JP4030690B2 - Semi-propelled plucking machine - Google Patents

Description

[0001]
[Industrial application fields]
In the present invention, the traveling device that crawls the tea tree planted in the row and self-propells between the one of the cages, and more specifically, supports one (hem side) of the plucking device that moves on the tea tree cage, The present invention relates to a plucking device support structure for a semi-self-propelled plucking machine that performs a necessary pruning operation or the like in a process in which an operator supports the other (top side) of the plucking device with a handle and moves on a tea tree cocoon.
[0002]
[Prior art]
Conventionally, as a cultivation management work machine for tea plantations planted in a row, a two-person plucking machine that can be carried by two people, or one side of a plucking device supported by a traveling device for two or one person There are known semi-self-propelled plucking machines that work on a self-propelled plucking machine that works alone.
[0003]
As the tea leaf cultivation management work machine, the present applicant has previously proposed a semi-self-propelled plucking machine according to Japanese Patent Application Laid-Open No. 7-79631.
This semi-self-propelled plucking machine is capable of reciprocating with each side of the teacup, and is provided with a plucking device that moves over the tea plantation in a traveling device that self-propells between the teacups. The hem side is supported so as to be movable up and down with respect to the traveling device, and an operator walking in one of the heads controls the traveling device and supports the hem side of the plucking device by an operator walking in the other space. Assuming a structure that moves in the direction, the engine and blower installed in the plucking device are mounted on the bottom side of the frame that curves and extends in the width direction of the teacup on the plucking device side, and the direction of travel is at the end of the frame Place the side plate formed so that the rear part faces the intercostal direction, bypass the air duct that communicates with the discharge port of the blower to the top side of the frame, and turn the tip back to turn the branches and tea leaves on the hem side Blow away in the direction, and Structure branches and tea leaves that have been pruning by which opens the discharge opening of the air duct towards the bending direction of the side plate has to flow from the skirt side furrow direction is disclosed.
[0004]
[Problems to be solved by the invention]
In the semi-self-propelled plucking machine shown in the above publication, the heavy-weight engine and the blower are mounted on the skirt side of the frame supported by the traveling device so that the top side of the frame is supported. The air duct is diverted to the top on the frame side, the tip is folded back, and the air blower at the tip of the duct blows off the branches and leaves that are pruned by the clipper blade to the hem side. As a result, the branches and leaves that have been pruned are sequentially blown toward the hem side, so that the movement to the intercostal space can be facilitated.
[0005]
However, in such a structure, there exists a malfunction that a structure becomes large and the burden reduction to an operator is not enough.
That is, the plucking device is configured by using a plurality of frames including a pair of support frames whose own machine frame is curved and extends in the width direction of the tea tree basket. In addition to such a frame structure, an air duct is also mounted on the plucking device. Therefore, using a plurality of frame structures not only complicates the structure of the plucking device, but also does not reduce the weight, and it is sufficient to reduce the burden on the operator who moves while supporting the plucking device. There is a possibility that it cannot be said. At the time of the mowing work, it is possible to work by one person instead of two persons as described in the above publication, and in this case, it is desirable to avoid the burden on the weight as much as possible.
[0006]
In view of the problems in the conventional semi-self-propelled plucking machine, the object of the present invention is to reduce the burden on the operator by reducing the weight without complicating the structure. Is to provide a semi-self-propelled plucking machine equipped with
[0007]
[Means for Solving the Problems]
In order to achieve this object, the invention described in claim 1 includes a traveling device that holds a tea tree cocoon and self-propels between one ridge and a plucking device that moves over the tea cocoon, and a skirt of the plucking device. In the semi-self-propelled plucking machine, the handle member provided on the top side of the plucking device is supported by the traveling device so that the side can be moved up and down and supported by an operator and moved in the row direction. The apparatus includes a frame extending in the width direction of the tea mushroom, a side plate disposed at the left and right ends of the frame, a clipper blade that is supported in a curved shape in a tea mushroom shape across the left and right side plates, and the clipper blade. An engine to be driven and a blower driven by the engine, wherein the engine and the blower are mounted on a hem side of the frame, and the hem side of the frame communicates with a discharge port of the blower, opposite to the hem side. Top located on the side In divert tip is folded back, at its front end is characterized in that it is constructed as a blower duct outlet balloon blowing away branches and leaves are pruning by clipper blade to the hem direction is formed.
