JPH026485B2 - - Google Patents

Description

[Detailed Description of the Invention] The leaf bag in the conventional self-propelled tea picker is attached to the bag frame at the rear of the vehicle body, so when replacing the leaf bag, the driver has to remove it. Even if the driver tries to go to the rear of the machine, he cannot reach the leaf bag from his operating position, and in the middle of the tea row, even if the driver tries to go to the rear of the machine, the tea rows on both sides and the vehicle body will get in the way. It is difficult to get to the back of the machine.

To do this, another worker must go to the rear of the machine and replace the leaf bag, or the operator or the operator on the opposite side of the machine can go around the side furrows and move to the rear of the machine. The drawback was that I had to go there and replace the leaf bags.

By the way, the work of replacing leaf bags has to be done many times a day, so it takes a considerable amount of time, and moreover, that time is extremely valuable for the workers. be.

Therefore, the present invention aims to save valuable time for the above-mentioned workers, and allows the operator to easily change the leaf bag himself at the operating position, making it easy to handle and improving work efficiency. The present invention relates to a leaf bag replacement device in a self-propelled tea picker, which is characterized in that:

To explain the structure of one embodiment of the present invention shown in the drawings, a indicates a gate-shaped vehicle body that straddles the tea ridges of a self-propelled tea plucking machine, 1 is a drive side frame on the 1 side of the vehicle body a, and A drive wheel 2 is pivoted on the front part, a front wheel 4 with a steering handle 3 is rotatably supported on the front part, front and rear vertical rods 5, 5 are provided in the middle part, and a prime mover 6 and a blower 7 are provided on the rear part. The driving shaft of the prime mover 6 and the windmill shaft of the blower 7 are connected, and the windmill shaft of the blower 7 and the axle of the drive wheel 2 are linked by a transmission mechanism with a reducer 8 interposed therebetween. 9 is vertical rod 5,5
This is an elevating platform attached to the platform so as to be movable up and down, and a horizontal shaft 10 facing forward is provided at the lower end of the platform.

Reference numeral 11 denotes a support shaft that is suspended horizontally on both side bearings 12 on the rear part of the frame 1.The support shaft 11 has a U-shaped support shaft that is wider than the frame 1 and has bag hanging pieces 13 protruding from the bases of both side pieces. The base end of the upper bag frame 14 and the base end of the lower bag frame 16 provided with the bag hanging hook piece 15 at the tip are rotatably fitted, and a screw is attached to the front of the base end of one side of the upper bag frame 14. A shaped support 17 is fixed, and the base of the operating handle 18 is fitted onto this with a vertical pin 19 so as to be rotatable from side to side. , the rear legs 21 of the handle support plate 20 with recesses A, B, and C provided in the middle and lower part are fixed, and a spring 22 is stretched between the lower bag frame 16 and the base of the operating handle 18. are engaged and held in appropriate recesses in recesses A, B, and C. Reference numeral 23 designates a bag frame stopper which is fixed to the upper end of the other side frame of the frame 1 so as to protrude further forward than the support shaft 11.

24 is a side wheel rotatably supported on the other side leg of the vehicle body a; 25 is a support rod that is rotatably fitted into the vertical tube 26 in the middle of the horizontal rod of the vehicle body a; Install 27. 28 is a handle of the hoist 27, and 29 is a suspension spring.

b shows a rotary type reaper located approximately in one half of the vehicle body a, and 30 is an oblong machine casing with its front open, and the bottom surface is formed into a concave arc shape to match the upper surface of the brown furrow. A takeout gutter 31 is provided protruding from the rear side,
The rotary blades 32 on both sides are pivoted in the front part of the machine casing 30, and a conveyance chain 33 is installed in the rear part. 34,3
Reference numeral 5 denotes operation handles on both sides that are attached to the center and one side of the machine casing 30 so as to be adjustable in vertical movement. The front-back mounting tube 36 provided on the side of the bottom surface 1 of the machine casing 30 is rotatably fitted onto the horizontal shaft 10, and the central portion is attached to the tip of the suspension spring 29, and the windmill of the blower 7 is attached. The shaft and the power intake shafts of the rotary blade 32 and the conveyance chain 33 are connected by a transmission mechanism.

