CN102009689B - Wheel steering device of multi-axle automobile - Google Patents
Wheel steering device of multi-axle automobile Download PDFInfo
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- CN102009689B CN102009689B CN2010105434259A CN201010543425A CN102009689B CN 102009689 B CN102009689 B CN 102009689B CN 2010105434259 A CN2010105434259 A CN 2010105434259A CN 201010543425 A CN201010543425 A CN 201010543425A CN 102009689 B CN102009689 B CN 102009689B
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Abstract
The invention relates to a wheel steering device of a multi-axle automobile. Left and right booster arms of a direction machine are connected with steering knuckle arms on left and right wheels of a front axle through transverse pull rods, left and right swing rods hinged below an automobile body are connected with steering knuckle arms on left and right wheels of a rear axle through transverse pull rods, the head ends of the left and right swing rods are hinged with transverse connecting sleeves, and first and second oil cylinders are arranged on two sides of the connecting sleeves and fixedly connected with the left and right booster arms through connecting racks; two sides of the tail end of the left swing rod are provided with third and fourth oil cylinders, two sides of the tail end of the right swing rod are provided with fifth and sixth oil cylinders, and the flow direction of an oil passage is controlled by an electromagnetic reversing valve so that pistons of the first and second oil cylinders clamp or loosen the transverse connecting sleeves; pistons of the third and fourth oil cylinders clamp or loosen the left swing rod, and pistons of the fifth and sixth oil cylinders clamp or loosen the right swing rod; and the working states of the first and second oil cylinders are opposite to the working states of the third, fourth, fifth and sixth oil cylinders. The wheel steering device has flexible steering and high linear running speed.
Description
Technical field
The present invention relates to a kind of steering hardware that self-propelled vehicle more than one wheel, that be used for pivoted bogy is arranged, especially a kind of wheel steering device of multi-axle automobile.
Background technology
We know that when turning to, in order to reduce Tyte Wear, to reduce turning circle diameter, the maneuverability property of raising then needs many bridges to turn to simultaneously at multi-axle automobile.And at present, domestic multi-axle automobile has only mono-propons or rear-axle steering when turning to.Can both be when turning in order to control each wheel flutter around same instantaneous being rotated; By the applicant's application and in the CN201545058U China utility model patent specification sheets of Granted publication Augusts 11 in 2010 disclosed a kind of " vehicle multi-shaft wheel steering device "; This device comprises the bearing circle that the direction machine is provided with; The direction machine left and right sides is respectively equipped with propons revolver tierod and the right wheel of propons tierod; Propons revolver tierod turns to hinge to join bulb through the propons revolver and cuts with scissors couplet mutually with propons revolver pitman arm one end; The propons revolver pitman arm other end is connected with the propons left wheel, and the right wheel of propons tierod turns to hinge to join bulb through the right wheel of propons and cuts with scissors couplet mutually with the right wheel of propons pitman arm one end, and the right wheel of the propons pitman arm other end is connected with the right wheel of propons; Back axle is provided with the back axle revolver and turns to hinge couplet bulb and the right wheel of back axle to turn to hinge to join bulb; The back axle revolver turns to hinge to join bulb and cuts with scissors couplet mutually with back axle revolver pitman arm one end; The back axle revolver pitman arm other end is connected with the back axle left wheel; The back axle right side is taken turns and turned to hinge couplet bulb and right pitman arm one end of taking turns of back axle to cut with scissors couplet mutually, and the back axle right side wheel pitman arm other end is connected with back axle right side wheel, and inventive point is: the propons revolver turns to hinge couplet bulb and back axle revolver to turn to and cuts with scissors to join to cut with scissors on the bulb and joins left fork; The right wheel of propons turns to hinge to join bulb and back axle right side wheel turns to hinge to join the right fork of hinge couplet on the bulb; Left fork and right fork middle part join below car body through the hingle shaft hinge respectively, and it is elongated hole that left fork joins the hole with the hinge that the propons revolver turns to hinge couplet bulb to cut with scissors couplet mutually, and it is elongated hole that right fork joins the hole with the hinge that the right wheel of propons turns to hinge couplet bulb to cut with scissors couplet mutually; Further technical scheme is: be provided with the one-level center axle between propons and the back axle at least, the revolver on the center axle turns to hinge to join bulb hinge couplet on left fork, and the right side wheel on the center axle turns to hinge to join bulb hinge couplet on right fork.The multi-shaft wheel steering device of said structure; The left fork that its propons revolver and back axle revolver rely on hinge to join is realized turning to synchronously; The right wheel of propons is realized turning to synchronously with the right fork that the right revolver of back axle relies on hinge to join; And reduced turning circle diameter greatly, but the wheel steering device of said structure, and its back axle left and right wheels exists assembly clearance and the flexible deformation of the bar that swings with the hinged place of the swing hinged place of bar, swing bar and car body; When automobile through uneven road surface or when rolling stone; Back axle is left and right takes turns then can produce and rocks, and can make through the fork that is hinged on the car body below in motion, to produce inharmonious phenomenon between propons, the back axle wheel, then caused straight-line travelling speed can not be too fast, turn to not steady.
