JP2021112147A - Picking machine - Google Patents

Abstract

To improve workability to the inside of a storage unit.SOLUTION: A picking machine 1 includes a storage unit 50 for storing a picking material while making a machine body 10 straddling a tea ridge travel, and releases the picking material from a bottom of the storage unit 50 to a release point. In a rear surface 51b of the storage unit 50, a door 53 for opening or closing the rear surface 51b is provided, and is configured to facilitate the internal cleaning work and maintenance work of the storage unit 50, and the installation work of a reaping/casting device 100 by making the door 53 open.SELECTED DRAWING: Figure 2

Description

The present invention relates to a plucking machine for picking plucked materials such as tea leaves.

The following Patent Document 1 includes a plucking section provided with a cutting blade for cutting plucked material such as tea leaves to be plucked, a transfer section for transferring the plucked material cut by the plucking section to a predetermined position, and a transfer section for transferring the plucked material to a predetermined position. A tea-cutting device, which is a plucking machine having a storage portion for accommodating a plucked material, is disclosed. This tea cutting device has a structure in which when the plucked material is discharged from the storage portion, the bottom of the storage portion is opened and the plucked material is discharged to a discharge destination such as a truck bed.

Japanese Unexamined Patent Publication No. 2008-35704

By the way, in the device disclosed in Patent Document 1, when performing pruning work for adjusting the disorder of the canopy surface of tea ridges during the sprouting stage of tea leaves, a pruning device for dropping the cut tea leaves between the ridges is attached to the accommodating portion. There is a need.

However, in the device of Patent Document 1, since the open surface is only the bottom of the accommodating unit, the operator must attach the cutting device inward from the bottom of the accommodating portion, and the attachment workability is poor.

Further, in the apparatus of Patent Document 1, since only the bottom of the accommodating portion is opened, when cleaning the inside of the accommodating portion, it is possible to clean only from the bottom, and it is difficult to remove deposits such as debris and dust from branches and leaves. In addition to poor performance, maintenance of the inside of the housing can only be done from the bottom, and maintenance is also poor.

As described above, the device of Patent Document 1 has poor work efficiency because it approaches the inside of the accommodating portion from the bottom, and there is room for improvement in the workability of the inside of the accommodating portion.

One embodiment of the present invention has been made in view of the above circumstances, and specifically, it is an object of the present invention to provide a plucking machine capable of improving workability inside the accommodating portion.

The plucking machine according to an embodiment of the present invention includes a storage unit for accommodating the plucked material while traveling the machine body straddling the ridges, and discharges the plucked material from the bottom of the accommodating portion to the discharge destination. A door portion for opening or closing the rear surface is provided on the rear surface of the accommodating portion.

Preferably, in the plucking machine, the accommodating portion may have a storage posture in which the size of the accommodating portion in the front-rear direction becomes smaller than the accommodating posture for accommodating the plucked material.

Preferably, in the plucking machine, the side surface, the top surface and the bottom surface of the accommodating portion may be configured to be in the accommodating posture by rotating inward of the accommodating portion.

Preferably, in the plucking machine, the door portion is composed of a pair of door members having a base end portion as a rotation center and a tip portion serving as a mating portion, and the mating portion closes the door portion. A lock mechanism for maintaining the state may be provided.

According to one embodiment of the present invention, workability with respect to the inside of the accommodating portion can be improved.

It is a schematic side view of the whole of the plucking machine which concerns on one Embodiment of this invention, which shows the state in which the accommodating part is stored. It is a schematic side view of the whole of the plucking machine which concerns on one Embodiment of this invention which shows the state which expanded the accommodating part. It is a schematic perspective view which shows the state which opened the door part of the accommodating part in the plucking machine which concerns on one Embodiment of this invention. It is a schematic perspective view which shows the state which the door part of the accommodating part is closed in the plucking machine which concerns on one Embodiment of this invention. It is a schematic side view which shows the state of the accommodating part at the time of releasing the plucked material in the plucking machine which concerns on one Embodiment of this invention. (A) is a schematic perspective view showing a state in which a cutting device is attached to an accommodating portion in which a door portion is opened in a plucking machine according to an embodiment of the present invention, and (b) is a schematic perspective view showing a state in which a cutting device is attached. It is a schematic perspective view which shows the state which attached the cutting device to the accommodating part, and closed the door part in the plucking machine which concerns on. (A) to (h) are schematic perspective views which sequentially show the state which expands the accommodating part of the plucking machine which concerns on one Embodiment of this invention.

Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the drawings.
The embodiments shown here are examples for embodying the technical idea of the present invention, and do not limit the present invention. In addition, all other feasible forms, examples, operational techniques, etc. that can be considered by those skilled in the art without departing from the gist of the present invention are included in the scope and gist of the present invention, and are described in the claims. It is included in the invention and its equivalent range.

Further, the drawings attached to the present specification may be represented schematically by changing the scale, aspect ratio, shape, etc. from the actual ones for convenience of illustration and comprehension. However, it does not limit the interpretation of the present invention.

In this specification, for convenience of explanation, the "front-back direction" is the direction along the traveling direction of the plucking machine 1, and the "left-right direction" is along the width direction of the plucking machine 1 (the direction orthogonal to the traveling direction). As the direction, the "vertical direction" is defined as the direction along the height direction of the plucking machine 1 (that is, the direction orthogonal to the front-rear direction and the left-right direction). Therefore, for example, in FIG. 1, the "front side (front)" is the right side in the figure, the "rear side (rear)" is the left side in the figure, and the "left side (left side)" is the depth side in the figure. Yes, "right side (right side)" is the front side in the figure, "upper side (upper side)" is the upper side in the figure, and "lower side (lower side)" is the lower side in the figure.

The plucking machine 1 according to the present embodiment picks tea leaves as a plucked material from a ridge-shaped tea tree (tea ridge) while being operated and run by a boarding worker.

The plucking machine 1 according to the present embodiment is configured to operate and pluck by itself with the operator on board, but the present invention is not limited to this, and the plucking machine 1 is operated from a position away from the plucking machine 1. It may be configured to perform plucking by remote control, or to autonomously perform plucking operation, running operation, etc. by automatic driving technology using various sensors such as GNSS (Global Navigation Satellite System) and distance measuring sensor. Further, in the plucking machine 1 according to the present embodiment, the tea leaves will be plucked from the tea ridges as the plucked material, but the plucked material is not limited to the tea leaves.

[Equipment configuration]
The configuration of the plucking machine 1 according to the present embodiment will be described with reference to FIGS. 1 to 6 as appropriate.
FIG. 1 shows a state in which the accommodating portion 50 of the plucking machine 1 according to the present embodiment is stored, FIG. 2 shows a state in which the accommodating portion 50 is expanded, and FIG. 3 shows an expanded accommodating portion 50. The state in which the door portion 53 to be described later is opened is shown in FIG. 4, the state in which the door portion 53 of the expanded accommodating portion 50 is closed is shown in FIG. The state of the accommodating portion 50 when the tea leaves are discharged to the discharge destination is shown, and FIG. 6 shows the state in which the cutting device 100 is accommodating the door portion 53 in the accommodating portion 50.

As shown in FIG. 1 or 2, the plucking machine 1 according to the present embodiment includes the machine body 10 and a traveling unit 20 for running the machine body 10 along the extending direction of the tea ridges while straddling the tea ridges. , A plucking unit 30 for plucking tea leaves from tea ridges, a transfer unit 40 for transferring the plucked tea leaves toward the storage unit 50, and a foldable storage unit for accommodating the tea leaves transferred by the transfer unit 40. 50, an elevating unit 60 that supports the plucking unit 30, a transfer unit 40, and the accommodating unit 50 so as to be able to elevate, and a swinging unit 70 that swings the accommodating unit 50 when releasing the plucked material contained in the accommodating unit 50. And have.

Further, the plucking machine 1 according to the present embodiment includes a control unit (not shown) that comprehensively controls the drive processing of each unit. For example, when a predetermined instruction is input from the operation input unit 13 described later, the control unit outputs a control command to the drive source of each unit constituting the plucking machine 1 according to this instruction. The control unit performs a predetermined processing operation for each unit constituting the plucking machine 1 (for example, a tea leaf plucking operation by the plucking unit 30, a tea leaf transfer operation by the transfer unit 40, a plucking unit 30 by the elevating unit 60, and a transfer unit 40. And the raising and lowering operation of the accommodating portion 50, the swinging operation of the accommodating portion 50 by the swinging portion 70, etc.) are executed.

