JP6336407B2 - Agricultural machine - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a technique of an agricultural machine that attaches a rotary tiller, a vertical work machine, and a subsoil crusher to the rear part of a tractor, and enhances the drainage effect of the groove between the reeds and the reeds by the groove claw of the subsoil crusher. .

  2. Description of the Related Art Conventionally, a technique is known in which a rotary tiller and a vertical working unit are provided at a rear portion of a tractor via a work implement mounting device, and the rotary tiller is used for plowing, and a vertical working unit is used to form a kite. (For example, refer to Patent Document 1).

Japanese Patent No. 5050004

  As in the prior art, moisture damage occurred only by plowing with a rotary cultivator and forming a ridge by a vertical working unit.

  The present invention has been made in view of the above situation, and is capable of effectively taking measures against moisture damage by attaching a grooved claw and devising its arrangement configuration.

  The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described.

That is, in Claim 1, it is an agricultural working machine which equips the rear part of a tractor with a rotary plowing device and a vertical work machine, The vertical work machine is equipped with a subsoil crushing device, The subsoil crushing device Is composed of a groove-growing claw and attachment means, and is disposed behind the rotary tiller, and the groove-growing claw disposed on the heel portion is disposed on the front portion of the ridge forming portion of the erection work machine, and the groove portion The groove-growing claw disposed on the rear side is disposed at a rear portion of the groove forming portion of the erection work machine serving as a gap.

  In Claim 2, the said groove forming claw is comprised by the rod-shaped body, the upper end of the said groove forming nail is attached to the attachment rod which attaches a collar shaping board via an attachment means so that height adjustment is possible, and a lower part is front-lower The lower end of the grooving claw is positioned lower than the lower end of the cultivating claw of the rotary cultivator during the operation.

  According to a third aspect of the present invention, the height adjustment amount of the intercostal attachment means for attaching the groove forming claw between the ribs is larger than the height adjustment amount of the flange attaching means for attaching the groove forming claw to the flange portion.

  By using the means as described above, it is possible to simultaneously perform rotary tillage work, upright work, and subsoil crushing work, thereby improving work efficiency and maintaining good drainage. Moreover, even when it coat | covers with a multi film, drainage property and heat retention can be ensured and a moisture damage countermeasure can be performed effectively.

The side view of the agricultural machine with which a tractor is mounted | worn. FIG. Rear view of the vertical work machine and subsoil crusher. The front partial perspective view of a vertical work machine and a subsoil crusher. The rear part perspective view of a vertical work machine and a subsoil crusher.

  First, an agricultural work machine 5 mounted on a work machine mounting apparatus 2 disposed at the rear of the tractor 1 as an example of a work vehicle will be described with reference to FIGS. 1 and 2. The work machine mounting device 2 includes left and right lower links 3 and 3 and a top link 4, and a farm work machine 5 is mounted at the rear of the work machine mounting device 2. The farm work machine 5 can be moved up and down by a lifting device provided in the tractor 1.

  The farm work machine 5 is composed of a rotary tiller 10, a stand work machine 20, a subsoil crusher 30, a multi-coating device 40, and a conveyor device 50. After that, the multi-film is coated on the entire surface.

  In the rotary tiller 10, a chain case 11 is arranged in the vertical direction in the center of the left and right, the input shaft 12 projects forward from the upper part of the chain case 11, and the universal joint is connected to the PTO shaft projected from the rear part of the tractor 1. Are connected to each other, and can transmit power. In addition, although the rotary tiller 10 is a center drive type in this embodiment, it may be a side drive type.

  The tilling shafts 13 and 13 protrude from both the left and right sides of the lower part of the chain case 11, and the tilling claws 14 and 14 are provided on the tilling shafts 13 and 13 at predetermined intervals. The top of the tilling claws 14, 14... Is covered with a tilling cover 15. A support column 16 is erected from the upper portion of the chain case 11, and an attachment portion for the top link 4 is formed on the upper portion of the support column 16.

