JP2000060268A - Simple sulky-type tea-leaf picking machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a simple sulky-type tea-leaf picking machine whose constitution capable of converting its inherent picking function into another function. SOLUTION: This machine comprises: a vehicle main body comprising gate- type frames 21 and 22 bestriding a tea plant ridge; a crawler-type traveling device interlinked with the main body; a picking device vertically movably disposed relative to the main body and provided with a blower means 46 for backwardly sending air; a carrier 5 mounted with a receiving means for receiving tea-leaf sent under pressure by the picking device; a supporting member 74 formed on an elevating unit 56; and a power spray unit 70 detachably mounted on the supporting member 74 and provided with a chemical liquid spray nozzle means 73 and pump driving unit 72, wherein the power spray unit 70 is supportably interlocked with the elevating unit 56 and conduit pipes 81 and 82 extended from a chemical tank 80 on the main body are connected to the pump driving unit 72 and the spray nozzle means 73 respectively.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a riding-type tea leaf plucking machine for performing tea leaf plucking work while moving over tea tree ridges, and more particularly, to a simple structure having a structure that can be converted to a function other than the plucking function. The present invention relates to a riding type tea leaf plucking machine.

[0002]

2. Description of the Related Art In recent years, with the aging of workers, there has been an urgent need to automate various machines for managing tea fields and reduce the work load. In order to meet these demands, for example, a riding type tea leaf plucking machine has been proposed.

In the above-mentioned riding-type tea leaf plucking machine, a plucking device, a large air blower, and a large accommodating device for accommodating tea leaves are provided on a passenger car body that straddles the tea ridges and runs between the ridges on both sides thereof. ing. Then, the passenger car body is put into the ridge, the plucking device is operated to perform plucking work, and the plucked tea leaves are pumped by the air blower to be lifted in the duct and accommodated in the accommodating device. As a result, unless it is an extremely sloping ground, a riding-type plucking machine can be put in for plucking work.

[0004]

The riding type tea leaf plucking machine described above has the following drawbacks. In other words, in the case of a riding type tea leaf plucking machine, the device configuration itself is large and the price itself becomes expensive,
A large tea plant can fully utilize its merits, but there is a problem that this system cannot be introduced in a small or medium-sized tea plantation. Moreover, when a riding-type tea leaf plucking machine is used, the ground may be compacted depending on the weight of the plucking machine, which may make it difficult to dug up during cultivating work and make management work difficult. There is.

On the other hand, the tea leaf plucking machine described above is used only for plucking work. Therefore, it cannot be applied to the control work, which is one of the tea plantation management works. Therefore, when carrying out control work, it is necessary to prepare a riding-type control machine equipped with a control chemical solution tank and equipped with a control device equipped with a nozzle device for spraying the chemical solution from this chemical solution tank. is there. However, it is not preferable because the maintenance burden becomes large to prepare the tea leaf plucking machine and the pest control machine, which causes an economic burden on the tea industry farmers.

The object of the present invention is to provide the above-mentioned conventional tea leaf plucking machine,
In particular, in view of the problem in the riding type tea leaf plucking machine, it is an object of the present invention to provide a simple riding type tea leaf plucking machine having a configuration that can be converted to a function other than the original tea leaf plucking function.

[0007]

In order to achieve this object, the invention as set forth in claim 1 is directed to a vehicle body composed of a gate-shaped frame straddling a tea tree ridge, and a crawler connected to the vehicle body and traveling between the ridges. Type traveling device, a loading platform that is arranged so as to be movable up and down with respect to the vehicle body, and that carries a storage means that stores the plucked tea leaves, and a lifting drive for the loading platform that is arranged at least at one widthwise end of the loading platform. A simple riding type tea leaf plucking machine having an elevating device for carrying out a power spraying device having a chemical spray nozzle means detachable from the elevating device located behind the vehicle body of the elevating device. The chemical spray nozzle means of the power spray device is supported so as to be interlockable with the elevating device, and a pipe from the chemical tank is connected.

