CN103921862B - Multiaxis can turn to scalable flat bed transport vehicle - Google Patents
Multiaxis can turn to scalable flat bed transport vehicle Download PDFInfo
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- CN103921862B CN103921862B CN201410139694.7A CN201410139694A CN103921862B CN 103921862 B CN103921862 B CN 103921862B CN 201410139694 A CN201410139694 A CN 201410139694A CN 103921862 B CN103921862 B CN 103921862B
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Abstract
The present invention relates to a kind of multiaxis and can turn to scalable heavy flat transport vehicle, it is by vehicle frame, suspension, multi-axis steering system, brakes and hydraulic system, described steering is by rear steering oil cylinder and is arranged on each axletree steering mechanism and forms, described steering mechanism includes steering arm, transverse link and axle head can be turned to form, described rear steering oil cylinder has a pair, cylinder part is individually fixed on the longeron of Rear frame tail end, the piston rod of said two rear steering oil cylinder is connected with steering arm respectively, described transverse link one end is hingedly connected to the both sides of steering arm, the other end is hinged with turning to axle head, described axle head is turned to be connected with axletree。The present invention can 100 tons of dead weight cargos of maximum load, can effectively reduce tire frictional resistance, reduce the radius of turn of vehicle simultaneously, improve trafficability, increase remote control steering control system simultaneously, be effectively improved convenience and the safety of vehicle operating。
Description
Technical field
The present invention relates to a kind of flat bed transport vehicle, particularly relate to a kind of multiaxis and can turn to scalable flat bed transport vehicle。Belong to heavy duty transport equipment technical field。
Background technology
Multi-axial cord flat car is mostly adopted to transport currently for 60 tons to 120 tons of non-removable heavy goods, this kind vehicle is generally adopted a line twin axle hydraulic suspension structure, the structure relative complex of whole flat car, add the difficulty of maintenance, particularly hydraulic system therein is bigger, the Hydraulic Elements related to are many, thus improve fault rate and the car load cost of flat car；Conventional semitrailer is typically only capable to accomplish three axles simultaneously, and the number of axle is less, and bearing capacity is little, can only load the goods of about 50 tons, and owing to rear axle can not turn to, radius of turn is big so that tire wear amount improves, and increases the expense using and keeping in repair。
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency, it is provided that a kind of eight axles can turn to scalable flat bed transport vehicle, simplify vehicle structure, effectively reduce radius of turn, reduce tire frictional resistance and improve tyre life, vehicle is scalable simultaneously, can transport ultralong overweight structural member。
The object of the present invention is achieved like this: a kind of multiaxis can turn to scalable heavy flat transport vehicle, it is by vehicle frame, suspension, multi-axis steering system, brakes and hydraulic system, described multi-axis steering system is installed in vehicle frame, described suspension is arranged on frame downward, described hydraulic system provides pressure oil to promote the action of multi-axis steering system, described steering is by rear steering oil cylinder and is arranged on each axletree steering mechanism and forms, described steering mechanism includes steering arm, transverse link and axle head can be turned to form, described rear steering oil cylinder has a pair, cylinder part is individually fixed on the longeron of Rear frame tail end, the piston rod of said two rear steering oil cylinder is connected with steering arm respectively, described transverse link has a pair, its one end is hingedly connected to the both sides of steering arm, the other end is hinged with turning to axle head, described axle head is turned to be connected with axletree respectively, it is hinged by longitudinal rod and steering arm between adjacent Liang Ge steering mechanism。
Described vehicle frame is made up of front frame and Rear frame two sections, and described front frame and Rear frame are mutually inserted formation one by two interior beams and jack stringer。
Described suspension adopts tandem leaf spring vibration insulating system, vehicle bridge and tire adopt U-bolt to couple with suspension, realize the carrying of goods, it is made up of suspension holdfast, leaf spring, U-bolt, axletree and tire, described suspension holdfast welded and installed is used as the transmission of vehicle frame platform stress on the longeron of vehicle frame, described leaf spring U-bolt is arranged on axletree, and described tire is installed on axletree。
