CN110959345A - Seedling blocking guide device of small-sized rice transplanter - Google Patents

Abstract

The invention relates to a seedling blocking and guiding device of a small-sized rice transplanter, which comprises a cross bar, wherein two supporting frames are hinged to the cross bar, hinged holes are formed in the lower ends of the two supporting frames and are used for being hinged to a frame of the rice transplanter, seedling blocking guide arms are fixedly connected to the two ends of the cross bar respectively, the seedling blocking guide arms are bent downwards to form a minor arc shape, a touch arm is fixedly arranged in the middle of the cross bar in the circumferential direction, and a roller wheel is arranged at the extending end of the touch arm and used for corresponding to a touch block on a seedling separating driving cam. The invention has simple structure, can effectively separate and guide the seedlings, ensures accurate and uniform seedling separation and is beneficial to subsequent seedling transplanting operation.

Description

Seedling blocking guide device of small-sized rice transplanter

Technical Field

The invention relates to the field of rice transplanting machines, in particular to a seedling blocking guide device of a small rice transplanting machine.

Background

In the traditional rice transplanting method, a rice transplanter holds a large number of rice seedlings with one hand and divides a plurality of rice seedlings with the other hand to transplant the rice seedlings into paddy fields, in the process of transplanting the rice seedlings, the rice transplanter transplants the rice seedlings in a state of bending waist for a long time, and the rice transplanter is often sore in waist and back, difficult in straightening waist and very high in labor intensity after working for one day. With the social development and the mechanized application, the rice transplanter enters the rice transplanting of farming, so that the rice transplanter is free from the pain of waist soreness and back pain. However, the existing rice transplanter which uses the engine as power to transplant rice usually has larger volume and heavy weight and is suitable for being used in plain areas with large farmland area, but because the farmlands in mountain areas and hilly areas are mostly small irregular terraced fields, the rice transplanter which uses the engine as power has inconvenient transportation due to large volume and heavy weight and cannot be suitable for terraced fields of ridges under climbing slopes. Therefore, a manually-driven small-sized rice transplanter is also designed, when the small-sized rice transplanter is used for transplanting rice, a plurality of rice seedlings placed on a rice seedling tray slide to an outlet, the rice seedlings are immediately grabbed by a rice seedling separating device, the rice seedlings cannot be accurately separated, meanwhile, the uniformity of the plurality of rice seedlings cannot be ensured, in the subsequent rice transplanting process, some rice seedlings incline, and the rice seedlings have problems in the rice seedling separating, feeding, transplanting and other links, so that the use effect is poor, and the small-sized rice transplanter cannot be popularized and used.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides a seedling blocking and guiding device of a small-sized rice transplanter, which has a simple structure, can effectively block and guide seedlings, ensures accurate and uniform seedling separation, and is beneficial to subsequent rice transplanting operation.

The technical scheme of the invention is as follows: the utility model provides a seedling blocking guide device of small-size transplanter, includes a horizontal pole, articulated on the horizontal pole have two support frames, and the lower extreme of these two support frames is equipped with the hinge hole for it is articulated with the frame of transplanter, the both ends of cross axle fixedly connected with respectively keep off seedling guide arm, keep off seedling guide arm downward bending and be minor arc form, the middle part circumference of horizontal pole is fixed and is equipped with the arm of bumping, is equipped with the gyro wheel on this arm of bumping's the extension for correspond the piece of bumping on the branch seedling drive cam.

The seedling blocking guide arm comprises a long arm and a short arm, the long arm and the short arm are arranged in parallel, a spacing distance is reserved between the long arm and the short arm, the short arm is located on the inner side of the long arm, and the long arm and the short arm are both bent downwards and are in a minor arc shape.

Adopt above-mentioned technical scheme: a seedling blocking guide device of a small-sized rice transplanter comprises a cross rod, wherein two support frames are hinged to the cross rod, hinge holes are formed in the lower ends of the two support frames and are used for being hinged to a rack of the rice transplanter, the seedling blocking guide device can rotate on the rack, and the cross rod of the seedling blocking guide device has a displacement space. The two ends of the cross shaft are respectively and fixedly connected with seedling blocking guide arms, the seedling blocking guide arms are bent downwards to be in a minor arc shape, when the seedling blocking guide arms are positioned below a seedling outlet of the seedling tray, the seedling blocking guide arms play a role in blocking seedlings at the outlet of the seedling tray to prevent the seedlings from scattering, and when the seedling guide arms give way to the seedling outlet of the seedling tray to form a vacant position, the seedlings slide out along the seedling guide arms and are grabbed by the grabbing hooks of the seedling separating device, so that the seedling separation accuracy and uniformity can be effectively guaranteed. The middle part circumference of horizontal pole is fixed and is equipped with the bump arm, is equipped with the gyro wheel on this extension of bumping arm for correspond and divide the piece on the seedling drive cam, and the piece that bumps promotes the bump arm and takes place angular displacement when the extension of bumping arm gyro wheel, and control seedling guide arm removes, separates to the seedling dish and goes out the seedling mouth and keep off, step down the action, cooperates with the seedling separation device, guarantees to divide seedling accuracy, even.

