JPH09313008A - Stand apparatus in tiller - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stand apparatus in a tiller, capable of changing a stand part simply and stably, by compactly equipping the tiller with the stand apparatus. SOLUTION: A stand part is attached changeably from an operative position of a stand to an inoperative position of the stand through a supporting pin 65 to a fitting bracket 66 at the side of a rotary cover of a tiller detachably fixed to a traveling machine body. In both the change positions of the stand part, engaging members 93 and 93a to be meshed with an engaging part 95 formed at the stand part 6a are formed at both the sides of a spring plate 90. The fitting bracket 66 is attached and fixed to the central part of the spring plate 90.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stand device in a cultivating device detachably mounted on a traveling working machine such as a tractor or a cultivator.

[0002]

2. Description of the Related Art Conventionally, a cultivator mounted on a tractor has a mounting pin between a supporting member and a supporting rod with a supporting rod for grounding inserted in a mounting hole formed in a supporting member such as a toolbar. When the stand device formed by inserting the stand into the working posture of the stand and the cultivating device is removed from the machine, the stand device and the rotor part of the cultivating device are grounded to keep the cultivating device standing on the ground. Those that are known are known.

[0003]

However, the above-described conventional stand device is a hindrance when it is mounted on a tractor to perform work, so it is necessary to remove it, and it is troublesome to remove it. There are inconveniences such as having to consider storage so that the stand and mounting pins are not lost.

Further, the stand attached to the toolbar has a problem that the attaching work is complicated because the attaching pin has to be moved up and down by changing the position of the attaching pin to the height of the toolbar. There is.

[0005]

A stand device in a tilling device of the present invention for solving the problems of the above-mentioned conventional device is a side surface of a rotary cover 4 of a tilling device 1 which is detachably attached to a traveling machine body 3. The stand portion 6a is mounted on the mounting bracket 66 via the support pin 65 so as to be switchable between the stand working posture and the non-working posture, and the engagement formed on the stand portion 6a in both the switching postures of the stand portion 6a. Locking members 93, 93a that engage with the portion 95 are formed on both sides of the spring plate 90, and the central portion of the spring plate 90 is attached and fixed to the attachment bracket 66. In addition, handle portions 96 that are bent back so as to be separated from the stand portion 6a are formed at both ends of the spring plate 90 to improve handleability.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The configuration of the present invention will be described in detail with reference to the embodiments shown in the drawings. Reference numeral 1 shown in FIG. 1 is a cultivating device having a stand device according to the present invention, which is detachably attached to a hitch 30 provided at a rear portion of a traveling machine body (tractor) via a top mast 10.

The cultivating device 1 laterally rotatably supports a rotary portion 1R having a cultivating claw on a machine frame 1a having a top mast 10 and a rotary cover (main cover) 4 and a rear cover 5 above and behind the rotary portion 1R. It is covered with a fuselage frame 1 as shown in FIG.
Two toolbars 11 are provided at the center of a.
The adjustment screw rod 11a with a handle provided at 0 is pivotally supported so that the mounting height can be adjusted, and extends rearward.

A supporting rod 11 having a polygonal cross section (a quadrangular shape in the drawing) is capable of mounting and supporting a fertilizer applicator or another working machine (not shown) such as a wheel on the rear end portions of the two toolbars 11.
b is provided laterally. The rotary cover 4 is a chain in which a top plate cover 40 that covers the upper portion of the rotary portion 1R is integrally formed with main side covers 41 and 41 that cover both sides of the top plate cover 40, and is suspended and fixed to both left and right ends of the machine body frame 1a. Case (transmission case) 42 and support plate 43 (FIG. 3)
The joints are attached to each other in a gate-shaped frame formed by.

The top plate cover 4 of the rotary cover 4
A rear cover 5 is rotatably supported at the rear end of the rear cover 0, and a sub-side cover 45 that covers both sides of the rear cover 5 is attached to the rear end of the main side cover 41 and extends. 6 is a stand device according to the present invention,
A stand portion 6 formed in a T shape by a grounding rod 60 and a supporting rod 61 is configured by a mounting portion 6b (FIG. 4) that supports one side of the tilling device 1 so as to be switchable between an operating posture and a non-operating posture. The front end portion side of the ground rod 60 is bent inward (FIG. 3).

The stand device 6 includes a wide mounting plate 63 which serves as a base of the mounting portion 6b, and the main side cover 41.
And the auxiliary side cover 45 are connected to each other by straddling mounting bolts 64, so that both side covers 41,
The mounting plate 63 is mounted so as to enhance the connection rigidity, and a pair of left and right support rod receiving portions 66a for supporting the base portion of the support rod 61 by inserting the support pins 65 is formed on the side surface of the mounting plate 63. However, the mounting brackets 66, 66 are provided so as to face each other.