Summary of the invention
For overcome back axle in the prior art left and right take turns to be prone to produce rock and cause inharmonious on propons, the back axle wheel movement; Cause vehicle straight-line travelling speed can not be too fast, turn to jiggly deficiency, the present invention provide a kind of rational in infrastructure, wheel steering flexibly, the vehicle straight-line travelling do not had a wheel steering device of the multi-axle automobile of influence.
The technical solution adopted for the present invention to solve the technical problems is: a kind of wheel steering device of multi-axle automobile; It comprises the direction machine that assembles on the bearing circle turning cylinder; One end of the left power assistant arm of direction machine and propons revolver intermediate rod is hinged; The other end of propons revolver intermediate rod is connected with propons revolver track arm, and this propons revolver track arm is assemblied on the propons revolver steeraxle that cooperates with the propons revolver, and an end of the right wheel of the right power assistant arm of direction machine and propons intermediate rod is hinged; The other end of the right wheel of propons intermediate rod is connected with the right wheel of propons track arm, and the right wheel of this propons track arm is assemblied on the right wheel of the propons steeraxle that cooperates with the right wheel of propons; The middle part of one a left fork and a right fork joins below car body through the hingle shaft hinge respectively; One end of back axle revolver intermediate rod is hinged on the left fork; The other end of back axle revolver intermediate rod is connected with back axle revolver track arm; This back axle revolver track arm is assemblied on the back axle revolver steeraxle that cooperates with the back axle revolver; One end of the right wheel of back axle intermediate rod is hinged on the right fork; The other end of the right wheel of back axle intermediate rod is connected with the right wheel of back axle track arm, and the right wheel of this back axle track arm is assemblied on the right wheel of the back axle steeraxle that cooperates with the right wheel of back axle, on the head end of left fork, right fork, has microscler hinge and joins the hole; It is characterized in that: described left fork, right fork join left hinged seat, the right hinged seat fixed on a hole correspondence and the horizontal connector bushing through the microscler hinge on its head end respectively and are hinged; The left and right sides at horizontal connector bushing is respectively equipped with first oil cylinder, second oil cylinder, and the cylinder body of first oil cylinder is captiveed joint with the left power assistant arm of direction machine through first link span, and the cylinder body of second oil cylinder is captiveed joint with the right power assistant arm of direction machine through second link span; The oil pump that fluid in the fuel tank is pumped is communicated with solenoid directional control valve through fuel feed pipe; Between this solenoid directional control valve and fuel tank, be provided with oil return pipe; First oil cylinder, second oil cylinder are connected with solenoid directional control valve through oil pipe; Oil circuit switching-over by electromagnetic switch control solenoid directional control valve loads or off-load first oil cylinder, second oil cylinder synchronously, and the piston that drives first oil cylinder, second oil cylinder is carried out horizontal connector bushing synchronously and clamped or unclamp; Be respectively equipped with the 3rd oil cylinder, the 4th oil cylinder in the tail end left and right sides of left fork; Be respectively equipped with the 5th oil cylinder, the 6th oil cylinder in the tail end left and right sides of right fork; The cylinder body and the car body of the 3rd oil cylinder, the 4th oil cylinder, the 5th oil cylinder, the 6th oil cylinder fix; The 3rd oil cylinder, the 4th oil cylinder, the 5th oil cylinder, the 6th oil cylinder are connected with solenoid directional control valve through oil pipe; Oil circuit switching-over by electromagnetic switch control solenoid directional control valve; The 3rd oil cylinder, the 4th oil cylinder, the 5th oil cylinder, the 6th oil cylinder are loaded or off-load synchronously, and the piston that drives the 3rd oil cylinder, the 4th oil cylinder is carried out left fork synchronously and is clamped or unclamp, and the piston that meanwhile drives the 5th oil cylinder, the 6th oil cylinder is carried out right fork synchronously and clamped or unclamp; Described first oil cylinder, second oil cylinder and the 3rd oil cylinder, the 4th oil cylinder, the 5th oil cylinder, the 6th oil cylinder synchronous working opposite states.
The solenoid directional control valve of above-mentioned connection first oil cylinder, second oil cylinder, the 3rd oil cylinder, the 4th oil cylinder, the 5th oil cylinder, the 6th oil cylinder is the two-position four-way solenoid directional control valve.
