JP2599808B2 - Farm work machine - Google Patents

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial application field) The present invention relates to an agricultural work machine, for example, a method of cultivating crushed soil with a rotary cultivator and leveling the surface of the cultivated soil, or , And those that work by rotary tilling.

(Prior Art) Conventionally, as this kind of agricultural working machine, a configuration is provided in which a cover body for guiding tilling soil is provided above a rotary tilling body, and a terrain body is provided behind the rotary tilling body. Is common.

(Problems to be Solved by the Invention) In the above configuration, the field is cultivated and crushed by transmitting a signal while rotating the rotary tilling body, and the cultivated soil is guided by the cover body and the rear portion of the rotary tilling body is , And the surface of the tilling soil is leveled by the following terrain, but at this time, the tilling soil is easily deposited and deposited on the lower surface of the cover body and the inner surface of the terrain, In particular, when the tilling soil adheres and accumulates on the lower surface of the cover body, the tilling soil has a problem that the tilling claws are easily worn and damaged and broken, and the tilling resistance increases.

In the method in which a rubber plate is provided on the lower surface of the cover body, and the tilling soil attached to the rubber plate is scraped off by the tilling nail, the tilling nail is worn and damaged. Soil adhesion cannot be prevented, the strength is insufficient and it is easy to wear and damage. Furthermore, in the structure where the lower surface of the cover body is processed with Teflon, Teflon easily disappears due to tilling soil, and it is not sufficient by any structure There is a problem that is.

Therefore, the present invention has been made in view of the above problems,
It is possible to always heat the working surface of the cultivated soil against the cultivated soil, thereby preventing the cultivated soil from being deposited on the working surface of the cultivated soil. It is an object of the present invention to provide an agricultural work machine capable of preventing breakage and reducing tillage resistance.

[Configuration of the invention]

(Means for Solving the Problems) An agricultural working machine according to the invention of claim 1 faces a rotary tilling body for tilling a field, a cover body covering an upper portion of the rotary tilling body, and a rear portion of the rotary tilling body. And a grounding plate, and a heating chamber is formed on at least one of the cover body and the grounding body on a side surface with respect to the rotary tilling body to form a heating chamber, and the heating chamber is provided in the heating chamber. The heating fluid for heating the earth plate is supplied.

The agricultural working machine according to the second aspect of the present invention is an agricultural working machine that is connected to the tractor, that is, the rotary tilling body is driven to rotate by the power of the tractor. Waste gas discharged from the engine of the tractor is supplied to at least one of the heating chambers.

The agricultural working machine according to the invention of claim 3 is the device according to claim 1 or 2, wherein the heating chamber of the cover body is formed so as to communicate with the heating chamber of the cover body, and the heating fluid supplied to the heating chamber of the cover body is supplied to the heating chamber of the cover body. It is designed to flow out into the heating chamber.

(Operation) In the agricultural working machine according to the first aspect of the present invention, when the heating fluid is supplied into the heating chamber, the heating fluid heats the heating earth plate. And, for the heated heated earthboard,
When the tilled soil is released by the rotary drive of the rotary tilled body, the tilled soil is dried from the attachment surface by the heat, and is automatically peeled off from the heated soil plate and dropped. The tilling soil is prevented from accumulating.

In the agricultural working machine according to the second aspect of the present invention, exhaust gas discharged from the engine of the tractor is supplied into the heating chamber while retaining heat, and the heated exhaust gas heats the earthboard. Therefore, the tilled soil is dried from the heated soil plate and automatically dropped.

Further, in the agricultural working machine according to the third aspect of the present invention, the heating fluid supplied into the heating chamber of the cover body heats the heating plate, and the heating fluid flows out into the heating chamber of the leveling body to be heated. The fluid heats the heated plate, so that both heated plates are heated by the common heated fluid. Therefore, the tilling soil is dried from the heating earth plate and automatically dropped.

(Example) Hereinafter, a configuration of an example of the present invention will be described with reference to the drawings.

First, in the first embodiment shown in FIGS. 1 to 3, reference numeral 1 denotes an agricultural work machine. As shown in FIG. 1, the agricultural work machine 1 has a main body frame 2, a transmission 4 having an input shaft 3, a rotary It is provided with a tilling body 5, a cover body 6, and a terrain body 7.

The main body frame 2 has a main frame 8 extending in the left-right direction, and upper ends of brackets 9 opposed to left and right are fixed to both ends of the main frame 8. The chain case 10 is fixed. A mission 4 is provided at an intermediate portion of the main frame 8 so as to rotatably project the input shaft 3 toward the front, and an upper connecting arm 11 is integrally protruded from an upper portion of the mission 4. A lower connecting arm 12 projects integrally from the left and right portions of the main frame 8. The upper connecting arm 11 and the left and right lower connecting arms 12 are connected and supported by stays 13.