37 is a pressure-feeding duct that communicates the outlet of the blower 7 with the inlet of the take-out gutter 31, 38 is a blow-up duct whose base end is connected to the outlet of the take-out gutter 31, and 39 is a leaf bag, which is housed in a cylindrical body at its mouth edge. Pass the rubber string 40 through. Then, the leaf bag 39 is fitted into the upper bag frame 14, and the upper part of the rubber string 40 is hooked to the bag hanging pieces 13 on both sides, and the lower part is hooked to the bag hanging hook pieces 15, respectively, and the leaf bag 39 is hung. It is attached by being hung across the upper and lower bag frames 14 and 16, and the tip of the blow-up duct 38 is exposed in the opening thereof.

Next, its effect will be explained. The vehicle body a is placed over the tea ridges, and the wheels 2, 4, and 24 are placed between the tea ridges on both sides, and then the handle 28 of the hoist 27 is moved to one side or the other depending on the height of the tea plants in the tea ridges. It rotates in the other direction, raises or lowers the reaper b via the spring 29, and adjusts the ground height of the reaper b relative to the upper surface of the tea ridge.

Therefore, when the operator grasps the operating handles 34 and 35 and starts operating the machine, the machine moves forward at an appropriate low speed due to the driving action of the wheels 2, and the machine casing 3
Stroke the top surface of the brown ridge with the bottom of 0, and touch 1 on the top of the brown ridge.
The tea leaves on the side half are picked by a rotary blade 32 according to the shape and unevenness of the upper surface, and the picked tea leaves are placed in the machine casing 3.
The leaves are pushed into the leaf collection bag 39 by the conveyance chain 33, transferred to the 1 side by the conveyance chain 33, enter the takeout gutter 31, and are blown into the leaf collection bag 39 through the blow-up duct 38 by the air blown from the blower 7. stored.

Therefore, when the leaf bag 39 is full of tea leaves to a certain extent and the leaf bag 39 is to be replaced with an empty leaf bag, the driver, in the operating position, (1) From the state shown, first, the handle 18
The handle 18 can be removed from the lower recess of the support plate 20 by grasping it and operating it toward the 1 side, using the pin 19 as a fulcrum to rotate it toward the 1 side, and then lifting it up against the elasticity of the spring 22. Upper bag frame 14 with
rotates counterclockwise in FIG. 4 using the support shaft 11 as a fulcrum and tilts backward and downward, so that during the rotation, the opening edge of the leaf bag 39 touches the upper corner of the rear end of the frame 1. When passing, the bag hanging piece 13 of the upper bag frame 14 moves forward of the rear edge of the frame 1 and comes off from the leaf bag 39. Therefore, the leaf bag 39 automatically slides on the upper bag frame 14 due to its own weight and comes out of it, while the leaf bag 39 slides off the upper bag frame 14 automatically due to its own weight.
It also comes off from the bag hanging hook piece 15 and falls to the ground.

At this time, if it is necessary to support the upper bag frame 14 with the handle 18, the handle 18 is operated to the opposite side and rotated to the other side using the pin 19 as a fulcrum, as shown in FIG. Support plate 20
When inserted into the upper recess A, the upper bag frame 14 with the handle 18 can be locked in a backward and downwardly inclined state.

(2) After that, when the handle 18 is lowered moderately and operated to the other side and inserted into the intermediate recess RO of the support plate 20 as shown in FIG. The upper bag frame 14 is raised by rotating clockwise in FIG.

