JP2001145410A - Self-traveling tea reaping machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve a problem that in a self-traveling tea reaping machine in which conventionally a tea reaping apparatus is hung from a main body having right and left traveling apparatuses which bestride a tea ridge in a row state and self-travel on both sides of the tea ridge and between the tea ridges, since an operation member for reaping operation is often installed apart from an operation part equipped with a traveling operation member, a reaping operation handling while carrying out a traveling operation is difficult, a wrong operation is liable to occur and a problem that especially when a transportable tea reaping machine which one has is used for the self-traveling reaping apparatus so as to decrease the cost of the self-traveling tea reaping machine, the operation member attached to the transportable tea reaping machine is greatly separated from the operation part equipped with the traveling operation member, the reaping operation handling while carrying out the traveling operation is made further difficult and operability is deteriorated although reduction in cost is attained. SOLUTION: The operation part 13 is equipped with reaping operation handling members 67/68/127/128. The reaping operation handling can be carried out by the same operation part 13 as that of the traveling operation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a self-propelled tea cutting machine for performing a tea cutting operation while moving over a tea ridge.

[0002]

2. Description of the Related Art Conventionally, there is a self-propelled tea cutter in which a tea cutting device is suspended from a main body having left and right running devices which straddle a row of tea ridges and run between both ridges of the tea ridges. Have been. In such a self-propelled tea mower, traveling operation members such as a main transmission lever, a sub transmission lever, and a side clutch lever that perform forward / backward or left / right turning are provided near a traveling device that is easy to operate even during traveling. It was provided collectively in the operation unit. On the other hand, mowing work operating members such as accelerator levers and clutch levers for driving the blades and controlling the position and posture of the tea mower are not directly related to the running operation, and generally, the position and posture control of the tea mower is performed. Since the running was performed with the traveling device stopped, the device was often arranged near a mowing drive engine or a height adjusting mechanism of the tea mowing device.

[0003]

In a tea ridge for picking tea leaves by such a self-propelled tea reaper, the density of the tea leaves and the shape of the surface of the tea ridges in the same row are not always constant, but within a certain range. At present, it often changes, so even when running, it is necessary to fine-tune the reciprocating speed of the cutting blades of the tea cutting device, the height of the tea cutting device, the vertical inclination angle, etc. There is. However, the conventional mowing operation member is disposed separately from the operating portion provided with the traveling operation member as described above, and it is difficult to perform the mowing operation while traveling, and the erroneous operation is likely to occur. there were. In addition, for the purpose of reducing the cost of the self-propelled tea mower, a means for diverting a hand-held portable tea mower to the self-propelled tea mower may be considered. Position matters. That is, when the portable tea-cutter is used simply by hanging it on the main body, the operation between the operation member provided from the beginning and the operation unit provided near the traveling device of the main-body is performed. Because of the distance, it is very difficult to perform a mowing operation while traveling, and there is a problem that the operability is not good although the cost can be reduced by diverting a portable tea mower.

[0004]

The problems to be solved by the present invention are as described above. Next, means for solving the problems will be described. That is, in claim 1,
An operation unit that straddles a row of tea ridges, suspends a tea mowing device on a main body having left and right traveling devices that travels between both ridges of the tea ridges, and has a traveling operation member provided near the traveling devices. In the self-propelled tea-cutter having the above arrangement, a mowing operation member is provided alongside the operating portion, so that the mowing operation can be performed in the same operating portion as the traveling operation.

[0005] In claim 2, straddling a row of tea ridges,
A tea cutting device is suspended from a main body having left and right running devices that run on both side ridges of the tea ridge, and a mounting structure that allows a portable tea cutting machine to be used as the tea cutting device is provided. In a self-propelled tea cutter in which an operation unit provided with a traveling operation member is provided in the vicinity, a mowing work operation member is provided alongside the operation unit, and the mowing operation can be performed in the same operation unit as the traveling operation. It is configured.

According to a third aspect of the present invention, there is provided a mowing operation member according to the first or second aspect, comprising a driving operation member for controlling an engine for driving a cutting blade, and a driving operation member for controlling a position / posture of a tea cutting device. In addition to the arrangement operation member, the arrangement is such that by operating the arrangement operation member, the tea cutting device can be adjusted to an appropriate position and posture even during traveling.

