CN100386233C - Independent steering suspension for large-sized power flat bed transport vehicle - Google Patents

Independent steering suspension for large-sized power flat bed transport vehicle Download PDF

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Publication number
CN100386233C
CN100386233C CNB2006100815614A CN200610081561A CN100386233C CN 100386233 C CN100386233 C CN 100386233C CN B2006100815614 A CNB2006100815614 A CN B2006100815614A CN 200610081561 A CN200610081561 A CN 200610081561A CN 100386233 C CN100386233 C CN 100386233C
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arm
hole
axle sleeve
flange
connector
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CN1850536A (en
Inventor
张志华
李运华
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Zhengzhou Dafang hi tech Heavy Industry Co.,Ltd.
Beihang University
Zhengzhou New Dafang Heavy Industries and Technology Co Ltd
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ZHENGZHOU DAFANG BRIDGE MACHINERY CO Ltd
Beihang University
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Abstract

The invention disclosed an independent turning hitch of a large power flat plate transport vehicle, which is composed of a bracket flange, a flange disk, a hanging arm, an oil cylinder, a balance arm, and a wheel axis body, wherein the flange disk is connected to the bracket flange. The bracket flange is arranged on a bottom plate of a flat plate transport vehicle. A connecting disk of the hanging arm is fixedly connected with the flange disk. The fixed point end of the balance arm is arranged at the lower end of the hanging arm, and the lifting end is connected by a connector of the oil cylinder so as to realize the lifting motion of the balance arm. The wheel axis body and a connecting body of the balance arm are connected in decoupling by an axis. The hitch of the present invention realizes independent turning and lifting regulation of the hitch by the motion of the oil cylinder, simultaneously, has the vibration damping function of the traditional hitch, and satisfies to realize turning requirement with multimode.

