CN101528528A - Steering handle and work vehicle having it - Google Patents
Steering handle and work vehicle having it Download PDFInfo
- Publication number
- CN101528528A CN101528528A CNA2007800395288A CN200780039528A CN101528528A CN 101528528 A CN101528528 A CN 101528528A CN A2007800395288 A CNA2007800395288 A CN A2007800395288A CN 200780039528 A CN200780039528 A CN 200780039528A CN 101528528 A CN101528528 A CN 101528528A
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- China
- Prior art keywords
- steering handle
- handle
- front shroud
- working truck
- extension
- Prior art date
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- 230000008859 change Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 241000604017 Lysimachia sikokiana Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/04—Hand wheels
- B62D1/06—Rims, e.g. with heating means; Rim covers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/04—Hand wheels
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D67/00—Undercarriages or frames specially adapted for harvesters or mowers; Mechanisms for adjusting the frame; Platforms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/04—Hand wheels
- B62D1/046—Adaptations on rotatable parts of the steering wheel for accommodation of switches
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
- Steering Controls (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
Abstract
The invention provides a structure of a steering handle for steering the traveling course of a working vehicle frame, which can ensure ample forward downward visibility of the working vehicle and can easily be grasped with strength at a suitable position. This steering handle 11 which is used for steering the traveling course of the working vehicle frame and has a substantially semicircular shape, formed by removing a forward potion in a traveling-direction on the planar view is such that by more forwardly extending the right end portion than the left end portion.
Description
Technical field
The present invention relates to steering operation working truck body advance route steering handle and have the technology of the working truck of this steering handle.
Background technology
In the past, there is the structure be provided with by forming the steering handle that circular handle portion constitutes as the grip structure that carries out the working truck steering operation, the operator can not realize working truck especially, uses the body of the sensation rotating operation working truck identical with the handle of holding general riding self-propelled vehicle.
At this, with combination machine etc. is the working truck of representative, different with general riding self-propelled vehicle etc., behind seat clan seat, need while the portion that extracts that body is advanced eye to the front the bottom, confirm the farmland the paddy stalk the portion of not cutting or extract the operation such as mobile of cutting, but the front part of described deflector is obstructed the view, and the operator need significantly change steering-hold, carry out operation with the state of " leaning forward " or with the state that erects.
In addition, compacter in order to make animal economy in described working truck, the space of setting operation seat is often made the structure that is accommodated in the save space.Therefore, be formed on configuration steering handle or operation seat etc. in the limited space, be configured to be seated under the state of operation seat the operator, the rear portion of steering handle is positioned at the huckle top.Its result, the operator is being seated at operation during seat, in case in the horizontal side that turns to or tiltedly stand up in the rear, after this, need make health carry out rotating to actions such as seat portion slip on one side, takes trouble such as operation to what operate seat.
As everyone knows, existence can improve such situation, in the structure of the steering handle described in " patent documentation 1 ".
Patent documentation 1:(Japan) spy opens the 2000-308409 communique
According to described " patent documentation 1 "; the handle portion of extending on one side by the circular arc that forwards draws in the inboard on one side by the cross handle hand lever that extends to about horizontal direction with at these cross handle hand lever both ends constitutes steering handle; can guarantee the visibility of body forward lower part; even the operator " does not lean forward ", also can keep the steering-hold of nature to just look at the portion that extracts of forward lower part.In addition because the shape at steering handle rear portion becomes the shape of significantly having removed, even the operator be landed in huckle under the state on the seat above also open, do not have above-mentioned worry, can easily carry out the operation of taking to the operation seat.
But, in described steering handle, by about handle portion is set, the hand slippage forwards of when rotary manipulation, taking advantage of a situation and holding with a firm grip respectively, in addition, compare with the steering handle that existing formation is circular, the handle scope, promptly, the scope that can hold with a firm grip with hand reality narrows down, so in the rotary manipulation of steering handle, even also there is situation about can not finely hold in the hand that urgent exchange is held.
In addition, by the densification of combination machine total length, there is the situation that causes being difficult to see the careless plate of branch by steering handle or front shroud.
Summary of the invention
The problem that invention will solve
In the present invention that can improve such problem, its problem provides a kind of in the steering handle to the advance route steering operation of working truck body, can guarantee enough visibilities of working truck forward lower part, and the structure of the steering handle that can easily firmly hold with a firm grip in position.
The means of dealing with problems
The present invention will solve problem as above, and then explanation solves the means of this problem.
Promptly, in steering handle of the present invention, this steering handle rotates and freely is provided on the working truck, operates turning to of this working truck, this steering handle is the roughly half-circle-arc shape of working truck front side opening, makes the right part of this steering handle forwards extend shaping than the left part.
In steering handle of the present invention, be provided with the extension that protrudes to the left and right respectively at the both ends, the place ahead of described steering handle, and at the upper end of this extension configuration recess.
In steering handle of the present invention, before the extension of described steering handle, be configured in a plurality of protuberances that fore-and-aft direction is arranged from following side to the inside.
