JPH033146Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention relates to a leaf bag replacement device for a self-propelled tea plucking machine that attaches and detaches the leaf bag to the bag frame of the self-propelled tea plucking machine. be.

(Prior art) In the conventional self-propelled tea picking machine of this type, as described in Japanese Patent Publication No. 18416/1983, a bag frame is fixed to the rear of the vehicle body and the bags are stored in the frame. Attaching leaf bags.

(Problems to be solved by the invention) The leaf bag attaching device in the conventional self-propelled tea picking machine described above has the following problems when replacing the leaf bag:
Even if the operator tries to do this, he cannot reach the leaf bag from his operating position, and in the middle of the tea row, even if the operator tries to go to the rear of the machine, the leaves on both sides cannot be reached. It is difficult to get to the rear of the machine because the ridges and car body get in the way.

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. I have 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. There is a problem with this.

(Means for solving the problem) Therefore, this invention saves valuable time for the operator, and also allows the operator to easily replace the leaf bag at the operating position. In order to solve the above problem, a support shaft 2 is horizontally mounted on the rear part of the drive side frame 1 on one side of the gate-type vehicle body a, and the support shaft 2 has a width wider than the frame 1, and a support shaft 2 on both sides. The base end of a U-shaped upper bag frame 4 having a bag hook piece 3 protruding from the base thereof and the base end of a lower bag frame 6 having a bag hook piece 5 at its tip are rotatably fitted. An operation handle 7 is pivotally attached to the front of one side base end of the upper bag frame 4 by a pin 8 so as to be rotatable left and right, and a plurality of operation handles 7 are mounted in front of the one side base of the lower bag frame 6 along the side edge thereof. The engagement recesses A and B are provided to fix the handle support plate 10 to which the handle 9 is attached, and the operation handles 7 are alternately attached to the handle support plate 10.
A bag frame stopper 11 is provided on the frame 1 and protrudes forward from the support shaft 2, so that the bag frame stopper 11 can be fitted into and held in the plurality of engagement recesses A and B, and
The leaf bag 12 is replaceably fitted into the upper bag frame 4,
The mouth edge to which the rubber string 13 is attached is hooked onto the bag hanging piece 3 of the upper bag frame 4 and the bag hanging hook piece 5 of the lower bag frame 6.

(Example) To explain the structure of an embodiment of this invention shown in the drawings, a indicates a gate-shaped vehicle body that straddles the tea ridges of a self-propelled tea plucking machine, and 1 indicates a drive unit on one side of the vehicle body a. The side frame has a drive gear 14 pivoted on its rear part, a front wheel 16 with a steering handle 15 attached to its front part pivotably supported, and front and rear vertical rods 17, 17 are provided in the middle part. A prime mover 18 and a blower 19 are mounted, and the driving shaft of the prime mover 18 and the windmill shaft of the blower 19 are connected to connect the windmill shaft of the blower 19 and the drive wheel 1.
4 is connected to the axle of No. 4 through a transmission mechanism with a speed reducer 20 interposed therebetween. Reference numeral 21 denotes a lifting platform attached to the vertical rods 17, 17 so as to be able to move up and down, and a horizontal shaft 22 directed forward is provided at the lower end of the platform.

Reference numeral 2 denotes a support shaft horizontally suspended on both side bearings 23 on the rear part of the frame 1. The support shaft 2 has a U-shaped support shaft which is wider than the frame 1 and has bag hanging pieces 3 protruding from the bases of both side pieces. The base end of the upper bag frame 4 and the base end of the lower bag frame 6 provided with the bag hanging hook piece 5 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 4. Fix the shape receiver 24 and attach the operating handle 7 to it.
The base of the handle support plate 10 is fitted with a vertical pin 8 so as to be rotatable left and right, and the rear leg 25 of the handle support plate 10 is fixed to the base of one side of the lower bag frame 6 almost along the base of the lower bag frame 6. A vertically elongated hole 26 with engaging recesses A and B provided in the middle and lower part of one side edge is bored, a handle 9 is attached to the upper part, and the operating handle 7 is inserted into the vertically elongated hole 26 and operated to the other side. Engage and hold in appropriate recesses in engaging recesses A and B. A bag frame stopper 11 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 2.

