JP2006230353A - Combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a combine harvester which can improve the operability of steering operation members, eliminate the trouble of a cab 25, effectively utilize a limited operator space, and improve the amenity of an operator. <P>SOLUTION: This combine harvester is characterized by disposing a turning control steering lever 21 and a meter display on the front side wall of a driver's seat 20 and disposing various operating switches, dials, and operation levers 22, 23 for changing the speed of the vehicle body on the left side wall panel 33 of the driver's seat 20. Thus, the space of the cab 25 can maximally be utilized to improve the operability. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a combine that harvests planted cereals, and in particular, to a combine that has a configuration that improves the operability of a driver's cab.

The combine increases the ground contact area of the infinite crawlers that make up the crawler, enabling it to run freely even in soft fields such as paddy fields and to perform farming operations such as mowing.
A driver's cab with a combine cockpit is arranged with various levers such as a shift lever and a steering lever, operation switches for various operations, a display device for displaying work contents, a vehicle speed, and the like.
The operability of these operating means has been improved to devise a functional layout around the cockpit (Patent Document 1).
JP 2004-89150 A

  The above-mentioned conventional combine cab has various operation levers, operation switches, operation dials and display panels, etc. for the operation of the combine, the threshing of the harvested cereal, the temporary storage of the threshed grains and the discharge to the outside The operation equipment is arranged around the cockpit. In the layout of the prior art on the driver's cab such as the lever and the switch, there are structures in the space of the operator's feet and knees as shown in the plan view of FIG. 18 (a) and the side view of FIG. 18 (b). It is a structure that makes you feel cramped and uncomfortable.

  Therefore, there is room for arranging these combine operation devices in an organic manner, and to devise a layout that makes it easy for the operator to get on and off the space and to operate the devices.

  Furthermore, the layout of the above conventional combine cab has a small space for the operator, and there is room for improvement in work comfort, for example, when the operator is seated on the cockpit, the knee hits the front wall.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a combine that improves operability of an operator by eliminating the malfunction of a driver's cab, starting from the operability of the steering operation tool, and effectively utilizing the limited operator space.

The above problem is solved by the following solution means.
According to the first aspect of the present invention, a cockpit (20) is provided on a self-propelled vehicle body (2), and a front side wall panel (32) is provided on the front side of the cockpit (20) in the traveling direction, and an upper portion thereof. A steering operation tool (21) for controlling the turning of the vehicle body (2) and a display unit (36) for meters are arranged, and a side wall panel (33) and its side panel are arranged on the left side of the cockpit (20) in the traveling direction. It is a combine that has various operation switches, dials, and levers including operation levers (22, 23) for performing a shifting operation of the vehicle body arranged on the upper part.

  According to a second aspect of the present invention, a space for getting on and off an operator is provided on the right side in the advancing direction of the cockpit (20), and a detachable operation unit (for remote control of various functions) is provided behind the space. 40) The combine according to claim 1.

  According to a third aspect of the present invention, the front side wall panel (32) on the front side and the left side wall panel (33) and the front side wall panel (32) in front of the space for getting on and off the operator are provided. The combination portion according to claim 1, wherein the connecting portion is provided with depressions (32 a, 32 b) into which the knees of the operator seated in the cockpit (20) enter with a margin.

  According to the first aspect of the present invention, the various operation portions of the cab (25) are three-dimensionally configured to effectively utilize the dead space, thereby expanding the operator's foot space and improving comfort. Meters and automatic switches can be laid out on the front side of the operator to improve operability and visibility during the work by the operator.

  According to the second aspect of the present invention, the position of the switch for moving each auger to the left or right side arranged on the detachable auger operation panel (remote control switch) (40) that can be remotely operated and the auger (15) The operator can easily move the auger (15) to the left and right using the auger operation panel (40) with the movement direction coinciding with the operator. Further, when the auger operation panel (remote control switch) (40) is not used or when the auger operation panel (40) is used while seated in the cockpit (20), the remote control switch (40) is connected to the remote control installation part (42). Can be stored.

  According to the third aspect of the present invention, there is a cockpit seat (20) at the connection portion between the right and left side wall panels (33) and the front wall panel (32) of the front wall panel (32). ) Is provided with recesses (32a, 32b) that allow the operator's knees seated in the seat to enter with sufficient margins, so that when the operator is seated in the pilot seat (20), the left and right knees do not hit and the operator does not feel cramped. You can control the combine.

Embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a left side view of the combine 1 of the present embodiment, and FIG. 2 is a right side view of the combine 1 of the present embodiment. In the present specification, the left side and the right side refer to directions when the combine 1 is directed in the forward direction.

  As shown in FIG. 1 and FIG. 2, a traveling device body 4 having a pair of left and right traveling devices (hereinafter referred to as traveling crawlers) 3 traveling on the soil surface is disposed on the lower side of the vehicle body 2 of the combine 1. On the front end side of the vehicle body 2, a cutting device 9 having a weed ridge 8 is provided. Since the reaping device 9 is supported by the reaping device support frame 7 that moves up and down around the upper fulcrum of the vehicle body 2, the operator who has boarded the combine 1 moves the steering lever 21 of the driver's cab 20 forward and backward. It is the structure which raises / lowers up and down with the reaping device support frame 7 by tilting.

  Above the vehicle body 2, a threshing device 10 that takes over and transports cereals that are conveyed from the reaping device 9, and a grain tank 13 that temporarily stores grains threshed and selected by the threshing device 10. The auger 15 is connected to the rear part of the grain tank 13 and the grain in the grain tank 13 is discharged to the outside of the combine 1.

  That is, the combine 1 shifts the power of the engine (not shown) through a main transmission in a traveling transmission case (not shown) by the operator operating the HST main transmission lever 22 and the auxiliary transmission lever 23 in the cockpit 20, The vehicle travels at an arbitrary speed by being transmitted to the left and right traveling crawlers 3 and 3.

  Further, the combine 1 can travel in various turns by the operator tilting the steering lever 21 left and right in the cockpit 20. That is, when the steering lever 21 is tilted in the direction in which the combine 1 is to be turned, a speed difference is given to the left and right traveling crawlers 3 and 3 to change the traveling direction. Moreover, it is set as the structure which raises / lowers the reaping device 9 by moving the steering lever 21 to the front-back direction.

3 to 17 show the configuration of the cab 25 including the steering lever 21 and the handrest 30.
FIG. 3 is a perspective view of the driver's cab 25 including the cockpit 20 as seen from the upper rear side, and FIG. 4 is a perspective view of the front wall surface of the driver's cab 25 as seen from the upper rear side. The cab 25 includes a front side wall panel 32 and a left side wall panel 33, and a right side surface of the cab 25 is provided with a space for getting on and off an operator. A steering lever 21, abbreviated as a power steering lever, is provided on the right side of the front wall panel 32, and a cradle for placing an operating arm or an operator when operating the steering lever 21 at a position close to the rear thereof. An arm 35 that supports the (handrest) 30 and the cradle 30 and serves as a support bar when the operator gets on and off is provided on the airframe. A front meter panel 36 is provided on the left side of the cradle 30 to display a traveling speed, a storage amount of grains in the Glen tank, and the like, and is a left side portion of the wall panel 32 on the front side on the left side of the meter panel 36. Is provided with an operation panel 37 for manipulating the reaping device 9 and a traveling device. The cradle 30, the arm 35, the meter panel 36, and the operation panel 37 are obtained from an integrally molded synthetic resin.

  The left side wall surface panel 33 has a main transmission lever 22, an auxiliary transmission lever 23, a mowing / threshing lever 24, an accelerator lever 26, and a guide plate 38 having a lever guide for operating these levers in the front, rear, left and right directions. Is provided. Further, although the cockpit 20 is provided at the rear of the cab 25, a handle 39 is provided on the fuselage on the right side of the cockpit 20 and located on the rear side of the space for getting on and off the operator. The handle 39, together with the cradle support arm 35, serves as a grip when the operator gets on and off the combine 1.

  Further, an installation portion 42 (see FIG. 8) of an auger operation panel (remote control switch) 40 for auger control is provided between the cockpit 20 and the handle 39. Therefore, when the operator does not use the auger operation panel (remote control switch) 40 or uses the auger operation panel 40 while sitting on the cockpit 20, the remote control switch 40 is stored in the remote control installation portion 42, so that the cockpit 20 When the operator uses the remote control switch 40 apart from the above, it can be carried. When the operation of discharging the bag from the auger 15 is performed, for example, when the auger 15 is moved in the left-right direction, the positions of the respective movement switches on the left or right side of the auger 15 arranged on the auger operation panel 40 are However, as described above, it is difficult for the operator to operate. However, as described above, the auger operation switch 40 is placed on the left or right side of the auger operation panel 40 and the auger 15 is moved in the direction in which the auger 15 moves in the same direction. By directing the operation panel 40, the operator can easily move the auger left and right.

