JPH0733051A - Management machine - Google Patents

Abstract

PURPOSE:To perform the work of erecting and enclosing stands easily near at hand by providing an operating lever for changing each stand, oscillatingly supported at the front lower part of a machine body, into an enclosed position from an erected position and holding it in the enclosed position, and disposing this operating lever in the vicinity of a handle. CONSTITUTION:In a management machine used for various kinds of farm working, an engine 2, a transmission case 3 and a handle supporting frame 61 with a handle 6 are disposed at a machine body 1, and one driving wheel 4 is also supported at the machine body 1. In this case, a lateral pair of stands 8 are oscillatingly supported at the front lower part of the machine body 1 and formed in such a way as to be erectable and enclosable in relation to the machine body 1, and an energizing body is additionally provided to energize each stand 8 into the erected position. In addition, an operating lever 93 for changing each stand 8 into the enclosed position from the erected position and holding it in the enclosed position is disposed in the vicinity of the handle 6. The work of erecting and enclosing the stands 8 can be thereby performed easily on the side close by the handle 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a management machine used for various agricultural works such as tilling and ridge rise.

[0002]

2. Description of the Related Art Conventionally, in this type of management machine, an engine is mounted on the front upper part of the machine body, and a mission case is provided on the rear side of the machine body for transmitting the rotational power of the engine to driving wheels and a rotary device. An operation handle is attached to the upper side of the mission case via a handle support frame. Further, on the front side of the drive wheels of the machine body, a stand composed of one or a pair of left and right leg portions is swingable between an upright position in which it stands upright with respect to the machine body and a storage position on the lower side of the machine body. When the various operations are performed in the field, the stand is held in the storage position, and when the machine is stored or when the operation in the field is temporarily stopped,
The stand is held upright in the upright position.

[0003]

However, since the stand is provided so as to be swingable between the standing position and the storage position so that it can be held at each of these positions, the stand can be held at each position. When changing the position, it is necessary for the operator to purposely go to the front side of the machine body to perform the swinging operation of the stand. Therefore, the stand-up and storage work of the stand is troublesome and troublesome, and moreover, the storage of the stand is required. When changing the position to the standing position or the standing position, the operator has to lift the front side of the machine body upward around the drive wheels and swing the stand to the standing position or the stored position in such a state. Also, there was a problem that storage work was difficult to perform.

SUMMARY OF THE INVENTION An object of the present invention is to provide a management machine that allows the stand to be erected and stored by operating the handle side.

[0005]

In order to achieve the above object, the present invention provides a machine body 1 with a handle support frame 61 having an engine 2, a transmission case 3 and a handle 6 to support one drive wheel 4. In the management machine, a pair of left and right stands 8 and 8 are provided at the lower front part of the machine body 1 so as to be respectively swingably supported between an upright position standing upright with respect to the machine body 1 and a storage position on the machine body 1 side. , 8 are provided to urge the standing position to the upright position, and
An operation lever 93 for changing the positions of the stands 8 from the standing position to the storage position is provided near the handle 6.

[0006]

First, when the stands 8, 8 are to be stored from the standing position to the storage position in order to perform various operations in the field,
By forcibly swinging the operation lever 93 provided on the handle 6 against the urging body 10 that urges the stands 8, 8 to the standing position side, the stands 8, 8 are
Are swung to the storage position on the lower side of the machine body, and are stored and held in the storage position by holding the positions of the stands 8 by the operation lever 93.

Further, when the management machine is stored or the work in the field is temporarily interrupted, when the stands 8 are raised from the storage position to the standing position, the operating lever 93 is unlocked. By swinging the stand 8, the stands 8, 8 are swung forward from the storage position via the urging body 10, and the tip ends of the stands 8, 8 are located on the front side of the standing position. Grounded. Then, by gripping the handle 6 in such a state, the machine body 1 is tilted to one side in the left-right direction of the machine body with one driving wheel 4 as a fulcrum, and the one-side stand 8 is floated above the ground, whereby the one-side stand is lifted. 8 is oscillated by the urging force of the urging body 10 to the upright position and held in the upright position.
The body 1 is tilted to the other side with the driving wheel 9 and the drive wheel 9 as fulcrums, and the other side stand 8 is floated above the ground, so that the other side stand 8 is swung to the standing position by the urging force of the urging body 10. Retained.

