JP2003038018A - Tea ridge straddle-type tea leaf plucker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a new tea ridge straddle-type tea leaf plucker capable of simplifying disposal of plucked tea-leaves and reasonably disposing thereby, wherein the plucker is a sulky plucker of a rotary-net bag receiving type and has conventionally considered requiring manual disposing work. SOLUTION: This tea ridge straddle-type tea leaf plucker is obtained by satisfying following items; a receiver 4 is a receiving-basket type one capable of being applied multiple net bags 6, wherein a plucker body 3, a intermediate transporter 5 and the receiver 4 are vertically movable as a unit when vertically adjusting the plucker body 3 to a suitable height according to the height of a tea ridge H, the receiver 4 is characterized by being composed to be independently movable, so the net bags 6 set at the receiver 4 can be set above a load-carrying platform of a track T, thereby, tea leaves A can be directly loaded on the load-carrying platform and, as a result, labor of the worker can be much saved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tea leaf plucking machine in which a pruning machine body is mounted on a traveling machine body that travels over tea ridges, and in particular, tea that can simplify the handling of tea leaves after plucking. The present invention relates to a ridge-crossing type tea leaf plucking machine.

[0002]

BACKGROUND OF THE INVENTION Recently, in response to a request for rationalization of tea leaf plucking work in tea fields, various types of riding type, self-propelled type tea leaf plucking machines have been developed, and the labor saving of the tea cutting work is realized by these devices. . The basic configuration of the tea leaf plucking machine is
The pruning machine is provided so as to be located above the tea ridge with respect to the traveling machine that travels across the tea ridge, and the plucked tea leaves are transferred to the net bag applied to the storage section, and have a structure to store here. is there.

Among these tea leaf plucking machines, the riding type plucking machines capable of accommodating a particularly large amount of tea leaves are roughly classified according to the form of the accommodating portion, that is, a container accommodating system and a rotary net bag accommodating system. In each of the riding type plucking machines of the respective types, the form of loading the tea leaves in the accommodating portion on the bed or the like of the truck is different. First, in a container-accommodating riding plucking machine, a large amount of tea leaves located inside the container are dropped into the loading platform of a truck to be stacked in bulk, or a large amount of tea leaves located inside a large-capacity storage bag placed inside the container. The packaging form is such that the storage bag is placed on the cargo bed.

On the other hand, since the rotary plucking machine of the rotary net bag accommodating system comprises a plurality of net bags having a relatively small capacity, when each net bag is filled with tea leaves, It was premised on manual handling such as transferring the tea leaves to a storage bag, appropriately dropping them on the ground surface in the tea garden and waiting, and placing the storage bag on the truck bed after the arrival of the truck. However, since the weight of the storage bag in which the tea leaves are fully stored is several tens of kilograms, it is not a trivial task to put this bag on the truck bed from the ground surface. Furthermore, depending on the form of the tea factory that receives the tea leaves, it may be more convenient to stack the tea leaves in bulk on the truck bed.In such a case, the tea leaves once packed in the storage bag are discharged onto the luggage bed. It was not always possible to say that the handling work was done rationally.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of such a background, and is a riding type plucking machine of a rotary net bag accommodating system, which has been premised on manual handling of tea leaves. In the above, an attempt was made to develop a novel tea ridge crossing type tea leaf plucking machine that simplifies the handling of tea leaves after plucking and can be performed more rationally.