In steering handle of the present invention, in the recess on the extension of described steering handle, the operation switch of Working mechanism operation is carried out in configuration, makes the direction of operating of this operation switch consistent with the direction of action of the thumb of holding described steering handle.
In steering handle of the present invention, constitute described operation switch upper end and look not outstanding by side cross-section from handle body.
In steering handle of the present invention, be formed in half portion of holding of the fore-and-aft direction of described steering handle by the rear, the part of the portion of being in one's hands has large-diameter portion.
In working truck of the present invention, have the front shroud of the front side that covers the Steering gear set described steering handle, simultaneously the front-end configuration of this steering handle above this front shroud left and right sides.
In working truck of the present invention, front shroud with the front side that covers the Steering gear that sets described steering handle is cut apart this front shroud up and down simultaneously, looks the generally perpendicularly upright lower cover of establishing of formation in the side, make the upper lid tilted rearward, be bent to form the left end of this front shroud at line of vision rear, plane.
In working truck of the present invention, front shroud with the front side that covers the Steering gear that sets described steering handle, simultaneously this steering handle front-end configuration above the left and right sides of this front shroud, and cut apart this front shroud up and down, look the generally perpendicularly upright lower cover of establishing of formation in the side, make the upper lid tilted rearward, be bent to form the left end of this front shroud at line of vision rear, plane, the front-end configuration of this steering handle on described upper lid prolongs in front.
The effect of invention
As effect of the present invention, receive effect shown below.
In steering handle of the present invention, freely be provided on the working truck because this steering handle rotates, operating this working truck turns to, this steering handle is the roughly half-circle-arc shape of working truck front side opening, forwards extend shaping by the right part that makes this steering handle than the left part, be landed in the state of operating on the seat the operator, can guarantee enough visibilities of forward lower part, in addition, by making this steering handle right part forwards extend shaping, improve the substantial middle portion of relative working truck especially, promptly than the left part, operate the visibility in seat forward lower part left side relatively, the contraposition in the time of can easily extracting operation.
In steering handle of the present invention, the extension that protrudes about being provided with respectively by the both ends, the place ahead at described steering handle forms, and operator's hand can slippage yet during manipulation.That is, in order to rotate steering handle an end is forwards pulled out, rearward draw in the other end, and at this moment, even the hand slippage forwards of the side of taking advantage of a situation, described extension also forms and stops, can slippage.
In addition,, during the operator grasps steering handle, thumb is placed this recess, can hold described steering handle securely by at the upper end of described extension configuration recess.
In steering handle of the present invention, before the extension of described steering handle, by being configured in a plurality of protuberances that fore-and-aft direction is arranged towards inner side surface from following, the operator can be the clearance portion of this protuberance as guiding, hold steering handle in position, owing to keep suitable steering-hold, the operability when improving the rotary manipulation working truck.
In steering handle of the present invention, the operation switch of configuration operation Working mechanism in the recess on described steering handle extension, consistent by the direction of operating that makes this operation switch with the direction of action of the thumb of holding described steering handle, the operator is under the state of steering handle that keeps holding with a firm grip, can be with thumb operation task mechanism easily, so can bigger change steering-hold, operation task vehicle safely yet.
In steering handle of the present invention, look not outstanding in the side by constituting described operation switch upper end from handle body, so when holding operation on hand on the limit, whether or not moves on on the operation bar on the lateral column even hand leaves handle, hold operation task switch on hand by the limit, also can easily carry out Job Operations, improve the correspondence of operation.
In steering handle of the present invention, by half portion of holding by the rear at the fore-and-aft direction of described steering handle, the part of portion of being in one's hands has large-diameter portion, compare with existing round handle, determine the position of controlling of hand easily, even aforesaid each bar carries out under the situations such as operation of handle with the right hand simultaneously with left-handed operation on the limit, also can prevent the hand skew and the misoperation of maloperation and so on.
In working truck of the present invention, by having the front shroud of the front side that covers the Steering gear that sets described steering handle, above this front shroud left and right sides, dispose the front end of this steering handle simultaneously, the scope that minimizing operator's sight line is covered by steering handle, so be sitting in the operator under the state of operation seat, can easily look and recognize and the nearest careless plate of (rightmost side) branch of operation seat.In addition, thus, can improve operation.
In working truck of the present invention, by having the front shroud of the front side that covers the Steering gear that sets described steering handle, about simultaneously this front shroud being divided into, look the generally perpendicularly upright lower cover of establishing of formation in the side, make the upper lid tilted rearward, be bent to form the left end of this front shroud at line of vision rear, plane, the scope that minimizing operator's sight line is covered by front shroud, so be sitting in the operator under the state of operation seat, can easily look and recognize and the nearest careless plate of (rightmost side) branch of operation seat.In addition, thus, can improve operation.
In working truck of the present invention, by having the front shroud of the front side that covers the Steering gear that sets described steering handle, above this front shroud left and right sides, dispose this steering handle front end simultaneously, and this front shroud is cut apart up and down, look the generally perpendicularly upright lower cover of establishing of formation in the side, make the upper lid tilted rearward, be bent to form the left end of this front shroud at line of vision rear, plane, the front end of this steering handle of configuration on the front of described upper lid prolongs, the scope that minimizing operator's sight line is covered by steering handle or front shroud, so be sitting in the operator under the state of operation seat, can easily look and recognize and the nearest careless plate of (rightmost side) branch of operation seat.In addition, thus, can improve operation.