As described above, when storing the stands 8 and 8 from the standing position, the operation lever 93 provided near the handle 6 can be operated to store the stands 8 and 8, and the stands 8 and 8 can be stored respectively. Since it is independently swingable and is biased in the standing direction by the biasing body 10, when standing up from the storage position, the position holding by the operating lever 93 is released to swing in the standing direction. The aircraft 1 is moved, and thereafter, the aircraft 1 is tilted in the left-right direction to stand up.
It is possible to easily perform the standing and storing operations of the stands 8 and 8 on the handle side without performing the rocking operation of the stands 8 and 8 on the front side of the handle.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The management machine shown in FIG. 3 has an engine 2 mounted on the front upper part of a machine body 1, a mission case 3 joined to the rear side of the machine body 1, and travels to the lower front side of the mission case 3. One drive wheel 4 is supported via the transmission case 31 and a working device 5 such as a rotary device is supported on the lower rear side via the work transmission case 51, and is transmitted from the engine 2 to the mission case 3. While the rotary power is configured to be transmitted to the drive wheels 4 and the working device 5, an operation handle 6 is attached to an upper side of the mission case 3 via a handle support frame 61.

At the lower part of the front end of the machine body 1, a pair of left and right supporting plates 71, 71 are installed, and a supporting bracket 7 having a U-shaped cross-section whose lower side is opened is attached to the bracket 7, and a pair of left and right supporting brackets 7 are provided. Stand 8,
Each of them is swingably supported at a storage position on the lower side of the machine body shown by a solid line in FIG. 3 and an erected position that is substantially vertically erected on the lower side of the machine body 1 shown by a virtual line.

As shown in FIGS. 1 and 2, each of the stands 8 has a leg portion 81, a grounding body 82 provided at a tip end side of the leg portion 81, and a base portion side of the leg portion 81. The rocking member 83 is fixed, and the rocking member 83 has a U-shape whose front side is opened by a pair of left and right side plates 83a facing each other and a connecting plate 83b connecting the side plates 83a. A part of the base of the leg 81 is fixed to the inner surface of the connecting plate 83b by welding or the like. Then, the swinging members 83 of the respective stands 8 are disposed inside the bracket 7 at both left and right positions, and the left and right side plates 83a, 83a of the respective swinging members 83 are connected to the respective support plates 7 of the bracket 7.
1 and 71 are pivotally inserted through and supported by a shaft rod 72 which is inserted between the left and right side plates 83a of the rocking members 83,
A biasing body 10, 1 composed of a torsion spring for biasing each of the stands 8 to the standing position side around the outer circumference of the shaft rod 72 between 83a.
0 is inserted, and a pair of spring feet 10a and 10b extending from both sides in the length direction of each torsion spring 10 are located inside the support plate 71 of the bracket 7 and the swing member 83. The respective stand 8 is always biased toward the standing position side by the spring reaction force of each of the torsion springs 10 by engaging with the one side plate 83a. It should be noted that the bracket 7 is provided with a receiving member 73 extending downward from its central portion, and the receiving member 73 supports the intermediate portion in the longitudinal direction of the shaft rod 72.

Further, the bracket 7 is provided with a stand carrier 9 for changing the positions of the stands 8 from the standing position to the storage position. The stand carrier 9 is provided with the support plates 71 of the bracket 7. A pair of left and right swing operation plates 91, 91 which are swingably supported by the protruding ends of the shaft rod 72 on both outer side portions thereof, and these operation plates 9
1 is composed of a stand pushing rod 92 which is installed between the front ends of the stands 8 and is located on the front side of the leg portion 81 of each of the stands 8. The pushing rod 92 of the carrier 9 is located near the handle 6 The operation lever 93 provided on the outer cylinder 95
The inner cable 96 and the inner wire 96 are interlocked with each other. That is, as is apparent from FIG. 3, outer support plates 94, 94 are attached near the mounting position of the bracket 7 and near the handle 6 side of the machine body 1, and the outer support plates 94 are attached to these outer support plates 94, respectively. ,
While supporting the outer receivers 95a connected to both sides of the outer cylinder 95 in the length direction, the lengthwise ends of the inner wire 96 inserted into the outer cylinder 95 are connected to each other in the lengthwise direction of the pushing rod 92. It is connected to one side and the operation lever 93. The operation lever 93 may be directly provided on the handle 6 as in the embodiment, or may be provided on the handle support frame 61 or the like via a support member.