According to a second aspect of the present invention, in the simple riding type tea leaf plucking machine according to the first aspect, the chemical spray nozzle means of the power spraying device can be interlocked with the elevating operation of the elevating device. The feature is that the elevation position can be adjusted according to the height.

According to a third aspect of the present invention, in the simple riding type tea leaf plucking machine according to the first aspect, the chemical liquid spraying nozzle means is a nozzle means for spraying the chemical liquid to the tea tree ridges running across the vehicle body. And an adjacent tea tree nozzle means for spraying a chemical solution to the tea tree ridges adjacent to the tea tree ridges running across the body of the vehicle body, the adjacent tea tree nozzle means being raised with respect to the side of the cargo bed. The feature is that it is provided so that it can be collapsed.

[0010]

According to the present invention, the chemical liquid spray nozzle means of the power spray device can be attached to the lifting device. Accordingly, if the chemical liquid tank is mounted on the vehicle body and piping is connected to the chemical liquid spray nozzle means of the power spray device, the structure of the plucking machine can be used as it is as a pest control machine. Moreover, since the chemical spray nozzle means can be interlocked with the elevating device, it is possible to adjust the nozzle position required for spraying the chemical without manpower, regardless of the height difference of the tea trees in the tea ridge. Furthermore, since the chemical spray nozzle means is provided not only with the tea tree ridges that the vehicle body travels across, but also with the adjacent tea tree nozzle means that can be tilted up and down with respect to the side of the vehicle body. The chemical solution can be sprayed to improve the efficiency of the control work and
At the time of turning, the nozzle means for adjacent tea tree ridges can be raised so as not to get in the way to improve maneuverability.

[0011]

The present invention will be described in detail below with reference to the illustrated embodiments. Since the present invention is characterized in that the tea leaf plucking machine is used as a pest control machine, first, the configuration relating to the tea leaf plucking function will be described. FIG. 1 is a rear perspective view of a simple riding type tea leaf plucking machine for explaining a configuration including a plucking device and a mechanism for accommodating plucked tea leaves in order to exert a tea leaf plucking function. The type tea leaf plucking machine 1 includes a vehicle body 2, a traveling device 3, a plucking device 4,
And a loading platform 5.

The vehicle body 2 has gate-shaped frames 21 and 22 arranged in front of and behind the vehicle body, and the gate-shaped frames 21 and 22.
It is composed of an elevating frame 23 arranged between the two and a boarding plate 24 fixedly attached to the gate frames 21 and 22. The gate-shaped frames 21 and 22 are formed so as to straddle the tea ridge, and are made of a material having rigidity. Further, the elevating frame 23 is a vertical frame for elevating and guiding the plucking device 4, and the elevating frame 23 is also arranged between the elevating frame 23 and the gate frames 21 and 22 so as to reinforce the vehicle body 2. . The lifting frame 23 is used for the loading platform 5.
The guide plate 49 has a longitudinal extension at both ends in the width direction, and a connecting frame 60 along the traveling direction of the vehicle body 2 is fixed between the gate frames 21 and 22 at a part thereof. There is. Further, the boarding board 24 is a rigid board having a certain thickness, and on the boarding board 24, a cockpit 25 on which an occupant sits and a manipulating part 2 arranged in front of the cockpit 25 are provided.
6 are provided.

The traveling device 3 has a rubber crawler 33 wound between a drive wheel 31 provided at the rear end and a driven wheel 32 provided at the tip. A reinforcing frame 34 is connected to the drive wheel 31 and the driven wheel 32, and a plurality of rolling wheels 35 are pivotally supported on the reinforcing frame 34, and the gate frames 21 and 22 and the elevating frame. 23
The base end portion of is fixed, and the whole of the traveling device 3 is configured to receive the load of the vehicle body 2. In this embodiment, the drive wheels 31 are each driven by a hydraulic motor 62. The hydraulic control circuit for the hydraulic motors 62 includes a direction switching valve (not shown) for controlling the supply and discharge of oil from the oil pumps 64, which are driven by the engine 63 used as the drive source of the traveling device 3, to the hydraulic motors 62. ) And a directional valve for rotation (not shown) for controlling normal rotation, reverse rotation and stop of the hydraulic motor 62 are provided as main parts. As the traveling device, instead of the configuration using the rubber crawler described above,
It is also possible to adopt a configuration using tires or tracks.