Description

The independent steering suspension of large-sized power flat bed transport vehicle
Technical field
The present invention relates to a kind of hitch that is applicable to the large-sized power flat bed transport vehicle more than 900 tons.
Background technology
The multi-mode steering system is the important component part of large engineering vehicle and engineering machinery walking and maneuvering system.This class vehicle, because vehicle body is bulky, consider from walking driving, manipulation and control, grounding pressure, structural arrangement equal angles, need a plurality of drivings and steering unit distributed arrangement, steering swivel system needs then that the demand according to the complex job task realizes comprising diagonal at the construction field (site), walks crosswise, the Eight characters turn to (contain the first eight, afterwards eight, the symmetrical Eight characters), the center the multiple pattern that turns to such as turns to.
At present, in the steering swivel system of full size vehicle, the traditional mechanical integrated mode of the many employings of kinematic synthesis between each wheel flutter and Motion Transmission based on leverage or train.Hydraulic booster, all-hydraulic and electric power steering mainly are to reduce actuating force and improve handling quality on mechanical integrated basis.Front-wheel steering, rear-axle steering or the Eight characters that this comprehensive method only can satisfy in the driving process turn to (first three is planted is based on the comprehensive deflection wheel of the steering trapezium of leverage), or speed difference turns to (train is comprehensive) etc. four kinds to turn to pattern, can not realize that other turns to pattern.In addition, mechanical integrated mode also exists and is difficult to accurately realize desirable overall characteristic (just can't accurately satisfy when turning to rotate to the requirement of center pure rolling between each wheel as tie rod linkage), mechanism design and difficult arrangement and realizes shortcoming such as complicated comprehensive method difficulty, the wearing and tearing that bring of its driving error simultaneously and impacting the safety and the service life of also having reduced vehicle.Present hitch mainly considers do not possess the independent steering function from the damping angle, can satisfy the requirement that deflection wheel turns to and the speed difference turns to.
The power flat bed car of large-scale multi axle drive need be realized dull and stereotyped attitude of multi-mode steering and loading and lift adjustment, and this needs a kind of can the realization around vertical center line revolution, oscilaltion with around the three degree of freedom electric-hydraulic proportion control hitch of axis swing.
Summary of the invention
The purpose of this invention is to provide a kind of hitch that is applicable to large-sized power flat bed transport vehicle with independent steering function, this hitch is by the cooperation of suspension arm, equilibrium arm and wheel axis body, relatively rotating of suspension body and pivoting support, the flexible walking that realizes wheel flutter, lifting, two lateral balances and the independent steering of hanging oil cylinder.Hitch is based on the compound motion mechanism of connecting rod mechanism and space hinge, and realizes that for the ease of arranging and handle from structure angle carried out decoupling zero.
The present invention is a kind of independent steering suspension of large-sized power flat bed transport vehicle, and it is made up of bracket flange, flange, suspension arm, oil cylinder, equilibrium arm and wheel axis body,
Described flange connection is on the disk of bracket flange base plate face, and the upper face of bracket flange is connected in the support of power flat bed transport vehicle bottom by tapped bore; Described flange bottom is installed on the terminal pad of suspension arm, terminal pad is provided with through hole, the center of terminal pad below is equipped with bracing frame, the both sides of bracing frame are respectively equipped with left clump weight, right clump weight, and left clump weight, right clump weight are installed in the bottom of terminal pad, be provided with upper groove, low groove between the right baffle-plate of bracing frame and the right baffle plate, the fixed point end of equilibrium arm is installed in the low groove; Be provided with left clapboard, right clapboard in the upper groove, be provided with groove between left clapboard and the right clapboard, one end of left axle sleeve is installed on the left clapboard, the other end of left axle sleeve is installed on first ball bearing of main shaft, first ball bearing of main shaft is installed in the hole on right baffle-plate top, one end of right axle sleeve is installed on the right clapboard, and the other end of right axle sleeve is installed on second ball bearing of main shaft, and second ball bearing of main shaft is installed in the hole on right baffle plate top; Be connected with the pin of going up of oil cylinder in the groove between left clapboard and the right clapboard by axle; The fixed point end of equilibrium arm is installed in the low groove, and the right baffle-plate of low groove is provided with through hole, and the 3rd ball bearing of main shaft is installed in the through hole, and the right baffle plate of low groove is provided with through hole, and the 4th ball bearing of main shaft is installed in the through hole; The two ends of described oil cylinder are connected with pin, lower adaptor respectively, and last pin is installed in the left shelf and the groove between the right shelf of suspension arm, lower adaptor by axle mounting between the left axle sleeve and right axle sleeve on the equilibrium arm; Described top of taking turns the axis body of axis body is provided with rectangular channel, and the two ends of axis body are respectively equipped with left adapter shaft, right adapter shaft, and the axis body center is provided with pin-and-hole, on the left adapter shaft left wheel is installed, and right wheel is installed on the right adapter shaft; The base plate face of described bracket flange is provided with disk, and disk is connected with the flange decoupling zero, and upper face is provided with tapped bore, and the bracket flange is installed in the support of flat bed transport vehicle bottom by tapped bore; The end of the arm body fixed point end of described equilibrium arm is provided with through hole, and the end of arm body lift side is provided with connector, and arm body below is provided with connector, portion's end of connector is provided with pin-and-hole, during assembling, connector is installed in the rectangular channel of wheel axis body, and the pin-and-hole of connector cooperates by axle with the pin-and-hole of axis body; Left axle sleeve one end on the arm body dip plane is installed on the right baffle-plate, right axle sleeve one end on the arm body dip plane is installed on the right baffle plate, leave between the right axle sleeve on left axle sleeve on the arm body dip plane and the arm body dip plane for the notch that the oil cylinder connector is installed, connector cooperates by axle with the through hole of equilibrium arm.
The advantage of independent steering suspension of the present invention is: (1) hitch structure design compactness, and control is convenient; (2) realize hitch independent steering and lift adjustment by oil cylinder 3 motions, have the shock-absorbing function that tradition hangs simultaneously again, can satisfy the requirement that realizes multi-mode steering; (3) hitch is realized by double acting hydraulic cylinder drive link mechanism, simultaneously for ease of detecting corner, by a shift fork connecting rod mechanism corner is sent to the rotary angle transmitter place, has solved the difficulty that angular transducer is installed and overhauled, avoided the stuck problem of sensor effectively; The axle swing part can guarantee to adapt to well the road surface situation; Lifting partly realizes lifting by plunger piston fluid pressure cylinder driven equilibrium arm up-and-down movement; During the flat truck walking, the choke-out of plunger case epitrochoidal chamber, the hydraulic oil in the plunger case chamber can play shock-absorbing function.