More specifically, the support member 97 having the outer support plate 94 at the lower side of the handle 6 on the hand side.
The boss 98 of the operation lever 93 is rotatably supported on the support member 97 via a pivot, and the boss 98 is used to amplify the amount of rotation of the boss 98 to support the boss 98. A substantially U-shaped actuating rod 99 that is transmitted to the stand pushing rod 92 is fixed, and one end side of the inner wire 96 is connected to the tip end side of the actuating rod 99. Then, as shown by the solid line in FIG. 3, by swinging the operation lever 93 forward, the inner wire 96 is pulled to move the stand pushing rod 92 to swing the operation plate 91. , And pushes each stand 8 by the stand pushing rod 92, and swings each stand 8 to the storage position on the lower side of the machine body against the biasing force of the torsion spring 10. In addition, as indicated by the phantom line, the operation lever 9
By swinging 3 toward the rear side, the tension force of the inner wire 96 is released, and the respective stand 8 are stored by pushing back the stand pushing rod 92 by the spring reaction force of the torsion spring 10. It swings from the position to the standing position.

Further, a friction mechanism having a resistance greater than the biasing force of the torsion spring 10 is provided between the boss portion 98 of the operation lever 93 and the pivot supporting the boss portion 98. , The operation lever 93 can be beaten against the torsion spring 10 and held in the solid line position,
The respective stands 8 can be held in the storage position.
In order to hold each of the stands 8 in the storage position, although not shown, a guide plate having a guide groove for guiding the operation lever 93 is provided on the support member 97 and locked in a part of the guide groove. When a groove is formed and the stand 8 is located at the storage position, the operating lever 9 is inserted into the locking groove.
The respective stands 8 may be housed and held in the housed position by locking the stand 3. In each drawing, reference numeral 11 denotes a bumper provided on the front end side of the machine body 1, the base end side of which is fixed to both sides of the bracket 7.

Next, the operation of the management machine having the above configuration will be described. First, when working in the field, the stand 8 is held in the storage position as shown by the solid line in FIG. 3, and the position change to this storage position is provided near the handle side of the handle 6. Operation lever 93
This is performed by swinging each of the stands 8 toward the front side against each of the torsion springs 10 that are biased toward the standing position. That is, by this swinging operation, the inner wire 9
The stand pushing rod 92 is pushed up rearward and upward by the rocking of each operation plate 91 via this 6, and the legs 81 of each stand 8 are pushed by this pushing, and each stand 8 is moved to the machine body. A friction mechanism that is simultaneously swung to the storage position on the lower side and is interposed between the boss portion 98 of the operation lever 93 and the pivot,
The operation lever 93 is locked by, for example, locking the guide plate in the guide groove, and the entire stand 8 is stored and held in the storage position shown by the solid line in FIG. Then, by rotatably driving the drive wheels 4 along the ground surface A of the field shown by the solid line in FIG. 3, the tilling work by the rotary device 5 is performed.

Further, when the management machine is stored or when the work in the field is temporarily interrupted, as shown by the phantom line in FIG. 3, the operation lever 93 is swung backward to operate. To do. That is, the tension force by the inner wire 96 is released by this swinging operation, and as a result, each stand 8 is pushed up by the biasing force of the torsion spring 10 from the storage position by pushing back the stand pushing rod 92. The grounding body 82 of each stand 8 is grounded to the ground A on the front side of the standing position by the rocking in the direction of the position.

