JPH1128014A - Grain culm-carrying apparatus of combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To dissolve task incapable of compactly constituting a combine harvester which may become a large-sized machine body when ideal combine harvester which constitutes a carrying pathway ranging from carrying starting end part to final end part by one carrying chain free from a taking-over part is realized. SOLUTION: A carrying start end part is faced to the rear of grain culms raising device 1 close to most right side among grain culms-raising devices 1, 1' and 1" and final end part of an ear part carrying device 12 extended to the back in a state inclined toward the left side of a traveling vehicle body 3 when viewed in a plane is faced on the neighborhood of grain culms feeding part 11 of a threshing device 4 and an ear part carrying device 12 is constituted of a carrying case 14 in which a carrying lag 13 for carrying the upper part of grain culms in engaged state is internally installed so as to enable free driving, and the carrying case 14 is close to inclined notch part 15 formed in front side corner of a driving seat 10 which is located on the front right side of the traveling vehicle body 3 and made to communicate with upper part of a valve box 8 of a traveling mission device 9.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for transporting culms of a combine, and belongs to the technical field of agricultural machinery.

[0002]

2. Description of the Related Art Conventionally, a combine has a grain stalk raising device, a reaping device, a grain stalk stock transfer device, and a grain stalk ear portion transfer device at the front of a traveling body equipped with a threshing device. The cutting pretreatment device is supported. The combine is provided with a cockpit at a position close to one side of the front part of the traveling vehicle body, and performs harvesting and threshing work by maneuvering while monitoring the front view through the grain stem raising device.

[0003]

Conventionally, a combine culm conveying device of a combine uses a single conveying chain (conveying lug) that does not require inheritance through a series of conveying routes from a cutting position at a starting end to a threshing device at an end. ) Is ideal, but in reality, each component of the pre-cutting device, the cockpit, the traveling mission device and its attached devices, and the like, interfere with each other, and the transfer is performed by a plurality of transfer devices. There was a problem that had to be made. For example, a combine formed by one transport chain (transport lug) has a problem in that the cockpit protrudes from the vehicle body to the side, and the body width becomes wider than the number of reaping strips, resulting in a large body.

[0004]

SUMMARY OF THE INVENTION The present invention takes the following technical means in order to solve the above-mentioned problems. That is, a plurality of grain stalk raising devices 1, 1 ', and 1 "for causing lodging grain culms are provided in parallel at the front portion, and a cutting device 2 for cutting a grain stalk root at a low position behind the device. Is provided, and the traveling vehicle body 3 is positioned from near the upper side of the mowing device 2 to the rear.
A series of grain culm conveying devices 6 are provided to transfer the culm roots to the beginning of the feed chain 5 of the threshing device 4 mounted thereon, and to convey the culm stems. A traveling transmission case 9 provided with a valve box 8 accommodating the hydraulic switching device 7 is provided at a low position in the middle of the front side, and the grain stalk raising apparatus 1, 1 ', 1 is located closer to the front side. A cockpit 10 for maneuvering while monitoring the front ahead is provided, and the grain stem raising device 1 of the plurality of vessels,
The transport start end is located behind the grain stem raising device 1 that is closest to one side of 1 ′ and 1 ″, and is inclined rearward on the other side of the traveling vehicle body 3 in a plan view to extend rearward. Is provided in the vicinity of the grain culm supply unit 11 of the threshing apparatus 4, and the spike transport apparatus 12 drives a transport lug 13 that engages and transports the upper part of the grain culm. The transport case 14 comprises a freely accommodated transport case 14 which approaches an inclined cutout 15 formed in the front corner of the cockpit 10 and which passes through above the valve box 8. Is a grain culm conveying device of a combine.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, the configuration will be described.
The traveling vehicle body 3 has a traveling transmission 9
And the transmission is transmitted to the left and right crawler 16, 16 'by shifting the rotational power input from the mounted engine to travel. And valve box 8
Accommodates a hydraulic switching device 7 for hydraulically operating a side clutch device, a side brake device, a spin turn device, a mild turn device, and the like, which are installed in the traveling transmission device 9. 9 attached to the front outside. 17 is a hydraulic hose.