[0006]

[Means for Solving the Problems] That is, the tea ridge crossover type tea leaf plucking machine according to claim 1 is arranged such that the traveling machine body travels so as to straddle the tea ridge and the tea ridge is located above the traveling machine body. In a tea leaf plucking machine comprising a plucking machine attached to, and a storage section for storing tea leaves behind the plucking machine body, and a relay transfer device for feeding the tea leaves plucked by the plucking machine body to the storage section. The storage unit is of a storage basket type to which a plurality of mesh bags can be applied,
The plucking machine body, the relay transfer device, and the accommodating portion are configured to be integrally movable in the vertical direction when the plucking machine body is moved up and down to be positioned at a suitable height according to the height of the tea ridge, and The section is characterized in that it is configured to be movable in the vertical direction by itself. According to this invention,
It is possible to position the mesh bag provided in the storage section above the bed of the truck, and the tea leaves can be directly loaded from the mesh bag onto the bed, so that the labor of the operator can be significantly reduced. In addition, it is possible to appropriately select the loading mode of the tea leaves on the loading platform, such as by packing them in a storage bag or by loading them in bulk, depending on the form of the tea factory that is the recipient.

In addition to the above requirements, the tea ridge crossover type tea leaf plucking machine according to claim 2 is configured such that the vicinity of the discharge portion of the tea leaf transfer path in the relay transfer path can be divided, and the divided discharge portion. Is provided to the holding frame of the accommodating portion. According to the present invention, the discharge section located above the storage section, which is the storage location of the tea leaves, in the tea ridge crossover type tea leaf plucking machine does not obstruct the vertical movement of the storage section. Then, the above problems can be solved by using the requirements described in each of these claims.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below based on the illustrated embodiments. In the following description, the traveling direction of the tea ridge crossing type tea leaf plucking machine 1 (left side in FIG. 2) is defined as the front, and the opposite side is defined as the rear. The tea ridge crossover type tea leaf plucking machine 1 of the present invention includes, as an example, a traveling machine body 2 that travels across the tea ridge H as shown in FIG. 1 and a traveling machine body 2 that is located on the upper surface of the tea ridge H. A plucking machine body 3 that is attached and plucks the tea leaves A, and further comprises a housing section 4 for housing the tea leaves A behind the plucking machine body 3, and a plucking machine body 3 to a housing section 4. It comprises a relay transfer device 5 for transferring the tea leaves A. Further, a plurality of net bags 6 for accommodating the plucked tea leaves A are attached to the accommodating portion 4 in a suspended state as an example.

The constituent elements of the tea ridge crossing type tea leaf plucking machine 1 will be described below in detail. Prior to this description, the structure of the frame member for supporting each constituent element will be described. First, a main body frame F2 is erected above the traveling machine body 2, and a slider 25 is provided so as to be slidable in the vertical direction with respect to the main body frame F2. A duct support frame F5 is attached to the slider 25, and the housing support frame F4 is fixed to a slider S5 that is vertically slidable with respect to the duct support frame F5. is there. Further, the plucking machine body 3 is provided for the slider 25, the tea leaf transfer duct 52 in the relay transfer device 5 is provided for the duct support frame F5, and the accommodation section 4 is provided for the accommodation section support frame F4. It is equipped for. By adopting such a configuration, the plucking machine body 3, the relay transfer device 5, and the accommodating portion 4 move the slider 25 up and down so as to position the plucking machine body 3 at a suitable height according to the height of the tea ridge H. At the same time, it is configured to be integrally movable in the vertical direction, and the accommodating portion 4 is independently movable in the vertical direction. As for raising and lowering of the accommodating part support frame F4, as shown in FIG. 5, for example, a slider S5, which is slidable with respect to a vertical part of the duct support frame F5, is suspended by a wire W, and the wire W is suspended. Is relaxed by the cylinder 46.
Specifically, first, two wires W1 and W2 connected to two sliders S5 on the left and right sides are connected to a plurality of pulleys 4 respectively.
The wire is wound around the wire 7, the direction is changed, and its free end is fixed to the duct support frame F5.
2 is wound around a double pulley 48 fixed to a rod 47a of a cylinder 47. By adopting such a configuration, the slider S5 moves up and down as the cylinder 46 expands and contracts. Also, the duct support frame F5
The cylinder 25 is also used to lift and lower the slider 25.
The configuration is such that it is moved up and down.