Description of drawings
Fig. 1 is a hitch constructional drawing of the present invention.
Figure 1A is the assembling scheme drawing of hitch of the present invention and wheel flutter.
Fig. 2 is the suspension arm constructional drawing.
Fig. 3 is cylinder structure figure.
Fig. 4 is the equilibrium arm constructional drawing.
Fig. 5 is wheel axis structure figure.
Fig. 6 is flange frame master TV structure figure.
Fig. 6 A is a flange frame backsight constructional drawing.
Among the figure: 1. flange 2. suspension arms 21. terminal pads 22. bracing frames
23. right clump weight 24. left clump weight 25. through holes 201. right baffle-plates 202. right baffle plates
203. lower baffle plate 204. upper grooves 205. low grooves 206. bearings 207. axis holes
208. bearing 209. axis holes 210. grooves 211. right axle sleeves 212. left axle sleeves
213. pin 32. lower adaptors on right clapboard 214. left clapboards 3. oil cylinders 31.
4. equilibrium arm 41. arm bodies 411. left axle sleeves 412. right axle sleeves 413. through holes
414. dip plane 415. right baffle plate 416. right baffle-plates 42 fixed point ends 421. through holes
43. connector 44. lift sides 45. connectors 5. are taken turns axis body 501. right adapter shafts
502. left adapter shaft 503. pin-and-holes 504. rectangular channels 505. axis bodies 6. right wheels
7. left wheel 8. bracket flanges 81. base plate faces 811. disks 82. upper faces
821. tapped bore 83. right panel faces 84. left plate faces
The specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
The present invention is a kind of independent steering suspension that is applicable to 900 ton large-scale power flat bed transport vehicles, hitch is by bracket flange 8, flange 1, suspension arm 2, oil cylinder 3, equilibrium arm 4 and wheel axis body 5 are formed, flange 1 is connected on the bracket flange 8, bracket flange 8 is installed on the base plate of flat bed transport vehicle, the terminal pad 21 of suspension arm 2 is connected with flange 1 decoupling zero, the fixed point end 42 of equilibrium arm 4 is installed in the lower end of suspension arm 2, lift side 44 is by being connected the dipping and heaving that has realized equilibrium arm 4 with the connector 32 of oil cylinder 3, and wheel axis body 5 is connected with connector 43 decoupling zeros of equilibrium arm 4 by one.
Described flange 1 is connected on the disk 811 of bracket flange 8 base plate faces 81, and the upper face 82 of bracket flange 8 is connected in the support of power flat bed transport vehicle bottom by tapped bore 821;
Described flange 1 bottom is installed on the terminal pad 21 of suspension arm 2, terminal pad 21 is provided with through hole 25, the center of terminal pad 21 belows is equipped with bracing frame 22, the both sides of bracing frame 22 are respectively equipped with left clump weight 24, right clump weight 23, and left clump weight 24, right clump weight 23 are installed in the bottom of terminal pad 21, be provided with upper groove 204, low groove 205 between the right baffle-plate 201 of bracing frame 22 and the right baffle plate 202, the fixed point end 42 of equilibrium arm 4 is installed in the low groove 205; Be provided with left clapboard 214, right clapboard 213 in the upper groove 204, be provided with groove 210 between left clapboard 214 and the right clapboard 213, one end of left axle sleeve 212 is installed on the left clapboard 214, the other end of left axle sleeve 212 is installed on first ball bearing of main shaft, first ball bearing of main shaft is installed in the hole on right baffle-plate 201 tops, one end of right axle sleeve 211 is installed on the right clapboard 213, and the other end of right axle sleeve 211 is installed on second ball bearing of main shaft, and second ball bearing of main shaft is installed in the hole on right baffle plate 202 tops; Be connected with going up of oil cylinder 3 by axle in the groove 210 between left clapboard 214 and the right clapboard 213 and sell 31; The fixed point end 42 of equilibrium arm 4 is installed in the low groove 205, the right baffle-plate 201 of low groove 205 is provided with through hole 207, the 3rd ball bearing of main shaft 206 is installed in the through hole 207, and the right baffle plate 202 of low groove 205 is provided with through hole 209, and the 4th ball bearing of main shaft 208 is installed in the through hole 209;
The two ends of described oil cylinder 3 are connected with pin 31, lower adaptor 32 respectively, on sell 31 and be installed in the left shelf and the groove 210 between the right shelf of suspension arm 2, lower adaptor 32 by axle mounting between left axle sleeve on the equilibrium arm 4 412 and right axle sleeve 411; In the present invention, oil cylinder 3 is the fair commodity, for oil cylinder 3 is assemblied on the hitch, connects pin 31 and lower adaptor 32 on one at the two ends of oil cylinder 3 respectively, by last pin 31 and suspension arm 2 assemblings, by lower adaptor 32 and equilibrium arm 4 assemblings.
Described top of taking turns the axis body 505 of axis body 5 is provided with rectangular channel 504, the two ends of axis body 505 are respectively equipped with left adapter shaft 502, right adapter shaft 501, axis body 505 lower ends are provided with pin-and-hole 503, be used to place the connector 43 of equilibrium arm 4 in the rectangular channel 504, and pin-and-hole 431 passes through an assembling with pin-and-hole 503, realized walking, the lifting of wheel, on the left adapter shaft 502 left wheel 7 has been installed, right wheel 6 has been installed on the right adapter shaft 501.
The end of the arm body 41 fixed point ends 42 of described equilibrium arm 4 is provided with through hole 421, the end of arm body 41 lift sides 44 is provided with connector 45, arm body 41 belows are provided with connector 43, portion's end of connector 43 is provided with pin-and-hole 431, during assembling, connector 43 is installed in the rectangular channel 504 of wheel axis body 5, and the pin-and-hole 431 of connector 43 cooperates by axle with the pin-and-hole 503 of axis body 505; Left axle sleeve 412 1 ends on arm body 41 dip plane 414 are installed on the right baffle-plate 416, right axle sleeve 411 1 ends on arm body 41 dip plane 414 are installed on the right baffle plate 415, leave between the right axle sleeve 411 on left axle sleeve 412 on arm body 41 dip plane 414 and arm body 41 dip plane 414 for the notch that oil cylinder 3 connectors 32 are installed, connector 32 cooperates by axle with the through hole 413 of equilibrium arm 4;
The base plate face 81 of described bracket flange 8 is provided with disk 811, and disk 811 is connected with flange 1 decoupling zero, and upper face 82 is provided with tapped bore 821, and bracket flange 8 is installed in the support of flat bed transport vehicle bottom by tapped bore 821.
One end of equilibrium arm 4 is connected the end of rocking arm 2, realizes the hitch lifting by the crank motion of oil cylinder 3.When bearing circle rotates, drive flange 1 motion by steering hardware, thereby realize that hitch rotates around flange 1 center shaft; By suspension lifting joystick output command, flexible by electro-hydraulic proportional valve driving oil cylinder 3, thus drive the hitch lifting.
Independent steering suspension of the present invention, by Optimal Structure Designing to the mechanical part that adopts, make large-sized power flat bed transport vehicle be operated in compound motion mechanism under the multimodal steering control system, and realize that for the ease of arranging and handle angle carried out decoupling zero from structure based on connecting rod mechanism and space hinge.This hitch is by the cooperation of suspension arm 2, equilibrium arm 4 and wheel axis body 5, suspension body and pivoting support relatively rotate the flexible walking that realizes wheel flutter, lifting, two lateral balances and the independent steering of oil cylinder 3.

