CN101863275A - Shuttle car and steering system thereof - Google Patents
Shuttle car and steering system thereof Download PDFInfo
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- CN101863275A CN101863275A CN 201010200959 CN201010200959A CN101863275A CN 101863275 A CN101863275 A CN 101863275A CN 201010200959 CN201010200959 CN 201010200959 CN 201010200959 A CN201010200959 A CN 201010200959A CN 101863275 A CN101863275 A CN 101863275A
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- shuttle car
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- steering
- deflecting bar
- hinge axes
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Abstract
The invention discloses a shuttle car and a steering system thereof. The disclosed steering system of the shuttle car comprises an operating mechanism, a reversing valve, a steering rod, a driving link mechanism, a feedback link mechanism and a feedback steering cylinder, wherein the reversing valve is connected between the feedback steering cylinder and a hydraulic supply; a first hinging axis is formed between the operating mechanism and the steering rod; one end of the driving link mechanism is connected with the valve element of the reversing valve, while the other end of the driving link mechanism is hinged with the steering rod to form a second hinging axis; one end of the feedback link mechanism is connected with the movable part of the feedback steering cylinder, while the other end is connected with the steering rod to form a third hinging axis; and when the steering rod rotates around the third hinging axis, the valve element of the reversing valve is driven to move in a direction and then opens to make the feedback steering cylinder drive the steering rod to rotate around the first hinging axis and to make the valve element of the reversing valve to move in another direction. The steering system of the shuttle car can allow the wheels of the shuttle car to follow the movement of the operating mechanism, so that a driver can determine the deflection angle of the wheels of the shuttle car according to the operating mechanism.
Description
Technical field
The present invention relates to turn to technology, be specially a kind of shuttle car and shuttle car steering swivel system.
Background technology
Shuttle car is a kind of special-use vehicle that transports materials such as coal in underworkings.One end of underworkings is the Lian Caiji that is used for entrucking, and the other end is to be used to unload unloading coal a little of colliery, and shuttle car carries out entrucking at the Lian Caiji place, travels in the tunnel to unloading coal a little in the entrucking back that finishes, and a little unloads unloading coal; Action and so forth constantly is transported to the coal of even adopting the machine place and unloads coal a little.
In order to satisfy the needs of underworkings transportation, shuttle car is a bidirectional driving, promptly according to traffic requirements, and can travelling at both direction; Simultaneously, the cab space of shuttle car is very narrow and small, and therefore, the deflector of general vehicle can not be applied in the shuttle car; Therefore, in the existing shuttle car, generally be action, and then realize control the shuttle car travel direction by the solenoid control steering cylinder.
As shown in Figure 1, this figure is in the prior art, the principle of work scheme drawing of shuttle car steering swivel system.Existing shuttle car steering swivel system comprises two steering cylinders 11, solenoid directional control valve 12, controller 13 and control handle 14.Steering cylinder 11 can drive shuttle car wheel deflection predetermined angular by suitable kinematic link, and with control shuttle car travel direction, solenoid directional control valve 12 is connected between steering cylinder 11 and the Hydraulic Pump; The control end of solenoid directional control valve 12 links to each other with controller 13 mouths, and the input end of controller 13 links to each other with control handle 14.
The working process of above-mentioned shuttle car steering swivel system is: by changing the position of control handle 14, to controller 13 input digital signal corresponding; Controller 13 is exported corresponding current signal according to the digital signal of input to solenoid directional control valve 12; Solenoid directional control valve 12 modulated pressure oil flow directions are stretched out steering cylinder 11 or are withdrawn, and realize the control to the shuttle car travel direction.Current, solenoid directional control valve 12 is a proportional reversing valve, the aperture of its actuator port is directly proportional with the size of current signal, big more in control handle 14 anglecs of rotation, the current signal of controller 13 outputs is big more, solenoid directional control valve 12 actuator port apertures are big more, steering cylinder 11 stretch out or the speed of withdrawing big more, the shuttle car turning velocity is high more; Otherwise the speed of stretching out or withdrawing of steering cylinder 11 is low more, and the shuttle car turning velocity is low more.