[0008]
The invention according to claim 2 is characterized in that the frame is arranged above the clipper blade.
[0009]
In the inventions according to claims 1 and 2, since the frame provided in the plucking device is used as a blower duct having a blowout opening that blows off the branches and leaves pruned in the skirt direction of the teacup, There is no need to provide a duct. And since the flame | frame used as a ventilation duct is arrange | positioned above the clipper blade, the movement of a pruning branch leaf is not prevented with a clipper blade. As a result, it is possible to simplify the configuration and reduce the weight by eliminating the normally required air duct.
[0010]
【Example】
The details of the present invention will be described below with reference to the illustrated embodiments.
1 and 2 are a front view and a side view of a semi-self-propelled plucking machine according to an embodiment of the present invention, and in the members shown in these drawings, in addition to the configuration of the plucking device, particularly the configuration related to the traveling device is as follows: The configuration shown in Japanese Patent Application Laid-Open No. 7-79431, which is a prior application of the applicant of the present application, is mentioned.
1 and 2, reference numeral 1 is a traveling device that self-propels between one of the tea plantations planted in a row, reference numeral 2 is a support frame that is erected in the center in the front-rear direction of the traveling device 1, Reference numeral 3 denotes a plucking device supported by the support frame 2 so as to be movable up and down and to be adjustable in the right and left inclination angle.
[0011]
The traveling device 1 has a narrow width and a long shape in the vertical direction. A caster-like front wheel 11 is pivotally supported at the front portion, and an endless track zone 12 in which driving wheels 12a and 12a are connected by rubber crawlers 12b at the rear portion. Is provided. In addition, a traveling device engine 13 is mounted above the traveling device 1, and power from the engine 13 is input to a hydraulic continuously variable transmission (HST) 15 through a belt transmission system 14. The power shifted by the operation of the neutral lever 15a is transmitted to the drive wheel 12a provided in the endless track 12 through the belt transmission system 16 and the chain transmission system 17 to drive the rubber crawler 12b, and the traveling device 1 Is trying to self-run. Further, the traveling device 1 is provided with a stand 18 that supports the traveling device 1 so as to be housed.
[0012]
The support frame 2 is erected vertically with respect to the traveling device 1, and an elevating body 21 having a roller is attached to the support frame 2 by a vertical adjustment mechanism 22 disposed at an upper end portion of the support frame 2. On the other hand, a steering handle 23 for steering the traveling device 1 is supported on the support frame 2 via a handle support rod 24. The steering handle 23 is provided with a travel operation lever 23a for switching the hydraulic continuously variable transmission 15 to perform forward, reverse and shift operations, and a throttle lever 23b of the engine.
A support rod 21a protrudes rearward from the lifting body 21, and a plucking device 3 described in detail later is connected to the support rod 21a. A motor 21b is disposed above the support rod 21a, and a tilt adjustment switch 23c for controlling the rotation of the motor 21b is provided on the steering handle 23.
[0013]
On the other hand, the vertical adjustment mechanism 22 has a motor cylinder 22a provided therein, and a pulley 22b is fixed to the motor cylinder 22a. A wire 25 connected to the tip of the support rod 21a is connected to the tip of the fine adjustment arm 26 vertically supported on the handle support rod 24 via pulleys 22c, 22b and 22d. ing. The vertical fine adjustment arm 26 is supported together with the steering handle 23 so as to be turnable and fixed up and down by a knob 23e with respect to a handle support rod 24. Further, the steering handle 23 is provided with an up / down adjustment switch 23d for performing expansion / contraction control of the motor cylinder 22a.
[0014]
With the configuration of the vertical adjustment mechanism 22, the pulley 22 b moves up and down by extending and contracting the motor cylinder 22 a, and the elevating body 21 moves up and down on the support frame 2. Further, by moving the steering handle 23 up and down, the vertical fine adjustment arm 26 moves up and down slightly, and the lifting body 21 is finely adjusted in the vertical direction on the support frame 2.
