CN1956651A - Sulky rice transplanter - Google Patents

Abstract

The objective of this invention is to enable the simultaneous and simple operation and stopping of the entire fertilization unit (all fertilization devices). This invention provides a passenger-type rice transplanter, wherein a planting unit is connected to the rear of the traveling section, and a fertilization unit is mounted at the rear of the traveling section. The fertilization unit has fertilization devices corresponding to the planting strips arranged adjacent to each other in the left-right direction. Fertilization outputs of each fertilization device are linked together by an output mechanism drive shaft extending in the left-right direction. The output mechanism drive shaft is linked to the gearbox of the traveling section by a fertilization unit input shaft, enabling each fertilization output to perform a conveying action. A clutch body is provided at the connection between the output mechanism drive shaft and the fertilization unit input shaft, allowing the clutch body to engage and disengage power transmission from the fertilization unit input shaft to the output mechanism drive shaft.

Description

passenger rice transplanter

technical field

The present invention relates to a passenger rice transplanter provided with a fertilization section.

Background technique

In the prior art, as a form of using a rice transplanter, there is a technology in which a planting unit is connected to the rear of the running unit and a fertilizing unit is mounted on the rear of the running unit (for example, refer to Patent Document 1).

Moreover, such a passenger rice transplanter is provided with three unit clutch levers on the side of the driver's seat of the running part, and can use one unit clutch lever to fertilize the rotary planting devices of the two planting parts, the seedling delivery belt and the fertilization part. The drive transmission of the device is turned on and off.

However, in the above-mentioned passenger rice transplanter, one unit clutch lever is linked with the drive transmission of the rotary planting device of the two planting parts, the seedling delivery belt and the fertilization device of the fertilization part, so when only the fertilization operation is suspended For example, when trying to transport seedling mats (mat), when you want to stop all the fertilizing devices, or when planting while moving from seedling field to seedling field, if the seedling field does not need to fertilize, you must sequentially cut off the device. The clutch on the fertilization output body of each fertilization device stops all fertilization devices.

In addition, when the fertilization operation is to be restarted, the disengaged clutches are sequentially turned on so that all the fertilization devices can be operated.

Thus, the operation|work of turning off and turning on the motive power of all the fertilization apparatuses becomes complicated.

Patent Document 1: Japanese Patent Laid-Open No. 2002-347670

Contents of the invention

1) The first embodiment of the present invention is a passenger rice transplanter, the passenger rice transplanter is connected to the planting part behind the running part, and at the same time, the fertilization part is placed on the rear part of the running part; In that: the fertilization part is arranged adjacent to the fertilization device corresponding to the planting bar in the left and right direction, the fertilization output body provided in each fertilization device is connected in linkage through the output mechanism drive shaft extending in the left and right direction, and the fertilization output body is connected through the input shaft of the fertilization part. The drive shaft of the output mechanism is connected in linkage with the gearbox of the running part, so that each fertilization output body can carry out the conveying action; a clutch body is set at the connecting part of the drive shaft of the output mechanism and the input shaft of the fertilization part, and the clutch body can be used for The power transmission from the input shaft to the drive shaft of the output mechanism from the fertilization part is turned on and off.

In this way, since the power transmission from the input shaft of the fertilization part to the drive shaft of the output mechanism can be turned on and off by the clutch body, the operation and stop of the whole fertilization part (all fertilization devices) can be performed simultaneously and simply.

2) In the second embodiment of the present invention, the clutch body is arranged near the immediate rear of the driver's seat, and the driver's seat is arranged on the running part.

In this way, since the clutch body is arranged near the immediate rear of the driver's seat, and the driver's seat is arranged on the running part, the operator sitting on the driver's seat does not need to leave the seat, as long as he stretches his hand backward in a half-body state, he can operate the clutch. body to operate.

3) In a third embodiment according to the present invention, the clutch body is provided with an operation grab piece, and at the same time, the operation grab piece is rotated around an axis in the front-rear direction.

In this way, since the operation grab piece provided on the clutch body is rotated and operated around the axis in the front and rear direction, the operator sitting on the driver's seat only needs to reach out and grab the operation grab piece from the front to the rear in a half-body state. ground rotation operation.

4) According to the fourth embodiment of the present invention, the grip piece for operation is arranged between adjacent fertilizing devices in the left and right directions, and at the same time, viewed from the side, it is arranged behind the front of the fertilizing hopper provided on each fertilizing device. .