<Aircraft>
As shown in FIG. 1 or 2, the airframe 10 has a substantially gate shape that straddles the tea ridges when viewed from the traveling direction side. The upper part of the machine body 10 is provided with a floor portion 11 formed in a substantially horizontal plane on the front side. A seat 12 on which an operator sits is provided on the floor portion 11, and an operation input portion 13 is provided in front of the seat 12. The operation input unit 13 is operated when the operator inputs an operation related to the operation of the plucking machine 1. Further, the machine body 10 is provided with a power source (for example, an engine, a motor) (for example, an engine, a motor) of a traveling unit 20, a plucking unit 30, and a transfer unit 40 (not shown).

A pair of legs 14 extending downward are provided on both sides of the machine body 10 in the width direction. A traveling portion 20 is provided at the lower end portion of the leg portion 14. The pair of legs 14 are a front member 14a extending downward from the front side on both sides in the width direction of the machine body 10, a rear member 14b extending downward from the rear side, and a lower end side of the front member 14a and a lower end side of the rear member 14b. It has a connecting member 14c for connecting to and from.

Each of the legs 14 is supported so as to be movable in the width direction with respect to the body 10. The legs 14 are interlocked with each other by, for example, a rack fixed to each leg 14 side and a leg interlocking mechanism including a pinion rotatably supported on the body 10 side. Since the distance between the legs 14 can be adjusted by driving the pinion of the leg interlocking mechanism with a hydraulic motor, for example, the width (body width) that the machine body 10 straddles according to the length in the width direction of the brown ridges. Can be adjusted.

<Running part>
As shown in FIG. 1 or 2, the traveling portion 20 is provided at the lower end portion of each of the leg portions 14. The traveling portion 20 includes a drive wheel 21 provided in the vicinity of the rear member 14b of each leg portion 14, a driven wheel 22 provided in the vicinity of the front member 14a of the leg portion 14, and a drive wheel 21 and a driven wheel 22. It has a rubber or metal crawler 23 wrapped around it. In the traveling unit 20, the driving wheels 21 are rotationally driven to rotate the crawler 23 wound around the driving wheels 21 and the driven wheels 22. Since the traveling unit 20 only needs to be able to advance the plucking machine 1 in a predetermined direction, its form is not limited to the endless track, and other traveling mechanisms such as wheels may be used.

<Plucking department>
As shown in FIG. 1 or 2, the plucking section 30 is attached to the rear side of the machine body 10 and plucks tea leaves from the tea ridges as a plucked material. The plucking height (height from the ground surface to the plucking position) of the plucking portion 30 is adjusted according to the height of the plucked surface of the tea ridge by the elevating operation by the elevating portion 60. As an example, the plucking unit 30 includes a pair of upper and lower cutting blades extending in the width direction between the leg portions 14 and a driving unit for reciprocating the other cutting blade in the width direction with respect to one cutting blade in the vertical direction. It has a hydraulic motor). The pair of cutting blades are comb-shaped blades extending in the width direction, respectively, and the tea leaves are sandwiched by reciprocating the other cutting blade with respect to one cutting blade. The pair of cutting blades are formed in a substantially arc shape so that the central portion is located above both ends in the longitudinal direction in order to trim the surface to be pruned, which is the upper surface of the tea ridge, in a substantially arc shape. ..

In the plucking section 30, the length of the cutting blade in the width direction may be adjustable according to the length of the plucked surface in the tea ridge in the width direction. As an example of a cutting blade having such a configuration, an extendable cutting blade that can be expanded and contracted in the width direction may be used. Further, as the plucking form by the plucking unit 30, in addition to the form using the cutting blade described above, another form may be adopted depending on the type of the plucked object and the cultivation form of the plucked object.