The cockpit 10 is located at the front right side of the traveling vehicle body 3 ("left" and "right" in this specification are based on the state viewed from the traveling vehicle body 3 in the forward direction. The same as above), and an operation panel and operation lever, etc., in which the operation devices of the body are concentrated, are provided, and the body can be steered while monitoring the front through a grain stem raising apparatus 1, 1 ', 1 "to be described later. It has a configuration.

Next, the threshing device 4 is composed of a handling room and a sorting room, and is mounted on the traveling device 3 in a state where the grain culm supply unit 11 is located on the front side and the feed chain 5 is extended forward. The grain culm supplied from the pre-cutting device 18 is threshed and sorted. And the pre-cutting device 18
The reaper frame 21 is constructed by using a reaper frame 21 as a base member with a reaping main frame 20 extending downward at a front portion with a base portion pivotally connected to a support portion 19 of the traveling vehicle body 3. The apparatus is configured so as to be capable of transmission. That is, the grain stalk raising device 1, 1 ′, 1 ″ has a raising lug 22 that rotates so as to cause a lodging grain stalk, and is provided on the front part of the reaper frame 21 for each stalk row to be cut. A plurality of vessels are provided in parallel to each other.
It is provided in the horizontal direction at a low position behind 1 ', 1 ", and is made of a reciprocating-type cutting blade, and is configured to cut the root of a grain culm.

[0008] The grain culm transport device 6 is provided above the cutting device 2 and is provided with a star wheel and a chain. Mounting device 23, a stock chain 24 provided at the rear thereof, and a handling depth adjusting chain 25 axle mounted at the rear thereof.
At the rear end, there is provided a feeding device 26 for passing the cereal stem to the feed chain 5.

[0009] Then, the spike conveying device 12
The transfer chain 27, which is attached at predetermined intervals, is wound around the transfer case 14 so as to act on the upper part of the cereal culm and convey the cereal culm. "
Of the cereal stem raising device 1 located closest to the right side is provided close to the back, and as shown in FIG.
The rear portion is extended by inclining to the left side, and the terminal portion is provided facing the vicinity of the grain culm supply section 11 of the threshing device 4. The cockpit 10 has an inclined notch 15 formed by cutting a front corner thereof, and an outer edge of the intermediate portion of the transfer case 14 described above is provided close to the inclined notch 15. It does not protrude. In other words,
Since the cockpit 10 is provided substantially in the vicinity of the transfer case 14 by forming the inclined cutout 15, the width of the vehicle body can be narrowed without protruding from the traveling vehicle body 3 to the right outside, and the body can be compact. Design.

Further, the transfer case 14 is provided with a difference in the vertical direction so as to use the space above the valve box 8 and extends straight to the threshing device 4 at the rear. I have. In this way, the spike conveying device 12
The cereal culm engaged with the transport lug 13 immediately after being raised at the start end portion is continuously cultivated in the cereal culm supply unit 11
It can be transported with good stability.

As shown in FIG. 3, the transfer case 14 is composed of a lower case, which is an operation portion of the transfer, as a start end case 14a, an intermediate case 14b, and an end case. -S14c
These three members are joined together to form a passage 28 only on the side where the transport lug 13 protrudes and acts. The upper case 29 has an opening 3 in the middle.
0, 30 ', 30 "are opened to open the lower case 14a,
Mounting arms 31, 31 'overlapping with 14b, 14c
To form a transfer case 14.

Therefore, the transport case 14 is in the state of FIG. 2 in plan view, in the state of FIG. 4 in side view, and in the SS section of FIG. 2 as shown in FIG.
The reference numeral 3 designates an enclosed passage 28 on the side where the transfer operation is performed, but has a configuration in which the lower side is open on the non-operation side. The transfer chain 27 is wound around a tension roller 34 connected to a tension device 32 via a support arm 33 at the start end of the transfer case 14 as shown in FIGS. The tension device 32 absorbs the tension that changes as the culm is transported, so that a proper chain tension can be maintained at all times. The tension device 32 includes a tension spring 3 mounted inside a spring case 35 fixed to the transfer case 14.
6, the lot 37 is connected in a tension state, and the end is fixed to the support arm 33 to tension the tension roller 34 outward.