The rotary tilling body 5 has a tilling shaft 14 extending in the left-right direction, and a large number of flanges 15 are fixed at predetermined intervals in the axial direction of the tilling shaft 14.
A plurality of tilling claws 16 are radially protruded from the outer periphery of 15. Further, both ends of the tilling shaft 14 are rotatably mounted between lower ends of the left and right brackets 9 via bearings, and a chain is attached to a projecting portion of the tilling shaft 14 which projects into the lower end of the chain case 10. The projection of the output shaft of the transmission 4 protruding into the upper end of the case 10 is rotatably and interlocked via an interlocking medium 17 including an endless chain, and the output shaft of the transmission 4 is inserted into the main frame 8. It is rotatably inserted and supported.

The cover body 6 has left and right side plates 18 as shown in FIGS. 2 and 3, and is directed upward between the left and right side plates 18 so as to follow the rotation locus of the rotary tilling body 5. A protruding arc-shaped heating plate 19 is integrally fixed, and a covering frame 20 having a U-shaped cross section is airtightly integrated between the left and right side plates 18 located above the heating plate 19. A series of heat insulating materials 24 are integrally fixed to the inner wall portion of the horizontal plate portion 21 and the front vertical portion 22 and the rear vertical portion 23 of the coating frame 20,
An airtight heating chamber 25 is formed by the covering frame 20 having the heat insulating material 24 and the heating plate 19. A hollow pipe-shaped connecting member 26 opened into the heating chamber 25 is airtightly connected to one end of the front vertical portion 22 of the covering frame 20 in an airtight manner. A hollow pipe-shaped exhaust pipe 27 opened into the heating chamber 25 is airtightly and integrally connected to the other end of the section 23. The cover body 6 is located above the rotary tilling body 5 and disposed between the left and right brackets 9, and the left and right side plates 18 are integrally fixed to the left and right brackets 9. I have.

The upper end of the grading body 7 is attached to the left and right portions of the rear vertical portion 23 of the covering frame 20 via a hinge 28 so as to be vertically rotatable. Established supporting frame
29 is rotatably mounted on the rear end of the suspension rod 30 via a support shaft 31, and the vicinity of the front end of the suspension rod 30 is adjusted in the front-rear direction by a support 32 provided on the main frame 8. It is freely supported. The terrain body 7 faces the rear part of the rotary tilling body 5. In the drawing, reference numeral 33 denotes an extension cover fixed to the rear ends of the left and right brackets 9.

Reference numeral 34 denotes a tractor that pulls the agricultural work machine 1. The tractor 34 has a main body 36 on which wheels 35 are rotatably mounted in front and rear and right and left directions. An engine 37 is mounted on a front portion of the main body 36. And a top link at the rear end of the body 36
38, left and right lower links 39, lift mechanism 40 and power take-out shaft
41 are provided. A connecting cylinder 42 is provided at one side of the engine 37 at an exhaust portion for discharging exhaust gas as a heating fluid.
Is connected to one end of a flexible pipe 43 having heat insulation, non-combustibility and elasticity, and the other end of the flexible pipe 43 is connected to the connector 26 of the cover 6. It is connected. The tip of the top link 38 is rotatably mounted on the upper connecting arm 11 via a support shaft 44, and the tip of the left and right lower links 39 is connected to the lower connecting arm 12 via a lower pin 45. A power transmission shaft 46, which is rotatably mounted on the shaft and is fixed to the power take-out shaft 41 and the input shaft 3, and is fixed in a direction around the shaft, is connected to a universal joint 47 at the front and rear portions thereof by spline fitting. ing.

 Next, the operation of the configuration of the above embodiment will be described.

When the engine 37 of the tractor 34 is operated, the exhaust gas passes through the connecting tube 42, the flexible pipe 43, and the connecting member 26 at one end of the cover body 6 while retaining the exhaust heat, and the heating chamber is heated.
25, the exhaust gas of the exhaust gas heats the heating plate 19 sufficiently, and the exhaust gas is exhausted outward from the exhaust pipe 27 at the other end. Therefore, as long as the engine 37 continues to operate, the heating plate 19 in the heating chamber 25 is continuously heated by the exhaust heat of the exhaust gas. In this case, since the flexible pipe 43 has heat insulation and non-combustibility, and the heating chamber 25 is covered with the heat insulating material 24, heat loss is small, and therefore the heating plate 19 is concentrated by the exhaust heat of the exhaust gas. And it is constantly heated.

