JP2009077672A - Combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a combine harvester so designed that a driving section comprising an engine 8 and a compressor 13 has a compact construction and is improved in durability through preventing excess load from applying onto the input shaft of the compressor 13. <P>SOLUTION: The combine harvester is so designed that a gear case (10) is set up so as to function to dividingly transmit a revolving mechanical power outputted from the crank shaft (9) of the engine (8) to an unloading conveyance spiral (11) provided on the lower part of grain tank (7) and to the compressor (13) beneath a grain-flowing-down guide plate (12) set up sidlingly at the bottom of the grain tank (7). Secondly, the combine harvester is so constructed that the compressor (13) is fitted on a recessed part (α) formed in the rear of the engine (8) and the compressor (13) is driven from the cooling fan shaft (8a) of the engine (8). <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a combine.

  As disclosed in Patent Document 1 below, an air compressor for an air conditioner is provided below a cockpit in a combine cabin, and the engine driving force is stored through a gear case connected to the engine. It is provided so as to be transmitted to the transverse feed spiral of the tank and driven.

  Below the grain storage tank, a falling plate is provided inclined, the gear case is provided behind the engine body, and the compressor is disposed below the falling plate of the grain storage tank behind the gear case body. Is arranged.

An input shaft of the compressor is connected to a drive shaft protruding from the transmission gear case via a drive transmission means, and the compressor is driven by the drive shaft.
Japanese Patent No. 3633786

  For example, a grain storage tank that temporarily stores threshed grains obtained by threshing cereal grains with a threshing device is placed on the upper side of the traveling carriage of the combine, and an engine is placed on the front side of the grain storage tank. A compressor for an air conditioner is provided, and the driving force of the engine is transmitted to the transverse spiral of the grain storage tank via a transmission gear case connected to the engine so as to be driven. Provided.

  Below the grain storage tank, a falling plate is provided to be inclined, the gear case is provided behind the engine body, and the compressor is located below the falling plate of the grain storage tank behind the gear case body. Is provided.

  The input shaft of the compressor is connected to a drive shaft projecting from the transmission case via a drive transmission means, and the compressor is driven by the drive shaft. However, these configurations are complicated. The cost is up. It intends to solve these problems.

In order to solve the above problems, the present invention takes the following technical means.
That is, the invention according to claim 1 is provided with a grain storage tank (7) on the upper side of the traveling chassis (4), an engine (8) on the front side of the grain storage tank (7), and the engine (8 ) Is provided in a tilted state at the bottom of the grain storage tank (7) and the transfer helix (11) for discharge provided at the lower part of the grain storage tank (7). Further, the present invention is a combine characterized by providing a gear case (10) that branches and transmits to the compressor (13) below the grain flow guide plate (12).

  According to a second aspect of the present invention, the compressor (13) is attached to a recess (A) formed in the rear part of the engine (8), and the compressor (13) is driven from a cooling fan shaft (8a) of the engine (8). It is set as the combine of Claim 1 characterized by the above-mentioned.

  According to the invention described in claim 1, in order to install the compressor 13 using the space below the grain flow guide plate 12 provided in an inclined state at the bottom of the grain storage tank 7, Space can be used effectively. Further, for example, if the grain storage tank 7 is configured to be openable to the outside of the machine body, the maintenance of the compressor 13 can be easily performed.

  According to the second aspect of the present invention, in addition to the effect of the first aspect of the present invention, the driving portion composed of the engine 8 and the compressor 13 can be configured compactly. The vibration and the vibration of the compressor 13 become the same, and it is possible to improve the durability by preventing an excessive load from being applied to the input shaft of the compressor 13.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
A traveling vehicle 2 is provided on the upper side of the traveling crawler 3 on the left and right sides of the traveling device 2 of the combine 1, and a cutting device 5 for cutting napped grains is provided at a front portion of the traveling vehicle 4. A threshing device 6 that receives the supply of the cereal and threshs the cereal, and a cereal storage tank 7 that receives the supply of the threshed grain and temporarily stores the engine 8 and the like are provided on the upper side of the traveling chassis 4. It is placed. Rotational power output from the crankshaft 9 of the engine 8 is input into the gear case 10, and through the gear case 10, a discharge transfer spiral 11 that is pivotally supported in the lower part of the grain storage tank 7, It is the structure which provided in order to rotationally drive the compressor 13 grade | etc., Provided in the inclination part (A) of the grain flow lowering guide plate 12 provided in the lower part in the grain storage tank 7, The relative positions of the compressor 13, the grain storage tank 7, the gear case 10, etc. will be mainly illustrated and described.

