CN104213595A - Construction machine - Google Patents
Construction machine Download PDFInfo
- Publication number
- CN104213595A CN104213595A CN201410242436.1A CN201410242436A CN104213595A CN 104213595 A CN104213595 A CN 104213595A CN 201410242436 A CN201410242436 A CN 201410242436A CN 104213595 A CN104213595 A CN 104213595A
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- CN
- China
- Prior art keywords
- speed
- accelerator rod
- rotating speed
- high rotating
- retainer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/32—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
- E02F3/325—Backhoes of the miniature type
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/2004—Control mechanisms, e.g. control levers
- E02F9/2012—Setting the functions of the control levers, e.g. changing assigned functions among operations levers, setting functions dependent on the operator or seat orientation
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/2058—Electric or electro-mechanical or mechanical control devices of vehicle sub-units
- E02F9/2062—Control of propulsion units
- E02F9/2066—Control of propulsion units of the type combustion engines
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
- G05G5/04—Stops for limiting movement of members, e.g. adjustable stop
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/04—Controlling members for hand actuation by pivoting movement, e.g. levers
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
- G05G5/02—Means preventing undesired movements of a controlling member which can be moved in two or more separate steps or ways, e.g. restricting to a stepwise movement or to a particular sequence of movements
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Component Parts Of Construction Machinery (AREA)
- Operation Control Of Excavators (AREA)
Abstract
Provided is a construction machine with an acceleration lever to be easily positioned at an intermediate-speed position. The construction machine includes an acceleration lever movable in front and rear directions of an upper slewing body between a low-speed position and a high-speed position, an engine-speed operation member to change engine speed in accordance with the moving amount of the acceleration lever in front and rear directions, and an intermediate-speed stopper to stop the acceleration lever at an intermediate-speed position between the low-speed and high-speed positions. The intermediate-speed stopper stops the acceleration lever at the intermediate-speed position by restraining the acceleration lever from movement. The intermediate-speed stopper releases the restraint as the acceleration lever moves from the intermediate-speed position to a release position in a direction different from front and rear directions.
Description
Technical field
The present invention relates to a kind of engineering machinery.
Background technology
Conventionally, there is known following engineering machinery, this project machinery comprises: upper rotation, is mounted on lower running body with freely rotating; Motor, is housed in the engine room of upper rotation; And accelerator rod, the rotating speed (such as with reference to No. 02-070056, Japanese Laid Open Patent Beneficial) of motor can be changed.This project machinery also comprises and is arranged on the wire that adjusting lever on described motor and one end are connected to described accelerator rod.Moving after described wire and accelerator rod makes described adjusting lever move from idling mode to high rotating speed side in linkage.
If the rotating speed of described motor is set at high rotating speed side all the time, then the output of motor is the highest output, but increases due to the consumption of fuel, and fuel consume is deteriorated.Therefore, when the usual operation of output not too needing motor, midway stops moving after accelerator rod, is intermediate speed thus by the speed setting of motor.Thereby, it is possible to guarantee the output of motor to a certain degree and suppress fuel consume to worsen.
But, for engineering machinery in the past, navigate to the output for guaranteeing motor to a certain degree to will speed up bar and suppress the intermediate speed position that fuel consume worsens, operator must confirm to operate accelerator rod modestly at hand, and this operation is also not easy.
Summary of the invention
The object of the present invention is to provide a kind of engineering machinery, easily can will speed up bar and navigate to intermediate speed position.
Engineering machinery of the present invention comprises: lower running body, upper rotation, is mounted on described lower running body with freely rotating, motor, is housed in the engine room of described upper rotation, accelerator rod, is arranged at described upper rotation, and between the slow-speed of revolution position of end side on the fore-and-aft direction of described upper rotation and the high rotating speed position of another side, can move along described fore-and-aft direction, rotational speed operation parts, make the rotating speed of described motor change corresponding to the amount of movement of the described fore-and-aft direction of described accelerator rod, and intermediate speed retainer, described accelerator rod is made to be parked in the intermediate speed position of specifying between described slow-speed of revolution position and described high rotating speed position, wherein, described intermediate speed retainer to move this of described accelerator rod from described slow-speed of revolution position along described fore-and-aft direction to the midway of described high rotating speed position movement at described accelerator rod and limits, described accelerator rod is made to be parked in described intermediate speed position, along with described accelerator rod moves to releasing position from described intermediate speed position, described intermediate speed retainer removes the mobile restriction to described accelerator rod, described high rotating speed position is moved to from described releasing position to allow described accelerator rod, described releasing position separates the distance of specifying with described intermediate speed position on the left and right directions different from described fore-and-aft direction.
