JPS6332402B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a ridge making device for a working machine mounted on the rear of an agricultural tractor that simultaneously performs ridge making, soil crushing, sowing, and fertilization.

Conventionally, ridge making, sowing, and fertilization required the use of agricultural tractors to move back and forth many times, but with the device of the present invention, especially in the case of hard soil, all that is required is one stroke of roughing. The goal is to finish the work.

In this case, the seeding device and fertilization device are attached to the rear of the rotary tillage device, making it difficult to attach the ridge-raising disk device.Also, when ridges are raised after sowing or fertilizing, the areas near the sides of the ridges There were problems such as a thick covering of soil and poor germination.

In addition, when growing wheat, the wheat does not like wet fields, so ridges are built, but if a ridge-making disk is installed at the rear of the rotary tiller, both ends of the ridge will be slightly raised, allowing rain and snow to accumulate between them, which will prevent the growth of the wheat. It has a negative impact on

In the present invention, a ridge raising disk is provided at the front of the rotary tillage device, and after first raising both sides of the ridge to create a flat ridge, the raised parts at both ends are leveled with tilling claws, so that the center of the ridge is leveled. This has a positive effect on the growth of wheat as water does not accumulate in the area.

In addition, the strength is weakened when the rotary tiller is supported at the front of the rotary tiller, but this is strengthened by providing a support between the rear wheels of the agricultural tractor and the rotary tiller.

The purpose of the present invention is as described above, and the detailed structure of the present invention will be explained based on the structure of the embodiment shown in the attached drawings.

Fig. 1 is a side view of the ridge raising device of the present invention, Fig. 2 is a plan view thereof, Fig. 3 is a drawing of the ridge raising state, Fig. 4 is a drawing of the soil being crushed by tilling claws, and Fig. 5 is after completion. FIG. 6 is a drawing showing a defective state when a ridge-raising disk is provided at the rear of a rotary tiller.

1 is a rear wheel of an agricultural tractor, and a rim 10 of the rear wheel 1 is fixed with a bolt 11 to a wheel 9 protruding from a transmission device of the agricultural tractor. Using these bolts 11, attach the flange 12 of the support shaft 14, and attach the bearing case 2 to the support shaft 14.
5 bearings 15 are interposed. A base 16 protrudes from the bearing case 25, and the support rod 2 is fixed to the base 16.

A rotary-side support rod 3 is projected to the rear of the support rod 2, and the rear end of the rotary-side support rod 3 is biased by a spring 19 to a support pin 18 on a beam 28 of the rotary tiller through a long hole 3a. Supported.

In the rotary tillage device, power is transmitted to the input shaft 21 of the rotary gearbox 22 from the PTO shaft of the agricultural tractor through a universal joint, and the power is transmitted to the chain case 13 through a power transmission shaft within the main beam 28. The tilling claw shaft at the bottom of the chain case 13 is driven, and the tilling claw shaft 17
is rotated. 24 is a tillage cover.

An abutment 20 is provided on the main beam 28, and a support pin 18 is erected thereon. Although it is biased by the spring 19, since the elongated hole 3a is provided, the point that the center of the vertical movement of the rotary tiller and the center of the vertical movement of the rotary side support rod 3 are different is used with this elongated hole. It is absorbed.

The ridge-raising disk 8 is moved up and down by the vertical movement of the rotary tiller.

A cylindrical body 4 is fixed to the tip of the support rod 2, and this cylindrical body 4
A vertical rod 5 is provided on the holder 5 so as to be vertically adjustable using an adjustment pin 6. A shaft support 7 is provided at the tip of the vertical rod 5, and a ridge raising disk 8 is arranged diagonally. These ridge-raising discs lift the soil and create grooves for flat ridges.

Conventional ridge-raising disks were supported only by rotary tillage equipment, so they were weak in strength;
By supporting the axle of the rear wheel of an agricultural tractor as in the present invention, the strength can be improved.

Figure 3 shows the state of raising a ridge using a ridge raising disc. The soil raised by the disc creates embankments B at both ends of the flat ridge, and if this remains, the drainage of the flat ridge is poor, as shown in Figure 6. This makes it easier for water puddles to form, which has a negative impact on the growth of wheat, which hates wet fields.

In the present invention, a ridge-raising disk is provided in front of the rotary tiller, so that the tiller claws 17 scrape away the embankment B to make it flat.

Figure 5 shows the shape of the completed flat ridge.

Furthermore, if the ridge-raising disk is located at the rear of the rotary tiller, the tiller will raise the soil after it has been crushed, creating an embankment B, which will cause problems as described above.

As described above, in the present invention, the ridge-raising disk is supported by the axle of the rear wheel of an agricultural tractor and a part of the rotary tilling device, and is arranged vertically in front of the side of the rotary tilling device. Since the ridges are raised beforehand, the embankments B formed at both ends of the flat ridges can be leveled with the tiller claws 17, and water no longer collects between the embankments and turns them into wet fields. be.

In addition, since the support for the ridge-raising disk was provided between the rear wheel axle and a part of the rotary tilling device,
By straddling both, the strength was increased, and the ridge-raising disk could also be moved up and down to correspond to the up-and-down position of the rotary tiller.

[Brief explanation of the drawing]

Fig. 1 is a side view of the ridge raising device of the present invention, Fig. 2 is a plan view thereof, Fig. 3 is a drawing of the ridge raising state, Fig. 4 is a drawing of the soil being crushed by tilling claws, and Fig. 5 is after completion. FIG. 6 is a drawing showing a defective state when a ridge-raising disk is provided at the rear of a rotary tiller. A... Flat ridge, B... Embankment, C... Water puddle, 1
...Agricultural tractor rear wheel, 8...Rounding disc, 9...Axle, 28...Main beam.

Claims (1)

[Claims] 1. A ridge making device characterized in that a ridge making disk is supported by the axle of the rear wheel of an agricultural tractor and a part of a rotary tilling device, and is arranged vertically in front of the side of the rotary tilling device.