KR0120957B1 - Combine for a tractor - Google Patents

Abstract

A combine comprises a frame(100) for attaching to a tractor(10) to be removable; a grain threshing machine(200) mounted on the upper part of the frame(100) for threshing grain mowed and conveyed; a mower(300) connected to one side of the rear end of the frame(100) to be removable for mowing grain; a power transmission device(400) installed on the frame(100) for transmitting the power of the tractor to the grain threshing machine(200) and the mower(300). The combine makes easy to operate in a plastic film greenhouse and harvest grain on the edge of the plastic film greenhouse because of being capable of adjusting the height of the mower.

Description

Tractor Detachable Combines

1 is a side view of the present invention as a tractor detachable combine, mounted on a tractor.

2 is a plan view of the present invention mounted on a tractor.

3 is a rear view of the present invention mounted on a tractor.

4 is an exploded perspective view of the threshing part, which is a main part of the present invention.

5 is an exploded perspective view of a harvesting unit which is a main part of the present invention;

6 is a perspective view of a power transmission device that is a main part of the present invention;

Figure 7 is a perspective view of the height adjustment device for the main portion of the present invention.

8 is an exploded perspective view of the position detecting device of the harvesting unit which is the main part of the present invention.

9 is a state sensing device assembly state of the present invention.

10 is a position detection device operating state of the present invention.

Figure 11 and Figure 12 is an illustration of the mowing and threshing operation according to the present invention.

* Explanation of symbols for main parts of the drawings

10 tractor 11 upper link

12: lower link 14: kick coupling

100: frame 101,640: connector

102: main footing 103: auxiliary footing

104: bracket 105: central axis

106: insertion hole 110: beautiful ring

111: vertical rod 200: threshing portion

210: threshing unit body 220: threshing chain

222: drive sprocket 223: interlock sprocket

224: tension mall 225: gear shaft

226,362,471: Bevel Gear 230: Lift Chain

231: Rising chain frame 232,241,341: Sprocket

233 roller 240 lug chain

250: Hopper 251: outlet

252: hanger 300: cutting section

310: cutting frame 311: fixed shaft

320: cutter 330: dragging wheel

340: protrusion chain 360: mowing drive shaft

361: mowing eccentric shaft 371,700: guide

410: drive shaft 400: power train

411,421: gear 420: driven shaft

430: driving pulley 440,460: driven pulley

450: belt 470: universal shaft

500: height adjustment device 510: transverse

511,521: Height adjustment hole 520: Brace

530, 540: hydraulic cylinder 541: reverse link

600: position detection device 610: detection unit

611: pin 620: spring

630: wire rope

The present invention relates to a combine, which is a kind of agricultural machinery, and more particularly, to a tractor detachable combiner capable of carrying out harvesting, threshing and sorting of grains using the engine power of the tractor while being detached and towed by the tractor.

In general, combines as agricultural machinery used for grain harvesting are expensive equipment, whereas harvesting days of grains using combines are only 15 to 20 days a year, which has been a great burden for farmers who are economically difficult in Korea.

In addition, after the failure of the combine, most parts are expensive, and the after-sales cost of replacing parts is also an economic burden for farmers.

In addition, as the combine adopts a caterpillar instead of wheels when moving to a field, which is a work site, the driving condition of the road is disadvantageous and a trailer or a truck must be used to transport the combine to the work site.

The present invention is to solve the problems as described above, to provide a tractor detachable combine harvester that can be harvested, threshing and sorting by using the engine power of the tractor while being detached and towed by the tractor. There is a purpose.

Tractor detachable combine of the present invention for achieving the above object is a frame detachable to the tractor, a threshing unit for threshing grain to be transported mounted on the upper portion of the frame, and rotatably connected to one side of the rear end of the frame The harvesting unit for harvesting and the power transmission device for transmitting the power of the tractor is mounted on the frame and the threshing unit and the harvesting unit is operated.