  As shown in FIG. 3, a traveling device 2 in which a pair of left and right traveling crawlers 3 that travel on the soil surface is stretched is disposed below the traveling chassis 4 of the combine 1. A threshing device 6 is placed. The napped grains are harvested by the harvesting device 5 at the front part of the traveling chassis 4 and transferred to the rear upper part, and the threshing is carried out by the feed chain 14 of the threshing apparatus 6 and the clamping rod 15 while being sandwiched and transferred. The threshed and selected grain is supplied into the grain storage tank 7 disposed on the right side of the threshing device 6 and temporarily stored.

  As shown in FIG. 3, in the front part of the traveling chassis 4, a narrow guide 16 that separates the napped grains, each weed body 17, each pulling device 18 that raises the napped grains, and the raised grains Each of the scraping devices 20 of the culm scraping and transporting device 19 for scraping the culm, a cutting blade device 21 for cutting the scraped culm, and the threshing device 6 A cutting device 5 is provided that includes the root and tip transfer devices 22 and 23 of the cereal scraping transfer device 19 to be delivered to the feed chain 14 and the holding rod 15. The mowing device 5 is raised and lowered with respect to the soil surface by a telescopic cylinder 24 that is hydraulically driven.

  A support pipe rod 25b provided at the upper end portion of the support rod 25a inclined from the lower front portion to the upper rear portion of the cutting device 5 is rotatably supported by a support device 25c provided on the upper side surface of the traveling chassis 4. When the telescopic cylinder 24 is operated, the reaping device 5 is rotated up and down together with the support rod 25a.

  In the culm transfer path formed by the culm scraping transfer device 19 of the reaping device 5, the supply of cereals to the threshing device 6 is performed by contacting the culm that is harvested and transferred. A cereal sensor 5a for detecting presence or absence is provided.

  As shown in FIG. 3, an operation device 26a for starting and stopping the combine 1 and adjusting each part, etc., and a cockpit 26b are provided at the front part on the grain storage tank 7 side. The engine 8 having the crankshaft 9 is placed on the front side of the grain storage tank 7 below the seat 26b. The rotational power output from the crankshaft 9 of the engine 8 is input into the gear case 10.

  As shown in FIGS. 1 to 3, on the upper side of the traveling chassis 4, there is placed a grain storage tank 7 that receives and stores the grain that has been threshed by the threshing device 6, and the grain storage tank. The engine 8 is mounted on the front portion of the engine 7, and the rotational power output from the crankshaft 9 of the engine 8 is input into the gear case 10, via the gear case 10, to the lower part of the grain storage tank 7. The discharge transfer spiral 11 provided with a shaft support and the compressor 13 and the like provided on the lower side of the inclined portion (A) of the grain flow guide plate 12 provided in an inclined state below the grain storage tank 7 are rotationally driven. It is a configuration provided as much as possible.

  According to the above description, the grain storage tank 7 for storing the threshed grain is provided on the upper side of the traveling chassis 4, the engine 8 is provided on the front side of the grain storage tank 7, and the crankshaft of the engine 8 is provided. 9, the output rotational power is input to the gear case 10, and via the gear case 10, the discharge transfer spiral 11 provided at the lower part of the grain storage tank 7 and the lower part in the grain storage tank 7 are provided. By providing the compressor 13 and the like provided on the lower side of the inclined portion (A) of the grain flow guide plate 12 so as to be rotationally driven, the space for installing the compressor 13 can be used effectively.

  As shown in FIGS. 1 to 3, the compressor 13 is attached to the engine 8 by being positioned in a recess (A) on the rear side of the engine 8, and the output of the rotational power is output from the cooling fan shaft 8a. It is a configuration provided as much as possible.