When the tractor 34 travels, the agricultural work machine 1 is towed and the power of the power take-off shaft 41 of the tractor 34 is transmitted to the input shaft 3 via the power transmission shaft 46. The cultivating shaft 14 is rotationally driven via the medium 17, so that the tractor 24 pulls and advances the agricultural work machine 1, the rotary tilling body 5 rotates and the rotary tilling body 5 cultivates the field. . Then, the cultivated soil tilled by the rotary cultivator 5 is released toward the terrain body 7, and the surface portion of the cultivated soil is sequentially advanced by the terrain body 7, and a part of the cultivated soil is cultivated. Is carried along with the rotation of the rotary tilling body 5, and is guided forward by the heating plate 19 of the cover body 6 and is released forward and downward. At this time, when the cultivated soil is released by the rotary drive of the rotary tilling body 5 to the heated soil plate 19 heated by the exhaust heat, the cultivated soil is attached by the heat of the heated soil plate 19. It is dried from the surface and is automatically peeled off from the heating board 19 and dropped.
The tilling soil is prevented from accumulating on 19.

 Next, a second embodiment will be described with reference to FIG.

In the second embodiment, a large number of baffle plates 48 are arranged and fixed in the heating chamber 25 of the cover body 6 in a zigzag manner at predetermined intervals in the left and right direction, and the space between each baffle plate 48 and each baffle plate is fixed. Plank 48
Of the cover and the front vertical portion 22 and the rear vertical upper portion of the cover body 6
A flow path 49 of a heating fluid, that is, an exhaust gas is formed between the flow path and the heating fluid.

With this configuration, the heating chamber can be
The exhaust gas that has flowed into the inside 25 flows through a flow path 49 composed of each baffle plate 48 and is exhausted from the exhaust pipe 27. At this time, the exhaust gas is bypassed in the heating chamber 25 by each baffle plate 48. Therefore, the heat conduction with respect to the heating plate 19 is good, and the baffle plate 48 provides a noise reduction effect. The other configuration is the same as that of the first embodiment, and the description is omitted.

 Next, a third embodiment will be described with reference to FIG.

In the third embodiment, a partition plate is provided in the heating chamber 25 of the cover 6.
50 is provided to divide the inside of the heating chamber 25 back and forth, and a flow gap 51 is formed between one end of the partition plate 50 and one of the side plates 18 of the cover body 6, and a rear vertical shape of the cover body 6 is formed. An exhaust pipe 27 is connected to one end of the part 23 in an airtight manner.

With this configuration, the heating chamber can be
The exhaust gas that has flowed into the front compartment 25a in the partition 25
0 and flows into the rear compartment 25b from the circulation gap 51 and is exhausted from the exhaust pipe 27. At this time, the exhaust gas is bypassed from the front compartment 25a to the rear compartment 25b. Therefore, the heat conduction with respect to the heating plate 19 is good, and the noise reduction effect is obtained. The other configuration is the same as that of the first embodiment, and the description is omitted.

Next, a fourth embodiment will be described with reference to FIGS.

In the fourth embodiment, the exhaust gas exhausted from the cover body 6 is taken into the terrain body 7 and exhausted from the terrain body 7. In this case, the terrain body 7 has side plates 52 on the left and right sides, and an arc-shaped heating earth plate 53 is integrally formed on the inner portion between the left and right side plates 52 so as to correspond to the rotation locus of the rotary tilling body 5. A covering frame 54 having an insulating layer on the inner wall surface is fixed airtightly between the left and right side plates 52 at an outer side portion of the heating-to-earth plate 53 so as to be fixed. An airtight heating chamber 55 is formed by the heating plate 53. A hollow pipe-like connecting tool 56 opened into the heating chamber 55 is airtightly connected integrally to one upper end of the coating frame 54 at the other end at the other side of the coating frame 54. A hollow pipe-shaped exhaust pipe 57 opened into the heating chamber 55 is airtightly and integrally connected. A conduit 58 made of a flexible pipe having heat insulation and noncombustibility is connected between the connection tool 56 and the exhaust pipe 27 of the cover body 6.

With this configuration, the heating chamber of the cover body 6
Exhaust gas exhausted from the exhaust pipe 27 of 52 flows into the heating chamber 55 of the terrain body 7 through the conduit 58 while retaining the exhaust heat,
The heated earth plate 53 is sufficiently heated by the exhaust heat of the exhaust gas, and the exhaust gas is exhausted outward from the exhaust pipe 57.

