JP2007159532A - Grain tank of combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To increase the volume of the grain tank of a combine harvester. <P>SOLUTION: This grain tank of the combine harvester is characterized by disposing the grain tank (4) in the rear right side portion of a travel vehicle body (1), disposing a threshing portion (5) in the rear left side portion, vertically disposing a grain-elevating auger cylinder (7) for discharging grains at a place close to the rear central-side of the grain tank (4), and forming a rear side expanded portion (4a) obtained by backward expanding the right side rear side portion of the grain tank (4) to cover a place close to the right side of the grain-elevating auger cylinder (7) with the rear side expanded portion (4a) of the grain tank (4) on the side view. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a combine grain tank.

In a combine, a substantially rectangular parallelepiped box-shaped Glen tank is arranged on the left and right side of the rear part of the traveling vehicle body, and the front upper part of the Glen tank bulges forward to increase the capacity. 1).
Japanese Patent Laying-Open No. 2005-304337 (FIG. 4)

  In the above prior art, the Glen tank is arranged on the right side of the rear part of the traveling vehicle body, and the rear side part of the Glen tank is bulged because a grain auger for grain discharge is arranged behind the right side of the Glen tank. There was a limit to the capacity increase.

  Therefore, the present invention aims to eliminate such problems and increase the capacity of the Glen tank by devising the arrangement relationship between the Glen tank and the cereal auger for discharging the grain.

In order to solve the above problems, the present invention has taken the following technical means.
According to the first aspect of the present invention, a grain tank (4) is disposed on the left and right sides of the rear part of the traveling vehicle body (1), and a threshing part 5 is disposed on the other side of the left and right sides. In the rear bulge portion (4a), a cereal auger tube (7) for discharging the grain is erected, and the rear side portion of the grain tank (4) near the left and right sides bulges backward. The combined grain tank is configured to cover the left and right sides of the cereal auger tube (7) with the rear bulge portion (4a).

  According to the said structure, the grain raising auger cylinder (7) for grain discharge arrange | positioned in the back vicinity near the center of the rear part of a grain tank (4), and the rear side bulging part (4a) of a grain tank (4) ) Are arranged in parallel on the left and right, and the capacity of the Glen tank (4) can be increased.

  The invention according to claim 2 is characterized in that the lower part of the rear bulge part (4a) of the grain tank (4) is configured to have a forwardly inclined surface (4b). To do.

  According to the said structure, in addition to the said effect | action of invention of Claim 1, the accommodation grain of a rear side bulging part (4a) is made to flow down toward a bottom part by a front-falling inclined surface (4b), and a grain is made smooth. Can be discharged.

  In the invention of claim 3, a space (18) is formed below the rear bulge (4a) of the Glen tank (4), and the cereal auger tube (7) and The combined Glen tank according to claim 1 or 2, further comprising a turning motor (19) for turning the discharge auger tube (8) and a battery (20).

  According to the said structure, in addition to the said effect | action of the invention of Claim 1 and Claim 2, using the lower space part (18) of the rear side bulging part (4a) of a Glen tank (4), threshing A swing motor (19) and a battery (20) can be arranged in the vicinity of the auger tube (7) and the discharge auger tube (8).

  In the invention of claim 1, since the rear side portion near the left and right sides of the Glen tank (4) is configured as a rear side bulging portion (4a) that bulges backward, the capacity of the Glen tank (4) is increased. Since the left and right sides of the cereal auger tube (7) are covered by the rear bulge (4a) of the grain tank (4), the cover of the cereal auger tube (7) is also provided. It is possible to simplify the cover configuration.

In addition to the above-mentioned effect of the invention of claim 1, the invention of claim 2 makes the flow of the grain in the rear bulge part (4a) of the grain tank (4) good and smoothly discharges the grain. Can do.
In addition to the above-described effect of the invention of claim 1 or 2, the invention of claim 3 uses the lower space (18) of the rear bulge portion (4a) in the Glen tank (4) to lift the tank. A swing motor (19) and a battery (20) can be disposed in the vicinity of the grain auger tube (7) and the discharge auger tube (8), and troubles of electrical components can be reduced.

Embodiments of the present invention shown in the drawings will be described below.
First, the overall structure of a combine equipped with the present invention will be described with reference to FIGS. 1 is a side view, FIG. 2 is a rear view, and FIG. 3 is a plan view.

  The traveling vehicle body 1 of the combine is driven by the left and right crawler traveling devices 2, 2. On the traveling vehicle body 1, the steering unit 3 is located on the right front part, the grain tank 4 is located on the right rear part, and the threshing part 5 is located on the left rear part. A waste disposal device (for example, a cutter) 6 is mounted behind the tank 4 and the threshing unit 5. A grain auger tube 7 is arranged behind the grain tank 4 and in front of the right side of the slagging treatment device 6. It can be swiveled around. In front of the threshing unit 5, there is provided a cutting and conveying unit 9 that moves up and down around the left and right fulcrum of the rear part.