In addition, the tractor detachable combine of the present invention is towed by the tractor to increase the height of the mowing part for the work efficiency of grain mowing while preventing damage to the mowing blades due to the impact of the projecting part of the ground during road driving and work sites. It is characterized in that the height adjustment device for adjusting and the position detection device for detecting the position of the harvesting unit is added.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Tractor detachable combine of the present invention is a threshing unit for threshing the frame 100 detachable to the tractor 10, the grain is mounted on the top of the frame 100, as shown in Figures 1 to 3 And a harvesting unit 300 rotatably connected to one side of the rear end of the frame 100 and harvesting grain, and the threshing unit 200 and the harvesting unit 300 mounted to the frame 100. It is roughly divided into a power transmission device 400 for transmitting power of the tractor 10 to be operated, and as shown in FIGS. 7 to 10, the harvesting unit 300 on the lower and rear sides of the frame 100, respectively. The height adjusting device 500 for adjusting the height of the, and the position sensing device 600 for detecting the position of the harvesting unit 300 is added.

The frame 100 is connected to the upper link 11 and the lower link 12 of the tractor 10 as shown in FIGS. 101 is provided, the main footrest 102 and the auxiliary footrest 103 is installed so that the worker puts the bag containing the grain and threshing operation, the auxiliary footrest 103 is the main footboard ( 102).

In addition, four brackets 104 formed around the frame 200 are bolted to the threshing part 200, and two central axes 105 extending to one side are for connection with the harvesting unit 300. In addition, the insertion hole 106 is vertically communicated to both sides of the frame 100 to be towed by the tractor 10 is to be inserted into the vertical rod 111 of the rear wheels 110.

The threshing unit 200 has the same structure as the threshing unit of the universal detachable combine as shown in FIG. 4, and the threshing unit main body 210 in which the threshing barrel and the grain selector for threshing grains is built in the frame 100. ) Is mounted on the upper side and the threshing chain 220 is mounted to the rear of the threshing unit main body 210, and the lifting chain 230 and the rear side of the threshing unit main body 210 continuously with the threshing chain 220. The lug chain 240 is mounted.

And, the hopper 250 is placed on the side of the threshing unit main body 210 to be located above the main foot plate 102 formed in the frame 100, the screw in the threshing unit body 210 and the hopper 250 The type conveyor 260 is connected.

Meanwhile, the threshing chain 220 is wound around the driving sprocket 222 and the interlocking sprocket 223 coupled to the threshing chain frame 221, and the driving sprocket 222 rotates the threshing chain 220 and the tension roll 224. The threshing chain 220 is pressed to tension the threshing chain 220, and the threshing chain 220 is covered by a case 227.

In the configuration of the present invention, the threshing chain 220 is responsible for the function of discharging the bales of straw after grain threshing, so there is no need for the existing straw bales chain in the threshing unit 200. In addition, the lifting chain 230 is wound on the roller 233 on the sprocket 232 coupled to the lifting chain frame 231, the lug chain 240 is wound on the sprocket 241, the case 242 It is wrapped in the lifting chain frame 231 is fixed to the bolt.

Meanwhile, the bevel gear 226 meshed with the driving chain 222 and the interlocking sprocket 223 so as to drive the lift chain 230 and the lug chain 240 rotated by rotation of the threshing chain 220. The sprocket 232 of the lifting chain 230 and the sprocket 241 of the lug chain 240 are fixed to the gear shaft 225 and to the gear shaft 225. In addition, a hanger 252 is provided on the lower side of the hopper 250 to hang the bag so as to contain the grain discharged to the discharge port 251.

The harvesting unit 300 has a structure similar to a general harvesting unit as shown in FIG. 5, and includes a cutter 320, a pull wheel 330, a protrusion chain 340, and a divider in the harvesting unit frame 310. 350 are sequentially coupled, and in the embodiment of the present invention, the dragging wheel 330 and the protrusion chain 340 and the cutter 320 are provided in pairs, and the number of the mowing tides is six sets. 12 are required.