  The compressor 13 is provided in a recess (A) on the rear side of the engine 8, and the output of the rotational power is provided to be output from the cooling fan shaft 8a, so that the arrangement of the compressor 13 is made compact. Can be laid out. Moreover, the piping length can be shortened. Furthermore, by attaching the compressor 13 to the engine 8, the vibrating body is the same, and it is possible to prevent an extra load from being applied to the shaft of the compressor 13.

  A potentiometer type vehicle speed sensor 10b for detecting the traveling vehicle speed is provided in the transmission path of the transmission mechanism 10a in the gear case 10 for traveling mounted on the front end of the traveling chassis 4. ing.

  On the rear side of the grain storage tank 7 for discharging the grains stored in the grain storage tank 7 to the outside of the machine, as shown in FIG. Discharge with a vertical orientation, which is mounted so as to be pivotable. A discharge spiral 28b that discharges the grain to the outside of the combiner 1 over the entire length of the combine 1 is provided at the upper end of the discharge support cylinder 27a. The auger 28a is disposed in the front-rear direction so as to be telescopic, pivotable up and down, and pivotable left and right.

  As shown in FIG. 4 and FIG. 5, the operation room 29 is provided with a left ceiling plate 30d, middle front and middle rear ceiling plates 30a and 30b, and front horizontal and front vertical ceiling plates 31a and 31b. Front and rear connection pipes 32a and 32b are provided, and the rear connection pipe 32b, the middle and rear ceiling plate 30c, and the support plate 32c provided on the rear rear connection pipe 32b are U-shaped. The receiving plate 33a is provided, and a window frame plate 34 is provided below the receiving plate 33a.

  As shown in FIGS. 4 and 5, the front horizontal / front vertical ceiling boards 31a, 31b are provided with a work balance stay 34a and a roof mounting stay 34b, so that the front horizontal / front vertical ceiling boards 31a are provided. , 31b. Reference numeral 34c denotes a glass adhesive member, which also serves as a reinforcing member.

As a result, strength can be increased, sealing performance can be ensured, and weight can be reduced.
As shown in FIGS. 6 to 8, an upper glass window 35 having an upper dustproof material 35 a detachably attached to the outer periphery by an open / close method is provided on the upper left side of the window forming the operation chamber 29, and on the lower part. A lower glass window 36 in which the lower dustproof material 36a is fixed to the outer peripheral portion with an adhesive in the fixing method, and a front glass window 37 in which the front dustproof material 37a is fixed to the outer peripheral portion in the fixing method with an adhesive on the front portion. This is a configuration in which the operation chamber 29 is formed. Further, as shown in FIG. 8, the attachment is configured such that the lower attachment portion 38 is attached in the vertical direction with bolts, nuts, and the like.

Thereby, sealing performance and strength can be ensured at low cost. In addition, the aesthetics can be improved. Furthermore, assembly is easy.
As shown in FIGS. 9 and 10, a seal member 39 a is provided inside the radiator 39 below the operation chamber 29.

Thereby, the improvement of a sealing performance, reduction of an assembly man-hour, etc. are aimed at.
In the operation chamber 29, as shown in FIG. 11, a part of the lower part of the upper opening / closing window 40a and the upper part of the lower opening / closing window 40b are provided in a superposed state, and both are provided so as to be movable up and down. . Further, a lock device 40c is provided. The location where the locking device 40c is located is provided with a notch 40d.

  Accordingly, the workability can be improved by providing both the upper opening / closing window 40a and the lower opening / closing window 40b so as to be freely opened and closed. Further, the opening can be enlarged by providing the notch 40d.

  As shown in FIG. 12, the operation chamber 29 has an upper side surface of the clutch box 41 provided at a lower rear portion of the operation chamber 29 and a rear side portion of the front glass window 37 from a rear portion of the operation chamber 29. In this manner, the operation chamber 29 is reinforced by providing a horizontal frame 41a having a square or round cross-sectional shape.

As a result, the reinforcement of the operation chamber 29 can avoid interference, simplify the configuration, improve visibility, and improve workability.
As shown in FIG. 13, a U-shaped holding tool 42 is mounted with a bolt 42a or the like at a substantially central lower portion in the front-rear direction of the upper opening / closing window 40a provided in the operation chamber 29, and is attached to the horizontal frame 41a. The fixing lever 42c is rotatably provided between the support tools 42b and 42b via a spring 42d, and the fixing lever 42c is engaged with the holding tool 42 or is operated to open. The upper opening / closing window 40a can be operated in a fixed state or an open state.