Reference numeral 27 denotes a side wheel rotatably supported on the other side leg of the vehicle body a, and 28 a support rod rotatably fitted into the vertical tube 29 at the middle of the horizontal rod of the vehicle body a, with a hoist at its tip. Install 30. 31 is a handle of the hoist 30, and 32 is a suspension spring.

b shows a rotary type reaper located approximately in one half of the vehicle body a, and 33 is a horizontally elongated 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 take-out gutter 34 is provided protruding from the rear side,
The rotary blades 35 on both sides are pivoted in the front part of the machine casing 33, and a conveyance chain 36 is installed in the rear part. 37,3
Reference numeral 8 denotes operation handles on both sides, which are attached to the center and one side of the machine casing 33 so as to be vertically adjustable. A mounting tube 39 in the longitudinal direction provided on one side of the bottom surface of the machine casing 33 is rotatably fitted to the horizontal shaft 22, and the central portion is attached to the tip of the suspension spring 32, and the windmill of the blower 19 is attached. The shaft and the power intake shaft of the rotary blade 35 and the conveyance chain 36 are connected by a transmission mechanism.

40 is a pressure-feeding duct that communicates the outlet of the blower 19 with the inlet of the take-out gutter 34; 41 is a blow-up duct whose base end is connected to the outlet of the take-out gutter 34; 12 is a leaf bag;
A rubber string 13 is passed through the cylindrical body at the mouth edge. Then, the leaf bag 12 is fitted into the upper bag frame 4, and the upper part of the rubber string 13 is hooked to the bag hanging pieces 3 on both sides, and the lower part is hooked to the bag hanging hook pieces 5, respectively.
are attached by hanging them across the upper and lower bag frames 4 and 6, and the tip of the blow-up duct 41 is exposed in the opening.

Next, its effect will be explained. The vehicle body a is placed over the tea ridges and the wheels 14, 16 and 27 are placed between the tea ridges on both sides, and then the handle 31 of the hoist 30 is moved to one side or the other as appropriate depending on the height of the tea plants in the tea ridges. The height of the reaper b relative to the upper surface of the tea furrow is adjusted by rotating the reaper b to raise or lower it via the spring 32.

Therefore, when the operator grasps the handles 37 and 38 and starts operating the machine, the machine moves forward at an appropriate low speed due to the driving action of the wheels 14, and the machine casing 33
The upper surface of the tea ridge is stroked with the bottom surface of the tea ridge, and the tea leaves are picked from one half of the upper surface of the tea ridge by the rotary blade 35 according to the shape and unevenness of the upper surface, and the picked tea leaves are placed in the machine casing 33.
The leaves are pushed into the inside, transferred to one side by the conveying chain 36, enter the take-out gutter 34, and are blown into the leaf collection bag 12 by the blowing air from the blower 19 through the blow-up duct 41, where it is stored. be done.

Therefore, when the leaf bag 12 is full of tea leaves to a certain extent and the bag 12 is to be replaced with an empty bag, the driver, in the operating position, (1) From the state shown, first grasp and lightly support the handle 7 and operate it to one side, rotate it to one side using the pin 8 as a fulcrum, and remove it from the lower recess RO of the support plate 10. Due to the weight of the upper bag frame 4, the upper bag frame 4 with the handle 7 is attached to the support shaft 2.
It rotates counterclockwise in Fig. 4 using the fulcrum as a fulcrum and tilts backward and downward.

Therefore, during the rotation, the leaf bag 12
When the mouth edge of the frame 1 passes through the upper corner of the rear end of the frame 1, the bag hanging piece 3 of the upper bag frame 4 moves forward of the rear edge of the frame 1 and comes off from the leaf bag 12. Therefore, the leaf collection bag 12 automatically slides on the upper bag frame 4 due to its own weight and comes off from it, and also comes off the bag hanging hook piece 5 of the lower bag frame 6 and falls to the ground.

At this time, even if the handle 7 is released, the handle 7 hits the upper end of the elongated hole 26 of the support plate 10, and the upper bag frame 4 with the handle 7 is held in a backward and downwardly inclined state as shown in FIG. be done.

(2) After that, lower the handle 7 appropriately, rotate the upper bag frame 4 with the handle 7 in the clockwise direction in FIG. 8 as a fulcrum and rotated to the other side and fitted into the intermediate recess A of the support plate 10, the upper bag frame 4 will rise as shown in FIG.
The bag hanging piece 3 protrudes above the frame 1 and is locked.

(3) Next, in the above state shown in FIG. 6, if the handle 7 is lowered greatly and pushed up backwards, the handle 7 and the upper and lower bag frames 4, 6 remain integrated, and the support shaft 2 is used as the fulcrum, and the 6th The upper bag frame 4 is rotated approximately half a turn clockwise in the figure and then reversed, and the upper bag frame 4 rests on the stopper 11 as shown in FIG.