Here, the pair of cutters 320 are arranged on one side of the mowing frame 310 and is moistened on the mowing eccentric shaft 361 of the mowing drive shaft 360 which holds the bevel gear 362. The protruding chain 340 is wound around the sprocket 341 which is supported on the mowing drive shaft 360, and the pair of pull wheels 330 are connected to the protruding chain 340 at the lower side of the mowing frame 310. It is supported by 6 sets of fixed shafts 311 which are erected vertically.

In addition, the pair of cutters 320 are directed to the front or rear of the cutter blade for cutting the grain according to the rotation of the cutting unit frame 310 is pivotally connected around the cutting unit driving shaft 360 The cutting action is to cut the grain by a linear reciprocating motion according to the rotation of the drive shaft (360).

In addition, after the pull wheel 330, the protrusion chain 340, and the divider 350, which are rotated by the driving of the cutting unit driving shaft 360, are collected, the scattered grain is collected and moved in one direction, and the guide 371. ) Is to be transported to the threshing unit 200 to facilitate the movement of the collected grain.

Reference numeral 370 is a cover fixed to the harvesting frame 310 at the same position as the divider 350.

The power transmission device 400 is driven to the universal joint 13 withdrawn from the power take-off PTO at the rear of the tractor 10 as shown in FIG. 6 and includes a drive shaft (411). A driven shaft 420 including a 410 and a gear 421 which is meshed with the gear 411 of the drive shaft 410, and a drive pulley 430 axially supported by the driven shaft 420 and the belt 450. A driven pulley 440 is provided.

The driving pulley 430 is provided with a plurality of driven pulleys 460 connected by another belt 450, such as a threshing barrel of the threshing unit 200, a driving device such as a grain selector and a grain conveying conveyor (not shown). A universal shaft 470 is connected to the driven pulley 440 and includes a bevel gear 471 which is meshed with the bevel gear 362 of the mowing drive shaft 360.

When the engine output of the tractor 10 is transmitted to the drive shaft 410 and the driven shaft 420 and the drive pulley 430 from the power take-off device (PTO) through the universal joint 13, the power transmission device 400, The cutter drive 320 is rotated by the retracting drive shafts 360, each of which is bitten by the bevel gears 471 and 441, by the rotational force of the universal shaft 470 supported by the driven pulley 440 connected to the belt 450. Mowing is carried out by operating the protrusion chain 340 and the pull wheel 330 and the plurality of driven pulleys 460 connected to the drive pulley 430 by another belt 450 is threshed By operating the driving device (not shown) of the unit 200, the engine power of the tractor 10 is separated and transmitted so that threshing work is performed.

In addition, the power transmission device 400 is the rotational direction of each part according to the driving of the threshing unit 200 and the harvesting unit 300 is matched, in addition, the rpm of the engine power is different depending on the model of the tractor 10 Therefore, if the specifications of the drive pulley 430 and the driven pulley 440 corresponding to this rpm properly used, of course, it is possible to obtain the optimum rpm required for driving.

Height adjusting device 500 for adjusting the cutting height of the cutting unit 300 has a plurality of height adjustment holes (511, 521) on each side of the frame 100, respectively, as shown in FIG. Transverse 510 and the stop 520 is formed, coupled to the height adjustment holes (511, 521) of the transverse 510 and the stop 520, the transverse 510 and the stop by the hydraulic pressure A hydraulic cylinder 540 having a hydraulic cylinder 530 for elevating 520 and an inverting link 541 coupled to the harvesting unit 300 such that the harvesting unit 300 is rotated 180 ° is provided.

In addition, the hydraulic cylinders 530 and 540 are connected to the kick coupling 14 in the tractor 10 so as to operate by an external hydraulic device (not shown) of the tractor 10, and each rear wheel when assembled. Insert both sides of the brace 520 to the vertical rod 111 of the (10) to penetrate the vertical rods 111 through the insertion holes 106 of both sides of the frame 100 to be fixed with a pin and up and down of the hydraulic cylinder 530 The sides are fixed to the transverse 510 and the stop 520 with bolts B, respectively, and then the hydraulic cylinder 530 is connected to the kick coupling 14 with a hydraulic hose.

