JPH1189303A - Ridge molder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To dissolve a problem as usually has been a complicated work requiring a tool, etc., because of requiring detachment of a ridge molder because the working machine cannot be introduced into a greenhouse nor be stored in a warehouse as a state of broadening a ridge molding breadth. SOLUTION: This ridge molder is attached to a rear part of a rotary tiller through a supporting member 24. An upper molding plate of the ridge molder is attached to a rear part of the supporting member 24 and a revolving lever 27, a side part molding plate 30 and an extending cover 22 are attached to both sides of the supporting member 24 through a folding mechanism 26. In the attaching, the revolving lever 27 is attached so as to be foldable upward and the ridge molder has a supporter 40 fixing the folding mechanism 26 to an end part of the supporting member 24, a pivot fixing the folding mechanism 26 to an end part of the revolving lever 27 and a lock member 44 having a square pipe shape, then the ridge molder is locked in either state of changed to a working position or a non-working position by sliding of the lock member 44.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a case where a ridge forming device is attached to the rear part of a rotary tilling device and the ridge width of the ridge forming device is widened. Related to the technology to be able to.

[0002]

2. Description of the Related Art Conventionally, a rotary tilling device is mounted on a management machine, and a ridge forming device is attached to a rear portion of the rotary tilling device to form a ridge. And when forming a wide ridge, work is performed by attaching a wide ridge former, and this ridge former is equipped with a special extension tilling shaft on both sides of the tilling shaft and covers the upper part A dedicated ridge plate was attached.

[0003]

However, when performing ridge forming work in a house, the entrance of the house cannot be entered or exited as it is because the entrance of the house is narrow. The wide ridge former was removed, and before the work after leaving and entering the house, the wide ridge former was attached. The work of attaching and detaching the ridge forming device had to be loosened and tightened, and the pins had to be attached and detached, which was very troublesome and time-consuming.

[0004]

The present invention uses the following means in order to solve the above problems. That is, in a configuration in which a support member is attached to the rear part of the rotary tillage device and a wide ridge former is attached to the support member, an upper forming plate is attached to the rear part of the support member, and a folding mechanism is provided on both sides of the support member. Attach the rotating rod, side molding plate and extension cover via
The pivot rod is attached so as to be foldable upward.

[0005] The folding mechanism comprises a support member fixed to the end of the support member, a pivot support fixed to the end of the rotating rod, and a lock member. The position and the non-working position can be changed.

[0006] A sub-cover for covering the space between the extension cover and the tilling cover of the rotary tilling device is pivotally supported on the center side of the body of the extension cover, and the upper forming plate is constituted by a middle forming plate and left and right forming plates. Then, a slide mechanism is provided on the left and right forming plates,
The width can be adjusted by sliding the left and right molding plates left and right.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The problems and means to be solved by the present invention are as described above. Next, an embodiment of the present invention shown in the attached drawings will be described. FIG. 1 is a side view of a management machine adopting the present invention, FIG. 2 is a front view thereof, FIG. 3 is an exploded perspective view of a ridge forming device, FIG. 4 is a rear view of a side forming plate, and FIG. FIG. 6 is a perspective view of the same locked state.

1 and 2, the entire configuration of the management device 1 will be described. The engine 3 is mounted on the front side of the engine frame 2, and the fuel tank 4 is mounted on the engine 3. A power output shaft is protruded from a side of the engine 3, and power is applied to a pulley on an input shaft protruding above one side wall of the transmission case 6 via a belt from an output pulley on the power output shaft in the belt cover 5. Is conveyed.
The belt is tensioned by a tension pulley so that power from the engine 3 can be transmitted into the transmission case 6. The pulley and the belt constitute a belt tension type main clutch device, and an arm for pivotally supporting the tension pulley is connected to a main clutch lever provided on the handle 7 via a wire.