According to the present invention, easily can will speed up bar and navigate to intermediate speed position.
Accompanying drawing explanation
Fig. 1 is the lateral view of the engineering machinery involved by embodiments of the present invention.
Fig. 2 represents the accelerator rod of described engineering machinery and the stereogram of periphery thereof.
Fig. 3 is stereogram when observing the linkage of described accelerator rod from side, right back.
Fig. 4 is stereogram when observing described accelerator rod from side, right back.
Fig. 5 is stereogram when observing described accelerator rod from side, left front.
Fig. 6 A represents that described accelerator rod is in the top view of the state of slow-speed of revolution position.
Fig. 6 B represents that described accelerator rod is in the lateral view of the state of slow-speed of revolution position.
Fig. 7 A represents that described accelerator rod mediates the top view of state of rotating speed position.
Fig. 7 B represents that described accelerator rod mediates the lateral view of state of rotating speed position.
Fig. 8 A represents that described accelerator rod is in the top view of the state removing position.
Fig. 8 B represents that described accelerator rod is in the lateral view of the state removing position.
Fig. 9 A represents that described accelerator rod is in the top view of the state of high rotating speed position.
Fig. 9 B represents that described accelerator rod is in the lateral view of the state of high rotating speed position.
Detailed description of the invention
Below, based on accompanying drawing, embodiments of the present invention are described.In addition, the illustrative in nature of following ideal embodiment is only illustration, and unrestricted the present invention, the intention being suitable for thing or purposes of the present invention of the present invention.In the various figures, direction up and down or is all around illustrated by arrow.As long as not specified, then the direction according to these arrows illustrates the direction such as up and down.
Fig. 1 is the lateral view of the engineering machinery 10 represented involved by embodiments of the present invention.This project machinery 10 is small-sized types of the little rotary type in rear, comprises crawler type lower running body 11, is mounted in upper rotation 12, fixture 13 and motor 25 on lower running body 11 with freely rotating.
Described upper rotation 12 comprises engine room 15, sidepiece Machine Room 16, operating space 17, covering members 18, counterweight 19 and slewing frame 20.Engine room 15 accommodates motor 25 etc., and is arranged on the rear portion of described upper rotation 12.Described sidepiece Machine Room 16 for accommodating not shown fuel tank or operating oil tank etc., and is formed in the right side of described upper rotation 12.Described operating space 17 is formed in the left part of upper rotation 12, and collecting driver's seat 21 or action bars 22 etc.Described covering members 18 covers the top of described operating space 17.
Described fixture 13 is installed on the front side portion of upper rotation 12, is supported for fluctuating freely and shake in the lateral direction freely.Fixture 13 for carrying out digging operation etc., and comprises swing arm 13a, dipper 13b, bucket 13c and multiple hydraulic cylinder 13d.Described swing arm 13a has base end part, and this base end part is rotatably installed on the fore-stock 26 of upper rotation 12 via shake support 14.Dipper 13b is rotatably installed on the distal portion of described swing arm 13a.Described bucket 13c is rotatably installed on the distal portion of described dipper 13b.Described swing arm 13a, dipper 13b and bucket 13c are provided with described multiple hydraulic cylinder 13d.These hydraulic cylinders 13d stretches because of the operation of described action bars 22 grade, thus, the parts corresponding to this hydraulic cylinder 13d in swing arm 13a, dipper 13b and bucket 13c is rotated, thus fixture 13 is moved to heave direction.In addition, this fixture 13 is attached to not shown shake hydraulic cylinder, this shake hydraulic cylinder extension, fixture 13 is shaken in the lateral direction.
Described counterweight 19 is positioned at the rear portion of upper rotation 12, and has and keep the larger weight of anterior-posterior balance relative to the fixture 13 carrying out action in this way.Described slewing frame 20 is supported in described lower running body 11 pivotally via circular floating bearing 24.