[0007]

Embodiments of the present invention will be described below with reference to the accompanying drawings. 1 is an overall front view of the self-propelled tea mower of the present invention, FIG. 2 is a side view thereof, FIG. 3 is a perspective view showing a front power transmission system, and FIG. 4 is a perspective view showing a rear power transmission system. 5 is an overall perspective view of the tea cutting device, FIG. 6 is a front view of the operation unit, FIG. 7 is a perspective view of the upper part of the main body, FIG. 8 is a perspective view of a link mechanism between the operation unit and the tea cutting engine, and FIG. 10 is a perspective view of the adjustment mechanism, FIG. 11 is a perspective view of the height adjustment mechanism, FIG. 12 is an explanatory view of the elevation operation of the height adjustment mechanism, and FIG. 13 is a perspective view of the horizontal angle adjustment mechanism from below. FIGS. 14 and 14 are perspective views from above, FIG. 15 is a perspective view of a left / right position fine adjustment mechanism, FIG. 16 is a perspective view of an inclination angle adjustment mechanism, and FIG. 17 is a perspective view of an inner mounting portion of the front / rear inclination angle adjustment mechanism. , FIG.
8 is a perspective view of the outer mounting portion.

First, the overall configuration of a self-propelled tea cutter according to the present invention and the traveling operation by a traveling operation member will be described with reference to FIG.
This will be described with reference to FIGS. As shown in FIGS. 1 and 7, the front and rear portal frames 1 are moved by the left and right traveling devices 2L and 2R.
7 and 18 are movably supported, and the portal frame 17
The right and left sides of 18 are left and right side frames 16a and 16
It is linked back and forth by b. The gate-shaped frames 17 and 18 are divided into two parts at the substantially central portion, left and right, and fixed-side frames 17b and 18b having lower ends fixed to the left-side traveling device 2L are disposed on the left side. On the other hand, slide-side frames 17a and 18a whose upper ends are inserted into the fixed-side frames 17b and 18b and whose lower ends are fixed to the right-side traveling device 2R are provided.
The tip of an arm 20 is fixed to the inner wall of the right side frame 16b connecting the front and rear 7a and 18a.

The base of the arm 20 is slidably supported on the side of the gantry 11 fixed on the fixed side frames 17b and 18b, and by expanding and contracting the arm 20, the distance between the traveling devices 2L and 2R is increased. Can be adjusted freely. A support section 3 is provided on the gantry 11 so as to be movable left and right, and a tea cutting device 5 is arranged on the support section 3 via a mounting section 4 so that the position and posture can be freely adjusted. I have.

As shown in FIG. 1 and FIG.
Has a body case 21 curved in the longitudinal direction, and a reaping engine 22 and a blower 23 are provided on one side of the body case 21.
Are mounted coaxially and integrally, a cutting blade drive case 24 is provided below the blower 23, and the cutting blade drive case 24
A clipper-type cutting blade 25 is provided along the front edge of the body case 21. A blower tube 26 communicating with the blower outlet of the blower 23 is disposed along an obliquely front upper side of the cutting blade 25, and the blower tube 26 has a large number of exhaust ports 27 in a direction of the cutting blade 25 at a predetermined interval. Are juxtaposed.

That is, such a tea cutting device 5 is connected to a tea ridge 6
When the cutting engine 22 is driven while moving on one side of the blade, the blower 23 and the cutting blade 25 operate to cut the tea leaves 7 by the reciprocating cutting blade 25, and the cut tea leaves 7 The wind blown by the blast pipe 2
6, the air is blown out from the air outlet 27, so that the air is blown backward and stored in the tea leaf storage bag 28.

As shown in FIG. 2, a guide wheel 30 and a drive wheel 29 are provided at the front and rear portions of the left traveling device 2L, and a crawler is provided between the drive wheel 29 and the guide wheel 30. 3
2 is wound, and the crawler 32 includes a plurality of rolling wheels 31.
.. Are rotatably stretched on the traveling device 2L. The same applies to the right traveling device 2R.

As shown in FIGS. 1 to 4, 6 and 7, an engine 33 is mounted above the rear left portion of the main body 1, and an output pulley 34 is fixed to an output shaft of the engine 33. At the same time, an input pulley 36 is also fixed to an input shaft of a transmission case 35 provided adjacent to the engine 33, and a belt 37 is wound between the input pulley 36 and the output pulley 34. I have.

