JP2003009606A - Agricultural working machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an agricultural working machine capable of arranging a long length acting body in the vicinity of a plowing part as near as possible from its rear direction. SOLUTION: This agricultural working machine is provided by installing a mount body 4 at a plow working machine 3 mounted on a traveling vehicle 2, supporting the long acting body 5 thrusting into deeper into soil than the plow working machine 3 does on the mount body 4, and arranging the long acting body-supporting part 4A of the above mount body 4 within a range of a length L in the front to rear of the plow working machine 3 and also in the rear part of the plow working part.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an agricultural working machine in which a long working body is attached to a tilling working machine.

[0002]

2. Description of the Related Art Conventionally, in order to efficiently perform soil improvement,
There is an agricultural working machine in which a long-acting body such as a subsoiler is attached to a rotary cultivator so that subsoil crushing work and crushed soil cultivating work can be simultaneously and continuously performed. An example of this type of agricultural working machine is disclosed in Japanese Unexamined Patent Application Publication No. 2001-112303, in which an automatic hitch frame is attached to a tractor via a three-point link mounting means. A rotary cultivator is connected to the rear end, and a subsoiler is attached to the middle of the auto hitch frame via a mounting body.

In some cases, a dedicated device mounting frame is projected rearward from the rotary cultivator and a subsoiler is mounted on the device mounting frame via the mounting body.

[0004]

In both of the above-mentioned prior arts, the subsoiler is largely separated from the tiller of the rotary tiller in the front-rear direction, the moment during work is increased, the rotary tiller is floated, and the working depth is increased. It may be difficult to stabilize, and the misalignment between the tillage part and subsoil crushing for each stroke becomes large. Further, in the technique in which the subsoiler is arranged behind the rotary cultivator, the turning radius of the tractor may be large, a large amount of headland may remain, and horsepower loss due to resistance may increase.

It is an object of the present invention to provide an agricultural working machine capable of solving the problems of the prior art. The present invention supports a long working body with a mounting body provided in a tilling machine, and a long working body supporting portion of this mounting body is provided within the front-rear length of the tilling machine and at the rear part of the tilling machine. An object of the present invention is to provide an agricultural working machine in which the long acting body can be arranged as close as possible to the tillage part from the rear by arranging the long working body.

[0006]

A first specific means for solving the problems in the present invention is to provide a mounting body 4 on a tilling implement 3 mounted on a traveling vehicle 2 and to mount the mounting body 4.
The long working body 5 that is deeper than the cultivator 3 into the soil, and the long working body support portion 4A of the attachment 4 is within the front-rear length L of the cultivator 3 and the cultivating work. It is located at the rear of the machine 3. As a result, the long working body 5 that goes deeper into the soil than the tiller 3 has the tiller 11
It is placed as close as possible from the rear to reduce the moment during work.

The second concrete means for solving the problems in the present invention is, in addition to the first concrete means, the cultivating implement 3 includes a power transmission system including the input shaft 7 to the claw shaft 8. A machine frame 9 for supporting a cultivating part, a cultivating cover 12 for covering a cultivating part 11 formed by a cultivating claw 10 provided on a claw shaft 8, and a traveling vehicle 2 provided on the machine frame 9 via a mounting means 13. That is, it has a connecting member 14 to be mounted and a device mounting frame body 15 protruding rearward from the machine frame 9. Thereby, it becomes possible to dispose the long acting body 5 as close as possible to the tilling part 11 and to put it in the soil deeper than the tilling part 11.

The third concrete means for solving the problems in the present invention is, in addition to the second concrete means, the equipment mounting frame body 15, in which the front portion of the equipment mounting frame body 15 can be adjusted in the angle around the horizontal axis. That is, the attachment body 4 of the long acting body 5 is detachably attached to the rear portion. As a result, the long working body 5 is arranged as close to the tilling section 11 as possible, and the angle and height of the field can be adjusted with respect to the field. The fourth concrete means for solving the problems in the present invention is, in addition to the second or third concrete means, a pair of left and right of which the front part is pivotally supported by the machine frame 9 in the device mounting frame body 15. The front and rear members 17, the rear member 18 that connects the rear ends of the front and rear members 17, and the rear member 1
8 has a middle member 19 that connects the front and rear members 17 on the front side.