Though current shuttle car steering swivel system can realize controlling the purpose of shuttle car travel direction, only the turning velocity with shuttle car is relevant for the size of steering unit change in location amplitudes such as control handle, and is irrelevant with shuttle car wheel deflection angle.This just makes the shuttle car navigating mate not only to make the shuttle car riding manipulation very inconvenient according to the perception shuttle car steering angle of steering unit, and because the space, down-hole is narrow and small, light is bad, the shuttle car incident of being rebuffed often takes place.
Summary of the invention
For this reason, first purpose of the present invention is, a kind of shuttle car steering swivel system is provided, so that shuttle car wheel steering angle is corresponding with the steering unit change in location.
Second purpose of the present invention is, a kind of shuttle car that comprises above-mentioned shuttle car steering swivel system is provided.
In order to realize above-mentioned first purpose, shuttle car steering swivel system provided by the invention
In order to realize above-mentioned first purpose, shuttle car steering swivel system provided by the invention comprises steering unit and change-over valve, also comprises deflecting bar, drive link mechanism, feedback linkage mechanism and feedback steering cylinder; Described change-over valve is connected between feedback steering cylinder and the hydraulic power source, hinged formation first hinge axes of described steering unit and described deflecting bar; Described drive link mechanism one end links to each other with the spool of described change-over valve, hinged formation second hinge axes of the other end and described deflecting bar, described feedback linkage mechanism one end links to each other hinged formation the 3rd hinge axes of the other end and described deflecting bar with the moving part of described feedback steering cylinder; Described first hinge axes, second hinge axes and the 3rd hinge axes three are parallel to each other; Described deflecting bar moves to a direction around the spool that the rotation of the 3rd hinge axes drives change-over valve, and when change-over valve was opened, described feedback steering cylinder can drive deflecting bar and rotate around first hinge axes, and the spool of change-over valve is moved to other direction.
Optionally, described drive link mechanism comprises intermediate bar, and this intermediate bar is hinged with described spool and deflecting bar respectively.
Optionally, described drive link mechanism comprises intermediate bar, and this intermediate bar one end and spool are fixed, and the other end links to each other with jointed shaft, and this jointed shaft slidably cooperates with elongated hole on the described deflecting bar.
Optionally, described feedback linkage mechanism comprises intermediate bar, and these intermediate bar two ends are hinged with the moving part and the deflecting bar of described feedback steering cylinder respectively.
Optionally, feedback linkage mechanism comprises intermediate bar, and this intermediate bar one end and spool are fixed, and the other end links to each other with jointed shaft, and this jointed shaft slidably cooperates with elongated hole on the described deflecting bar.
Optionally, described feedback linkage mechanism comprises conversion frame and drive link, and described conversion frame is hinged with an end, shuttle car car body and the described deflecting bar of drive link respectively, and the other end of described drive link is hinged with the moving part of feedback steering cylinder.
Optionally, described feedback linkage mechanism comprises conversion frame, flexible axle and flexible shaft protecting, described conversion frame is hinged with shuttle car car body and deflecting bar respectively, described flexible shaft protecting two ends are separately fixed on the shuttle car car body, described flexible axle passes flexible shaft protecting, two ends link to each other with the conversion frame respectively, the flexible axle partial fixing that the moving part of described feedback steering cylinder and flexible shaft protecting are outer.
Optionally, described change-over valve is a proportional reversing valve.
In order to realize above-mentioned second purpose, shuttle car provided by the invention comprises primary mover and hydraulic efficiency pressure system, the Hydraulic Pump running of described prime mover driven hydraulic efficiency pressure system also comprises above-mentioned any shuttle car steering swivel system, and described Hydraulic Pump is as hydraulic power source from hydraulic oil to the feedback steering cylinder that supply with.
Preferably, described feedback steering cylinder drives the shuttle car wheel steering simultaneously.