A handle 7 projects upward and obliquely rearward from the upper portion of the transmission case 6, and a main clutch lever, a shift lever 8, a side clutch lever 9, a work clutch lever, and an accelerator lever 10 are provided on a rear portion of the handle 7. And so on.

An axle 12 for mounting left and right traveling wheels 11 is mounted laterally below both sides of the transmission case 6, and a hitch 13 is provided at the upper and lower central portion of the rear wall of the transmission case 6.
And the front part of the rotary tillage device 14 is detachably fixed. A PTO shaft protrudes from the other side wall of the transmission case 6, while a chain case 15 is vertically arranged at the left and right center of the rotary tilling device 14, and an input shaft is provided at an upper portion of the chain case 15. Power is transmitted from the PTO shaft to the chain case 15 via a pulley and a belt or a sprocket and a chain in the transmission case 16.

A tillage shaft 16 is provided below the chain case 15.
Are traversed, and tilling claws 17, 17...
Are radially implanted, and the upper part of the rotation locus of the tillage claws 17 is covered with a tillage cover 20. The cultivation can be carried out by cultivating a wide area, and extended cultivating shafts 21 are detachably attached to both ends of the cultivating shaft 16. Above the extended cultivating shaft 21, a folding structure of the present invention, which will be described later, The extension cover 22 is disposed so as to be rotatable in the right direction, and the ridge forming device 23 is disposed rearward. The tilling claw 17 is a canard claw, and a spiral rotor is mounted on the extension tilling shaft 21.

A disc-shaped connecting flange 37 is fixed to the end face of the tilling shaft 16 so as to be centered, and the connecting flange 37 is provided with a concentric arc-shaped long hole. A disc-shaped connecting flange 39 is fixed to the inner end surface of the connecting flange 37 in the same manner as the connecting flange 37, and a connecting pin protrudes from the inner surface of the connecting flange 39 so as to face the connecting flange 37, Even if the connecting pin is inserted into the long hole, the extended tilling shaft 21 is rotated in the direction opposite to the rotation direction of the tilling shaft 16 and locked by rotating until the rotation is stopped, and the tilling shaft 16 is rotated. I try not to get out. When the extension tilling shaft 21 is to be removed for storing or going in and out of the house, the extension tilling shaft 21 is simply rotated in the same direction as the rotation direction of the cultivation shaft 16 and pulled out to the outside. 2
1 can be removed so that it can be easily removed without tools.

Next, the folding configuration of the extension cover 22 and the ridge forming device 23 of the present invention will be described with reference to FIGS.
A beam 25 protrudes rearward from a rear portion of the hitch 13, and the chain case 15 is supported vertically in a middle portion of the beam 25, and a support member 2 is provided at a rear end of the beam 25.
4 is mounted so as to be vertically adjustable and detachable. The support member 24 is formed in an inverted T shape, and has the extension cover 22 and the ridge forming device 23 attached thereto. As shown in FIGS. 1, 2, and 3, folding mechanisms 26 are arranged on both sides of the support member 24, and pivoting rods 27 are arranged on both sides of the folding mechanisms 26. . In addition, on the rear end of the beam 25, when the extension tilling shaft 21 is removed, a locking rod 29, which is to be locked.
29 is projected upward.

The folding mechanism 26 is arranged symmetrically in the left-right direction, and the right side in the traveling direction shown in FIGS. 3 to 6 will be described.
A support 40 having a substantially U-shape in side view is fixed to an end of the support member 24, and a plate-shaped stopper 41 is projecting obliquely upward from an upper portion of the support 40 on the body side. On the other hand, a pivotal support 43 having a U-shape in a plan view is fixed to the body side end of the rotary rod 27, and a pin hole is opened in the front and rear surfaces of the pivotal support 43. Further, a pin hole is also opened in the front and rear surfaces of the support body 40, a pivot 43 is fitted into the support 40, the pin holes are aligned and the pivot pin 42 is inserted, and the support 40 and the support 40 are pivoted. The support 43 is pivotally supported. Therefore, the pivot 40 is rotatable upward from the horizontal direction until it comes into contact with the stopper 41.