Claims (1)

1. the independent steering suspension of a large-sized power flat bed transport vehicle, it is characterized in that: form by bracket flange (8), flange (1), suspension arm (2), oil cylinder (3), equilibrium arm (4) and wheel axis body (5), described flange (1) is connected on the disk (811) of bracket flange (8) base plate face (81), and the upper face (82) of bracket flange (8) is connected in the support of power flat bed transport vehicle bottom by tapped bore (821);
Described flange (1) bottom is installed on the terminal pad (21) of suspension arm (2), terminal pad (21) is provided with through hole (25), the center of terminal pad (21) below is equipped with bracing frame (22), the both sides of bracing frame (22) are respectively equipped with left clump weight (24), right clump weight (23), be provided with upper groove (204), low groove (205) between the right baffle-plate (201) of bracing frame (22) and the right baffle plate (202), the fixed point end (42) of equilibrium arm (4) is installed in the low groove (205); Be provided with left clapboard (214), right clapboard (213) in the upper groove (204), be provided with groove (210) between left clapboard (214) and the right clapboard (213), one end of left axle sleeve (212) is installed on the left clapboard (214), the other end of left axle sleeve (212) is installed on first ball bearing of main shaft, first ball bearing of main shaft is installed in the hole on right baffle-plate (201) top, one end of right axle sleeve (211) is installed on the right clapboard (213), the other end of right axle sleeve (211) is installed on second ball bearing of main shaft, and second ball bearing of main shaft is installed in the hole on right baffle plate (202) top; Be connected with going up of oil cylinder (3) by axle in the groove (210) between left clapboard (214) and the right clapboard (213) and sell (31); The fixed point end (42) of equilibrium arm (4) is installed in the low groove (205), the right baffle-plate (201) of low groove (205) is provided with through hole (207), the 3rd ball bearing of main shaft (206) is installed in the through hole (207), the right baffle plate (202) of low groove (205) is provided with through hole (209), and the 4th ball bearing of main shaft (208) is installed in the through hole (209);
The two ends of described oil cylinder (3) are connected with pin (31), lower adaptor (32) respectively, last pin (31) is installed in the left shelf of suspension arm (2) and the groove (210) between the right shelf, lower adaptor (32) by axle mounting between the left axle sleeve (412) and right axle sleeve (411) on the equilibrium arm (4);
Described top of taking turns the axis body (505) of axis body (5) is provided with rectangular channel (504), the two ends of axis body (505) are respectively equipped with left adapter shaft (502), right adapter shaft (501), axis body (505) lower end is provided with pin-and-hole (503), on the left side adapter shaft (502) left wheel (7) is installed, right wheel (6) is installed on the right adapter shaft (501);
The end of arm body (41) the fixed point end (42) of described equilibrium arm (4) is provided with through hole (421), the end of arm body (41) lift side (44) is provided with connector (45), arm body (41) below is provided with connector (43), portion's end of connector (43) is provided with pin-and-hole (431), during assembling, connector (43) is installed in the rectangular channel (504) of wheel axis body (5), and the pin-and-hole (431) of connector (43) cooperates by axle with the pin-and-hole (503) of axis body (505); Left axle sleeve (412) one ends on arm body (41) dip plane (414) are installed on the right baffle-plate (416), right axle sleeve (411) one ends on arm body (41) dip plane (414) are installed on the right baffle plate (415), leave between left axle sleeve (412) on arm body (41) dip plane (414) and the right axle sleeve (411) on arm body (41) dip plane (414) for the notch that oil cylinder (3) connector (32) is installed, connector (32) cooperates by axle with the through hole (413) of equilibrium arm (4);
The base plate face (81) of described bracket flange (8) is provided with disk (811), disk (811) is connected with flange (1) decoupling zero, upper face (82) is provided with tapped bore (821), and bracket flange (8) is installed in the support of flat bed transport vehicle bottom by tapped bore (821).
CNB2006100815614A 2006-05-29 2006-05-29 Independent steering suspension for large-sized power flat bed transport vehicle Active CN100386233C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006100815614A CN100386233C (en) 2006-05-29 2006-05-29 Independent steering suspension for large-sized power flat bed transport vehicle