Compared with prior art, in the shuttle car steering swivel system provided by the invention, deflecting bar is rotated around the 3rd hinge axes by steering unit; The spool that the deflecting bar rotation drives change-over valve moves, and change-over valve is opened, and hydraulic power source is supplied with hydraulic oil to steering cylinder, drives the deflection of shuttle car wheel, realizes that shuttle car turns to; Simultaneously, hydraulic power source is supplied with hydraulic oil to the feedback steering cylinder, and the drive feedback steering cylinder stretches; When the feedback steering cylinder is flexible, the rotation of driving deflecting bar, the spool that drives change-over valve moves round about, and change-over valve is closed, and cuts off hydraulic power source and is connected with the oil circuit that feeds back between the steering cylinder, makes the shuttle car wheel stop deflection.So just make between the deflection angle of the change in location of steering unit and wheel and have predetermined corresponding relation, realize the servo-actuated of steering unit and shuttle car wheel, and then navigating mate can basis the steering unit change in location determine the deflection angle of shuttle car wheel, control the shuttle car travel direction exactly, make things convenient for the control of shuttle car, reduce the generation of the rebuffed incident of shuttle car; Simultaneously, because the maintenance of the valve body of change-over valve is motionless, spool is crank motion in valve body, can save the space of operator's compartment greatly, satisfies the needs of control shuttle car.
In further technical scheme, by intermediate bar deflecting bar is connected with the feedback steering cylinder with spool or deflecting bar, can keep steering swivel system to have higher reliability keeping utilizing the physical construction high reliability features under the shuttle car steering swivel system situation simple in structure.
In further technical scheme, described feedback linkage mechanism comprises conversion frame and drive link, and by the application force of drive link transmission feedback steering cylinder to deflecting bar; The transfer function moment that can prolong feedback linkage mechanism like this from, make things convenient for the layout of shuttle car steering swivel system.Equally, described feedback linkage mechanism comprises that conversion frame, flexible axle and flexible shaft protecting also can facilitate for the layout of shuttle car steering swivel system, the remote transmission of application force.
In further technical scheme, described change-over valve is a proportional reversing valve, can make the opening of change-over valve corresponding with the change in location amplitude of steering unit, make the stretching speed of the steering cylinder that drives the deflection of shuttle car wheel corresponding with the change in location amplitude of steering unit, and then navigating mate can be adjusted the turning velocity of shuttle car by the rangeability that changes steering unit.
Because the shuttle car steering swivel system has above-mentioned technique effect, comprises that the shuttle car of this shuttle car steering swivel system also has corresponding technique effect.
Description of drawings
Fig. 1 is in the prior art, the principle of work scheme drawing of shuttle car steering swivel system;
Fig. 2 is the motion principle sketch of steering swivel system provided by the invention;
Fig. 3 is the structural representation of the shuttle car steering swivel system that provides of one embodiment of the invention;
Fig. 4 is the left view of A-A right side part among Fig. 3;
Fig. 5 is the perspective view of deflecting bar among Fig. 3, bogie truck and drive link mechanism part.
Among the figure:
Steering cylinder 11, solenoid directional control valve 12, controller 13, control handle 14;
The first hinge axes O1, the second hinge axes O2, the 3rd hinge axes O3, the 4th hinge axes O4, the 5th hinge axes O5.
The specific embodiment
Describe the present invention below in conjunction with accompanying drawing, the description of this part only is exemplary and explanatory, should any restriction not arranged to protection scope of the present invention.
Fig. 2 is the motion principle sketch of steering swivel system provided by the invention.Shuttle car steering swivel system provided by the invention comprises feedback steering cylinder 21, change-over valve 22, drive link mechanism 24, feedback linkage mechanism 26 and deflecting bar 25.Change-over valve 22 is connected between feedback steering cylinder 21 and the Hydraulic Pump 23, and Hydraulic Pump 23 provides hydraulic power as hydraulic power source for the shuttle car steering swivel system, the stretching of change-over valve 22 controlled feedback steering cylinders 21.Form the first hinge axes O1 between deflecting bar 25 and the known steering unit (not shown), deflecting bar 25 can be rotated with respect to steering unit.Drive link mechanism 24 1 ends link to each other with the spool of change-over valve 22, the other end and the deflecting bar 25 hinged formation second hinge axes O2.(fixedly the time, its piston is a moving part to the moving part of feedback linkage mechanism 26 1 ends and feedback steering cylinder 21 at the feedback cylinder body of steering cylinder 21 and shuttle car car body; Fixedly the time, its cylinder body is a moving part at piston and shuttle car car body) link to each other the other end and deflecting bar 25 formation the 3rd hinge axes O3.The first hinge axes O1, the second hinge axes O2 and the 3rd hinge axes O3 three are parallel to each other, and have preset distance respectively between any two.