<Transfer section>
As shown in FIG. 1 or 2, the transfer unit 40 is provided so as to be connected to the plucking unit 30 and extend upward, and the tea leaves cut by the plucking unit 30 are collected and transferred to the accommodating unit 50. The transfer unit 40 includes a transfer duct 41 for guiding the tea leaves moved backward by a rotating brush (not shown) provided near the rear side of the cutting blade along the width direction upward and backward, and a transfer duct 41. A blower 42 as a blower means for generating an air flow to be circulated inside, and an air flow generated by the blower 42 connected to the blower 42 via, for example, a bellows-shaped flexible duct 42a, are introduced into the transport duct 41. It has an air introduction duct 43 for the purpose. In the transfer unit 40, the opening on one end side of the transfer duct 41 is arranged directly above the plucking unit 30, and the opening on the other end side communicates with the front surface 51a of the accommodating unit 50.

The transfer unit 40 sends the air generated by the blower 42 to the transfer duct 41 via the air introduction duct 43, transfers the tea leaves moved backward by the rotary brush along the transfer duct 41, and discharges the tea leaves to the accommodating unit 50. Let me. Further, the discharge port of the transfer unit 40 is provided so as to communicate with the front surface 51a of the accommodating unit 50. As a result, the tea leaves transferred by the transfer unit 40 can be loaded in order from the bottom of the storage unit 50.

<Accommodation>
As shown in any of FIGS. 1 to 4, the accommodating portion 50 is provided behind the plucking portion 30 in the machine body 10 and accommodates the tea leaves transferred from the transfer unit 40. The accommodating portion 50 includes a main body 51 having a substantially rectangular parallelepiped outer shape composed of a front surface 51a, a rear surface 51b, a side surface 51c, a top surface 51d, and a bottom surface 51e, and ventilation windows 52 arranged on the side surfaces 51c (left and right surfaces) of the main body 51. And a door portion 53 attached to the rear surface 51b of the main body 51.

Further, the accommodating portion 50 moves between the “accommodation position” for accommodating the tea leaves and the “discharging position” for discharging the tea leaves by the rocking operation of the rocking mechanism 72. Here, the "accommodation position" is a position when the folded accommodating portion 50 is unfolded in a substantially box shape, and the "release position" moves from the accommodating position to the rear and upper part of the aircraft 10 as shown in FIG. This is the position where the bottom is open.

The frame portion of the main body 51 is made of a metal material, a resin material, or the like, and it is preferable to appropriately select and manufacture a material that can withstand the weight of the contained tea leaves and can reduce the weight of the plucking machine 1. Further, the width dimensions of the side surface 51c and the door portion 53 of the accommodating portion 50 are, for example, folded in the posture of the door opening position without folding the door member while the surfaces of the side surface 51c and the door member of the door portion 53 are continuous. It is set to be possible.

A link mechanism 54 for rotating the top surface 51d in the vertical direction is provided at the side end of the top surface 51d when the accommodating portion 50 is deployed and retracted. One end of the link mechanism 54 is attached near the upper portion of the support portion 71 of the swing portion 70.

At the rear end of the side surface 51c, an engaging portion 55 with which the tip of the swing mechanism 72 is engaged is provided. The main body 51 swings backward (or forward and downward) by driving the swing mechanism 72 that engages with the engaging portion 55.

Further, as shown in FIG. 3 or 4, a first hinge 51h for folding the side surface 51c inward of the main body 51 is provided in the vicinity of the front end portion of the side surface 51c. The side surface 51c is folded inward of the accommodating portion 50 with the first hinge 51h as a fulcrum.

The bottom surface 51e includes a first bottom surface 51f and a second bottom surface 51g that can move the upper surface of the first bottom surface 51f, and is attached so as to be rotatable and foldable with respect to the support portion 71 of the swinging portion 70. In the bottom surface 51e, the first bottom surface 51f can be separated from the lower ends of the front surface 51a, the rear surface 51b, and the side surface 51c of the main body 51 in order to release the contained tea leaves. When the tea leaves contained in the main body 51 are discharged to the discharge destination, the main body 51 is separated from the first bottom surface 51f by swinging the main body 51 by the swinging portion 70, and the bottom of the main body 51 is opened. Release tea leaves.

Both end portions of the first bottom surface 51f are rotatably supported via the link mechanism 56, and when the accommodating portion 50 is deployed, the posture changes from a substantially vertical state to a substantially horizontal state, and a part of the bottom surface 51e is covered. Configure. Further, on the left and right sides of the first bottom surface 51f, opening / closing doors are provided for projecting the discharge port of the accommodating portion 50 to the outside of the accommodating portion 50 when the cutting device 100 is installed in the accommodating portion 50. .. As a result, when the mowing device 100 is attached, the outlet of the mowing device 100 is located outside the accommodating portion 50 in a state where the mowing device 100 is accommodated in the accommodating portion 50. It can be discharged to the outside.

