KR20020077808A - Rice transplanter with fertilizing equipment - Google Patents

Abstract

PURPOSE: To provide a fertilizing rice transplanter, with which the amount of a fertilizer sent out is not changed even by varying an intrarow spacing of seedlings to be planted in a field. CONSTITUTION: In this fertilizing rice transplanter in which rotary power for driving an implement, taken out from a transmission case 10 arranged at the front of a machine body is divided into two parts by a power division part A installed at the rear of the machine body, a seedling planting apparatus 113 and a fertilizing apparatus 5 are driven by each of the divided power, an intrarow spacing adjustment apparatus 93 for regulating the intrarow spacing of seedlings to be planted in a field by changing the rotative speed of power transmitted to the seedling planting apparatus is laid at a side closer to the seedling planting apparatus than to the power division part A.

Description

{RICE TRANSPLANTER WITH FERTILIZING EQUIPMENT}

The present invention relates to a configuration of a power transmission device in a fertilizer transfer machine.

A seedling implantation section including a seedling implantation device on the rear side of a traveling vehicle body in which a mission case is arranged at a front part of the airframe and an engine is arranged at the rear side of the vehicle, a fertilizer storage part of a fertilizer device above the rear part of the driving vehicle, The fertilizer unit is provided with a fertilizer supply unit. The fertilizer unit is configured to transmit rotational power (PT0) for driving a working device, which is drawn out from the mission case, to a branching case installed on the rear portion of the traveling vehicle body Then, it is branched into fertilization power and implantation power, and each part of the fertilization apparatus and seedling implantation unit is driven by each power. Generally, the rice paddy machine has an aeration interval adjusting device for adjusting an aeration interval of seedlings to be transferred to rice fields by changing the speed of the transfer to the seedling transplanting machine. Respectively.

Therefore, when the release interval adjusting device is operated to change the release interval so as to adjust the release interval adjusting device at the upper portion of the motor than the branching portion of the biasing force and the implantation power, In addition, the rotational speed of the fertilizing power is also changed, and the fertilizer supply amount is changed. Therefore, it is very troublesome to adjust the fertilizer supply mechanism in order to maintain the fertilizer supply amount properly every time the discarding interval is changed. The present invention solves this problem.

1 is a side view of a fertilizer.

2 is a plan view of the fertilizer unit.

3 is a plan view in which a part of the running vehicle body is omitted.

4 is a plan sectional view of the first belt transmission.

5 is a sectional view of the main body of the mission case;

6 is a sectional view of the PTO take-out portion of the mission case.

7 is a cross-sectional view of the implantable clutch case.

※ Explanation of Main Drawings

1 ... fertilization

2 ... Driving vehicle (走車車)

3 ... lifting link device

4 ... seedling transplantation department

5 ... fertilizer device

7 ... front wheel

8 ... rear wheel

10 ... Mission Case

20 ... engine

22 ... seats

88 ... Transmission clutch case

93 ... release interval adjuster

113 ... Seedling plant

In order to solve the above problems, the present invention is configured as follows. In other words, the translating machine according to the present invention divides the rotational power for driving the working device, which is drawn out from the mission case disposed at the front portion of the base, into two at the power branching portion disposed at the rear portion of the base, A seedling transfer apparatus for driving a seedling transplanting apparatus and a fertilizing apparatus, comprising: a seedling transferring apparatus for transferring a seedling transferring apparatus for transferring seedling transfer apparatuses, And is installed on the implant device side.

With this configuration, even if the aeration interval adjusting operation of the aeration interval adjusting device is performed to change the aeration interval, the rotational speed of the fertilizing force is not changed, so that the feed amount of the fertilizer does not change.

Hereinafter, the embodiments shown in the drawings will be described.

1 and 2 are an overall side view and a plan view of a fertilizer according to the present invention. The fertilizer unit 1 is provided so that a five-grain transplanting seedling-implanting unit 4 can ascend and descend through a lifting linkage 3 on the rear side of the running vehicle body 2, And a fertilizer storage portion 120 and a fertilizer supply portion 121 of the fertilizer device 5 are provided above the rear portion. A preliminary seedling mold frame 6 is provided on each of the left and right ends of the front portion of the vehicle body 2 so as to have two steps of left and right.