As shown in FIGS. 6 and 7, the supporting arm 33 has a lug rising member 3 made of an elastic material on the non-working side.
A guide 39 is provided along the lug passage on the operation side, and is configured to be able to perform the erecting action of the rotating transport lug 13 and the guiding action for maintaining the erecting state.
The guide 39 is provided with a lug guide 40 extending from the spring case 35 side, which is slidably inserted inside and overlaps, and holds the moving transport lug 13 in an upright state to smoothly move the transport lug 13. It is configured to carry over. In this case, the tension roller 34 is configured to transfer the transport lug 13 that has been rotated in the upright state by the action of the lug upright member 38 to the guide 39 while guiding the transport lug 13 on its outer peripheral surface.

A series of related devices such as the tension device 32 and the tension roller 34 are previously assembled.
Since it can be assembled as a part and then incorporated into a product, there is an advantage that the assembling work at the time of production can be rationalized. Next, as shown in FIG. 9, the grain culm guide plate 41 has a predetermined vertical width (a height that can guide the spikes of the transported grain culm) by sheet metal processing or molding of a resin material,
Attach the starting end to the back of the cereal stem raising device 1 and transport the
The thruster extends rearward along the upper surface of the grain 14, and the terminal end portion is configured to be close to the grain culm supply unit 11 of the threshing device 4. In the configuration example shown in the embodiment, the grain culm guide plate 41 has a configuration in which two parts divided at an intermediate portion are joined by screws and integrated to facilitate transportation, handling, and detachment. I have.

Next, the structure of the above-described grain culm conveying device 6 (mainly, the root chain 24 and the depth adjusting chain 25) and the main frame 20 will be described with reference to FIGS. I do. First, the reaper main frame 20 includes an upper cylinder 20a that pivotally connects the base to the support 19 and extends forward.
A lower case 20b having a transmission case 42 fixed to the front end portion extending downward at the front portion is integrally connected to the lower case 20b, and the transmission shaft 43 is internally mounted. And the reaper's frame 20
Has a configuration in which the side of the traveling transmission device 9 passes from the rear to the front as shown in FIG. The stock chain 24 is connected to a sprocket 45 which is mounted on an upper portion of a main support tube 44 erected upward from the lower tube 20b.
And is extended forward. The sprocket 45 is moved from the transmission shaft 43 to the bevel gears 46, 4
6 ′, which is transmitted via the transport shaft 47.
The tension pulley 48 gives a tension action to the stock chain 24 by an arm 49 which is fitted to an upper portion (neck portion) of the support cylinder 44 and is tensioned in a direction away from the traveling transmission device 9. It has a configuration. The strainer chain 24 configured as described above is configured so as to sandwich the stem of the grain culm inherited at the start end, convey it to the upper rear, and inherit from the end portion to the handling depth adjusting chain 25 described below. doing.

A sub-support tube 50 for supporting the handling depth adjusting chain 25 is provided on the base of the main support tube 44 at the front thereof.
The bevel gears 51, 5
A transmission shaft 52 on which 1 'is mounted is mounted on an interior shaft. The rotation support cylinder 53 supports the sprocket 56 of the transmission shaft 55 on which the bevel gear 54 is pivotally mounted by winding the depth adjusting chain 25 around the sprocket 56, and rotatably fits around the sub support cylinder 50. Connected.

The handle depth control motor 58 is attached to the upper cylinder 20a via a motor base, and a connecting rod 59 is provided.
Thus, the chain is connected to the depth adjusting chain 25, and the depth is controlled while rotating forward and backward based on a control signal output from a control unit (not shown). In these configurations, the transport shaft 47 in the main support cylinder 44 is connected to the reaping main frame 2.
0, the transmission shaft 43 is connected at an acute angle to the transmission shaft 43 so as to be capable of transmission. There is a feature that the adjustment range of the depth adjustment chain 25 can be widened. Also,
Since the rotation support cylinder 53 is fitted and connected to the outer periphery of the sub-support cylinder 50, water hardly enters into the interior during car washing or rainfall, and the device has high durability.

Next, the operation will be described. First,
The combiner starts the mounted engine and transmits the rotational power to the traveling transmission device 9 so that the crawler 16,
16 'is made runnable, and the pre-cutting device 1
8 and the threshing device 4. Then, when the operator advances the traveling vehicle body 3 to start the mowing and threshing operation, the culm in the field receives the weeding action by the weeding rod at the lower front end, and then the culm raising devices 1, 1 By the raising action of the raising lug 22 of "1", the state is raised from the lying state to the upright state, and the root of the stock reaches the cutting device 2 and is cut off. First, the root of the stock is raked back by the action of the grain stalk raking device 23, is passed to the starting end of the stock chain 24, is clamped, and the upper part is the transfer chain 27.
While being transferred to and engaged with the transport lug 13, the transport lugs 13 are sequentially transported upward continuously at a rear portion.