The second bottom surface 51g is rotatably attached to the front surface 51a from a substantially horizontal state to a substantially vertical state with the front end as a rotation fulcrum. The second bottom surface 51g is arranged adjacent to the second bottom surface 51g with its rear end resting on the upper surface of the first bottom surface 51f. When the accommodating portion 50 is deployed, the posture of the second bottom surface 51g changes from a substantially vertical state to a substantially horizontal state, and forms a part of the bottom surface 51e together with the first bottom surface 51f. Further, when the accommodating portion 50 is swung, the second bottom surface 51g moves the upper surface of the first bottom surface 51f in the front direction or the rear direction according to the swinging direction of the accommodating portion 50.

When the accommodating portion 50 moves rearward and upward, the front end portion of the second bottom surface 51g is pulled backward as the accommodating portion 50 moves and rises up with the rear end portion as a fulcrum, and the upper surface (inside of the accommodating portion 50). It tilts with the side-facing surface facing backward and upward. Next, when the accommodating portion 50 further moves, the second bottom surface 51g moves rearwardly on the upper surface of the first bottom surface 51f while the upper surface is directed rearward and upward of the machine body 10, and the rear end portion of the first bottom surface 51f. Move to the vicinity.
Further, when the accommodating portion 50 is moved forward and downward, the second bottom surface 51g gradually changes its posture from the rear end side to the front end side while changing its posture to a substantially horizontal state. When the movement of the accommodating portion 50 is completed, the posture becomes substantially horizontal, and the bottom surface 51e of the main body 51 is formed together with the first bottom surface 51f.

In this way, the second bottom surface 51g not only functions as the bottom surface 51e, but also moves on the upper surface of the first bottom surface 51f in accordance with the movement of the accommodating portion 50 rearward and upward, so that the first bottom surface 51f is released when the plucked material is released. It also functions as a "pushing unit" that pushes and transfers the tea leaves released to the destination. As a result, the tea leaves housed on the first bottom surface 51f can be transferred to the discharge destination.

Further, as shown in FIG. 5, since the second bottom surface 51g is maintained in an inclined state after moving to the rear end portion of the first bottom surface 51f, the tea leaves discharged from the accommodating portion 50 are guided to the discharge destination. It also functions as a "guidance unit". As a result, the tea leaves released from the accommodating portion 50 are guided to the discharge destination by the upper surface of the second bottom surface 51 g without scattering to the outside of the discharge destination.

As described above, the accommodating portion 50 of the plucking machine 1 according to the present embodiment is set to the "accommodating posture" (that is, the accommodating posture) in which the plucked material can be accommodated by folding the side surface 51c, the top surface 51d and the bottom surface 51e. A "retracted posture" in which each surface of the folded storage portion 50 is unfolded and stored so that the size is reduced at least in the front-rear direction by folding from the unfolded posture in which the plucked material can be stored inside. It becomes possible to transform it into. Therefore, the size of the plucking machine 1 is reduced so that it can be loaded on the loading platform of a relatively small truck (for example, 1.5t class).

The ventilation window 52 is provided at a predetermined position on the main body 51. The ventilation window 52 is formed with a plurality of ventilation holes having a size capable of ventilating the inside of the accommodation portion 50 and accommodating the tea leaves in the accommodation portion 50 without leaking to the outside. The ventilation window 52 may be manufactured by appropriately using a metal material, a resin material, or the like in consideration of strength, weight reduction, and the like. In the plucking machine 1 according to the present embodiment, the ventilation window 52 is provided on each of the front surface 51a, the side surface 51c, the top surface 51d, and the door member of the door portion 53 of the main body 51.

The door portion 53 is composed of a pair of left and right door members, and is attached so as to be openable and closable via a second hinge 53a that connects the rear end portion of the side surface 51c and the base end portion of the door portion 53. The door portion 53 can rotate from the inside of the accommodating portion 50 to a position substantially parallel to the front-rear direction with the second hinge 53a as the rotation center in a state where the side surface 51c of the accommodating portion 50 is deployed. .. That is, the door portion 53 is set so that the opening / closing angle of the door member with respect to the side surface 51c is approximately 90 °.