The output shaft of the transmission case 35 includes:
An output pulley 39, a traveling power transmission shaft 38, and a sprocket (not shown) are fixedly mounted. The sprocket is connected to a sprocket coaxial with the driving wheel 29 via a chain (not shown) in a left traveling transmission case 44. The power of the engine 33 is shifted in the transmission case 35 and transmitted to the left traveling device 2L.

The traveling power transmission shaft 38 extends rightward and is inserted into an upper part of a right traveling transmission case 45 fixed to the side surface of the right side frame 16b. Power is transmitted through the unillustrated chain, sprocket, and drive wheels in the right traveling transmission case 45 in the same manner as in the case of the left traveling device 2L. , To the right traveling device 2R.

Here, the rear fixed frame 18b
The operation unit 13 is disposed so as to be housed inside the main body, and the operation unit 13 has a main transmission lever 46 and a sub transmission lever 47.
The main transmission lever 46 and the auxiliary transmission lever 47 are connected to the transmission case 35 via a link mechanism (not shown). By operating the main transmission lever 46 and the auxiliary transmission lever 47, The transmission and the rotation direction are switched in the transmission case 35, so that the left and right traveling devices 2L and 2R move forward and backward or shift. The operation unit 13 includes left and right side clutch levers 4.
8.49 are also provided, and the left and right side clutch levers 4 are provided.
By operating 8.49, the clutch of the traveling device on the turning side in the transmission case 35 is disconnected to stop the rotation of the crawler, and the crawler of the traveling device on the other side is rotated as it is to rotate the crawler. Then, the machine body can be turned so that the cutting operation on one tea ridge is completed and the direction change on the headland when moving to the adjacent tea ridge can be freely performed.

The output pulley 39 is wound by a belt 40 between a driving pulley 43 disposed further forward, and the belt 40 is connected to a tension pulley 41 disposed between the pulleys 39 and 43. -It is stretched by 42. The drive pulley 43 is fixed to a base of a screw shaft (not shown) provided in the arm support frame 51, and the screw shaft is screwed into the arm 20 having a female screw threaded on an inner surface. .

Here, a machine width adjusting lever 50 is disposed on the operation unit 13, and the machine width adjusting lever 50 is connected to the tension pulleys 41 and 42 via a link mechanism (not shown). By operating the adjusting lever 50, the tension pulleys 41 and 42 are pressed against the belt 40, and the belt 40 is tensioned to pull the pulleys 39 and 42 together.
43 are connected, and the rotational force of the output pulley 39 is transmitted to the drive pulley 43. When the screw shaft is rotated by the drive pulley 43, the arm 20 into which the screw shaft is screwed is expanded and contracted, and the traveling devices 2L and 2
The interval between the R is adjusted so that the machine width can be adjusted to the ridge width before traveling. The switching of the expansion and contraction of the arm 20 is performed by switching the forward and backward movement of the body to reverse the rotation direction of the output pulley 39, and the belt 40 and the driving pulley 4
This can be done by reversing the direction of rotation of the screw shaft interlocked via 3.

As described above, the operation unit 13 provided on the upper part of the traveling device 2L includes the main transmission lever 46, the sub transmission lever 47,
A traveling operation member including left and right side clutch levers 48 and 49 and a machine width adjusting lever 50 is provided. By operating these traveling operation members, the main body 1 is changed to a machine width suitable for the ridge width. , And the traveling devices 2L and 2
R is advanced, and the tea cutting device 5 disposed on the main body 1 is moved to the tea ridge 6.
Is moved on one side, and the cutting blade 25 cuts the tea leaves 7. Then, when it reaches the end of the tea ridge, only the tea cutting device 5 is rotated by 180 degrees by a horizontal angle adjustment mechanism described later, and then the traveling devices 2L and 2R are moved backward to remove the tea leaves 7 remaining on the other one side. They try to reap.

Next, of the cutting operation operations according to the present invention, the driving operation of the cutting blade engine 22 will be described with reference to FIGS.
This will be described with reference to FIGS. A link base 113 is placed and fixed on the upper surface of the outer part of the upper frame 71a constituting the mounting part 4, and the side plate 1 is positioned from the inner side of the link base 113.
13a is provided upright, and the operation unit 1 is provided on the side plate 113a.
Accelerator link code 114 on the main body side extended from
And an exterior portion of the clutch link cord 115 is fixedly provided.

