JPH01124314A - Power transmitting mechanism of fertilizer spreader - Google Patents

Abstract

PURPOSE:To simplify power transmitting mechanism of fertilizer spreader, by rotating a sprocket by a crawler belt for running truck and driving a fertilizer feeding belt through a winding transmitting component by the sprocket. CONSTITUTION:When a self-propelled truck 2 begins to advance, a sprocket 6a engaging with a section part 2f... of crawler belt 2b is simultaneously rotated and a conveyer 5c is driven by rotary shaft 6b sprocket 6d chain 6g sprocket 6f. Consequently a compost in the hopper 5a is fed by the conveyer 5c and dropped from a front opening 5d.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a power transmission mechanism for driving the conveyor and stirring bar of a fertilizer spreader.

(Conventional technology) To apply fertilizer such as compost to fields 1. The method used is to spread fertilizer on the soil surface and mix it while tilling the soil with a tiller.

Conventionally, as a device for spreading fertilizer, a tractor-pulled fertilizer application machine has been used, which uses the floor of an open tractor as a conveyor, sends fertilizer through the conveyor, and drops the fertilizer from one end of the conveyor.

This tractor-pulled fertilizer applicator is movably supported on two or four tire wheels. The conveyor receives power from the axle of the wheels, or is driven by a grounding wheel provided separately.

(Problem to be Solved by the Invention) Therefore, in conventional fertilizer applicators, the axle is machined, a sprocket is fitted, or a grounding ring is suspended, and a power transmission mechanism is provided between these and the drive shaft of the conveyor. The power transmission mechanism is complicated and has a large number of parts.

(Means for Solving the Problems) In order to solve these problems, the present invention forms a serration part on the outer periphery of a crawler belt for running a trolley, meshes a sprocket with the serration part, and connects the sprocket with fertilizer. Connects to the drive shaft of a feed conveyor, etc.

(Function) The crawler belt for running the trolley rotates the sprocket, and the sprocket drives the fertilizer delivery conveyor etc. via the winding transmission member.

(Example) Embodiments of the present invention will be described below based on the accompanying drawings.

Figure 1 is a side view of the fertilizer spreader according to the present invention, Figure 2 is a plan view of the same, Figure 3 is a diagram of the power transmission mechanism seen from direction A in Figure 2, and Figure 4 is direction B in Figure 2. It is a power transmission mechanism diagram seen from.

The fertilizer spreader 1 includes a self-propelled cart 2, an upper frame 3 placed on the self-propelled cart 2, a groove forming mechanism 4 provided at the center of the front surface of the upper frame 3, and a groove forming mechanism 4 provided at the center of the front surface of the upper frame 3, and a groove forming mechanism 4 provided at the center of the upper frame 3 in the longitudinal direction. It consists of a fertilizer dispensing mechanism 5 provided at the top, a power transmission mechanism 6 for driving the fertilizer dispensing mechanism 5, and a soil covering mechanism 7 provided at the rear end of the upper frame 3. Each configuration will be explained in detail below.

The self-propelled trolley 2 is equipped with crawler belts (infinite track belts) 2b, 2b on both sides of the vehicle body 3, and a prime mover 2c for driving these crawler belts 2b, 2b is placed at the rear, and the prime mover 2C is narrowed. It is a so-called crawler type self-propelled truck with handles 2d and 2d extending rearward and upward.

Crawler-type self-propelled carts have a much larger ground contact area than tire-type carts, so they are suitable for running on soft cultivated soil.

The crawler belt 2b is formed with serrations with which the driving wheel 2e is inscribed and engaged, and the serrations penetrate through the crawler belt 2b, and a serration portion 2f as shown in FIG. 3 is formed on the outer periphery of the crawler belt 2b. ... to form. On both sides of these serrations, staggered protrusions 2g protrude outward from the crawler belt 2b.

The groove forming mechanism 4 includes a soil removal plate 4a that pushes the cultivated soil apart, and a guide member 4b that attaches the soil removal plate 4a to the upper frame 3 so as to be vertically adjustable. Guide member 4b wedge-shaped bolt 4
Loosen C to adjust the height of the discharge plate 4a.

The fertilizer delivery mechanism 5 includes a hopper 5a that receives and stores fertilizer from above, and a stirring rod 5b that horizontally traverses the inside of the hopper 5a to loosen the fertilizer that is falling.

5b, a conveyor 5C forming the bottom of the hopper 5a, and an opening 5d formed in the lower part of the front i1 wall of the hopper 5a.

The conveyor 5c is driven by a power transmission mechanism 6, as shown in FIG.

That is, the power transmission mechanism 6 includes a sprocket 6a that meshes with the serrations 2f of the crawler belt 2b, and a rotating shaft 6 that rotatably supports the sprocket 6a.
b, plates 6c, 6c for attaching the rotating shaft 6b to the upper frame 3, and a sprocket 6 fitted to the rotating shaft 6b.
a and a sprocket 6d that rotates integrally with the conveyor 5.
It consists of a sprocket 6f that fits on the drive shaft 6e of C, and a chain 6g that connects these sprockets 6d and 6f. In other words, the above sprockets ad, 6f and chain 6
A winding transmission member is constructed in combination with g.

Further, as shown in FIG. 4, a two-tooth sprocket 6h is fitted to the rotating shaft 6b, and a sprocket at that fits into the sprocket 6h and the ends of the stirring rods 5b, 5b;
6i is chain 6j.

