JPS6142327Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a stone picking machine used in farmland, grassland, etc.

The stone pick-up machine is equipped with a blade whose tip acts on the ground to raise stones, and a blade that rotates endlessly at the rear of the blade so that the blade takes over the stones raised and transports them backwards. It consists of a ladder chain and a hopper installed at the rear of the ladder chain to receive and store stones sent by the ladder chain.

By the way, since the place where stones are picked up by this type of stone pick-up machine is often rough ground, when picking up stones, the stones that are lifted up by the blade at the tip end up cracking the surrounding surface. In many cases, rough soil is attached to the hopper, and many hard lumps of soil are brought up together with the stones, so the soil is carried into the hopper along with the stones by the ladder chain.
There is a problem that the yield rate of stone extraction is poor, and there is also a problem that land owners do not like the fact that the soil is removed along with the stones, reducing the amount of soil.

The present invention was developed to solve these problems, and it is possible to efficiently separate and collect the soil that adheres to the surrounding surface of the stone that is being lifted up by the blade, and to separate and collect large amounts of soil clods. The purpose is to provide new means to make this happen.

In the present invention, as a means to achieve this purpose, a ladder chain 2 that rotates endlessly and conveys the stones backward is stretched behind the blade 1 that pushes up the stones.
In a stone picking machine equipped with a hopper 3 for storing stones at the rear of the ladder chain 2, a stone picker is installed above a portion of the ladder chain 2 near the rear end on the outward path side, and the ladder chain 2 is driven so that its conveyance direction and axial direction are substantially perpendicular to each other. A rotating shaft 4a is mounted on a shaft, and a large number of substantially rectangular plates 4b are mounted on the circumferential surface of the rotating shaft 4a, with their narrow surfaces facing in the front-rear direction, and pins parallel to the axial direction are mounted. The present invention proposes a rock pick-up machine in which the stones are pivoted in parallel in the form of a free hammer.

Next, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a longitudinal side view of the rock pick-up machine according to the present invention, in which 1 is a blade installed at the front end of the machine that pushes up stones and clods, and 2 is a blade 1 that moves the stones, etc. backwards. 3 indicates a hopper installed at the rear of the ladder chain 2 to receive and store stones conveyed by the ladder chain 2.

Further, 4a is a rotating shaft mounted above a portion of the top surface of the ladder chain 2 on the outgoing side near the rear end side, with the axial direction substantially perpendicular to the transport direction of the ladder chain 2, and 4b is a rotating shaft in a substantially rectangular shape. A large number of plates are shown formed and provided in a free hammer shape on the circumferential surface of the rotating shaft 4a.

The rotating shaft 4a is supported by a bearing 6 provided on the fuselage body, and a sprocket 7 provided on one shaft end side of the rotary shaft 4a transmits power through a sprocket 8a and a chain 9 on the side of a power transmission section 8 mounted on the fuselage body. The input shaft 11 of the power transmission section 8 is transmitted to and driven by the PTO shaft of the tractor, thereby driving and rotating via the sprockets 7, 8a and the chain 9 described above. Further, the power transmission section 8 is also transmitted to the drive shaft of the ladder chain 2 described above via the chain 10.

The rectangular plates 4b are rotatably supported at their proximal ends by pins 5 provided on the circumferential surface of the rotating shaft 4a in parallel with the axial direction thereof. The rotary locus of the end of rotation when the rotary shaft 4a swings out and rotates in the radial direction due to drive rotation is formed so as to be substantially in contact with the upper surface of the ladder chain 2 on the forward path side. And this strip-shaped plate body 4b...
constitutes a crushing rotor 4 together with the aforementioned rotating shaft 4a.

FIG. 2 shows an embodiment of the concrete structure of the earth crushing rotor 4. As shown in FIG.

In the same figure, the plate bodies 4b... consist of substantially rectangular plate bodies 4B made of a rigid body such as iron, and the plate bodies 4B...
It is pivotally connected to the rotating shaft 4a by a pin 5 so that the narrow surface 4B1 forms a crushing surface or a crushing surface of the clod.

As the clods and stones pushed up by the blade 1 move towards the rear end of the ladder chain 2 on the outgoing side, on the way they hit the narrow surface 4B1 of the rotating plate 4B. I get hit.

This plate body 4B may be formed of an elastic body.

Although only one soil crushing rotor 4 is provided in FIG. 1, multiple rotors may be provided in front and behind. In addition, when providing multiple plates, in addition to providing the same type of plate bodies 4b, different types of plate bodies 4b may be mixed and provided.

As mentioned above, the stone picking machine according to the present invention is
In a stone picking machine, a ladder chain 2 that rotates endlessly and conveys stones backward is stretched behind a blade 1 that pushes up stones, and a hopper 3 that stores stones is installed behind the ladder chain 2. , a rotating shaft 4a that is driven and rotated with the conveying direction and axial direction of the ladder chain 2 substantially perpendicular to each other is mounted above a portion of the ladder chain 2 that is close to the rear end side on the outward path side, and a rotating shaft 4a is mounted on the circumferential surface of the rotating shaft 4a. A large number of substantially rectangular plate bodies 4b
. While the stones and clods that have been raised to the top are transported backwards on the outgoing side of ladder chain 2, the debris is sieved off and turned into stones and clods.
The stone is struck by the narrow surface of the rotating plate 4b above the rear end of the ladder chain 2 on the outgoing side, and the rough soil solidified on the surrounding surface is peeled off and the clod is removed. The soil is crushed finely and falls below the ladder chain 2, and only the stones are carried into the hopper 3, which greatly improves the yield of stones picked up into the hopper and improves the efficiency of soil separation and collection. Get better.

The plates 4b that hit stones and clods of earth are pivotally supported by pins 5 and escape from strong impact, thereby reducing damage to the plates 4b themselves and the rotating shaft 4a.

[Brief explanation of the drawing]

Figure 1 is a side cross-sectional view of a rock pick-up machine implementing the present invention, and Figure 2 is the first section of the crushing rotor of the same rock pick-up machine.
FIG. 3 is a front view of the embodiment. Explanation of drawing symbols, 1...Blade, 2...Rudder chain, 3...Hopper, 4...Crushing rotor, 4a...Rotating shaft, 4b...Plate body, 4B...Strip-shaped plate body, 4B1... Narrow width surface, 4C...plate body,
4C1...Narrow width surface, 5...Pin, 6...Bearing, 7
... Sprocket, 8 ... Conductive part, 8a ... Sprocket, 9 ... Chain, 10 ... Chain, 11
...Input shaft.

Claims (1)

[Scope of utility model registration request] Behind the blade 1 that pushes up the stones, there is a ladder chain 2 that rotates endlessly and transports the stones backwards.
In the stone picking machine, which is equipped with a hopper 3 that stores stones at the rear of the ladder chain 2,
A rotary shaft 4a that is driven and rotated is mounted above a portion of the ladder chain 2 that is close to the rear end side on the outbound side, and the conveying direction and the axial direction of the ladder chain 2 are substantially perpendicular to each other.
A large number of substantially rectangular plates 4 are formed on the circumferential surface of the rotating shaft 4a.
(b) are pivoted in parallel in a free hammer shape by pins 5 parallel to the axial direction with their narrow surfaces facing in the front-rear direction.