(3) Next, in the above state shown in FIG. 6, if the handle 18 is lowered greatly and pushed up backwards, the handle 18 and the upper and lower bag frames 14, 16 are in an integrated state and the support shaft 11 is used as a fulcrum and the sixth The upper bag frame 14 is rotated approximately half a turn clockwise in the figure and then reversed, and the upper bag frame 14 rests on the stopper 23 as shown in FIG. 7. Then, the driver operates the empty leaf bag 39' in the same manner as described above, and as shown in FIG.
Hook the upper bag frame 14, 16 on the bag hanging piece 13.
Attach it by hanging it across it.

(4) Then, when the handle 18 is pulled down and lifted forward and upward, the handle 18 and the upper and lower bag frames 1
4 and 16 remain in an integrated state, rotate approximately half a turn counterclockwise in FIG. 7 using the support shaft 11 as a fulcrum, and then reverse
The bag hook piece 15 of the lower bag frame 16 comes into contact with the rear edge of the frame 1 and returns to the state shown in FIG. 6.

(5) Next, operate the handle 18 to the 1 side to remove it from the middle recess B of the support plate 20, then lower it slightly and operate it to the other side and insert it into the lower recess C of the support plate 20. , the upper bag frame 14 with the handle 18 rotates clockwise in FIG. 6 about the support shaft 11, and the leaf bag 39' is suspended by the upper bag frame 14 so that it can be stored normally as shown in FIG. The leaf bag is attached.

Therefore, when the machine is restarted after that,
Can perform plucking work.

Note that the upper recess A of the support plate 20 does not necessarily need to be provided.

Since the present invention has the leaf bag changing device for a self-propelled tea picker configured as described above, the driver himself/herself can rotate the upper and lower bag frames upward or downward as appropriate by operating the handle in the operating position. By doing so, a leaf bag filled with tea leaves to a certain extent automatically falls to the ground, and then an empty leaf bag can be attached to the bag to restore the normal installation condition, making it possible to replace the leaf bag. This can be done easily and quickly, which is convenient for handling, and also improves work efficiency by saving time and labor required for replacing leaf bags.

Furthermore, when attaching an empty leaf bag to the upper and lower bag frames, the bag frames are suitably low, making it easy to attach the bag, and when the bag is moved backwards after being attached, the leaf bag The bag does not come off from the upper and lower bag frames, and its attachment is reliable, and it has a simple structure and can be manufactured easily and inexpensively, and its operation is light and smooth.

[Brief explanation of drawings]

FIG. 1 is a side view of a self-propelled tea picker showing one embodiment of the present invention, with one part cut away. Figure 2 is a front view of the same as above, Figure 3 is a plan view of the main parts, Figures 4 to 7 are side views explaining the leaf bag replacement work, and Figure 4 is the leaf bag installed correctly. Fig. 5 shows the state when removing a leaf bag that is full of tea leaves to a certain extent, and Fig. 6 shows the state before the upper and lower bag frames are flipped forward, and after attaching an empty leaf bag. Fig. 7 shows the state when the bag frame is returned to the rear, and Fig. 7 shows the state when an empty leaf collecting bag is attached. a... Gate-shaped vehicle body, 1... Drive side frame, 11
...Spindle, 13...Bag hanging piece, 14...Upper bag frame, 15...Bag hanging hook piece, 16...Lower bag frame, 18...Operation handle, 20...Handle support plate, A, B , C... recess, 23... bag frame stopper.

Claims (1)

[Claims] 1 A support shaft is installed horizontally on the rear part of the drive side frame on the 1 side of the gate-type vehicle body, and on the support shaft, there is a U-shaped support shaft that is wider than the frame and has bag hanging pieces protruding from the bases of both sides. The base end of the upper bag frame and the base end of the lower bag frame provided with a bag hook piece at the tip are rotatably fitted, and an operating handle is placed in front of the base end of one side of the upper bag frame, and At the front of the base of one side of the bag frame, a handle support plate having at least two recesses on the edge of one side is installed almost along the base, and the operation handles are alternately inserted into the recesses at multiple places on the handle support plate. A leaf bag changing device for a self-propelled tea picker, characterized in that the bag can be inserted into a tea plant and held therein, and a bag frame stopper is provided on the frame and projects forward from the support shaft.