Description of drawings
Fig. 1 is the integrally-built left surface figure that the combination machine of the related front shroud of one embodiment of the invention has been used in expression.
Fig. 2 is the integrally-built right hand view that the combination machine of the related front shroud of one embodiment of the invention has been used in expression.
Fig. 3 is the integrally-built planar view that the combination machine of the related front shroud of one embodiment of the invention has been used in expression.
Fig. 4 is the single-piece block diagram that expression constitutes the upper lid of front shroud involved in the present invention.
Fig. 5 is the single-piece front elevation that expression constitutes the upper lid of front shroud involved in the present invention.
Fig. 6 is the single-piece planar view that expression constitutes the upper lid of front shroud involved in the present invention.
Fig. 7 is the single-piece lateral plan that expression constitutes the upper lid of front shroud involved in the present invention.
Fig. 8 is the block diagram of the related steering handle of expression one embodiment of the invention.
Fig. 9 is the front elevation of the related steering handle of expression one embodiment of the invention.
Figure 10 is the planar view of the related steering handle of expression one embodiment of the invention.
Figure 11 is the lateral plan of the related steering handle of expression one embodiment of the invention.
Figure 12 is the inside figure of the related steering handle of expression one embodiment of the invention.
Figure 13 is the right flank scheme drawing that expression parts the relation of careless plate and operator's sight line on the right side.
Figure 14 is the plan sketch that expression parts the relation of careless plate and operator's sight line on the right side.
Figure 15 is the instruction diagram of handle involved in the present invention.
Figure 16 is the comparison diagram of existing handle and handle of the present invention.
Figure 17 is the A-A cutaway view of Figure 15.
Figure 18 is the place ahead viewpoint instruction diagram of operator when being sitting on the operation seat of the combination machine with existing handle.
Nomenclature
11 steering handles, 21 operating switchs, 22 extensions, 23 protuberances, 24 recesses, 25 recesses, 41 handle bodies, 41R extension (handle of holding with a firm grip (right side)), 41L extension (handle of holding with a firm grip (left side)), 42 vibrating parts, 43 holding componentss, 44 recesses, 45 recesses
The specific embodiment
Then, the working of an invention mode is described.
[combination machine 1 whole formation]
At first, constitute as integral body representative, combination machine 1 with the reaper that has used front shroud involved in the present invention 30 with Fig. 1 to Fig. 3 explanation.
As shown in Figure 1 to Figure 3, the crawler- tread 3,3 about combination machine 1 usefulness is supported body frame 2, and by using engine drive two crawler- treads 3,3 that carry on body frame 2, formation can be advanced or laggard advancing.Harvesting paddy bar can be set up and down in the front portion of body frame 2 and transport it portion that extracts 4 of body rear to, on the left side of body frame 2, set up and down the paddy bar that extracts from the portion of extracting 4 is carried out the threshing portion 5 of threshing and the sorting sorting portion 6 by the grain of these threshing portion 5 threshings.Be provided with the Lysimachia sikokiana handling part 7 of discharging by the Lysimachia sikokiana after 5 threshings of threshing portion outside the machine at the rear of threshing portion 5.
In addition, on the rear portion, right side of described body frame 2, be provided with storage, and be equipped with from these 8 rears, grain storehouse the discharge auger loader 18 that is discharged to engine body exterior to the top, the grain in the grain storehouse 8 from the grain storehouse 8 of sorting portion 6 by the grain of the tube carrying of winnowing.On the right side front portion of the place ahead at body frame 2 in grain storehouse 8, be provided with by steering handle 11, comprise the handling device that the various control lever etc. of discharge clutch lever described later constitute, running operation portion 15, below this running operation portion 15, set driving engine, change-speed box etc. with operation seat 12.
[running operation portion 15]
Then, with Fig. 1 to Fig. 3 or Figure 13 running operation portion 15 is described.
Described lower cover 31 is looked on the plane and is formed roughly " コ " word shape of opening rearward, and upper lid 32 forms consistent with the cross sectional shape of this lower cover 31 in its bottom, and along with extending upward, forms slowly curved cross section shape.
At this, operation seat 12 is made of 12a of seat portion and back-rest 12b, from the front and back substantial middle portion of running operation portion 15 to rear setting operation seat 12, from the left side of this operation seat 12 to the left side of Steering gear 9, lateral column 16 upright described ground board 10 left parts that are located at.In addition, top the looking in the side of lateral column 16 is arranged to the roughly the same height with the described seat 12a of portion, set main shift lever, secondary shifter bar, operation clutch lever etc. above the lateral column 16 at this, and then, in its sidepiece and front portion the plane is set and looks the roughly side wall portion 17 of " ㄑ " font of formation, installation side panel, display panel, handle etc. on this side wall portion.