  Further, when the operator is seated in the cockpit 20, large depressions 32 a are formed in the lower portions of the arrangement portions of the various switches and lever groups so that the knees do not hit the inner wall surfaces of the front wall panel 32 and the left side wall panel 33. , 32b. In particular, various switches previously provided on the front wall panel 32 are moved to the left side wall panel 33, and the front side wall panel 32 is conventionally prevented so that the steering lever 21 does not hit the right knee of the operator. Therefore, large depressions 32a and 32b can be formed in the lower portion of the front wall panel 32 so that the left and right knees do not hit when the operator sits on the cockpit 20. You can control combine 1 without thinking. FIG. 5 (FIG. 5A is a plan view, FIG. 5B is a side view, and FIG. 5C is a perspective view) shows a schematic diagram of the above configuration.

  In addition, the operation part such as the main key 27 for turning on the power of the combine 1 and the combination switch 28 for the horn and turn signal is not provided on the operation part on the upper surface of the wall panel on the front side, but is provided on the fuselage side on the right rear of the cockpit Therefore, when the operator sits on the cockpit 20, the space where the knee does not hit increases.

  In this way, the various operation sections of the cab 25 are three-dimensionally configured to effectively utilize the dead space, thereby expanding the operator's foot space and improving comfort, and providing meters and automatic switches on the front of the operator. Thus, the operability and visibility during work by the operator can be improved.

The cradle 30, the arm 35, the meter panel 36, and the operation panel 37 are manufactured by dividing an integrally formed synthetic resin into an upper mold and a lower mold, and a cross-section U as a strength member between the obtained upper mold and the lower mold. In this configuration, the upper mold and the lower mold are overlapped and integrated after inserting a steel frame (not shown). Thus, a space can be secured when the harness is routed in the resin in which the upper mold and the lower mold are overlapped and integrated.
Further, the handle in front of the cockpit seat 20 may be divided into “upper mold” and “lower mold” with resin, and a U-shaped frame may be passed through the handle as a hardness member.

  As shown in the view from the left rear of the steering lever 21 in FIG. 6, if a finger placing rod 21 b (FIG. 6A) is provided on the left side of the grip 21 a of the steering lever 21, Even if the thumb is placed on the heel 21b (FIG. 6B), the thumb does not inadvertently slide down. Therefore, erroneous operation of the switch 21c provided on the left side of the grip 21a of the steering lever 21 can be prevented.

  Further, as shown in the drawing viewed from the right front of the steering lever 21 in FIG. 7, the protrusion 21d is provided on the lower right side of the grip 21a of the steering lever 21, so that the hand holding the grip 21a can hold the protrusion. It does not slide off from 21d.

Further, the auger operation panel 40 for auger operation is provided with a depression in the fuselage so that it can be placed on the right side of the cockpit 20, but the cockpit so that it can be placed on either the left or right side of the cockpit 20. It is desirable to provide a recess also on the left side of 20.
At this time, as shown in the plan views of the vicinity of the cockpit seat 20 in FIGS. 8 and 9, the auger operation panel 40 is disposed in the left side portion and the right side portion of the cockpit seat 20 so that the front and rear directions of the auger operation panel 40 are opposite to each other. Can be placed in the orientation.
As shown in FIG. 8, when the operator is placed on the right side of the cockpit 20, the operator operates the auger operation panel 40 while looking back at the right back, but the left side of the cockpit 20 as shown in FIG. When the auger 15 is extended directly behind the operator, switches for moving each auger are arranged so that it is convenient to stand and face backward to operate the auger operation panel 40. In this way, by unifying the turning direction of the auger 15 based on the direction operated by the operator, erroneous operation can be prevented.

  Further, when the engine cover (not shown) is opened to the side as shown in FIGS. 10 and 11 to maintain the engine below the cockpit 20, the auger operation panel 40 is integrated with the cockpit 20. Configure to open.