Therefore, by opening the door portion 53, the rear surface 51b of the accommodating portion 50 is completely opened, and the cleanability and maintainability of the inside of the accommodating portion 50 and the installation workability of the cutting device 100 are improved. be able to. Further, by forming a pair of left and right door portions 53 and opening the door portions 53 on both sides (double doors), the rear surface 51b can be easily fully opened as compared with a single door, and one door member can be opened. The opening / closing area can be reduced.

Further, as shown in FIG. 4, when the door portion 53 is closed, the area where the tip ends of the two door members face each other and overlap each other is the combined portion 53c, and the combined portion 53c has a door. A lock mechanism 53b is provided that locks the portion 53 to maintain the closed door state (closed state of the rear surface 51b). In FIG. 4, the locking mechanism 53b is provided at three locations of the mating portion 53c, that is, near the upper end position, near the center position, and near the lower end position. The lock mechanism 53b may be, for example, a mechanism that maintains the closed state of the door portion 53, and as an example, a latch, a round drop, a punch, a magnet catch, and the like can be used.

FIG. 6A shows a state in which the cutting device 100 is mounted in the accommodating portion 50 with the door portion 53 opened, and FIG. 6B shows a state in which the accommodating portion 50 is mowed. A state in which the device 100 is housed and the door portion 53 is closed is shown. As shown in FIGS. 6A and 6B, the cutting device 100 is composed of an upper member 100a and a pair of lower members 100b attached to the left and right sides of the upper member 100a in the drawing. Therefore, in the plucking machine 1 according to the present embodiment, by opening the door portion 53, the rear surface 51b of the accommodating portion 50 is fully opened, and the cutting work 100 (particularly, the upper member 100a) can be easily attached. It can be carried out.

<Elevating part>
As shown in FIG. 1, FIG. 2 or FIG. 5, the elevating part 60 is attached to a support part 61 arranged between the transfer part 40 and the accommodating part 50 and can be raised and lowered along the support part 61, and is plucked. A lifting mechanism 62 for raising and lowering the unit 30, the transfer unit 40, and the accommodating unit 50 is provided.

The support portion 61 is a pair of columns (supports) attached to the rear of the machine body 10, and the elevating mechanism 62 is attached so as to be movable in the vertical direction.

The elevating mechanism 62 includes an upper elevating mechanism and a lower elevating mechanism, and is attached to each of the support portions 61. An accommodating portion 50 and a swinging portion 70 are attached to the upper elevating mechanism, and a plucking portion 30 is attached to the lower elevating mechanism. The elevating mechanism 62 is driven, for example, when adjusting the plucking position of the plucking portion 30, and adjusts the plucking position of the plucking portion 30 according to the height of the plucked surface of the tea ridge by the elevating operation. Along with this ascending / descending operation, in addition to the plucking portion 30, the transfer portion 40, the accommodating portion 50, and the swinging portion 70 are also moved up and down. The elevating operation of the elevating mechanism 62 may be a multi-stage type, a stepless type, or any other method capable of adjusting the height of the plucking portion 30.

<Swinging part>
As shown in any of FIGS. 1 to 6, the swinging portion 70 is attached to the elevating portion 60 and supports the accommodating portion 50 so as to be swingable. The swinging portion 70 includes a supporting portion 71 attached to the elevating portion 60 and a swinging mechanism 72 for swinging the accommodating portion 50.

The support portion 71 is composed of a frame or the like, and is attached to the elevating mechanism 62 of the elevating portion 60. The upper front end of the front surface 51a of the accommodating portion is rotatably attached to the upper end of the support portion 71 so as to be the center of rotation during movement accompanying the swinging motion.

The swing mechanism 72 is a mechanism for swinging the accommodating portion 50 rearwardly upward or forwardly downward, and a cylinder mechanism such as a hydraulic cylinder is adopted. The swing mechanism 72 is attached with its base end portion attached to the side end portion of the support portion 71, and the tip end portion engaged with the engaging portion 55 provided at the rear end portion of the side surface 51c.