As shown in Figure 2, in described operating space 17, be provided with seat frame 23, on this seat frame 23, except being provided with described driver's seat 21, be also provided with the operating case 27 and linkage 28 that comprise described action bars 22.
Described seat frame 23 extends in left-right direction, and described driver's seat 21 is positioned in the central part of the described left and right directions of this seat frame 23.Described operating case 27 is disposed in the position on the right side of the driver's seat 21 on described seat frame 23.In operating case 27, be provided with the multiple console switch 27a for operating not shown various electric components.Described action bars 22 is arranged on the leading section of described operating case 27.Described linkage 28 for changing the rotating speed of described motor 25, and is arranged on the position on the right side of the described operating case 27 on described seat frame 23.
As shown in Fig. 3 ~ Fig. 6, described linkage 28 comprises: accelerator rod 30, rotates freely to the fore-and-aft direction of upper rotation 12 and the direction different from this fore-and-aft direction (being the left and right directions of upper rotation 2 in this embodiment); Support 50 in opposite directions, is positioned at the rear of accelerator rod 30, and ground relative to this accelerator rod 30 is upright; Fixed support 51, for by this in opposite directions support 50 be fixed on seat frame 23; Force application spring 52; And guide panel 56.Described fixed support 51 to extend and erect posture along described fore-and-aft direction, the right border portion of support 50 in opposite directions described in being installed on.
Described accelerator rod 30 comprises: bar main body 31, extends along the vertical direction; Front and back rotor 35, is supported in described fixed support 51 and can rotates in front-rear direction; Left/right rotation kinetoplast 32, is supported in rotor 35 before and after this and rotates freely in the lateral direction; And pair of right and left support component 37.
Described bar main body 31 is connected to this left/right rotation kinetoplast 32, integrally rotates in the lateral direction with described left/right rotation kinetoplast 32.That is, described left/right rotation kinetoplast 32 and described bar main body 31 are integrally connected to the bottom of bar main body 31 described in this.Described bar main body 31 integrally has the spring fitting plate 31a and retainer installing plate 31b outstanding to the right that give prominence to the left from its outer peripheral face.
Described left/right rotation kinetoplast 32 is made up of following axle sleeve, and this axle sleeve rotates freely in the lateral direction relative to described front and back rotor 35 centered by the first back shaft 33 extended along the longitudinal direction.Front and back rotor 35 is made up of following axle sleeve, and this axle sleeve rotates freely in front-rear direction relative to described fixed support 51 centered by the second back shaft 36 extended in left-right direction.
Described support component 37 is installed on rotor 35 before and after this, integrally rotates in front-rear direction with front and back rotor 35.As shown in Figure 5, support component 37 comprises a pair, front and back wall portion 37b, wall portion 37c that the left side of these wall portion 37b is connected to each other and retainer 37a, described wall portion 37b space each other open wide to the right.Described first back shaft 33 is installed on these wall portion 37b through a pair, described front and back wall portion 37b.
Described retainer 37a extends to the right from the upper end of the wall portion 37c in the left side of described support component 37.When described bar main body 31 centered by described first back shaft 33, rotate by left direction, the front end of this retainer 37a can abut with the outer peripheral face of this bar main body 31, thus, limits this bar main body 31 left direction and moves.
The bar plate 38 extended downwards from the bottom of front and back rotor 35 is connected to the bottom of front and back rotor 35 integratedly.The bottom of this bar plate 38 is connected to the not shown throttling rod of motor 25 via guide line 39.That is, as shown in Figure 6B, one end of described guide line 39 is installed on the bottom of described bar plate 38, and the other end of this guide line 39 is installed on described throttling rod.Described guide line 39 makes described throttling rod work in linkage with the rotation of the fore-and-aft direction of described bar main body 31, and thus, formation changes the rotational speed operation parts of the rotating speed of motor 25 corresponding to the fore-and-aft direction amount of movement of bar main body 31.
The relation of relation between the position of described bar main body 31 and the position of described throttling rod namely and between the rotating speed of motor 25 is configured to (i) when bar main body 31 is in the front position on vehicle fore-and-aft direction, the rotating speed of motor 25 is minimum, (ii) when bar main body 31 is in back-end location, the rotating speed of motor 25 is the highest.Below, described front position and described back-end location are called " slow-speed of revolution position " " high rotating speed position ".In addition, by the position between described slow-speed of revolution position and high rotating speed position, namely can guarantee the output of motor 25 to a certain degree and suppress the position that fuel consume worsens to be called " intermediate speed position ".