Described side wall portion 17 forms the dip plane that descends towards operation seat 12 sides, the operator who is sitting on the operation seat 12 is looked easily recognize side panel, display panel.And the right front ends of side wall portion 17 is extended to described upper lid 32, on the extended line of the facial curve of drawing on this side wall portion 17, connects the upper left face of this upper lid 32, forms side wall portion 17 and upper lid 32 bonded assembly shapes, improves appearance design.
In addition, the right side of running operation portion 15, from the substantial middle to the place ahead, that is, 9 of operation seat 12 and Steering gears form peristome, the mouth of getting on or off the bus when becoming the operator and taking in running operation portion 15.
With Fig. 4 to Fig. 7 front shroud involved in the present invention 30 is described.At this, the arrow A of Fig. 4, Figure 6 and Figure 7 is represented direct of travel the place ahead, determines the left-right and front-back direction according to the direction of this arrow A.
Going up of the upper lid 32 of formation front shroud 30 is facial, makes to make left and right sides central portion with the slowly recessed shape of circular shape facial right part on this (oral-lateral of getting on or off the bus) upright handle portion 33 that establishes downwards.
In addition, in the plane was looked, the both ends, the left and right sides of upper lid 32 formed rearward crooked shape.In other words, upper lid 32 is looked under the operator is sitting in the state of operation seat 12 and is recognized when parting careless plate 13 on the right side, its sight line be can't help upper lid 32 and is blocked, as shown in figure 13, the front in the left side of upper lid 32 makes along linking eyes that are sitting in the operator on the operation seat 12 and the shape that parts the line Q of careless plate 13 on the right side, as far as possible forwards protrudes, enlarge leg room and improve livability, and then formation is positioned at the more following rear than line Q, thereby improves visibility.
In addition, the front on the right side of upper lid 32 makes to look to be recognized from parting careless plate 13 on the right side to the side divider that the right abaft extends, and grades in making easily.
That is, cut apart front shroud 30 up and down, look in the side and constitute that approximate vertical is upright establishes lower cover 31, make upper lid 32 tilted rearward, look on the plane to constitute that the left end of front shroud 30 rearward is bent to form.
Thus, owing to reduce the scope that operator's sight line is covered by front shroud 30, the operator can easily look to recognize with nearest (rightmost side) of operation seat 12 parting careless plate 13 on the right side under the state that is being sitting on the operation seat 12.In addition, thus, can improve operation.
The 33a of the portion of holding of the roughly barrel shape that described handle portion 33 is extended by direction to the left and right and connect this holding components 33b that holds 33a of portion and body 34 and constitute, these parts 33a, 33b, 34 integrally formed by thermosetting resin etc., so the minimizing number of components, good economy performance.
In addition, as described later, when the operator is seated in running operation portion 15, though big flexure stress takes place at the connecting portion of holding components 33b and body 34, because these parts 33a, 33b, 34 integrally formed, so can improve rigidity to this stress.
At this, the portion 33a of holding is configured to be provided with sufficient gap below steering handle 11, in addition, as shown in Figure 6, this hold the 33a of portion the plane look the right side that is located at this steering handle 11 hold the place under near.
Therefore, for example, in operation combination machine 1, being subjected to lateral misalignment etc. in accident makes under the situation that body gesture changes, promptly the right hand from steering handle 11 change of grip to holding the 33a of portion, can adjust body gesture, in addition, carrying out the body rotary operation or more during unsettled operation such as ridge culture industry, the 33a of portion that can hold with a firm grip maintenance steering-hold and handle this steering handle 11 with left hand.In addition, when handling steering handle 11 with the right hand, left hand is held the handle that is located on the described side wall portion 17, supports health.
Front and back two faces of the 33a of portion are in one's hands, be configured to have the elliptical shape that extends along lengthwise at a plurality of recesses (also can be protuberance) 35,35... that left and right directions is arranged, the operator is by putting finger along this recess 35,35..., can not slide and holds this in position easily and hold the 33a of portion.
By having such shape, right side, upper end in upper lid 32, promptly, the oral-lateral of getting on or off the bus to operation seat 12 is provided with handle portion 33, the operator holds unsettled steering handle 11 grades also regardless of body weight, by holding the 33a of the portion of holding of this handle portion 33 when being seated in running operation portion 15, can keep the stable posture of taking, and at once can this steering handle 11 of change of grip when bending on the operation seat 12.
In addition, handle portion 33 as mentioned above owing to when being seated in running operation portion 15, necessitate, qualification is arranged on the right side, upper end of upper lid 32, so do not constitute obstruction for below, the place ahead of combination machine 1, in addition, when getting on or off the bus, can look the existence of recognizing handle portion 33 instantaneous.
And then, because the 33a of the portion of holding of handle portion 33 forms the roughly barrel shape of direction extension to the left and right, so when the operator grasps in order to be seated in the operation seat, be held in the hand easily familiarly, on both sides, the front and back face of the above-mentioned 33a of the portion of holding like this, by a plurality of recesses 35,35... are set, the operator can be from oblique the place ahead of upper lid 32 or tiltedly the rear both direction hold this and hold the 33a of portion, keep stable posture to take on one side and operating on the seat 12.