At this time, the cereal culm is passed on to the transport lug 13 at the upper portion, and at the same time, while being received and supported by the cereal culm guide plate 41 connected to the back side of the cereal culling raising device 1 without gaps, and sequentially. You will be guided back. Moreover, the cereal stem is inherited by the stem from the grain stalk raking device 23 to the strainer chain 24, and is further inherited by the handling depth adjusting chain 25,
After reaching the feed chain 5 through the feeding device 26, the spike side is engaged with the starting end portion of the spike conveying device 12, and then is held without being changed, and the culm feeding portion 1 of the threshing device 4 at the end portion.
Since it is continuously conveyed to 1, it is possible to receive extremely stable conveyance.

In this manner, the cereal culm is supplied from the cereal culm supply unit 11 to the threshing apparatus 4 and threshed in an orderly manner without disturbing the spikes. As described above, the combine continuously performs the harvesting and threshing work, harvests the threshed and sorted kernels, and collects and stores them in the Glen tank. Now, in the combine according to the present invention, a transport case 14 constituting the spike transport device 12 is provided close to an inclined notch 15 formed by notching a front corner portion of the cockpit 10 and further traveling. Since the cockpit 10 is configured to pass through the upper part of the valve box 8 attached to the front side of the transmission device 9, the cockpit 10 is brought as close as possible to the transport case 14 and brought to the center of the traveling vehicle body 3, so that there is no protrusion to the side. It has a feature that the vehicle width is made narrower, and furthermore, the space is made up by utilizing the space due to the difference between the upper and lower sides, and the whole can be made compact.
Then, as described above, the spike transporting device 12 keeps the posture of the grain stalk engaged with the transport lug 13 immediately after being raised at the start end portion without changing (passing over) the grain during the continuous state. Thus, it can be stably transported to the grain culm supply unit 11 of the threshing device 4.

In the embodiment of the present invention, a tension rod is used.
A lug erecting member 38 is provided on the side of the support arm 33 which operates together with the lug 34.
And the guide 39 are integrally mounted, and the lug guide 40 on the spring case 35 side is slidably inserted into the back of the guide 39 to form a continuously continuous guide surface. The transport lug 13 moves together with the series of guide devices (the lug erecting member 38 and the guide tool 39) following the tension roller 34, so that the guide surface is maintained regardless of the position of the tension roller 34. No breaks were generated, and the slide was properly erected and guided smoothly.

In the case of the embodiment, the transfer case 14 is formed by connecting the lower case to the starting end case, as shown in FIGS.
Case 14a, intermediate case 14b and end case 14
c, which are formed by joining the three members together, and an upper case 29 is superimposed thereon to attach a mounting arm 31,
31 'is connected and fixed, and the lower side is opened on the non-working side, so that the weight is significantly reduced and the handling becomes easier.
There is hardly any accumulation of refuse such as straw waste and dust inside, and furthermore, there is a feature that sufficient strength can be secured. The transport lug 13 is located on the non-operating side in the upper case 2.
The projections to the outside are prevented by the side wall plate 9 and the safety is also high.

The stock chain 24 is fitted on an upper portion (neck portion) of the support cylinder 44 and is tensioned on an arm 49 which is tensioned in a direction away from the traveling transmission device 9. As a result, the chain line can be separated from the traveling transmission device 9 and can pass through a narrow space on the side, and the tension structure can be simplified.

Also, in the case of the construction shown in the embodiment, the mowing main frame 20 is divided into two parts, an upper cylinder 20a and a lower cylinder 20b, and is processed and connected at the time of assembly. There is an advantage that the equipment cost is low and the handling is easy. And, since the handling depth adjusting chain 25 protrudes toward a wide space in the configuration of the embodiment, the adjusting range can be widened and the short culm adaptability can be improved as compared with the related art. Was.