Each constituent element of the tea ridge crossing type tea leaf plucking machine 1 will be described in detail below. First, the traveling machine body 2 will be described. As an example, the traveling machine body 2 is provided with a crawler 22 at the lower part of the main body frame F2 formed in a substantially gate shape so as to straddle the tea ridge H as shown in FIGS. Above the crawler 22
It comprises an engine unit 24 for driving etc. Further, with respect to the main body frame F2, a winch and a cylinder (not shown) for moving up and down the duct support frame F5, an operation lever 26 for operating these, a driver seat 27 on which an operator sits, and the like are provided. It is provided. In this embodiment, as the tea ridge crossing type tea leaf plucking machine 1, a riding type device provided with the operator seat 27 will be described as an example. It is also possible to take the form of a so-called rail traveling type plucking machine or the like that can perform plucking work without doing so.

Next, the plucking machine body 3 will be described.
As an example, as shown in FIGS. 1 to 4, two plucking machine frame pipes 31 are arranged in parallel, and a plucking machine frame substrate 32 is provided below the plucking machine frame pipes 32 along the arc of the upper surface of the tea ridge H. A skeletal member is configured, and a cutting blade 34 to which a hair clipper blade is applied and a plucking machine engine 33 for driving this are mounted. Also, the plucking machine 3 has
A blower duct 35 is provided in front of and above the cutting blade 34, and a plurality of outlets are formed in the blower duct 35 along the longitudinal direction of the cutting blade 34. It is oriented towards the blade 34. The fan 37 provided on the upper part of the main body frame F2 and the blower duct 35 are connected by a blower pipe 38. The part that is divided by the plucking machine frame pipe 31 and the plucking machine frame substrate 32 and until the picked tea leaf A is ascended and transferred by the relay transfer device 5 is referred to as a plucking action part 36.

Next, the relay transfer device 5 will be described. This is a device for transferring the tea leaves A plucked by the plucking machine body 3 to the container 4. Specifically, as shown in FIGS. 1 to 4, as an example, a blowing fan 51 and a blower duct 52a provided on the upper part of the main body frame F2, a blower duct 52b and a tea leaf transfer duct 53 provided for the duct support frame F5. And a discharge part 54 provided for the accommodation part support frame F4. The blower duct 52a and the blower duct 52b are combined in a nested manner to form the blower duct 5
2, which constitutes the duct support frame F5.
The overall length of the blower duct 52 is configured to be expandable and contractable with the elevation of the.

Further, the tea leaf transfer duct 53 is a flow path that follows the confluence point between the blower ducts 52 and the rear portion of the plucking action portion 36, and the plucked tea leaf A from the rear portion of the cutting blade 34 to the accommodating portion. It is a route to blow up to 4. Specifically, the wind blown from the blow-up fan 51 is supplied by the blower duct 52a,
It passes through 52b and wraps around from the side of the tea ridge crossover type tea leaf plucking machine 1 to reach the plucking action portion 36, where it joins the tea leaf A sent backward by the air blown from the fan 37. The air is sent to the storage section 4. The shape of the tea leaf transfer duct 53 is to allow a worker who is driving to secure a sufficient rear view as shown in FIG. 3, and further, the inside of the tea leaf A is stuck to the tea leaf A during transfer. In order to prevent or reduce transfer resistance, plating or fluororesin coating is applied. A fan for transfer assistance may be provided above or below the inclined portion of the tea leaf transfer duct 53.

Further, the discharge portion 54 is formed in a state where the opening portion faces downward, and is provided in the accommodation portion support frame F4. Then, as shown by the solid line in FIG. 2, in the plucking position in which the accommodating part support frame F4 is at the bottom dead center, the discharge part 54 is positioned in contact with the tea leaf transfer duct 53, and the tea leaves A that have been lifted and transferred. Is directed toward the net bag 6 and is naturally dropped. The action of the transfer air gradually decreases as it rises in the tea leaf transfer duct 53, and there is substantially no transfer effect near the opening of the discharge part 54.

