JPH0112562Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Technical Field of the Invention> The present invention relates to a compaction device, for example, a device that performs seeding work by attaching a seeding machine to a rotary tiller and compacting the same at the same time as tilling and crushing soil.

<Technical background of the invention and its problems> Conventionally, a pressing device for this type of work machine has a structure in which, for example, a metal scraper is disposed opposite a pressing roller with a predetermined gap.

However, according to this structure, since the scraper is made of metal, it cannot come into contact with the pressure roller, and therefore it is necessary to install it oppositely with a small gap between the scraper and the pressure roller. If there is a gap between the rollers, lumps such as pebbles often get caught in the gap, and if the soil in the field is clayey, clay will adhere to the area around the pressure roller by the thickness of the gap. There are drawbacks such as the outer surface of the pressing roller becoming bulky.

<Purpose of the invention> The present invention was developed in view of the above points, and is designed so that the free end of the earth removal plate made of a flexible member is always in contact with the outer surface of the pressing roller, and By rotating the pressing roller in sliding contact, it is possible to prevent the outer surface of the pressing roller from becoming bulky due to soil being attached to the outer circumferential surface of the pressing roller, and to prevent lumps such as pebbles from being caught. The purpose is to

<Summary of the invention> The present invention consists of a pressure roller that is horizontally suspended so as to be freely rotatable and compacts the field after tilling and crushing soil, a scraper that is installed spaced apart from and opposite to the pressure roller, and this scraper and the pressure roller. It is characterized by comprising a flexible earth removal plate which is provided between the pressure roller and the roller so as to be freely adjustable in advance and retreat, and whose free end is always in contact with the outer surface of the pressure roller.

<Embodiment of the invention> An embodiment of the invention will be described below as shown in the accompanying drawings.

Reference numeral 1 denotes a machine frame. A tilling rotary 2 is rotatably mounted on the machine frame 1, and the upper part of the tilling rotary 2 is covered with a cover body 3. A screen 4 is provided with a large number of vertical rods 4b vertically arranged at predetermined intervals in the length direction of the rods 4a.

Further, a connecting piece 7, which is provided on the support frame 5 that is provided on the rear part of the machine frame 1 and is provided on the front upper part of the connecting frame 6, is connected to the connecting piece 7, which is height-adjustable by one of the plurality of bolt holes 8 and a bolt 9. A plurality of hoppers 12 storing seeds are fixed via supporting legs 11 on a mounting frame 10 that is connected and fixed to a connecting piece 7 of this connecting frame 6, and a gauge is installed between supporting frames 13 on both sides of this connecting frame 6. A pressure roller 14 which also serves as a wheel is horizontally supported rotatably via a support shaft 15, and one end of the support shaft 15 of the pressure roller 14 and a support shaft 17 of a feed roll built into the feed opening 16 of the hopper 12 are connected to each other. An interlocking medium 18 is suspended between them to interlock and connect them. In addition, the pressure roller 1
Groove rings 19 each having a chevron-shaped cross section are fixed at predetermined intervals along the length of the outer periphery of the groove.

Furthermore, protrusions 20 are protruded rearward between the lower ends of the supporting frames 13 on both sides of the connecting frame 6, and the protrusions 20
The scraper 2 is pressed against the pressure roller 14 between 0 and 0.
1, and a plurality of long adjustment holes 22 are formed in the longitudinal direction at predetermined intervals in the length direction of the scraper 21, and each of the long mounting holes 22 is filled with a drain made of an elastic material such as rubber. The base end of the soil plate 23 is attached by a plurality of bolts/nuts 24 and a seat plate 25 so as to be adjustable forward and backward in the front and back direction, and this soil removal plate 23
The free end 26 of the pressing roller 14 of the earth removal plate 23 is brought into contact with the outer surface 27 of the pressing roller 14, and the pressing roller 14 of the earth removal plate 23 is
A mountain-shaped recess 28 is formed at a position relative to each ring 19 to engage the ring.

Further, a support 29 is integrally provided on the rear edge of the scraper 21 relative to each ring 19, and the vicinity of the outlet port 31 at the lower end of the seed conduit 30 is fixed to each support 29. An inlet 32 at the upper end of the seed conduit 30 is connected to the outlet 16 of the hopper 7. Further, a transmission 3 having an input shaft 33 on the machine frame 1
4 is provided, and the tilling rotary 2 is interlocked and connected to this transmission 34 via an interlocking medium.
Further, a connecting frame 35 is provided protruding from the front part of the machine frame 1 to be connected to a three-point suspension mechanism of the tractor.

In this configuration, each connecting portion of the connecting frame 35 is connected to the three-point suspension mechanism of the tractor, and the input shaft 33 of the transmission 34 is connected to the output shaft of the tractor. Then, while the machine is towed by a tractor, the field is tilled and crushed by the interlocking drive of the tilling rotary 2, and the tilled soil is compacted by the compaction roller 14 and compacted by each ring 19 of the compaction roller 14. A groove for sowing is formed on the cultivated soil surface,
Seeds are led out from the outlet 31 of the seed conduit 30 into this groove and are sown.Furthermore, the seeds in the groove and the cultivated soil surface are covered with finely ground soil that has passed through the screen 4 and scattered. You can prepare.

In this case, since the pressing roller 14 rotates while sliding on the free end 26 of the earth removal plate 23 attached to the scraper 21, if soil adheres to the outer peripheral surface of the pressing roller 14, the earth removal plate 23 The soil is scraped off by the free end 26 of the soil removal plate 23 each time it passes through the soil removal plate 23, thereby preventing soil from adhering to and accumulating on the outer peripheral surface of the pressing roller 14, and preventing lumps such as pebbles. There is no such thing as being caught between them.

<Effects of the invention> According to the invention, since the free end of the earth removal plate provided between the scraper and the outer surface of the pressing roller is brought into contact with the outer surface of the pressing roller, the pressing roller slides and rotates against the free end of the earth removal plate. As a result, lumps of soil, pebbles, etc. adhering to the outer peripheral surface of the pressing roller can be reliably removed by the earth removal plate, and the outer peripheral surface of the pressing roller can be prevented from becoming bulky due to soil. Furthermore, since the earth removal plate is made of a flexible material, it fits well with the outer circumferential surface of the pressing roller and is always elastic. In addition, without damaging the outer peripheral surface of the contact pressure roller,
Since the soil removal plate is provided so that it can move forward and backward relative to the outer surface of the compacting roller, the degree of contact with the outer surface of the compacting roller can be adjusted depending on the nature of the soil and the working environment.
In addition, when the free end is worn out, it can protrude so as to come into contact with the outer surface of the pressure roller to easily compensate for the deficiency, thus making it possible to carry out the pressure operation by the pressure roller in an orderly and reliable manner.

[Brief explanation of the drawing]

The figures show one embodiment of the present invention, in which Figure 1 is a side view of a seeding machine equipped with a suppression device, Figure 2 is a perspective view with a part of the suppression device cut away, and Figure 3 is a side view of a seeding machine equipped with a suppression device. FIG. 3 is a partial side view showing the relationship between a roller and a scraper. 14... Squeezing roller, 21... Scraper, 2
3...Earth removal board.

Claims (1)

[Scope of utility model registration request] A pressure roller that is horizontally suspended and can be freely rotated to suppress the field after tilling and crushing soil, a scraper that is installed spaced apart from and opposite to this pressure roller, and a space between this scraper and the above-mentioned pressure roller that can be freely adjusted to move forward or backward. 1. A compaction device comprising: a flexible earth removal plate which is provided on a compaction roller and whose free end is always in contact with the outer surface of a compaction roller.