[steering handle 11]
Then, with Fig. 8 to Figure 12 the details of steering handle involved in the present invention 11 is described.At this, the arrow A shown in Fig. 8 and Figure 10 to Figure 12 is represented direct of travel the place ahead, determines the left-right and front-back direction according to this arrow A direction.
Steering handle 11 is made of handle body 41, vibrating part 42 and holding components 43 of linking two parts 41,42 etc., and these parts 41,42,43 are integrally formed by polyurethane series resin material that wraps into the core components that is made of metal parts etc.
Handle body 41 forms by the plane and looks the roughly semicircle of having removed the direct of travel front part, is provided with extension 41R, the 41L that protrudes to the left and right at its both ends.
That is, the extension 41R on right side makes leading section slowly crooked, has to the inside (left side) outstanding shape, its facial up and down one-tenth aspect.
In addition, facially on described extension 41R preceding be provided with recess 25, post at the title of the expression operating switch 21 described later of its rear portion configuration, the label of direction of action etc. with general triangular shape.
Facial on extension 41R, at the rear of described recess 25, be provided with the recess 44 of the essentially rectangular shape of the single order that more descends, be provided with operating switch 21 at this recess 44.
At this, operating switch 21 be for example extract lifting with or directional trim whole with the switch that waits operation, be provided with in the present embodiment and extract lifting operating switch 21.In addition, this operating switch 21 is by can maneuverable neutral Returning switch with finger tip constituting, but is not limited to toggle switch or seesaw switch or multidirectional switch etc.The direction of operating of the operating switch 21 of present embodiment, for example under the operator holds the state of handle body 41 of steering handle 11 with a firm grip,, consistent with the direction of action of this thumb can use the mode of thumb manipulation easily.That is, be the wiring direction of the thumb position under the state of holding.Thereby the operator need not significantly change body gesture, to thumb stress not, under the state of the handle body 41 of the steering handle 11 of holding with a firm grip, can carry out the operation of combination machine safely.
The outside, rear (right side) at extension 41R is provided with the extension 22 that has the essentially rectangular shape, slowly rearward extends, its facial up and down aspect that forms.In addition, the facial recess 24 that is provided with rectangular shape on described extension 22.
And then, at the rear of extension 41R, be set up in parallel below described handle body 41 protuberance (also can be recess) 23,23,23 that stretch out (left side) side to the inside at fore-and-aft direction.
The extension 41L in left side has great circle and stretches out simultaneously towards the left and right sides on inboard a little (right side), and the facial up and down plane that forms of this extension 41L.In addition, on this extension 41L facial by central authorities roughly left (inboard) recess 45 is set.And then, same with described extension 41R, at the rear of extension 41L, be set up in parallel below described handle body 41 protuberance 23,23,23 that stretch out (right side) side to the inside at fore-and-aft direction.
By forming handle body 41 by such shape, the operator is when holding the handle body 41 of steering handle 11, described a plurality of protuberances 23 that can be about being located at, the clearance portion of 23... are put finger, can hold this handle body 41 in position, when can preventing sliding stop, by be located at respectively described extension 41L and described extension 22 on put thumb in the facial recess 45,24, can hold this handle body 41 securely.
At this, when the front and back position of more described extension 41R and extension 41L concerned, being arranged to described extension 41R one side became the place ahead.That is, in steering handle 11, handle body 41 has by the plane looks the roughly semicircle of having removed the direct of travel front part, and its right part is forwards extended and formed than the left part.
In other words, the left part that forms steering handle 11 is shorter than the right part, become have do one's utmost to reduce the lower left, the place ahead that covers the operator to the shape of advantage of scope in the visual field.
That is, formation makes steering handle 11 form planes and looks roughly U word shape, disposes the front end of steering handle 11 in the top, the left and right sides of front shroud 30 (upper lid 32).
Thus, owing to reduce the scope that operator's sight line is covered by steering handle, the operator can easily look to recognize with nearest (rightmost side) of operation seat 12 parting careless plate 13 on the right side under the state that is being sitting in operation seat 12.In addition, thus, can improve operation.
In the combination machine 1 of small-sized (2 cutter or 3 cutteves), formation extracts portion 4 and is configured in the body left side usually, and running operation portion 15 is configured in this body right side.Therefore, common extracting in the operation, body is advanced to extract not the harvested cereal culm mode around the on the left side in turn.
At this moment, make and be located at the careless plate 13 of parting on the right side of the portion of extracting 4 right front bottoms in the ranks with or consistent the extracting of the root that does not cut the paddy bar on right side, but form the shape of present embodiment by the handle body 41 that makes steering handle 11, raising parts near the visibility the careless plate 13 on the right side, the portion of extracting 4 is overlapped easily in position, so also do not worry to leak the situation of cutting for row.
