JP3746452B2 - Spare seedling storage device for riding type rice transplanter - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention has a seedling planting device connected to a rear portion of a traveling machine body provided with a driving unit so as to be movable up and down, and the traveling machine body is provided with a spare seedling storage unit with a plurality of upper and lower seedling mounting shelves. The present invention relates to a spare seedling storage device for a riding rice transplanter.
[0002]
[Prior art]
As the preliminary seedling storage device, as shown in, for example, Japanese Utility Model Publication No. 2-32006, a preliminary seedling storage unit is connected across a pair of front and rear columns supported by a traveling machine body so as to be swingable back and forth. By placing the support in a standing posture, the upper and lower multi-stage seedling shelves approach the operating section and become horizontal in the front-rear direction, and the spare seedlings are taken out from the seedling placing shelves and supplied to the seedling planting device It becomes easier to replenish seedlings from the driving department. By tilting the support to the front side of the aircraft, each seedling shelf moved more forward than during planting work, making it easier to bring the seedling shelf closer to the cocoon.
[0003]
[Problems to be solved by the invention]
In the above-described conventional spare seedling storage device, each seedling mounting shelf is in a horizontal posture in the front-rear direction even when the seedling mounting shelf is moved forward to perform seedling loading. In this kind of reserve seedling storage device, the seedling is lowered as the seedling placing shelf moves forward, so that the seedling is loaded onto the seedling placing shelf on the lower side from the uppermost position which is located at a higher level than the field scene. When doing so, the seedling rack was lowered, making it difficult to put the seedling on the shelf.
[0004]
An object of the present invention is to provide a spare seedling storage device for a riding type rice transplanter that can be easily supplied to a seedling planting device from a spare seedling storage unit in a driving unit or loaded into a seedling storage device. There is.
[0005]
[Means for Solving the Problems]
The configuration, operation, and effect of the invention according to claim 1 are as follows.
[0006]
[Constitution]
Riding type rice planting which is connected to a rear part of a traveling machine body provided with a driving part so that a seedling planting device can be moved up and down freely, and is provided with a spare seedling container having a plurality of upper and lower seedling racks on the traveling machine body. In the spare seedling storage device of the machine,
The support for the spare seedling storage part is attached to the traveling machine body so as to be swingably switchable between an upright position standing on the lateral side of the front part of the traveling machine body and an inclined posture inclined from the standing position to the front side of the machine body. The spare seedling storage part is connected to the column so that the posture can be freely changed,
When the strut is switched to the standing posture, the spare seedling storage unit is connected to the strut in a connected posture that makes each seedling placing shelf a horizontal posture in the longitudinal direction of the aircraft, and when the strut is switched to the inclined posture, The spare seedling container is automatically connected to the support column in accordance with the swinging of the support column so that the seedling storage unit is connected to the support column in a connected position in which each seedling mounting shelf is inclined upward. A posture changing means for changing,
An unequal side quadruple link mechanism for changing the posture of the preliminary accommodating portion is configured by the preliminary accommodating portion, a pair of front and rear columns supporting the front and rear of the preliminary seedling accommodating portion, and a traveling machine body between the front and rear columns. The unequal side quadruple link mechanism is the posture changing means,
Engagement of the preliminary seedling receiving portion and the support in the vehicle body lateral direction so as to suppress relative movement of the spare seedling storage portion in the vehicle lateral direction with respect to the support when the support is switched to the standing posture. The coupling means is provided in a non-engaged state in the vertical direction of the vehicle body so as to allow relative movement in the vertical direction of the vehicle body between the support column and the spare seedling storage part .
[0007]
[Action]
When the support is swung back and forth, the reserve seedling storage unit moves back and forth. When the support is in the upright position, the reserve seedling storage unit operates more than in the inclined position. When approaching the part and the support column is in the inclined posture, the reserve seedling accommodating portion is located on the front side of the machine body as compared with the case of being in the standing posture. When the support is swung back and forth, the connection posture of the spare seedling storage part with respect to the support is changed by the posture changing means, and when the support is in the standing posture, the standby seedling storage part is connected to the support with the support. Each seedling shelf is in a horizontal position in the front-rear direction of the machine body in the posture, and when the support column is in the inclined posture, the reserve seedling container is in the connection posture with respect to the support column, and each seedling storage shelf Is a front-side uphill inclination posture.