A support 40 is provided on the pivot 43.
A lock member 44 in the form of a square pipe, which can be put over both the support member 43 and the pivot support member 43, is slidably fitted outside.
A fastening screw 45 is screwed on a side surface of the lock member 44,
By tightening the tightening screw 45 to the support body 40 side, it is prevented from coming off due to vibration or impact. 46 ・
Reference numeral 47 denotes a reinforcing stay, which is fixed and reinforced over both the support member 24 and the support member 40, and the rotating rod 27 and the pivot support member 43, and prevents the lock member 44 from rattling. .

In such a configuration, FIG.
As shown in FIG. 7, in a state where the support member 24 and the rotating rod 27 are positioned horizontally so as to be located on the same line, the lock member 44 is overlapped with the support body 40 and the pivot support body 43 to be fitted thereto, and tightened. The attached screw 45 is tightened. By doing so, the pivot 43
Cannot rotate around the pivot pin 42, can keep the rotating rod 27 horizontal, and the locking member 44
The work can be performed stably without displacement due to the tightening.

Further, when folding in to enter / exit the house or to store the house, the tightening screw 45 is loosened and the lock member 44 is slid in the outward direction of the machine, so that the support 40
To the position where the lock member 44 does not overlap the pivotal support 43. In this manner, when the turning rod 27 is turned upward and turned until it comes into contact with the stopper 41 as shown in FIG. When the locking member 44 is fitted on the stopper 41, the rotating rod 27 cannot be rotated in the horizontal direction, and the rattling can be prevented by tightening the tightening screw 45.

As shown in FIGS. 3 and 4, an extension cover 22 is fixed to the front portion of the pivoting rod 27 so as to be substantially parallel to the cultivation cover 20, and the extension cover 22 is attached to the body side of the extension cover 22. The sub cover 50 is pivotally supported by a pivot member 51, and the sub cover 50 is rotatable upward from the same plane as the extension cover 22. Therefore, when the extension cover 22 is positioned in the horizontal direction at the time of work or the like, the sub cover 50 is located on the same plane as the extension cover 22, and the gap between the tillage cover 20 and the extension cover 22 is Covered by 50. Then, when bending the turning rod 27 at the time of entering or exiting the house or storing the house, the sub-cover 50 is turned upward as shown by a two-dot chain line sub-cover 50 'in FIG. 20 and the tilling nail 17 etc., so as not to hinder the folding.

A side forming plate 30 having an arc shape in a side view is protruded downward from the rotating rod 27, and a side plate 30a which is bent rearward on the body side of the side forming plate 30 is formed. Side slope is formed. The side plate 30a is provided with pin holes 30b at predetermined intervals in the vertical direction.
Are opened so that insertion pins 52, 52,... Provided at both ends of the upper forming plate 32 are inserted so that the height can be adjusted. A gauge wheel 31 is attached to the outside of the side plate 30a so that the height of the ridge can be adjusted.

A support rod 53 is provided at the center rear of the support member 24.
A mounting portion 32a protruding to the front center of is mounted so that the vertical position can be adjusted. The upper forming plate 32 is formed in an inverted "H" shape when viewed from the side, and the upper forming plate 32 is composed of a central middle forming plate 32M and left and right forming plates 32L and 32R, and is fixed on both sides of the middle forming plate 32M. Bolts are projected upward, left and right long holes are opened in left and right forming plates 32L and 32R, and the width of upper forming plate 32 is arbitrarily adjusted by inserting the long holes into fixing bolts and tightening and fixing with nuts. Adjustable.