Thus, when the hydraulic cylinder 530 is operated by a hydraulic adjustment lever (not shown) in the external hydraulic device, the frame 100 is lifted by the US wheel 110 supported on the ground, so that the cutting height of the cutting unit 300 is increased. It is adjustable.

The position detecting device 600 of the harvesting unit 300 is as shown in FIG. 7 to prevent dragging of the harvesting unit 300 to the ground during work, the harvesting unit frame 310 so that the lower end is close to the ground A pair of detectors 610 are connected to the center of the harvesting frame 310 by pins 611 at the rear of the stacker and piled up by springs 620, and the top of each detector 610 and the tractor 10. A connector 640 and a wire rope 630 for connecting a remote hydraulic control valve (not shown) are provided.

The position sensing device 600 is caught by the projecting portion of the paddy field during the operation, when the lower end of each sensing unit 610 is pulled back, the wire rope 630 is pulled, the hydraulic cylinder 530 connected to the kick coupling 14 is To be operated, the harvesting unit 300 is lifted by the height adjusting device 500.

Reference numeral 650 is fixed to the harvesting frame 310, and is a fixture to fix the spring 620 and the wire rope 630 via the connector 640.

In addition, as shown in FIG. 2, the guide 700 is provided on one side of the tractor 10 on which the harvesting unit 300 is fixed to prevent grains from stepping on the wheel of the tractor 10. The guide 700 can be rotated only upwards, and the connection part is fixed with a pin.

In addition, the movement of the guide 700, because it can take the rice paddy or obstacle while moving.

The operation of the present invention configured as described above is as follows.

As shown in FIGS. 1, 2, 3, 11, and 12, the connecting portion 101 in front of the frame 100 is connected to the lower link 12 of the tractor 10. In order to adjust the tightening degree of the upper link (11) to level and connect the universal joint (13) of the tractor 10 to the drive shaft (410) of the power transmission unit 400, the hydraulic cylinder 530 to the kick couple After connecting to the ring 14, the guide 700 is moved to the upper side of the tractor 10 when moving to the work site and the central shaft 105 by the hydraulic cylinder 540 in accordance with the rotation of the reverse link (541) After rotating the harvesting unit 300 by 180 degrees to the center, the hydraulic cylinder 530 is operated by operating the external hydraulic device of the tractor 10, and the rear wheel 110 is grounded as the frame 100 is raised. Falls from.

In the workplace, the hydraulic cylinder 530 is operated to lower the frame 100 and set the cutting height. In this case, when operating the hydraulic cylinder 530 of the height adjusting device 500 by operating the external hydraulic device of the tractor 10, the pushing force or pulling force is transmitted to the rear wheel 110, the frame 100 is raised and lowered as a whole, The cutting height of the mounting 300 is adjusted. After adjusting the cutting height in this way, when harvesting grain at the beginning, the progress path of the tractor 10 is not secured, so the grain is harvested while retracting the tractor 10 with the cutting unit 300 facing backward. When the traveling path of the tractor 10 is secured, the harvesting unit 300 may be turned to face forward and the grain may be harvested while the tractor 10 is advanced.

When harvesting grain, the guide 700 is rotated so as to be positioned on the wheel side of the tractor 10, and the universal joint 13 is operated by the engine output according to the accident of the tractor 10, and the driving shaft 410 connected thereto is rotated. As the power transmission device 400 is to transmit the power required to the threshing unit 200 and the harvesting unit (300). At this time, the harvesting unit 300, as the rotational force of the universal shaft 440 is transmitted to the harvesting unit driving shaft 360 through the bevel gear 441, the pull-up wheel 330 in the harvesting unit 300 to the grain When the puller and the cutter 320 cuts the grain, the grain harvested by the protrusion chain 340 is moved toward the threshing unit 200.

Then, the grains raised while being crushed by the rising chain 230 in the threshing unit 200 are threshed while the grain is moved across the threshing unit body 210 by the threshing chain 220, and threshing. Rice straw is discharged to the bottom of the right side of the threshing unit 200.