In this way, since the operation grab piece is disposed between adjacent fertilizing devices in the left-right direction, and at the same time, viewed from the side, it is disposed at the rear of the front of the fertilizing hoppers of each fertilizing device, so the operator can easily move the fertilizing hopper to the fertilizing hopper. When replenishing fertilizers, etc., it is possible to prevent the operator's legs, etc. from hitting the operating grip, accidentally turning the operating grip, or damaging the operating grip.

On the other hand, the operator can perform the replenishment operation of the fertilizer without paying special attention to the handle for operation.

5) According to the fifth embodiment of the present invention, the grip piece for operation is arranged between adjacent fertilization devices in the left and right directions, and is arranged below the fertilization hopper provided on any one of the fertilization devices in plan view.

In this way, since the operation grab piece is arranged between adjacent fertilizing devices in the left and right directions, and at the same time, viewed from above, it is arranged at the position below the fertilizing hopper provided on any fertilizing device, so when the operator replenishes the fertilizing hopper When using fertilizers, etc., even if the fertilizers, etc. are spilled, the fertilizers, etc. will not fall on the handling grippers, and corrosion around the handling grippers due to the adhesion or fixation of fertilizers can be prevented. As a result, it is possible to secure a good function of the handle for operation.

In addition, since the grip piece for operation can be arranged between adjacent fertilization hoppers in the left and right directions, and can be arranged at a position where it cannot be seen from the outside and above, not only the grip piece for operation can be protected from the Affected by external effects, and can prevent misuse.

Description of drawings

Fig. 1 is a side view of a riding rice transplanter according to the present invention.

Fig. 2 is a front view of a fertilization unit.

Fig. 3 is a side view of the fertilization unit.

Fig. 4 is a front view of the handle for operation.

Fig. 5 is a cross-sectional front explanatory view of the transmission gear case.

Fig. 6 is an explanatory diagram of a cross-sectional top view of the transmission gearbox.

Detailed ways

A shown in Fig. 1 is a passenger rice transplanter related to the present invention, the passenger rice transplanter A connects the planting part 3 to the rear of the running part 1 freely through the lifting link mechanism 2, and simultaneously connects the fertilization part 4 It is placed on the rear of the running board 1.

Like this, in the present embodiment, eight seedlings can be planted on the seedling field by the planting part 3, and simultaneously, the respective sides of the eight seedlings planted can be fertilized by the fertilizing part 4.

Walking portion 1 is as shown in Figure 1, on frame 5, is provided with prime mover portion 6 at the front portion, is provided with driving portion 7 at the rear position of this prime mover portion 6, in addition, below frame 5, is provided with A gearbox 8 is arranged in the middle part, and a pair of left and right front axle boxes 9, 9 are arranged in linkage connection on the left and right sides of the gearbox 8, and the lower ends of each front axle box 9, 9 are linked by front axles 10a, 10a. The front wheels 10, 10, on the other hand, are connected to the front end of the front and rear extension support box 11 at the rear of the above-mentioned gearbox 8, and the rear axle box 12 is set in linkage connection on the rear end of the front and rear extension support box 11. The left and right lower ends of the rear axle box 12 are interlockingly connected to rear wheels 13, 13 via rear axles 13a, 13a.

And lay box body 14 on machine frame 5, this box body 14 is arranged by: the auxiliary pedal part forming body 15,15 that is arranged at the left and right sides of prime mover part 6, the main pedal part that is arranged at the rear position of prime mover part 6 The forming body 16 , the driver's seat support forming body 17 disposed behind the main pedal forming body 16 , and the fertilizing portion supporting forming body 18 disposed behind the driver's seat supporting portion forming body 17 are formed.

In addition, the driver's seat 7 is provided with a handle 20 on the upper end of a handle column (handel colam) 19 covering the rear of the prime mover part 6, and a driver's seat 21 is placed on the above-mentioned driver's seat support part forming body 17. .

As shown in FIG. 1, the lifting link mechanism 2 is interposed between the rear frame forming body 25 of the frame 5 of the running part 1 and the front end of the planting gearbox 26 of the planting part 3 described later. The lifting link body 27 is interposed between the lifting link body 27 and the front and rear extension support box 11, and the planting part 3 can be raised and lowered by making the lifting hydraulic cylinder 28 expand and contract.