By gripping the handle 6 in such a state, the machine body 1 is tilted to one side in the left-right direction of the machine body with one driving wheel 4 as a fulcrum, and the one-side stand 8 is floated upward from the ground A. The one-side stand 8 is rocked to the standing position by the biasing force of the torsion spring 10 and held in the standing position. The body 1 is tilted to the other side with the driving wheels 9 as a fulcrum, and the other side stand 8 is used to move the ground A
By being floated upward from the other side, the other side stand 8 is rocked and held in the standing position by the biasing force of the torsion spring 10. Therefore, each of the stands 8 is held upright, and the grounding body 83 of each of the stands 8 is grounded to the ground A shown by a virtual line in FIG. In the state where 5 floats above the ground, the entire body is held upright without tipping over.

As described above, when each of the stands 8 is stored from the standing position, the operation lever 93 provided on the hand side of the handle 6 is rocked to operate the operation lever 93.
Since each of the stands 8 is held at the stand storage position, each of the stands 8 can be stored by the hand operation by the operation lever 92, and by releasing the position holding by the operation lever 93, each of the stands can be stored. 8 can be swung in the standing direction and the respective stands 8 can be stood by tilting the machine body 1 in the left-right direction. Even if the rocking operation is not performed, the standing and storing operations of the respective stands 8 can be easily performed on the hand side of the handle 5. In the embodiment described above, the stand carrier 9 is provided, and a pair of left and right stands 8 and 8 can be operated by operating one operating lever 93.
The operation lever is provided for each of the stands 8 and 8 and the operation lever is provided for each of the stands 8.
Alternatively, each of the stands 8 and 8 may be interlocked with each other via an operation cable.

[0019]

As described above, according to the present invention, the body 1, the engine 2, the transmission case 3, and the handle support frame 61 having the handle 6 are provided, and one drive wheel 4 is provided.
In the management machine supporting the above, a pair of left and right stands 8 are supported at the lower front portion of the machine body 1 so as to be respectively swingable between an upright position standing upright with respect to the machine body 1 and a storage position on the machine body 1 side, and A biasing body 10 for biasing the stand 8 to the standing position is provided, and each of the stands 8 is changed from the standing position to the storage position, and the operation lever 93 capable of holding the position at the storage position is located near the handle 6. Since each of the stands 8 can be stored from the upright position by the operation lever 93, the operation lever 93 can be stored.
By releasing the holding of the position of 93, the respective stands 8 can be swung in the standing direction from the storage position by the urging force of the urging body 10, and further, by tilting the machine body 1 in the left and right direction in this state. The stand 8 can be raised to the standing position. As described above, since the standing and storing operations of the respective stands 8 can be performed on the hand side, it is necessary for the operator to purposely go out to the front side of the machine body 1 and perform the swinging operation of the respective stands 8 as in the conventional case. Therefore, it is possible to easily and easily stand up and store the respective stands 8.

[Brief description of drawings]

FIG. 1 is a front view of a front part of a management machine showing an embodiment of the present invention, showing a stand mounting portion.

FIG. 2 is a side view of FIG.

FIG. 3 is a side view showing the overall structure of a management machine.

[Explanation of symbols]

 1 Aircraft 2 Engine 3 Mission Case 4 Drive Wheel 6 Handle 61 Handle Support Frame 8 Stand 9 Operating Body 93 Operating Lever 10 Biasing Body

Front page continued (72) Inventor Eiji Yamazaki 5-32-7 Sendagaya, Shibuya-ku, Tokyo Ishi Kawashima Shibaura Machinery Co., Ltd.

Claims (1)

[Claims] 1. A management machine in which a body (1) is provided with a handle support frame (61) having an engine (2), a mission case (3) and a handle (6), and which supports one drive wheel (4), A pair of left and right stands (8) and (8) are supported on the lower front portion of the machine body (1) so as to be respectively swingable between an upright position in which the machine body (1) stands up and a storage position on the machine body (1) side. With these stands (8) (8)
Is provided with a biasing body (10) for biasing the stand to an upright position, and the stands (8) and (8) are moved from the upright position to the storage position so that the operation lever (93) can be held at the storage position. ) Is provided near the handle (6).