JP2009005663A - Ridge formation-tending machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent floating of the machine front side, caused by driving reaction force of the tillage tines, in a tending machine attached with tillage tines on the machine front side. <P>SOLUTION: A ridge formation-tending machine is constituted so that a working implement frame (35) is attached to be directed to the front side from a mission case (1), tillage covers (33, 33) covering the upper side of the tillage tines (23) are connected on the right and left of the working implement frame (35) so as to be freely vertically rotatable around a longitudinal axis, and a fixed pipe (42) freely vertically rotatably supporting a gage wheel (40) and formed to be its front side lower and a working machine-attaching device (70) set at the front side of the fixed pipe (42) and formed to be its front side lower with a more steep angle than that of the fixed pipe (42) are attached on the front side of the working implement (35). <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a cocoon forming management machine for forming high cocoons for mainly growing leeks.

Patent Document 1 has a leek management machine for bringing the leek into a vine planted with leek.
JP 7-236306 A

By the way, in the management machine which forms a tilling nail in the body front side like a leek management machine like patent documents 1, the body front side may float by the driving reaction force of a cultivation nail.
This invention makes it a subject to solve the said subject by making the body front side heavy.

In view of the above, the invention according to claim 1 supports the tilling shaft (2) on the front portion of the mission case (1) arranged in the front-rear direction at the left and right center, and the tilling nail ( 23), the axle (3) is supported on the rear part of the transmission case (1), the wheels (14) are mounted on the axle (3), and the engine (5) is located behind the transmission case (1). The base of the steering handle (10) that passes above the engine (5) is mounted on the top of the mission case (1),
A work implement frame (35) is attached forward from the mission case (1), and tillage covers (33, 33) covering the top of the tillage claws (23) are provided on the left and right sides of the work implement frame (35) in the front-rear direction. A fixed pipe (42) which is connected to the front of the work machine frame (35) so that the gauge wheel (40) can be adjusted in the vertical direction and is arranged in a front-falling manner, and a fixed pipe. A saddle forming management characterized in that it is configured to attach a work implement attachment (70) having a front-lowering shaft at an angle steeper than the inclination angle of the fixed pipe (42) in front of (42). A machine.

  In the second aspect of the present invention, the support shaft (71b) extending in the left-right direction is attached to the fitting pipe (71a), and the flange forming body (71c) is provided on each of the left and right ends of the support shaft (71b). The scissor forming management machine according to claim 1, wherein the forming tool (71) is detachably fitted to the work implement mounting tool (70).

  According to the first aspect of the present invention, a fixed pipe (42) is disposed in front of the work machine frame (35) so that the gauge wheel (40) can be adjusted up and down, and is arranged in a downwardly inclined manner, and the fixed pipe (42). The weight of the front side of the fuselage is increased by attaching the work implement attachment (70) having a front-lowering shaft at a steeper angle than the inclination angle of the fixed pipe (42). Can be made difficult to lift the front side of the aircraft.

  According to the second aspect of the present invention, the left and right saddle-molded bodies (71c) can be integrally attached to and detached from the work implement attachment (70), so that the attachment / detachment work is easy.

  Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a side view of a hook forming control machine, in which a tilling shaft 2 is arranged at the lower part of the front case 1a and an axle 3 is arranged at the lower part of the rear case 1b. .

  An engine frame 4 is fixed to the rear case 1 b of the transmission case 1, and the engine 5 is mounted on the engine frame 4. Further, a shifter stay 7 for the traveling speed change lever 6, a shifter stay 9 for the tillage speed change lever 8, and the like are disposed on the top of the transmission case 1.

  Further, a base of a steering handle 10 consisting of a pair of left and right is mounted on the top of the transmission case 1, and the steering handle extends backward to bypass the fuel tank 11 and the muffler 12 above the engine 4. Provided. The base portion of the steering handle 10 is pivotally supported on a bracket member 13 mounted on the top of the transmission case 1 via a horizontal shaft 14 so that the vertical adjustment is possible. That is, the bracket member 13 has a configuration in which a cover portion 13a having a U-shaped cross section and a handle angle adjusting panel portion 13b are integrated by welding and bolted to the top of the transmission case 1. The angle adjustment panel portion 13 has a known configuration in which a plurality of locking holes are formed in the vertical direction, and a locking projection 13c provided integrally with the handle can be attached and detached.