Thereby, by switching the support column to the standing posture, each seedling mounting shelf can be brought close to the operation unit and kept in a horizontal posture in the front-rear direction, and by switching the support column to the inclined posture, each seedling mounting shelf Can be moved to the front side of the fuselage and can be in a front-up position.
[0008]
[effect]
Therefore, when carrying out the planting work, each seedling placing shelf is brought close to the driving unit and is kept in a horizontal posture in the front-rear direction so that the seedlings can be replenished even when in the driving unit. It can be easily removed from the shelf and easily performed.
When loading the spare seedlings into the spare seedling storage unit, each seedling placing shelf is moved forward than in the work and is set to the front rising position so that the seedling placing shelf can be easily brought close to the cocoon, and the seedling placing shelf on the lower side is also placed on the seedling placing shelf. Can be easily inserted and loaded easily and efficiently.
[0009]
[0010]
[0011]
[Action]
When the support swings back and forth, due to the unequal side quadruple link mechanism consisting of the support and the spare seedling storage unit, the connection posture of the standby seedling storage unit to the support column changes, and each seedling mounting shelf is leveled by the driving unit. The posture is such that the front side is inclined upward.
[0012]
[effect]
Therefore, it is possible to easily change the posture of the seedling rack by simply combining the struts and the spare seedling accommodating portion so as to constitute the unequal side quadruple link mechanism, which is advantageous in terms of economy.
[0013]
[0014]
[0015]
[0016]
[0017]
The structure, operation, and effect of the invention according to claim 2 are as follows.
[0018]
[Constitution]
In the configuration of the invention according to claim 1, a column lock mechanism that locks the column in the standing posture and the inclined posture is provided, and the column lock mechanism is switched to the unlocking side by a release pedal.
[0019]
[Action]
If the load due to the spare seedling storage part or seedlings loaded on it is applied to the support lock mechanism, the support lock mechanism will not come off easily. It is possible to switch the support lock mechanism to the lock release side by operating the release pedal with the foot while preventing the lock from being applied.
[0020]
[effect]
Therefore, when performing the movement operation of the reserve seedling storage unit, the support can be quickly and easily released by lightly unlocking the support.
[0021]
The structure, operation, and effect of the invention according to claim 3 are as follows.
[0022]
[Constitution]
In the configuration of the invention according to claim 1 or 2 , an erection urging means for applying an erection operation force to the column is provided.
[0023]
[Action]
When the column is operated to the standing side, the standing operation force is applied by the standing biasing means, and the standing operation can be performed while lightening the human operation force.
[0024]
[effect]
Therefore, when returning the spare seedling storage part to which the seedling has been loaded to the operating part, even if it is heavy for the seedling, it can be operated relatively easily with the help of the standing urging means.
[0025]
DETAILED DESCRIPTION OF THE INVENTION
As shown in FIG. 1, a pair of left and right steering operations and a driveable front wheel 1, a pair of left and right driveable rear wheels 2, a prime mover 3 located at the front end of the body, and located behind the prime mover 3. A seedling planting device 7 is connected to a rear end portion of a body frame 5 of a traveling machine body having a boarding type driving unit 10 having a driver seat 11 and the like via a link mechanism 6, and the link mechanism 6 and the body frame 5 are connected. It is configured such that the link mechanism 6 is swung up and down with respect to the body frame 5 by a hydraulic lift cylinder 9 that is connected to the body frame 5, and the seedling planting device 7 is moved up and down, and is located in the driving section 3. By configuring the engine output to be transmitted to the seedling planting device 7 by the rotary shaft 8, and by causing the seedling planting device 7 to move to a lowered position where the grounding float 7b contacts the mud in the field, Seedling planting device 7 By a plurality of seedling planting mechanism 7a arranged in the horizontal direction as will the seedlings planted in the field have configured riding rice transplanter.