The plucking device 4 comprises support frames 41, 4
A pair of side plates 42, 42 is provided at both end portions of 1, and a cutting blade 43, which is an arcuate hair clipper blade, is supported so as to reciprocate on the lower front side between the side plates 42, 42. Engines 44 and 45 are provided at both left and right ends of the plucking device 4, and a blower pipe 46 is connected to the engines 44 and 45. The engine 44 reciprocates the cutting blade 43 and at the same time blows air into the blower pipe, and the engine 45 is dedicated to blow air into the blower pipe. The blower pipe 46 is provided with a plurality of nozzles 46a, and blows pressured air from above the cutting blade 43 toward the rear of the cutting blade 43 so that the tea leaves plucked by the cutting blade 43 are blown backward. , Are arranged at predetermined intervals. A guide plate 49 is detachably connected as a bottom surface of the rear opening of the plucking device 4.

An elevating body 47 is provided in the plucking device 4, and the elevating body 47 is fitted to the elevating frame 23 via a roller 47a. And the lifting frame 23
The lifting body 47 moves up and down with the rotation of the lifting motor 48 provided at the top of the plucking device, so that the plucking position of the plucking device 4 can be determined. The elevating motor 48 is arranged above the connecting frame 60, and the driving force from the elevating motor 48 is erected inside the elevating frame 23 so as to mesh with a ball screw (not shown) provided on the elevating body 47. It is adapted to be transmitted to a threaded rod (not shown) which is connected via a reduction mechanism 61 connected to the lifting motor 48. Therefore, the rotating force from the lift motor 48 is applied to the lifter 4
Since the member for transmitting to 7 is not designed to be laid horizontally behind the cockpit 25, the space of that part (the space of the range shown by the symbol S in FIG. 1) is formed in an open state. There is.

A part of the loading platform 5 is located at the rear of the cockpit 25 and is arranged at the rear portion of the plucking device 4 and is hinged to the guiding plate 49. The bag receiving section 50 is foldable and detachable, and each is formed to have a required width (about the width of a tea bag) and a required length. An expandable cylinder 55 is connected to the bag receiving portion 50, and when the cylinder 55 is extended, it is continuously extended to the guide plate 49 in a substantially horizontal state so that a tea bag can be mounted. 55
When is contracted, it bends around the hinge joint as a fulcrum and is housed in a substantially vertical state. Further, the bag receiving portion 5 is provided on the gate-shaped frame 22 located at the rear of the vehicle body 2.
0 is provided with an elevating body 56 which is integrated with the gate frame 22 via rollers 56a so as to be vertically movable. Therefore, as the plucking device 4 moves up and down, the bag receiving portion 50 also moves up and down together with the guide plate 49.

A simple riding type tea leaf plucking machine 1 having such a structure
Expands the cylinder 55 and attaches the bag receiving portion 50 to the guide plate 4
9 is unfolded continuously in a horizontal state, and a tea bag (not shown) is mounted on the bag receiving portion 50. Then, the operator gets into the simple riding type plucking machine 1, sits in the pilot seat 25, operates the control section 26, and crosses over the appropriate tea ridges to carry the simple riding type plucking machine 1
Into the tea garden. Next, the manipulating part 26 is operated to drive the elevating motor 48 to move the plucking device 4 and the guide plate 49 of the loading platform 5 and the bag receiving part 50 up and down to determine the plucking position and start the engines 44 and 45. The plucking device 4 is operated, the hydraulic motor 62 is driven to cause the traveling device 3 to travel, and the plucking operation is performed. Here, the tea leaves plucked by the plucking device 4 are pressure-fed rearward by the compressed air from the nozzle 46a of the blower pipe 46 provided in the plucking device 4, and are stored in the tea bag provided on the cargo bed 5. . Here, since the luggage carrier 5 is lengthened by extending the bag receiving portion 50 in addition to the guide plate 49, a large tea bag can be loaded.
The plucking operation can be performed without changing the tea bag in the row of tea ridges. When the tea ridge is swung, particularly when the swivel space is narrow, the cylinder 55 is contracted to fold the loading platform 5 in a substantially vertical state and moved to the next tea ridge.

