JPH0553417U - Seedling platform horizontal feed device in rice transplanter - Google Patents

Abstract

(57) [Abstract] [Purpose] The present invention relates to a seedling platform lateral feed device for a rice transplanter. [Structure] In a rice transplanter equipped with an engine and a mission case at the front of the machine, and a seedling stand at the rear of the machine that moves laterally in the left-right direction, a reciprocating screw is installed in the mission case provided on the machine. A feed screw having a groove is arranged in the lateral direction of the machine body, a moving member having a rack is screwed onto the feed screw, and a pinion shaft that meshes with the rack is arranged in the machine longitudinal direction. The rear part of the mission case projects rearward from the rear part of the mission case and extends to the vicinity of the planting part.
Moreover, a rack that meshes with the pinion shaft was provided on the seedling mounting table side.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 The present invention relates to a seedling platform horizontal feed device in a rice transplanter.

[0002]

[Prior Art]

 Conventionally, the transverse feed device that moves the seedling placing table of the rice transplanter to the left and right has a chain transmission device interposed between the mission case and the planting part, and is provided on the seedling placing table side by the chain transmission device. There is a structure that drives a transverse feed screw.

[0003]

[Problems to be solved by the device]

 However, in the above-mentioned conventional technique, since the chain transmission is provided in the lateral feeding device of the seedling placing table, the chain of the chain transmitting device is stretched and the lateral movement of the seedling placing table cannot be surely performed. Therefore, the number of planted seedlings cannot be kept constant because the stroke is not constant.

Therefore, there is a problem that planting and growing of seedlings are not uniform.

Further, in the case of the above-mentioned conventional technique, there has been a problem that the number of parts is increased.

[0006]

[Means for Solving the Problems]

 The present invention is a rice transplanter equipped with an engine and a mission case in the front of the machine body, and a planting section and a seedling stand that moves laterally in the rear direction of the machine body. A feed screw having a screw groove is arranged in the lateral direction of the machine body, a moving member having a rack is screwed onto the same feed screw, and a pinion shaft that meshes with the rack is arranged in the machine longitudinal direction. The rear part of the pinion shaft projects rearward from the rear part of the mission case and extends to the vicinity of the planting part. Moreover, the seedling table side is equipped with a rack that meshes with the pinion shaft. It is intended to provide a lateral feeding device for the seedling placing table in the machine.

[0007]

【Example】

 An embodiment of the present invention will be described in detail with reference to the drawings. Reference numeral 1 is a body frame, in which an engine 2 and a mission case 3 are arranged in the front part, and a planting part 4 in the rear part and seedlings that move laterally laterally. The platform 5 is connected.

Reference numeral 6 denotes an input shaft of the mission case 3, to which a main pulley 7 is fixed. Reference numeral 8 is a gear transmission that drives the planting and lateral feed of the seedling mounting table, and 9 is a feed screw provided in the transmission case 3 in the lateral direction of the machine body, forming a reciprocating screw groove 10. Reference numeral 11 denotes a moving member that is screwed into the reciprocating screw groove 10, and a rack 12 that moves laterally in the lateral direction is integrally formed on the upper portion. A pinion shaft 13 is connected to a pinion 14 that meshes with the rack 12 at the front part.

The pinion shaft 13 is arranged in the longitudinal direction of the machine body, and has a rear portion protruding rearward from the rear portion of the mission case 3 and extending to the vicinity of the planting portion 4. Reference numeral 15 is a rack provided laterally on the seedling placing table 5 side, which meshes with a pinion 16 provided at the rear end of the pinion shaft 13. 17 is a rack mount, and 18 is a steering wheel. Further, 19 is a bearing portion that supports the front portion of the pinion shaft 13, 20 is a bearing portion that supports the rear portion of the pinion shaft 13, and 21 is a shaft case.

The embodiment of the present invention is configured as described above, and when the power of the engine 2 is guided into the transmission case 3, the gear transmission 8 rotates the feed screw 9. Then, when the feed screw 9 rotates, the moving member 11 reciprocates in the left-right direction along the reciprocating screw groove 10 of the feed screw 9.

Therefore, since the pinion shaft 13 rotates forward and backward by the rack 12, the rack 15 on the seedling placing table 5 side moves laterally along with the seedling placing table 5. Then, the planting section 4 carries out the planting work of the seedlings.

As described above, according to the above-described embodiment, the engine 2 and the mission case 3 are arranged in the front part of the machine body, and the planting part 4 and the seedling table 5 that moves in the left-right direction are provided in the rear part of the machine body. In the rice transplanter, a feed screw 9 having a reciprocating screw groove 10 is disposed in the lateral direction of the machine in the mission case 3, a moving member 11 having a rack 12 is screwed to the feed screw 9, and A pinion shaft 13 that meshes with the rack 12 is arranged in the longitudinal direction of the machine body, and a rear portion of the pinion shaft 13 projects rearward from a rear portion of the mission case 3 and extends to the vicinity of the planting portion 4. Since the seedling placing table 5 side is a lateral feeding device for the seedling placing table having a rack 15 that meshes with the pinion shaft 13, the lateral feeding device for the seedling placing table 5 is provided with a rack and a pinion. For this reason, we did not use any chains, etc. Since such elongation does not occur, in which can be securely operated for a long period of time lateral movement of the seedling table. Moreover, since the stroke of lateral movement of the seedling placing table is accurate, the number of planted seedlings can be kept constant at all times, which results in uniform planting and growing of seedlings. is there.

Further, since the mission case 3 and the seedling placing table 5 side are interlockingly connected by the pinion shaft 13, the number of parts can be reduced.

[0014]

[Effect of the device]

 According to the present invention, a feed screw having a reciprocating screw groove is arranged in the lateral direction of the machine in a mission case of a rice transplanter, and a moving member having a rack is screwed to the feed screw. A pinion shaft that meshes with the rack is arranged in the machine longitudinal direction, and the rear part of the pinion shaft projects rearward from the rear part of the mission case and extends to the vicinity of the planting part. Since a rack that meshes with the same pinion shaft is provided, and because the rack and pinion are used to laterally feed the seedling placement table, there is no extension of parts, and therefore the seedling placement table moves laterally. Can be operated reliably for a long period of time. Moreover, since the lateral movement stroke of the seedling placing table is accurate, the number of planted seedlings can be kept constant at all times, which results in uniform seedling planting and growth.

In addition, it is possible to reduce the number of parts and the weight of the machine body.

[Brief description of drawings]

FIG. 1 is a schematic side view of a rice transplanter equipped with the present invention.

FIG. 2 is a schematic plan view of the same.

[Explanation of symbols]

 2 Engine 3 Mission case 4 Planting part 5 Seedling stand 9 Feed screw 10 Reciprocating screw groove 11 Moving member 12 Rack 13 Pinion shaft 15 Rack

Claims (1)

[Scope of utility model registration request] 1. An engine (2) and a mission case (3) are arranged in the front part of the machine body, and a planting part (4) and a seedling stand (5) which moves laterally in the left and right direction are provided in the rear part of the machine body. In the rice transplanter, the reciprocating screw groove (1
The feed screw (9) having (0) is arranged in the lateral direction of the machine body, and the moving member (11) having the rack (12) is screwed to the feed screw (9),
In addition, the pinion shaft (13) that meshes with the rack (12) is arranged in the machine front-rear direction, and the rear part of the pinion shaft (13) projects rearward from the rear part of the mission case (3) and the planting part (4) It is extended to the vicinity, and the same pinion shaft (1
A seedling platform lateral feed device in a rice transplanter, which is provided with a rack (15) that meshes with the (3).