[0026]
As shown in FIGS. 1 and 2, a spare seedling storage device having a plurality of upper and lower seedling placing shelves 21 is provided on both lateral sides of the driving unit 3 of the traveling machine body. The left and right spare seedling storage devices are configured in the same manner, and each of the preliminary seedling storage devices is configured as follows.
[0027]
That is, as shown in FIG. 1 and the like, the reserve seedling storage device is a column made of a pipe material having a lower end connected to the front side of a driving unit frame 13 provided so that the traveling machine body supports the floor 12 of the driving unit 10. 31, a support column 32 made of a pipe member whose lower end side is connected to the rear side of the operating unit frame 13, and a plurality of upper and lower synthetic resin seedling placing shelves 21 are supported by a pair of front and rear shelves of a shelf support frame 22. And a preliminary seedling accommodating portion 20 attached over the portion 22a.
[0028]
As shown in FIGS. 3 and 5, the lower end side of the front strut 31 and the lower end side of the rear strut 32 of the pair of front and rear struts 31, 32 are connected to the operating portion frame 13 at the lower end of the pipe material. The support pillars 33 and 34 provided with fixed sides are connected to the upper end sides of the support pillars 33 and 34 by connecting pins 35 and 36 so that the front support 31 and the rear support 32 can be connected to the traveling machine body. The connecting pins 35 and 36 are attached so as to swing back and forth around the axial cores 35a and 36a facing the machine body.
[0029]
The shelf support frame 22 of the reserve seedling storage unit 20 is bent and formed so that both ends thereof are the shelf support portions 22a and an intermediate portion is a connection portion 22b that connects upper end portions of both shelf support portions 22a. One round pipe member and a connecting rod 23 made of a round bar connected across the ends of the round pipe member so as to prevent the lower ends of the two shelf support portions 22a from being opened. The upper end side of one shelf support portion 22a is connected to the upper end side of the front column 31 so as to be relatively rotatable by the connecting pin 24, and the upper end side of the other shelf support portion 22a is connected to the upper end side of the rear column 32. By connecting to the upper part of the shelf support frame 22, the spare seedling container 20 is connected across the upper ends of the front column 31 and the rear column 32, Both the front column 31 and the rear column 32 are connected so as to be relatively rotated around the axial cores 24a, 25a of the connecting pins 24, 25 facing the machine body.
[0030]
From the shaft core 36a as a connection point that is rotatably connected to the column support part 34 of the rear column 32, as a connection point at which the preliminary seedling container 20 is relatively rotatably connected. From the shaft core 35a as a connection point where the linear distance to the shaft core 25a is rotatably connected to the column support portion 33 of the front column 31, the preliminary seedling storage unit 20 is relatively rotatable. It is comprised so that it may become smaller than the linear distance to the said shaft center 24a as a connection point connected to the driving | running | working body frame 13, the pair of front and rear support columns 31, 32, and the spare seedling container 20 constitutes an unequal side quadruple link mechanism L.
[0031]
In other words, the front and rear support columns 31 and 32 can be interlocked to swing in the longitudinal direction of the machine body. By performing this swinging operation, the front and rear support columns 31 and 32 are rear-supported as shown in FIG. An attitude determination member 37 attached to the lower end side of 32 abuts on the support column support 34 and stands on the lateral side of the driving unit 3, and the connecting pin 35 of the front support column 31 as shown in FIG. And the gas damper 40 attached over the support pin 38 of the rear column 32 switches to the forward tilted posture shortened to the limit. If the front and rear struts 31 and 32 are swung, the reserve seedling storage part 20 is attached to the upper end side of the front and rear struts 31 and 32 and moves in the longitudinal direction of the machine body due to the action of the unequal side quadruple link mechanism L. When the connection posture of the preliminary seedling storage unit 20 with respect to the front and rear support columns 31 and 32 automatically changes as the support columns 31 and 32 swing, and the front and rear support columns 31 and 32 are set to the upright position, the reserve seedling storage is performed. The part 20 is positioned on the side of the driving part 3 and all the seedling shelves 21 are placed in a horizontal posture in the longitudinal direction of the machine body so as to accommodate the seedlings. In this case, the reserve seedling container 20 is in a position moved to the front side of the machine as compared with the case where the supporter stands upright, and all the seedling shelves 21 are set in a mounting posture for loading seedlings in an upwardly inclined posture. It is comprised so that it may become.