Described force application spring 52 forms the force application part exerted a force to the left to bar main body 31.Described support in opposite directions 50 has spring mountings 50a, and this spring mountings 50a is in the left upper portion of support 50 in opposite directions and forwards extends.Described force application spring 52 is erected between the spring fitting plate 31a of described spring mountings 50a and described bar main body 31.
Linkage 28 also comprises grip block 53.Grip block 53 clamps described front and back rotor 35 together with fixed support 51.At the left lower of described support in opposite directions 50, be formed with the notch 50b of left opening, the base end part of described grip block 53 embeds this notch 50b in the mode slid freely in the lateral direction.
Described second back shaft 36 is mounted through described grip block 53 and described fixed support 51.The left part of the second back shaft 36 runs through described grip block 53 and left to this grip block 53 is outstanding.The left part of the second back shaft 36 forms outer screw section, and multiple disc spring 54 is embedded on this outer screw section.Push nut 55 is screwed on the outer screw section of described second back shaft 36, and this push nut 55 is fastened, to press disc spring 54 and grip block 53.Thus, grip block 53 moves along the notch 50b right direction of support 50 in opposite directions, and front and back rotor 35, under the state being applied in the pushing force of specifying, is clamped by grip block 53 and fixed support 51.Like this, the bar main body 31 can rotated in front-rear direction centered by the second back shaft 36 can remain on specific position by described grip block 53 with described fixed support 51.
Described linkage 28 also comprises intermediate speed retainer 40.This intermediate speed retainer 40 has distal portion.This distal portion is connected to the outer peripheral face of the bar main body 31 of the described accelerator rod 30 moved backward from described slow-speed of revolution position, thus limit this bar main body 31 and rearward move, thus, as shown in Figure 7, bar main body 31 is made to be parked in the intermediate speed position of specifying between slow-speed of revolution position and high rotating speed position.
Described intermediate speed retainer 40 is installed on this support 50 in opposite directions, to make the distal portion of this intermediate speed retainer 40 outstanding to described accelerator rod 30 from described support in opposite directions 50.Intermediate speed retainer 40 has the outer screw section be positioned on rear side of described distal portion.Described support in opposite directions 50 is formed with female threaded portion, and described outer screw section screws in this female threaded portion and fastening by hold-down nut 41, and thus, intermediate speed retainer 40 is fixed in opposite directions on support 50.
As mentioned above, intermediate speed retainer 40 makes described accelerator rod 30 be parked in intermediate speed position, but described accelerator rod 30 can rotate in the lateral direction from this position, specifically right direction is rotated, bar main body 31 can be moved to by this rotation removes position, and this releasing position departs from described intermediate speed position to the right.By this to the movement removing position, as shown in Figure 8 A, bar main body 31 does not abut with intermediate speed retainer 40.That is, intermediate speed retainer 40 is removed for the restriction of the movement of bar main body 31.
Described linkage 28 also comprises high rotating speed retainer 45.This high rotating speed retainer 45 limits described bar main body 31 and rearward moves from described releasing position, thus, makes bar main body 31 be parked in the highest described high rotating speed position of the rotating speed of motor 25.
Described high rotating speed retainer 45 is installed on the retainer installing plate 31b of described bar main body 31, and from this retainer installing plate 31b to support 50 is outstanding in opposite directions.High rotating speed retainer 45 has outer screw section, and described retainer installing plate 31b is formed with female threaded portion.Described outer screw section screws in this female threaded portion and fastening by hold-down nut 41, and thus, high rotating speed retainer 45 is fixed on the retainer installing plate 31b of bar main body 31.
High rotating speed retainer 45 has the distal portion of rearward giving prominence to from described bar main body 31, this distal portion move backward from described releasing position along with described accelerator rod 30 and be connected to described in support 50 in opposite directions, thus, the bar main body 31 limiting this accelerator rod 30 rearward moves, thus as shown in Figure 9, make bar main body 31 be parked in described high rotating speed position (with reference to Fig. 9).