The principle of work of above-mentioned shuttle car steering swivel system is: when turning to, navigating mate changes the position of the first hinge axes O1 by known steering units such as operating handle, wheel flutters, makes deflecting bar 25 around the 3rd hinge axes O3 clickwise predetermined angular; The spool that deflecting bar 25 rotations drive change-over valve 22 is moved to the left with respect to valve body, and change-over valve 22 is in right position and opens, and Hydraulic Pump 23 is supplied with hydraulic oil by change-over valve 22 to the rod chamber of feedback steering cylinder 21, and drive feedback steering cylinder 21 shortens; When feedback steering cylinder 21 shortens, drive the shuttle car wheel, realize that shuttle car turns to predetermined direction deflection; Simultaneously, feedback steering cylinder 21 drives deflecting bar 24 by feedback linkage mechanism 26 and rotates to anticlockwise direction around the first hinge axes O, simultaneously, the spool that deflecting bar 25 drives change-over valve 22 moves right, until change-over valve 22 is closed, cut off Hydraulic Pump 23 and be connected, make the shuttle car wheel stop deflection with the oil circuit that feeds back between the steering cylinder 21.Like this, this steering swivel system can make and have predetermined corresponding relation between the deflection angle of steering unit change in location and shuttle car wheel, realizes shuttle car wheel and steering unit servo-actuated; Like this, navigating mate just can be determined the travel direction of shuttle car according to the position of steering unit, for control shuttle car direction facilitates.
Certainly, in order to satisfy the working control needs, also can outside the steering cylinder of drive wheels deflection, make the feedback steering cylinder that drives deflecting bar 25 is set separately.In addition, in order to realize the servo-actuated of steering unit and shuttle car wheel, should feedback steering cylinder 21, change-over valve 22 be arranged accordingly according to the shuttle car actual needs.Below to realizing that the factor that shuttle car wheel and steering unit servo-actuated relate to describes.
Rotate to first direction around the 3rd hinge axes O3 if steering unit drives deflecting bar 25, the feedback steering cylinder drives deflecting bar 25 and rotates to second direction around the first hinge axes O1.Following position difference according to three hinge axes illustrates respectively.As Fig. 2, when the second hinge axes O2 is between the first hinge axes O1 and the 3rd hinge axes O3, realize that steering unit with shuttle car wheel Fu condition is: first direction and second direction are opposite, be that first direction is when being conter clockwise, second direction is a cw, when first direction was cw, second direction was a conter clockwise.When the first hinge axes O1 was between the second hinge axes O2 and the 3rd hinge axes O3, realize that steering unit with shuttle car wheel Fu condition is: first direction and second direction were also opposite.When the 3rd hinge axes O3 is between the first hinge axes O1 and the second hinge axes O2, realize that steering unit with shuttle car wheel Fu condition is: first direction and second direction are identical, be that first direction is when being conter clockwise, second direction is a conter clockwise, when first direction was cw, second direction was a cw.
After different definite second directions according to three hinge axes positions, again according to the concrete installation site, the installation direction that feed back steering cylinder 21, the rodless cavity of feedback steering cylinder 21 is linked to each other with the relevant work hydraulic fluid port of change-over valve 22 with rod chamber, make feedback steering cylinder 21 can drive deflecting bar 25 and rotate to predetermined aspect around the first hinge axes O1.Satisfying under the prerequisite of above-mentioned condition, just can drive the spool of change-over valve 22 when predetermined direction moves around the 3rd hinge axes O3 rotation at deflecting bar 25, change-over valve 25 is opened, at Hydraulic Pump 23 behind feedback steering cylinder 21 fuel feeding, feedback steering cylinder 21 moving parts just can drive deflecting bar 25 and rotate around the first hinge axes O1, and the spool of change-over valve 22 is moved round about.
It will be understood by those skilled in the art that above-mentioned only is the description that is example to realizing that the servo-actuated condition is carried out with kinematic sketch shown in Figure 2, in actual applications, can more kinds ofly select according to the concrete structure of deflecting bar 25 and the particular location of steering cylinder 21.Below describe with the arrangement of a specific embodiment each several part.
Please refer to Fig. 3, Fig. 4 and Fig. 5, Fig. 3 is the structural representation of the shuttle car steering swivel system that provides of one embodiment of the invention, Fig. 4 is the left view of A-A right side part among Fig. 3, and Fig. 5 is the perspective view of deflecting bar among Fig. 3, bogie truck and drive link mechanism part.