[0032]
As shown in FIG. 8 and the like, a lock rod 52 having one end rotatably connected to the connecting pin 35 of the front column 31 and a release pedal 51 on the other end, and the lock rod 52 By means of a lock spring 54 attached over the free end side and a spring hook 53 provided on the rear support 32 and a lock pin 55 attached to the end of the posture determining member 37, the front and rear support 31, A column lock mechanism 50 is configured to lock 32 to the standing posture or the forward leaning posture.
That is, as shown in FIG. 8 (a), when the rear support 32 is switched to the standing posture, the lock rod 52 is moved to the second position because of the rocking force of the lock rod 52 by the lock spring 54. One of the cutouts 52a and 52b is caught by the lock pin 55. As shown in FIG. 8 (b), when the rear support 32 is switched to the forward tilted position, the lock rod 52 is urged by the lock spring 54 to oscillate the lock rod 52. Is caught by the lock pin 55. Then, in any case, the column lock mechanism 50 supports the front and rear columns 31, 32 in a standing posture or a forward tilted posture by supporting the rear column 32 in a standing posture or a tilted posture by the lock rod 52. It will be locked to lock.
Regardless of whether both the columns 31 and 32 are locked in the standing posture or the forward leaning posture, when the release pedal 51 is depressed, the lock rod 52 swings downward against the lock spring 54 to lock the lock pin. Deviate from 55. Thereby, the support | pillar lock mechanism 50 will be in a lock release state so that the front and back support | pillars 31 and 32 can be rock | fluctuated.
[0033]
The gas damper 40 includes a rod whose one end is connected to the connection pin 35 of the front column 31 so as to be relatively rotatable, and the rod is slidably inserted and the connection pin 38 of the rear column 32. The tube is connected to one end of the tube so as to be relatively rotatable, and the gas is configured to urge the rod to protrude from the tube and fill the inside of the tube. By swinging and biasing to the side, a standing operation force is applied to the front and rear support columns 31 and 32.
[0034]
As shown in FIG. 5 and the like, a moving guide 41 is attached between the front and rear support columns 31 and 32. As shown in FIG. 7, the moving guide 41 is provided between the two end portions so that one end side is a mounting flange portion 42 along the front-rear direction of the body and the other end side is a guide rail portion 43 along the front-rear direction of the body. It is made of a single round bar bent into an elongated U shape so that the opening 44 can be formed. One end side of the attachment collar portion 42 is fixed to the rear column 32 by the connecting pin 45 , and the other end side is the movement guide 41. The front column 31 and the rear side are connected to the front column 31 by a connecting pin 47 which is configured to be slidably inserted into the long hole 46 and fixed to the front column 31. When the preliminary seedling storage unit 20 moves back and forth when the front and rear support columns 31 and 32 swing between the standing posture and the forward tilting posture, the shelf support of the preliminary seedling storage unit 20 is supported. Shelf on the back side of the frame 22 The holding part 22a moves between the guide rail part 43 and the attachment hook part 42, and the shelf support part 22a on the front side of the shelf support frame 22 of the reserve seedling storage part 20 is between the guide rail part 43 and the attachment hook part 42. It is configured to enter and exit from. That is, if the preliminary seedling storage unit 20 swings in the lateral direction of the machine body with respect to the front and rear support columns 31 and 32 around the connection point to these, the front and rear shelf support portions 22a of the shelf support frame 22 are guided rails. It moves while contacting the part 43. Accordingly, the movement guide 41 causes the guide rail portion 43 to receive and act on the lower end side of the seedling rack support frame 22 of the preliminary seedling storage unit 20 from the lateral direction of the machine body, and the guide seedling unit 43 rolls the preliminary seedling storage unit 20 sideways. Guide to move back and forth while supporting it so that it is difficult to do.