[0025]

As described above, according to the present invention, a plurality of grain stalk raising devices 1, 1 ', 1 "for causing lodging grain stalks are provided in parallel at the front part, and at a low position behind them. Is provided with a harvesting device 2 for cutting the root of the grain culm, from the vicinity of the upper part of the harvesting device 2 to the beginning of the feed chain 5 of the threshing device 4 mounted on the rear running vehicle body 3. A series of cereal culm conveying devices 6 for transferring and carrying stocks are provided, and the traveling vehicle body 3 is provided with a traveling transmission device 9 provided with a valve box 8 containing a hydraulic switching device 7 for operation on the outside.
Is provided at a lower position in the middle part of the front side, and a cockpit 10 is provided near the front side to steer while monitoring the front through the cereal stem raising device 1, 1 ', 1 ". Of the grain stem raising device 1, 1 ′, 1 ″, the transport starting end is located behind the grain stem raising device 1 which is closest to one side, and is inclined to the other side of the traveling vehicle body 3 in plan view. A spike transporting device 12 is provided, which extends rearward and has its end facing the vicinity of the grain stalk supply unit 11 of the threshing device 4, and the spike transporting device 12 engages an upper portion of the grain stalk. Transport lug 1
3 is composed of a transport case 14 in which the drive case 3 is freely driven.
The transport case 14 is configured to approach the inclined notch 15 formed in the front corner of the cockpit 10 and to pass through the upper part of the valve box 8. In the transport route above the grain culm to the threshing device,
Although it is a combine that provides a spike transporter consisting of one transport case and transports culm accurately without inheritance,
This has a unique effect that the body width can be reduced and the apparatus can be made compact.

[Brief description of the drawings]

FIG. 1 is a plan view of an embodiment of the present invention.

FIG. 2 is a plan view of the embodiment of the present invention.

FIG. 3 is a plan view of the embodiment of the present invention.

FIG. 4 is a side view of the embodiment of the present invention.

FIG. 5 is a cross-sectional view taken along line SS of FIG. 2 according to the embodiment of the present invention.

FIG. 6 is a plan view of the embodiment of the present invention.

FIG. 7 is a plan view of the embodiment of the present invention.

FIG. 8 is a side sectional view of an embodiment of the present invention.

FIG. 9 is a side view of the embodiment of the present invention.

FIG. 10 is a plan view of the embodiment of the present invention.

FIG. 11 is an embodiment of the present invention and is a partially cutaway view.

FIG. 12 is a plan view of an embodiment of the present invention.

FIG. 13 is a side view of the embodiment of the present invention.

[Explanation of symbols]

1, 1 ', 1 "grain stalk raising device 2 reaping device 3 running vehicle body 4 threshing device
5 Feed chain 6 Grain conveying device 7 Hydraulic switching device
8 Valve box 9 Driving transmission device 10 Cockpit
11 Grain stalk supply unit 12 Ear part transport device 13 Transport rug
14 Conveying case 15 Inclined notch.

Claims (1)

[Claims] 1. A plurality of grain stalk raising devices 1, 1 ', 1 "for causing a lodging grain stalk are provided in parallel at the front part, and the root of the grain stalk is cut at a low position behind the equipment. A reaping device 2 is provided, and a traveling vehicle body 3 is positioned from near the upper portion of the reaping device 2 to the rear.
A series of grain culm conveying devices 6 are provided for transferring the grain culm roots to the beginning of the feed chain 5 of the threshing device 4 mounted thereon, and conveying the culm stems. A traveling transmission device 9 having a valve box 8 containing a switching device 7 on the outside is provided at a lower position in the middle of the front side, and the grain stem raising device 1 is located closer to one side of the front.
1 ', cockpit 1 that steers while monitoring the front ahead
0 is provided, and the plurality of grain stem raising devices 1, 1 ′,
1 ", the conveying start end is located behind the grain stalk raising device 1 closest to one side, and the rear end is inclined to the other side of the traveling vehicle body 3 and extends rearward in plan view, and the terminal end is threshing. Device 4
Is provided in the vicinity of the grain culm supply unit 11, and the spike carrier is provided with a transport lug 13 that engages with the upper part of the grain stalk and transports the same. K
The transport case 14 approaches the inclined cutout 15 formed in the front corner of the cockpit 10 and further passes through the valve box 8 above. Transport device.