This shuttle car steering swivel system comprises feedback steering cylinder 21, change-over valve 22, drive link mechanism 24, feedback linkage mechanism 26 and deflecting bar 25.
Among this embodiment, feedback steering cylinder 21 is used to drive deflecting bar 25 and drives the deflection of shuttle car wheel, therefore, feedback steering cylinder 21 is far away apart from deflecting bar 25, for adapting to transfer function power needs, in this example, feedback linkage mechanism 26 comprises conversion frame 261 and drive link 262, conversion frame 261 and deflecting bar 25 hinged formation the 3rd hinge axes O3, be articulated in the 4th hinge axes O4, be articulated in the 5th hinge axes O5 with shuttle car car body 100 with an end of drive link 262, and three axis are parallel to each other, and do not overlap mutually.The other end of drive link 262 is hinged with the moving part of feedback steering cylinder 21.
Deflecting bar 25 and the hinged formation first hinge axes O1 of steering unit (not shown).
The working process of the shuttle car steering swivel system that embodiment one provides is: by suitable steering unit the first hinge axes O3 is rotated around the 3rd hinge axes O3; The spool that deflecting bar 25 rotations drive change-over valve 22 moves to predetermined direction with respect to valve body, and change-over valve 22 is opened, and Hydraulic Pump 23 is supplied with hydraulic oil to feedback steering cylinder 21, and drive feedback steering cylinder 21 stretches.When feedback steering cylinder 21 stretches, drive the deflection of shuttle car wheel, realize that shuttle car turns to; Simultaneously, feedback steering cylinder 21 drives bogie truck 261 by drive link 262 and rotates around the 5th hinge axes O5, bogie truck 261 drives deflecting bar 25 and rotates with the first hinge axes O1, the spool of change-over valve 22 is moved round about, until change-over valve 22 is closed, cut off Hydraulic Pump 23 and be connected with the oil circuit that feeds back between the steering cylinder 21, the shuttle car wheel stops deflection, and deflecting bar 24 stops the rotation.Like this, the first hinge axes O1 moves certain distance, can make steering cylinder 21 elongate or shorten certain distance, drives the inclined to one side give part of a turn of shuttle car wheel, realizes the servo-actuated of shuttle car wheel and predetermined manipulation mechanism.
The concrete structure of steering unit can be selected known multiple mode for use, and therefore, driving the mode that the first hinge axes O1 moves suitable distance has a variety of.Such as: steering unit can comprise a slide block, and this slide block can be slided along the planned orbit that is positioned at the shuttle car car body, and rotatable jointed shaft is set on slide block again, and deflecting bar is linked to each other with hinged block slidably; Further, can also make the slide block can be along the predetermined arc slide that is positioned at the shuttle car car body.Steering unit can also comprise one and shuttle car car body pivotally attached operating handle, and make operating handle and the hinged formation first hinge axes O1 of deflecting bar, operating handle drives deflecting bar 25 rotations for convenience, operating handle can be slided with respect to the shuttle car car body, or deflecting bar 25 can be slided with respect to operating handle.Steering unit can also comprise and is rotatably installed in wheel flutter on the shuttle car car body (bearing circle) and tooth bar, make the wheel flutter lower end form steering gear, and this steering gear is meshed with this tooth bar, make deflecting bar 25 and the hinged formation first hinge axes O1 of tooth bar, like this, when rotation wheel flutter (bearing circle), can change the position of the first hinge axes O1 of deflecting bar 25 by gear, further, can also be set to arc-shaped rack by tooth bar, to adapt to the needs of deflecting bar 25 rotations.
Change-over valve 22 preferred proportion change-over valves, so that the opening of change-over valve 22 is corresponding with the change in location of steering unit, navigating mate make the stretching speed of the steering cylinder that drives the deflection of shuttle car wheel corresponding, so that can be adjusted the turning velocity of shuttle car according to the rangeability of steering unit with steering unit change in location amplitude.
