CN103921862A - Platform trailer with multiple steerable and retractable axles - Google Patents
Platform trailer with multiple steerable and retractable axles Download PDFInfo
- Publication number
- CN103921862A CN103921862A CN201410139694.7A CN201410139694A CN103921862A CN 103921862 A CN103921862 A CN 103921862A CN 201410139694 A CN201410139694 A CN 201410139694A CN 103921862 A CN103921862 A CN 103921862A
- Authority
- CN
- China
- Prior art keywords
- steering
- vehicle frame
- vehicle
- turn
- axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Vehicle Body Suspensions (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The invention relates to a platform trailer with multiple steerable and retractable axles. The platform trailer comprises a frame, a suspension system, a multi-axle steering system, a braking system and a hydraulic system. The steering system comprises a pair of rear steering oil cylinders and steering mechanisms respectively mounted on the axles. Each steering mechanism comprises a steering arm, horizontal connecting rods and steerable axle ends. Bodies of the rear steering oil cylinders are fixed on a longitudinal beam at the rail end of a rear frame respectively. Piston rods of the two rear steering oil cylinders are connected with the corresponding steering arm respectively. One ends of the horizontal connecting rods are hinged to two sides of the corresponding steering arm respectively, and the other ends of the horizontal connecting rods are hinged to the steerable axle ends. The steerable axle ends are connected with the axles. The platform trailer can maximumly load 100t heavy cargo, and tire frictional resistance can be effectively reduced; the radius of turning circle of the trailer is reduced, and trafficability is improved; a remote-control steering control system is added, so that convenience and safety in trailer operation are effectively improved.
Description
Technical field
The present invention relates to a kind of flat bed transport vehicle, relate in particular to a kind of multiaxis and can turn to scalable flat bed transport vehicle.Belong to heavy equipment technology field of transport.
Background technology
For 60 tons to 120 tons non-removable heavy goods, mostly adopt multi-axial cord flat truck to transport at present, the general line twin axle hydraulic suspension structure that adopts of this kind vehicle, the structure relative complex of whole flat truck, increased the difficulty of maintenance, particularly hydraulic efficiency pressure system is wherein larger, the Hydraulic Elements that relate to are many, thereby improved fault rate and the car load cost of flat truck; Conventional superimposed trailer can only be accomplished three axles conventionally simultaneously, and the number of axle is less, and bearing capacity is little, can only load the goods of 50 tons of left and right, and because rear axle can not turn to, turn radius is large, and wear on tyres amount is improved, and increases the expense of using and keeping in repair.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide a kind of eight axles can turn to scalable flat bed transport vehicle, simplify vehicle structure, effectively reduce turn radius, reduce tire frictional resistance and improve tire life, vehicle is scalable simultaneously, can transport ultralong overweight framing 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-axle steering system, brake system and hydraulic efficiency pressure system, described multi-axle steering system is installed in vehicle frame, described suspension is arranged on vehicle frame bottom, described hydraulic efficiency pressure system provides pressure oil to promote the action of multi-axle steering system, described steering swivel system is by rear steering oil cylinder and be arranged on steering hardware on each axletree and form, described steering hardware comprises spindle arm, transverse link and can turn to axle head to form, described rear steering oil cylinder has a pair of, cylinder part is individually fixed on the longeron of rear vehicle frame tail end, the piston rod of described two rear steering oil cylinders is connected with spindle arm respectively, described transverse link has a pair of, its one end is articulated with respectively the both sides of spindle arm, the other end with can turn to axle head to be hinged, the described axle head that turns to is connected with axletree respectively, between adjacent two steering hardwarees, by longitudinal rod and spindle arm, be hinged.
Described vehicle frame is comprised of two sections of front vehicle frame and rear vehicle frames, and described front vehicle frame and rear vehicle frame are by two interior beams and the exterior beam formation one of mutually pegging graft.
Described suspension adopts tandem steel spring vibration insulating system, vehicle bridge and tire adopt U-bolt to connect with suspension, realize the carrying of goods, by suspension holdfast, steel spring, U-bolt, axletree and tire, formed, described suspension holdfast welded and installed is used as the stressed transmission of vehicle frame platform on the longeron of vehicle frame, described steel spring is arranged on axletree with U-bolt, and described tire is installed on axletree.