The top of support 50 and fixed support 51 in opposite directions described in described guide panel 56 is installed on, to cover left/right rotation kinetoplast 32 and the front and back rotor 35 of described accelerator rod 30.Guide panel 56 has bullport 59, and this bullport 59 extends ground opening along the mobile route of accelerator rod 30.Operator can observe the mobile route of accelerator rod 30 by this bullport 59.Described bar main body 31 is projected to than described guide panel 56 more top by described bullport 59.
Described bullport 59 comprises: slow-speed of revolution side part 59a, and edge connects the mobile route of the slow-speed of revolution side of slow-speed of revolution position and intermediate speed position and extends in front-rear direction; Intermediate speed part 59b, connects intermediate speed position and removes position and extend in the lateral direction; And high rotating speed side part 59c, extend in front-rear direction along the mobile route connecting the high rotating speed side of removing position and high rotating speed position, wherein, these part 59a ~ 59c is connected successively.
Operator makes bar main body 31 move along the opening shape of described bullport 59, thereby, it is possible to change the rotating speed of motor 25.
Specifically, when the rotating speed of motor 25 is changed to intermediate speed from the slow-speed of revolution, accelerator rod 30 is operated, this accelerator rod 30 is rotated, until the outer peripheral face of bar main body 31 is connected to the distal portion of described intermediate speed retainer 40 along the mobile route of the slow-speed of revolution side part 59a defined of described bullport 59.Described intermediate speed retainer 40 limits the movement of this accelerator rod 30, thus, makes accelerator rod 30 be parked in intermediate speed position.
Secondly, the rotating speed of motor 25 is changed to high-revolving situation from intermediate speed, first, at the intermediate speed part 59b place of described bullport 59, accelerator rod 30 is operated, this accelerator rod 30 is rotated, till described releasing position from described intermediate speed position to the left and right directions of different from described fore-and-aft direction (herein for orthogonal).This operation relieving rod main body 31 abuts with intermediate speed retainer 40.That is, intermediate speed retainer 40 removes the restriction of the movement of the fore-and-aft direction for described bar main body 31 along with described operation.Then, accelerator rod 30 is operated, make this accelerator rod 30 along the mobile route of the high rotating speed side part 59c defined of described bullport 59 to rotating backward, until the distal portion of the high rotating speed retainer 45 that the bar main body 31 of this accelerator rod 30 is installed is connected to support 50 in opposite directions.In other words, described high rotating speed retainer 45c limits described accelerator rod 30 and rearward moves, and makes this accelerator rod 30 be parked in high rotating speed position.
Now, described force application spring 52 exerts a force to being positioned at the direction of the accelerator rod 30 on the mobile route of high rotating speed side to the mobile route of slow-speed of revolution side, the mobile route of slow-speed of revolution side connects slow-speed of revolution position and intermediate speed position, and the mobile route of high rotating speed side connects described releasing position and described high rotating speed position.Therefore, when operator makes accelerator rod 30 move from the mobile route of high rotating speed side to the mobile route of slow-speed of revolution side, the applying power of force application spring 52 can act on accelerator rod 30 and make this accelerator rod 30 successfully return the mobile route of slow-speed of revolution side.
Herein, described intermediate speed retainer 40 plays function as blocking member, and this blocking member stops the accelerator rod 30 being positioned described high rotating speed position as shown in the arrow in Fig. 9 A, suddenly to slow-speed of revolution side mobile route and move towards left and right directions.Specifically, the outer peripheral face of the bar main body 31 of accelerator rod 30 is connected to the outer peripheral face of intermediate speed retainer 40, and thus, left direction moves because of the applying power of force application spring 52 to stop the accelerator rod 30 being positioned described high rotating speed position.
As mentioned above, engineering machinery 10 involved according to the present embodiment, when operator operates accelerator rod 30 and the rotating speed of motor 25 is changed to intermediate speed from the slow-speed of revolution, as long as make accelerator rod 30 move until bar main body 31 is connected to intermediate speed retainer 40, just easily this accelerator rod 30 can be navigated to intermediate speed position.Like this, operator operates accelerator rod 30 at hand modestly without the need to confirming, operability improves.