As a result, the equipment mounting frame body 15 can be firmly constructed. In addition to the fourth specific means, a fifth specific means for solving the problems in the present invention is such that the attachment body 4 projects rearward from a support portion 4A that supports the long acting body 5, and The attachment part 4B attached to the rear member 18 and the intermediate member 1 in a state where the attachment part 4B is attached to the rear member 18 by projecting forward from the support part 4A.
9 has an engaging portion 4C that engages from above. As a result, the attachment body 4 is firmly attached, and the device mounting frame body 15 can sufficiently support the load received from the long acting body 5.

According to a sixth concrete means for solving the problems in the present invention, in addition to the fifth concrete means, the mounting body 4 forms a member forming an engaging portion 4C and a supporting portion 4A. That is, it is fixed or detachably fixed to the member. As a result, the formation of the engagement portion 4C can be selected from fixed and fixed, and if the member forming the engagement portion 4C is fixed to the member forming the support portion 4A, the handling becomes easy and the attachment / detachment becomes possible. If fixed, the mounting body 4 can be configured according to the shape of the device mounting frame 15.

The seventh concrete means for solving the problems in the present invention is, in addition to the fifth or sixth concrete means, the mounting body 4 has an engaging portion 4C at two positions on the left and right sides of the intermediate member 19. It is formed in a bifurcated shape so as to be engaged. As a result, the load applied from the engagement portion 4C to the intermediate member 19 is dispersed, and the durability is improved. Eighth concrete means for solving the problems in the present invention is, in addition to the fifth or sixth concrete means, attaches the engagement portion 4C of the attachment body 4 to the support portion 4A in parallel with the intermediate member 19. Lateral member 57
And the intermediate member 1 provided at both ends of the lateral member 57.
9 and a locking member 58 that locks to 9.

As a result, the locking member 58, which is locked to the intermediate member 19, can be sufficiently separated and locked, and the engaging portion 4
The load applied from C to the intermediate member 19 is more dispersed, and the durability is improved. A ninth concrete means for solving the problems in the present invention is that, in addition to the concrete means of any one of the first to eighth aspects, the long acting body 5 is arranged so as to be inclined in an upper trailing lower part preceding manner. That is. This improves the subsoil cut and straightness.

The tenth concrete means for solving the problems in the present invention is the concrete means according to any one of the first to ninth aspects, in addition to the lower end of the long acting body 5, the tiller of the tiller 3 is cultivated. That is, it is located below the part 11 and is close to the tilling part 11 in the front-rear direction. As a result, the lower end of the long acting body 5 can be arranged as close as possible to the tilling part 11, the turning radius of the traveling vehicle 2 can be reduced, the moment at the time of work can be reduced, and the lifting of the tiller 3 can be reduced. The stability of the plowing depth can be improved, and the displacement between the tilling part 11 and the subsoil crushing can be reduced.

An eleventh concrete means for solving the problems in the present invention is the same as any one of the first to ninth concrete means, in which the lower end of the long acting body 5 is cultivated by the cultivator 3. That is, it is overlapped with the tilling part 11 in the front-back direction below the part 11. As a result, the lower end of the long acting body 5 can be arranged closest to the tilling part 11 in the front-rear direction, the tilling and the subsoil crushing can be performed simultaneously, the turning radius of the traveling vehicle 2 can be reduced, and the work can be performed. The moment of time is reduced, the lifting of the tiller 3 is reduced, the stability of the tillage is improved, and the positional deviation between the tiller 11 and the subsoil crushing can be reduced.

The twelfth concrete means for solving the problems in the present invention is the same as any one of the first to eleventh concrete means, and the cultivating cover 12 has an upper cover 20 for covering the upper part of the cultivating part 11. And a rear cover 21 that covers the rear of the tiller 11, and the rear cover 21 is formed with a hole 24 for vertically inserting the long acting body 5. Thereby, the lower end of the long acting body 5 can be disposed as close as possible to the tilling part 11 while overlapping the lower end of the long acting body 5 in the front-rear direction, and the tiller cover penetrating structure of the long acting body 5 can be easily configured.