  The above configuration facilitates maintenance of the engine and the like. In particular, when the auger operation panel 40 is arranged on the left side of the cockpit 20, if the auger operation panel 40 is not opened integrally with the engine cover, the wiring may get in the way or the wiring may be cut. With the above configuration, such a problem can be prevented.

  8 and 12, when the auger operation panel 40 is disposed on the side portion of the cockpit 20, the auger manual lever 43 is disabled during the combine traveling, and the auger 15 is automatically extended and automatically extended. Only the storage switch 44 is enabled. This is because the auger operation panel 40 is provided in the vicinity of the cockpit 20 of the combine 1 to prevent the operator from inadvertently touching the auger manual lever 43 and operating the auger 15 by mistake. Since the automatic extension / automatic storage switch 44 is smaller than the auger manual lever 43 and there is no risk of accidental touching, only the automatic extension / automatic storage switch 44 is enabled even during the traveling of the combine. In addition, the auger operation panel 40 is further provided with an auger automatic overhang position setting dial 45, an emergency stop switch 46, a dredger discharge switch 47, and the like.

  As another embodiment of the present invention, as shown in FIG. 13, a side operation display unit 50 is provided on the outer side of the operation unit including the guide plates 38 of various levers provided on the left side of the cockpit 20. The display unit 50 uses a liquid crystal display. The display unit 50 includes information other than information (main information) on the front meter panel 36, such as the amount of soot in the Glen tank, the inclination of the vehicle body, and the turning pattern during turning (slow turning, brake turning, spin turning). Etc. are always displayed.

  Conventionally, the area of the information display section of meters using liquid crystal is small, and necessary information has been dealt with by switching the display of the liquid crystal display section. However, necessary information could not be confirmed quickly. However, in this embodiment, even if the display amount of work information increases, the operator can always confirm a plurality of pieces of information.

  Further, as shown in FIG. 14, the auger operation panel 40 is attached to the right center portion of the backrest of the cockpit 20. Further, the auger operation panel 40 can be rotated up and down on the right side of the backrest of the cockpit 20 like an armrest, and when not in use, it can be stored in the backrest side portion as shown by a one-dot chain line in FIG. It may be possible to prevent this.

  Further, as another embodiment of the present invention, as shown in FIG. 15, the front meter panel 36 is rotatably attached to a rotation fulcrum 35 a of the base of the cradle support arm 35, and the fulcrum of the cradle attachment arm 35 is rotated. The display state of the meter on the meter panel 36 can be turned with the fulcrum 35a as a fulcrum, and can be easily seen for each person whose conditions are different from those of the operator seated in the cockpit 20, such as an operator in a standing position. The rotation angle can be adjusted so that the display surface of the meter panel 36 can be directed to the position.

  Furthermore, as another embodiment of the present invention, as shown in FIG. 16, a seat 53 may be attached to the upper part of the auxiliary step 52 in the foot position of the operator who sits on the cockpit 20. Although this embodiment is a modification of the embodiment shown in FIG. 3, the main transmission lever 22, the auxiliary transmission lever 23, the mowing / threshing lever 24, etc. are also installed in the guide plate 38 on the left side of the cockpit 20 in this embodiment. Provided.

  The seat 53 is not only the upper part of the auxiliary step 52, but the latter half is formed of a bent plate material integrated to the lower part of the seating portion of the cockpit seat 20. The seat 53 is configured to be rotatable about an axis C oriented in the vertical direction at a substantially central portion below the seating portion of the cockpit seat 20.

  Conventionally, since the auxiliary step 52 is fixed to the vehicle body 2 of the combine 1 together with the cockpit 20, the operator sits on the cockpit 20 while the operator is sitting on the cockpit 20 at the time of work such as discharging the rod from the auger 15 to the outside. It was difficult to work facing outward. However, by rotating the seat 53 on the auxiliary step 52 to the outside, the operator can work while checking the state of the kite discharged from the auger 15 from the outside of the combine 1 body while on the seat 53. Can be easily performed.

  By the way, although the frequency of use of switch operation is increasing recently, there are a lot of various levers and switch groups in the layout of the conventional cab 25, and the frequently used various levers are arranged at easy-to-operate positions. Therefore, the switches are often located away from the operator.