Next, a description will be given of a configuration in which the simple riding type tea leaf plucking machine 1 having the above-mentioned configuration is converted from the tea leaf plucking function to the pest control function. FIG. 2 is a side view showing a state in which the bag receiving portion 50 that is a part of the luggage carrier 5 in the configuration shown in FIG. 1 is removed. It should be noted that although the plucking device 4 shown in FIG. 1 is not shown in FIG. 2, it is possible to leave the plucking device 4 installed in this embodiment without removing it when the function is diverted. It suffices to remove only the members existing at the locations necessary to install the members related to the function. In FIG. 2, the bag receiving portion 50, which is one member forming the luggage carrier 5, is removed from the guide plate 49, and instead,
A power spraying device 70 including a later-described chemical liquid spraying nozzle means 73 as one component is attached. Power sprayer 7
As shown in FIG. 3, reference numeral 0 denotes a pump driving engine mounted and supported on a support rod 71 having a longitudinal direction along the width direction of the luggage carrier 5 and a support plate 72A attached to the rear end edge of the guide plate 49. 72 and a chemical solution spray nozzle means 73 supported by a support rod 71.

As shown in FIG. 4, the support rod 71 is detachably attached to a support member 74 which is integrated with the rear surface of the elevator body 56 located at the rear of the elevator body. ing. In other words, the support member 74 is the lifter 56.
The rear surface is integrated by fastening or welding, and a mounting screw hole 74A is formed in the central portion thereof. In FIG. 4, the support rod 71 has support pipes 71A integrated at both ends in the longitudinal direction.
A is a mounting bracket 75 fastened to the support member 74.
The mounting rod 76 fixed to the above can be inserted. The mounting rod 76 has a plurality of locking holes 76A in its axial direction.
Is formed, and the locking member 77 is aligned with the hole (not shown) formed in the support pipe 71A.
It is prevented from coming off by being inserted. A hook portion 75A that can be engaged with the upper end of the support member 74 is formed at the upper end of the mounting bracket 75, and the hook portion 75A is hooked to the upper end of the support member 74 to prevent the hook 75A from falling off. ing.

In FIG. 3, the nozzle means 73 for spraying the chemical liquid is shown.
Is provided so as to be attachable to and detachable from the elevating body 56 via the support member 74, and the nozzle means 73A capable of spraying the chemical liquid on the tea tree ridges running across the vehicle body 2 and the nozzle means 73 are provided. It is provided with an adjacent tea tree ridge nozzle means 73B for spraying the chemical solution to the tea tree ridges adjacent to the tea tree ridges to be sprayed. Adjacent tea tree ridge nozzle means 73
As shown in FIG. 4, B is attached to a holding member 78 whose base ends are pivotally supported by pivot shafts 78 at both ends in the longitudinal direction of the support rod 71 and which is supported so as to be able to rise and fall.
The base end of 8 is connected to the cylinder 79 attached to the support rod 71.

On the other hand, in the vehicle body 2, a chemical liquid tank 80 is mounted in the space behind the cockpit 25 shown by reference numeral S in FIG. 1 by a crane or the like not shown. As shown in FIGS. 2 and 3, the chemical liquid tank 80 has a chemical liquid discharge port 80A and nozzle means 73A, 7A.
It is formed according to the number of 3B, and this chemical liquid discharge port 8
0A is provided with a pipe 81 connecting between the pump 72B and a pump 72B driven by a pump drive engine 72. Further, as shown in FIG. 2, the pump 72B connects each nozzle means 73A, 73B with a cock. A pipe 83 is provided via 82.