In addition, drive link mechanism and feedback linkage mechanism are not limited to said structure, also can carry out corresponding setting according to actual needs; Such as: be provided with separately between feedback steering cylinder 21 or feedback steering cylinder 21 and the deflecting bar 25 when smaller, also can between feedback steering cylinder 21 and deflecting bar 25, intermediate bar be set, and make these intermediate bar two ends hinged with deflecting bar 25 and feedback steering cylinder 21 respectively; In addition, intermediate bar also is not limited to two ends articulated structure is set respectively, when drive link mechanism 24 is intermediate bar, intermediate bar one end and spool are fixed, the other end links to each other with jointed shaft, and jointed shaft is slidably cooperated with elongated hole on the deflecting bar 25, this elongated hole should be the elongated hole that extends along deflecting bar 25 length directions.In addition, needs for the transmission of adaptation power, can also there be multiple combination in drive link mechanism and feedback linkage mechanism, can also comprise a plurality of drive links, and between drive link, be provided with and shuttle car car body pivotally attached selector bar, make the selector bar two ends hinged with a drive link respectively, can change force transmission direction and transfer route like this.In addition, in order to adapt to long needs apart from transfer function power, drive link mechanism and feedback linkage mechanism can also comprise the flexible axle structure; Such as, can make feedback linkage mechanism comprise conversion frame, flexible axle and flexible shaft protecting, make the conversion frame hinged with shuttle car car body and deflecting bar 25 respectively, the flexible shaft protecting two ends are separately fixed on the shuttle car car body, flexible axle passes flexible shaft protecting, two ends are fixed with the conversion frame respectively, and have suitable degree of tension, the moving part of feedback steering cylinder and the outer flexible axle partial fixing of flexible shaft protecting; So just can realize the bi-directional of application force by flexible axle, make the conversion frame feed back conter clockwise or clickwise under the steering cylinder driving.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a shuttle car steering swivel system comprises steering unit and change-over valve, it is characterized in that: also comprise deflecting bar, drive link mechanism, feedback linkage mechanism and feedback steering cylinder; Described change-over valve is connected between feedback steering cylinder and the hydraulic power source, hinged formation first hinge axes of described steering unit and described deflecting bar; Described drive link mechanism one end links to each other with the spool of described change-over valve, hinged formation second hinge axes of the other end and described deflecting bar, described feedback linkage mechanism one end links to each other hinged formation the 3rd hinge axes of the other end and described deflecting bar with the moving part of described feedback steering cylinder; Described first hinge axes, second hinge axes and the 3rd hinge axes three are parallel to each other;
Described deflecting bar moves to a direction around the spool that the rotation of the 3rd hinge axes drives change-over valve, and when change-over valve was opened, described feedback steering cylinder can drive deflecting bar and rotate around first hinge axes, and the spool of change-over valve is moved to other direction.
2. shuttle car steering swivel system according to claim 1 is characterized in that: described drive link mechanism comprises intermediate bar, and this intermediate bar is hinged with described spool and deflecting bar respectively.
3. shuttle car steering swivel system according to claim 1 is characterized in that: described drive link mechanism comprises intermediate bar, and this intermediate bar one end and spool are fixed, and the other end links to each other with jointed shaft, and this jointed shaft slidably cooperates with elongated hole on the described deflecting bar.
4. according to claim 1,2 or 3 described shuttle car steering swivel systems, it is characterized in that: described feedback linkage mechanism comprises intermediate bar, and these intermediate bar two ends are hinged with the moving part and the deflecting bar of described feedback steering cylinder respectively.
5. according to claim 1,2 or 3 described shuttle car steering swivel systems, it is characterized in that: feedback linkage mechanism comprises intermediate bar, and this intermediate bar one end and spool are fixed, and the other end links to each other with jointed shaft, and this jointed shaft slidably cooperates with elongated hole on the described deflecting bar.
6. according to claim 1,2 or 3 described shuttle car steering swivel systems, it is characterized in that: described feedback linkage mechanism comprises conversion frame and drive link, described conversion frame is hinged with an end, shuttle car car body and the described deflecting bar of drive link respectively, and the other end of described drive link is hinged with the moving part of feedback steering cylinder.
7. according to claim 1,2 or 3 described shuttle car steering swivel systems, it is characterized in that: described feedback linkage mechanism comprises conversion frame, flexible axle and flexible shaft protecting, described conversion frame is hinged with shuttle car car body and deflecting bar respectively, described flexible shaft protecting two ends are separately fixed on the shuttle car car body, described flexible axle passes flexible shaft protecting, two ends link to each other with the conversion frame respectively, the flexible axle partial fixing that the moving part of described feedback steering cylinder and flexible shaft protecting are outer.