[0015]
Here, the configuration of the plucking device 3 will be described with reference to FIG. 3 which is a front view of the plucking device 3 and FIG. 4 which is a top view of the plucking device 3.
As shown in FIGS. 3 and 4, the machine frame of the plucking device 3 has an upper portion formed by a frame 31 that bends and extends in the width direction of the tea tree cocoon, and the side portion on the hem side (traveling device 1 side) A hem side plate 32 disposed with a surface orthogonal to the frame 31, a hollow tube frame 32A disposed in parallel with the moving direction of the plucking device 3 at a lower portion of the hem side plate, and a skirt side And a top side plate 33 fixed to the lower part of the frame 31 on the opposite side (top side). In the case of the present embodiment, as shown in FIG. 2, the frame 31 is disposed on the rear upper portion of the clipper blade 34 described later with respect to the moving direction of the traveling device 1 (the direction indicated by the arrow in the drawing).
The lower part of the machine frame is supported by a bottom plate 34A that is curved and installed in a tea tree shape across the side plates 32 and 33 on the hem side and the top side, and a clipper that is slidable with respect to the bottom plate 34A. The blade 34 and a guide plate 35 fixed to the rear portion of the bottom plate 34A are configured.
As shown in FIG. 2, the hollow tube frame 32 </ b> A disposed on the skirt side plate 32 is inserted into and fixed to a support rod 21 a provided on the elevating body 21, so that the plucking device 3 travels. It is supported so as to be movable up and down with respect to the apparatus 1 side.
As shown in FIGS. 3 and 4, a part 35 </ b> A of the guide plate 35 is folded upward from the lower part of the machine frame and integrated with the frame 31 to cover the rear space of the clipper blade 34. It has become. As a result, the cuts such as branches and leaves cut by the clipper blade 34 are prevented from scattering on the tea leaves that have been trimmed, and the hem side plate 32 is moved along the flow of the discharge air described later. It is easy to move towards. The part 35A of the guide plate 35 is for preventing the scattered branches and leaves from being scattered, and as this configuration, not only the above-described integrated structure but also a separate body is attached to the guide plate 35. It is also possible to have a structure that integrates them.
[0016]
Further, on the top side of the frame 31, an auxiliary handle 37 can be slid left and right (length adjustment) and up and down angle can be adjusted via a mounting seat 37A with respect to the support member 36 fixed to the top side. It is attached. Further, the frame 31 is fixedly provided with an inclination adjusting shaft 38 orthogonal thereto.
[0017]
The plucking device 3 is provided with a driving mechanism for the clipper blade 34 and a branch and leaf moving mechanism for moving the pruned branches and leaves between the scissors.
That is, in FIG. 3, the branch and leaf movement mechanism is configured by a blower mechanism, and a blower 39 is fixed horizontally on the hem-side frame 31, and an engine 40 that drives the blower 39 and the clipper blade 34 includes the blower 39. It is disposed on the upper surface of the blower 39.
The driving force from the engine 40 is transmitted to the blower 39 via a centrifugal clutch denoted by reference numeral 40A in FIG. 3, and further, the output side shaft of the gear group 40B via a gear group 40B interlocked with the rotation shaft of the blower 39. 40C.
In FIG. 5, the output side shaft 40C of the gear group 40B (see FIG. 3) can transmit the driving force to the gear group 34B on the clipper blade side via the joint member 40D, and slides the clipper blade 34 back and forth. It is like that.
[0018]
As shown in FIG. 5, the hem side plate 32 described above is formed in a shape in which the upper part of the clipper blade case 34 </ b> C in the plucking device 3, specifically, the rear upper part of the clipper blade 34, is removed and opened. It is said that the branches and leaves that have been trimmed are dropped into the furrow.
FIG. 5 is a side view of the portion indicated by reference numeral (5) in FIG. 3, but the frame 31 is omitted.
[0019]
On the other hand, the frame 31 described above is formed of a hollow pipe, and an end portion located on the skirt side is communicated with the discharge port of the blower 39.