Vibrating part 42 makes upright barrel shape, and the nut etc. of packing in inside is installed on the steering shaft.This vibrating part 42 and described handle body 41 are linked by holding components 43.This holding components 43 constitutes the plane and is considered as roughly T font, and the side is considered as roughly L font.That is, extend connecting part 43a, be fixedly installed on the back of described vibrating part 42 from mediad the place ahead, the left and right sides of holding components 43.In addition, the left and right sides of holding components 43,43 is attached at below the rear portion of described handle body 41.
Holding components 43 extends to gently crooked one side, two outsides obliquely upward from the left and right sides, the rear portion face of connecting part 43a on one side, is connected with the following of handle body 41.
At this, the following part that is connected of holding components 43 and handle body 41 is looked near the rear portion that is configured in this handle body 41 on the plane, in this handle body 41, forms the portion of holding of specified length between described two extension 41R, 41L and holding components 43.That is, as shown in figure 10, the portion of holding is set to roughly than big some size X (right side) and the size Y (left side) of the width that becomes staff.
By having such constituting, the operator can easily hold when holding the handle body 41 of steering handle 11 in position, can prevent that also holding components 43 from becoming obstruction even hold other unsuitable position.
In addition, the rear of handle body 41, and two junctions of described two holding componentss 43,43 between, form forwards crooked (radius of curvature is big) circular shape slowly, can fully guarantee to operate the interval of seat 12 and steering handle 11, even because the operator also is open above huckle under the state that is sitting in operation seat 12, so in case stand up to steering handle 11 horizontal sides or oblique rear, thereafter, not be used in and enter seat portion etc. when turning, can easily carry out the operation of taking to operation seat 12.
In addition, the operator is for rotary manipulation steering handle 11, forwards pull out an end, rearward draw in the other end, at this moment, even the hand slippage forwards of the side of taking advantage of a situation, described extension becomes that stop also not can slippage, in addition, because the obstruction of holding components 43, do not worry that the hand error of wanting to draw in rearward slides yet.
Then, with Figure 13 or Figure 14 operator's the sight line and the relation of each one of body are described.
As shown in figure 13, in the past owing to cover sight line by steering handle 11 leading sections, thus part careless plate 13 on the right side if the sight line of representing with the line P among Figure 13 just can not look to recognize, look recognize when parting careless plate 13 on the right side the operator must need to stand on the board 10.
As shown in figure 13, to this, if make steering handle 11 shown in the present embodiment and front shroud 30 shapes, in right flank is looked, the operator watches the sight line when parting careless plate 13 on the right side attentively, can become the sight line of representing with line Q among Figure 13, can confirm that sight line can not be diverted handle 11 or upper lid 32 covers, be sitting in easily to look to recognize under the state of operation on the seat 12 the operator and part careless plate 13 on the right side.
In addition, as shown in figure 14, if make the shape of steering handle 11 shown in the present embodiment and front shroud 30, in the plane is looked, the operator watches the sight line of sight line for representing with the line R among Figure 14 when parting careless plate 13 on the right side attentively, can confirm that sight line is not diverted handle 11 or upper lid 32 covers, the operator can easily look to recognize under the state that is sitting on the operation seat 12 and part careless plate 13 on the right side.
Promptly, by being looked, steering handle 11 planes form roughly U word shape, the leading section of steering handle 11 is configured in the top, the left and right sides of front shroud 30, and cut apart front shroud 30 up and down, be formed in the side and look the upright lower cover 31 of establishing of approximate vertical, make upper lid 32 tilted rearward, regard to become the left end that rearward is bent to form front shroud 30 as on the plane, on prolonging, the front of upper lid 32 disposes the structure of the front end of steering handle 11 simultaneously, thereby, the scope that minimizing operator's sight line is covered by steering handle 11 or front shroud 30, like this, the operator can easily look to recognize with nearest (rightmost side just) of operation seat 12 parting careless plate 13 on the right side under the state that is being sitting in operation seat 12.In addition, thus, can improve operation.
Then, with Figure 15 to Figure 18 the structure of the related steering handle of another embodiment of the present invention is described.
Existing rotary type steering handle, because its shape makes the circular shape, when operation, the operator is sitting in the portion that extracts of observing running portion the place ahead when operation Xi Shangzai advances, in the portion of not cutting of the paddy bar of confirming the farmland with when extracting cutting mobile, round handle is positioned at the place ahead of operator's sight line, has the problem that the visual field is difficult to operation of blocking.
Specifically as shown in figure 18, when turning left, because operator's height, posture, the front part of handle becomes obstacle when rotating existing round steering handle 11A, cannot see the portion that extracts 4 (particularly parting careless plate 13 on the right side) in running portion the place ahead, can not look the leakage of recognizing, confirm and confirm paddy bar etc. and cut.
The situation of combination machine particularly is configured in the structure that the left side, operation seat 12 are configured in the right owing to normally extract portion 4, extract in turn be present in the body left side do not cut the paddy bar, become to leak and cut from the paddy bar that do not cut that parts that careless plate extrudes to the right on the right side.Just cannot see when parting careless plate 13 on the right side, may take place to leak and cut.