The thirteenth concrete means for solving the problems in the present invention is the same as any one of the first to eleventh concrete means, and the cultivating cover 12 is an upper cover 20 for covering the upper part of the cultivating part 11. And a rear cover 21 that covers the rear of the tiller 11, and a cutout 25 for arranging a pottery is formed in the rear cover 21 from the rear lower edge of the cover to the middle, and the cut 25 has the long length. That is, the working body 5 is vertically inserted. As a result, the lower end of the long acting body 5 can be arranged as close as possible to the tilling part 11 while overlapping the lower end of the long acting body 5 in the front-rear direction, and the tilling cover insertion structure of the long acting body 5 can be easily configured.

The fourteenth concrete means for solving the problems in the present invention is, in addition to the concrete means of any one of the second to fourth aspects, a device mounting frame body 15 rearward of the elongated action body 5. That is, the two wheels 26 are attached. As a result, the lower biting resistance of the long acting body 5 can be supported by the rear two wheels 26. Fifteenth for solving the problems in the present invention
In addition to any one of the second to fourth concrete means, the mounting body 4 can be mounted upside down on the device mounting frame body 15.

As a result, the mounting body 4 and the long working body 5 can be retracted upward when unnecessary. The sixteenth concrete means for solving the problems in the present invention is, in addition to any one of the first to fifteenth concrete means, the long acting body 5,
That is, the mounting body 4 can be mounted upside down. As a result, the long acting body 5 can be inverted and retracted to the upper side when unnecessary. The seventeenth concrete means for solving the problems in the present invention is the concrete means according to any one of the first to sixteenth aspects, wherein the long acting body 5 is the mounting body 4
The vertical position is adjustable.

As a result, the depth of subsoil crushing by the long-acting body 5 can be adjusted. The eighteenth concrete means for solving the problems in the present invention is the same as any one of the first to seventeenth concrete means, and in addition to the long acting body 5, the long acting body supporting portion 4A of the attachment body 4 is provided. Is to have the post 5A attached to the. This facilitates the attachment of the long acting body 5 to the attachment body 4. A nineteenth concrete means for solving the problems in the present invention is the same as the eighteenth concrete means, in which the long pillar 5A of the long acting body 5 is attached to the long acting body supporting portion 4A of the mounting body 4. Bar material 27
And a strip 28 fixed to the lower part of the bar 27.

This makes it possible to simplify the attachment of the elongated action body 5 to the attachment body 4, reduce the resistance to subsoil crushing, and improve the strength. A twentieth concrete means for solving the problems in the present invention is, in addition to the concrete means according to any one of the first to nineteenth aspects, the long acting body 5 is provided with a crushing blade 5B at a lower part thereof which is below the tiller. It is provided. This allows the crushing blade 5B to efficiently crush and soften the hard disk and subsoil.

The twenty-first concrete means for solving the problems in the present invention is that, in addition to any one of the first to twentieth concrete means, the long acting body 5 is a subsoiler or a bread placer. . As a result, the hard disc and subsoil can be efficiently crushed and softened. A twenty-second concrete means for solving the problems in the present invention is the concrete means according to any one of the first to twenty-first aspects. Is connected via the tow cable 30.

As a result, the water permeability, air permeability and water retention of the hard disc and subsoil can be efficiently improved. A twenty-third concrete means for solving the problems in the present invention is, in addition to the concrete means according to any one of the first to twenty-second aspects, the long acting body 5 is provided with a plow member 31 at an upper and lower midway portion. That is. This allows plowing and reversing with the plow member 31 while crushing and softening the hard disc and subsoil. A twenty-fourth concrete means for solving the problems in the present invention is that, in addition to any one of the first to twentieth concrete means, the long acting body 5 is a dashing prevention resistor.