That is, the top end of the frame 31 in FIG. 3 communicates with an elbow 41 that is folded back so as to be inserted in the vicinity of the lower portion of the top side plate 33. As shown in FIG. Further, a blowout port 41 </ b> A capable of blowing off branches and leaves cut by the clipper blade 34 toward the skirt side plate 32 is formed.
As a result, the frame 31 constitutes a blower duct having a blowing port 41A of an elbow 41 that is communicated with the blower 39 on the skirt side and inserted into the top side plate 33 on the top side.
Although the elbow 41 is configured to be connected to the frame 31, it is also possible to obtain the same effect as when the elbow 41 is connected by configuring the same shape portion as the elbow on the frame 31 itself. In this case, an outlet is provided at the tip of the frame 31.
[0020]
Since the present embodiment is configured as described above, its operation will be described as follows.
First, the plucking device 3 is connected to the traveling device 1 as follows.
A support rod 21 a fixed to the lifting body 21 shown in FIG. 1 is inserted into a hollow tube frame 32 </ b> A constituting the machine frame of the plucking device 3. Further, a motor 21b disposed on the upper portion of the support rod 21a and an inclination adjusting shaft 38 fixed to a frame 31 forming a machine frame of the plucking device 3 are pivotally connected by a chain C.
[0021]
The plucking device 3 connected as described above moves up and down with respect to the traveling device 1 by the vertical movement of the support rod 21a, and further, the chain C is driven by operating the motor 21b. The inclination of the traveling device 1 is adjusted with the empty pipe frame 32A as a support shaft.
[0022]
Since the plucking device 3 uses the frame 31 itself as a blower duct, no special blower pipe is required. This simplifies the structure of the machine frame using the frame as compared with the conventional plucking device, and further reduces the weight by reducing the number of parts.
[0023]
On the other hand, the semi-self-propelled plucking machine is provided in the plucking device 3 that the traveling device 1 travels by maneuvering between one of the tea plantations planted in a row and is connected to the traveling device 1. The auxiliary handle 37 is supported by an operator located between the other cups of the tea cup and works while moving along with the movement of the traveling device 1. At this time, the plucking device 3 is adjusted to an appropriate working height by the vertical adjustment mechanism 22 and is adjusted to an appropriate working angle by the motor 21b. In this case, the operator is positioned on the traveling device 1 side and the intercostal side located on the top side of the plucking device 3, respectively, or necessary operations are performed, or the traveling device 1 is operated and only the intercostal side is operated. An operator can be positioned and perform necessary operations.
[0024]
The plucked material plucked by the clipper blade 34 is blown off from the blower 39 through the frame 31 toward the hem side plate 32 on the bottom plate 34 </ b> A by the blown air sent toward the blowout port 41 </ b> A of the elbow pipe 41.
When the traveling device 1 moves forward, the plucked material moves rearward due to the blowing direction of the air blow described above and the movement of the traveling device 1, and is blown away between the hem side plates 32 toward the defect portion 32 </ b> B. In addition, as a structure for moving the picked material between the ridges, a branch and leaf movement mechanism capable of moving the branches and leaves cut off toward the middle of the frame 31, preferably toward the ridges in the vicinity where the hem side plate 32 is located. It is also possible to provide. FIG. 7 shows an example of this case. In FIG. 7, a rotary blade 43 is attached to a joint member 40D provided on the output side shaft 40C of the gear group 40B, and is directed toward the hem side plate 32 by a pressing force due to the direction of the blade generated when the rotary blade 43 rotates. The plucked material that has moved is forcibly moved toward the hem side plate 32 and discharged toward the furrow. The rotary blade 43 is not limited to the joint member 40D, and can be attached to a rotating portion of the clipper blade case 34B.
By providing such a branch and leaf movement mechanism, even when the moving speed of the traveling device 1 is high, the picked material can surely move backward, and the picked material can be blown off from the deficient portion of the hem side plate 32 to the intercostal space. Such movement of the plucked material is particularly effective when, for example, trimming with a so-called relatively shallow pruning amount in which there is little pruning waste as a plucked material.