As shown in Fig. 3, the vehicle body 2 is a four-wheel drive vehicle having a pair of right and left front wheels 7, 7 and rear wheels 8, 8 which are drive wheels, Front wheels 12 and 12 provided on the left and right side portions of the front wheel 10 to extend axially in the front and rear axle cases 11 and 11, The front wheels 7 and 7 are rotatably supported on the rear side of the transmission case 10 and the front ends of a pair of left and right main frames 13 and 13 are fixed to the rear side of the transmission case 10, The rear wheels 8 and 8 are rotatably supported by the rear wheel case 15 and 15 fixed to the front end of the rear frame 14 extending from the rear end of the main frame to the left and right.

An upper portion of the engine 20 mounted above the front and rear center portions of the main frames 13 and 13 is covered with an engine cover 21 and a seat 22 is provided thereon. The front side of the seat 22 is a bonnet 23 with various operating mechanisms incorporated therein and a steering handle 24 for steering the front wheels 7 and 7 as steering wheels is provided above the bonnet 23. Around the lower end of the engine cover 21 and the bonnet 23 is a horizontal step 25 that a person can walk. Reference numeral 30 denotes a change lever, 31 denotes an implantable lifting lever, 32 denotes a vehicle speed lever, 33 denotes a clutch pedal, 34L and 34R denote brake pedals, and 35 denotes a seedling port lift lever.

Next, the power transmission mechanism of the vehicle 2 will be described. The rotational power drawn out to the engine output shaft 40 protruding from the left side surface portion of the engine 20 is transmitted to the relay shaft 43 by the first belt transmission device 41 constituted by the continuously variable transmission, To the transmission input shaft 45 protruding from the left side surface of the transmission case 10 by the second belt transmission device 44 having the main clutch function.

Fig. 4 shows a configuration of a first belt transmission apparatus which is a continuously variable transmission. The first belt transmission apparatus 41 includes a drive pulley 50 fitted to the engine output shaft 40 and a driven pulley 51 fitted to the hydraulic pump drive shaft 43, Tension is imparted to the tension roller 53 by the tension roller 53. The drive pulley 50 and the driven pulley 51 are divided pulleys so that the effective diameters of both the pulleys 50 and 51 are changed in opposite directions from each other to increase the effective diameters of the pulleys 50 and 51 from the engine output shaft 40 to the hydraulic pump drive shaft 43 Change the transmission ratio. More specifically, it is configured as follows.

One component member 50a (51a) of the drive pulley 50 (the driven pulley 51) is fixed to the shaft 40 (43) while the other component member 50b (51b) is fixed to the shaft 40 It is free to slip. The movable component member 50a (51a) is regulated in position by a shift operating cam 54 (64) freely rotatable through a bearing 53 (63). An annular projecting portion 54a (64a) having a projecting amount different from that of the circumferential position is formed on the outer surface side of the speed change operation cam 54 (64). The projecting portion 54a (64a) And is in contact with a roller 55a (65a)

A shift operating rod 56 linked to the operation of the vehicle speed lever 32 is connected to the arm 54b of the drive shift operating cam 54. [ Another arm 54c of the drive shift operating cam 54 and the arm 64b of the driven shift operating cam 64 are connected by a connecting rod 57. [ As a result, when the shift operating rod 56 is moved back and forth, the shift operating cam 54 (64) is pivoted to change the contact of the protruding portion 54a (64a) to the roller 55a (65a) The operating cam 54 (64) and the movable structural member 50b (51b) regulated in position thereof move in the axial direction in accordance with the tension of the transmission belt 52 so that the effective diameter of the drive pulley 50 and the driven pulley 51 Are changing in opposite directions. The smaller the effective diameter of the drive pulley 50 and the effective diameter of the driven pulley 51, the lower the speed.

5 and 6 are views showing the internal structure of the mission case. The rotational power input to the transmission input shaft 45 through the second belt transmission device 44 as the main clutch is a peripheral speed having respective shift positions of " running speed ", " normal transfer speed ", " Is transmitted to the peripheral speed shaft (71) through the device (70). A part of the rotational power of the peripheral speed shaft 71 is transmitted to the brake shaft 73 via the forward / reverse switching device 72 as the driving power. The forward / reverse switching device 72 is provided with "forward" for transmitting the power from the peripheral speed shaft 71 to the brake shaft 73 in the reverse direction, "reverse" for transmitting the power in the same direction, Quot; PTO " that is not transmitted. By the operation of the change lever 30, the peripheral speed device 70 and the forward / backward switching device 72 are interlocked and shifted. Further, only the forward / reverse switching device 72 is shifted by the operation of the vehicle speed lever 32.