As a result, dashing of the tiller 3 can be prevented. 25th Solution to Problems in the Present Invention
In addition to any one of the first to twenty-fourth concrete means, the mounting body 4 and the long acting body 5 are arranged in the tilling implement 3 in one pair or in plural pairs in the tilling width direction. It is that you are. By this, the interval at which the hard disc and subsoil are crushed and loosened can be appropriately set.

[0024]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 and FIG. 5 showing various modifications, the agricultural work machine 1 has a sub-soiler 6 (subsoil work implement) mounted on a tilling work machine 3 (soil layer work machine) mounted on a traveling vehicle 2. It is configured. The tiller 3 is
Shows a downcut rotary tiller with an input shaft 7
From the gear case 35 supporting the left and right support arms 3
6 is provided, a transmission case 37 is provided at the end of the left support arm 36, a side frame 38 is provided at the end of the right support arm 36, and the pawl shaft 8 is rotatably provided under the transmission case 37 and the side frame 38. The power that is supported and transmitted from the PTO shaft of the traveling vehicle 2 to the input shaft 7 via the universal joint shaft is transmitted from the input shaft 7 via the transmission means arranged in the left support arm 36 and the transmission case 37. It is transmitted to the pawl shaft 8.

A machine frame 9 is constituted by the gear case 35, the left and right support arms 36, the transmission case 37, the side frame 38, etc., and the machine frame 9 includes powers including those from the input shaft 7 to the claw shaft 8. The transmission system is supported. A large number of plowing pawls 10 are provided at intervals in the axial direction and the circumferential direction on the pawl shaft 8 which is rotationally driven about the horizontal axis, and the plowing part 11 is formed by the plowing pawls 10. The tilling section 11 is covered with a tilling cover 12. The cultivating cover 12 has an upper cover 20 that covers the upper part of the cultivating part 11, a rear cover 21 that covers the rear part of the cultivating part 11, and an extension cover 22 behind the rear cover 21.

The left and right ends of the upper cover 20 are the transmission case 3
7 and the side frame 38 and is fixed to the machine frame 9. The rear cover 21 is pivotally supported at the rear end of the upper cover 20 through a pivot shaft 40 so as to be vertically swingable. 9, the lowering means (equal pressure adjusting means) 41, the rear cover 21
A plowing depth adjusting means (not shown) for automatically adjusting the plowing depth by detecting the angle is provided. At the center of the rear cover 21 in the plowing width (left and right) direction, an opening for vertically inserting the pillar of the cultivator 33 (shown in FIG. 3) when cultivating soil at the same time as plowing is formed. In FIG. 2, the opening is formed by a hole (long hole) 24. In FIG. 3, the opening is formed by the triangular notch 25 formed from the lower rear edge of the cover to the middle portion.

Both the hole 24 and the notch 25 allow the pillar portions of the sub-soiler 6 to be vertically inserted and arranged, and when neither the sub-soiler 6 nor the pottery 33 is mounted, they have the corresponding shapes. Closed with a cover. Further, the rear cover 21 is formed with recesses on the left and right rear lower sides, and the recesses avoid interference with the rear two wheels 26 when the rear two wheels 26 are used without mounting the extension cover 22. The small cover 42 closes when the extension cover 22 is mounted.

An extension cover 22 is detachably attached to the rear portion of the rear cover 21 via a mounting tool 43, and the angle can be adjusted by swinging about the horizontal axis with respect to the rear cover 21. The machine frame 9 is further provided with a connecting member 14 for mounting on the traveling vehicle 2 via the mounting means 13, and a device mounting frame body 15 protruding rearward. The connecting member 14 has a top mast 45 fixed to the upper portion of the gear case 35, and a left and right lower link connecting bracket 32 provided at a middle portion of the left and right support arms 36, and serves as a mounting means 13. It is connected to the top link and the left and right lower links of the means, respectively. The bracket 32 projects forward and backward from the support arm 36, and a lower link connecting pin is provided on the front projecting portion.