The rocking mechanism 72 is driven when the tea leaves housed in the housing part 50 are discharged, and moves the housing part 50 rearward and upward around the upper front end of the housing part 50. As a result, the accommodating portion 50 moves from the accommodating position to the release position. Further, when the release of the tea leaves contained in the accommodating portion 50 is completed, the rocking mechanism 72 moves the accommodating portion 50 forward and downward around the upper front end. As a result, the accommodating portion 50 moves from the discharge position to the accommodating position.

[motion]
Next, the operation of the accommodating portion 50 at the time of deployment will be described with reference to FIG. 7.
In the present embodiment, the accommodating portion 50 is a form deployed by an operator. The deployment order of the accommodating portions 50 shown in FIG. 7 is an example, and can be appropriately replaced depending on the accommodating form (folding order, etc.) of the accommodating portions 50.

When the operator unfolds the housing portion 50 in the folded state as shown in FIG. 7 (a), the operator first rotates the first bottom surface 51f to make the posture substantially horizontal, as shown in FIG. 7 (b). As shown in FIG. 7C, the top surface 51d is rotated to bring the posture into a substantially horizontal state.

Subsequently, as shown in FIG. 7 (d), the operator rotates the door portion 53 on the left side in the drawing together with the side surface 51c, and deploys the door portion 53 so as to project to the rear of the plucking machine 1. As shown in e), the door portion 53 on the right side in the drawing is rotated together with the side surface 51c to be deployed in a state of projecting to the rear of the plucking machine 1, and as shown in FIG. 7 (f), the second bottom surface. The 51g is rotated so that the rear end portion is placed on the first bottom surface 51f. By the operation up to this point, the accommodating portion 50 is deployed in a substantially box shape with the door portion 53 in the fully open position.

Then, as shown in FIG. 7 (g), the operator closes the door portion 53 on the right side in the drawing and closes the door portion 53 on the left side in the drawing as shown in FIG. 7 (h) to lock the lock mechanism. Lock 53b. As a result, the operation of the accommodating portion 50 is completed, and the tea leaves can be accommodated in the state of being deployed at the accommodating position.

Further, in the plucking machine 1 according to the present embodiment, when the inside of the accommodating portion 50 is cleaned and maintained, or when the cutting device 100 is attached, the door portion 53 is in the state shown in FIG. 7 (h). By opening the door portion 53 and opening the rear surface 51b of the accommodating portion 50 so as to be in the state shown in FIG. 7 (f), various operations can be easily performed.

In the plucking machine 1 of the present embodiment, the door portions 53 are provided in pairs on the left and right sides with respect to the accommodating portions 50, but the present invention is not limited to this, and the door members are vertically paired as a pair of upper and lower door members. The entire surface of the rear surface 51b may be closed / opened, such as a rotatable configuration or a single door structure in which the entire surface of the rear surface 51b can be closed / opened. Further, the opening / closing angle of the door portion 53 with respect to the side surface 51c is not limited to approximately 90 °, and may be more rotatable. Further, the door portion 53 is configured to be manually opened and closed by an operator, and the second hinge 53a is provided with a drive source such as a motor, and the control unit provides information necessary for opening and closing the door portion 53 (as an example, operation input). It may be configured to automatically open and close by using the input of the unit 13 or another operating device (not shown) as a trigger.

[Action effect]
As described above, the plucking machine 1 according to the present embodiment includes a storage unit 50 for accommodating the plucked material while traveling the machine body 10 straddling the tea ridges, and discharges the plucked material from the bottom of the storage unit 50. In the plucking machine 1 to be released first, the rear surface 51b of the accommodating portion 50 is provided with a door portion 53 that opens or closes the rear surface 51b.

With the above configuration, the rear surface 51b of the accommodating portion 50 can be opened by opening the door portion 53 that functions as the rear surface 51b of the accommodating portion 50, so that the inside of the accommodating portion 50 is easy to clean and maintain. In addition to the improvement, the workability of attaching the cutting device 100 to the accommodating portion 50 can be improved.