A main body-side accelerator wire 114a extends from the main body-side accelerator link cord 114, and the main body-side accelerator wire 114a is connected to the link base 113.
The cutting side link plate 122 is rotatably provided coaxially above the main body side link plate 121 and connected to the body side link plate 121 which is pivotally supported above. A hook 122a is formed at one end of the cutting side link plate 122,
The hook 122a has a mowing accelerator wire 116 attached thereto.
The cutting edge accelerator wire 116a can be locked to the cutting side link plate 122 by engaging the front end of the cutting line a with the pressing lever 125. In addition,
The reaper-side accelerator wire 116a extends from the reaper-side accelerator link cord 116, and the reaper-side accelerator link cord 116 is locked by a locking portion 119 provided upright on the outer side of the link table 113.

A long hole 122b is opened in the cutting side link plate 122 on the opposite side of the presser lever 125 across the shaft in the left-right direction, and a lock screw 123 is provided in the long hole 122b.
, So that the cutting side link plate 122 and the main body side link plate 121 can be fastened and fixed at a free angle, and a holding spring 124 is elastically mounted between the main body side link plate 121 and the link base 113. When the lock screw 123 is released, the main body side link plate 121 is rotated inward and held.

The main body side clutch link cord 115
From the main body side clutch wire 115a is extended,
The main body side clutch wire 115a is
13, a hook 120a is formed on the link plate 120, and the tip of the cutting-side clutch wire 117a is engaged with the hook 120a, and the hook 120a is pressed. By pressing with the lever 126, the mowing side clutch wire 117a can be locked to the link plate 120. Note that the cutting side clutch wire 117a is connected to the cutting side clutch link code 1.
The reaping-side clutch link cord 117 is locked by a locking portion 118 erected on the outer side of the link base 113.

In such a configuration, the holding lever 12
Accelerator wire 116a on the reaping side
・ Connect the clutch wire 117a to each link plate 122 ・ 12
0, and the lock screw 123 is tightened to integrate the cutting side link plate 122 with the main body side link plate 121, so that the main body side accelerator wire 114a, the cutting side accelerator wire 116a, the main body side clutch wire 1
15a and the cutting side clutch wire 117a are connected.

In this state, by operating the cutting accelerator lever 127 and the cutting clutch lever 128 provided on the operation section 13, the accelerator wire 114a and the clutch wire 115a on the main body side expand and contract, and each link plate according to the expansion and contraction. The operating force is transmitted to the cutting-side accelerator wire 116a and the clutch wire 117a to rotate the cutting-side accelerator wire 116a and the clutch wire 117a.
a and the clutch or the clutch of the reaping engine 22 connected to the clutch wire 117a.

The operation unit 13 and the reaping engine 22
For the accelerator link system, the lock screw 123 is loosened and the upper and lower link plates 121 and 12 are connected.
2 are rotatable along the elongated holes 122a, and the clutch link system can be easily cut by simply operating the holding lever 126 to remove the reaping-side clutch wire 117a from the link plate 120. I have to. In the present embodiment, even when the cutting engine 22 of the tea cutting device 5 is restarted after the fine adjustment of the position of the tea cutting device 5 by the detachable link mechanism 111, the worker can perform the operation. After cutting the link mechanism 111,
By performing the hand operation with the starter or the like of the reaping engine 22, the reaping engine 22 can be started easily without having to go to the operation section 13 side by-passing the tea ridges 6.

As described above, the operating section 13 provided with the traveling operating section is also provided with a drive operating member for the cutting blade engine 22 including the cutting accelerator lever 127 and the cutting clutch lever 128, as described above. By operating this drive operation member after securing the connection between the operation unit 13 and the cutting engine 22, the reciprocating speed of the cutting blade 25 and the like are optimized even during traveling, and an appropriate value according to the condition of the tea ridges. It is possible to carry out a great tea harvesting work.

Next, a description will be given of the position / posture control adjusting mechanism of the tea cutting device 5 and the arrangement operation of the tea cutting device 5 in the cutting operation according to the present invention. First, the left / right position adjustment mechanism 52 will be described with reference to FIGS. 1, 7, 9, and 10. FIG. On the gantry 11, a movable table 19 forming the upper part of the support portion 3 is mounted. Guides 19a provided on the movable table 19 are provided with guide bars 60a.
A gauge 19b extends from the gantry 11 while being slidably fitted to the outside of the base 60b. On the other hand, on the side of the gantry 11, a left / right movement lever 58 is disposed.
Is pivotally supported by the front fixed side frame 17b, and one end of an arm 61 is pivotally connected to the front and rear part of the left / right movement lever 58, and the other end of the arm 61 is connected to the moving table 19. ing.