The above-mentioned left and right sides that is arranged on horizontal connector bushing, first oil cylinder, second oil cylinder that make cooresponding piston carry out clamping or unclamp horizontal connector bushing synchronously by the switching-over of solenoid control oil circuit; Have the Oil Guide chamber and the guide rod chamber of perforation on its piston; One conduit runs through the tube chamber of horizontal connector bushing; Be positioned at the guide rod chamber that the outer conduit two ends of tube chamber are engaged in the piston of first oil cylinder, second oil cylinder respectively; The piston of first oil cylinder, second oil cylinder can move axially along conduit relatively or in opposite directions; By the Oil Guide chamber that connects on conduit and the corresponding piston, the oil circuit that the guide rod chamber constitutes connection, one in the oil pipe that is connected with solenoid directional control valve and first oil cylinder, second oil cylinder is connected between first oil cylinder, second oil cylinder.
Above-mentioned propons is left and right takes turns and back axle is left and right is provided with that the one-level center axle is left and right takes turns between taking turns at least; Be equipped with center axle revolver track arm on the center axle revolver steeraxle that cooperates with the center axle revolver; Center axle revolver track arm is connected with an end of center axle revolver intermediate rod; The other end of center axle revolver intermediate rod is hinged on the left fork; The right wheel of the center axle that cooperates with the right wheel of center axle is equipped with the right wheel of center axle track arm on the steeraxle, the right wheel of center axle track arm is connected with an end of center axle right side wheel intermediate rod, and the other end of the right wheel of center axle intermediate rod is hinged on the right fork.
The present invention be with the left and right power assistant arm of direction machine respectively warp be connected with the left and right track arm of taking turns on the steeraxle of its pivotally attached intermediate rod and propons; Hinge join the left and right fork below the car body respectively warp be connected with the left and right track arm of taking turns on the steeraxle of its pivotally attached intermediate rod and back axle; Be hinged with a horizontal connector bushing through hinged seat respectively on the head end of left and right fork, laterally first and second oil cylinder of the connector bushing left and right sides is captiveed joint with the left and right power assistant arm of direction machine through link span respectively; By the switching-over of solenoid directional control valve control oil channel, the piston of realizing first and second oil cylinder is carried out horizontal connector bushing synchronously and is clamped or unclamp; Third and fourth oil cylinder of the fork tail end left and right sides, a left side; The 5th, six oil cylinders of the right fork tail end left and right sides; Switching-over by the solenoid directional control valve control oil channel; The piston of realizing synchronously third and fourth oil cylinder is carried out left fork and is clamped or unclamp, and the piston of the 5th, six oil cylinders is carried out right fork and clamped or unclamp; And the mode of operation of the mode of operation of first and second oil cylinder and third and fourth, five, six oil cylinders is opposite.When automobile needs the driving of high-speed straight-line propons to go; Piston through third and fourth oil cylinder of solenoid directional control valve control is carried out clamping to the piston of left fork, the 5th, six oil cylinders to right fork; The piston of first and second oil cylinder is carried out horizontal connector bushing and is unclamped simultaneously; Turning to by the left and right power assistant arm of direction machine of its automobile rotated realization through left and right wheel that intermediate rod, track arm drive propons, and the wheel steering of back axle then is through the passive realization of dragging of left and right fork; When left and right fork was clamped by oil cylinder, left and right fork can not produce swing, and its back axle is left and right takes turns with respect to car body; Its position is also fixed; Automobile is in traveling process, and back axle is left and right takes turns to be difficult for producing and rock, and then propons, back axle wheel movement are coordinated; Vehicle body moves balance, has then improved the speed of straight-line travelling.When automobile is in uneven road surface and needs many bridges to drive maybe need to carry out turning in the minor diameter scope; Piston through third and fourth oil cylinder of solenoid directional control valve synchro control is carried out right fork the piston of left fork, the 5th, six oil cylinders and is loosened; The piston of first and second oil cylinder is carried out horizontal connector bushing and is clamped simultaneously; The back axle wheel can produce slippage or rock, to adapt to rough road conditions.The left and right power assistant arm that comprises by the direction machine that turns to of its automobile turns to through left and right wheel that intermediate rod, track arm drive propons; The horizontal connector bushing that reaches by its clamping through link span, first and second oil cylinder simultaneously drives the hingle shaft swing of left and right fork around the position, intermediate portion; The left and right wheel to propons left and right that promotes back axle taken turns the reversing sense deflection that turns to; Then reduced turning circle diameter, turned to flexibly.Compared with prior art, the present invention have rational in infrastructure, turn to flexibly, straight-line travelling speed is fast, turning circle diameter is little advantage.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is a kind of structural front view of the present invention.
Fig. 2 is the birds-eye view that removes among Fig. 1 behind the car shell.
Fig. 3 is the amplification view behind the A-A line half-twist among Fig. 1.
Fig. 4 is the birds-eye view behind the car shell that removes of another embodiment of the present invention.