Described transport vehicle includes remote control steering control system, and including wire remote control devices, cable and power supply, described wire remote control devices is connected on the pilot-operated type electro-hydraulic reversing valve of described hydraulic system by cable, for controlling the forced steering of multi-axis steering system。
Compared with prior art, the invention has the beneficial effects as follows:
A kind of eight axles of the present invention can turn to scalable heavy flat transport vehicle, this vehicle is multi-shaft steering vehicle, can 100 tons of dead weight cargos of maximum load, this car can realize rear axle follow-up steering simultaneously, when tractor pulls round, rear axle can realize follow-up steering by gooseneck steering cylinder, effectively reduce tire frictional resistance, reduce the radius of turn of vehicle simultaneously, improve trafficability, increase remote control steering control system simultaneously, be effectively improved convenience and the safety of vehicle operating。
Accompanying drawing explanation
Fig. 1 is the front view of the present invention。
Fig. 2 is the top view of Fig. 1。
Fig. 3 is the structural representation after the present invention stretches。
Fig. 4 is the AA sectional view of Fig. 3。
Fig. 5 is vehicle suspension system schematic diagram。
Fig. 6 is wheel steering system schematic diagram。
Fig. 7 is motor vehicle braking system schematic diagram。
Fig. 8 is automobile hydraulic system schematic diagram。
Fig. 9 is remote control steering control system schematic diagram。
Wherein:
Vehicle frame 1(front frame 1.1, Rear frame 1.2, interior beam 1.3, jack stringer 1.4, crossbeam 1.5, spar 1.6, side bar 1.7)
Suspension 2 (suspension holdfast 2.1, leaf spring 2.2, U-bolt 2.3, axletree 2.4, tire 2.5)
Multi-axis steering system 3 (rear steering oil cylinder 3.1, steering arm 3.2, transverse link 3.3, axle head 3.4, longitudinal rod 3.5 can be turned to)
Brakes 4 (gas receiver 4.1, two-chamber brake cylinder 4.2, emergency brake 4.3, hand brake valve 4.4, pipeline 4.5)
Hydraulic system 5 (hydraulic power unit 5.1, gooseneck steering cylinder 5.2, fluid pressure line 5.3, steering control valve group 5.4)
Remote control steering control system 6 (wire remote control devices 6.1, cable 6.2)。
Detailed description of the invention
Referring to Fig. 1 Fig. 3, the present invention relates to a kind of multiaxis and can turn to scalable heavy flat transport vehicle, it is made up of vehicle frame 1, suspension 2, multi-axis steering system 3, brakes 4, hydraulic system 5 and remote control steering control system 6。Described vehicle frame 1 is made up of front frame 1.1 and Rear frame 1.2 two sections, and described multi-axis steering system 3 is installed in Rear frame 1.2, mainly realizes turning to of vehicle bridge axle head, reduces the abrasion of tire and reduces radius of turn；Described suspension 2 is arranged on vehicle frame 1 bottom, adopts tandem leaf spring vibration insulating system, vehicle bridge and tire to adopt U-bolt to couple with suspension, it is achieved the carrying of goods；Hydraulic system 5 mainly provides pressure oil to promote the action of steering cylinder, realize vehicle axles to turn to, brakes 4 promotes wheel cylinder action mainly through braking gas source, realize the braking of axletree, finally realizing the braking of vehicle, remote control steering control system 6 controls the break-make of source of the gas by control circuit, controls the action of steering hydraulic valve group, finally realize the forced steering action of vehicle, to reduce the radius of turn of vehicle。
Referring to Fig. 4, described vehicle frame 1 is made up of front frame 1.1 and Rear frame 1.2 two sections, described front frame 1.1 and Rear frame 1.2 are by two interior beams 1.3, jack stringer 1.4 is mutually inserted formation one, one end that concrete connected mode is described two interior beams 1.3 is both secured in front frame 1.1, the other end inserts in jack stringer 1.4, one end of described jack stringer 1.4 is fixed with Rear frame 1.2, the described relative jack stringer of interior beam 1.3 1.4 is movable, and flexible can to realize vehicle platform elastic to reach to expand the effect in load bed face, longer object can be transported after stretching out, simultaneously vehicle frame can shorten to most short status, reduce vehicle commander and radius of turn, to improve trafficability, vehicle frame 1 is as the platform of bearing goods simultaneously, main by crossbeam 1.5, spar 1.6 and side bar 1.7 form, a fenestral fabric is formed by welding, possess very strong intensity and rigidity。