In addition, when making accelerator rod 30 move to high rotating speed position from intermediate speed position, need to carry out following action: accelerator rod 30 is moved to releasing position from intermediate speed position along the left and right directions different from fore-and-aft direction, remove the restriction of intermediate speed retainer 40 for movement, therefore, it is possible to prevent operator from unexpectedly making accelerator rod 30 move to high rotating speed side suddenly.
The present invention is not limited to the above embodiment illustrated, such as, also comprise mode as described below.
In said embodiment, intermediate speed retainer 40 is arranged on support 50 side in opposite directions, and high rotating speed retainer 45 is arranged on accelerator rod 30 side, but the present invention is not limited to which.Such as, intermediate speed retainer 40 and high rotating speed retainer 45 also can be installed in support 50 side in opposite directions.
In said embodiment, intermediate speed retainer 40 is used as blocking member, namely stop accelerator rod 30 because of the applying power of force application spring 52 parts of movement on the mobile route of slow-speed of revolution side, but this blocking member also can be the parts independent of intermediate speed retainer 40.Such as, the bullport 59 of guide panel 56 also can be made to have less width, abutted with bar main body 31 by the inner peripheral of this bullport 59, thus, stop accelerator rod 30 to move on the mobile route of slow-speed of revolution side.
In said embodiment, described accelerator rod 30 with in front-rear direction and the left and right directions mode of rotating operated, but the accelerator rod involved in the present invention mode that also can move in parallel in the direction and being operated.
As mentioned above, the invention provides a kind of engineering machinery, easily this accelerator rod can be navigated to intermediate speed position.Engineering machinery of the present invention comprises: lower running body, upper rotation, is mounted on described lower running body with freely rotating, motor, is housed in the engine room of described upper rotation, accelerator rod, is arranged at described upper rotation, and between the slow-speed of revolution position of end side on the fore-and-aft direction of described upper rotation and the high rotating speed position of another side, can move along described fore-and-aft direction, rotational speed operation parts, make the rotating speed of described motor change corresponding to the amount of movement of the described fore-and-aft direction of described accelerator rod, and intermediate speed retainer, described accelerator rod is made to be parked in the intermediate speed position of specifying between described slow-speed of revolution position and described high rotating speed position, wherein, described intermediate speed retainer to move this of described accelerator rod from described slow-speed of revolution position along described fore-and-aft direction to the midway of described high rotating speed position movement at described accelerator rod and limits, described accelerator rod is made to be parked in described intermediate speed position, along with described accelerator rod moves to releasing position from described intermediate speed position, described intermediate speed retainer removes the mobile restriction to described accelerator rod, described high rotating speed position is moved to from described releasing position to allow described accelerator rod, described releasing position (is specially and fore-and-aft direction direction at an angle at the left and right directions different from described fore-and-aft direction, the direction vertical with fore-and-aft direction such as described in above-mentioned embodiment) above separate the distance of specifying with described intermediate speed position.
In this project machinery, intermediate speed retainer is moving midway to this of the accelerator rod of high rotating speed position side movement along the longitudinal direction from slow-speed of revolution position, limit this to move, thereby, it is possible to easily will speed up bar to navigate to the output and the intermediate speed position of suppression fuel consume deterioration that can guarantee motor to a certain degree.That is, as long as operator makes accelerator rod move until blocked by intermediate speed retainer, can being just intermediate speed by the speed setting of motor, operating accelerator rod modestly at hand without the need to confirming.Therefore, operability improves.In addition, high rotating speed position is moved to from intermediate speed position in order to make accelerator rod, need to carry out following action: accelerator rod is moved to from intermediate speed position along the left and right directions different from described fore-and-aft direction and removes position, remove the mobile restriction of intermediate speed retainer for accelerator rod, therefore, it is possible to prevent operator from unexpectedly making accelerator rod move to high rotating speed side.
It is preferable that, engineering machinery of the present invention also comprises: high rotating speed retainer, makes to be parked in described high rotating speed position from described releasing position along described fore-and-aft direction to the described accelerator rod of described high rotating speed position movement, and support in opposite directions, be positioned at than described accelerator rod more by the position of described high rotating speed position side, relative with described accelerator rod on described fore-and-aft direction, wherein, support in opposite directions described in described intermediate speed retainer is installed on, the movement of described accelerator rod is limited by abutting with the described accelerator rod moving to described intermediate speed position from described slow-speed of revolution position, described high rotating speed retainer is installed on described accelerator rod, when described accelerator rod moves to described high rotating speed position from described releasing position, support in opposite directions described in being connected to, to limit the movement of described accelerator rod.