Described transport trolley comprises remote control steering control system, comprises wire remote control devices, cable and power supply, and described wire remote control devices is connected on by cable on the pilot-operated type electro-hydraulic reversing valve of described hydraulic efficiency pressure system, for controlling the forced steering of multi-axle 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 heavy lifts of maximum load, this car can be realized rear axle follow-up steering simultaneously, when tractor truck pulls round, rear axle can be realized follow-up steering by gooseneck steering cylinder, effectively reduce tire frictional resistance, reduce the turn radius of vehicle simultaneously, improve trafficability, increase remote control steering control system simultaneously, effectively improve comfort feature and the safety of vehicle operating.
Accompanying drawing explanation
Fig. 1 is front elevation of the present invention.
Fig. 2 is the birds-eye view of Fig. 1.
Fig. 3 is the structural representation after the present invention stretches.
Fig. 4 is the AA cutaway 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 vehicle frame 1.1, rear vehicle frame 1.2, interior beam 1.3, exterior beam 1.4, crossbeam 1.5, spar 1.6, side bar 1.7)
Suspension 2 (suspension holdfast 2.1, steel spring 2.2, U-bolt 2.3, axletree 2.4, tire 2.5)
Multi-axle steering system 3 (rear steering oil cylinder 3.1, spindle arm 3.2, transverse link 3.3, can turn to axle head 3.4, longitudinal rod 3.5)
Brake system 4 (air receiver 4.1, two-chamber brake cylinder 4.2, emergency brake valve 4.3, hand brake valve 4.4, pipeline 4.5)
Hydraulic efficiency pressure system 5 (hydraulic power unit 5.1, gooseneck steering cylinder 5.2, hydraulic tubing 5.3, steering control valve group 5.4)
Remote control steering control system 6 (wire remote control devices 6.1, cable 6.2).
The specific embodiment
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 comprised of vehicle frame 1, suspension 2, multi-axle steering system 3, brake system 4, hydraulic efficiency pressure system 5 and remote control steering control system 6.Described vehicle frame 1 is comprised of 1.2 two sections of front vehicle frame 1.1 and rear vehicle frames, and described multi-axle steering system 3 is installed in rear vehicle frame 1.2, is mainly to realize turning to of vehicle bridge axle head, reduces the wearing and tearing of tire and reduces turn radius; Described suspension 2 is arranged on vehicle frame 1 bottom, adopts tandem steel spring vibration insulating system, and vehicle bridge and tire adopt U-bolt to connect with suspension, realize the carrying of goods; Hydraulic efficiency pressure system 5 mainly provides pressure oil to promote the action of steering cylinder, realizing vehicle axles turns to, brake system 4 mainly promotes wheel cylinder by braking gas source and moves, realize the braking of axletree, finally realize the braking of vehicle, remote control steering control system 6 is controlled 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 turn radius of vehicle.
Referring to Fig. 4, described vehicle frame 1 is comprised of 1.2 two sections of front vehicle frame 1.1 and rear vehicle frames, described front vehicle frame 1.1 and rear vehicle frame 1.2 are by two interior beams 1.3, exterior beam 1.4 is mutually pegged graft and is formed one, one end that concrete connection mode is described two interior beams 1.3 is all fixed in front vehicle frame 1.1, the other end inserts in exterior beam 1.4, one end of described exterior beam 1.4 and rear vehicle frame 1.2 are fixing, the relative exterior beam 1.4 of described interior beam 1.3 moves forward and backward that flexible can to realize vehicle platform elastic to reach the effect that expands goods table top, after stretching out, can transport longer object, simultaneously vehicle frame can shorten to short status, reduce vehicle commander and turn radius, to improve trafficability, vehicle frame 1 is as the platform of bearing goods simultaneously, mainly by crossbeam 1.5, spar 1.6 and side bar 1.7 form, by welding, form a fenestral fabric, possess very strong intensity and rigidity.