8. according to claim 1,2 or 3 described shuttle car steering swivel systems, it is characterized in that: described change-over valve is a proportional reversing valve.
9. shuttle car, comprise primary mover and hydraulic efficiency pressure system, the Hydraulic Pump running of described prime mover driven hydraulic efficiency pressure system is characterized in that: comprise each described shuttle car steering swivel system of claim 1-8, described Hydraulic Pump is as hydraulic power source from hydraulic oil to the feedback steering cylinder that supply with.
10. shuttle car according to claim 9 is characterized in that: described feedback steering cylinder drives the shuttle car wheel steering simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010200959 CN101863275A (en) | 2010-06-09 | 2010-06-09 | Shuttle car and steering system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010200959 CN101863275A (en) | 2010-06-09 | 2010-06-09 | Shuttle car and steering system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101863275A true CN101863275A (en) | 2010-10-20 |
Family
ID=42955263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010200959 Pending CN101863275A (en) | 2010-06-09 | 2010-06-09 | Shuttle car and steering system thereof |
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| CN (1) | CN101863275A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192203A (en) * | 2011-03-23 | 2011-09-21 | 宁夏银川大河数控机床有限公司 | Hydraulic reciprocating follow-up control device |
| CN103332219A (en) * | 2013-06-27 | 2013-10-02 | 三一重型装备有限公司 | Shuttle vehicle and hydraulic steering system thereof |
| CN113022600A (en) * | 2021-03-09 | 2021-06-25 | 中国煤炭科工集团太原研究院有限公司 | Shuttle vehicle differential control method and device based on current and vehicle |
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| JPS63265768A (en) * | 1987-04-22 | 1988-11-02 | Komatsu Ltd | Hydraulic steering device |
| US4972915A (en) * | 1987-05-26 | 1990-11-27 | Kabushiki Kaisha Komatsu Seisakusho | Hydraulic steering apparatus |
| CN2664968Y (en) * | 2003-10-28 | 2004-12-22 | 曹斌 | Vehicle bi-directional driving hydraulic equipment |
| JP2009227045A (en) * | 2008-03-21 | 2009-10-08 | Komatsu Ltd | Steering operation device |
| CN201712612U (en) * | 2010-06-09 | 2011-01-19 | 三一重型装备有限公司 | Shuttle car and shuttle car steering system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS63265768A (en) * | 1987-04-22 | 1988-11-02 | Komatsu Ltd | Hydraulic steering device |
| US4972915A (en) * | 1987-05-26 | 1990-11-27 | Kabushiki Kaisha Komatsu Seisakusho | Hydraulic steering apparatus |
| CN2664968Y (en) * | 2003-10-28 | 2004-12-22 | 曹斌 | Vehicle bi-directional driving hydraulic equipment |
| JP2009227045A (en) * | 2008-03-21 | 2009-10-08 | Komatsu Ltd | Steering operation device |
| CN201712612U (en) * | 2010-06-09 | 2011-01-19 | 三一重型装备有限公司 | Shuttle car and shuttle car steering system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192203A (en) * | 2011-03-23 | 2011-09-21 | 宁夏银川大河数控机床有限公司 | Hydraulic reciprocating follow-up control device |
| WO2012126376A1 (en) * | 2011-03-23 | 2012-09-27 | 宁夏银川大河数控机床有限公司 | Hydraulic reciprocating servo control device |
| CN103332219A (en) * | 2013-06-27 | 2013-10-02 | 三一重型装备有限公司 | Shuttle vehicle and hydraulic steering system thereof |
| CN103332219B (en) * | 2013-06-27 | 2016-02-10 | 三一重型装备有限公司 | Shuttle car and hydrostatic steering system thereof |
| CN113022600A (en) * | 2021-03-09 | 2021-06-25 | 中国煤炭科工集团太原研究院有限公司 | Shuttle vehicle differential control method and device based on current and vehicle |
| CN113022600B (en) * | 2021-03-09 | 2022-04-22 | 中国煤炭科工集团太原研究院有限公司 | Shuttle vehicle differential control method and device based on current and vehicle |
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Application publication date: 20101020 |