  Beams 17 and 17 project laterally from both upper sides of the chain case 11, and side frames 18 and 18 are fixed to the outer ends of the beams 17 and 17 in the front-rear direction. A mounting portion for the lower links 3 and 3 is formed at the front ends of the side frames 18 and 18. The connecting rods 21 and 21 project from the rear upper part of the side frames 18 and 18 to the rear lower side, and the mounting rods 22 are laterally provided at the rear ends of the connecting frames 21 and 21. The vertical work machine 20 and the subsoil crusher 30 are attached to the attachment bar 22.

  As shown in FIGS. 1, 2, and 3, the upright work machine 20 is provided in a pair of left and right so as to form two ridges. The erection work machine 20 is arranged symmetrically, left and right shaping plates 23, 23..., Leveling plates 24, 24, top plates 25, 25, mounting members 27, 27, and gauge wheel 26, 26 etc. The shaping plate 23, the leveling plate 24, the top plate 25, and the gauge wheel 26 are attached to the attachment rod 22.

  The left and right shaping plates 23, 23 are arranged in an “eight” shape when viewed from the rear, and a top plate 25 is arranged substantially horizontally between the left and right shaping plates 23, 23. The pressing is performed while forming the surface, and the upper surface is pressed by the top plate 25 to form the collar portion. The leveling plates 24, 24 are arranged at the left and right ends of the mounting rod 22, and level the field scene of the non-shaped part on the left and right outside of the two rods. The gauge wheel 26 is disposed on the rear side of the shaping plate 23 and swings around the trough between the ribs to adjust the height of the ribs.

  The multi-coating apparatus 40 includes a film support 41 and a film presser 42. The film support 41 and the film presser 42 are supported by the rear portion of the support frame 43 formed of parallel links. The front end of the support frame 43 is supported by a horizontal frame that is provided horizontally at the rear part of the side frames 18. The film presser 42 and the support frame 43 can be moved parallel to the left and right by the support frame 43, and are covered by being shifted one by one so as to cover the entire surface. The film support body 41 arranges the cylindrical core body which wound the multi film 44 in the left-right direction, and supports the both right and left sides rotatably. The film presser 42 has presser rollers 42a having left and right axis centers arranged in the valleys between the ridges, and presses the left and right sides and the left and right center of the multi-film 44 against the field scene.

  A chute 45 is arranged at the rear end of the support frame 43 so as to branch into three and extend to the left and right and the rear lower side. The soil carried by the conveyor device 50 is dropped onto the front part of the chute 45. The chute 45 guides the press rollers 42a, 42a, 42a to the rear and drops them. The soil falling from the chute 45 presses the multi-film 44 in the trough (groove) between the reeds, and the multi-film 44 is in close contact with the upper surface of the reed to prevent it from turning up.

  The conveyor device 50 scoops up the soil between the left and right reeds and the reeds between the rotary tiller 10 and the upright work machine 20 in the front-rear direction, conveys it upward and backward, and drops it to the front upper part of the chute 45 Is. The conveyor device 50 is configured by a belt conveyor, and scoops up the lower end by inserting it in front of the shaping portion of the groove portion between the left and right ridges, and conveys the soil after tilling to the rear upper side. A bucket is arranged at the upper part of the conveyor device 50, and a shutter is arranged at the lower part of the bucket, and the shutter is intermittently opened and closed so as to drop onto the multi-film 44 in a lump state. The conveyor device 50 is driven by power transmitted from the side of the chain case 11 via a universal joint or the like. Further, the rear portion of the conveyor device 50 is connected to the support frame 43 so that when the multi-coating device 40 is changed left and right, the left and right can be changed at the same time, and the soil falling from the rear end of the conveyor device 50 is surely dropped onto the chute 45. I am doing so.