The equipment mounting frame 15 has a machine frame 9 at the front.
A pair of left and right front and rear members 17 pivotally supported on the left and right lower link brackets 32 (for example, rear side) and the front and rear members 1
The rear member 18 connects the rear ends of the seven members, and the intermediate member 19 connects the left and right front and rear members 17 on the front side of the rear member 18. A front portion pivotally supported by the machine frame 9 is connected to the equipment mounting frame body 15 so that the angle can be adjusted around the horizontal axis, and an angle adjusting means 47 provided between the top mast 45 and the intermediate member 19 is used. , Angle to field, rear member 18
The height of is adjustable.

The rear member 18 of the device mounting frame 15 is formed of a square pipe, and the subsoiler 6 or the cultivator 33 is mounted in the center of the horizontal direction of the device. Two rear wheels 26 functioning as gauge wheels can be attached to both ends. The tiller 3
The input shaft 7, the upper cover 20, the top mast 45, etc. form the front end, and the rear cover 21 (or the extension cover 2).
2), the equipment mounting frame 15 or the rear two wheels 26 and the like form the rear end, and the front-rear length L of the tiller working machine 3 is set by these, and the long action of the mounting body 4 supporting the subsoiler 6 is performed. The body support portion 4A is arranged within the range of the front-rear length L.

The sub-soiler 6 is detachably attached to the rear part of the equipment mounting frame 15, and the tiller 5 is detachably supported by the attachment 4.
And the long acting body 5 that goes deeper into the soil than the plowing nail 10. The attachment body 4 includes a support portion 4A that supports the long acting body 5, a attachment portion 4B that projects rearward from the support portion 4A and is attached to the rear member 18 of the device mounting frame body 15, and the support portion. 4A, and an engaging portion 4C that protrudes forward from the front portion 4A and engages the intermediate member 19 from above with the attaching portion 4B attached to the rear member 18.

The supporting portion 4A of the mounting body 4 is formed of a tubular member, and the mounting portion 4B is formed by welding two plate members on the back side of the supporting portion 4A and then fitting the rear member 18 to the upper portion from the rear. Formed by welding members with a U-shaped cross section,
The engagement portion 4C is formed by welding one (or two) chicken-crown-shaped plate material to the front surface side of the support portion 4A. The mounting body 4 can be inserted into and removed from the rear member 18 with the engaging portion 4C higher than the intermediate member 19 by slightly tilting the mounting member 4B to the rear member 18. In this state, the lock pin 51 prevents it from coming off.

This mounting body 4 is, as shown in FIG.
The rear member 18 can be attached upside down. The long-acting body 5 is formed by providing a crushing blade 5B that enters below the cultivator at the lower end of a post (post) 5A attached to the long-acting body supporting portion 4A of the mounting body 4. The post 5A has a bar member 27 that is inserted into the support portion 4A and a strip plate 28 that is fixed to the lower part of the bar member 27. Bar 2
7 may have a polygonal shape, an elliptical shape, or the like, but a circular rod is used, and the circular rod is inserted into the supporting portion 4A and is stopped by penetrating the pin 52. By forming a plurality of holes for penetrating the pins 52, the vertical position of the long acting body 5 is adjusted. Also, the supporting portion 4A
The long acting body 5 can be mounted upside down.

The strip 28 is made of flat steel having a horizontal thickness and a front-back width, and its front edge is preferably formed in a double-edged or single-edged shape rather than a flat surface. The post 5A can be formed with the bar 27 over its entire length, but by forming the lower part with the strip 28, the resistance received from the soil is reduced and the strength in the front-rear direction is improved.
The durability is also improved. The crushing blade 5B is made of flat steel similar to the strip plate 28, and is welded to the lower end of the strip plate 28 in a downwardly inclined shape. This crushing blade 5B moves in the subsoil below the cultivating part 11, and bites into the subsoil downward to scoop, so that the subsoil is crushed and moved forward,
Lift the upper soil layer to soften it.

