JP2010057504A - Combined harvester - Google Patents

Abstract

The present invention is intended to assist a grain culm inheriting action from a pre-harvest processing unit side to a feeding start end of a feed chain and to inherit a super short culm and perform a threshing process.
An auxiliary transfer chain (9a) having a narrower width than the feed chain (22) is disposed at a position inside the conveyance start end of the feed chain (22) of the threshing device (2), and the auxiliary transfer chain ( A culm guide rod that is configured to transmit rotational power from the rear part of the pre-cutting device (3) to the auxiliary transfer chain (9a) from the rear side of the pre-cutting device (3) to 9a). The base of (24) is attached to the attachment member (26) on the cutting pre-treatment device (3) side, and the culm guide basket (24) is extended rearward to form the rearward extension part of the culm guide basket (24). The vertical plate-shaped part thus arranged is arranged on the upper side of the auxiliary transfer chain (9a).
[Selection] Figure 3

Description

  The present invention relates to a combine.

  As a conventional combine, in order to smoothly inherit and supply the harvested cereal meal from the front-side harvesting pretreatment device to the rear-side threshing device, auxiliary conveyance between the harvesting-side transport device and the threshing-side feed chain The structure which provided the apparatus and the grain straw guide apparatus is known.

Japanese Patent Laid-Open No. 10-295149

  As a recent development technique, a succession device has been disclosed in which a succession chain is provided between the supply adjustment device of the pre-harvest processing device and the feed chain of the threshing device to smoothly inherit the transported cereal. However, this type of conventional device has almost no difference between the height position of the end portion of the supply adjusting device and the height position of the entrance funnel of the threshing device, and the transfer of the transported cereal is not performed smoothly. There was a problem such as being fed to the threshing device with a delay in the tip due to the conveyance resistance.

In order to solve the above-described problems, the present invention provides the following technical means.
That is, in the combine where the threshing device (2) is mounted on the traveling vehicle body (1) and the pre-cutting processing device (3) is provided on the front side thereof, the conveyance start end of the feed chain (22) of the threshing device (2). An auxiliary transfer chain (9a) having a narrower width than the feed chain (22) is disposed at an inner position of the feed chain (22), and the auxiliary transfer chain (9a) is rotated from the rear portion of the pre-cutting processing device (3) through the transmission device. An attachment member on the pre-harvest processing device (3) side is configured to transmit power, and the base of the culm guide rod (24) that inherits the culm from the pre-harvest processing device (3) side to the auxiliary transfer chain (9a) (26), and the vertical plate-like portion formed on the rear extension portion of the culm guide rod (24) by extending the culm guide rod (24) rearward is arranged on the upper side of the auxiliary transfer chain (9a). It is also a combine characterized by It is.

  According to the present invention, the auxiliary transfer chain (9a) can assist the cereal transfer function to the feed start end of the feed chain (22), and can inherit the ultrashort culm and smoothly perform the threshing process.

It is an Example of this invention, Comprising: It is a side view of the principal part. It is an Example of this invention, Comprising: It is a side view. It is an Example of this invention, Comprising: It is a top view of the principal part. It is an Example of this invention, Comprising: It is a top view of a combine. It is an Example of this invention, Comprising: It is a side view of a combine. It is another Example 1 of this invention, Comprising: It is a front view of a handling cylinder. It is another Example 1 of this invention, Comprising: It is a side view of the inside of a handling chamber. It is another Example 2 of this invention, Comprising: It is a top view. It is another Example 2 of this invention, Comprising: It is a side view. It is another Example 2 of this invention, Comprising: It is a slope view. It is another Example 3 of this invention, Comprising: It is a side view of the principal part. It is another Example 3 of this invention, Comprising: It is a rear view of the principal part. It is another Example 3 of this invention, Comprising: It is a decomposition | disassembly slope view. It is another Example 3 of this invention, Comprising: It is a perspective view of an open state.

Embodiments of the present invention will be specifically described below with reference to the drawings.
As shown in FIGS. 4 and 5, the combine 4 includes a threshing device 2 mounted on a traveling vehicle body 1 equipped with a crawler 11, and a cutting pretreatment device 3 connected to the front side of the threshing device 2. It is configured to allow work.