Among the figure: 1. bearing circle, 2. car body, 3. propons revolver, 4. propons revolver steeraxle, 5. propons revolver track arm, 6. propons revolver intermediate rod, 7. first link span; 8. left power assistant arm, 9. direction machine, 10. right power assistant arm, 11. second link spans, the right wheel of 12. propons intermediate rod, the right wheel of 13. propons track arm, the right wheel of 14. propons steeraxle; 15. the right wheel of propons, 16. second oil cylinders, 17. first oil cylinders, 18. horizontal connector bushings, 19. right hinged seats, 20. microscler hinges join hole, 21. right forks; 22. right hingle shaft, the right wheel of 23. back axles, the right wheel of 24. back axles steeraxle, the right wheel of 25. back axles track arm, the right wheel of 26. back axles intermediate rod, 27. the 6th oil cylinders; 28. the 5th oil cylinder, 29. the 4th oil cylinders, 30. the 3rd oil cylinders, 31. back axle revolver intermediate rods, 32. back axle revolver track arms, 33. back axle revolver steeraxles; 34. the back axle revolver, 35. oil pipes, 36. left forks, 37. left hingle shafts, 38. oil pumps, 39. fuel tanks; 40. fuel feed pipe, 41. oil return pipes, 42. solenoid directional control valves, 43. oil pipes, 44. microscler hinges join hole, 45. left hinged seats; 46. electromagnetic switch, 47. Oil Guide chambeies, 48. guide rod chambeies, 49. conduits, 50. guide rod chambeies, 51. Oil Guide chambeies; 52. seal ring, 53. seal rings, 54. 2 bridge revolvers, 55. 2 bridge revolver steeraxles, 56. 2 bridge revolver track arms, 57. 2 bridge revolver intermediate rods; 58. three bridge revolvers, 59. 3 bridge revolver steeraxles, 60. 3 bridge revolver track arms, 61. 3 bridge revolver intermediate rods, the right wheel of 62. 2 bridges, the right wheel of 63. 2 bridges steeraxle; 64. the right wheel of two bridges track arm, the right wheel of 65. 2 bridges intermediate rod, the right wheel of 66. 3 bridges, the right wheel of 67. 3 bridges steeraxle, the right wheel of 68. 3 bridges track arm, the right wheel of 69. 3 bridges intermediate rod.
The specific embodiment
Embodiment one
In Fig. 1, a kind of wheel steering device of multi-axle automobile, it comprises bearing circle 1, bearing circle 1 is positioned at the front portion of car body 2.
In Fig. 2, be equipped with direction machine 9 on the turning cylinder of bearing circle 1.
As shown in Figure 2, the left power assistant arm 8 of direction machine 9 is hinged with an end of propons revolver intermediate rod 6, and the other end of propons revolver intermediate rod 6 adopts with propons revolver track arm 5 and is threaded, to regulate steering gap easily.Propons revolver track arm 5 is hinged on the propons revolver steeraxle 4 that cooperates with propons revolver 3.
The right power assistant arm 10 of direction machine 9 is hinged with an end of the right wheel of propons intermediate rod 12; The other end of propons right side wheel intermediate rod 12 adopts with the right wheel of propons track arm 13 and is threaded, these propons right side wheel track arm 13 hinged right wheels on the steeraxle 14 of propons that cooperate with the right wheel 15 of propons.
In Fig. 2, the middle part of a left fork 36 joins below car body 2 through left hingle shaft 37 hinges, and the middle part of a right fork 21 joins below car body 2 through right hingle shaft 22 hinges.
One end of back axle revolver intermediate rod 31 is hinged on the left fork 36, and the other end of back axle revolver intermediate rod 31 is threaded with back axle revolver track arm 32, and this back axle revolver track arm 32 is hinged on the back axle revolver steeraxle 33 that cooperates with back axle revolver 34.
One end of the right wheel of back axle intermediate rod 26 is hinged on the right fork 21, and the other end of the right wheel of back axle intermediate rod 26 is threaded with the right wheel of back axle track arm 25, and the right wheel of this back axle track arm 25 is assemblied on the right wheel of the back axle steeraxle 24 that cooperates with the right wheel 23 of back axle.
As shown in Figure 2, on the head end of left fork 36, have microscler hinge and join hole 44, on the head end of right fork 21, have microscler hinge and join hole 20.In Fig. 2, left fork 36, right fork 21 respectively through the microscler hinge on its head end join hole 44,20 corresponding with a horizontal connector bushing 80 on welding left hinged seat 45, the right hinged seat 19 fixed be hinged.Microscler hinge joins that setting that hole 44 and microscler hinge join hole 20 can be eliminated because the displacement error that left fork 36, right fork 21 bring around the translation of the left hingle shaft 37 of center and 22 swings of right hingle shaft and propons revolver tierod 6, the right wheel of propons tierod 12 respectively; Make propons revolver 3 identical with the right wheel of propons 15 rotational angles; The wheel friction is little, turns to flexibly.