Next, the accommodating portion 4 will be described. The storage part 4 is a part for storing the plucked tea leaves A, and is formed by arranging two storage baskets 40 side by side with respect to the storage part support frame F4 as shown in FIGS. is there. The storage basket 40 is provided with a rotary shaft 42 at the center of a holding frame 41 formed by combining frame members into a cylindrical shape as an example, and a lower end portion of the rotary shaft 42 is supported by a rotary table 45, so that it is separately provided. It is rotationally driven by an attached motor or the like. The internal space of the storage basket 40 is divided into a plurality of spaces by a partition frame 43. In this embodiment, as shown in FIG.
The interior space of is divided into five sections in plan view. Each of these compartments is located below the discharge part 54 as the storage basket 40 rotates, and the mesh bag 6 is applied to each compartment in a suspended state as an example with respect to the upper frame. .

As a form in which the bag body such as the net bag 6 is applied to the storage portion 4, it is suspended in the storage basket 40 as described above, or in a state of being communicated with the lower portion of the storage basket 40. It may be in a suspended state, or may be held in the storage part support frame F4 with the opening facing the lower part of the storage basket 40. Furthermore, the storage basket 40
The tea leaves A may be directly housed inside, and in this case, the outer periphery of the holding frame 41 is covered with punching metal, wire mesh or the like, and the bottom portion is configured to be openable and closable.

In this embodiment, the net bag 6 is used as a member for storing the tea leaves A. This allows the tea leaves A housed inside to be visually recognized from the outside, and also the tea leaves A.
This is for improving the air permeability so as not to hurt the bag, and a bag made of an appropriate material other than a net can be used. Further, in this embodiment, the tea leaves A accommodated in the net bag 6 in accordance with the plucking operation are transferred to a separate storage bag B, a loading platform of the truck T, a container, etc. without removing the net bag 6 from the storage basket 40. It takes a form that can. Specifically, the shape of each mesh bag 6 is blown out, and when plucking, the mesh bag 6 is hooked on the bottom frame 40a of the storage basket 40 with the lower opening of the mesh bag 6 closed. Then, as an example, the holding spring S or the like is used. After the end of plucking, the pressing spring S is released to discharge the tea leaves A contained in the net bag 6 from the downward opening portion.

Here, the bulkiness sensor 9 provided in the accommodating portion 4 will be described. This is for detecting the storage amount of the tea leaves A stored in the storage basket 40, and is provided above the storage basket 40 as an example, and the net bag 6 is installed from the installation position.
An infrared reflection type device or the like for measuring the accommodation height of the tea leaves A by measuring the distance to the upper surface of the tea leaves A accumulated inside is applied.

Next, the tea leaf bulk volume reducing device 7 provided in the container 4 will be described. This is disclosed in Japanese Patent Application Laid-Open No. 2000-125642 “Tea ridge-crossing type tea leaf plucking machine with improved storage efficiency”, which is a patent application by the present applicant, and has a bulk volume so as not to damage the tea leaf A. Decrease,
This is a device for keeping the tea leaves A in a densely packed state. The configuration is such that the pressing device 71 is fixed substantially vertically to the rear of the traveling machine body 2, specifically, above the storage basket 40 by the mounting frame 72. The pressing device 71 is a hydraulic cylinder or The pressing portion 75 is configured to be vertically shifted by a link mechanism or the like. In this embodiment, two pressing devices 71 are provided as an example. However, the pressing device 71 can be appropriately changed depending on the number of the storage baskets 40 installed, and the pressing position can be appropriately changed.

The tea ridge crossing type tea leaf plucking machine 1 of the present invention is constructed as described above by way of example, and the operation mode of this device will be described below. (1) Attaching the net bag First, prior to the plucking operation of the tea leaves A, the net bag 6 is attached to the inside of the storage basket 40 in a suspended state by an appropriate attaching means such as a string or a clip, and the lower open end is pressed by the spring S. Hang up.