In such a configuration, when passing through a narrow place, the nuts on both sides of the left and right forming plates 32L and 32R are removed and removed from the side plates 30a and 30a. Then, the width of the upper forming plate 32 is reduced, the tightening screw 45 is loosened to retract the lock member 44 as described above, and the rotating rod 27 is rotated upward to be folded. And the connecting flange 37 of the rotary
By removing the extension tilling shafts 21 by removing 39, the width of the entire body can be reduced, and the non-working position can be set. When working, it is spread in the reverse order.

[0022]

According to the present invention, the following effects can be obtained by the configuration described above. That is, in a configuration in which a support member is attached to the rear portion of the rotary tillage device and a wide ridge forming device is attached to the support member, an upper forming plate is attached to the rear portion of the support member, and a folding mechanism is provided on both sides of the support member via a folding mechanism. The pivoting rod, the side forming plate and the extension cover are attached, and the pivoting rod is mounted so as to be foldable upward, so simply turning the pivoting rod upwards raises the side molding plate and the extension cover simultaneously. By rotating the rotary rod downward, the width can be easily reduced and the house can be easily entered and retracted, and the ridge can be formed by simply rotating the rotary rod downward.

The folding mechanism comprises a support member fixed to the end of the support member, a pivotal member fixed to the end of the rotating rod, and a lock member. And the non-working position can be changed, so simply slide the lock member when the width is expanded and when it is folded,
It can be locked in its working position and non-working position,
It requires no tools, is easy to operate, and can be folded and unfolded in a short time. The lock member had a simple structure and could be configured at low cost.

Further, since the sub-cover for covering the space between the extension cover and the cultivation cover of the rotary tilling device is pivotally supported at the center of the body of the extension cover, the sub-cover covers the space between the extension cover and the cultivation cover which covers above the extended rotary. The sub-cover is pivoted upward when folded and the cultivated soil is not scattered, so that the sub-cover can be smoothly rotated without hitting the cultivation cover or tilling claw and obstructing the folding. .

The upper forming plate is composed of a middle forming plate and left and right forming plates, and a slide mechanism is provided on the left and right forming plates.
The width can be adjusted by sliding the left and right forming plates left and right, so when folding the side forming plate, the width can be narrowed simply by sliding the left and right forming plates, and when the width is widened, the side forming plate Can be connected without gaps in accordance with the position of.

[Brief description of the drawings]

FIG. 1 is a side view of a management machine employing the present invention.

FIG. 2 is a front view of the same.

FIG. 3 is an exploded perspective view of the ridge forming device.

FIG. 4 is a rear view of the side molded plate.

FIG. 5 is a perspective view showing a state where the folding mechanism is extended and locked.

FIG. 6 is a perspective view of the same folded and locked state.

[Explanation of symbols]

 Reference Signs List 1 management machine 14 rotary tillage device 20 tillage cover 22 extension cover 24 support member 26 folding mechanism 27 rotating rod 30 side forming plate 32 upper forming plate 40 support 41 stopper 43 pivotal support 44 lock member 50 sub cover

Claims (4)

[Claims] In a configuration in which a support member is attached to a rear portion of a rotary tillage device and a wide ridge forming device is attached to the support member, an upper forming plate is attached to a rear portion of the support member, and both sides of the support member are provided. A ridge forming device, wherein a pivoting rod, a side forming plate, and an extension cover are attached via a folding mechanism, and the pivoting rod is attached so as to be foldable upward. 2. The folding mechanism comprises a support member fixed to an end of a support member, a pivot member fixed to an end of the rotating rod, and a lock member, and a work is performed by sliding of the lock member. The ridge forming device according to claim 1, wherein the ridge forming device can be changed between a position and a non-working position. 3. The ridge forming device according to claim 1, wherein a sub-cover for covering a space between the extension cover and a cultivation cover of a rotary tilling device is pivotally supported at a center side of the body of the extension cover. 4. The upper formed plate is composed of a middle formed plate and left and right formed plates, and a slide mechanism is provided on the left and right formed plates,
2. The ridge forming device according to claim 1, wherein the width of the left and right forming plates can be adjusted by sliding the left and right forming plates.