Meanwhile, in the threshing unit 200, the threshing chain 220, the rising chain 230, and the lug chain 240 are driven according to the rotational force transmitted by the driving pulley 430 to move the grain, and the threshing unit body 210. Thresholding and pelletizing work is performed in the threshing container, sorting unit, etc. built in the) is conveyed to the hopper 250 through the screw conveyor (260). At this time, the assistant worker climbs on the auxiliary scaffold 103 so that the grains transferred to the hopper 250 are contained in the bag hanging on the hanger 252 through the outlet 251.

If, during the operation, the tractor 10 is towed and moved while harvesting grain, if there is a protrusion at the bottom of the paddy field, the sensing unit 610 is caught by the protrusion and is flipped backward and the kick couple is pulled as the wire rope 630 is pulled. Since the hydraulic cylinder 530 connected to the ring 14 is operated to push the wheels 110, the harvesting unit 300 is raised at the same time as the frame 100, thereby preventing the harvesting unit 300 from being dragged onto the ground.

In addition, since the sensing unit 610 is lotted by the elastic force of the spring 620 and the wire rope 630 is relaxed after passing through the protruding portion of the paddy field, the rear wheel 110 is pulled to an initial state by the operation of the hydraulic cylinder 510. Frame 100 and harvesting unit 300 is lowered to its original height.

As described above, the tractor detachable combine of the present invention has several main effects as described above.

First, in the harvesting of rice, especially in rural areas where rice farming is mostly used, the price of combines generally used is about 20 million won. However, the present invention has been applied to existing combines such as engines, clutches, transmissions, crawlers, and driver's seats. It uses the power of the tractor without the need for the main parts to be mounted, so the structure is simple and the price can be greatly reduced. Therefore, it can be supplied inexpensively to small farms, thereby promoting the mechanization of farming and eliminating the shortage of work caused by the aging of the rural population. In addition, in view of the reality that most of the expensive combine harvester is a very advantageous in terms of national economics as a replacement effect of the spread of the tractor detachable combine of the present invention.

Second, in view of the fact that the work efficiency is proportional to the maximum output of the engine, the output of medium and large tractors in general is 40HP to 140HP, while the output of four tank large combines is 30HP to 48HP. It can be seen that it is efficient. Therefore, mass harvesting is possible, which can promote the expansion of farming scale.

Third, the conventional combine is used only for grain harvesting, the efficiency is low in view of the reality that the working days are only 15 to 20 days of the year, while the combine of the present invention is used by detaching the tractor without having to purchase a separate combine. This increases the efficiency of the tractor.

Fourth, the tractor detachable combine of the present invention does not require the engine and other major parts devices required in the conventional combine, in particular, because the structure of the harvesting section is simple, the maintenance cost is reduced and the life is extended.

Fifth, the conventional combine to be transported to the work site by a truck or a trailer disadvantageous to the road driving, the tractor detachable combine of the present invention is attached to the tractor is towed to move because it does not need a separate transport equipment.

Sixth, the conventional combine harvester in front and the caterpillar in the back when the work in the paddy field, if you turn right at the corner to step on the rice, so the forward and backward to change the direction, but the tractor detachable combine of the present invention The turning section can be turned directly at the corner because the cutting section is behind the tractor and the direction of the cutting section can be changed. And, at this time, the working time can be shortened according to the continuous working without idling during the operation with little soil jungle.

Seventh, the conventional combine is weak power of its own engine, the tractor detachable combine of the present invention is capable of performing sufficient work because it uses the power of the tractor.

And eighth, the height of the mowing section can be adjusted to facilitate the work in the house, and in particular, it is possible to perform a sufficient harvesting work of grain at the edge of the house.