The supporting portion 4A is slightly rearwardly inclined, and the long acting body 5 inserted through the supporting portion 4A is inclinedly arranged in an upper rearward and lower leading manner. In this state, the crushing blade 5B is directed downward. It becomes inclined. The support portion 4A includes the rear member 18 and the rear 2
Positioned on the front side of the wheel 26, the long pillar 5A of the long acting body 5 is inserted through the hole 24 of the rear cover 21, and the crushing blade 5B is the cultivating part 1
Enter the subsoil below 1. In this state, the crushing blade 5B is close to the tilling section 11 in the front-rear direction (state of FIG. 1),
When the height of the rear portion of the device mounting frame 15 is lowered by lowering the angle of the device mounting frame 15 or lowering the rear two wheels 26, the inclination angle of the long acting body 5 from the vertical is reduced. As the size increases, the crushing blade 5B can overlap the tillage part 11 in the front-rear direction. At this time, if the long acting body 5 is arranged between the tilling claws 10 in the left-right direction, the long acting body 5 can be overlapped with the tilling part 11 in a side view, and the crushing blade 5B can be placed at the tilling part. It is also possible to arrange it just under 11 (shown by a chain double-dashed line in FIG. 1).

As shown in FIG. 5, the long acting body 5 is
The connecting portion 53 is formed on the rear lower surface of the crushing blade 5B,
The perforated body 29 under the plough may be connected via a tow line 30. Further, a plow member 31 may be provided at an intermediate portion in the vertical direction of the post 5A (band plate 28). Since the conventional tiller 3 is used as it is, only one hole 24 and notch 25 are formed in the left-right direction of the rear cover 21, but the rear cover 21 is exclusively used.
If the holes 24, the notches 25, and the like are provided in a plurality in the left-right direction, a plurality of pairs of the attachment bodies 4 and the long acting bodies 5 can be arranged in the tilling implement 3 in the tilling width direction.

FIGS. 6 to 10 show five modified examples of the mounting body 4. In the first and second modified examples of FIGS. 6 and 7, the engaging portion 4C is substantially V-shaped in plan view, and the fifth modified example of FIGS. 3 to 5 are modified to the engaging portion 4
C are respectively formed in a substantially U shape in a plan view.
The member forming the engagement portion 4C of the fourth modification is fixed to the member forming the support portion 4A, and the member forming the engagement portion 4C of the second, third, and fifth modifications is the support portion. It is detachably fixed to the member forming 4A via a bolt. In the first modified example of FIG. 6, an inverted J-shaped member forming the engaging portion 4C is welded to the cylindrical member forming the support portion 4A in a substantially V-shape in a left-right paired plane view to form a bifurcated shape. The engaging portion 4C is formed, and the intermediate member 1 of the device mounting frame 15 is formed.
9 are engaged with each other at two positions on the left and right.

In the second modified example of FIG. 7, the mounting piece 60 is welded along the axis to the cylindrical member forming the support portion 4A, and a pair of left and right inverted J-shaped members forming the engaging portion 4C are formed. It is bolted to the mounting piece 60 and formed into a bifurcated shape having a substantially V shape in a plan view, and the engaging portions 4C are engaged with the intermediate member 19 of the device mounting frame body 15 at two positions on the left and right. In a third modified example of FIG. 8, a mounting member 60 is welded to a cylindrical member forming the support portion 4A along the axis, and the engaging portion 4C is parallel to the intermediate member 19 and a lateral member 57, and this lateral member. 57 and locking members 58 provided at both ends of the horizontal member 57.
A mounting portion 57a for bolting to the mounting piece 60 is formed on the mounting member 60, and the pair of left and right locking members 58 are locked to the intermediate member 19.

In the fourth modification of FIG. 9, the mounting piece 6 is horizontally (left-right direction) attached to the cylindrical member forming the support portion 4A.
No. 0 is welded, the engaging portion 4C is parallel to the intermediate member 19, and a lateral member 57 and locking members 58 provided at both ends of the lateral member 57.
And the horizontal member 57 is welded to the mounting piece 60. In the fifth modified example of FIG. 10, the support portion 4
A mounting member 60 is horizontally welded to a cylindrical member forming A, and the engaging portion 4C is a horizontal member 57 parallel to the intermediate member 19,
The horizontal member 57 is formed with locking members 58 provided at both ends thereof, and the horizontal member 57 is formed with a horizontal mounting portion 57a for fixing to a mounting piece 60 by a bolt. The member 58 is locked to the intermediate member 19.