Therefore, the invention provides a kind of visibility good, particularly removed the steering handle of the structure of handle front part, it makes the leakage that can confirm paddy bar etc. when turning left cut, and can look the portion that extracts (particularly parting careless plate on the right side) of recognizing, confirm running portion the place ahead.
In Figure 16, the steering handle 11A of long and two-short dash line represents existing round handle, and the steering handle 11 expressions steering handle involved in the present invention of solid line is overlapping in order to compare mutually.Steering handle 11 involved in the present invention is half roughly front parts of fore-and-aft direction of steering handle having been removed this steering handle.
And, as shown in figure 15, in steering handle involved in the present invention 11, make removed the handle front part remaining hand grip portion about two front ends the structure of extension 41L, 41R (stretching out to the handle inboard in the present embodiment) is set.
On this extension 41R, be provided with operating switch 21 described later, printed the recess 25 of the figure that this switch is described, the recess 24 of placement finger (for example thumb) etc.
In addition, form protuberance 50 in the bight, the left and right sides of the arcuation at 11 rear portions from extension 41R to steering handle.
That is, half the holding in the portion of rear of the fore-and-aft direction of steering handle 11, the part of the portion of being in one's hands is provided with large-diameter portion, is the part that the footpath of the portion of holding is made continuously big footpath as the protuberance 50 of this large-diameter portion.
The result, by removing the front part of steering handle, from the operator, the place ahead, left front below has a wide sphere of vision when particularly turning left, so the operator is sitting in the portion that extracts 4 (specifically parting careless plate 13 on the right side) of observing running portion 15 the place aheads on the operation seat 12 when advancing, that confirms the portion of not cutting most easily extracts flowing of cutting, improves operating efficiency and safety.
In addition, the extension 41R, the 41L that be located at the left and right sides leading section of steering handle 11, stretch out in the present embodiment to the handle inboard prevent the effect of slipping out of the hand in the time of can playing steering handle 11 operations.
Then, the formation to described extension describes.
Specifically, on this extension 41R, plane space is set, the recess of rectangle is set in this space, in this recess, set carry out siren horn, extract lifting with or turn to inching the operating switch 21 of various Working mechanisms operations such as to use.At this moment, these operating switch 21 upper ends are not looked with the cross section and are constituted (with reference to Figure 17) from the outstanding mode of steering handle 11 bodies.Like this, constituting operating switch 21 upper ends outstanding is in order to prevent following situation: when combination machine is covered via the covering of seat etc. during standby in farmland etc., if operating switch 21 is outstanding above handle, then seat tangles, operating switch 21 may be damaged, or may injured or maloperation in the local time catching that under the urgent situation.
In addition, on the front end surface of described extension 41R, implemented to carve if the effect of this operating switch 21 of printing expression or recess 25, line, arrow or the scale etc. of method of operation.
In the present embodiment, on the extension 41R on right side, have with the M/C lifting extract portion, can regulate arbitrarily extract height extract the height adjustment switch, front end surface is printed with the instruction diagram of this switch.
In addition, to the type or the shape of operating switch 21, all right regardless of handle type, dial type, push button etc.
In addition, the place of extension 41R (operating switch 21 be provided with place) is arranged on holding beyond the portion of steering handle 11, so that can misconnection not touch when the operator is seated in combination machine.
In addition, the place that is provided with of operating switch 21 both can also can be on two sides the side of the left and right sides of steering handle 11 extension 41L, 41R.
By above such deploy switch, in holding handle operation simultaneously, make hand leave handle, even hand does not move on on the operation bar on the lateral column, by operation task switch when holding handle, also can easily carry out Job Operations, improve the correspondence of operation.
In addition, form the recess 45,24 of placing finger (for example thumb) respectively in side, this extension 41L, 41R surface.By placing thumb at this, catch from the rear of steering handle 11 with other finger, can hold steering handle 11 firmly.
In addition, in handle involved in the present invention, as Figure 15 and shown in Figure 16, half the holding in the portion of steering handle 11 at rear of the fore-and-aft direction of steering handle 11, constitute the protuberance 50,50 of arcuation in bight, the left and right sides, just, the rugosity Z1 in the footpath in this place is bigger than the rugosity Z2 the footpath of hand grip portion of other place (or existing), particularly is formed in steering handle 11 outsides and has protuberance 50,50.
According to above formation, compare with existing round handle, determine easily the position of handgrip,, can prevent that also hand is offset the misoperation of maloperation and so on even it is inferior to carry out the situations such as operation of handle by the right hand in the operation bar on the left-handed operation lateral column 16.
Claims (9)
1. steering handle, its rotation freely is provided on the working truck, operates turning to of this working truck, it is characterized in that, this steering handle is the roughly half-circle-arc shape by working truck front side opening, makes the right part of this steering handle forwards extend shaping than the left part.
2. steering handle as claimed in claim 1 is characterized in that, is provided with the extension that protrudes to the left and right respectively at the both ends, the place ahead of described steering handle, and at the upper end of this extension configuration recess.
3. steering handle as claimed in claim 1 is characterized in that, before the extension of described steering handle, is configured in a plurality of protuberances that fore-and-aft direction is arranged from following side to the inside.