  Next, the subsoil crusher 30 will be described. The subsoil crusher 30 includes a grooving claw 31 and attachment means 32. The groove forming claw 31 is rod-shaped, the lower part is bent forward, and the upper part is attached to the attachment rod 22 to which the rod shaping plate 23 is attached via the attachment means 32. A plurality of bolt holes for attachment to the attachment means 32 are opened in the upper part of the groove forming claw 31. The lower portion of the groove pawl 31 extends forward and downward, and the lower end of the groove pawl 31 is attached below the lower end of the tilling pawl 14 of the rotary tiller 10 during operation. Thus, by inserting the lower part of the grooving claw 31 into a cultivator that can be a lower layer of the cultivated soil and moving forward, the cultivator can be crushed.

  Then, as shown in FIGS. 3, 4, and 5, the groove-making claw 31 is disposed in the flange portion and the groove portion that are shaped by the upright work machine 20. That is, the grooving claws 31 arranged at the right and left center of the heel part are in front of the top plate 25 so that the molded heel does not collapse, and the left and right center of the front part of the ridge forming part of the upright work machine 20 It is arranged at the position. Further, the groove forming claw 31 disposed at the center of the right and left of the groove part is disposed at the rear part of the groove forming part serving as a gap so that the groove cut by the groove forming claw 31 is not filled as much as possible.

  Further, the groove claw 31 is attached to the attachment rod 22 by the attaching means 32 so that the height can be adjusted. The attachment means 32 includes an attachment plate 32 a for attaching the groove forming claw 31, a base body 32 b for fixing the attachment plate 32 a, and a clamping plate 33 for attaching the base body 32 b to the attachment rod 22. A plurality of bolt holes 32c, 32c,... Are opened at predetermined intervals in the vertical direction in order to attach the groove claw 31 to the attachment plate 32a so that the height can be adjusted. This interval is matched with the interval between the bolt holes provided in the groove claw 31. However, the groove forming claw 31 can be fixed by a square pipe or the like instead of the mounting plate 32a.

  Further, the mounting plate 32a is eccentrically fixed from the left and right center of the base body 32b so that the grooved claw 31 is attached to the left and right center of the base body 32b. That is, the mounting plate 32a is fixed eccentrically from the center of the base body 32b by a length that takes into account the lateral width of the groove forming claw 31.

  A mounting plate 32a is fixed to one end of the base body 32b, a support plate 32d is fixed to the other end, and two bolts are vertically projected from the support plate 32d in the front-rear and horizontal directions. Bolts are inserted into the holes, and the mounting plate 22 is sandwiched between the support plate 32d and the clamping plate 33, and a nut is fastened and fixed to the bolt. However, the clamping plate 33 or the support plate 32d can also be configured in a U-shape when viewed from the side.

  Further, the groove forming claw 31 for forming the subsoil crushing groove at the left and right center of the heel part is arranged forward and backward with respect to the base body 32b of the heel part attaching means 32T in order to dispose it in front of the ridge forming part so as not to break the heel. The grooving claw 31 is formed so as to be long in the direction, and is disposed in front of the top plate 25. The base body 32b of the intercostal attachment means 32U for attaching the groove forming claw 31 between the ribs is formed with a short front and rear length so as to form the subsoil crushing groove after the rib forming, and the groove forming claw 31 is disposed at the rear position of the shaping plate 23. It is configured to be.

  Further, the height adjustment amount of the groove forming claw 31 is greater than the height adjustment amount of the flange attaching means 32T that attaches the groove forming claw 31 to the center of the right and left of the flange portion. The height adjustment amount of the intercostal attachment means 32U for attaching 31 is increased. That is, the number of bolt holes 32c of the attachment plate 32a of the saddle center attachment means 32T is increased, the number of bolt holes of the groove forming claw 31 is increased, or the groove forming claw 31 is lengthened. Thus, the depth of the groove formed between the ribs can be adjusted in accordance with the height of the hook formed by the upright work machine 20, so that the drainage can be secured.

