into linking arm mounting groove 12 to utilize pivot 13 to pass the pivot mounting hole 14 on linking arm 3 lower extreme and the carrier connecting piece 10, thereby fixed linking arm 3 and carrier 1, guarantee simultaneously that both rotate, this structure also makes things convenient for the dismantlement maintenance.

In some scenes, the lower end bottom of the connecting arm 3 is provided with the connecting arm pulley 9 for sliding the connecting arm 3, the scheme is to avoid the condition that the bottom of the connecting arm 3 is pressed downwards to enable the carrier 1 to warp, especially when the connecting arm 3 is rotationally connected with the side face of the carrier 1, and therefore the bottom of the connecting arm 3 is provided with the connecting arm pulley 9, the bottom of the connecting arm 3 can be effectively supported, and meanwhile, the whole device is convenient to move.

Example 4:

Referring to fig. 2 and 5, the present application further provides a grain tedding device, which includes the grain tedding mechanism and a cart 4, wherein the cart 4 is used for driving the grain tedding mechanism to move.

In the above embodiment, the connecting arm 3 is driven by the trolley 4, and the driving mode of the trolley 4 can be manual driving or remote control driving.

As a preferred embodiment, the cart 4 is detachably connected with the higher end of the connecting arm 3 of the grain tedding mechanism; the connecting position of the connecting arm 3 and the trolley 4 is welded with a hook 8, and the trolley 4 is detachably connected with the hook 8 through a trolley connecting piece 11.

More specifically, the manner in which the trolley 4 drives the grain tedding mechanism to move is pushing or dragging, when the trolley 4 pushes and drives the grain tedding mechanism, the hook 8 and the trolley connecting piece 11 are preferably fixed in the horizontal direction, so that the grain tedding mechanism is prevented from generating pendulum swing during pushing, and tedding efficiency is prevented from being influenced; when the trolley 4 drags to drive the grain tedding mechanism, the hook 8 and the trolley connecting piece 11 can swing in the horizontal direction.

As a preferred embodiment described above, the connecting arm 3 can oscillate in a horizontal direction with respect to said trolley 4, the oscillation range of the connecting arm 3 being-30 deg..

When the carrier 1 is moved by pushing, the connection position between the connection arm 3 and the trolley 4 needs to be fixed even by using the hook 8, and may be fixed by using a latch, and may be designed according to actual needs.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. A grain tedding mechanism is characterized by comprising,

The carrier (1) is a hollow shell with an opening at the bottom, and a plurality of carrier pulleys (2) are arranged at the bottom of the carrier (1);

The driving part is fixed on the carrier (1) and is used for driving the tedding plate (6) to rotate inside the carrier (1);

The tedding plate (6), the tedding plate (6) is covered in the carrier (1), and the middle of the top of the tedding plate (6) is fixedly connected with the output end of the driving part; a plurality of racks are uniformly arranged at the bottom of the tedding plate (6); the bottom ends of a plurality of racks exceed the bottom end of the carrier (1);

And the connecting arm (3) is fixedly connected with the carrier (1) and is used for pushing the carrier (1) to move.

2. The grain tedding mechanism according to claim 1, wherein the driving part is fixedly arranged on the upper part of the inner wall of the carrier (1), the driving part is a motor (5), and the output end of the motor (5) is fixedly connected with the middle of the top of the tedding plate (6).

3. A grain tedding mechanism as claimed in claim 2, characterized in that a gap is reserved in the middle of the bottom of the tedding plate (6), the output end of the motor (5) penetrates through the top of the tedding plate (6) and enters the gap, and the bottom of the output end of the motor (5) is fixedly connected with the tedding plate (6) through bolts.

4. A grain tedding mechanism as claimed in claim 1, wherein a sponge layer (7) is adhered to the inner wall of the carrier (1).

5. A grain tedding mechanism as claimed in claim 1, wherein the connecting arm (3) is inclined, the lower side of the connecting arm (3) is rotatably connected to the carrier (1), and the rotation axis of the connecting arm (3) is horizontal to the ground.

6. A grain tedding mechanism according to claim 5, wherein the connecting arm (3) is rotatably connected to the side of the carrier (1); a connecting arm mounting groove (12) is reserved at the lower end of the connecting arm (3), and a detachable rotating shaft (13) is arranged in the connecting arm mounting groove (12); the side part of the carrier (1) is provided with a carrier connecting piece (10) which is in plug-in fit with the connecting arm mounting groove (12), and a rotating shaft mounting hole (14) for mounting the rotating shaft (13) is reserved in the carrier connecting piece (10).

7. A grain tedding mechanism as claimed in claim 5, wherein the lower end of the connecting arm (3) is provided with a connecting arm pulley (9) for sliding the connecting arm (3).

8. A grain tedding device, comprising a grain tedding mechanism as claimed in any one of claims 1 to 7 and a trolley (4), said trolley (4) being adapted to drive the grain tedding mechanism to move.

9. A grain tedding device according to claim 8, wherein the trolley (4) is detachably connected to the higher end of the connecting arm (3) of the grain tedding mechanism; the connecting arm (3) is welded with a hook (8) at the connecting position of the trolley (4), a trolley connecting piece (11) is arranged at one end of the trolley (4), and the trolley connecting piece (11) is detachably connected with the hook (8).

10. A grain tedding device according to claim 8, wherein the connecting arm (3) is swingable in a horizontal direction with respect to the trolley (4), the range of swing of the connecting arm (3) being-30 °.