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Application Number Priority Date Filing Date Title
CNB2006100815614A CN100386233C (en) 2006-05-29 2006-05-29 Independent steering suspension for large-sized power flat bed transport vehicle

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CN100386233C true CN100386233C (en) 2008-05-07

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102285375A (en) * 2010-06-17 2011-12-21 上海宝钢设备检修有限公司 All-wheel independent steering mechanism for special vehicle
WO2012174708A1 (en) * 2011-06-21 2012-12-27 Wu Chiang-Chuan Wheel axle lifting device for vehicle
CN102431404A (en) * 2011-10-25 2012-05-02 上海交通大学 Vertically-lifting six-connecting rod type hydraulic hanging machine
CN111377008A (en) * 2018-12-29 2020-07-07 徐州徐工铁路装备有限公司 Steering system, vehicle and vehicle steering method
CN109986919A (en) * 2019-05-07 2019-07-09 苏州大方特种车股份有限公司 Overhead suspended structure

Citations (3)

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Publication number Priority date Publication date Assignee Title
US4635957A (en) * 1983-03-15 1987-01-13 Daimler-Benz Aktiengesellschaft Independent wheel suspension for a wheel of a vehicle
CN87106981A (en) * 1986-10-20 1988-06-01 钱姆伯林集团公司 Adopt the highway trailer train of improved type bogie truck suspension gear
CN1281407A (en) * 1997-12-12 2001-01-24 荷兰新维国际有限公司 Independent front suspension

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4635957A (en) * 1983-03-15 1987-01-13 Daimler-Benz Aktiengesellschaft Independent wheel suspension for a wheel of a vehicle
CN87106981A (en) * 1986-10-20 1988-06-01 钱姆伯林集团公司 Adopt the highway trailer train of improved type bogie truck suspension gear
CN1281407A (en) * 1997-12-12 2001-01-24 荷兰新维国际有限公司 Independent front suspension

Non-Patent Citations (4)

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Title
DCY100型动力平板运输车. 张志华.船舶工程,第3期. 2002
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DJY200型轮胎式吊运梁机. 张磊,刘春玲,袁海文,李运华.起重运输机械,第11期. 2003
DJY200型轮胎式吊运梁机. 张磊,刘春玲,袁海文,李运华.起重运输机械,第11期. 2003 *

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Owner name: ZHENGZHOU NEW DAFANG HEAVY INDUSTRIES + TECHNOLOGY

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