  First, as shown in FIGS. 4 and 5, the cutting pretreatment device 3 is a cutting unit that pivots freely on a support base (not shown) provided at the front portion of the traveling vehicle body 1 so as to freely rotate up and down. The frame 12 is extended forward and downward, and each device is mounted on the cutting frame 12. That is, the pre-cutting processing device 3 is shown in FIG. 2 with a weed basket 13 at the lower part of the front end, a grain raising device 14 with an inclined shape behind it, a cutting device 15 at the rear lower part, and FIG. As described above, the stock transporter 16 that transports the harvested cereal, the tip transporter 17, the handling depth adjusting device 18, and the cereal supply device 5 are arranged so that the cereal can be successively transferred. It attaches to the above-mentioned cutting frame 12 and is comprised so that transmission is possible.

  As shown in FIG. 2, the handling depth adjusting device 18 includes an adjusting chain 18 a and a holding rod 18 b, and a starting end portion is connected to a terminal end portion of the stock former conveying device 16. The original is provided so as to be able to be inherited, and is extended rearward and upward so that the terminal portion faces the start end of the cereal supply device 5. Then, as shown in FIG. 2, the handling depth adjusting device 18 has a structure in which the starting end is pivotally attached to the cutting frame 12 and the terminal side swings up and down along the slimming direction of the conveying cereal. It is configured to be controllably connected to a handling depth control motor (not shown).

  As shown in FIG. 2, the tip sensor 19 is provided so as to hang down above the conveying path of the cereal, detects the position of the tip of the cereal, and inputs it to a controller (not shown). It is configured to do. The controller is connected to the above-mentioned handling depth control motor so as to output a control signal, and is configured to perform automatic handling depth control.

  Next, as shown in FIG. 2, the cereal supply device 5 is composed of a supply chain and a holding culm at the end of the pre-cutting processing device 3, and conveys the cereal that has been inherited from the handling depth adjusting device 18. It is set as the structure sent to the threshing apparatus 2 side. In this configuration, the cereal supply device 5 sandwiches and conveys the stock of the transported cereal, and the rear side of the cedar upper portion (ear part) is locked and carried around by the tip lug of the tip transport device 17. It is configured such that it is conveyed to the direction of the control seat 20 in FIG.

  The cutting pretreatment device 3 configured as described above is supported by a cutting lift cylinder 21 that expands and contracts by a hydraulic device, as shown in FIG. 5, and moves up and down between a normal working position in the lower part and a non-working position in the upper part. The cutting height is adjusted to an intermediate position.

  Next, as shown in FIGS. 4 and 5, the threshing apparatus 2 has a feed chain 22 and, as is conventionally known, a handling chamber having a handling cylinder pivoted on the upper side is disposed, and the lower side is shaken. A sorting room equipped with a dynamic sorting device and a compressed wind tang is provided to thresh and sort the supplied harvested cereals. Further, the feed chain 22 is provided with a holding rod 23 along the upper side, and is configured to hold and transfer the stock of the cereal with the tip portion inserted into the handling chamber.

  And as shown in FIG.1, FIG.3, FIG.4, the entrance funnel 6 is provided in connection with the front side (grain supply side) of the handling room of the said threshing apparatus 2, and inherits the inherited cereal meal on the upper surface. Although it has the function to supply to a handling room, it arrange | positions and is comprised in the low position (refer FIG. 1) which gave the level | step difference from the conveyance termination | terminus part of the said rice candy supply apparatus 5. As shown in FIGS. 1 to 3, the cereal guide rubber plate 10 is fixed to the support member 8 attached to the rear machine frame 7 of the pre-cutting processing device 3 and hangs down on the inlet funnel 6 described above. In a continuous state. As shown in FIGS. 2 to 4, the support member 8 is provided with the base side fixed to the rear machine casing 7 as described above, and the tip side inclined slightly downward toward the auxiliary transfer chain 9a described later. Yes.