As shown in Figure 2, be respectively equipped with first oil cylinder 17, second oil cylinder 16 in the horizontal left and right sides of connector bushing 18.Wherein the cylinder body of first oil cylinder 17 is captiveed joint with the left power assistant arm 8 of direction machine through first link span 7, and the cylinder body of second oil cylinder 16 is captiveed joint with the right power assistant arm 10 of direction machine through second link span 11.
The present invention also includes fuel tank 39, oil pump 38 and solenoid directional control valve 42.What solenoid directional control valve 42 adopted is the two-position four-way solenoid directional control valve, is realized the switching-over of oil circuit by electromagnetic switch 46 control solenoid directional control valves 42.The oil pump 38 that fluid in the fuel tank 39 is pumped is communicated with solenoid directional control valve 42 through fuel feed pipe 40, is communicated with oil return pipe 41 between solenoid directional control valve 42 and the fuel tank 39.
For the piston that guarantees first oil cylinder 17, second oil cylinder 16 connects reliable to horizontal connector bushing 18 and guarantees that the cooperation between parts is compact; As shown in Figure 3; On the piston of first oil cylinder 17, have the Oil Guide chamber 47 and guide rod chamber 48 of perforation; On the piston of second oil cylinder 16, have the Oil Guide chamber 51 and guide rod chamber 50 of perforation; One conduit 49 runs through the tube chamber of horizontal connector bushing 18, is positioned at guide rod chamber 50, the first oil cylinders 17 of the piston of guide rod chamber 47 that outer conduit 49 two ends of tube chamber are engaged in first oil cylinder 17 respectively, second oil cylinder 16, the piston of second oil cylinder 16 can move axially along conduit 49 relatively or in opposite directions.By knowing among the figure; First oil cylinder 17 forms the oil circuit that is connected through between the guide rod chamber 50 of the perforation on the piston of the Oil Guide chamber 47 of the perforation on its piston, guide rod chamber 48, conduit 49, second oil cylinder 16, Oil Guide chamber 51 and second oil cylinder 16; Therefore, the oil pipe 43 that is connected with solenoid directional control valve is connected with first oil cylinder 17 and gets final product.
Be provided with seal ring 53 between the guide rod chamber 47 of the piston of the conduit 49 and first oil cylinder 17, be provided with seal ring 52 between the guide rod chamber 50 of the piston of the conduit 49 and second oil cylinder 16.
In Fig. 2; Be respectively equipped with the 3rd oil cylinder 30, the 4th oil cylinder 29 in the tail end left and right sides of left fork 36; Be respectively equipped with the 5th oil cylinder 28, the 6th oil cylinder 27 in the tail end left and right sides of right fork 21; The cylinder body of the 3rd oil cylinder 30, the 4th oil cylinder 29, the 5th oil cylinder 28, the 6th oil cylinder 27 fixes with car body respectively; The 3rd oil cylinder 30, the 4th oil cylinder 29, the 5th oil cylinder 28, the 6th oil cylinder 27 are connected with solenoid directional control valve 42 through oil pipe 35; Oil circuit switching-over by electromagnetic switch 46 control solenoid directional control valves 42; The 3rd oil cylinder 30, the 4th oil cylinder 29, the 5th oil cylinder 28, the 6th oil cylinder 27 are loaded or off-load synchronously, and the piston that drives the 3rd oil cylinder 30, the 4th oil cylinder 29 is carried out left fork 36 synchronously and is clamped or unclamp, and the piston that meanwhile drives the 5th oil cylinder 28, the 6th oil cylinder 27 is carried out right fork 21 synchronously and clamped or unclamp the people.
The oil circuit of control solenoid directional control valve 42 flows to, first oil cylinder 17, second oil cylinder 16 and the 3rd oil cylinder 30, the 4th oil cylinder 29, the 5th oil cylinder 28, the 6th oil cylinder 27 synchronous working opposite states.
Automobile is when being gone by propons driving carrying out high-speed straight-line; Oil circuit through control solenoid directional control valve 42 flows to; The piston of controlling the 3rd oil cylinder 30, the 4th oil cylinder 29 is carried out left fork 36 and is clamped; The piston of the 5th oil cylinder 28, the 6th oil cylinder 27 is carried out right fork 21 and is clamped, and the piston of controlling first oil cylinder 17, second oil cylinder 16 simultaneously moves axially on conduit 49 in opposite directions, horizontal connector bushing 18 is carried out unclamped.Turning to by the left and right power assistant arm of direction machine of its automobile rotated realization through left and right wheel that intermediate rod, track arm drive propons, and the wheel steering of back axle then is through the passive realization of dragging of left and right fork.