Since this embodiment has the above-mentioned configuration,
When performing the extermination work instead of the plucking work, the bag receiving portion 50, which is one member of the loading platform 5, is removed from the guide plate 49,
A power spray device 70 is installed. The power spray device 70 is provided with the nozzle means 73A and the adjacent tea tree ridge nozzle means 7 in advance.
3B is provided on the support rod 71, and the adjacent tea tree ridge nozzle means 73B is provided so as to be able to be erected by the holding member 78 being pivotally supported by the pivot shaft 78. By attaching the mounting bracket 75 to the supporting member 74 of the lifting body 56 and inserting the mounting rod 76 of the mounting bracket 75 into the support pipe 71A of the supporting rod 71, the chemical liquid spray nozzle means 73 of the supporting rod 71 is formed. It is installed on the body 2 side. When the support rod 71 is installed, the cylinder member 79 is kept in a contracted state, and the adjacent tea tree ridge chemical liquid nozzle means 7 is provided.
3B has been awakened.

A support plate 72A is attached to a rear end edge of the guide plate 49 to install a pump 72 for driving the pump, and a space portion behind the cockpit of the vehicle body 2 (a space indicated by reference symbol S in FIG. 1). On the other hand, when the chemical liquid tank 80 is mounted using a crane (not shown), the chemical liquid tank 80 and the pump 72B
And the pump 72B and the nozzle means 73A and the adjacent tea tree ridge nozzle means 73B are provided and connected with pipes 81 and 82.

When the pest control work is started, the simple riding type tea leaf plucking machine 1 is put into the tea garden by straddling appropriate tea ridges as in the plucking work. When there is a tea tree ridge adjacent to the tea tree ridge which the vehicle body 2 is straddling when the chemical liquid is sprayed, the cylinder member 79 is extended by the operation of the control unit 26 to bring down the adjacent tea tree ridge nozzle means 73B. When the position of the chemical spray nozzle means 73 is determined, the position of the chemical spray nozzle means 73 is adjusted according to the height of the tea plant. That is, in this case, the lifting drive motor 48 is driven as in the plucking work, and the lifting bodies 47 and 56 are moved up and down in conjunction with this to be positioned at a position according to the height of the tea plant. As a result, the chemical spray nozzle means 73 is positioned at a position where the chemical spray can be most efficiently sprayed regardless of the height of the tea plant without manual intervention. Medication spray nozzle means 7
When the positioning of 3 in the height direction is completed, the transmission of the driving force from the pump drive engine 72 to the pump 72B is started. In this case, the clutch arranged between the engine 72 and the pump 72B is connected. As a result, the chemical liquid from the chemical liquid tank 80 passes through the pipes 81, 82 via the pump 82.
And is sprayed from the nozzle means 73A of the chemical solution spray nozzle means 73 and the adjacent tea tree ridge nozzle means 73B.

On the other hand, when the body 2 is turned or when there is no adjacent tea tree ridge, the adjacent tea tree ridge nozzle means 73B is raised. In this case, the cylinder member 79 contracts,
The holding member 78 (see FIG. 4) is triggered. In this case, the operation of the cock 82 shuts off the supply of the chemical liquid to the adjacent tea tree ridge nozzle means 73B.

According to the above-mentioned embodiment, the chemical liquid can be sprayed only by preparing the power spray device 70 as an attachment. In the above embodiment, the chemical solution tank 80 is mounted on the vehicle body 2, but the present invention is not limited to this configuration. For example, only the chemical solution spray nozzle means 73 is used for simple riding type tea leaf plucking. The machine 1 is equipped with the machine tank 80 and the pump drive engine 72 mounted on a truck waiting outside the field, and the machine spray nozzle means 73 and the machine liquid 2 is provided with a windable member. It is also possible to connect via a hose.