In the third to fifth modified examples, the length of the lateral member 57 is appropriately set, and the pair of locking members 58 are largely separated from each other in the left and right as compared with the first and second modified examples and are engaged with the intermediate member 19. To meet. The attachment body 4 can be easily handled if the member forming the engagement portion 4C is fixed to the member forming the support portion 4A, and the attachment body 4 has the shape of the device mounting frame body 15 if it is detachably fixed. The mounting body 4 can be configured together,
If the engaging portion 4C is engaged with the intermediate member 19 at two positions on the left and right, the load applied from the engaging portion 4C to the intermediate member 19 is dispersed, and the durability is improved. If it is formed with the pair of locking members 58, the load is more dispersed and the durability is further improved.

The present invention is not limited to the above embodiment, but can be variously modified. For example,
A pump breaker may be used instead of the sub-soiler 6 (the long acting body 5 is formed in a pump breaker working shape),
The long acting body 5 may be formed as a resistor without providing the crushing blades 5B to prevent dashing of the tilling work machine 3. The attachment body 4 can be configured such that the attachment portion 4B is attached to the intermediate member 19 of the device mounting frame body 15 and the engagement portion 4C is engaged with the rear member 18 from below.

[0042]

According to the present invention described in detail above, the long working body 5 that goes deeper into the soil than the tiller 3 and the tiller 11 is provided.
Can be placed as close to the rear as possible, which can reduce the moment when working, prevent the tiller 3 from floating, and prevent the plowing depth from becoming unstable. The positional deviation from soil crushing can be reduced, the turning radius of the traveling vehicle 2 can be reduced to reduce headland, and the horsepower loss due to resistance can be reduced.

[Brief description of drawings]

FIG. 1 is an overall side view showing an embodiment of the present invention.

FIG. 2 is a rear view of the same.

FIG. 3 is a perspective view of the same.

FIG. 4 is an exploded perspective view of a mounting body and a long acting body.

FIG. 5 is a side view of main parts showing various modifications.

FIG. 6 is a perspective view showing a first modified example of the attachment body.

FIG. 7 is a perspective view showing a second modified example of the attachment body.

FIG. 8 is a perspective view showing a third modification of the attachment body.

FIG. 9 is a perspective view showing a fourth modified example of the attachment body.

FIG. 10 is a perspective view showing a fifth modified example of the attachment body.

[Explanation of symbols]

1 farm work machine 2 traveling vehicles 3 tillage machines 4 mounting body 5 Long acting body 7 Input axis 8 nail axes 9 machine frames 10 tillage nails 11 tillage department 12 Tillage cover 13 Mounting means 14 Connection member 15 Equipment mounting frame 21 Rear cover 24 holes 25 Notch 26 rear two wheels 27 bars 28 strip

Continued front page    (72) Inventor Mitsuyoshi Hirata             64 Ishizukitamachi, Sakai City, Osaka Prefecture Kubo Co., Ltd.             Ta Sakai Factory (72) Inventor Ken Kinoshita             64 Ishizukitamachi, Sakai City, Osaka Prefecture Kubo Co., Ltd.             Ta Sakai Factory F term (reference) 2B032 AA05 BA01 BB03 BB04 BB14                       BB31 DA05 DB02                 2B034 AA09 BA06 BA07 BC06 EA11                       EA13 EB23 JA05 JA06

Claims (25)