(2) Adjusting the height of the plucking machine body Then, the plucking machine body 3 is positioned at a suitable height according to the height of the tea ridge H. A winch or the like is operated by the operating lever 26 to move the slider 25. By moving up and down, the plucking machine body 3 and the duct support frame F5 included in this are moved up and down. At this time, the duct support frame F5
On the other hand, since the housing part support frame F4 and the housing part 4 included in the housing part support frame F4 are assembled, they move integrally in the vertical direction. Further, at this time, the storage part support frame F4 is positioned at the bottom dead center so that the discharge part 54 is in contact with the tea leaf transfer duct 53, and the flow of the tea leaves A from the plucking action part 36 to the storage basket 40. Make sure that the paths are continuously formed.

(3) Plucking Tea Leaves Upon completion of the above preparatory work, the operator sits on the operator's seat 27 and starts the engine unit 24, and the control unit 23 drives the crawler 22 and the plucking machine engine 33. Then, the plucking of the tea leaves A is started.
Then, the tea leaves A cut by the cutting blade 34 are sent to the rear of the plucking action section 36 by the wind flow supplied from the blower duct 35, and then by the wind flow supplied from the blowing fan 51 in the relay transfer device 5 through the blower duct 52. The tea leaves are transferred upward in the tea transfer duct 53. After that, the tea leaves A are naturally dropped from the discharge part 54 and stored in the mesh bag 6.

(4) Pressing of tea leaves After that, when the bulkiness sensor 9 detects that the tea leaves A are accommodated in the net bag 6 in a certain amount, the tea leaf volume reducing device 7 presses the tea leaves A. Is done. Specifically, the pressing unit 75 is pressed down toward the storage basket 40 by the pressing device 71, and the tea leaf A is pressed to reduce the bulk volume.

(5) Transfer of Tea Leaves When the tea leaves A contained in the net bag 6 are pressed as described above, the amount of the tea leaves A soon approaches the capacity of the net bag 6, or When the truck T arrives at the tea garden, the plucking operation is temporarily stopped and the tea leaves A stored in the net bag 6 are transferred to the storage bag B, the bed of the truck T, or the like. Hereinafter, the case where the tea leaves A are stored in the storage bag B and left in the tea ridges T or in the headland, and the case where the tea leaves A are directly transferred to the bed of the truck T will be described separately.

(I) Transfer to Storage Bag First, the transfer mode of the tea leaves A, which has been conventionally performed in the plucking operation using the rotary sack bag storage type tea ridge straddle type tea leaf plucking machine 1, will be described. The situation in which the amount of the tea leaves A approaches the capacity of the net bag 6 may occur in the middle of the tea ridge H or even when the truck T heading for the tea factory has not returned to the tea garden. Then, in such a case, the tea leaves A in the net bag 6 are transferred to the storage bag B, appropriately dropped on the ground surface in the tea garden and waited, and after the arrival of the truck T, the storage bag B is placed on the bed for manual handling. Is to do.

Specifically, the locked state of the lower portion of the net bag 6 hooked on the bottom frame 40a of the storage basket 40 is released by removing the pressing spring S, and the opened portion is stored in the storage basket 40.
It is transferred by pulling it to the outside of the container and receiving the tea leaf A in the storage bag B. In this case, as shown in FIG. 6A, the storage basket 40 in the plucking posture is
It is located at a position higher than the tea ridge H, and the lower part of the net bag 6 is located at the height from the waist of the worker to the chest position. Therefore, the tea leaves A can be transferred without raising the duct support frame F5 and the housing part support frame F4. And a storage bag B containing the tea leaves A
Is appropriately placed on the ground surface in the tea garden and is made to stand by, and when the truck T arrives at the tea garden, the storage bag B is placed on the bed of the truck T.