Referring to Fig. 5, described suspension 2 is by suspension holdfast 2.1, leaf spring 2.2, U-bolt 2.3, axletree 2.4 and tire 2.5 form, described suspension holdfast 2.1 welded and installed is used as the transmission of vehicle frame platform stress on the longeron of vehicle frame 1, described leaf spring 2.2 U-bolt 2.3 is arranged on axletree 2.4, the leaf spring that is forced through of vehicle frame is acted in vehicle bridge, leaf spring has very strong elasticity simultaneously, the effect of vibration damping can be played, described axletree 2.4 is divided into six roots of sensation steerable axle and two not steerable axle, in eight axles, first three axle and rear three axles are can steering spindle, middle two axles are can not steering spindle, because less being similar to of two Shaft angles middle in steering procedure does not need to turn to, cost is reduced for simplifying structure, middle two axles are designed as can not steering spindle, all the other axletrees because of corner die is designed as can steering spindle；Axletree 2.4 plays the effect of mounting tyre and leaf spring simultaneously, and described tire 2.5 is installed on as final bearing part on axletree 2.4, simultaneously because tire is manufactured by rubber, can effectively reduce the frictional resistance with ground。
Referring to Fig. 6, steering 3 is by rear steering oil cylinder 3.1 and is arranged on each axletree 2.4 steering mechanism and forms, described steering mechanism includes steering arm 3.2, transverse link 3.3 and axle head 3.4 can be turned to form, described rear steering oil cylinder 3.1 has a pair, cylinder part is individually fixed on the longeron of Rear frame 1.2 tail end, the piston rod of said two rear steering oil cylinder 3.1 is connected with steering arm 3.2 respectively, described transverse link 3.3 has a pair, its one end is hingedly connected to the both sides of steering arm 3.2, the other end is hinged with turning to axle head 3.4, described axle head 3.4 is turned to be connected with axletree 2.4 respectively, it is hinged by longitudinal rod 3.5 and steering arm 3.2 between adjacent Liang Ge steering mechanism。
When car of pulling strings pulls round, the gooseneck steering cylinder follow-up steering of hydraulic system 5, the pressure oil of gooseneck steering cylinder flows into one of them the rear steering oil cylinder 3.1 after vehicle frame by pipeline, pressure oil promotes described rear steering oil cylinder 3.1 piston rod to push out, cylinder piston rod drives steering arm 3.2 to rotate again, steering arm drives the transverse link 3.3 hinged with it to rotate, transverse link 3.3 pulls and axle head 3.4 can be turned to rotate, pressure oil in another rear steering oil cylinder 3.1 is then counter current, turn to thus realizing one group of tire, steering arm 3.2 can drive previous axle steer arm to rotate by longitudinal rod 3.5 simultaneously, thus realizing previous axle turning to axle head rotate, drive wheel steering, the like, finally realize multiaxis to turn to simultaneously, restriction because of vehicle suspension system space, it is little that design overcomes space, numerous difficulties such as leverage is complicated。This steering is the design difficulty of this car, is also the key inventive point of this vehicle。
Referring to Fig. 7, described brakes 4 is made up of gas receiver 4.1, two-chamber brake cylinder 4.2, emergency brake 4.3, hand brake valve group 4.4, pipeline 4.5, it may be achieved brake hard and parking braking；Reddish yellow Liang Tiao road is coupled with tractor by snap joint；Red pipeline is loading line, source of the gas is provided for trailer, yellow pipeline is control piper, thering is provided brake control signal source of the gas, main car provide braking gas source to promote emergency relay valve action, emergency relay valve outlet 2 offer braking gas source promotes brake cylinder action, emergency brake of vehicle can be realized, simultaneously by the switching of hand brake valve action working position, it may be achieved two chamber brake cylinder energy-storing chamber inflation/deflation action, finally realize vehicle parking and parking braking releases。
Referring to Fig. 8, described hydraulic system 5 is made up of hydraulic power unit 5.1, gooseneck steering cylinder 5.2, fluid pressure line 5.3 and pilot-operated type electro-hydraulic reversing valve 5.4, the main follow-up steering that vehicle is provided and forced steering desirable pressure oil, during normal vehicle operation, tractor saddle drives gooseneck steering cylinder action, the pressure oil of gooseneck steering cylinder passes into the rear steering oil cylinder at vehicle frame rear portion by pipeline, promotes the action of rear portion steering cylinder；Vehicle is in the little space of radius of turn, hydraulic power unit can be started, replaced action by pilot-operated type electro-hydraulic reversing valve 5.4, pumping plant provides pressure oil to flow into rear portion steering cylinder, steering cylinder piston rod action promotes linkage action, realize the forced steering of vehicle, reach to reduce the effect of vehicle turn radius。