They are connected by 6j. In other words, the combination of these sprockets 6h, 6i and chain 6j constitutes a winding transmission member.

The soil covering mechanism 7 includes a plate plate 7 arranged in a substantially inverted V shape when viewed from above.
a, 7a, and guide members 7b, 7b for attaching these plate plates 7a, 7a to horizontal frames 3a, 3a which are bolted to the upper frame 3 in a vertically adjustable manner. Adjust the height of the plate plate 7a by loosening the L-shaped screw 7C on the guide member f.

Further, the upper frame 3 shown in this embodiment is fastened to the self-propelled trolley 2 with bolts 2h... Further, jack mounting seats 21 are provided at four locations on the front left and right parts and the rear left and right parts of the upper frame 3, and the porta-pull jacks 8 and
... can be attached and detached freely.

The operation of the fertilizer spreader with the above configuration will be described below. It is assumed that the fields have been sufficiently plowed in advance with a tiller.

The operator starts the prime mover 2C, operates the steering handle 2d and the operating lever 2j provided on this handle, and moves the fertilizer spreader 1 to a predetermined location.

Replenish the hopper 5a with compost, lower the earth removal plate 4a'Et and plate plate 7a to a predetermined height, and set the L-shaped bolts 4c,
Tighten 7c and 7c firmly.

When the operating lever 2j is operated, the prime mover 2C-starting wheel 2e
- Power is transmitted in the order of crawler belt 2b and self-propelled trolley 2
begins to move forward, and at the same time, the sprocket 6a that engages with the serrations 2f of the crawler belt 2b is rotated, and the rotation shaft 6b → sprocket 6d → chain 6g
→The conveyor 5C is driven by the transmission mechanism of the sprocket 6f, and the rotation shaft 6b → the sprocket 6h → the chain 6
j.

6j- Sprocket 6i, stirring rod 5 with transmission mechanism of 6i
b, 5b are rotated.

When the fertilizer spreader 1 is falsely moved forward, the groove forming mechanism 4 first pushes the cultivated soil to form a groove, and the compost in the hopper 5a is guided by the conveyor 5C and falls from the opening 5d in front,
It fits into the groove. Next, the soil covering mechanism 7 pushes down the cultivated soil on both edges of the groove into the groove to backfill the groove.

In this way, fertilizers such as compost are spread into the soil.

When there is no fertilization work due to the off-season, etc., use the upper frame 3.
Jack mounting part 21...portable jack 8.
...and install the horizontal frame 3a.

Remove 3a and raise jack 8... The portable jack 8 stands on its own, and the upper frame 3 is separated upward from the self-propelled cart 2 with the groove forming mechanism 4 and the fertilizer delivery mechanism 5 placed thereon. The sprocket 6a of the power transmission mechanism 6 for driving the fertilizer feeding mechanism 5 and the crawler belt 2b on the self-propelled cart 2 side are only in contact with each other in the height direction, so they can be easily separated. Only the self-propelled trolley 2 is moved backward.

Deflate the porta-pull jack 8.

In this embodiment, the winding transmission member of the power transmission mechanism 6 is a combination of a chain and a sprocket, but these may be a combination of a timing belt and a pulley or a combination of a wire and a pulley.

(Effect of the invention) Therefore, according to the present invention, the drive of the conveyor and the stirring i is
Since the source is transmitted through a sprocket that is in contact with the outer peripheral surface of the upper surface of the crawler belt, the winding transmission member can be made short, and since the spreading of fertilizer is linked to the running of the truck, accurate spreading can be achieved. In addition, the power transmission mechanism can be simplified with fewer parts.

Furthermore, since the upper frame with the fertilizer spreading mechanism placed thereon can be easily removed upwards without disassembling the power transmission mechanism, it can be used as a transport vehicle during the off-season.

[Brief explanation of the drawing]

Figure 1 is a side view of the fertilizer spreader according to the present invention, Figure 2 is a plan view of the same, Figure 3 is a diagram of the power transmission mechanism seen from direction A in Figure 2, and Figure 4 is direction B in Figure 2. It is a power transmission mechanism diagram seen from. In addition, in the drawing, 1 is a fertilizer spreader, 2b is a crawler belt,
2f is a serration part, 5 is a fertilizer delivery mechanism, 5b is a stirring rod, 5C is a conveyor, 6 is a power transmission mechanism, 6a is a sprocket, 6e is a drive shaft, 6d, 6f, 6h, 6i are related to a stand hanging transmission member The sprockets, 6g, and 6J are the same chain. Patent applicant: Honda Motor Co., Ltd. Agent
Person Patent Attorney Part 2 1) Patent Attorney
Kuni Ohashi Otoma Patent Attorney
Yama Yuyuki Patent Attorney No 1)
Shigeru Figure 3 5C Figure 4

Claims (1)

[Scope of Claims] A fertilizer spreader that spreads fertilizer such as compost onto fields using a fertilizer delivery mechanism while traveling on a crawler belt, comprising: a serration portion formed in the longitudinal direction of the outer periphery of the crawler belt; A power transmission mechanism for a fertilizer spreader, characterized in that a sprocket is engaged from the outside of the crawler belt, and the sprocket is connected to the drive shaft of the fertilizer dispensing mechanism via a winding transmission member.