JPS5812632Y2 - Tractor mount - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a tractor-mounted power soil disinfection machine, and its purpose is to efficiently inject a chemical solution into the soil at equal pitches.

By injecting a chemical solution such as nematicide solution into the soil, root knot nematodes and
Tractor-mounted powered soil disinfection machines for controlling pests such as root rot nematodes are known.

This invention is a tractor-mounted power soil disinfection machine in which the chemical pump is driven in conjunction with the lugs that are always attached to the tractor wheels. a chemical solution tank containing a liquid and fixed on the tractor body; a pump means for discharging the nematicidal solution; a pump driving means; an injection means for injecting the discharged solution into the soil; In the power soil disinfection machine, the pump driving means includes a roller that comes into elastic contact with the outer peripheral surface of the wheel of the tractor; and a swinging arm that is equipped with the roller and is operatively connected to the pump means, and when the wheel rolls, A swinging arm is provided to operate due to unevenness changes due to the lugs, and when the injection means is moved in lifting height,
The point is that a means is provided for releasing the roller from elastic contact with the wheel.

A specific example of the present invention will be described below in detail according to the drawings. In FIGS. 1 and 2, 1 is a tractor body, 2 is a transmission case, and 3 is a rear wheel having lugs 4 on its outer circumferential surface at equal intervals in the circumferential direction. , 5 is a rear wheel fender.

Reference numeral 6 denotes a hydraulic device for lifting and lowering the working machine, which is placed on the transmission case 2 and has a pair of left and right lift arms 7.

8 is a center drive type rotary tiller, 1
It is attached to the rear of the tractor body 1 so that it can be raised and lowered by a three-point link mechanism consisting of a top link 9 and a pair of left and right lower links 10.

As shown in the third diagram, the rotary tilling device 8 includes a tilling shaft 11 that rotates around a horizontal horizontal axis, a tilling claw 12 embedded in this shaft 11, and a disc rotor provided on the shaft 11 on both sides of the claw 12. 13, and the disc rotor 13 has a spiral shape that gathers the tilled soil toward the center.

Of course, this rotary tilling device 8 is driven by connecting the input shaft 15 of the rotary chain case 14 and the tractor PTO shaft 16 with a joint shaft 17.

A chemical tank 18 is supported via a stay 19 fixed to the rear wheel fender 5, and a highly volatile nematicidal liquid such as lupicrin is stored in the tank 18. There is.

The chemical liquid tank 18 is provided with a pump means 20 for discharging the chemical liquid therein, and the pump means 20 is constituted by, for example, a plunger pump.

A flexible injection pipe 21 communicates with the discharge port of the pump means 20, and is inserted into the injection blade 22 along the fender 5 and the like.

The injection blade 22 is provided, for example, in the center of the lower abdomen of the tractor body 1 so as to be rotatable around a horizontal axis, and its lower end is submerged into the soil.

It is advantageous for the injection blade 22 to be constructed of a pipe having a triangular cross section, as shown in the third figure, in order to be able to cut the soil and perform the function of cultivating soil.

Note that a rod 23 is pivotally interposed between the injection blade 22 and the lower link 10.

Of course, instead of the injection blade 22 as shown in FIG. 1, injection blades 22 as shown in FIGS. 5 and 6 may be used.
In the example shown in the fifth and sixth figures, the injection blade 22 is attached along the rotary chain case 14 and fastened with a bolt 24, and the end of the injection blade 22 is in a backward downward position.

Reference numeral 25 denotes a pump driving means, which includes a bell crank-shaped swinging arm 27 that swings around a horizontal axis around a support shaft 26 installed in the fender 5, and a swinging arm 27 provided at one end of this swinging arm 27 so as to be freely removable. The other end of the swinging arm 27 is pivotally connected to the plunger 29 of the pump means 20, and a spring is inserted between the roller 28 and the fixed side so that the roller 28 comes into elastic contact with the outer peripheral surface of the rear wheel 3. 30 is installed.

As shown in the second figure, the roller 28 can only roll freely on a roller support cylinder 31, and the roller support cylinder 31 is fitted around a support shaft 32 and attached at set poles 1 to 33.

Therefore, when the pole 1-33 is loosened, the roller support tube 31 can slide freely on the support shaft 32, and since the lugs 4 are normally installed diagonally, the same function as changing the lug pitch can be achieved. I can demonstrate it.

The swinging arm 27 is provided with a lever 34 projecting rearward, and this lever 34 and a lever 35 provided on the lower link 10, for example, are in a phantom positional relationship.

In other words, while working, both rods 34° and 35 are separated,
For example, the lift rod 36 is used to rotate the tractor body 1.
When the entire body is lifted up by means of, for example, the pulling side rod 35 pushes up the pulled side rod 34, and the elastic contact between the roller 28 and the rear wheel 3 can be released.