Then, the driver operates the empty leaf bag 12a in the same manner as described above, and as shown in FIG.
bag hanging hook piece 5 and bag hanging piece 3 of the upper bag frame 4
Attach it by hanging it over the upper and lower bag frames 4 and 6.

(4) After that, when the handle 7 is pulled down and lifted forward and upward, the handle 7 and the upper and lower bag frames 4 and 6 remain in an integrated state, and rotate approximately half a turn in the counterclockwise direction as shown in Fig. 7, using the support shaft 2 as a fulcrum. Then, the bag hook piece 5 of the lower bag frame 6 hits the rear edge of the frame 1, and the bag returns to the state shown in FIG. 6.

(5) Next, while holding the handle 9 and supporting the lower bag frame 6 with the support plate 10, operate the handle 7 to one side to remove it from the middle recess A of the support plate 10, and then push it down slightly. The upper bag frame 4 with the handle 7 is appropriately rotated clockwise in FIG. 6 about the support shaft 2 against the elasticity of the rubber string 13 of the leaf bag 12. After that, by operating the pin 8 to the other side and inserting it into the lower recess RO of the support plate 10, the leaf bag 12a is suspended by the upper bag frame 4, as shown in FIG. The leaf bag is installed normally as shown in the figure below.

Therefore, when the operation of the machine is restarted thereafter, the plucking operation can be performed.

(Effects of the invention) This invention has the following remarkable effects because the leaf bag replacement device in the self-propelled tea picker is configured as described above.

(1) The operator, in the operating position, operates the handle and rotates the upper and lower bag frames upwards or downwards as appropriate, and the bag, which is full of tea leaves, is automatically placed on the ground. After that, the empty leaf bag can be attached to the normal mounting state, and the leaf bag can be replaced easily and quickly, which is convenient for handling. Improve work efficiency by reducing time and effort.

(2) When attaching empty leaf bags to the upper and lower bag frames, the bag frames are suitably low so that it is easy to attach the bag, and when the bag is moved to the rear after being attached, The leaf bag does not come off from the upper and lower bag frames, and its attachment is reliable.

(3) Since a handle is provided on the support plate fixed to the lower bag frame, after attaching an empty leaf bag and moving it backwards, the handle of the upper bag frame is attached against the elasticity of the rubber string of the leaf bag. When pressing down to raise the upper bag frame and place the empty leaf bag into the normal installation state, grasp the above handle to firmly support the lower bag frame with support plate, and operate the handle smoothly and accurately. The upper bag frame can be operated, and the operation can be done easily and quickly without requiring much effort from the operator, which is convenient for the work.

(4) The structure is simple, it can be manufactured easily and inexpensively, and its operation is light and smooth.

[Brief explanation of the drawing]

FIG. 1 is a side view of a self-propelled tea picker according to an embodiment of this invention, with a portion 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 illustrating the leaf bag replacement work, and Figure 4 shows the leaf bag installed correctly. Fig. 5 shows the state when removing a leaf bag that is filled with 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. FIG. 8 is an enlarged perspective view of the handle support plate portion. a... Gate-shaped vehicle body, 1... Drive side frame, 2...
...Spindle, 3...Bag hanging piece, 4...Upper bag frame, 5...
...Bag hook piece, 6...Lower bag frame, 7...Operation handle, 8...Pin, A, B...Engagement recess, 9
... Handle, 10 ... Handle support plate, 11 ... Bag frame stopper, 12 ... Leaf bag, 13 ... Rubber string.

Claims (1)

[Scope of utility model registration request] A support shaft is installed horizontally on the rear of the driving frame on one side of the gate-shaped vehicle body, and on the support shaft, there is a U-shaped upper part that is wider than the frame and has bag hanging pieces protruding from the bases of both sides. The base end of the bag frame and the base end of the lower bag frame with a bag hanging hook piece provided at the tip are rotatably fitted, and the operating handle is attached to the front of the base end on one side of the upper bag frame by means of a pin. The lower bag frame is rotatably mounted, and a plurality of engagement recesses are provided in the front of one side base of the lower bag frame and along the side edge thereof, and a handle support plate to which a handle is attached is fixed, and the above-mentioned operation can be carried out. The handles can be held alternately by fitting into the multiple engagement recesses of the handle support plate, and a bag frame stopper is provided on the above frame that protrudes forward from the support shaft, allowing the leaf bag to be replaced. A harvested leaf bag for a self-propelled tea picking machine, which is fitted into an upper bag frame, and its mouth edge to which a rubber cord is attached is hooked to a bag hook piece of the upper bag frame and a bag hook piece of the lower bag frame. Replacement device.