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Seeding machine in shaft transmission with walking tractor

A technology of walking tractors and seeders, applied in fertilization devices, applications, agriculture, etc., can solve the problems of seeder installation position restrictions, difficult adjustment of planting distance, chain stuck or dropped chains, etc., to achieve The effect of reducing failure rate, simple and reasonable transmission mode, and convenient maintenance

Inactive Publication Date: 2014-02-19
王以成
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of using gear chain transmission or ground wheel rolling transmission, it is easy to bring up grass roots, sundries or clay on the field, causing the ground wheel to stop, the chain is stuck or dropped, and it is easy to delay the farming time; at the same time This structure will limit the installation position of the seed meter of the planter, and it is difficult to adjust the planting distance

Method used

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  • Seeding machine in shaft transmission with walking tractor
  • Seeding machine in shaft transmission with walking tractor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Embodiment 1, with reference to figure 1 , a planter driven by the shaft of a walk-behind tractor, a cam 7 with many convex points is set on the shaft of the driving wheel shaft of the walk-behind tractor, and a ratchet mechanism is installed on the sowing wheel shaft of the sower, and the ratchet mechanism includes a swing bar 2 , ratchet 1, non-return ratchet 5 and the ratchet 4 that is installed on the sowing wheel shaft, the fork 2 is installed on the ratchet 4, the fork 2 is provided with return spring 3, the ratchet 1 is hinged on the fork 2, On fork 2, be connected with the driver that cooperates with the protruding point of cam 7.

[0012] When the tractor is running, the cam 7 installed on the driving wheel shaft rotates at the same time. When the cam 7 turns to the convex point of the cam 7, the convex point pushes the driver, and the driver makes the pendulum 2 swing, so that the ratchet 1 drives the ratchet 4 to rotate through a certain angle. At this time,...

Embodiment 2

[0013] Embodiment 2, in the seeder driven by the shaft of the walk-behind tractor described in Embodiment 1, the driver is the connecting rod 6 . The connecting rod 6 is rigid, and this structure can drive the ratchet 4 to move counterclockwise.

Embodiment 3

[0014] Embodiment 3, with reference to figure 2 , in the seeder driven by the shaft of the walking tractor described in embodiment 1, the driver includes a steel wire stay rope 8 connected to the swing rod 2, and a pressure spring is provided on the convex point matching end of the steel wire stay rope 8 and the cam 7 10, the pressure spring 10 is a large spring, and the return spring 3 at this time is a small spring, and the steel wire stay cord 8 is sleeved with a sheath 9 . When the cam 7 turns to the convex point of the cam 7, the convex point presses the pressure spring 10, and the return spring 3 pulls back the wire rope 8, so that the pawl 1 is inserted into the tooth groove of the ratchet 4; when the cam 7 turns to the cam 7 When the concave point occurs, the pressure spring 10 returns to its original position, and the steel wire pull rope 8 drives the ratchet 1 on the pendulum 2 to drive the ratchet 4 to turn over a certain angle. In the tooth groove of the ratchet ...

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Abstract

The invention provides a seeding machine in shaft transmission with a walking tractor. A cam with a plurality of protruded points is installed on a shaft lever of a driving wheel shaft of the walking tractor; a ratchet mechanism is installed on a seeding wheel shaft of the seeding machine; and the ratchet mechanism comprises a swinging rod, a ratchet pawl, a check ratchet pawl and a ratchet which is installed on the seeding wheel shaft, wherein the swinging rod is installed on the ratchet, a return spring is installed on the swinging rod, the ratchet pawl is hinged on the swinging rod, and the swinging rod is connected with an actuator which is matched with the protruded points of the cam. Combined utilization of the cam and the ratchet mechanism achieves intermittent movement of the seeding machine, and facilitates installation of a seed-metering device of the seeding machine and change of seeding row spacing of the seeding machine. The seeding machine omits the structures of a long chain wheel and a land wheel to realize a simple and reasonable transmission mode and to prevent the phenomena of chain falling, blocking and miss-seeding during a seeding process; besides, the seeding machine is convenient for maintenance and has reduced failure rate and improved reliability and work efficiency.

Description

technical field [0001] The invention relates to an agricultural machine, in particular to a seeder driven by a walking tractor shaft. Background technique [0002] The existing tractor walking tractor shaft-driven planter is to install a driving gear on the shaft of the tractor driving wheel shaft, and the gear is connected to a chain. When the walking tractor is moving, the sowing wheel is driven to rotate, so that the seeds in the seed box of the sowing machine driven by the shaft of the walking tractor fall into the plowed furrow through the sowing holes and sowing pipes on the sowing wheel, and all the seeds are completed. the sowing process. There is also a ground wheel rotation in the back of the walking tractor, and a long chain is articulated on the shaft of the ground wheel, and the other end of the long chain is connected with the sowing sprocket of the planter to drive the sowing wheel to rotate, and then enters the sowing program. In the process of using gear ...

Claims

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Application Information

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IPC IPC(8): A01C19/00
CPCA01C19/02
Inventor 王以成
Owner 王以成
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