A four-wheel brake unit 75 is provided on the brake shaft 73. The rotational power of the brake shaft 73 is distributed to the left and right front axles 77 and 77 by the differential device 76 and further transmitted to the front wheel case 12 and 12 by the front axle Thereby driving the front wheels 7 and 7. The front wheel axles 77 and 77 are provided with rear wheel clutches and brakes 78 and 78. The rear wheel drive power transmitted from the rear portion of the mission case 10 passes through the rear wheel transmission shaft 79 , 79 to the rear wheel case cases 15, 15 to drive the rear wheels 8, 8.

The rest of the rotational force of the peripheral speed shaft 71 is transmitted to the PTO clutch shaft 83 via the pair of clutches 81 and 82 as rotational power PTO for driving the working device . The aeration interval transmission gears 81 and 82 are disposed inside the right side surface of the mission case 10 and can be replaced with an aeration interval transmission gear having a different gear ratio by removing the cover 84 provided on the outside of the right side of the transmission case Do. The PTO clutch shaft 83 is constituted by a first shaft 83a, a second shaft 83b and a third shaft 83c which are mutually rotatable with respect to the same shaft center, and the first shaft 83a and the second shaft 83b The PTO clutch 85 is provided between the second shaft 83b and the third shaft 83c and a safety clutch 86 that cuts off the electric power when the load becomes equal to or more than a certain level is provided between the second shaft 83b and the third shaft 83c . Then, the PTO clutch shaft 88 is rotated by the PTO transmission shaft 87 connected to the rear end of the PTO clutch shaft 83.

7 is a cross-sectional view of the implantable clutch case. A first shaft 91 connected to the PTO transmission shaft 87 through a universal joint 90 and a second shaft 92 parallel to the first shaft 91 are rotatably supported in the transfer clutch case 88 have. G1 and G2 around the releasing interval are integrally rotated with the shaft and freely slid in the axial direction on the first shaft 91. The driven gears G3, G4 are rotatable with respect to the shaft and do not move in the axial direction. Thus, the gap adjusting device 93 is constituted. The gear G5 integrally formed with the driven gears G3 and G4 around the releasing interval is engaged with the gear G6 which is rotatably fitted to the first shaft 90. [ The gear G7 formed integrally with the gear G6 is engaged with the eccentric gear G8 which rotates integrally with the second shaft 92. [

The rotational power PTO input to the transfer clutch case 88 branches to two at the middle portion of the first shaft 91 and a portion thereof is drawn out as a driving force from the rear end of the first shaft 91, The driving gear G1 (or G2) around the releasing interval, the driven gear peripheral gear G3 (or G4) around the releasing interval, the gear G5, the gear G6, the eccentric gear G7 and the eccentric gear G8 from the rear end of the second shaft 92 And is drawn out as power. That is, the contact point of the first axis 91 and the driving gear G1 (or G2) around the anteroposterior interval is the power splitting portion A, and the swinging distance adjusting device 93 is connected to the seedling transplanting device from the power splitting portion A, Respectively.

The release interval adjusting device 93 is provided with a shifting position where G1 and G3 engage with each other and a shifting position where G2 and G3 engage with each other by sliding the driving gears G1 and G2 around the releasing interval in the axial direction by the shifter 93a, And the shift position where G4 is engaged with each other. The gears G7 and G8 are eccentric gears and the gears of the second shaft 92 and the second shaft 92 are connected to each other so that the respective parts of the seedling- The rotational speed is changed periodically.

A friction clutch 95 is provided below the power splitting portion A on the first shaft 91 for transmitting or releasing the driving force. The friction clutch 95 is provided with a drive clutch body 95a and a driven clutch body 95b which are a click clutch mechanism and a spring 95c pushes the drive clutch body 95a to the driven clutch body 95b And when the drive clutch body 95a is moved forward by an externally operated shifter 95d, electric power is cut off. In addition, since the click of the drive clutch body 95a and the click of the driven clutch body 95b are in contact with each other on the inclined surface, when the load exceeds a certain level, the drive clutch body 95a moves forward and electric power is cut off. In short, the friction clutch 95 also has a function as a safety clutch. Since the original function portion of the friction clutch and the function portion as the safety clutch are made of the same member, the entire structure can be simplified, lightweight, and inexpensive.