[0035]
That is, the left and right spare seedling storage devices can perform the following operations when loading the spare seedlings and storing the loaded seedlings.
When loading the spare seedlings, the front and rear struts are held on the floor 12 of the operation unit 10 and have a fixed handle 39 as shown in FIG. 6 provided with a bent round bar attached to the upper end side of the rear strut 32. 31 and 32 are swung from the standing posture to the front side of the machine body and switched to the forward leaning posture. Then, as shown in FIG. 4, each seedling placing shelf 21 of the reserve seedling storage unit 20 moves to the front side of the machine more than at the time of the work and is inclined forward, so that each seedling placing shelf 21 can be easily brought close to the heel. In addition, it becomes easy to insert the spare seedlings from the cocoons into the seedling placement shelves 21. At this time, the front and rear struts 31 and 32 are locked in a forward tilted position by the strut locking mechanism 50, and the spare seedlings are seeded while restraining the support 31 and 32 from swinging in the front-rear direction and swinging the spare seedling storage unit 20. It is inserted into the loading shelf 21. In addition, it is possible to prevent the preliminary seedling storage unit 20 from rolling for receiving by the moving guide 41.
[0036]
When this preliminary seedling loading is finished, the front and rear support columns 31, 32 are swung to the rear side of the machine body and switched to the standing posture. At this time, a standing operation force is applied by the gas damper 40, and the standing operation can be performed while lightening the manipulating operation force. When the front and rear support columns 31 and 32 are in the standing posture, the seedling placement shelves 21 are moved to the rear side rather than the case where the spare seedlings are loaded, and are in a horizontal posture in the front-rear direction at a place near the operation unit 10. The spare seedlings that are positioned and loaded on the seedling placing shelves 21 can be accommodated so that they can be easily taken out from the operation unit 10 and supplied to the seedling placing stand 7c of the seedling planting device 7. At this time, the front and rear struts 31 and 32 are locked in a standing posture by the strut locking mechanism 50, and can travel while restraining the struts 31 and 32 from swinging back and forth, or can take out a preliminary seedling. In addition, it is possible to prevent the preliminary seedling storage unit 20 from rolling for receiving by the moving guide 41.
[0037]
Whether the support posts 31 and 32 are switched from the standing posture to the forward tilting posture or when the support posture is switched from the forward tilting posture to the standing posture, the spare seedling storage unit 20, the support posts 31 and 32, etc. are supported by the hand so The strut lock mechanism 50 can be lightly switched to the unlocking side by operating the release pedal 51 with the foot while preventing the seedling container 20 and the spare seedling from being loaded.
[0038]
As shown in FIGS. 2 and 9, an engine fuel tank 15 is provided below the floor 14 of the operating unit 10 on one side of the machine body. The oil filling port 16a of the fuel cylinder 16 extending from the fuel tank 15 is disposed below the side of the driver seat 11 opposite to the side where the battery 18 is located, and the driver seat 11 is positioned on the front end side thereof. The fuel tank 15 is supplied with fuel by swinging it up and down around the axis of the supporting shaft 11a.
[0039]
A detection switch 19 is provided below the driver seat 11, and this detection switch 19 detects this when the driver seat 11 is lifted and swung, and causes the engine stop device to execute a stop operation based on the detection result. It is configured to output.
That is, when the fuel is supplied to the fuel tank 15, the engine is automatically stopped even if the driver seat 11 is raised while the engine is driven.