  Next, as shown in FIG. 3, the front transfer chain 9 b is provided so as to divide the start end of the feed chain 22 immediately in front of the feed start end of the feed chain 22, and the pre-cutting processing device 3. The cereals inherited from the above-described cereal meal supply device 5 are passed on to the following feed chain 22. As shown in FIG. 3, the auxiliary transfer chain 9a is disposed inside the front transfer chain 9b and the feed chain 22, and when the front transfer chain 9b is transferred, It is configured to support the tip side. And as shown in FIG. 3, the front part transfer chain 9b arrange | positions the conveyance start end part in the front side position (upper side in the grain conveying direction) from the conveyance start end part of the auxiliary transfer chain 9a, and the terminal part is also the above-mentioned The auxiliary transfer chain 9a is configured to be positioned in front of the terminal portion. In this case, the auxiliary transfer chain 9a assists the cereal transfer function between the terminal end of the front transfer chain 9b and the conveying start end of the feed chain 22, and also uses a super short culm (up to the front transfer chain 9b). It is configured to be able to inherit short cereals that do not reach the original.

  The front transfer chain 9b and the auxiliary transfer chain 9a correspond to the transfer chain 9 described in the claims, and although not shown in the drawings, the rotational power is transmitted from the rear part of the pre-cutting processing device 3 via the transmission device. It is configured.

  As shown in FIGS. 2 and 3, the cereal guide guides 24 and 25 are attached to the attachment members 26 of the front cutting device 3 on the front side and extended rearward to extend the auxiliary transfer chain 9a and the front as shown in FIGS. It is provided along the upper side of the part transfer chain 9b (the grain conveying surface), and further extended to the side position of the holding rod 23 of the rear feed chain 22. As shown in FIG. 3, the cereal guide ridges 24 and 25 are positioned on both sides so that the two tip portions sandwich the nip 23 and are configured to reliably inherit the cereal. And, the cereal guide rods 24 and 25 are made of an elastic material, and can sufficiently adapt even when the positions of the front transfer chain 9b and the auxiliary transfer chain 9a change up and down, Furthermore, it can respond appropriately to changes in the layer thickness of the inherited cereal meal.

Next, the operation will be described.
First, the engine is started, and a cutting and threshing clutch and a threshing clutch are engaged and operated to transmit the rotating parts of the machine body. Then, the grain culm is subjected to the weeding action by the weed culm 13 at the lower part of the front end, and then the cereal erection and the pulling action of the device 14 causes the plant to rise to the upright state. And is cut by the stock transporting device 16 and the tip transporting device 17 and sequentially transported upward in the rear part.

  Then, the cedar is successively inherited from the handling depth adjusting device 18 to the cereal supply device 5 in a continuous state, and at the end portion thereof, the tip side is laid down while being carried around by the tip transport device 17 and becomes a cereal guide. Reach on rubber plate 10. Then, when the stock is separated from the terminal portion of the corn supply device 5, the culm is guided by the culm guides 24, 25 and reaches the starting end of the front inheriting chain 7, and the tip side hangs down. It is guided so as to slide on the cereal guide rubber plate 10 and drops onto the entrance funnel 6 and is taken over in an orderly manner. At this time, the takeover cereal is slid down onto the entrance funnel 6 at a low position in a stepped state from the end of the cereal supply device 5, so there is almost no conveyance resistance, and the state is delayed in the conventional tip. It will be supplied to the handling room.

  In this way, the inherited cereal is inherited by the feed chain 22 while the stock is being assisted by the auxiliary inheritance chain 9a from the end of the front inheritance chain 9b, and the tip side is the entrance funnel 6 as described above. It is supplied to the handling room from the rear and conveyed backward while receiving the threshing action.

  As described above, according to the present invention, the cereal that is handed over from the terminal end of the cereal supply device 5 of the pre-harvest processing device 3 to the entrance funnel 6 of the threshing device 2 is extremely different from a high position to a low position with a step. It was taken over smoothly and supplied to the threshing apparatus 2.

  Then, the culm guide rubber plate 10 can stabilize the conveying posture of the culm that is handed over from the cereal supply device 5 of the pre-harvest processing device 3 to the entrance funnel 6 of the threshing device 2, so Since it can supply to the threshing apparatus 2 while improving, the effect which improves threshing efficiency can be exhibited.