The second shaft 92 is provided with an engaging clutch 96 for engaging or disengaging the driving power by means of an externally operated clutch pin 96a.

The power transmitting mechanism has the above-described structure and selects the shift positions of the peripheral speed device 70 and the forward / reverse switching device 72 in accordance with the running form, and at the same time, sets the vehicle speed to the first belt transmission device 41 Adjust steplessly. The work power PT0 is output from the mission case 10 and the plant seedling 4 and the fertilizer 5 are fed to the seedling plant 10 when the peripheral device 70 is shifted to the " normal planting speed ≪ / RTI > Since the driving power and the rotational speed of the working power are in proportion, the seedling-implanting unit 4 and the fertilizer unit 5 operate at a proper speed corresponding to the vehicle speed.

When the shift position of the throw-away distance adjusting device 93 is changed, the discarding interval of the seedlings to be transferred to the field is changed. Since the aeration interval adjusting device 93 is provided on the side of the plant seedling device rather than the power generating part A of the fertilizing power and the implantation power, the fertilizing amount does not change even if the abandoning interval is changed. Therefore, it is not necessary to adjust the fertilizer when changing the discarding interval. In addition, the abandon interval can be changed by exchanging the abruption interval transmission gears 81 and 82. [ It is easy to exchange the abruption interval transmission gears 81 and 82.

The elevating link device 3 includes an upper link 100 and a pair of left and right lower links 100 parallel to each other when viewed from the side of a link supporting frame 99 projected upward from the rear frame 14 (Lower) links 101 and 101 are rotatably supported, and a linking frame 102 is pivotally coupled to the rear end of each link. A rolling shaft 103 protruding forward from the seedling-seedling portion 4 is inserted into the connecting frame 102, and the seedling-seeding portion 4 is connected to the connecting rod 102 so as to be capable of rolling. A swing arm 104 is provided so as to rotate integrally with the lower links 101 and 101. A piston rod of an elevating hydraulic cylinder 105 having a base portion supported by the main frame 13 is fixed to the swing arm 104 ). When the elevating hydraulic cylinder 105 is stretched or shrunk, the links rotate up and down, and the seedling transplanting section 4 ascends and descends in a substantially constant posture.

The seedling transplanting part 4 reciprocates right and left by putting a seedlings into a seedling planting frame 110 having a transmission mechanism and at the same time, the seedling conveying belts 111a, A seedling tray 111 for feeding the seedlings 111b to the predetermined seedling outlets 111b and feeding the seedlings supplied to the seedling outlets 111b to the surface of the field Four sets of seedling implants 113, a center float 114 for land use, and side floats 115 and 115 are assembled and attached. The grafting power is transmitted from the second shaft 92 of the graft clutch case 88 to the seedling grafting portion 4 through the grafting shaft 116.

The fertilizer unit 5 feeds the fertilizer in the fertilizer storage unit 120 common to each group downward by a predetermined amount by the fertilizer supply unit 121 and supplies the supplied fertilizer to the floor, By means of the air supplied from the air hose 122 to the fertilizing guides 124 through the fertilizing hoses 123 so that the gravel forming bodies 125 disposed on the front side of the fertilizing guides 125, In the vicinity of the side portion of the seedling trough. Each of the fertilizer supply units 121 is driven by a driving force transmitted from the first shaft 91a of the transfer clutch case 88. [

As described above, in the fertilizer according to the present invention, since the aeration interval adjusting device is installed on the side of the seedling implanting device rather than the branching point for branching the working power into the driving force and the grafting power, Even when the apparatus is operated, the speed of the fertilizing force is not changed, so that the fertilizer supply amount does not change. Therefore, the fertilizer supply amount can always be appropriately maintained, and it is not necessary to adjust the fertilizer when changing the giving interval.

Claims (1)

The rotational power for driving the working device drawn out from the mission case disposed at the front part of the machine is branched into two at the power branching part disposed at the rear part of the machine and the seedling- In a fertilizer machine driven by a seedling plant, aeration interval adjusting device for adjusting an aeration interval of seedlings to be transferred to a field by changing the rotational speed of power transmitted to the seedling plant is installed in the seedling plant more than the power branching unit The fertilization period with.