The driving force of the engine 5 is transmitted to the axle 3 via a transmission mechanism in the rear case 1b of the transmission case 1 and rotationally drives the wheels 14 and 14 attached to the axle 3.
On the other hand, the driving force of the engine 5 is transmitted to the tilling shaft 2 via a transmission mechanism in the front case 1a of the transmission case 1.
The tilling device 20 includes the tilling shaft 2, a group of tilling claws attached to the tilling shaft 2, a later-described tilling cover that covers the upper surface thereof, a later-described gauge wheel, and the like. Constitute. Among these, a plurality of tilling claws 23 are arranged on the tilling shaft 2. That is, the tilling shaft 2 is provided so as to project to the left and right of the lower portion of the front case 1a, and the tilling boss shaft 24 having three kinds of tilling claws 23a, 23b, 23c is fitted to the left and right projecting shaft portions. 25 is connected through 25. The boss shaft 24 is prevented from coming off by fastening a bolt 26 to the shaft end and fixing a seat plate 27.

The tilling boss shaft 24 is provided with a total of six tilling claw holders 30 in a side view by shifting the phase by 120 ° in two directions in the axial direction of the tilling boss shaft 24. Outer cultivating claws 23a, 23a, 23a attached to the three outer sides of the holder 30 are cultivated claws having their tips bent outwardly, and the inner cultivating claws 23b attached to the inner three pieces respectively. , 23b, 23b are formed with the same tip as the outer cultivating claw 23a, and the base side is a cultivating claw detoured to bypass the metal part of the front case 1a, and the inner cultivating claw 23b is attached. The seventh holder 30 ′ between the holders 30 has a claw 23 c whose front end is bent inward.
Reference numeral 28 denotes a residual tillage processing blade attached to the rear side of the lower end of the front case 1a, and is attached by a pair of attachment stays 29, 29 from the case 1a portion. Therefore, it is difficult to cause a deviation in the left-right direction, and the remaining tilling process can be stably performed.

  When the tilling device 20 configured as described above is rotated up (b) with respect to the traveling direction (b), the pair of the outer tilling claws 23a and the inner tilling claws 23b is formed into three pairs, The pair has a triple helix configuration with equal distribution, and the conventional limit is two pairs, but the soil can be finely and evenly scattered side by side compared to this. In addition, since the configuration is equal, there is little vibration during work, and the operator's work environment is improved. In addition, since the nail claw 23c is provided, the residual tillage can be reduced and the finish of the groove can be improved. For this reason, it is possible to cut the hard tiller finely by adopting a triple spiral arrangement in the operation of deeply raising the soil as in the case of cocoon molding such as leeks, etc., and smoothing the nail approach, and thus performing the earthing work well. .

  The upper surfaces of the tilling claws 23a, 23b, and 23c are configured to be covered with left and right tilling covers 33 and 33. That is, the work machine frame 35 having a U-shaped cross section is attached to and attached to the front case 1a with the mounting portion 35a at the base so as to protrude forward from the front case 1a. The work machine frame 35 and the mounting portion 35a are integrated by welding means.

  The working machine frame 35 is provided with hinge portions 36 and 36 at two positions on the left and right sides, respectively, and the tillage covers 33 and 33 are connected to be rotatable about the front and rear axis. The upper side of the suspension rods 37, 37 provided on the left and right tillage covers 33, 33 is superposed on a column member 38 erected on the upper surface of the work machine frame 35, and tightened together with a fastener to tighten the tiller cover 33. Of these, the inner cover 33a is fixed. The tillage cover 33 is composed of two covers 33a and 33b that can be expanded and contracted in the left-right direction, and can be expanded and contracted to the left and right by an elongating / contracting means. Reference numeral 34 denotes a fastening bolt for the covers 33a and 33b.