[0025]
According to the embodiment as described above, since the frame 31 has a structure that also serves as a blower duct, it is possible to increase the cross-sectional rigidity as compared with a normal frame by having a diameter that can secure the blown amount. The weight can be reduced as compared with the case where the number of the pins is increased to increase the support rigidity of the plucking device 3.
In the above-described embodiment, the plucking device 3 can be changed to either the left or right side of the traveling device 1, and in the case of changing, for example, cutting in the reverse direction is possible. What is necessary is just to change the structure of the relevant part of this apparatus 3 including the plucking apparatus 3 in the shape which can do it. As a result, the mowing operation is performed on one side of the adjacent teacups with the gap where the traveling device 1 is located, and the traveling device is moved in the opposite direction to the previous one to move the other side of the teacup. If you cut one side, you can do suggestion work.
In the above-described embodiment, the case where the frame 31 is curved along the width direction of the teacup has been described. However, in the present invention, since the frame 31 is along the width direction of the teacup, for example, In the case where the top surface of the tea tree has a horizontal shape, it is of course possible to extend the horizontal direction along the shape.
[0026]
【The invention's effect】
According to the inventions of claims 1 and 2, since the frame provided in the plucking device is used as a blower duct having a blowout opening that blows off the branches and leaves that have been pruned in the skirt direction of the teacup, There is no need to provide an air duct. And since the flame | frame used as a ventilation duct is arrange | positioned above the clipper blade, the movement of a pruning branch leaf is not prevented with a clipper blade. As a result, it is possible to simplify the configuration and reduce the weight by eliminating the normally required air duct. Therefore, it is possible to reduce the burden on the worker and improve workability.
[Brief description of the drawings]
FIG. 1 is a front view of a semi-self-propelled plucking machine according to an embodiment of the present invention.
FIG. 2 is a side view of the semi-self-propelled plucking machine shown in FIG.
FIG. 3 is a front view of a plucking device equipped in the semi-self-propelled plucking machine shown in FIG. 1;
4 is a top view of the plucking device shown in FIG.
FIG. 5 is a side view of a portion indicated by reference numeral (5) in FIG. 3;
6 is a partial arrow view in the direction indicated by reference numeral (6) in FIG. 3;
7 is a side view corresponding to FIG. 5 for explaining a partial modification of the configuration shown in FIG. 5;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Traveling device 13 Engine 14 Belt transmission system 15 Hydraulic continuously variable transmission 15a Neutral lever 16 Belt transmission system 17 Chain transmission system 18 Stand 2 Strut frame 21 Lifting body 21a Support rod 21b Motor 22 Vertical adjustment mechanism 23 Steering handle 23a Traveling operation Lever 23b Throttle lever 23c Tilt adjustment switch 23d Vertical adjustment switch 23e Knob 24 Handle support rod 25 Wire 26 Vertical adjustment arm 3 Plucking device 31 Frame 31a Frame 31b Frame 31c Hollow tube frame 32 Bottom side plate 33 Top side plate 34 Hair clipper blade 34a Bottom plate 35 Guide plate 37 Auxiliary handle 37A Mounting seat 38 Tilt adjusting shaft 40 Engine 41 Elbow pipe 41A Outlet

Claims (2)

A traveling device that crawls the tea plantation and self-propells between one of the cages, and a plucking device that moves on top of the tea plantation, and supports the skirt side of the plucking device so that the traveling device can move up and down, In the semi-propelled plucking machine that the operator supports the handle member provided on the top side of the plucking device and moves it in the row direction,
The plucking device includes a frame extending in the width direction of the tea tree urn, side plates disposed at left and right ends of the frame, a clipper blade that is supported in a curved shape in a tea tree ridge across the left and right side plates, and the clippers An engine for driving the blade, and a blower driven by the engine,
The engine and blower are mounted on the hem side of the frame,
The frame has a hem side communicated with the discharge port of the blower, bypassed on the top side located on the opposite side of the hem side, folded at the tip, and a branch or leaf cut by a clipper blade at the tip. A semi-self-propelled plucking machine, characterized in that it is configured as a blower duct formed with a blowout port that blows off in the hem direction. The semi-self-propelled plucking machine according to claim 1, wherein the frame is disposed above the clipper blade.

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