The seedling blocking guide arm comprises a long arm and a short arm, the long arm and the short arm are arranged in parallel, a spacing distance is reserved between the long arm and the short arm, and when two ends of a seedling slide on the long arm and the short arm respectively, a grapple of the seedling separating device penetrates through the spacing between the long arm and the short arm to clamp and take away the middle part of the seedling. The short arms are positioned at the inner sides of the long arms, the long arms and the short arms are downwards bent and shaped like minor arcs, and the long arms and the short arms which are downwards bent and shaped like minor arcs form sliding guide rails of seedlings.

The following further description is made with reference to the accompanying drawings and detailed description.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Detailed Description

The invention relates to a seedling blocking guide device of a small-sized rice transplanter, which comprises a cross bar 31, wherein two support frames 32 are hinged on the cross bar 31, the lower ends of the two support frames 32 are provided with hinge holes 33 for being hinged with a frame of the rice transplanter, two ends of a cross shaft 31 are respectively and fixedly connected with seedling blocking guide arms 34, in the embodiment, the seedling blocking guide arms 34 comprise long arms 34a and short arms 34b, the long arms 34a and the short arms 34b are arranged in parallel, a spacing distance is reserved between the long arms and the short arms, the short arms 34b are positioned on the inner side of the long arms 34a, and the long arms and the short arms are bent downwards and are shaped like minor arcs. A touch arm 35 is fixed at the middle part of the cross bar 31 along the circumference, and a roller 36 is arranged at the extending end of the touch arm 35 and is used for corresponding to the touch block on the seedling-dividing driving cam.

When the small-sized rice transplanter is used, the seedlings are divided into two rows and placed on the seedling tray. An operator holds the towing rod with one hand to pull the rice transplanter to move in a paddy field, operates the shaking handle with the other hand to rotate, drives the first rotating shaft to rotate through the first chain transmission mechanism, drives the cams on the first rotating shaft to synchronously rotate, controls the rice seedling separating mechanism and the rice seedling blocking guide device to regularly and intermittently move to separate rice seedlings from the rice seedling tray, and then grabs the separated rice seedlings by the rice seedling grabbing hooks rotating along with the first rotating shaft and sends the separated rice seedlings to the upper part of the rice seedling transplanting port of the floating plate. Meanwhile, a second rotating shaft driven by a second chain transmission mechanism rotates, the second rotating shaft drives the transplanting arms to move through the rotating arms, the moving direction and the rhythm of the transplanting arms are controlled by a connecting rod mechanism connected with the transplanting arms, seedlings are sequentially inserted into the mud ridges in the paddy field formed by the grooves of the floating plates, and the transplanting process is finished.

The invention has simple structure, can effectively separate and guide the seedlings, ensures accurate and uniform seedling separation, is beneficial to subsequent seedling transplanting operation, ensures that the seedlings can be easily and tidily inserted into paddy fields without stooping by a transplanter in the whole seedling transplanting activity, solves the semi-mechanical seedling transplanting problem of small paddy fields and irregular terraced fields in mountain areas and hilly areas, and lightens the labor intensity of the transplanter.

Claims (2)

1. A seedling blocking guide device of a small-sized rice transplanter is characterized in that: including a horizontal pole (31), articulated on horizontal pole (31) have two support frames (32), and the lower extreme of these two support frames (32) is equipped with hinge hole (33) for it is articulated with the frame of transplanter, the both ends difference fixedly connected with fender seedling guide arm (34) of horizontal axle (31), fender seedling guide arm (34) are the minor arc form towards the downward bending, the fixed arm of bumping (35) that is equipped with of middle part circumference of horizontal pole (31), should bump and be equipped with gyro wheel (36) on the extension end of arm (35) for correspond and divide the piece of bumping on the seedling drive cam.

2. The seedling blocking guide device of a small-sized rice transplanter according to claim 1, wherein: the seedling blocking guide arm (34) comprises a long arm (34 a) and a short arm (34 b), the long arm (34 a) and the short arm (34 b) are arranged in parallel, a spacing distance is reserved between the long arm and the short arm, the short arm (34 b) is located on the inner side of the long arm (34 a), and the long arm and the short arm are both bent downwards and are in a minor arc shape.

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