4. steering handle as claimed in claim 1, it is characterized in that, in the recess on the extension of described steering handle, the operation switch of Working mechanism operation is carried out in configuration, makes the direction of operating of this operation switch consistent with the direction of action of the thumb of holding described steering handle.
5. steering handle as claimed in claim 1 is characterized in that, described operation switch upper end is looked not outstanding from handle body by side cross-section.
6. as each the described steering handle in the claim 1 to 5, it is characterized in that half the holding in the portion of rear of the fore-and-aft direction of described steering handle, the part of the portion of being in one's hands has large-diameter portion.
7. working truck, it has each the described steering handle in the claim 1 to 6, it is characterized in that, in described working truck, front shroud with the front side that covers Steering gear, described Steering gear sets described steering handle, simultaneously with the front-end configuration of this steering handle above the left and right sides of this front shroud.
8. working truck, it has each the described steering handle in the claim 1 to 6, it is characterized in that, in described working truck, have the front shroud of the front side that covers Steering gear, described Steering gear sets described steering handle, cut apart simultaneously this front shroud up and down, look to constitute generally perpendicularly by the side and uprightly establish lower cover, make the upper lid tilted rearward, be bent to form the left end of this front shroud by line of vision rear, plane.
9. working truck, it has each the described steering handle in the claim 1 to 6, it is characterized in that, in described working truck, front shroud with the front side that covers Steering gear, described Steering gear sets described steering handle, simultaneously with the front-end configuration of this steering handle above the left and right sides of this front shroud, and cut apart this front shroud up and down, look by the side and to constitute generally perpendicularly the upright lower cover of establishing, make the upper lid tilted rearward, be bent to form the left end of this front shroud by line of vision rear, plane, with the front-end configuration of this steering handle on described upper lid prolongs in front.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006289282A JP5053618B2 (en) | 2006-10-24 | 2006-10-24 | Steering handle |
| JP289282/2006 | 2006-10-24 | ||
| PCT/JP2007/053072 WO2008050493A1 (en) | 2006-10-24 | 2007-02-20 | Steering handle and work vehicle having it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101528528A true CN101528528A (en) | 2009-09-09 |
| CN101528528B CN101528528B (en) | 2011-07-27 |
Family
ID=39324306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800395288A Expired - Fee Related CN101528528B (en) | 2006-10-24 | 2007-02-20 | Steering handle and work vehicle having it |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5053618B2 (en) |
| KR (1) | KR101340826B1 (en) |
| CN (1) | CN101528528B (en) |
| WO (1) | WO2008050493A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110282550A1 (en) * | 2009-02-04 | 2011-11-17 | Honda Motor Co., Ltd. | Steering apparatus for a vehicle |
| JP2020125092A (en) * | 2019-02-06 | 2020-08-20 | トヨタ自動車株式会社 | Vehicular steering wheel structure |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54155851U (en) * | 1978-04-22 | 1979-10-30 | ||
| JPS613169U (en) * | 1984-06-14 | 1986-01-10 | 日産自動車株式会社 | steering wheel |
| JPS6255263A (en) * | 1985-09-04 | 1987-03-10 | Mazda Motor Corp | Steering device of motor vehicle |
| JP2606302Y2 (en) * | 1993-07-20 | 2000-10-23 | 三菱農機株式会社 | Step structure for getting on and off the combine |
| DE19739104C2 (en) * | 1997-09-06 | 2000-12-21 | Trw Automotive Safety Sys Gmbh | Steering device with transmitter |
| JPH11113349A (en) * | 1997-10-17 | 1999-04-27 | Yanmar Agricult Equip Co Ltd | Combine harvester |
| JP2000032832A (en) * | 1998-07-17 | 2000-02-02 | Seirei Ind Co Ltd | Combine provided with rotational steering wheel mechanism |
| JP2000308409A (en) * | 1999-04-28 | 2000-11-07 | Kubota Corp | Steering wheel structure for harvester |
| JP3854192B2 (en) * | 2002-05-22 | 2006-12-06 | セイレイ工業株式会社 | Operation control unit structure in the combine |
| JP2004106693A (en) * | 2002-09-18 | 2004-04-08 | Calsonic Kansei Corp | Steering operation device for vehicle |
-
2006
- 2006-10-24 JP JP2006289282A patent/JP5053618B2/en active Active
-
2007
- 2007-02-20 WO PCT/JP2007/053072 patent/WO2008050493A1/en active Search and Examination
- 2007-02-20 KR KR1020097010217A patent/KR101340826B1/en not_active IP Right Cessation
- 2007-02-20 CN CN2007800395288A patent/CN101528528B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR20090073232A (en) | 2009-07-02 |
| CN101528528B (en) | 2011-07-27 |
| WO2008050493A1 (en) | 2008-05-02 |
| JP5053618B2 (en) | 2012-10-17 |
| KR101340826B1 (en) | 2014-01-02 |
| JP2008104390A (en) | 2008-05-08 |
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| PB01 | Publication | ||
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Granted publication date: 20110727 Termination date: 20190220 |