In this project machinery, intermediate speed retainer is installed on support in opposite directions, on the other hand, high rotating speed retainer is installed on accelerator rod, to abut with described support in opposite directions, thereby, it is possible to described in utilizing in opposite directions support will speed up bar and navigate to intermediate speed position and these two positions, high rotating speed position, and the installation of intermediate speed retainer and high both rotating speed retainers can be made to become easy.Such as, when described in intermediate speed retainer and high both rotating speed retainers are installed in opposite directions support, secure component for intermediate speed retainer and high rotating speed retainer being individually fixed in support in opposite directions likely can be closer to each other, the fastening working space for each secure component cannot be guaranteed fully, but as mentioned above, by support and described accelerator rod in opposite directions described in intermediate speed retainer and high rotating speed retainer are installed on dispersedly, described secure component can be avoided closer to each other, thus successfully can carry out installation exercise.
It is preferable that, engineering machinery of the present invention also comprises: force application part, exert a force along described fore-and-aft direction to being positioned at the mobile route of the described accelerator rod on the mobile route of high rotating speed side to slow-speed of revolution side, the mobile route of described high rotating speed side is the path connecting described releasing position and described high rotating speed position, and the mobile route of described slow-speed of revolution side is the path connecting described slow-speed of revolution position and described intermediate speed position; And blocking member, abut with described accelerator rod, move to stop the mobile route of accelerator rod because of the applying power of described force application part along described left and right directions to described slow-speed of revolution side being in described high rotating speed position.
In this project machinery, described force application part exerts a force to being positioned at the mobile route of the accelerator rod on the mobile route of high rotating speed side to slow-speed of revolution side along the longitudinal direction, thus, operator can make accelerator rod successfully move from the mobile route of high rotating speed side to the mobile route of slow-speed of revolution side.And described blocking member stops the accelerator rod being positioned high rotating speed position to move on the mobile route of slow-speed of revolution side in left-right direction suddenly because of the applying power of described force application part.
It is preferable that, described intermediate speed retainer is set to abut with the described accelerator rod being in described high rotating speed position, using as described blocking member.Like this, without the need to arranging the special-purpose member different from described intermediate speed retainer as blocking member, thereby, it is possible to contribute to the simplification constructed.
Claims (4)
1. an engineering machinery, is characterized in that comprising:
Lower running body;
Upper rotation, is mounted on described lower running body with freely rotating;
Motor, is housed in the engine room of described upper rotation;
Accelerator rod, is arranged at described upper rotation, and between the slow-speed of revolution position of end side on the fore-and-aft direction of described upper rotation and the high rotating speed position of another side, can move along described fore-and-aft direction;
Rotational speed operation parts, make the rotating speed of described motor change corresponding to the amount of movement of the described fore-and-aft direction of described accelerator rod; And
Intermediate speed retainer, makes described accelerator rod be parked in the intermediate speed position of specifying between described slow-speed of revolution position and described high rotating speed position, wherein,
Described intermediate speed retainer to move this of described accelerator rod from described slow-speed of revolution position along described fore-and-aft direction to the midway of described high rotating speed position movement at described accelerator rod and limits, and makes described accelerator rod be parked in described intermediate speed position,
Along with described accelerator rod moves to releasing position from described intermediate speed position, described intermediate speed retainer removes the mobile restriction to described accelerator rod, to allow described accelerator rod to move to described high rotating speed position from described releasing position, described releasing position separates the distance of specifying with described intermediate speed position on the left and right directions different from described fore-and-aft direction.
2. engineering machinery according to claim 1, characterized by further comprising:
High rotating speed retainer, makes to be parked in described high rotating speed position from described releasing position along described fore-and-aft direction to the described accelerator rod of described high rotating speed position movement; And
Support in opposite directions, is positioned at than described accelerator rod more by the position of described high rotating speed position side, relative with described accelerator rod on described fore-and-aft direction, wherein,
Support in opposite directions described in described intermediate speed retainer is installed on, limits the movement of described accelerator rod by abutting with the described accelerator rod moving to described intermediate speed position from described slow-speed of revolution position,
Described high rotating speed retainer is installed on described accelerator rod, and when described accelerator rod moves to described high rotating speed position from described releasing position, support in opposite directions described in being connected to, to limit the movement of described accelerator rod.