The planting part 3 is shown in Figure 1, on the planting gearbox 26, the front ends of the four planting boxes 30, 30, 30, 30 extending in the forward and backward direction are connected in linkage, and the rear ends of each planting box 30 are linked in a pair of left and right The rotating case 31,31 of each rotating case 31 is installed a pair of planting claws 32,32, thereby can carry out eight seedling planting operations.

And, on above-mentioned planting case 30,30,30,30, the attitude that can carry the seedling carrying platform 33 that can carry eight seedling pads can slide freely in the left and right direction by the seedling carrying platform supporting frame 34, Further, a center float 35 and side floats 36, 36 are disposed below the respective planting boxes 30, 30, 30, 30, respectively.

As shown in Figures 1 and 2, the fertilization part 4 is disposed above the fertilization part support forming body 18, and is supported by a fertilization part support machine frame 39 at the rear of the frame 5, and is supported in the left-right direction. Eight fertilization devices 40 are arranged in a row, and a blower 41 for blowing air to each fertilization device 40 is arranged at the left end.

And each fertilization device 40, fertilization output body 42 is installed on the fertilization part supporting machine frame 39, and the upper end portion of this fertilization output body 42 communicates and is provided with fertilization hopper 43, on the other hand, at the lower end portion of fertilization output body 42, connects The pipe 45 communicates with the root end of the fertilization pipe 44 , and the front end of the fertilization pipe 44 is arranged on the side of the buoys 35 , 36 , 36 arranged on the planting unit 3 .

In addition, a pressure-feeding air supply pipe 46 extending in the left-right direction is arranged directly in front of each fertilization output body 42 , and the left end of the pressure-feeding air supply pipe 46 is connected to the blower 41 . Intermediate portions of the pressure-feed air supply pipes 46 are connected to the respective connecting pipes 45 .

Each fertilization output body 42 is provided with a fertilization output mechanism (not shown), and each fertilization output mechanism is configured to be integrally driven by an output mechanism drive shaft 47 extending in the left-right direction, and passes through the central part of the output mechanism drive shaft 47. The transmission gearbox 48 is interlockingly connected to the upper end of the input shaft 49 of the fertilization unit extending in the vertical direction in an orthogonal state, and the lower end of the input shaft 49 of the fertilization unit is interlockedly connected to the gearbox 8 . 50 represents a pipe for discharging residual fertilizer connected to each fertilization output body 42 .

In this way, the power from the prime mover part 6 is transmitted from the gearbox 8→fertilization part input shaft 49→the output mechanism drive shaft 47, and the output mechanism can be operated by rotating the output mechanism drive shaft 47.

As a result, the fertilizer contained in the fertilization hopper 43 can be output to the fertilization pipe 44 via the connection pipe 45 by the output mechanism, and the fertilizer output to the fertilization pipe 44 passes through the blower 41→pressurized air supply pipe 46→connection pipe 45 The pressure-fed air is sent to the planting part 3 together by pressure to fertilize the seedling field.

Here, each output mechanism is provided with a fertilization bar stop clutch (not shown), and each output mechanism can be operated and stopped by turning on and off each fertilization bar stop clutch.

And, for each fertilization bar stop clutch, every two fertilization bar stop clutches adjacent to each other in the left and right directions are linked and connected through a unit clutch mechanism (not shown), forming four unit clutches (not shown).

In addition, in the present embodiment, as shown in FIG. 2 , the fertilization hoppers 43 of the fertilization device 40 arranged in a row in the left and right direction, the four fertilization hoppers 43 on the left side are covered freely by an openable cover body 51 , Simultaneously, the four fertilization hoppers 43 on the right side are covered by an opening and closing cover body 52 freely.

In the above structure, the gist of the present invention is that a clutch body 60 is set on the connecting portion of the output mechanism drive shaft 47 and the input shaft 49 of the fertilizing part, and the clutch body 60 can be used to drive the shaft from the input shaft 49 of the fertilizing part to the box output mechanism. The power transmission of 47 is turned on and cut off.

That is, the clutch body 60 is arranged in the said transmission gearbox 48 provided on the connecting portion of the output mechanism drive shaft 47 and the fertilization part input shaft 49. 48 for illustration.