  According to the above configuration, the planted culm is weeded by the weeding devices 9a,... Of the cutting and transporting unit 9, and is caused by the culling pulling device 9b, and is harvested by the cutting blade device (not shown). The harvested cereals are transferred to the cereal conveyor 9c and transferred to the feed chain 11 of the threshing unit 5. Next, the cereals are fed into the handling chamber 12 by the feed chain 11 and threshed by a handling cylinder (not shown). Further, the threshing is wind-selected by a sorting unit (not shown) at the bottom of the threshing unit 5. Next, the first selected grain is stored in the grain tank 4 by the first cerealing machine 13, and the stored grain is taken out through the cerealed auger cylinder 7 and the discharge auger cylinder 8. In addition, the sawdust sorted by the sorting unit (not shown) of the threshing unit 5 is discharged from the rear part to the outside of the machine, and the threshed waste that has been transported rearward by the feed chain 11 is sent to the waste treatment device 6. Is shredded and discharged outside the machine.

Next, a specific configuration of the Glen tank 4 will be described with reference to FIGS.
The glen tank 4 is composed of a substantially rectangular synthetic resin box that is long in the front-rear direction. The glen tank 4 is placed on a sheet metal casing 10 that is long in the front-rear direction and secured with bolts and nuts. The lower helix 10a is supported on the bottom of the casing 10, and the grains are conveyed backward. Further, along the left side of the front side of the grain tank 4, a spiral cereal type first cerealing machine 13 is erected, the first grain selected by the threshing unit 5 is cerealed, and the left side of the grain tank 4. It is configured to be introduced from the opening. In addition, a lid 17 that pivots up and down and opens and closes is provided at an opening portion that is configured near the upper center of the Glen tank 4.

  Further, the cereal auger tube 7 is disposed in the rear part near the center of the Glen tank 4, and is configured as a rear side bulging part 4a that bulges the outer side (right side) of the Glen tank 4 toward the rear side. In addition, the cereal auger tube 7 is configured to be covered with the rear bulge portion 4a in a right side view.

  And the lower part of this rear side bulging part 4a is comprised in the front falling inclined surface 4b, the space part 18 is formed under the rear side bulging part 4a, and the said cereal auger cylinder 7 and this space part 18 are formed. A turning motor 19 and a battery 20 for turning the discharge auger cylinder 8 are provided. Further, the right side wall portion of the Glen tank 4 is configured as a right side upper bulging portion 4c that bulges the upper side to the right side with respect to the lower side wall 4d.

  As described above, since the left side surface of the cerealing auger cylinder 7 is configured to be covered with the rear side bulging portion 4a of the grain tank 4, the cover of the cerealing auger cylinder 7 is increased while increasing the capacity of the grain tank 4. It can be abolished and the cost can be reduced.

  Moreover, since the lower part of the back side bulging part 4a was comprised by the front-falling inclined surface 4b, the flow of the grain of the back side bulging part 4a can be made favorable, and a grain can be discharged | emitted smoothly. Further, by using the lower space portion 18 of the rear bulge portion (4a) of the Glen tank 4, a turning motor 19 and a battery 20 can be arranged in the vicinity of the cereal auger tube 7 and the discharge auger tube 8, Troubles of electrical components can be reduced.

  Further, as shown in FIGS. 8 to 10, front and rear grips 23a and 23b are detachably attached to the upper portion of the right side wall of the glen tank 4 with bolts and nuts. Note that the front and rear grips 23, 23 may be a continuous and integral structure. Further, as shown in FIG. 11, upper and lower grips 23 c and 23 d may be provided on the right side wall of the Glen tank 4.

  Thus, by using the grip 23a, 23b, 23c, 23d and the opening (not shown) for connecting the upper end of the first cerealing machine 13 on the left side wall of the Glen tank 4, the Glen tank 4 can be easily made. It can be attached and detached.

  Further, as shown in FIG. 7, in the vicinity of the rear of the cereal auger 7 of the traveling vehicle body 1, a vertical support pin 22 is provided on the inner side of the rear end portion of the rear bulge portion 4 a of the Glen tank 4, and this support is provided. The pin 22 is configured to pivotally support the right front end portion of the waste disposal apparatus 6 and to rotate the waste disposal apparatus 6 rearward. With the above configuration, the waste disposal apparatus 6 can be rotated backward while increasing the capacity of the Glen tank 4, and the maintenance can be smoothed.