3. engineering machinery according to claim 1 and 2, characterized by further comprising:
Force application part, exert a force along described fore-and-aft direction to being positioned at the mobile route of the described accelerator rod on the mobile route of high rotating speed side to slow-speed of revolution side, the mobile route of described high rotating speed side is the path connecting described releasing position and described high rotating speed position, and the mobile route of described slow-speed of revolution side is the path connecting described slow-speed of revolution position and described intermediate speed position; And
Blocking member, abuts with described accelerator rod, moves to stop the mobile route of accelerator rod because of the applying power of described force application part along described left and right directions to described slow-speed of revolution side being in described high rotating speed position.
4. engineering machinery according to claim 3, is characterized in that:
Described intermediate speed retainer is set to abut with the described accelerator rod being in described high rotating speed position, using as described blocking member.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013116883A JP5861669B2 (en) | 2013-06-03 | 2013-06-03 | Construction machinery |
| JP2013-116883 | 2013-06-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104213595A true CN104213595A (en) | 2014-12-17 |
| CN104213595B CN104213595B (en) | 2017-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410242436.1A Active CN104213595B (en) | 2013-06-03 | 2014-06-03 | Engineering machinery |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2811079B1 (en) |
| JP (1) | JP5861669B2 (en) |
| CN (1) | CN104213595B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065655A (en) * | 2015-07-16 | 2015-11-18 | 柳州首光科技有限公司 | Limiting locking structure of accelerator rod of engineering machinery |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019078631A (en) | 2017-10-24 | 2019-05-23 | シャープ株式会社 | Pulse light irradiation/reception device and light radar device |
| SE544026C2 (en) * | 2020-03-05 | 2021-11-09 | Husqvarna Ab | A throttle control mechanism for a surfacing machine |
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| JPS62162720U (en) * | 1986-04-03 | 1987-10-16 | ||
| JPH0270056A (en) | 1988-07-26 | 1990-03-08 | Komatsu Ltd | Production of nitrided parts |
| JPH0637093Y2 (en) * | 1988-11-15 | 1994-09-28 | セイレイ工業株式会社 | Safety equipment for work machines |
| JPH04368231A (en) * | 1991-06-14 | 1992-12-21 | Kubota Corp | Forward/backward movement gear shift operation structure for working vehicle |
| JPH0781450A (en) * | 1993-09-17 | 1995-03-28 | Kubota Corp | Walking type mobile agricultural machinery |
| JP3240110B2 (en) * | 1996-02-02 | 2001-12-17 | 本田技研工業株式会社 | Work vehicle operating device |
| JPH10317999A (en) * | 1997-05-15 | 1998-12-02 | Kubota Corp | Accelerator operation structure of farm working machine |
| US20060070482A1 (en) * | 2004-06-17 | 2006-04-06 | Deere & Company, A Delaware Corporation | Control lever with rotary wheel |
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- 2013-06-03 JP JP2013116883A patent/JP5861669B2/en active Active
-
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- 2014-05-27 EP EP14169944.7A patent/EP2811079B1/en active Active
- 2014-06-03 CN CN201410242436.1A patent/CN104213595B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1374148A (en) * | 1971-05-28 | 1974-11-13 | Caterpillar Tractor Co | Shift linkage for transmission |
| US3871244A (en) * | 1973-09-18 | 1975-03-18 | Teleflex Inc | Lever control assembly |
| US4228879A (en) * | 1978-09-28 | 1980-10-21 | Deere & Company | Tractor transmission shift control |
| US20080184841A1 (en) * | 2007-02-02 | 2008-08-07 | Alain Blind | Operating Device For A Vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065655A (en) * | 2015-07-16 | 2015-11-18 | 柳州首光科技有限公司 | Limiting locking structure of accelerator rod of engineering machinery |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014234075A (en) | 2014-12-15 |
| JP5861669B2 (en) | 2016-02-16 |
| EP2811079B1 (en) | 2022-04-13 |
| CN104213595B (en) | 2017-11-03 |
| EP2811079A1 (en) | 2014-12-10 |
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