Then, the cultivated soil tilled by the rotary tilling body 5 is released toward the terrain body 7, and
The surface of the cultivated soil is gradually leveled by
At this time, when the cultivated soil is released by the rotary drive of the rotary tilling body 5 against the heated soil plate 53 heated by the exhaust heat, the cultivated soil is released from the attachment surface by the heat of the heated soil plate 53. After being dried, it is automatically peeled off from the heating earth plate 53 and dropped, so that the tilling soil is prevented from being deposited on the heating earth plate 53.

Accordingly, in this embodiment, by supplying exhaust gas into the cover body 6 and the terrain body 7, both the heating of the cover body 6 and the heating terrain plate 53 of the cover body 6 and the heating of the terrain body 7 against the earth plate 53 are performed by the exhaust heat. The cultivated soil is prevented from being attached and deposited on both of them, and the weight of the cultivated soil due to the cultivated soil is prevented. Since other configurations are the same as those of the first embodiment, the same reference numerals are added to the same portions, and the description is omitted.

Next, a fifth embodiment will be described with reference to FIGS. 9 and 10. FIG.

The fifth embodiment is different from the fourth embodiment in that heating chambers 59, 60 are formed in the upper and lower portions of the terrain body 7, and a conduit made of a flexible pipe is provided between one end of the upper and lower heating chambers 59, 60. Both ends of the heating chamber 60 are air-tightly connected via a connector 61a, and an exhaust pipe 62 is
Are connected in an airtight manner.

With this configuration, the exhaust gas flowing into the upper heating chamber 59 flows into the lower heating chamber 60 via the conduit 61 and is exhausted from the exhaust pipe 62, and the fourth embodiment is described. The same operation as described above is performed. The other configuration is the same as that of the fourth embodiment, so the same reference numerals are added and the description is omitted.

〔The invention's effect〕

According to the invention of claim 1, a heating chamber is formed by arranging a heating earth plate on the rotary tilling body side of at least one of the cover body and the leveling body for the rotary tilling body, and a heating fluid is supplied into the heating chamber. As a result, it is possible to always heat the working surface of the cultivated soil against the cultivated soil, thereby reliably preventing the cultivated soil from being deposited on the working surface of the cultivated soil. It is possible to reliably prevent wear damage and breakage of the tilling claw and reduce tilling resistance.

According to the second aspect of the invention, by utilizing the exhaust gas of the engine as the heating fluid, a special heat source is not required, and the economy and productivity can be improved.

According to the third aspect of the present invention, the heating fluid supplied to the heating chamber of the cover body is further supplied and used for heating the heating chamber of the terrain body. The soil plate can be reliably heated.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is a side view of an agricultural working machine connected to a tractor, and FIG.
FIG. 3 is a vertical sectional side view of the line b-b, FIG. 3 is a cross-sectional plan view of a cover body showing another embodiment,
FIG. 5 is a cross-sectional plan view of a cover body showing still another embodiment,
6 to 8 show still another embodiment, wherein FIG. 6 is a side view of the agricultural working machine, FIG. 7 is a cross-sectional plan view taken along the line c-c in FIG. ~ Vertical side view of the d-line part,
9 and 10 show still another embodiment, in which FIG. 9 is a vertical sectional side view of a leveling body, and FIG. 10 is a plan view of the same. 1 ... Agricultural work machine, 5 ... Rotary tilling body, 6 ... Cover body, 7 ... Tilling body, 19,53 ... Heating to earth plate, 25,55,59,
60 ... heating room, 34 ... tractor, 37 ... engine.

Claims (3)

(57) [Claims] A rotary tilling body for cultivating a field, a cover body covering an upper part of the rotary tilling body, and a terrain body facing a rear part of the rotary tilling body. A heating chamber is formed by arranging a heating ground plate on a side surface of the rotary tilling body on at least one of the ground grading bodies, and a heating fluid for heating the heating ground plate is supplied into the heating chamber. And agricultural working machine. 2. An agricultural work machine connected to a tractor and rotating a rotary tilling body by the power of the tractor, wherein the engine of the tractor is discharged into a heating chamber of at least one of a cover body and a leveling body for the rotary tilling body. 2. The agricultural working machine according to claim 1, wherein the exhaust gas is supplied. 3. The heating chamber of the ground adjustment body is formed in communication with the heating chamber of the cover body, and the heating fluid supplied to the heating chamber of the cover body flows out and is supplied to the heating chamber of the ground adjustment body. Or the agricultural working machine according to 2.