Example 1
Next, another embodiment 1 will be described with reference to FIGS.
Another embodiment 1 relates to the improvement of the handling cylinder 30 and prevents the cocoon from winding at the start end, and quickly guides and guides the cereal supplied to the handling chamber 31 to the tooth handling 32 side (good take-up of the cocoon). To be configured).

First, as shown in FIG. 6, the handling cylinder 30 has a configuration in which a flat surface 33 having a belt-like width is formed on the entire circumference of the front surface of the start end, and an inclined guide surface 34 is formed continuously on the entire circumference of the flat surface 33. It is said.
The guide scraper 35 is attached to the flat surface 33 at a symmetrical position in the front view (see FIG. 6), but the scissors supplied with respect to the rotation direction of the handling cylinder 30 (arrow A) It is configured so that it can be guided to. That is, as shown in FIG. 6, the guide scraper 35 is provided with the guide inclined surface 35 a so that the tip end portion in the rotation direction (arrow A) is on the inner peripheral side and the terminal end portion is located on the outer peripheral side. It is set as the structure which guides a collar to the outer peripheral side by rotation of.

  As shown in FIGS. 6 and 7, the spiral blade 36 is twisted into a spiral shape, and is attached to each of the positions where the inclined guide surface 34 continuous to the outer peripheral edge of the flat surface 33 is divided into four equal parts. In the case of the embodiment, four pieces are provided on the entire circumference, but the number is not particular.

  The handling cylinder 30 has a plurality of teeth 32 attached to the peripheral surface thereof and is pivoted in the handling chamber 31. In FIG. 7, 37 is a grain supply port, 38 is a sorting screen, 39 is a dust discharge port, and 40 is a discharge port.

  In another embodiment 1 configured as described above, when the cereal supply is started from the cereal supply port 37 to the handling chamber 31 in which the handling cylinder 30 is rotated in the direction of arrow A, the threshing operation is started. -35 rotates with the handling cylinder 30 to guide the bag outward. In this case, the guide scraper 35 guides the supplied scissors toward the spiral blade 36 on the outer periphery with rotation by the guide inclined surface 35a having the tip portion located inside and the terminal portion located outside.

  In this way, when the cereal reaches the spiral blade 36 from the guide scraper 35, it is guided on the inclined guide surface 34 by the spiral surface of the torsion shape and supplied to the teeth 32 on the outer periphery of the barrel 30.

  As described above, in another embodiment 1, the cedar is guided and guided to the position of the tooth handle 32 by the cooperative action of the guide scraper 35 and the spiral blade 36, and is not wound around the rotating portion. There is a feature that further improves the performance of taking cereals at the beginning.

Example 2
Next, another embodiment 2 will be described with reference to FIGS.
Another embodiment 2 relates to an open device for a waste chain provided in a waste portion of a threshing device, which can be easily cleaned and removed when the waste is clogged between the waste chain and the holding rod. is there.

  First, the waste chain 45 is provided in the waste part of the threshing device with the base side engaged with the drive sprocket 46 and the tip side engaged with the driven sprocket 47. The drive sprocket 46 is configured to be capable of being transmitted via a transmission mechanism 49 to an input pulley 48 to which rotational power is transmitted from a terminal portion of a barrel rotation shaft (not shown). The transmission mechanism 49 is supported by the transmission case 50 together with the drive sprocket 46 and the input pulley 48. The driven sprocket 47 on the other side is configured as a bearing so as to be able to perform a tension action. The waste chain 45 is fixedly connected to a distal end side of a support arm 52 that is rotatably supported on a rotation fulcrum shaft 51 so that the transmission case 50 on the base side is fixed. If it is released, it can be opened upward.

  That is, as shown in FIGS. 8 and 10, the transmission case 50 is connected to the upper frame 53 that is fixed to the threshing device and disposed above the rejecting chain 45, and the connection plate 54. It is configured to be connected and supported so as to be freely disengaged through the member 55 and the fixing bolt 56. Specifically, as shown in FIG. 10, the connection member 55 on the transmission case 50 side is overlapped on the mounting plate 54 of the upper frame 53 and fixed by a fixing bolt 56.