Further, in the plucking machine 1 according to the present embodiment, the accommodating portion 50 is in a retracting posture in which the size of the accommodating portion 50 in the front-rear direction becomes smaller than the accommodating posture for accommodating the plucked material. Further, in the plucking machine 1 according to the present embodiment, the side surface 51c, the top surface 51d, and the bottom surface 51e of the accommodating portion 50 are rotated inward of the accommodating portion 50 to be in a retracted posture.

With the above configuration, the size of the plucking machine 1 is reduced by folding and storing the housing unit 50 to reduce the size of the housing unit 50 in the front-rear direction, and the plucking machine 1 can be used on a relatively small truck or the like. Can be loaded. In particular, if the side surface 51c, the top surface 51d, and the bottom surface 51e of the accommodating portion 50 are configured to be rotatable inward of the accommodating portion 50, the size of the stored accommodating portion 50 in the left-right direction remains unchanged in the front-rear direction. The size can be reduced.

Further, in the plucking machine 1 according to the present embodiment, the door portion 53 is composed of a pair of door members having the base end portion as the center of rotation and the tip portion serving as the mating portion 53c, and the mating portion 53c has a door. A lock mechanism 53b for maintaining the door portion 53 in the closed state is provided.

With the above configuration, the door portion 53 arranged on the rear surface 51b is double-opened (double door opening), so that the door portion 53 can be easily opened and closed, the space required for opening and closing the door member can be reduced, and the lock can be locked. The mechanism 53b allows the door portion 53 to function as the rear surface 51b of the accommodating portion 50 with the door portion 53 closed.

[Other Embodiments]
In the above-described embodiment, the accommodating portion 50 has been described as a structure in which the side surface 51c, the top surface 51d, and the bottom surface 51e are each folded inward of the accommodating portion 50, but the present invention is not limited to this. The accommodating portion 50 may have a configuration that can be deformed from the accommodating posture to the retracting posture. As an example, a hinge is provided so that the side surface 51c can be folded in the width direction, and the side surface 51c is inside the accommodating portion 50 with the hinge as a fulcrum. It may be configured to be foldable. In this case, the door portion 53 can store the accommodating portion 50 by folding the side surface 51c while keeping the door closed position and rotating the top surface 51d and the bottom surface 51e so as to fold.

Further, in the above-described embodiment, the case where the entire rear surface 51b of the accommodating portion 50 is opened has been described, but the present invention is not limited to this. A part of the rear surface of the accommodating portion 50 is provided as long as it can improve the cleanability and maintainability of the inside of the accommodating portion 50 and also improve the workability of attaching the cutting device 100 to the accommodating portion 50. It may be opened.

1 Plucking machine 10 Machine body 11 Floor part 12 Seat 13 Operation input part 14 Pair of legs (14a front member, 14b rear member, 14c connecting member)
20 Traveling part 21 Driving wheel 22 Driven wheel 23 Crawler 30 Plucking part 40 Transfer part 41 Transfer duct 42 Blower (42a flexible duct)
43 Air introduction duct 50 Accommodating part 51 Main body (51a front, 51b rear, 51c side, 51d top 51d, 51e bottom, 51f first bottom, 51g second bottom, 51h first hinge)
52 Ventilation window 53 Door part (53a second hinge, 53b lock mechanism, 53c combination part)
54 Top surface link mechanism 55 Engagement part 56 First bottom surface link mechanism 60 Elevating part 61 Support part 62 Elevating mechanism 70 Swing part 71 Support part 72 Swing mechanism 100 Mowing device (100a upper member, 100b lower member) )

Claims (4)

In a plucking machine provided with an accommodating portion for accommodating a plucked material while running an aircraft straddling a ridge and discharging the plucked material from the bottom of the accommodating portion to a discharge destination.
A door portion for opening or closing the rear surface is provided on the rear surface of the accommodating portion.
Plucking machine. The accommodating part
From the storage posture for accommodating the plucked material, the storage posture is changed so that the size of the storage portion in the front-rear direction becomes smaller.
The plucking machine according to claim 1. The side surface, top surface, and bottom surface of the accommodating portion rotate inward of the accommodating portion to take the retracted posture.
The plucking machine according to claim 2. The door portion is composed of a pair of door members having a base end portion as a rotation center and a tip portion serving as a mating portion.
The mating portion is provided with a lock mechanism for maintaining the door portion in a closed state.
The plucking machine according to any one of claims 1 to 3.

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