As shown in Figures 5 and 6, the transmission gear box 48 rotates in a through state through the left bearing body 62 arranged on the left side wall 61a of the box body 61 and the right side bearing body 63 arranged on the right side wall 61b. The central portion of the output mechanism drive shaft 47 extending in the left-right direction is freely supported, and the input side bevel gear 64 is rotatably mounted on the central portion of the output mechanism drive shaft 47. The lower side bearing body 65 rotatably supports the upper end of the fertilization part input shaft 49, and the output side bevel gear 66 is installed on the upper end of the fertilization part input shaft 49, so that the output side bevel gear 66 and the above-mentioned input side bevel gear 64 Mesh and connect. 67 denotes a bearing that rotatably supports the input side bevel gear 64 .

Moreover, as shown in FIGS. 5 and 6 , the clutch body 60 protrudes from the left end surface of the input side bevel gear 64 to the left side with a plurality of engaged pieces 70 . The part of the drive shaft 47 of the output mechanism on the left side is embedded with a sliding fitting body 71 by a key 69, so that the sliding fitting body 71 can slide freely in the axial direction and cannot rotate in the circumferential direction. A plurality of matching pieces 72 protrude from the right side end surface to the right side. At the same time, the push spring 73 is wound to the outer circumference of the output mechanism drive shaft 47, and is sandwiched between the left side end surface of the sliding matching body 71 and the box body 61. Between the left side wall 61a.

In addition, a sliding pin engaging groove 74 is formed in the center of the sliding fitting body 71, and the front end portion of the sliding pin 75 whose axis is directed in the front-rear direction is fitted in the sliding pin engaging groove 74. The pivot 76 attaches the central part of the vertically elongated operation grip piece 77 to the front wall of the box body 61, and the root end of the slide pin 75 is connected to the pivot pivot 76 eccentrically in the front-rear direction. 77a shows the front-end|tip side pointing part of the grip piece 77 for operation, and 78 shows the label of the grip piece 77 for operation.

In this way, as shown by the dashed-two dotted line in FIG. 5 and the solid line in FIG. 6 , if the grip piece 77 is rotated around the pivot shaft 76 whose axis is facing the front-rear direction so that the front end side pointing portion 77a faces upward, The sliding pin 75 eccentrically connected to the rotating fulcrum 76 moves to the right, so that the sliding fitting body 71 fitted on the front end of the sliding pin 75 through the sliding pin matching groove 74 cooperates with the elastic force of the push spring 73 to Swipe right.

As a result, a plurality of mating pieces 72 protruding from the right side end surface of the sliding fitting body 71 can cooperate with a plurality of mated pieces 70 protruding from the left side end surface of the input side bevel gear 64 to become the input part of the fertilization part. The rotational force of the shaft 49 is the power connection state (clutch on state) transmitted from the output side bevel gear 66 → input side bevel gear 64 → matched piece 70 → matched piece 72 → sliding fitting body 71 → output mechanism drive shaft 47 .

In addition, as shown by the dashed-dotted line in FIG. 5 and FIG. 6 , when the operation grip piece 77 is rotated 180 degrees around the pivot shaft 76 whose axis is in the front-rear direction so that the front-end side pointing portion 77a is directed downward, The sliding pin 75 that is eccentrically connected to the rotating fulcrum 76 moves to the left, so that the sliding fitting body 71 that is fitted on the front end of the sliding pin 75 through the sliding pin matching groove 74 resists the elastic force of the push spring 73 to move to the left side. Swipe left.

As a result, it is possible to release the cooperation between the plurality of mating pieces 72 protruding from the right side end surface of the sliding mating body 71 and the plurality of engaged pieces 70 protruding from the left side end surface of the input side bevel gear 64, and become the input of the fertilization part. The rotational force of the shaft 49 is transmitted from the output side bevel gear 66→the input side bevel gear 64→the mated piece 70, but the power transmission of the mating piece 72→sliding mating body 71→the drive shaft 47 of the output mechanism is not performed. (clutch off state).

In addition, the clutch body 60 constituted as described above is arranged near the immediate rear of the driver's seat 21, and the driver's seat 21 is arranged on the running part 1, and the operation grab piece 77 is arranged on the driver's seat 21. The operator sitting on the driver's seat 21 only needs to The half-body state can be reached by reaching out to the rear, so that the operation grab piece 77 can be easily rotated and operated around the axis in the front-back direction.

In addition, the grasping piece 77 for operation is arrange|positioned between the 4th fertilization apparatus 40 and the 5th fertilization apparatus 40 from the left side adjacent to the left-right direction in the center part of a body.