For example; Bearing circle 1 left-handed turning to the time, left power assistant arm 8 translation to the right of direction machine 9, pulling propons revolver tierod 6, propons revolver track arm 5 move right; Driving propons left wheel 3 through propons revolver steeraxle 4 again turns left; Tierod 12 is taken turns in right power assistant arm 10 translation to the right of direction machine 9 simultaneously, the promotion propons right side, the right wheel of propons track arm 13 moves right, and takes turns the right wheels 15 of steeraxle 14 promotion propons again through the propons right side and turns left.Propons is left and right takes turns in steering procedure; First oil cylinder 17 endwisely slips to the right on conduit 49 under the left power assistant arm 8 of direction machine 9 drives through first link span 7; Second oil cylinder 16 endwisely slips to the right on conduit 49 under the right power assistant arm 10 of direction machine 9 drives through second link span 11; And left fork 11, right fork 21 are in clamped condition, attonity, and left and right only wheel of back axle turns to through dragging of left and right fork passively.
Be in clamped condition at left fork 36, right fork 21, left and right fork can not produce swing, and its back axle is left and right takes turns with respect to car body; Its position is also fixed; Automobile is in traveling process, and back axle is left and right takes turns to be difficult for producing and rock, and then propons, back axle wheel movement are coordinated; Vehicle body operation balance, moving velocity is high.
When automobile is in uneven road surface and needs many bridges to drive maybe need to carry out turning in the minor diameter scope; Oil circuit through control solenoid directional control valve 42 flows to; The piston of synchro control the 3rd oil cylinder 30, the 4th oil cylinder 29 is carried out left fork 36 and is loosened; Meanwhile the piston of synchro control the 5th oil cylinder 28, the 6th oil cylinder 27 is carried out right fork 21 and is loosened, and the piston of synchro control first oil cylinder 17, second oil cylinder 16 moves to axial on conduit 49 simultaneously, horizontal connector bushing 18 is carried out clamping.The wheel slip of back axle or rock is to adapt to rough road conditions.Left and right power assistant arm 8,10 correspondences that comprise by direction machine 9 that turn to of its automobile turn to through revolver 3, the right side wheel 15 that intermediate rod 6,11, track arm 5,13 drive propons; Drive the hingle shaft swing around the position, intermediate portion of left fork 36, right fork 21 through link span 7,11, first oil cylinder 17, second oil cylinder 16 and by the horizontal connector bushing 18 of its clamping simultaneously, the left and right wheel to propons left and right that promotes back axle taken turns the reversing sense deflection that turns to.
For example; Bearing circle 1 left-handed turning to the time, left power assistant arm 8 translation to the right of direction machine 9, pulling propons revolver tierod 6, propons revolver track arm 5 move right; Driving propons left wheel 3 through propons revolver steeraxle 4 again turns left; Tierod 12 is taken turns in right power assistant arm 10 translation to the right of direction machine 9 simultaneously, the promotion propons right side, the right wheel of propons track arm 13 moves right, and takes turns the right wheels 15 of steeraxle 14 promotion propons again through the propons right side and turns left.Propons is left and right takes turns in steering procedure; The piston of first oil cylinder 17, second oil cylinder 16 is carried out horizontal connector bushing 18 and is clamped; Laterally connector bushing 18 in the left power assistant arm 8 of direction machine 9 under the drive of first link span 7, first oil cylinder 17; And under the drive of second link span 11, second oil cylinder 16, move right in the right power assistant arm of direction machine 98; The head end of then left fork 36, right fork 21 under laterally connector bushing 18 drives respectively the hinge between wherein swing to the right; The tail end of then left fork 36, right fork 21 is swung left, and left fork 36 promotes to be moved to the left with its pivotally attached back axle revolver intermediate rod 31, back axle revolver track arm 32, and warp and back axle revolver steeraxle 33 promote 34 deflections to the right of back axle revolvers again; Meanwhile, right fork 21 pullings are moved to the left with the right wheel of its pivotally attached back axle intermediate rod 26, the right wheel of back axle track arm 25, and warp promotes 23 deflections to the right of the right wheel of back axle with the right wheel of back axle steeraxle 24 again.It has reduced turning circle diameter, turns to simple and easy flexible.
Embodiment 2
Present embodiment at propons revolver 3, right wheel 15 and back axle revolver 34, rightly be provided with that the one-level center axle is left and right takes turns between taking turns 23 at least.
Can know that by Fig. 4 center axle is left and right takes turns left and right wheel that comprises two bridges and three bridge two-stage center axles.The revolver of two bridges and three bridges lays respectively at left hinge 27 forward and backward both sides, and the right side wheel of two bridges and three bridges lays respectively at right hinge 22 forward and backward both sides.
In Fig. 4; Be hinged with two bridge revolver track arms 56 on the two bridge revolver steeraxles 55 that two bridge revolvers 54 cooperate; Two bridge revolver track arms 56 are connected with the threaded one end of two bridge revolver intermediate rods 57, and the other end of two bridge revolver intermediate rods 57 is hinged on the left fork 36; Be hinged with the right wheel of the right wheel of two bridges track arm 64, two bridges track arm 64 on the right wheel of the two bridges steeraxle 63 that the right wheel 62 of two bridges cooperates and be connected with the threaded one end of the right wheel of two bridges intermediate rod 65, the other end that intermediate rod 65 is taken turns on the two bridges right side is hinged on the right fork 21.