[Claims] 1. A long-acting body of the mounting body, which is provided with a mounting body for a tilling work machine mounted on a traveling vehicle, and which supports the long-acting body that goes deeper into the soil than the tilling work machine. An agricultural working machine characterized in that a support portion is arranged within a front-rear length of the tilling working machine and at a rear portion of the tilling working machine. 2. The tiller according to claim 1, wherein the tiller has a machine frame for supporting a power transmission system including them from an input shaft to a claw shaft, a tiller cover for covering a tiller portion formed by a tiller claw provided on the claw shaft, The agricultural working machine according to claim 1, further comprising a connecting member provided on the machine frame and mounted on the traveling vehicle via a mounting means, and a device mounting frame body protruding rearward from the machine frame. 3. The equipment mounting frame body is characterized in that a front portion thereof is connected to a machine frame so that an angle around a horizontal axis can be freely adjusted, and a mounting portion of a long acting body is detachably attached to a rear portion thereof. Item 2. The agricultural work machine according to item 2. 4. The equipment mounting frame body includes a pair of left and right front and rear members whose front portions are pivotally supported by the machine frame, a rear member connecting rear ends of the front and rear members, and a front and rear member in front of the rear member. 3. An intermediate member for connecting
Or the agricultural working machine according to 3. 5. The mounting body projects rearward from a support portion that supports the long acting body and is mounted to the rear member, and the mounting body projects forward from the support portion to mount the mounting portion to the rear member. The agricultural working machine according to claim 4, further comprising: an engaging portion that engages with the intermediate member from above in a closed state. 6. The agricultural work machine according to claim 5, wherein the attachment body fixes the member forming the engagement portion to the member forming the support portion in a fixed or detachable manner. . 7. The agricultural working machine according to claim 5, wherein the attachment body is formed in a bifurcated shape so that the engaging portion engages with the intermediate member at two positions on the left and right. 8. An engaging portion of the mounting body comprises a lateral member attached to the support portion in parallel with the intermediate member, and locking members provided at both ends of the lateral member for engaging the intermediate member. It has, The agricultural working machine of Claim 5 or 6 characterized by the above-mentioned. 9. The agricultural working machine according to claim 1, wherein the long acting bodies are arranged so as to be inclined in an upper rearward and lower frontward manner. 10. The lower end of the long acting body is located below the tilling part of the tilling work machine and is in close proximity to the tilling part in the front-rear direction. Farm work machine. 11. The lower end of the long acting body is below the tilling part of the tiller, and is overlapped with the tilling part in the front-rear direction. Agricultural work machine described. 12. The tillage cover has an upper cover for covering an upper portion of the tiller and a rear cover for covering a rear portion of the tiller. The rear cover has a hole for vertically inserting the long acting body. The agricultural working machine according to any one of claims 1 to 11, wherein 13. The tilling cover has an upper cover that covers an upper portion of the tilling portion and a rear cover that covers a rear portion of the tilling portion, and the rear cover is for arranging a pottery from a lower rear edge of the cover to a middle portion. A cutout portion is formed, and the elongated action body is vertically inserted through the cutout portion.
The agricultural working machine according to any one of to 11. 14. The apparatus according to claim 2, wherein the rear two wheels are mounted on the device mounting frame body behind the long acting body.
4. The agricultural working machine according to any one of 4. 15. The mounting body can be mounted upside down with respect to a device mounting frame body.
The agricultural work machine according to any one of to 4. 16. The agricultural working machine according to claim 1, wherein the long acting body can be mounted upside down with respect to the mounting body. 17. The elongated action body is adjustable in vertical position with respect to the attachment body.
16. The agricultural working machine according to any one of 16. 18. The agricultural working machine according to claim 1, wherein the long acting body has a post mounted on the long acting body supporting portion of the attachment body. 19. The elongated action body post comprises a rod member mounted on the elongated action member supporting portion of the attachment body, and a strip plate fixed to a lower portion of the rod member. The agricultural work machine according to claim 18. 20. The long acting body is provided with a crushing blade which is below the cultivator at a lower portion thereof.
9. The agricultural working machine according to any one of 9. 21. The agricultural working machine according to claim 1, wherein the long acting body is a subsoiler or a bread placer. 22. The agricultural working machine according to claim 1, wherein the long acting body is connected to a lower part of an underdrain perforation body which enters a cultivator and below via a tow line. . 23. The agricultural working machine according to claim 1, wherein the long acting body is provided with a plow member at an intermediate portion in the vertical direction. 24. The agricultural working machine according to claim 1, wherein the long acting body is a dashing preventing resistor. 25. The farm work machine according to claim 1, wherein one pair or a plurality of pairs of the attachment body and the long acting body are arranged in the tiller work machine in the tilling width direction. .