  As mentioned above, it is the agricultural work machine 5 which mounts the rotary tiller 10, the upright work machine 20, and the multi coating apparatus 40 in the rear part of the tractor 1, Comprising: The subsoil breaker 30 is attached to the upright work machine 20. The subsoil crusher 30 includes the groove forming claw 31 and the attachment means 32, and is disposed at the front left and right center of the hook forming part and the rear part of the rib forming part, so that the rotary tiller 1 while being pulled by the tractor 1 After the rotary tilling work by 10, the standing work by the standing work machine 20 is performed, and the subsoil crushing work is performed by the groove claw 31 of the subsoil crushing device 30 between the center of the buttock and the intercostal space after the standing. In addition, the multi-coating device 40 covers the entire surface between the heel part and the coffin with the multi-film 44, so that the uprighting work, the subsoil crushing work and the multi-coating work can be performed at the same time. Prevent It has become possible. Moreover, since the subsoil crusher 30 is comprised by the groove making nail | claw 31, it can reduce traction resistance. However, it is also possible to work without mounting the multi-coating device 40 to ensure drainage.

  In addition, the groove forming claw 31 is bent at the lower portion of the rod-like body forward, and the upper end is attached to the attachment rod 22 for attaching the rod shaping plate 23 via the attachment means 32 so that the height can be adjusted, and the lower portion extends forward and downward. Then, since the lower end of the grooving claw 31 is attached at a lower position than the lower end of the cultivating claw 14 of the rotary cultivating apparatus 10 during the operation, the lower layer that cannot be cultivated by the rotary cultivating apparatus 10 can be crushed by the grooving claw 31. , Can improve drainage.

  Moreover, since the height adjustment amount of the rib attachment means 32U for attaching the groove forming claw 31 to the gap between the ribs is larger than the height adjustment amount of the flange attachment means 32T for attaching the groove forming claw 31 to the left and right center of the flange part. According to the height of the ridge when the height of the ridge is adjusted by the standing work machine 20, the downward projecting length of the grooved claw 31 can be adjusted, the subsoil can be reliably crushed, and the drainage can be secured. Become.

  In this way, the rotary tiller 10, the upright work machine 20, the subsoil crusher 30, and the multi-covering apparatus 40 are mounted on the rear part of the tractor 1, and after the rotary tillage work by the rotary tiller 10, Standing work is performed, and the subsoil crushing work is performed by the grooving claws 31, 31, 31 of the subsoil crushing device 30 between the heel part and the intercostal space at the time of standing, and then the entire surface between the heel part and the scissors is covered by the multi-coating device 40 The field which covered with the multi film 44 and ensured drainage property and heat retention is obtained.

DESCRIPTION OF SYMBOLS 1 Tractor 5 Agricultural work machine 10 Rotary plowing device 20 Standing work machine 30 Subsoil crushing device 31 Groove claw 32 Mounting means 40 Multi coating device

Claims (3)

A farming machine with a rotary tiller and a vertical working machine installed at the rear of the tractor,
The vertical work machine is equipped with a subsoil breaker,
The subsoil crushing device comprises a grooving claw and attachment means, and is arranged behind the rotary tillage device,
The grooving claw arranged in the heel part is arranged in the front part of the ridge forming part of the erection work machine ,
The agricultural work machine, wherein the groove-growing claw arranged in the groove part is arranged at a rear part of the groove forming part of the upright work machine serving as a furrow.   The grooved claw is composed of a rod-shaped body, and the upper end of the grooved claw is attached to a mounting rod for attaching a collar shaping plate via a mounting means so that the height can be adjusted, and the lower part extends forward and downward, 2. The agricultural machine according to claim 1, wherein at the time of work, the grooving claw lower end is attached to be positioned below the lower end of the tilling claw of the rotary tilling device.   The height adjustment amount of the rib attachment means for attaching the grooved claw between the ribs is larger than the height adjustment amount of the flange attachment means for attaching the grooved claw to the flange. 2. Agricultural machine according to 2.

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