As described above, the fixing bolt 56 is configured such that the connecting member 55 is overlapped on the mounting plate 54, the screw portion is inserted from the upper side thereof, and is turned by the handle 57 to be screwed.
Next, when the waste chain 45 is opened, it can be rotated by the handle 57 in the reverse direction at the time of attachment to remove the fixing bolt 56 to separate the connecting member 55 from the attachment plate 54 and rotate upward. .

The waste chain 45 is provided with a holding rod 58 along the lower side to sandwich and transport the waste, and a tip waste lug 59 is provided on the tip side.
In the second embodiment, as described above, the evacuation chain 45 is configured to be openable alone. Therefore, when clogging occurs between the holding rod 58 and the fixing bolt 56, the fixing bolt 56 is removed. There is an advantage that the clogging can be easily removed by rotating upward.

Example 3
Next, another embodiment 3 will be described with reference to FIGS.
The third embodiment relates to the dust removal guide 61 provided on the outer side of the end of the swing sorting shelf 60 so as to be guided and dropped to the already cut shear side of the farm field while promoting the discharge action of the dust.

  First, in the threshing device 62 mounted on the combine, the swing sorting shelf 60 is swingably supported in the sorting chamber 63 of the threshing device 62 as shown in FIG. The swing sorting shelf 60 is provided with a straw rack 64 disposed at the rear, and a rubber sag 65 is provided at the end to suspend the dust discharged from the end to the outside. It is configured to discharge dust. As shown in FIGS. 12 and 13, the dust discharge guide 61 is attached to the swing sorting shelf 60 on the left and right sides, and is tilted with the right side downward when viewed from the back (see FIG. 12). It is configured to be guided and dropped to the already-cut culvert side of the field. The dust discharge guide 61 has an arrangement configuration in which a notch 61 a is provided on the lower side of the rear edge and is close to the diffusion rotor 67 of the discharge cutter 66.

And in the case of an Example, the dust removal apparatus 68 is set as the structure which dust-collects wind to the dust guide 61 and the diffusion rotor 67 side.
Since the third embodiment is configured as described above, the dust discharged to the outside from the straw rack 64 at the end of the swing sorting shelf 60 due to the harvesting and threshing action by the combine is discharged. It falls on the dust guide 61. Then, the dust discharge material is guided to the already-cut culvert side by the inclination of the dust discharge guide 61, reaches the diffusion rotor 66 while falling, and is diffused in the field. In this way, since the dust is dropped to the already-cut culvert side of the field, it is not caught by the weed culvert at the front end of the combine in the next step.

  In the case of the embodiment, the diffusion rotor 67 includes the soot cut by the upper exhaust cutter 66, the dust exhausted from the dust exhaust device 68, and the dust exhaust from the dust guide 61. It inherits and spreads in the field.

  As described above, the third embodiment has a feature that dust discharged from the shelf tip of the swing sorting shelf 60 is quickly discharged to the already-cut culvert side of the field and does not cause clogging or stagnation.

DESCRIPTION OF SYMBOLS 1 Traveling vehicle body 2 Threshing device 3 Pre-cutting processing device 9a Auxiliary inheritance chain 22 Feed chain 24 Grain basket guide rod 26 Mounting member

Claims (1)

In the combine where the threshing device (2) is mounted on the traveling vehicle body (1) and the pre-cutting processing device (3) is provided on the front side thereof, the inside of the feed start end of the feed chain (22) of the threshing device (2) The auxiliary transfer chain (9a) having a narrower width than the feed chain (22) is disposed at the position of the feed chain (22), and rotational power is transmitted to the auxiliary transfer chain (9a) from the rear portion of the pre-cutting device (3) through the transmission device. The base part of the culm guide rod (24) that inherits the culm from the pre-harvesting pretreatment device (3) side to the auxiliary inheriting chain (9a) is attached to the pre-harvest pretreatment device (3) side mounting member (26). ), And the vertical plate-like portion formed in the rear extension of the culm guide rod (24) by extending the culm guide rod (24) rearward is disposed on the upper side of the auxiliary transfer chain (9a). Combine that features.

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