  A fixed pipe 42 for holding the support pipe 41 of the gauge wheel 40 is fixed to the rear end portion of the work machine frame 35 by welding means. The support pipe 41 and the fixed pipe 42 are formed in a rectangular cross section, and are provided so as to be fitted to each other and slidable in the longitudinal direction. Further, a reinforcing structure is formed on the upper end side of the fixed pipe 42 by bending the upper end of the column member 38 erected on the work machine frame 35 to the front side and fixing the end with welding means. Further, a reinforcing structure is configured by connecting the intermediate portion of the fixed pipe 42 and the front case 1 a with a connecting member 43. f is a scraper for dropping the mud of the gauge wheel 40.

  In the combined configuration of the work machine frame 35 and the fixed pipe 42 of the gauge wheel 40 as described above, the fixed pipe 42 is reinforced by the combination of the support member 38 and the connecting member 43. The frame structure can be simplified and firmly constructed.

  A female screw body (not shown) is fixed to the upper end of the support pipe 41 of the gauge wheel 40, a screw screw body 45 is assembled from above, and the screw screw body 45 is moved downward from the fixed pipe 42 by forward and reverse rotation of the handle 46. It is the structure which can adjust the protrusion amount to. This is a configuration in which the tillage amount by the tillage claw can be adjusted by adjusting the gauge wheel 40 up and down.

  A work machine mounting plate 47 is fixed to the rear surface of the fixed pipe 42 of the gauge wheel 40 by welding means, and a rear cover 48 is detachably fixed to the lower side of the work machine mounting plate 47. The working machine mounting plate 47 can be mounted with a one-sided cutting plate (not shown) that scrapes the side surface of the saddle, for example. Reference numeral 49 denotes a rubber cover connected to the lower end of the rear cover 48, and reference numeral 50 denotes a reinforcing plate for connecting the rear surface of the rear cover 48 and the fixed pipe 42.

  Side covers 51, 51 are provided on the outer ends of the left and right tillage covers 33, 33 via front and rear direction shafts 52, 52 so as to be rotatable up and down. The support structure of the shaft 52 is as follows. That is, the front and rear end sides are appropriately fixed to the outer end of the tillage cover 33 in the holes 53a and 53a formed in brackets 53 and 53 (in the illustrated example, U-shaped respectively) provided at two locations in the middle of the side cover 51. In order to press the longitudinal shaft 52 from the upper and lower surfaces by the leaf springs 54a, 54b, one end of which is clamped and fixed to the tillage cover 33 at the brackets 53, 53. Constitute. The leaf springs 54a and 54b can be held at the positions when the side cover 51 is pivotally adjusted up and down. Therefore, each side cover 51 fixing means is not required, and the adjustment work is extremely easy. Moreover, since it becomes the structure which covers the front-back direction axis | shaft 52 from a lower surface side, it can prevent that the soil scattered from a lower side penetrate | invades into the shaft 52 part clearance gap.

  A work implement attachment tool 70 is attached to the work implement attachment plate 47 on the front side of the work implement frame 35. The work implement mounting tool 70 is formed of a mounting portion 70a extending rearward at the front side of the work implement frame 35 and a work implement mounting shaft 70b extending vertically downward from the front end of the mounting portion 70a. 70b forms the protrusion part 70c from the attaching part 70a, and can be roped at the time of conveyance. The inclination angle is formed to be steeper than that of the fixed pipe 42.

  A tack forming tool 71 for excavating the side surface of the tack is attached to the work implement mounting tool 70. The scissors forming tool 71 includes a fitting pipe 71a fitted to the work machine mounting shaft 70b, a support shaft 71b extending in the left-right direction from the fitting pipe, and rod-shaped scissors forming bodies 71c at both left and right ends of the support shaft 71b. It is formed. That is, when the saddle forming management machine travels, the left and right saddle forming bodies 71c abut each side of the saddle and excavate.

  By providing the work implement attachment 70 and the scissor forming tool 71 at the front end of the scissor forming management machine, the weight of the front part of the management machine is increased, thereby improving the front-rear balance. That is, in the management machine in which the tilling claws 23 are in front of the wheels 14, it is possible to prevent the front side of the machine body from being easily lifted by the driving reaction force of the tilling claws 23. Moreover, the wrinkle following property of the management machine is improved by adopting a configuration in which the wrinkle forming tool 70 is disposed above the gauge wheel 40.