Thereby, workability | operativity improvement, damage prevention, etc. can be performed.
As shown in FIGS. 14 and 15, a wrist rest 43a is provided on the rear side of the power steering lever 26d and the panel projection 26c, on the side of the door lever 43b and above the handle 43d, and this wrist rest 43a. This is a configuration in which a driving operator can put a wrist on the upper side of the vehicle and perform a driving operation. Further, the striker 43e is provided at the front side from the portion connecting the handle 43d portion and the front side of the step entrance.

As a result, the wrist rest 43a is positioned below the handle 43d, so that it is possible to prevent the door and the like from being opened due to an erroneous operation during traveling. In addition, getting on and off is easy.
As shown in FIGS. 14 and 15, a door lock 43e on the indoor side of the operation chamber 29 is provided to be located outside the panel convex portion 26c of the panel 26e, and is provided below the handle 43d. Yes.

  As a result, the driver is inclined forward during the harvesting work, and even if the foot is pressed forward, the foot locks the door lock by the foot being below the handle 43d outside the panel convex portion 26c. Pushing can be prevented.

  A rearview mirror 44 is provided on one side of the operation chamber 29 as shown in FIG. The rearview mirror 44 is provided with a U-shaped attachment plate 45a of a fixture 45 at the upper end portion of the joint between the upper glass window 35 and the front glass window 37 of the operation chamber 29. The support tool 45 is provided. A spring 45 c is provided in the lower part of the support pipe 45 b of the support 45.

  An insertion shaft 44a provided on the rearview mirror 44 is inserted into the support pipe 45b of the support tool 45, inserted to a stop pin 44b provided on the insertion shaft 44a, and a double nut 44c is screwed into the lower end portion. Thus, the rear-view mirror 44 is provided at a predetermined position, with the lower end fixed to the front.

  Thereby, the rearview mirror 44 can be secured at a predetermined position by the weight of the rearview mirror 44. In addition, the aesthetics can be improved. Furthermore, the cost will be reduced by eliminating the notch.

  As shown in FIGS. 17 to 19, the surface plate 46 a of the operation device (box) 46 is provided with various switches 46 b in a protruding state, and the surface plate 46 a is provided with a light emitting LE sheet 47, and the light emitting LE. Each laminate 48 is applied to the front and back surfaces of the sheet 47.

  Thus, the light emitting LE sheet 47 is provided on the surface plate 46a of the operation device (box) 46, so that night farming can be performed without danger.

Side view of the relationship between the grain storage tank and the engine Side tilt diagram of engine and compressor Combine left side side view Side perspective view of the operating room framework Enlarged side perspective view of the operating room framework Enlarged left side view of the operation room (B)-(B) enlarged sectional view of FIG. Enlarged rear view of the glass window on the right side of the operation room Enlarged side view of the right side of the operation chamber and radiator cover Right side frame side perspective view of the operation room Side view of the right side of the operation room Side view of horizontal frame installation in operation room Side perspective view of the upper left and lower windows of the operation room Top view of wrist rest Plan view of wrist rest and cockpit Enlarged side view of the rear mirror mounting part Plan view of the light emitting LE sheet portion of the operating device Side view of operating device BB expanded sectional view of FIG.

Explanation of symbols

4 traveling chassis 7 grain storage tank 8 engine 8a cooling fan shaft 9 crankshaft 10 gear case 11 discharge transfer spiral 12 grain flow down guide plate 13 compressor

Claims (2)

  A grain storage tank (7) is provided on the upper side of the traveling chassis (4), an engine (8) is provided on the front side of the grain storage tank (7), and output from the crankshaft (9) of the engine (8). Of the discharging spiral (11) provided in the lower part of the grain storage tank (7) and the grain flow guide plate (12) provided in an inclined state at the bottom of the grain storage tank (7). A combine comprising a gear case (10) for branch transmission to the lower compressor (13).   The compressor (13) is attached to a recess (A) formed in the rear part of the engine (8), and the compressor (13) is driven from a cooling fan shaft (8a) of the engine (8). The combine according to claim 1.

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