Referring to Fig. 5, described suspension 2 is by suspension holdfast 2.1, steel spring 2.2, U-bolt 2.3, axletree 2.4 and tire 2.5 form, described suspension holdfast 2.1 welded and installed are used as the stressed transmission of vehicle frame platform on the longeron of vehicle frame 1, described steel spring 2.2 use U-bolts 2.3 are arranged on axletree 2.4, the stressed of vehicle frame acted in vehicle bridge by steel spring, steel spring has very strong elasticity simultaneously, can play the effect of vibration damping, described axletree 2.4 is divided into not steerable axle of six roots of sensation steerable axle and two, in eight axles, first three axle and rear three axles are can steering shaft, middle two axles are can not steering shaft, because less being similar to of middle two Shaft angles in steering procedure do not need to turn to, for simplified structure reduces costs, middle diaxon is designed to can not steering shaft, be designed to can steering shaft because of corner die for all the other axletrees, axletree 2.4 plays the effect of mounting tyre and steel spring simultaneously, and described tire 2.5 is installed on the final load member of conduct on axletree 2.4, simultaneously because tire is manufactured by rubber, can effectively reduce the friction drag with ground.
Referring to Fig. 6, steering swivel system 3 is by rear steering oil cylinder 3.1 and be arranged on steering hardware on each axletree 2.4 and form, described steering hardware comprises spindle arm 3.2, transverse link 3.3 and can turn to axle head 3.4 to form, described rear steering oil cylinder 3.1 has a pair of, cylinder part is individually fixed on the longeron of rear vehicle frame 1.2 tail ends, the piston rod of described two rear steering oil cylinders 2.1 is connected with spindle arm 3.2 respectively, described transverse link 3.3 has a pair of, its one end is articulated with respectively the both sides of spindle arm 3.2, the other end with can turn to axle head 3.4 to be hinged, the described axle head 3.4 that turns to is connected with axletree 2.4 respectively, between adjacent two steering hardwarees, by longitudinal rod 3.5 and spindle arm 3.2, be hinged.
When the car of pulling strings pulls round, the gooseneck steering cylinder follow-up steering of hydraulic efficiency pressure 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 rods to extrapolation, cylinder piston rod drives spindle arm 3.2 to rotate again, spindle arm drives the transverse link hinged with it 3.3 to rotate, transverse link 3.3 pulls and can turn to axle head 3.4 to rotate, pressure oil in another rear steering oil cylinder 3.1 is counter current, thereby realize one group of tyre revolution to, spindle arm 3.2 can drive last axle steer arm to rotate by longitudinal rod 3.5 simultaneously, thereby realizing on last axle to turn to axle head to rotate, drive wheel steering, the like, finally realize multiaxis turns to simultaneously, restriction because of vehicle suspension system space, it is little that design has overcome space, numerous difficulties such as leverage complexity.This steering swivel system is the design difficulty of this car, is also the crucial inventive point of this vehicle.
Referring to Fig. 7, described brake system 4 is comprised of air receiver 4.1, two-chamber brake cylinder 4.2, emergency brake valve 4.3, hand brake valve group 4.4, pipeline 4.5, can realize emergency braking and braking during standstill; Reddish yellow Liang Tiao road connects with tractor truck by quick coupling; Red pipeline is loading line, for trailer provides source of the gas, yellow pipeline is pilot piping, brake control signal source of the gas is provided, provides braking gas source to promote emergency relay valve move by main car, emergency relay valve outlet 2 provides braking gas source to promote brake cylinder action, can realize emergency brake of vehicle, by hand brake valve, move working position simultaneously and switch, can realize the action of two chamber brake cylinder energy-storing chamber inflation/deflation, finally realize vehicle parking and braking during standstill and remove.
Referring to Fig. 8, described hydraulic efficiency pressure system 5 is comprised of hydraulic power unit 5.1, gooseneck steering cylinder 5.2, hydraulic tubing 5.3 and pilot-operated type electro-hydraulic reversing valve 5.4, follow-up steering and the required pressure oil of forced steering of vehicle are mainly provided, during normal vehicle operation, tractor truck saddle drives the action of gooseneck steering cylinder, the pressure oil of gooseneck steering cylinder passes into the rear steering oil cylinder at vehicle frame rear portion by pipeline, promote the action of rear portion steering cylinder; Vehicle is in the little space of turn radius, can start hydraulic power unit, by the 5.4 transposition actions of pilot-operated type electro-hydraulic reversing valve, pumping plant provides pressure oil to flow into rear portion steering cylinder, the action of steering cylinder piston rod promotes connecting rod mechanism action, realize the forced steering of vehicle, reach the effect that reduces turn inside diameter radius.