3T is a ridge former placed at the rear central part of the tillage device 8, 38
39 is a pair of left and right gauge wheels, and 39 is a roll around which a synthetic resin sheet or film 40 such as polyethylene is wound.

40 is a sea I guide roll, 42 is a sheet guide member, and this guide member 42 guides the fed sheet 40 into a ridge shape, and has an arch shape that straddles the ridges 43.

Reference numeral 44 denotes seat foot rolling wheels, which are provided in pairs on the left and right sides.

Reference numeral 45 indicates a pair of left and right soil covering members.

In the present invention configured as described above, when the one-heftwing machine body 1 moves forward, the chemical liquid in the chemical liquid tank 18 is intermittently discharged at a constant pitch.

Since the lugs 4 are formed on the rear wheel 3 at equal pitches, the roller 28 that comes into elastic contact with the rear wheel 3 follows the irregularities.

Therefore, the swing arm 27 swings about the support shaft 26, thereby causing the plunger 29 to reciprocate.

Therefore, if it is set that the plunger 29 is in the suction position when the roller 28 rests on the lug 4, and is in the Iltl rest position when it comes off the lug 4, the chemical solution in the tank 18 will be transferred to the pipe by the transfer of the rear wheel 3. 20 and reaches the injection blade 22, where it is injected into the soil.

The chemical liquid injected into the soil is placed in the center, and both sides of the site are tilled by the tiller 8, and the tilled soil is collected in the center by the disc rotor 13, so that it is covered with the chemical liquid. Become.

At the same time, the tiller is formed as a ridge 43 by the ridge former 37, and a chemical solution is injected into the ridge 43 as indicated by the numeral 46 in the fourth figure.

If this chemical solution is highly volatile, such as chloropicrin, if it is injected into the ridges 43 and sealed under pressure, it will quickly evaporate into the outside air and the soil disinfection function will deteriorate.

At the same time, the chemical solution is disadvantageous in that it is harmful to the human body.

By the way, in the present invention, after the ridge 43 is formed, a means is provided to cover the ridge 43 with the seal 1-40, so that the evaporation of the chemical liquid is blocked by the seal 1-40.

In this way, as the tractor body 1 travels, a series of processes including chemical injection, work, plowing work, ridge forming work, and mulching work can be performed simultaneously.

Then, in order to turn the tractor body 1, when the tilling device 8 and below are raised by the hydraulic device 6, the towing side rod 35 pushes up the towed side rod 34, thereby causing elastic contact between the rollers 28 and the rear wheels 3. Release the condition to prevent wasteful ejection of chemical liquid here.

Moreover, at the same time, the injection blade 22 is lifted up to the backward upward position via the rod 23.

This invention is implemented as described above, and the chemical liquid in the chemical liquid tank can be ejected by using the rolling force of the rear wheels to drive the pump, and the ejection is also directed to the rear wheels. Since the formed lugs have a uniform pitch, there is an advantage that a fixed amount can be injected intermittently without waste.

In addition, since the rollers separate from the rear wheels when the work equipment is lifted, there is no needless spraying of chemical solution, and if the rollers are movable and adjustable, the injection timing can be adjusted according to the soil properties, etc. There are also advantages.

[Brief explanation of drawings]

Figure 1 is a side view showing the overall configuration of the present invention, and Figure 2 is a side view showing the overall configuration of the present invention.
3 is a plan view schematically showing the outline of FIG. 1, FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. 3, and FIG. 5 is a side view showing the other side of the chemical liquid injection means. Figure, Figure 6 is Figure 5 Vl-V
It is a sectional view taken along I line. 1... Tractor body, 3... Rear wheel,
4...Lug, 18...Medicine tank, 2
0... Pump means, 22... Injection blade,
25... Pump 1 driving means, 27...
Swing arm, 28...Roller, 29...
・Plunger, 35...Ken side rod.

Claims (1)

[Scope of utility model registration request] A chemical tank containing a nematicidal liquid and fixed on the tractor body; Pump means for discharging the nematicidal liquid; Pump driving means; Injection means for injecting the discharged liquid into the soil. In the power soil disinfection machine, the pump drive means includes a roller that comes into elastic contact with the outer peripheral surface of the wheel of the tractor; and a swinging arm that is equipped with the roller and is operatively connected to the pump means, so that the wheel rotates. A tractor-mounted power soil disinfection machine, comprising: a tractor-mounted power soil disinfection machine, which operates a swinging arm by moving the swinging arm by changing the unevenness caused by the lugs, and also includes means for releasing the roller from elastic contact with the wheel when the injection means is lifted up.