In the left / right position adjusting mechanism 52 having such a configuration, when the grip portion 58a of the left / right movement lever 58 is gripped and rotated left and right, the movable table 19 also slides left and right and is suspended below. The left and right positions of the tea cutting device 5 can be moved while being checked with the gauge 19b, and the tea cutting device 5 can be adjusted to approximately the left and right central portions of the main body 1.
After the adjustment, a fixing member 59 such as a knob screw is used.
The left and right movement lever 58 can be fixed to the fixed frame 18b at the rear.

The height adjusting mechanism 53 is shown in FIG.
This will be described with reference to FIGS. 6, 7, 11, and 12. A lift motor 10 connected to a height adjustment switch 67 of the operation unit 13 and a gear case 66 are mounted and fixed on the movable base 19, and an output shaft from the lift motor 10 is provided in the gear case 66. A worm gear 62 fixed to the worm gear, a sprocket 63 fixed coaxially with the pivot of the worm wheel meshing with the worm gear 62, and a sprocket 64 connected to and linked to the sprocket 63 via the chain 65 are rotatable. It is arranged.

The upper end of the chain 65 wound in an S-shape on the sprockets 63 and 64 is extended and fixed to the upper frame 8a of the lifting frame 8, and the lower end of the chain 65 is fixed to the lower lifting disk 9 , Side bars 8b and 8b are erected from right and left diameter ends of the elevating disk 9, and slidably pass through the moving table 19, and the left and right ends of the upper frame 8a. Is connected and fixed. Therefore, in the height adjusting mechanism 53, unlike the conventional column-type elevating device, even when the tea cutter is transported by a carrier or the like, the height of the elevating frame 8 is lowered only to the lowest position. Since the upper projecting portion can be almost eliminated, the height is not restricted, and storage in the garage is easy.

In such a configuration, by operating the height adjustment switch 67, the elevating motor 10 is operated to rotate the sprockets 63 and 64, and the chain 6
5 is wound up or down, and the lifting frame 8 connected to the chain 65 is also raised and lowered, so that the
Height can be easily and quickly adjusted.

Next, the horizontal angle adjusting mechanism 54 will be described with reference to FIGS. 1, 5, 13 and 14. A rotating disk 70 that is rotatable around the same axis as the lifting disk 9 is adjacent to the lower surface of the lifting disk 9, and below the rotating disk 70 via connecting members 72, 72. In addition, a left / right position fine adjustment mechanism 55, which will be described in detail later, is integrally formed, and the left / right position fine adjustment mechanism 55 is attached to the upper frame of the mounting frame 71 for locking the tea cutting device 5 downward. 71a is slidably engaged left and right.

A fixing member 74 such as a knob screw is disposed on a fixed frame 9a fixed to the upper surface of the elevating disk 9 as an upper plate while being urged downward by a spring 75. Is inserted through one of the holes provided in the elevating disk 9 immediately below and into one of the locking holes 73 opened 180 degrees from each other and facing the rotating disk 70, whereby the upper and lower disks 9 It can be connected and fixed. A fastening member 76 is provided near the outer edge of the lifting disk 9, and the upper and lower disks 9, 70.
Can be pinched and fixed at an arbitrary angle.

In such a configuration, after the clamping between the discs 9 and 70 is released by operating the lever 76a of the fastening tool 76, the fixing tool 74 is pulled up and detached from the locking hole 73. By gripping and rotating the mounting frame 71, the rotating disk 70 holding the tea cutting device 5 downward can be rotated to a predetermined horizontal angle with respect to the lifting disk 9.

At this time, when the tea cutting device 5 is disposed at right angles to the traveling direction, the fixing tool 74 is fixed to one of the front and rear locking holes 73. When arranging 5 at an arbitrary angle other than a right angle with respect to the traveling direction, the fixing tool 74 is attached and detached, the upper surface of the lifting disk 9 is slid while being lightly floated, and then rotated to a predetermined horizontal angle. By operating the lever 76 a, the discs 9 and 70 can be clamped and fixed by the fastener 76.