  Further, as shown in FIGS. 5, 12, and 13, a steel plate cover that can be closed around the vertical axes 24a, 24a over the entire width in the front-rear direction of the lower right side wall of the Glen tank 4 and the lower right side of the rear side wall. 24 is arranged. The cover 24 is configured so that the rear end thereof can be rotated around the vertical axes 24a and 24a to be opened, and the right upper bulging portion 4c of the Glen tank 4 projects rightward from above the cover 24. It is configured as follows. By the said structure, the damage by the grain candy etc. of the glen tank 4 made from a synthetic resin can be prevented, and durability can be improved.

Next, the swing sorting shelf 36 of the threshing unit 5 will be described with reference to FIGS.
In the treatment chamber 12, a treatment barrel 31 with teeth is pivoted through a treatment barrel shaft in the front-rear direction, and a lower outer periphery of the treatment barrel 31 is covered with a receiving net 32. A feed chain 11 for transferring the threshing culm is provided on the left side of the handling chamber 12, and a waste transporting chain (not shown) is connected to the terminal side of the feed chain 11, so that the threshed waste is discharged to the rear. It is configured to be conveyed to the scissor processing device 6.

  Further, a sorting unit 33 is provided from the lower side to the rear side of the handling chamber 12. The sorting air is sent from the Kara 34 to the sorting air passage 35 in the front-rear direction, and the sorting air passage 35 is provided with a swinging sorting shelf 36 that reciprocally swings in the front-rear direction. On the upper side of the swing sorting shelf 36, there is provided a rough sorting section including a grain pan 37, a grain sheave 38, a front stroller 39, a chaff sheave 40, and a rear stroller 41 from the front side to the rear side. On the lower side of the sorting shelf 36, a fine sorting portion comprising a lower glen sieve 42 of the mesh body is provided, and is configured to receive the cereal from the handling chamber 12 and to perform specific gravity sorting while being oscillated and transferred to the rear side.

  Further, the bottom of the sorting air passage 35 has the first receiving rod 43 with the first spiral 43a for receiving the first selected grain and the second receiving portion with the second spiral 44a for receiving the second selected item. A receiving box 44 is provided, a dust exhaust fan 45 is provided on the right side of the rear end of the sorting air passage 35, and light wastes sorted by the swing sorting shelf 36 and sent to the rear side are sucked and discharged outside the machine. The waste disposal device 6 is provided on the rear side of the dust exhaust fan 45.

  As shown in FIG. 17, the chaff sheave 40 is configured such that the inclination angle can be adjusted by means of, for example, a sheet metal cutting plate 40a, so that the sorting air passes through the holes 40b of the cutting plate 40a,. It is configured.

  According to the above configuration, the sorting air passes through the holes 40b of the chaff sheave 40 and flows to the upper surface of the crevice plate 40a, so that sawdust containing moisture on the upper surface of the chaff sheave 40 is obtained. Can be prevented, and the closing between the front and rear cutout plates 40a,... Can be prevented to facilitate the fall recovery of the grains, and the third loss can be reduced. In addition, the sorting air can flow stably between the hollow plates 40a of the chaff sheave 40, and the sorting performance can be improved.

  Moreover, the said effect can be stabilized and improved by apply | coating a water repellent to the cut-out board 40a. Further, when a water repellent is applied to the holes 40b of the cutout plates 40a,..., Wear of the water repellent can be prevented and the durability of the effect can be enhanced.

  Further, as shown in FIG. 18, the grain pan 37 of the swing sorting shelf 36 may be configured by a breathable plate (for example, a grinder grindstone plate) having fine holes. According to the said structure, since a selection wind passes through the fine hole of the Glen pan 37 and a selection wind flows along the surface of the Glen pan 37, adhesion of sawdust can be prevented and selection failure can be avoided.

  Further, as shown in FIGS. 19 and 20, on the upper side of the swing sorting shelf 36, a grain pan 37, a grain sheave 38, a front strobe rack 39, a chaff sheave 40, and a rear stroll rack 41 are arranged from the front side portion toward the rear side portion. Are provided below the discharge port 12a behind the handling chamber 12 so as to be provided with front side Strolacks 39,. The left and right intervals of the front Strollacs 39 are configured to be narrower than the left and right intervals of the rear Strollacs 41, and the front Strollacs 39 are formed of a short front Strollac 39a and a long front Strollac 39b. Are alternately arranged, and these long and short front stroks 39a,..., 39b,.

  According to the above configuration, the grain is separated from the sawdust by the front Strollac 39,... Having a narrow left-right distance, and the downward fall of the grain is promoted, and the sawdust is passed over the chaff sheave 40. It is sent to the side Strollac 41,. Therefore, grain loss can be reduced and sorting accuracy can be increased.