  Therefore, as an embodiment of the present invention, as shown in the perspective view of FIG. 17A and the side view of the mounting portion of the arm 22a of the main transmission lever 22 in FIG. 17B, the left side of the cockpit 20 for the combine 1 is shown. A configuration in which a main transmission lever 22 such as an HST equipped with an L-shaped arm 22a is attached to a vertical wall surface of the side surface of the wall panel 55 can be used.

  By taking out the main transmission lever 22 from the wall surface of the wall panel 55, both the main transmission lever 22 and the switches can be laid out at positions close to the operator, and a stable operation space can be provided.

  The present invention can be used as a combine having excellent maneuverability.

It is a left view of the combine of one Example of this invention. It is a right view of the combine of FIG. It is the perspective view seen from the diagonally upper rear of the cab of the combine of FIG. It is the perspective view seen from the rear upper surface of the front wall surface of the cab of the combine of FIG. FIG. 5 is a plan view (FIG. 5A) and a side view (FIG. 5B) and a perspective view (FIG. 5C) showing the layout of the cab of the combine of FIG. 1. It is the figure seen from the left rear of the steering lever of the combine of FIG. It is the figure seen from the right front of the steering lever of the combine of FIG. FIG. 2 is a plan view of the vicinity of the cockpit of the combine of FIG. 1. FIG. 2 is a plan view of the vicinity of the cockpit of the combine of FIG. 1. FIG. 2 is a plan view of the vicinity of the cockpit of the combine of FIG. 1. FIG. 2 is a plan view of the vicinity of the cockpit of the combine of FIG. 1. It is a principal part side view of the vicinity of the cockpit of the combine of FIG. It is a perspective view which shows the side operation display part of the left side of the cockpit of the combine of one Example of this invention. It is a perspective view which shows the structure which provided the auger operation panel in the right center part of the backrest of the cockpit of the combine of one Example of this invention. It is a perspective view which shows the structure which made the front meter panel part of the cab of the combine of one Example of this invention rotatable. It is a perspective view which shows the rotatable sheet | seat provided in the upper part of the auxiliary step of the cab of the combine of one Example of this invention. FIG. 17 is a perspective view (FIG. 17 (a)) and a side view (FIG. 17 (b)) showing the configuration of the main transmission lever provided on the side wall surface panel of the combine cab of one embodiment of the present invention. It is a top view (Drawing 18 (a)) and a side view (Drawing 18 (b)) which show the layout of the cab of a prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Combine 2 Car body 3 Traveling device (traveling crawler) 4 Traveling device main body 7 Harvesting device support frame 8 Weeding shear 9 Harvesting device 10 Threshing device 13 Glen tank 15 Auger 20 Steering lever 21 Steering lever 21a Grip 21b Finger placing rod 21c Switch 21d Protrusion 22 Main transmission lever 22a L-shaped arm 23 Sub transmission lever 24 Mowing / threshing lever 25 Driver's cab 26 Accelerator lever 27 Main key 28 Combination switch 30 for horn and turn signal 30 Handrest 32 Front side wall panel 33 Side side Wall panel 35 Base support arm 36 Front meter panel 37 Operation panel 38 Guide plate 39 Handle 40 Auger operation panel 42 Auger operation panel installation part 43 Auger manual lever 44 Auger automatic extension / storage switch 45 Automatic auger position setting Dial 46 Auger emergency stop switch 47 籾 Discharge switch 50 Side operation display 52 Auxiliary step 53 Seat 55 Left side wall panel

Claims (3)

A cockpit (20) is provided on a self-propelled vehicle body (2), and a front wall surface panel (32) is provided on the front side of the cockpit (20) in the advancing direction, and the vehicle body (2) is controlled to turn on the front side. A steering operation tool (21) to be performed and a display unit (36) for meters are arranged,
On the left side in the direction of travel of the cockpit (20) is a side wall panel (33), on the upper part thereof various switches, levers including dials and operation levers (22, 23) for shifting the vehicle body. Combine that is characterized by arranging.   A space portion for getting on and off the operator is provided on the right side of the cockpit (20) in the traveling direction, and a detachable operation portion (40) capable of remotely controlling various functions is provided behind the space portion. The combine according to claim 1.   The right side of the front side wall panel (32) in front of the space for getting on and off the operator, the left side wall panel (33), and the connection part of the front wall panel (32) have a cockpit ( 20. The combine according to claim 1, further comprising recesses (32 a, 32 b) into which a knee of a driver seated in 20) enters with a margin.

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