[0027]

As described above, according to the first to third aspects of the present invention, by providing the supporting member provided in the lifting device, the chemical liquid contained in the power spraying device with respect to the supporting member. A spray nozzle means can be attached. Accordingly, if the chemical liquid tank is mounted on the vehicle body and piping is connected to the chemical liquid spray nozzle means of the power spray device, the structure of the plucking machine can be used as it is as a pest control machine. Moreover, since the support member to which the chemical spray nozzle means is attached can be interlocked with the lifting device, it is possible to adjust the nozzle position required for spraying the chemical solution without manpower, regardless of the height difference of the tea trees in the tea ridge. You can Furthermore, since the chemical spray nozzle means is provided not only with the tea tree ridges that the vehicle body travels across, but also with the adjacent tea tree nozzle means that can be tilted up and down with respect to the side of the vehicle body. The chemical solution can be sprayed to improve the efficiency of the control work, and at the time of turning, the adjacent tea tree ridge nozzle means can be raised so as not to get in the way to improve maneuverability. This makes it possible to use the structure of the plucking machine as it is and to perform a function different from plucking without preparing a pest control machine, so that it is not necessary to newly prepare machines and equipment for work other than plucking work. This not only saves costs, but also makes it possible to realize multiple functions with simple operations.

[Brief description of drawings]

FIG. 1 is a rear perspective view of a simple riding type tea leaf plucking machine for explaining a structure for plucking work in the simple riding type tea leaf plucking machine according to an embodiment of the present invention.

FIG. 2 is a side view of a simple riding type tea leaf plucking machine showing a configuration for executing a function other than the plucking function in the simple riding type tea leaf plucking machine according to the embodiment of the present invention.

FIG. 3 is a rear view of the simple riding type tea leaf plucking machine having the configuration shown in FIG.

FIG. 4 is a partial perspective view for explaining a main part of the configuration shown in FIG.

[Explanation of symbols]

1 Simple riding type plucking machine 2 Body 21 Gate frame 22 Gate frame 23 Lifting frame 24 board 25 cockpit 26 Control Section 3 traveling devices 31 drive wheels 32 driven wheel 33 Rubber Crawler 34 Reinforcement frame 35 wheels 4 Plucking device 41 Support frame 42 Side plate 43 cutting blade 44 engine 45 engine 46 air duct 46a nozzle 47 Lifting body 47a roller 48 lifting motor 49 Information board 5 loading platform 50 bag receiver 55 cylinders 56 Lifting body 56a roller 60 connecting frame 61 Reduction mechanism 62 hydraulic motor 70 Power atomizer 71 support rod 72 Pump-driven engine 73 Chemical spray nozzle means 73A nozzle means 73B Adjacent tea tree ridge nozzle means 74 Support member 75 mounting bracket 76 mounting rod 78 Axis 79 cylinders 80 chemical tank 81, 82 piping

Claims (3)

[Claims] 1. A vehicle body composed of a gate-shaped frame straddling a tea tree ridge, a crawler type traveling device connected to the vehicle body and traveling between the ridges, and arranged so as to be vertically movable with respect to the vehicle body. A simple riding type tea leaf plucking machine comprising: a loading platform for mounting a storage means for storing the plucked tea leaves; and a lifting device arranged at least at one end in the width direction of the loading platform to lift and lower the loading platform. Of the above, a power spray device having a chemical spray nozzle means that is attachable to and detachable from an elevating device located behind the vehicle body is provided, and the chemical spray nozzle means of the power spray device is interlockable with the elevating device. A simple riding type tea leaf plucking machine, which is supported and to which a pipe from a chemical solution tank is connected. 2. The simple riding type tea leaf plucking machine according to claim 1, wherein the chemical liquid spray nozzle means of the power spraying device can be interlocked with the elevating operation of the elevating device, and elevates according to the height of the tea tree ridge. A simple riding type tea leaf plucking machine whose position can be adjusted. 3. The simple riding type tea leaf plucking machine according to claim 1, wherein the chemical solution spraying nozzle means sprays the chemical solution to the tea tree ridges running across the body of the vehicle body.
The vehicle body is provided with a tea tree ridge running across and a tea tree ridge adjacent to the tea tree ridge, which sprays a chemical solution to the adjacent tea tree ridge, and the adjacent tea tree nozzle means can be tilted up and down with respect to the side of the cargo bed. A simple riding type tea leaf plucking machine, which is provided in the.