Be hinged with three bridge revolver track arms, 60, three bridge revolver track arms 60 on the three bridge revolver steeraxles 59 that three bridge revolvers 58 cooperate and be connected with the threaded one end of three bridge revolver intermediate rods 61, the other end of three bridge revolver intermediate rods 61 is hinged on the left fork 36; Be hinged with the right wheel of the right wheel of three bridges track arm 68, three bridges track arm 68 on the right wheel of the three bridges steeraxle 67 that the right wheel 66 of three bridges cooperates and be connected with the threaded one end of the right wheel of three bridges intermediate rod 69, the other end that intermediate rod 69 is taken turns on the three bridges right side is hinged on the right fork 21.
Bearing circle 1 left-handed turning to the time, two bridge revolvers 54 turn to through two bridge revolver steeraxles 55, two bridge revolver track arms 56, two bridge revolver intermediate rod 57 deflections left under the pulling of left fork 36; The right wheel 62 of two bridges turns to through the right wheel of two bridges steeraxle 63, the right wheel of two bridges track arm 64, the deflection left under the promotion of right fork 21 of two bridges right wheel intermediate rod 65, and the steering angle of two bridge revolvers 54, the right wheel 62 of two bridges is less than the steering angle of propons revolver 3, the right wheel 15 of propons.Meanwhile, three bridge revolvers 58 turn in three bridge revolver steeraxles 59, three bridge revolver track arms 60, three bridge revolver intermediate rod 61 deflections to the right under the promotion of left fork 36; The right wheel 66 of three bridges drives down through the right wheel of three bridges steeraxle 67, the right wheel of three bridges track arm 68, the right wheel of three bridges intermediate rod 69 at right fork 21 that deflection to the right turns to, and the steering angle of three bridge revolvers 58, the right wheel 66 of three bridges is less than right 23 the steering angle of taking turns of back axle revolver 34, back axle.
The present invention is rational in infrastructure, turn to flexibly, straight-line travelling speed is fast and steadily, turning circle diameter is little.
Claims (4)
1. the wheel steering device of a multi-axle automobile; It comprises the direction machine that assembles on the bearing circle turning cylinder; One end of the left power assistant arm of direction machine and propons revolver intermediate rod is hinged; The other end of propons revolver intermediate rod is connected with propons revolver track arm, and this propons revolver track arm is assemblied on the propons revolver steeraxle that cooperates with the propons revolver, and an end of the right wheel of the right power assistant arm of direction machine and propons intermediate rod is hinged; The other end of the right wheel of propons intermediate rod is connected with the right wheel of propons track arm, and the right wheel of this propons track arm is assemblied on the right wheel of the propons steeraxle that cooperates with the right wheel of propons; The middle part of one a left fork and a right fork joins below car body through the hingle shaft hinge respectively; One end of back axle revolver intermediate rod is hinged on the left fork; The other end of back axle revolver intermediate rod is connected with back axle revolver track arm; This back axle revolver track arm is assemblied on the back axle revolver steeraxle that cooperates with the back axle revolver; One end of the right wheel of back axle intermediate rod is hinged on the right fork; The other end of the right wheel of back axle intermediate rod is connected with the right wheel of back axle track arm, and the right wheel of this back axle track arm is assemblied on the right wheel of the back axle steeraxle that cooperates with the right wheel of back axle, on the head end of left fork, right fork, has microscler hinge and joins the hole; It is characterized in that: described left fork, right fork join left hinged seat, the right hinged seat fixed on a hole correspondence and the horizontal connector bushing through the microscler hinge on its head end respectively and are hinged; The left and right sides at horizontal connector bushing is respectively equipped with first oil cylinder, second oil cylinder, and the cylinder body of first oil cylinder is captiveed joint with the left power assistant arm of direction machine through first link span, and the cylinder body of second oil cylinder is captiveed joint with the right power assistant arm of direction machine through second link span; The oil pump that fluid in the fuel tank is pumped is communicated with solenoid directional control valve through fuel feed pipe; Between this solenoid directional control valve and fuel tank, be provided with oil return pipe; First oil cylinder, second oil cylinder are connected with solenoid directional control valve through oil pipe; Oil circuit switching-over by electromagnetic switch control solenoid directional control valve loads or off-load first oil cylinder, second oil cylinder synchronously, and the piston that drives first oil cylinder, second oil cylinder is carried out horizontal connector bushing synchronously and clamped or unclamp; Be respectively equipped with the 3rd oil cylinder, the 4th oil cylinder in the tail end left and right sides of left fork; Be respectively equipped with the 5th oil cylinder, the 6th oil cylinder in the tail end left and right sides of right fork; The cylinder body and the car body of the 3rd oil cylinder, the 4th oil cylinder, the 5th oil cylinder, the 6th oil cylinder fix; The 3rd oil cylinder, the 4th oil cylinder, the 5th oil cylinder, the 6th oil cylinder are connected with solenoid directional control valve through oil pipe; Oil circuit switching-over by electromagnetic switch control solenoid directional control valve; The 3rd oil cylinder, the 4th oil cylinder, the 5th oil cylinder, the 6th oil cylinder are loaded or off-load synchronously, and the piston that drives the 3rd oil cylinder, the 4th oil cylinder is carried out left fork synchronously and is clamped or unclamp, and the piston that meanwhile drives the 5th oil cylinder, the 6th oil cylinder is carried out right fork synchronously and clamped or unclamp; Described first oil cylinder, second oil cylinder and the 3rd oil cylinder, the 4th oil cylinder, the 5th oil cylinder, the 6th oil cylinder synchronous working opposite states.