Referring to Fig. 9, described remote control steering control system 6 is made up of wire remote control devices 6.1, cable 6.2 and 24V power supply, this course changing control hydraulic valve bank is pilot-operated type electro-hydraulic reversing valve, by on wire remote control devices different button control electro-hydraulic reversing valve both sides elder generations conducting magnetic iron dead electricity, pilot-operated type electro-hydraulic reversing valve is made to be operated in left side or right side station, promoting hydraulic valve core commutation action, pressure oil respectively enters the big loculus of steering cylinder, may finally realize the left and right forced steering of vehicle。Power supply used is trailer 24V electricity, this remote controller is connected on control hydraulic valve elder generation conducting magnetic iron by cable, can realizing there is line traffic control at a distance by remote controller band jumper line, improve convenience and the safety of operator, this function is the another key inventive point of this vehicle。
Claims (3)
1. a multiaxis can turn to scalable heavy flat transport vehicle, it is by vehicle frame (1), suspension (2), multi-axis steering system (3), brakes (4) and hydraulic system (5), described multi-axis steering system (3) is installed in vehicle frame (1), described suspension (2) is arranged on vehicle frame (1) bottom, described hydraulic system (5) provides pressure oil to promote the action of multi-axis steering system (3), it is characterized in that described steering (3) by rear steering oil cylinder (3.1) and is arranged on the upper steering mechanism of each axletree (2.4) and forms, described steering mechanism includes steering arm (3.2), transverse link (3.3) and axle head (3.4) can be turned to form, described rear steering oil cylinder (3.1) has a pair, cylinder part is individually fixed on the longeron of Rear frame (1.2) tail end, the piston rod of said two rear steering oil cylinder (3.1) is connected with steering arm (3.2) respectively, described transverse link (3.3) has a pair, its one end is hingedly connected to the both sides of steering arm (3.2), the other end is hinged with turning to axle head (3.4), described axle head (3.4) is turned to be connected with axletree (2.4) respectively, it is hinged by longitudinal rod (3.5) and steering arm (3.2) between adjacent Liang Ge steering mechanism, described transport vehicle includes remote control steering control system (6), including wire remote control devices (6.1), cable (6.2) and power supply, described wire remote control devices (6.1) is connected on the pilot-operated type electro-hydraulic reversing valve (5.4) of described hydraulic system (5) by cable (6.2), for controlling the forced steering of multi-axis steering system (3)。
2. a kind of multiaxis according to claim 1 can turn to scalable heavy flat transport vehicle, it is characterized in that described vehicle frame (1) is made up of front frame (1.1) and Rear frame (1.2) two sections, described front frame (1.1) and Rear frame (1.2) are mutually inserted formation one by two interior beams (1.3) and jack stringer (1.4)。
3. a kind of multiaxis according to claim 1 can turn to scalable heavy flat transport vehicle, it is characterized in that described suspension (2) adopts tandem leaf spring vibration insulating system, vehicle bridge and tire adopt U-bolt to couple with suspension, realize the carrying of goods, by suspension holdfast (2.1), leaf spring (2.2), U-bolt (2.3), axletree (2.4) and tire (2.5) composition, described suspension holdfast (2.1) welded and installed is used as the transmission of vehicle frame platform stress on the longeron of vehicle frame (1), described leaf spring (2.2) U-bolt (2.3) is arranged on axletree (2.4), described tire (2.5) is installed on axletree (2.4)。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410139694.7A CN103921862B (en) | 2014-04-09 | 2014-04-09 | Multiaxis can turn to scalable flat bed transport vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410139694.7A CN103921862B (en) | 2014-04-09 | 2014-04-09 | Multiaxis can turn to scalable flat bed transport vehicle |
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| CN103921862A CN103921862A (en) | 2014-07-16 |
| CN103921862B true CN103921862B (en) | 2016-06-22 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105365886A (en) * | 2015-12-10 | 2016-03-02 | 湖北三江航天万山特种车辆有限公司 | Multi-axis steerable telescopic flatbed transport vehicle |
| CN105584544B (en) * | 2016-03-16 | 2018-01-05 | 贵州省哇通了工程机械服务有限公司 | A kind of gooseneck modular device of the module disengaging type semitrailer of covariant |
| CN107187439B (en) * | 2017-03-22 | 2019-06-11 | 辽宁瑞丰专用车制造有限公司 | A kind of hydraulic pan conveyer control method |
| CN110329140A (en) * | 2019-06-26 | 2019-10-15 | 广东中集建筑制造有限公司 | It is used to support the crossbeam of container and the vehicle with it |
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| US4702488A (en) * | 1984-12-14 | 1987-10-27 | Atlantic Richfield Company | Steering system for tractor-trailer units |
| US4740006A (en) * | 1985-10-01 | 1988-04-26 | Ducote Edgar A | Remote-control steering system |
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