That is, when the mowing on one side of the tea ridge is completed and the mowing on the other side is performed, the horizontal angle adjusting mechanism 54 is used to rotate the tea mowing apparatus 5 and the cutting blade 25 After turning the direction of the vehicle 180 degrees
By simply moving the L · 2R backward, there is no need to invert the main body 1 on the headland, and the mowing on the other side can be performed easily and quickly.

Further, since the tea cutting device 5 can be disposed obliquely to the running direction, the width and shape of the surface where the cutting blade 25 actually hits the tea ridge 6 can be adjusted by finely adjusting the horizontal angle. It can be changed freely, even if it is a tea ridge with narrow ridge width and various ridge widths, even if the arc shape on the upper surface is different,
The reaping can be performed with high accuracy.

Further, regarding the left / right position fine adjustment mechanism 55,
This will be described with reference to FIGS. 5, 13, and 15. A holding member 80 is fixed to the rotating disk 70 via the connecting members 72, 72, etc., and the upper frame 71a is inserted into the holding member 80 so as to be slidable in the left-right direction. The side of the upper frame 71a has a chain 7
7 is fixedly provided. A ratchet-type handle 81 is pivotally mounted on the holding member 80.
(Not shown) provided at the base of the chain 77 can be locked to the chain 77 in only one direction.

In such a configuration, the handle 8
By changing the direction in which the claw can be locked by the switching member 81a provided at the base of the first unit, the handle 81 is swung to the left or right, so that the upper frame 71a is clicked to the right or left. Can be moved to the lower side, and the mounting frame 71 in which the tea cutting device 5 is locked downward.
Can be moved to a predetermined left / right position to finely adjust the left / right position of the tea cutting device 5.

That is, even after adjusting the tea cutting device 5 to the substantially right and left central portions of the main body 1 by the right and left position adjusting mechanism 52, the handle 81 is operated to be optimal according to the condition of the tea ridge 6. The tea mowing apparatus 5 can be moved to the right and left positions, and uncut mowing can be prevented. After the adjustment, the upper frame 71a can be fixed to the holding member 80 by the fixing screw 79.

Next, the tilt angle adjusting mechanism 56 will be described with reference to FIGS. The upper frame 7
A pantograph section 82 composed of a rhombic parallel crank mechanism as viewed from the front is vertically provided from an extension end outward from 1a,
A lower frame 71b of the mounting frame 71 is connected to a lower end of the pantograph section 82, and a connecting section 8
A telescopic mechanism capable of changing the interval between 2a and 82b is provided.

In the extension mechanism, the inclination angle motor 83
A screw shaft 85 fixedly mounted on the rotation shaft is extended outward, and the screw shaft 85 is inserted into the connecting portions 82a and 82b. The extension end of the screw shaft 85 is rotatably fitted so as not to protrude, and a female screw is threaded on the inner surface of the connecting portion 82a inside the fuselage, and an intermediate portion of the screw shaft 85 is screwed into the female screw.

In such a configuration, the operation unit 13
By operating the tilt angle adjusting switch 68, the tilt angle motor 83 connected to the tilt angle adjusting switch 68 is driven, the screw shaft 85 is rotated, and the connecting portion 82b on the outer side of the body is left as it is, and Only the connecting portion 82a can be freely moved left and right via the female screw,
Thus, the vertical height of the pantograph section 82 can be changed, and the inclination angle of the tea cutting device 5 can be easily and quickly adjusted even during traveling.

Since the screw shaft 85 does not protrude outwardly from the connecting portion 82b as described above, the inside of the main body 1 is adjusted in order to adjust the right and left position and the horizontal angle of the tea cutting device 5. Is performed, the projecting portion of the screw shaft 85 does not hinder the operation, and good workability can be secured.

Next, the front-back tilt angle adjusting mechanism 57 will be described.
This will be described with reference to FIGS. 5, 17, and 18. An inner supporting arm 86 is locked to the inner side 71c of the lower frame 71b via the inner mounting portion 14, and an outer supporting arm 87 is locked to the outer side 71d of the lower frame 71b via the outer mounting portion 15. The tea mowing apparatus 5 is supported by these inner and outer support arms 86 and 87.

In the inner mounting portion 14, the inner side 7
One end of the mounting member 88 is pivotally connected to one end of the mounting member 88 so as to be vertically rotatable.
8a is opened vertically long, and a fixing tool 92 is inserted into the longitudinally inclined oblong hole 88a, and the other end of the mounting member 88 is fastened and fixed to the other end of the inner side 71c by the fixing tool 92 at a predetermined height. At the same time, support stays 88c are protruded laterally around the lower side of the mounting member 88. The inner support arm 86 is placed on the support stays 88c, 88c.
A pressing member 89 is placed on the upper surface, and guide bars 90, 90 laid across the front and rear of the pressing member 89, are inserted so that both ends thereof can be moved up and down into the sliding long holes 88 b of the mounting member 88. At the same time, a pressing spring 91 is elastically mounted between the front and rear upper ends of the pressing member 89 and the lower part of the mounting member 88.

On the other hand, in the outer mounting portion 15, one end of an outer side 71d is pivotally connected to one end of a mounting member 93 so as to be vertically rotatable. Are elongated vertically, and the longitudinal hole 93a
The guide member 94 is inserted through the guide member 94 so that the other end of the mounting member 93 can be moved up and down with respect to the other end of the outer side 71d. The connecting plate 95 is connected as possible.
A return spring 112 is elastically mounted between the lower end of the mounting member 93 and the mounting frame 71. A support stay 95 protruding laterally from a lower side of the connecting plate 95 is provided.
a The outer support arm 87 is sandwiched between the upper surface and the lower side of the pressing member 97 pivotally supported by the lower portion of the connecting plate 95, and the outer supporting arm 87 is held between the connecting plate 95 and the pressing member 97. Has a plate spring 96 mounted thereon.

In such a configuration, the inner mounting portion 14
When the guide bar 90 is pulled up and the pressing member 97 is pushed to the left by the outer mounting portion 15 to rotate, the inner and outer support arms 86 and 87 can be easily removed.
By performing the reverse procedure, the inner support arm 86
Is between the support stays 88c and 88c and the lower side of the pressing member 89, and similarly, the outer support arm 87 is between the support stay 95a and the lower side of the pressing member 97, The holding force can be reliably held by the elastic force of the leaf spring 96.

That is, since a portable tea-cutter is provided as the tea-cuttering device 5, a mounting structure comprising connecting members such as the inner mounting portion 14 and the outer-mounting portion 15 is provided. Can be diverted, and cost reduction when switching to a self-propelled tea mower can be achieved. Further, when the fixing tool 92 is loosened and the inner support arm 86 is rotated back and forth, the outer support arm 87 is also Since the rotation follows, the fixing tool 92 can be tightened to set a predetermined front-back inclination angle, and the width and shape of the surface where the cutting blade 25 actually hits the tea ridge 6 can be freely changed. Also, it is possible to flexibly cope with a tea ridge 6 having a different arc shape on the upper surface.

Of the above-described position / posture control adjustment mechanisms of the tea cutting device 5, the height adjustment mechanism 5 which greatly affects the cutting performance is provided.
3 and the inclination adjusting mechanism 56 are connected to a height adjusting switch 67 and an inclination adjusting switch 68, respectively.
The height adjustment switch 67 and the inclination angle adjustment switch 68
As shown in FIG. 6, all of them are provided along with the operation unit 13 provided with the traveling operation unit, and by operating these arrangement operation members, the height and the vertical inclination angle of the tea cutting device 5 can be freely changed. As in the case of the cutting accelerator lever 127 and the cutting clutch lever 128, it is possible to optimize the contact of the cutting blade 25 with the surface of the tea ridge 6 even during running, and to perform appropriate tea cutting work according to the condition of the tea ridge 6. You can.

In particular, as described above, in the case where the portable tea-cutter hand-held is diverted to the self-propelled tea-cuttering apparatus, the operation section 13 is provided with the cutting operation member so that the cutting operation can be performed. By adopting a configuration that can be carried out in the same operation unit 13 as the traveling operation, an operation member such as a drive operation member for controlling the cutting blade engine 22 that is provided from the beginning in the portable tea mower can be used as a traveling operation member. Since the operation can be performed at the same position, the mowing work operation can be easily performed while performing the traveling operation.