Referring to Fig. 9, described remote control steering control system 6 is comprised of wire remote control devices 6.1, cable 6.2 and 24V power supply, this turns to and controls hydraulic valve bank is pilot-operated type electro-hydraulic reversing valve, by the dead electricity that obtains of the first conducting magnetic iron in different push button control electro-hydraulic reversing valves both sides on wire remote control devices, make pilot-operated type electro-hydraulic reversing valve be operated in left side or right side station, promote hydraulic valve core commutation action, pressure oil enters respectively the large loculus of steering cylinder, finally can realize the left and right forced steering of vehicle.Power supply used is trailer 24V electricity, this remote controller is connected on and is controlled on the first conducting magnetic iron of hydraulic valve by cable, by remote controller band jumper line, can realize and have at a distance line control, improve convenience and the safety of operating personal, the another crucial inventive point that this function is this vehicle.
Claims (4)
1. a multiaxis can turn to scalable heavy flat transport vehicle, it is by vehicle frame (1), suspension (2), multi-axle steering system (3), brake system (4) and hydraulic efficiency pressure system (5), described multi-axle steering system (3) is installed in vehicle frame (1), described suspension (2) is arranged on vehicle frame (1) bottom, described hydraulic efficiency pressure system (5) provides pressure oil to promote the action of multi-axle steering system (3), it is characterized in that described steering swivel system (3) by rear steering oil cylinder (3.1) and be arranged on the upper steering hardware of each axletree (2.4) forming, described steering hardware comprises spindle arm (3.2), transverse link (3.3) and can turn to axle head (3.4) to form, described rear steering oil cylinder (3.1) has a pair of, cylinder part is individually fixed on the longeron of rear vehicle frame (1.2) tail end, the piston rod of described two rear steering oil cylinders (2.1) is connected with spindle arm (3.2) respectively, described transverse link (3.3) has a pair of, its one end is articulated with respectively the both sides of spindle arm (3.2), the other end with can turn to axle head (3.4) to be hinged, the described axle head (3.4) that turns to is connected with axletree (2.4) respectively, between adjacent two steering hardwarees, by longitudinal rod (3.5) and spindle arm (3.2), be hinged.
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 comprised of (1.2) two sections of front vehicle frame (1.1) and rear vehicle frames, described front vehicle frame (1.1) and rear vehicle frame (1.2) are mutually pegged graft and are formed one with exterior beam (1.4) by two interior beams (1.3).
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 steel spring vibration insulating system, vehicle bridge and tire adopt U-bolt to connect with suspension, realize the carrying of goods, by suspension holdfast (2.1), steel 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 stressed transmission of vehicle frame platform on the longeron of vehicle frame (1), described steel spring (2.2) is arranged on axletree (2.4) with U-bolt (2.3), described tire (2.5) is installed on axletree (2.4).
4. a kind of multiaxis according to claim 1 can turn to scalable heavy flat transport vehicle, it is characterized in that described transport trolley comprises remote control steering control system (6), comprise wire remote control devices (6.1), cable (6.2) and power supply, the pilot-operated type electro-hydraulic reversing valve (5.4) that described wire remote control devices (6.1) is connected on described hydraulic efficiency pressure system (5) by cable (6.2) is upper, for controlling the forced steering of multi-axle steering system (3).