Next, the reduction processing configuration of the second selected item will be described based on FIGS. 21 and 22.
The feeding speed of the feed chain 11 of the threshing unit 5 is configured to be transported and shifted at a transportation speed proportional to the traveling speed of the crawler traveling device 2, and on the terminal side of the second spiral 43 a of the second receiving rod 43, The lower end part of the masher 14 is connected continuously. Then, the upper discharge port of the second cerealing machine 14 is faced to a part away from the feed chain 11 above the outer part of the receiving net 32 of the handling chamber 12, and the second cerealing product is swung through the outer side of the receiving net 32. It is configured to return to the sorting shelf 36.

  According to the said structure, since the grain straw is conveyed and threshed by the conveyance speed of the feed chain 11 with the conveyance speed proportional to the traveling speed of the crawler traveling apparatus 2, the branch branch contained in the second thing can be decreased. And the branch in the second thing selected by the second receiving rod 43 is conveyed to the second cerealing machine 14 while degranulating with the second spiral 43a, and the second cereal that has been cerealed by the second cerealing machine 14. The material is directly reduced onto the swing sorting shelf 36 through the outside of the receiving net 32 of the handling chamber 12 and sorted by the swing sorting shelf 36. Therefore, the second product can be smoothly threshed while reducing the threshing load of the handling chamber 12.

  Next, another embodiment of the feed chain 11 will be described based on FIG. 23, FIG. 24 and FIG. In this embodiment, it is intended to smoothly transfer the cereals on the starting end side of the feed chain 11.

  The feed chain 11 is wound around a front roller 11a, a rear roller (not shown), and a drive sprocket (not shown), and the upper transport portion of the feed chain 11 is configured to be inclined upward.

  Then, when providing the start end side clamping guide rod 48 facing the transport start end side portion of the feed chain 11, the support 47 is pivotally supported on the feed chain frame 49 by the left and right pins 47a so as to be rotatable up and down. The starting end side clamping guide rod 48 is attached to the support body 47 so as to press downward via the front and rear links 50a and 50b and the spring 50c.

Further, the end-side clamping guide rod 51 arranged to face the end-side portion of the feed chain 11 is supported so as to be pressed downward by the clamping rods 52,.
According to the above-described configuration, the start side clamping guide rod 48 moves up and down in parallel at the start end side portion of the feed chain 11, and when there are a large number of transported grains, the front and rear links 50 a and 50 b are the pins 47 a of the support 47. It is possible to turn upward around the start end side of the start end side clamping guide rod 48 so that the start end side can be turned largely upward. Therefore, even when the transporting culm from the culm transporting device 9c of the cutting and transporting unit 9 suddenly increases, it is possible to smoothly take over to the starting end side portion of the feed chain 11 while preventing the spilling and disturbance of the culm. it can.

Combine side view Combine rear view Overall plan view of combine Top view of Glentank Glen tank side view Glen tank rear view Plan view of the Glen tank Combine side view Combine rear view Plan view of the Glen tank Combine side view Combine side view Combine rear view Cutting side view of threshing section Cutting plan view of threshing section Cutting side view of threshing section Front view of chaff sheave Glen pan cut side view Cutting side view of threshing section Cutting plan view of threshing section Side view of threshing section Front view of threshing section Combine side view (A) Side view of feed chain (B) Top view of feed chain (C) Front view of feed chain Side view of feed chain

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Traveling vehicle stand 2 Crawler traveling device 3 Steering part 4 Glen tank 4a Rear side bulging part 4b Front downward inclined surface 5 Threshing part 7 Graining auger cylinder 8 Discharge auger cylinder 18 Space part 19 Turning motor 20 Battery

Claims (3)

  A grain tank (4) is disposed on the left and right sides of the rear part of the traveling vehicle body (1), and a threshing part 5 is disposed on the other side of the left and right sides. A cereal auger tube (7) is erected, and a rear bulge portion (4a) bulging rearward toward the left and right sides of the grain tank (4) is formed in the rear, and the cereal auger A grain tank for a combine, characterized in that the left and right sides of the cylinder (7) are covered with the rear bulge (4a).   The grain tank for a combine according to claim 1, wherein the lower part of the rear bulge part (4a) of the grain tank (4) is configured to be a front-falling inclined surface (4b).   A space portion (18) is formed below the rear bulge portion (4a) of the Glen tank (4), and the cereal auger tube (7) and the discharge auger tube (8) are turned in the space portion (18). The combined grain tank according to claim 1 or 2, further comprising a turning motor (19) and a battery (20).

Images