[0053]

As described above, the present invention has the following advantages. That is, as in claim 1, a tea mowing device is suspended from a main body having a left and right traveling device that runs over a row of tea ridges and runs between both ridges of the tea ridge, and in the vicinity of the traveling device. In a self-propelled tea mower provided with an operation unit provided with a traveling operation member, a mowing work operation member is provided along with the operation unit, and a mowing operation can be performed in the same operation unit as the traveling operation. This makes it possible to fine-tune the mowing speed, height, vertical tilt angle, etc., of the tea mowing device without erroneous operation during driving, making it ideal for tea ridge conditions such as the density of tea leaves and the shape of the tea ridge surface. Thus, it is possible to perform a proper harvesting operation, and to improve the working efficiency and homogenize the quality of the cut leaves.

According to a second aspect of the present invention, a tea-cutting device is suspended from a main body having left and right running devices which run over both rows of the tea-shaped ridges and run between both ridges of the tea-shaped ridges. A self-propelled tea mower having a mounting structure in which a portable tea mower can be used and an operating unit provided with a running operating member is provided in the vicinity of the traveling device. Attached,
The mowing work operation can be performed in the same operation section as the traveling operation, so that the portable tea mower can be diverted to the self-propelled tea mower without deteriorating the operability, thereby reducing costs. it can.

As described in claim 3, claim 1 or claim 2
The cutting operation member described above includes a drive operation member for controlling the engine for driving the cutting blade, and a placement operation member for controlling the position / posture of the tea cutting device, and operating the placement operation member. With this configuration, the tea mowing device can be adjusted to an appropriate position and posture even during traveling, so that the tea mowing device can be reliably controlled from both the position and the cutting blade operation, and the optimal mowing work can be performed. is there.

[Brief description of the drawings]

FIG. 1 is an overall front view of a self-propelled tea cutter according to the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is a perspective view showing a front power transmission system.

FIG. 4 is a perspective view showing a rear power transmission system.

FIG. 5 is an overall perspective view of the tea cutting device.

FIG. 6 is a front view of an operation unit.

FIG. 7 is a perspective view of the upper part of the main body.

FIG. 8 is a perspective view of a link mechanism between the operation unit and the tea cutting engine.

FIG. 9 is a perspective view of a left and right position adjustment mechanism.

FIG. 10 is a perspective view of the same.

FIG. 11 is a perspective view of a height adjusting mechanism.

FIG. 12 is an explanatory diagram of the elevating operation of the height adjusting mechanism.

FIG. 13 is a perspective view from below of a horizontal angle adjustment mechanism.

FIG. 14 is a perspective view from above as well.

FIG. 15 is a perspective view of a left / right position fine adjustment mechanism.

FIG. 16 is a perspective view of a tilt angle adjusting mechanism.

FIG. 17 is a perspective view of an inner mounting portion of the front-rear inclination angle adjusting mechanism.

FIG. 18 is a perspective view of the outer mounting portion.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2L * 2R traveling device 5 Tea cutting device 6 Tea ridge 13 Operation part 22 Engine 46 * 47 * 48 * 49 * 50 Running operation member 67 * 68 Arrangement operation member 67 * 68 * 127 * 128 Cutting operation operation member 127 * 128 drive operation member

Claims (3)

[Claims] 1. A tea cutting device is suspended from a main body having a left and right traveling device which runs over a row of tea ridges and runs between both ridges of the tea ridge, and a traveling operation member is provided near the traveling device. In a self-propelled tea reaper having an operation unit provided with a turret, a reaping operation member is provided alongside the operation unit, so that the reaping operation can be performed in the same operation unit as the traveling operation. A self-propelled tea-cutter. 2. A tea cutting device is suspended from a main body having a left and right running device that runs across a row of tea ridges and runs between both ridges of the tea ridge, and a portable tea cutting machine is used as the tea cutting device. In a self-propelled tea cutter having an operating portion provided with a traveling operation member in the vicinity of the traveling device while providing an available mounting structure, a mowing operation member is provided alongside the operation portion, and a mowing operation is performed. A self-propelled tea-cutter, characterized in that the operation can be performed in the same operation unit as the traveling operation. 3. The cutting operation member includes a drive operation member for controlling the engine for driving the cutting blade, and a placement operation member for controlling the position and posture of the tea cutting device. 3. The self-propelled tea cutter according to claim 1 or 2, wherein the device is configured to be able to adjust the tea cutting device to an appropriate position and posture even during running by operating the tea cutting device.