67 is the mounting bracket 66 and the support rod 6
1 is a spring for standing up the fulcrum which is interposed so as to connect with the middle part of the support 1. The spring 67 has the support rod 61 in the stand acting posture shown by the solid line in FIG.
In order to maintain a proper posture by pressing the stand portion 6a to the receiving portion 66a, the stand portion 6a is pushed and fixedly supported in the non-working posture shown by the dotted line which is rotated upward around the support pin 65 in the same manner as above. I am able to

The mounting brackets 66 on both sides are
By forming the bracket portion and the receiving portion 66a in the same L shape, they are manufactured at a low cost by the same press die and the same processing method. 4 to 7, reference numeral 9 denotes a fixing device for fixing and maintaining both the stand portions 6a when the stand portion 6a is switched between the stand working posture and the non-working posture. The fixing device 9 shown in the figure prevents the spring plate 90 from coming off by the mounting seat 92 while the spring plate 90 is non-rotatably fitted into the support pin 65 through the mounting hole 91 formed in the central portion. Pins (locking members) 9 on both sides of
3, 93a are formed inwardly and equidistantly so as to be fitted into the engagement holes (engagement portions) 95 formed in the base of the support rod 61 of the stand portion 6a. In addition, one mounting bracket 66 is also provided with a similar engagement hole 66p shown in FIG. At both ends of the spring plate 90, handle portions 96 are formed that are formed by obliquely bending outward so as to be sequentially separated from the stand portion 6a.

As a result, in the stand posture shown in FIG. 4, the engaging pin 9 protruding below the spring plate 90 is provided.
By fitting 3 into the engaging hole 95 of the support rod 61, the stand portion 6a is fixed in a stable stand posture. When the stand portion 6a is switched to the non-acting posture from this state, the lower handle portion 96 can be pulled toward the front side to easily pull out the engagement pin 93 from the engagement hole 95. After making the free state, the upper mounting portion 96 is operated to fit the engagement pin 93a into the engagement hole 66p of the mounting bracket 66 and the engagement hole 95 of the support rod 61, and the stand portion in the non-acting posture. It is possible to favorably maintain the fixed posture of 6a.

The stand device 6 constructed as described above is
During the cultivating work shown in FIG. 2, since it can be switched to the non-working posture that is lifted upward, it can be always attached without disturbing. At this time, the grounding rod 60 of the stand portion 6a is shown in FIG.
In the plan view shown in FIG. 3, the tip is located inside so as to cover the refueling cap 42a provided on the chain case 42 without protruding outside the machine in the chain case 42. It prevents the grass and trees from being caught even when they come into contact with the grass and prevents them from contacting the refueling cap 42a.

Further, since the stand 6a is in a compact storage state in which the supporting rod 61 does not largely project behind the chain case 42, an external object may be caught during traveling to hinder traveling. Absent. When it is desired to remove the tiller 1 from the traveling machine body 3 such as a tractor, the stand portion 6a is operated by the spring plate 90 (FIG. 6) to engage the engagement pin 93 with the engagement hole 95 as shown in FIG.
In the free state in which the support pin 65 is pulled out, the support pin 65 is rotated about the support pin 65 to switch the support pin 65, so that the stand action posture can be easily obtained.

Further, the tiller 1 is lowered so that the rotary portion 1R and the ground portion 6a come into contact with the ground, and
In this state, the hitch 30 is removed and operated to advance the machine body, whereby the two can be completely separated from each other, and the tiller 1 can be stably maintained on the ground in a standing state.

[0017]

According to the first aspect of the present invention, the stand device is mounted on the rotary cover so as to be switchable between the stand working posture and the non-working posture. Therefore, the stand device can be permanently mounted on the tilling device, and its mounting and removal. The work can be made unnecessary, and the stand device can be prevented from largely protruding from the body of the tilling device, so that the work in both postures can be favorably performed without being hindered by the normal wearing of the stand device. At this time, the stand portion has a simple structure due to the locking member of the engaging portion of the fixing device,
It can be stably and reliably fixed in both of the above switching postures.

According to the second aspect of the present invention, the engagement / disengagement operation of the locking member with respect to the engaging portion can be easily performed by bending the spring plate while holding the handle portion, and the operation is appropriately performed with a simple structure. It is possible to provide a fixing device capable of

[Brief description of drawings]

FIG. 1 is a side view showing a standing state of a tiller.

FIG. 2 is a side view showing a tractor mounted state of the tiller.

FIG. 3 is a plan view of the tiller.

FIG. 4 is a front view showing a mounting portion of a stand.

FIG. 5 is a side view of FIG. 4;

FIG. 6 is a side view showing the operation of the stand device.

FIG. 7 is a side view showing the operation of the stand device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Tillage device 3 Traveling vehicle 4 Rotary cover 5 Rear cover 6 Stand device 6a Stand part 9 Fixed position 40 Top plate cover 41 Main side cover 42 Chain case (transmission case) 45 Sub side cover 60 Grounding rod 61 Support rod 63 Mounting plate 6
4 mounting bolts 65 support pins 66a receiving portions 66 mounting brackets 67 springs 90 spring plates 93, 93a locking pins (locking members) 95 engaging holes (engaging portions)

Claims (2)

[Claims] 1. A mounting bracket 6 is provided on a side surface of a rotary cover 4 of a cultivating device 1 which is detachably mounted on a traveling body 3.
6, the stand portion 6a is mounted via the support pin 65 so as to be switchable between the stand acting posture and the non-acting posture, and in both the switching postures of the stand portion 6a, the stand portion 6a is attached to the engaging portion 95 formed on the stand portion 6a. Engaging locking members 93, 9
A stand device in a cultivating device, wherein 3a is formed on both sides of a spring plate 90, and a central portion of the spring plate 90 is fixed to a mounting bracket 66. 2. A stand device for a tiller according to claim 1, wherein handle portions 96 are formed at both ends of the spring plate 90 so as to be bent back so as to be separated from the stand portion 6a.