[0040]
[Another embodiment]
In addition to adopting the unequal side quadruple link mechanism L as in the above-described embodiment, the spare seedling storage unit 20, the front and rear columns 31, 32, and the operating unit frame 13 constitute an equilateral parallel quadruple link mechanism. At the same time, as the support posts 31 and 32 swing back and forth, the shelf support frame 22 of the reserve seedling storage unit 20 is rotated with respect to the support posts 31 and 32 and the support 31 and 32 of the reserve seedling storage unit 20 is moved. By adopting a gear mechanism or the like provided between the support columns 31 and 32 and the reserve seedling storage unit 20 so as to change the connection posture, the support column 31 of the reserve seedling storage unit 20 with the swinging of the support columns 31 and 32. , 32 may be changed, and the seedling rack 21 may be configured to change into a horizontal posture and a forwardly inclined posture. Therefore, these unequal side quadruple link mechanisms L, gear mechanisms, and the like are collectively referred to as posture changing means L.
[0041]
Instead of the gas damper 40, a spring may be employed, and these are collectively referred to as a standing urging means 40.
[Brief description of the drawings]
[Fig. 1] Side view of the entire riding type rice transplanter [Fig. 2] Plan view of the front of the riding type rice transplanter [Fig. 3] Front view of the reserve seedling storage device [Fig. Side view in the state [Fig. 5] Side view in the seedling accommodation state of the reserve seedling storage device [Fig. 6] Side view in the seedling loading state of the reserve seedling storage device [Fig. 7] ) Shows a case where the column is standing upright, and (b) shows a case where the column is tilted forward.
FIGS. 8A and 8B are side views of the support lock mechanism, where FIG. 8A shows the case where the support is raised and FIG. 8B shows the case where the support is tilted forward.
FIG. 9 is a side view showing an arrangement portion of a fuel tank filling port.
7 Seedling planting device 10 Driving unit 20 Preliminary seedling storage unit 21 Seedling shelves 31, 32 Pillars 40 Standing biasing means 41 Movement guide 50 Strut locking mechanism 51 Release pedal

Claims (3)

Riding type rice planting which is connected to a rear part of a traveling machine body provided with a driving part so that a seedling planting device can be moved up and down freely, and is provided with a spare seedling container having a plurality of upper and lower seedling racks on the traveling machine body. A spare seedling storage device for the machine,
The support for the spare seedling storage part is attached to the traveling machine body so as to be swingably switchable between an upright position standing on the lateral side of the front part of the traveling machine body and an inclined posture inclined from the standing position to the front side of the machine body. The spare seedling storage part is connected to the column so that the posture can be freely changed,
When the strut is switched to the standing posture, the spare seedling storage unit is connected to the strut in a connected posture that makes each seedling placing shelf a horizontal posture in the longitudinal direction of the aircraft, and when the strut is switched to the inclined posture, The spare seedling container is automatically connected to the support column in accordance with the swinging of the support column so that the seedling storage unit is connected to the support column in a connected position in which each seedling mounting shelf is inclined upward. A posture changing means for changing,
An unequal side quadruple link mechanism for changing the posture of the preliminary accommodating portion is configured by the preliminary accommodating portion, a pair of front and rear columns supporting the front and rear of the preliminary seedling accommodating portion, and a traveling machine body between the front and rear columns. The unequal side quadruple link mechanism is the posture changing means,
Engagement of the preliminary seedling receiving portion and the support in the vehicle body lateral direction so as to suppress relative movement of the spare seedling storage portion in the vehicle lateral direction with respect to the support when the support is switched to the standing posture. A spare seedling storage device for a riding type rice transplanter , wherein the joint means is provided in a disengaged state in the vertical direction of the vehicle body so as to allow relative movement of the support column and the preliminary seedling storage portion in the vertical direction of the vehicle body . The riding type rice transplanter according to claim 1 , further comprising a column lock mechanism that locks the column in the standing posture and the inclined posture, and the column lock mechanism is switched to a lock release side by a release pedal. Spare seedling storage equipment. The reserve seedling accommodation device for a riding type rice transplanter according to claim 1 or 2, further comprising an erection urging means for applying an erection operation force to the support column.

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