Claims (8)

Frame 100 detachably attached to the tractor 10, threshing unit 200 to thresh the grain is mounted on the upper portion of the frame 100 and transported, rotatably connected to the rear end side of the frame 100 And a harvesting unit 300 for harvesting grain and a power transmission device 400 mounted on the frame 100 to transmit power of the tractor 10 to operate the threshing unit 200 and the harvesting unit 300. Combined with the tractor detachable, characterized in that provided. According to claim 1, wherein the frame 100 is connected to the upper link 11 and the lower link 12 of the tractor 10, the connector 101 is provided at its front end, the operator puts the bag containing the grain The main scaffold 102 to allow threshing work, the auxiliary scaffold 103 to be folded to the main scaffold 102, and four places formed around the frame 100 to fix the bolt with the threshing part 200. Being extended to two sides of the bracket 104 and one side of the frame 100 and connected to the central axis 105 to be connected to the harvesting unit 300 and up and down on both sides of the frame 100, the tractor 10 Combined tractor detachable combine, characterized in that the insertion hole 106 is provided with the vertical rod 111 of the fine wheels 110 to be towed by). The transverse 510 and the stop 520, the transverse 510 and the stop 520, each having a plurality of height adjustment holes (511, 521) on both sides of the frame 100, respectively. Hydraulic cylinders 530 coupled to the height coupling holes 511 and 521 and connected to the kick coupling 14 of the tractor 10 to elevate the transverse 510 and the stop 520. Tractor detachable combine, characterized in that the height adjustment device 500 including a hydraulic cylinder 540 having a reverse link 541 coupled to the harvesting unit 300 to rotate the harvesting unit 300 180 degrees. According to claim 1, The position detecting device 600 for detecting the position of the harvesting unit 300 is connected to the center of the harvesting frame 310 by a pin 611 on the rear of the harvesting frame 310 A pair of detectors 610 piled up by a spring 620, a connector 640 connected to the upper end of each detector 610 and a hydraulic cylinder connected to the kick coupling 14 of the tractor 10 ( Combined to remove the tractor, characterized in that the position detecting device 600 including a wire rope 630 connected to the 530. The tractor detachable combine according to claim 1, wherein a guide (700) is rotatably coupled to the frame (100) to guide grains harvested by the harvesting unit (300). According to claim 1, The threshing unit 200 is mounted on the upper side of the frame 100, threshing unit body 210 including a threshing barrel and grain selector for threshing grains, and the threshing unit body 210 Side of the threshing unit main body 210 to be located above the threshing chain 220, the rising chain 230, the lug chain 240, the main foot plate 102 formed on the frame 100 in the rear of the Hopper 250 and the threshing unit main body 210 and the screw conveyor 260 connected to the hopper 250, the threshing chain 220 is wound on the drive sprocket coupled to the threshing chain frame 221 ( 222 and the interlock sprocket 223, the threshing chain 220 is wound and the tensioning to drive the sprocket 222 and the interlocking sprocket 223, the threshing chain 220, coupled to the threshing chain frame 221 A gear shaft 225 having a roll 224, a bevel gear 226 for driving the lifting chain 230 and the lug chain 240, and is mounted on the gear shaft 225. The sprocket 232, 241 and has a detachable tractor vending machine characterized in that having a lower outlet 251. The hanger 252 is put to hang the bag to hold the grain discharged into the hopper 250. According to claim 1, The harvesting unit 300 is coupled to adjust the height of the harvesting unit 300 in the lower and rear sides of the frame 100, respectively, is arranged on one side of the harvesting unit frame 310, bevel gear The cutter 320, the drag wheel 330, the projection chain 340, the divider 350 and the harvesting drive shaft 360 in a pair of sequential bearings on the harvesting drive shaft 360 having the 362. 6 sets of fixed shafts erected vertically from the lower side of the mowing frame 310 so that the sprocket 341 and the pair of dragging wheels 330 are coupled to each other so that the pair of protrusion chains 340 are wound. Tractor detachable combine, characterized in that 311 is provided. According to claim 1, The power transmission device 400 is the drive shaft 410 and the driven shaft 420 and the engine output of the tractor 10 is transmitted from the power take-off (PTO) through the universal joint 13 Drive pulley 430 and driven pulley 430 connected to the driven shaft 420, driven pulley 440, a plurality of connected to another drive belt 450 to transfer power to the threshing unit 200 to the drive pulley 430 The tractor pulley 460 and the driven pulley 440 is fixed to the detachable driving shaft 360 and the bevel gear 471, 441 each of which is equipped with a universal shaft 470, characterized in that is provided combine.