Further, since the left and right saddle moldings 71 c are integrally formed, the saddle molding tool 71 can be easily attached to the work implement mounting shaft 70.
In addition, since it was set as the structure provided in the bracket 13 part of the handle | steering-wheel 10, it can set to the location which does not have a possibility of interference also by the upward rotation adjustment of the cultivation covers 33 and 33. FIG.

  A configuration in the vicinity of the left and right grips of the handle 10 will be described with reference to FIGS. An operating lever 61 of a side clutch (not shown) is provided on the grip 60 at the rear end of the handle 10 so as to be rotatable up and down around the support shaft 62. The support shaft 62 is configured as a lower half bracket 63D of the upper and lower halved brackets 63U and 63D, and the upper and lower brackets 63U and 63D can be mounted by tightening bolts 64 and 64 with the handle frame sandwiched from above and below. It is said. Reference numeral 65 denotes a release lever for locking means that can hold the operating lever 61 in the engaged state with the side clutch approaching the grip portion. When the release lever 65 is lifted lightly, the holding state of the operating lever 61 is released and the side clutch is disengaged ( It is a structure returned to a downward rotation state. The upper half bracket 63U also serves as a mounting base for the accelerator lever 67.

  When mounting the operation lever 61 with the upper and lower brackets 63U and 63D, the upper and lower brackets 63U and 63D are mounted with a spacer 66 along the lower surface of the handle frame (FIG. 7C), or without the spacer 66 interposed. It can be selected that these upper and lower brackets 63U and 63D are mounted (FIGS. 6A and 6B).

  When the spacer 66 is interposed ((C) in the figure), when the operation lever 61 is operated and held with the side clutch engaged, a gap (c) can be formed between the handle grip portion and the operation lever 61. You can steer only the part. Further, when the spacer 66 is not interposed, the handle grip portion and the operation lever 61 can be gripped at the same time, and as a result, the release lever 65 can be operated in a timely manner. In this way, an appropriate maneuvering feeling can be obtained according to the preference and physique of the operator. In addition, by forming the convex 66a on the rear side of the spacer 66, the convex 66a can be formed as the upper limit stopper of the operation lever 61.

Overall side view Rear view (A) and side view (B) of the tillage device Perspective view of main parts Rear view of tillage cover (A), enlarged view (B) Perspective view of handle bracket Side view of handle grip Action explanatory diagram of lever operation (A), (B), (C) Overall perspective view The perspective view which shows attachment / detachment of a work implement attachment tool and a hook forming tool

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Mission case 2 Cultivation shaft 23 Cultivation claw 3 Axle 14 Wheel 5 Engine 10 Steering handle 35 Work implement frame 33 Cultivation cover 40 Gauge wheel 42 Fixed pipe 70 Work implement attachment tool 71 Fence formation tool 71a Fitting pipe 71b Support shaft 71c body

Claims (2)

A tilling shaft (2) is supported on the front portion of the mission case (1) arranged in the front-rear direction at the left and right center, and a tilling claw (23) is disposed on the tilling shaft (2). An axle (3) is supported at the rear, a wheel (14) is mounted on the axle (3), an engine (5) is provided behind the transmission case (1), and an engine is installed above the transmission case (1). (5) It is configured to mount the base of the steering handle (10) passing above,
A work implement frame (35) is attached forward from the mission case (1), and tillage covers (33, 33) covering the top of the tillage claws (23) are provided on the left and right sides of the work implement frame (35) in the front-rear direction. A fixed pipe (42) which is connected to the front of the work machine frame (35) so that the gauge wheel (40) can be adjusted in the vertical direction and is arranged in a front-falling manner, and a fixed pipe. A saddle forming management characterized in that it is configured to attach a work implement attachment (70) having a front-lowering shaft at an angle steeper than the inclination angle of the fixed pipe (42) in front of (42). Machine.   A support shaft (71b) extending in the left-right direction is attached to the fitting pipe (71a), and a hook forming tool (71) provided with a hook forming body (71c) on each of the left and right ends of the support shaft (71b) is attached to the work implement. The wrinkle forming management machine according to claim 1, wherein the wrinkle forming management machine is detachably fitted to the tool (70).

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