(II) Transfer of Truck to Loading Platform Next, the transfer mode of the tea leaves A made possible by the tea ridge straddling type tea leaf plucking machine 1 of the present invention will be explained. The tea leaves A in the mesh bag 6 held by the section 4 are directly transferred to the loading platform of the truck T located on the headland or the like. In this case, since the storage basket 40 in the plucking position is located at the same position as or lower than the loading platform of the truck T, by raising the storage section support frame F4 as shown in FIG. 6 (b), Storage basket 40
Is located at a position higher than the bed of the truck T. After that, the locked state of the lower portion of the net bag 6 that is hooked on the bottom frame 40a of the storage basket 40 is released by removing the pressing spring S, and the opened portion is pulled out to the outside of the storage basket 40, and the track T The tea bags A are transferred by receiving the tea leaves A in the storage bag B on the carrier. Of course, at this time, the tea leaves A may be directly stacked on the bed without using the storage bag B.

Further, when it is not possible to position the storage basket 40 at a position higher than the bed of the truck T simply by raising the storage portion support frame F4, as shown in FIG.
By simultaneously raising the duct support frame F5 as shown in (c), the storage basket 40 can be positioned at a higher position.

[0029]

According to the tea ridge crossover type tea leaf plucking machine 1 of the present invention, in the riding type plucking machine of the rotary net bag accommodating system, which has been conventionally premised on manual handling of the tea leaves A, after plucking The tea leaves A can be handled reasonably. That is, the net bag 6 provided in the storage section 4 can be positioned above the loading platform of the truck T, and the tea leaves A can be directly loaded from the net bag 6 onto the loading platform, which significantly reduces the labor of the operator. be able to. In addition, the loading mode of the tea leaves A on the loading platform can be appropriately selected depending on the form of the tea factory that is the recipient, such as a state where the tea bags A are packed in the storage bag B or a state where they are loaded in bulk.

[Brief description of drawings]

FIG. 1 is a perspective view showing a tea leaf plucking machine of the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is a plan view of the same.

FIG. 4 is a rear view of the same.

FIG. 5 is a perspective view skeletonally showing a lifting mechanism for a housing support frame.

FIG. 6 is a side view showing a state of a tea leaf transfer operation.

[Explanation of symbols] 1 Tea ridge crossing type tea leaf plucking machine 2 traveling aircraft 3 plucking machine 4 accommodation 5 Relay transfer device 6 mesh bags 7 Tea leaf volume reduction device 9 Bulkiness sensor 22 crawler 23 Control unit 24 engine unit 25 slider 28 Operation lever 27 Pilot seat 31 Plucking machine Frame pipe 32 Plucking machine frame substrate 33 Plucking machine engine 34 cutting blade 35 air duct 36 Plucking part 37 fans 38 air duct 40 storage basket 40a bottom frame 41 holding frame 42 rotation axis 43 dividers 45 turntable 46 cylinders 46a rod 47 pulley 48 double pulley 51 blow-up fan 52 air duct 52a air duct 52b air duct 53 Tea leaf transfer duct 54 Discharge part 71 Pressing device 72 mounting frame 73 Pressing part A tea leaves B accommodation bag H tea ridge F2 body frame F4 housing support frame F5 duct support frame S holding spring S5 slider T track W wire W1 wire W2 wire

Claims (2)

[Claims] 1. A traveling body that travels so as to straddle a tea ridge,
With a plucking machine body attached so as to be located above the tea ridges with respect to this traveling machine body, a storage section for storing tea leaves is provided behind the plucking machine body, and tea leaves plucked by the plucking machine body are stored in a storage section. In a tea leaf plucking machine equipped with a relay transfer device for feeding, the accommodating part is of a storage basket type to which a plurality of net bags can be applied, and the plucking machine body, the relay transfer device and the accommodating part are tea ridge heights. When moving up and down to position the plucking machine to a suitable height according to
A tea ridge crossover type tea leaf plucking machine, characterized in that it is integrally movable in the vertical direction, and that the storage section is independently movable in the vertical direction. 2. The tea delivery path in the relay transfer path is configured such that the vicinity of the discharge section can be divided, and the divided discharge section is provided to a holding frame of the accommodating section. The tea ridge crossover type tea leaf plucking machine described in 1.