Here, as shown in Figure 3 and Figure 4, the fertilization hopper 43 is formed with a gradually reduced diameter at the bottom in a rotary shape, and the lower end is connected with the upper end of the fertilization output body 42, and the fertilization of the fourth fertilization device 40 from the left side A space S is formed between the output body 42 and the fertilization output body 42 of the fifth fertilization device 40 .

And in this space S, as shown in FIG. When viewed from above, be located at the position below the fertilization hopper 43 of any fertilization device 40 (the fifth fertilization device 40 from the left in this embodiment), that is, as shown in FIG. The right side of the dotted line extension line L of the upper left side surface 43b of the fertilization hopper 43 of the fertilization device 40 (closer to the fertilization output body 42 side).

In this way, the grasping pieces 77 for operation are disposed in the space S formed between the adjacent fertilizing devices 40, 40 in the left-right direction, and at the same time, when viewed from the side, they are disposed on the respective fertilizing devices 40, 40. The rear of the front 43a, 43a of the fertilization hopper 43, 43, so, can prevent the operator when replenishing fertilizer etc. to the fertilization hopper 43, the operator's leg etc. touches the grasp piece 77 for operation, under unexpected situation Rotation of the grip piece 77 for operation, damage of the grip piece 77 for operation, and the like occur.

On the other hand, the operator can perform the fertilizer replenishment operation without paying special attention to the handle piece 77 for operation.

And, since the gripping pieces 77 for operation are disposed in the space S formed between the adjacent fertilizing devices 40 and 40 in the left-right direction, at the same time, when viewed from the side, the fertilizing devices installed on one fertilizing device 40 The position below the hopper 43, so when the operator replenishes fertilizers and the like to the fertilization hopper 43, even if the fertilizers and the like overflow and spill, the fertilizers and the like will not fall on the operation grip 77, and the function of the operation grip 77 can be ensured. good.

Furthermore, since the operation grab piece 77 is disposed between the adjacent fertilization hoppers 43, 43 in the left-right direction, and is disposed at a position that cannot be seen from the outside and above, not only the operation can be protected, Grab piece 77 is not affected by external action, and can prevent misoperation.

industrial availability

The structure of the passenger rice transplanter according to the present invention can be used to have: the fertilization devices corresponding to the planting strips are adjacently arranged in the left and right directions, and the fertilization output bodies provided in each fertilization device are linked by the drive shaft of the output mechanism extending in the left and right directions. Connection, through the input shaft of the fertilization part, the drive shaft of the output mechanism is linked with the gearbox of the running part, so that each fertilization output body can carry out the structure of the fertilization part.

Claims (5)

1. A passenger rice transplanter, the passenger rice transplanter is connected to the planting part at the rear of the running part, and at the same time, a fertilization part is placed on the rear of the running part; it is characterized in that: The fertilization part is arranged adjacently in the left and right direction to the fertilization devices corresponding to the planting strips, and the fertilization output bodies provided in each fertilization device are connected in linkage through the drive shaft of the output mechanism extending in the left and right direction, and the output body is connected through the input shaft of the fertilization part. The driving shaft of the mechanism is linked with the gearbox of the running part, so that each fertilization output body can carry out the conveying action; A clutch body is provided at the connecting portion between the drive shaft of the output mechanism and the input shaft of the fertilization unit, and the power transmission from the input shaft of the fertilization unit to the drive shaft of the output mechanism can be turned on and off by the clutch body. 2 . The passenger rice transplanter according to claim 1 , wherein the clutch body is disposed near the immediate rear of the driver's seat, and the driver's seat is disposed on the running part. 3 . 3 . The passenger rice transplanter according to claim 2 , wherein an operation grip is provided on the clutch body, and at the same time, the operation grip is rotated around an axis in the front-rear direction. 4 . 4. The ride-on rice transplanter according to claim 3, characterized in that: the operation grab piece is arranged between adjacent fertilizing devices in the left and right directions, and at the same time, viewed from the side, it is arranged on the side of each fertilizing device. Rear of the front of the fertilizer hopper. 5. The passenger rice transplanter as claimed in claim 3 or 4, characterized in that: the operation grab piece is arranged between adjacent fertilizing devices in the left and right directions, and at the same time, viewed from above, it is arranged on any fertilizing device The lower position of the fertilization hopper.

Images