2. the wheel steering device of a kind of multi-axle automobile according to claim 1; It is characterized in that: the described left and right sides of horizontal connector bushing, first oil cylinder, second oil cylinder that makes cooresponding piston carry out clamping or unclamp horizontal connector bushing synchronously by the oil circuit switching-over of solenoid directional control valve of being arranged on; Have the Oil Guide chamber and the guide rod chamber of perforation on its piston; One conduit runs through the tube chamber of horizontal connector bushing; Be positioned at the guide rod chamber that the outer conduit two ends of tube chamber are engaged in the piston of first oil cylinder, second oil cylinder respectively; The piston of first oil cylinder, second oil cylinder can move axially along conduit relatively or in opposite directions; By the Oil Guide chamber that connects on conduit and the corresponding piston, the oil circuit that the guide rod chamber constitutes connection, one in the oil pipe that is connected with solenoid directional control valve and first oil cylinder, second oil cylinder is connected between first oil cylinder, second oil cylinder.
3. the wheel steering device of a kind of multi-axle automobile according to claim 1 and 2, it is characterized in that: the solenoid directional control valve of described connection first oil cylinder, second oil cylinder, the 3rd oil cylinder, the 4th oil cylinder, the 5th oil cylinder, the 6th oil cylinder is the two-position four-way solenoid directional control valve.
4. the wheel steering device of a kind of multi-axle automobile according to claim 1 and 2; It is characterized in that: described propons is left and right takes turns and back axle is left and right is provided with that the one-level center axle is left and right takes turns between taking turns at least; Be equipped with center axle revolver track arm on the center axle revolver steeraxle that cooperates with the center axle revolver; Center axle revolver track arm is connected with an end of center axle revolver intermediate rod; The other end of center axle revolver intermediate rod is hinged on the left fork; The right wheel of the center axle that cooperates with the right wheel of center axle is equipped with the right wheel of center axle track arm on the steeraxle, the right wheel of center axle track arm is connected with an end of center axle right side wheel intermediate rod, and the other end of the right wheel of center axle intermediate rod is hinged on the right fork.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105434259A CN102009689B (en) | 2010-11-03 | 2010-11-03 | Wheel steering device of multi-axle automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105434259A CN102009689B (en) | 2010-11-03 | 2010-11-03 | Wheel steering device of multi-axle automobile |
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| CN102009689A CN102009689A (en) | 2011-04-13 |
| CN102009689B true CN102009689B (en) | 2012-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105434259A Active CN102009689B (en) | 2010-11-03 | 2010-11-03 | Wheel steering device of multi-axle automobile |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108482485A (en) * | 2018-05-31 | 2018-09-04 | 南通环球转向器制造有限公司 | The all-hydraulic rear axle independent steering device of cylinder type and its operation principle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101758856A (en) * | 2009-11-27 | 2010-06-30 | 王政中 | Vehicle multi-shaft wheel steering device |
| CN201545058U (en) * | 2009-11-27 | 2010-08-11 | 王政中 | Multi-axle wheel steering device of automobile |
| CN201951545U (en) * | 2010-11-03 | 2011-08-31 | 王政中 | Wheel turning device of multi-axle automotive |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08127357A (en) * | 1994-10-28 | 1996-05-21 | Mitsubishi Motors Corp | Steering system |
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2010
- 2010-11-03 CN CN2010105434259A patent/CN102009689B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101758856A (en) * | 2009-11-27 | 2010-06-30 | 王政中 | Vehicle multi-shaft wheel steering device |
| CN201545058U (en) * | 2009-11-27 | 2010-08-11 | 王政中 | Multi-axle wheel steering device of automobile |
| CN201951545U (en) * | 2010-11-03 | 2011-08-31 | 王政中 | Wheel turning device of multi-axle automotive |
Non-Patent Citations (1)
| Title |
|---|
| JP平8-127357A 1996.05.21 |
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| CN102009689A (en) | 2011-04-13 |
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