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103921862A true CN103921862A (en) | 2014-07-16 |
| CN103921862B CN103921862B (en) | 2016-06-22 |
Family
ID=51140317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410139694.7A Active CN103921862B (en) | 2014-04-09 | 2014-04-09 | Multiaxis can turn to scalable flat bed transport vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103921862B (en) |
Cited By (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 |
| CN105584544A (en) * | 2016-03-16 | 2016-05-18 | 贵州省哇通了工程机械服务有限公司 | Gooseneck module device of covariant module-separation-and reunion type semi-trailer |
| CN107187439A (en) * | 2017-03-22 | 2017-09-22 | 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 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN2538579Y (en) * | 2002-02-21 | 2003-03-05 | 铨大企业有限公司 | Trailer chassis suspending assembly |
| CN2934013Y (en) * | 2005-12-14 | 2007-08-15 | 广东明威专用汽车有限公司 | Trailer axle shaft hydraulically steering-driving mechanism |
| CN201329902Y (en) * | 2008-12-29 | 2009-10-21 | 郑州宏达汽车工业有限公司 | Telescopic semi-trailer and telescopic box girder thereof |
| CN202180850U (en) * | 2011-08-11 | 2012-04-04 | 江苏海鹏特种车辆有限公司 | Connecting rod type integral axle steering mechanism |
| CN202686470U (en) * | 2012-05-31 | 2013-01-23 | 衢州市华夏专用汽车有限公司 | Linkage steering system of semi-trailer |
| CN203427880U (en) * | 2013-09-09 | 2014-02-12 | 连云港金优车辆机械有限公司 | Dustpan vehicle steering suspension |
| CN203876871U (en) * | 2014-04-09 | 2014-10-15 | 江苏海鹏特种车辆有限公司 | Multi-shaft flat carrier vehicle capable of steering and extending |
-
2014
- 2014-04-09 CN CN201410139694.7A patent/CN103921862B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN2538579Y (en) * | 2002-02-21 | 2003-03-05 | 铨大企业有限公司 | Trailer chassis suspending assembly |
| CN2934013Y (en) * | 2005-12-14 | 2007-08-15 | 广东明威专用汽车有限公司 | Trailer axle shaft hydraulically steering-driving mechanism |
| CN201329902Y (en) * | 2008-12-29 | 2009-10-21 | 郑州宏达汽车工业有限公司 | Telescopic semi-trailer and telescopic box girder thereof |
| CN202180850U (en) * | 2011-08-11 | 2012-04-04 | 江苏海鹏特种车辆有限公司 | Connecting rod type integral axle steering mechanism |
| CN202686470U (en) * | 2012-05-31 | 2013-01-23 | 衢州市华夏专用汽车有限公司 | Linkage steering system of semi-trailer |
| CN203427880U (en) * | 2013-09-09 | 2014-02-12 | 连云港金优车辆机械有限公司 | Dustpan vehicle steering suspension |
| CN203876871U (en) * | 2014-04-09 | 2014-10-15 | 江苏海鹏特种车辆有限公司 | Multi-shaft flat carrier vehicle capable of steering and extending |
Cited By (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 |
| CN105584544A (en) * | 2016-03-16 | 2016-05-18 | 贵州省哇通了工程机械服务有限公司 | Gooseneck module device of covariant module-separation-and reunion type semi-trailer |
| CN107187439A (en) * | 2017-03-22 | 2017-09-22 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103921862B (en) | 2016-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9096263B2 (en) | Operation of self-steering axles on semi-trailers | |
| CN103921862B (en) | Multiaxis can turn to scalable flat bed transport vehicle | |
| CN104709261A (en) | Full-trailer braking system and braking method thereof | |
| CN106275112B (en) | heavy equipment transport vechicle | |
| CN203876871U (en) | Multi-shaft flat carrier vehicle capable of steering and extending | |
| CN202641378U (en) | Coalmine transport cart capable of running in inclined shaft tunnel in two directions | |
| US9828026B2 (en) | Transport trailer load balancing suspension and steering systems | |
| CN205345045U (en) | Multiaxis can turn to scalable jiayouche | |
| CN202124063U (en) | Semi-trailer axle end steering device | |
| CN105365886A (en) | Multi-axis steerable telescopic flatbed transport vehicle | |
| CN102673644A (en) | Steering linkage system for semitrailer | |
| CN201099156Y (en) | Air suspension adapted for heavy truck floating bridge | |
| CN205707413U (en) | A kind of attachment means between tractor and aircraft or helicopter | |
| CN201516877U (en) | Continuous miner handling platform trailer | |
| CN203449875U (en) | Tri-axial semitrailer bridge hoisting system | |
| CN112298399A (en) | Self-propelled semitrailer and vehicle | |
| CN205239699U (en) | But electronic trailer of self -propelled | |
| CN202180850U (en) | Connecting rod type integral axle steering mechanism | |
| CN210734328U (en) | Novel horizontal extension vertical pull hydraulic flat-bed transport vehicle | |
| CN205553846U (en) | A air suspension system that is used for 2nd steering axle gasbag of commercial car to promote | |
| CN204674671U (en) | The steering hardware of platform trailer can be drawn voluntarily | |
| CN205220663U (en) | Hydraulic for machineshop car - mechanical drive bogie | |
| CN203427880U (en) | Dustpan vehicle steering suspension | |
| CN204432757U (en) | A kind of front axle rearmounted pair of servo cylinder hydraulic power-assist steering system | |
| CN203623812U (en) | Trailer axle lifting mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |