CN1145867A - two-wheel motorcycle supporting device with dynamic balance function - Google Patents

two-wheel motorcycle supporting device with dynamic balance function Download PDF

Info

Publication number
CN1145867A
CN1145867A CN95115755A CN95115755A CN1145867A CN 1145867 A CN1145867 A CN 1145867A CN 95115755 A CN95115755 A CN 95115755A CN 95115755 A CN95115755 A CN 95115755A CN 1145867 A CN1145867 A CN 1145867A
Authority
CN
China
Prior art keywords
support wheel
bar portion
clutch release
slave cylinder
bracing
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.)
Pending
Application number
CN95115755A
Other languages
Chinese (zh)
Inventor
邬大勋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN95115755A priority Critical patent/CN1145867A/en
Publication of CN1145867A publication Critical patent/CN1145867A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62HCYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
    • B62H1/00Supports or stands forming part of or attached to cycles
    • B62H1/02Articulated stands, e.g. in the shape of hinged arms
    • B62H1/04Substantially U-shaped stands for embracing the rear wheel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K23/00Rider-operated controls specially adapted for cycles, i.e. means for initiating control operations, e.g. levers, grips
    • B62K23/08Rider-operated controls specially adapted for cycles, i.e. means for initiating control operations, e.g. levers, grips foot actuated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K2202/00Motorised scooters

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

The two sides of the middle part of the two-wheel motorcycle are provided with a lifting supporting wheel. The supporting wheel rod part is made into a pressure oil cylinder or air cylinder structure, and the supporting wheel extends when bearing the pressure of the vehicle body and can be shortened when not bearing the pressure of the vehicle body. The device has the functions of righting the two-wheeled motorcycle in an inclined state and keeping the motorcycle body balanced and upright through a special hydraulic or pneumatic transmission system. The motorcycle with the said device has no need of supporting ground with legs, and thus has raised driving comfort, stability and safety and capacity of providing closed seat and warming with afterheat of engine in winter.

Description

Drive the two-wheeled motor vehicle bracing or strutting arrangement of attitude equilibrium function
Keep the upright device of car body balance when the invention belongs to the two-wheeled motor vehicle low speed driving.
Keep the upright bracing or strutting arrangement of car body balance when known two-wheeled motor vehicle is not equipped low speed driving, motor bike in starting, go slowly and during stagnation of movement, chaufeur supports ground with pin, upright in order to the balance that keeps car body.By urban road crossing and the dense place of crowd the time, it is very frequent to stop and usually go slowly, and in order to keep the car body balance upright, chaufeur must support ground through pin commonly used, so just increase the physical demands of chaufeur, reduced traveling comfort, stability and the safety of driving.Must support ground through pin commonly used just because of chaufeur, make two-wheeled motor vehicle can not equip closed seat storehouse.Because do not have closed seat storehouse, chaufeur bears the hardship of wind, rain, ash, sand and Exposure to Sunlight, cold unavoidably.Therefore, two-wheeled motor vehicle is lower at cold district degree of utilization in winter.In order to overcome above deficiency, someone tests two support wheels about increasing on the vehicle that two-wheeled travels, but owing to do not have the dynamical equilibrium function, so can not keep car body to be in desirable balance erectility, especially when vehicle ' during in uneven and sloping floor, tilting of car body can be very big, even overturn, and can't not use in real life so do not have the bracing or strutting arrangement of dynamical equilibrium function.
The object of the present invention is to provide a kind of two-wheeled motor vehicle bracing or strutting arrangement that drives the attitude equilibrium function.This device can be started to walk, go slowly and be kept car body balance erectility during stagnation of movement at motor bike, thereby for two-wheeled motor vehicle equipment closed seat storehouse with utilize winter the engine exhaust heat heating that condition is provided.
The two-wheeled motor vehicle bracing or strutting arrangement of drive attitude equilibrium function provided by the invention, the support wheel jacking system, support wheel homestat and the maneuvering system that comprise the support wheel system, are driven by hydraulic pressure, pneumatic, machinery and electrical apparatus mechanism are formed.In motor bike starting, go slowly and during stagnation of movement, two support wheels 2 that are installed in both sides, two-wheeled motor vehicle 1 middle part fall, kiss the earth also keeps the balance erectility of motor bike, support wheel 2 is packed up during cruising.Rising and falling by hydraulic ram 3 control of support wheel 2 also can be realized by pneumatic, machinery and electrical apparatus mechanism.
For making bracing or strutting arrangement have the dynamical equilibrium function, the present invention is made into a kind of clutch release slave cylinder structure with the bar portion of support wheel, makes two-wheeled motor vehicle when going slowly run-off the straight, can be returned to the balance erectility by the support wheel that bar portion extends.
The medium of support wheel bar portion clutch release slave cylinder can be an oil, also can be air.
For reaching two-wheeled motor vehicle to that lopsidedness, the purpose of that side support wheel bar portion elongation, a two position two-way valve is housed on the medium inlet road of support wheel bar portion clutch release slave cylinder, this valve is made of plunger 5, plunger mandrel 10, support wheel support 11 and compression spring 12, and the car body pressure that the dependence support wheel bears opens or closes.
For the support wheel bar portion that is not subjected to car body pressure can be shortened, a normally closed hydraulic control or gas control two-port valve are housed on the media outlet pipeline 0 of support wheel bar portion clutch release slave cylinder, the pilot piping of this valve is connected on the opposite side clutch release slave cylinder, when the opposite side clutch release slave cylinder enters pressure medium, just this side clutch release slave cylinder media outlet pipeline is connected.
Two-wheeled motor vehicle still can turn to flexibly when bracing or strutting arrangement is fallen, support wheel can adopt the clubfoot wheel construction, and the plunger 5 of support wheel bar portion clutch release slave cylinder is made into the axle sleeve shape, the plunger mandrel 10 of hole dress can slide and the garden revolution vertically within it, and the axis of clubfoot wheel can be swung around support wheel bar portion.
The power of this device is to draw from motor bike bent axle or transmission shaft, can adopt direct draw bail, also can adopt power-transfer clutch draw bail driving gear pump 7 or air pump 26 work.
The present invention is the part that the two-wheel bassinet structure of dynamical equilibrium bracing or strutting arrangement is housed, its concrete structure and manufacture and should consider with the motor bike manufacturing of concrete specification, model.This device is easy to use and reliable, can facilitate the development with the comfort type motor bike of new generation in closed seat storehouse, and therefore invention has positive effect.
Fig. 1: a kind of two-wheeled motor vehicle External view with hydrostatic drive dynamical equilibrium bracing or strutting arrangement.
Fig. 2: the present invention adopts the hydraulic system principle figure of hydrostatic drive scheme implementation example.
Fig. 3: the structural representation of the support wheel of band hydraulic ram.
Fig. 4: normally closed two-way pilot operated valve device front view.
Fig. 5: normally closed two-way pilot operated valve device birds-eye view.
Fig. 6: 8 reversing rotary valve front views.
Fig. 7: 8 reversing rotary valve left views.
Fig. 8: 8 reversing rotary valve cutaway views during the cylinder oil-feed of a support wheel hoist cylinder left side.
Fig. 9: 8 reversing rotary valve cutaway views during the cylinder oil-feed of the support wheel hoist cylinder right side.
Figure 10: the present invention adopts the pneumatic system schematic diagram of pneumatic transmission scheme implementation example.Below in conjunction with embodiment and accompanying drawing thereof the present invention is described in further detail.
Embodiment 1: the askew transmission of a kind of liquid realizes the two-wheeled motor vehicle bracing or strutting arrangement of dynamical equilibrium function.
Fig. 1 has provided the rise and fall installation site of support wheel 2 of two-wheeled motor vehicle 1 of dynamical equilibrium bracing or strutting arrangement of band hydraulic pressure.Oil pressure cylinder 3 in two-wheeled motor vehicle starting, go slowly or two support wheels 2 of both sides, motor bike middle part fallen kiss the earth during stagnation of movement; When motor bike 1 cruising, support wheel 2 is risen.Support wheel 2 preferably adopts the clubfoot wheel construction, makes pure rolling on ground during with the realization motorcycle turns, reduces the motor bike car resistance, guarantees to turn to flexibly.The lifting of support wheel 2 is by handling stretcher 22 or 23 realizations of handgrip switch.
Fig. 2 has provided the hydraulic system principle figure of hydrostatic drive scheme implementation example.Draw power from motor bike bent axle or transmission shaft, directly connect or power-transfer clutch connection driven gear pump 7 work pressure oil output with technique known.Pilot control change-over valve 6 changes the sense of motion of oil cylinder 3 pistons, and support wheel 2 is risen or falls.The change-over valve 6 that present embodiment adopts is 8 rotary valves, and its structure is described shown in Fig. 6,7,8,9 separately.Left side support wheel oil cylinder 4a and right side support wheel oil cylinder 4b, and the structure of two position two-way valve 8a and 8b is as shown in Figure 3, describes separately.Surge the structure of two-port valve 9a and 9b shown in Fig. 4,5, describe separately.When the plunger 5a of left side oil cylinder 4a is descending, the elongation of the support wheel bar portion in left side, when plunger 4a was up, the support wheel bar portion in left side shortened.The right side is identical.When the support wheel in left side is subjected to because during pressure that car body tilts to cause to the left, two position two-way valve 8a opens; When the support wheel in left side was not subjected to car body pressure, two position two-way valve 8a closed.The right side is identical.As seen by above-mentioned, when motor bike tilted to the left, the support wheel in left side bore a part of car body compression weight, and two position two-way valve 8a opens, and pressure oil enters oil cylinder 4a, and plunger 5a is descending, and car body is set upright in the support wheel bar portion elongation in left side.Meanwhile, the two-port valve 9b that surges opens, and the hydraulic oil among the oil cylinder 4b can return fuel tank through oilhole O and two-port valve 9b, and the support wheel bar portion on right side can shorten.After car body restored balance erectility, the support wheel in left side no longer bore the car body compression weight, and two position two-way valve 8a closes.Car body be tilted to the right the reason that obtains setting upright with above-mentioned be tilted to the left identical.When motorcycle driving arrives the pit part, can make the support wheel on both sides all bear the quite car body compression weight of size, two position two-way valve 8a, 8b are opened, and then will surge two-port valve 9a, 9b open, at this moment the support wheel bar portion of both sides all may shorten, it is oblique that the result is that car body begins to a certain inclination, and at this moment situation about having analyzed with the top is identical.
Fig. 3 has provided the structural representation of the support wheel of band hydraulic ram.Support wheel bar portion is made into a kind of oil pressure cylinder 4 structures that mainly are not used in the support wheel that rises and falls, the plunger 5 of support wheel oil cylinder 4 is made into the axle sleeve shape, at endoporus the plunger mandrel 10 that can slide vertically with the garden revolution is housed, plunger mandrel 10 stretches out from the top of oil cylinder 4.Be manufactured with fuel feed hole P in the upper end centerline, and communicate with the horizontal oilhole D at plunger mandrel 10 middle parts.Fixing support wheel support 11 in the lower end of plunger mandrel 10, at plunger 5 and 11 on support wheel support compression spring 12 is housed, owing on the horizontal oilhole D at the middle part of plunger mandrel 10, be manufactured with shaft shoulder Q, when support wheel 2 is not subjected to thrust, compression spring 12 is pressed in the upper surface of plunger 5 on the lower plane of shaft shoulder Q, the endoporus of plunger 5 has covered horizontal oilhole D, and at this moment hydraulic oil impassabitity fuel feed hole P and horizontal oilhole D enter oil cylinder 4.When two-wheeled motor vehicle banking, when support wheel 2 is subjected to the enough big pressure of car body, support wheel support 11 further compression springs 12, it is up to promote plunger mandrel 10, makes horizontal oilhole D expose the upper surface of plunger 5.At this moment, hydraulic oil just enters oil cylinder 4 by oilhole P and horizontal oilhole D, thereby promotion plunger 5 and plunger mandrel 10 are descending together, makes the elongation of support wheel bar portion.From as can be known above-mentioned, plunger 5, plunger mandrel 10, support wheel support 11 and compression spring 12 have in fact just constituted a two position two-way valve 8.
Fig. 4,5 has provided normally closed two-way pilot operated valve device structural representation.A normally closed hydraulic control two-port valve 9 all is housed on the oil return line of each side support wheel oil pressure cylinder 4, and its pilot piping all is connected on the opposite side support wheel oil cylinder 4.Actual two hydraulic control two-port valves are contained in the valve body 13 of the two-way pilot operated valve device that present embodiment adopts constitutes.This two-way pilot operated valve device fuel feed hole A and left side support wheel oil cylinder 4a UNICOM, fuel feed hole B and right side support wheel oil cylinder 4b UNICOM.Be processed with through hole AB at the center of valve body 13, the through hole middle part is fixed with spring perch 14, and spool 15a and 15b are equipped with in through hole two.The middle part of spool 15a and 15b is manufactured with annular oil groove R.The oil circuit M and the N of valve body 13 internal productions, one head opening part respectively with fuel feed hole A and B UNICOM, the other end opening is in valve body 13 endoporus and oil circuit Oa and Ob and is in respectively in the plane, and becomes 90 with Oa with Ob.The angle.When the pressure oil of oil cylinder 4a entered fuel feed hole A, spool 15a left end pressurized moved to right, and spring 16a is compressed, and oil cylinder 4b oil circuit is connected through circular groove R and the fuel return hole Ob of fuel feed hole B, oil circuit N, spool 15a, and the hydraulic oil in the oil cylinder 4b can flow back to fuel tank.When the hydraulic oil in the oil cylinder 4b entered fuel feed hole B, spool 15b moved to left, and the hydraulic oil in the oil cylinder 4a can flow back to fuel tank.Like this, when two-wheeled motor vehicle is oblique to a certain inclination, the support wheel 2 of this side bears car body part weight and when making this side cylinder 4 enter pressure oil, just with the oil return line UNICOM of opposite side support wheel oil cylinder 4, thereby opposite side support wheel 2 kiss the earths, bar portion can shorten.When two-wheeled motor vehicle travels at pit, may be with the oil return line of the support wheel oil cylinder 4 of both sides UNICOM all, the support wheel bar portion of both sides all shortens, and the front and back wheel that makes two-wheeled motor vehicle is reliable kiss the earth still.
Fig. 6,7,8,9 has provided the structural representation of 8 reversing rotary valves 6.Lifting or falling of support wheel 2 can adopt the left and right sides cylinder oil circuit conversion of rotary valve 6 control oil cylinders 3 to realize.Rotary valve 6 comprises indexing mechanism and the detent mechanism 21 that valve body 17, spool 18, ratchet 19 and ratchet 20 etc. are formed.On valve body 17, be manufactured with fuel feed hole P, fuel return hole O, with oilhole 3 left sides of the left cylinder UNICOM of oil cylinder 3, with oilhole 5 right sides of the right cylinder UNICOM of oil cylinder 3; Be manufactured with 4 well-distributed crescent moon oil groove C on the spool 18, per two relative crescent moon oil groove C have oilhole G or H UNICOM.Chaufeur just affects stay cord 24 to move right by handling stretcher 22 or handgrip switch 23, with rocking bar 25 clickwises, and stirs ratchet 19 by ratchet 20 and turns over 45.Meanwhile, spool 18 also turns over 45, and mechanism 21 location that are positioned.Fig. 8 is the cutaway view by oilhole G line of centers.Pressure oil is through the crescent C of oilhole P, spool 18, the left cylinder that oilhole 3 left sides enter oil cylinder 3.Meanwhile, the hydraulic oil in the right cylinder flows back to fuel tank through crescent C, oilhole H and the oilhole O of oilhole 3 right sides, spool 18, and piston moves to right, and support wheel 2 is fallen.Fig. 9 is that spool 18 turns over behind the 45 cutaway view by oilhole G line of centers.Pressure oil through the P hole, horizontal oilhole G and oilhole 3 right sides enter right cylinder, meanwhile, left cylinder hydraulic oil through oilhole 3 left sides, horizontal oilhole H and oilhole O flow back to fuel tank, piston moves to left, and support wheel 2 is lifted.
Embodiment 2: a kind of two-wheeled motor vehicle bracing or strutting arrangement with pneumatic transmission dynamical equilibrium function.
Figure 10 has provided the pneumatic schematic diagram of pneumatic transmission scheme implementation example.Draw power from motor bike bent axle or other transmission shaft,, drive air compressor 26 work, the delivery pressure air by direct connection or power-transfer clutch connecting mode.Chaufeur is handled the two automatically controlled electromagnetic slide valves 27 of two-position four-way by stretcher 22 or handgrip switch 23 and is realized the conversion of lift cylinder 28 gas circuits, and support wheel 2 is risen or falls.The often-cutting type two position two-way valve 30a and the 30b of left and right sides support wheel cylinder 29a and 29b and control air inlet, the often-cutting type gas control two-port valve 31a and the 31b in the disappointing loop of control, structural principle is similar to the hydrostatic drive scheme.The pneumatic transmission dynamic balancer keeps the upright principle of two-wheeled motor vehicle balance identical with the hydrostatic drive scheme, repeats no more.

Claims (7)

1, a kind of two-wheeled motor vehicle bracing or strutting arrangement.The support wheel jacking system, support wheel homestat and the maneuvering system that comprise the support wheel system, driven by hydraulic pressure, pneumatic, machinery and electrical apparatus mechanism are formed.It is characterized in that: the bar portion of support wheel is made into a kind of clutch release slave cylinder structure, makes two-wheeled motor vehicle can be returned to the balance erectility by the support wheel that bar portion extends when going slowly run-off the straight.
2, bracing or strutting arrangement as claimed in claim 1 is characterized in that: the medium in the support wheel bar portion clutch release slave cylinder is an oil.
3, bracing or strutting arrangement as claimed in claim 1 is characterized in that: the medium in the support wheel bar portion clutch release slave cylinder is an air.
4, as claim 1,2,3 described bracing or strutting arrangements, it is characterized in that: a two position two-way valve is housed on the medium inlet road of support wheel bar portion clutch release slave cylinder, this valve is made of plunger (5), plunger mandrel (10), support wheel support (11) and compression spring (12), and the car body pressure that the dependence support wheel bears opens or closes.
5, as claim 1,2,3 described bracing or strutting arrangements, it is characterized in that: a normally closed hydraulic control or gas control two-port valve are housed on the media outlet of support wheel bar portion clutch release slave cylinder, be connected in the two-port valve on each side support wheel bar portion clutch release slave cylinder media outlet pipeline, its pilot piping all is connected on the opposite side support wheel bar portion clutch release slave cylinder.
6, bracing or strutting arrangement as claimed in claim 1 is characterized in that: the plunger (5) of support wheel bar portion clutch release slave cylinder is made into the axle sleeve shape, and its endoporus is equipped with the plunger mandrel (10) that can slide vertically with the garden revolution.
7, bracing or strutting arrangement as claimed in claim 1 is characterized in that: support wheel can adopt the clubfoot wheel construction, can the go for a stroll castor bar portion swing of clubfoot wheel axis.
CN95115755A 1995-09-19 1995-09-19 two-wheel motorcycle supporting device with dynamic balance function Pending CN1145867A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN95115755A CN1145867A (en) 1995-09-19 1995-09-19 two-wheel motorcycle supporting device with dynamic balance function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN95115755A CN1145867A (en) 1995-09-19 1995-09-19 two-wheel motorcycle supporting device with dynamic balance function

Publications (1)

Publication Number Publication Date
CN1145867A true CN1145867A (en) 1997-03-26

Family

ID=5080647

Family Applications (1)

Application Number Title Priority Date Filing Date
CN95115755A Pending CN1145867A (en) 1995-09-19 1995-09-19 two-wheel motorcycle supporting device with dynamic balance function

Country Status (1)

Country Link
CN (1) CN1145867A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102442367A (en) * 2010-10-09 2012-05-09 连三郎 Motorcycle with automatic lifting auxiliary wheel frames
CN103754291A (en) * 2014-01-28 2014-04-30 上海新世纪机器人有限公司 Pneumatic parking mechanism
CN103963877A (en) * 2013-02-06 2014-08-06 刘胜 Auxiliary balancing mechanism of parallel two-wheeled electric vehicle
CN107054508A (en) * 2017-06-09 2017-08-18 李世荣 A kind of parked automatic supporting mechanism of sulky vehicle deceleration
CN109050492A (en) * 2018-08-02 2018-12-21 泗县伟达农机具有限公司 Electromagnetic type agricultural machinery vehicle stabilizer and the agricultural machinery vehicle for using the stabilizer
CN110104092A (en) * 2019-05-21 2019-08-09 哈尔滨工业大学 A kind of wheel of composite hanger swing arm six walking robot chassis
WO2020192800A1 (en) * 2019-03-22 2020-10-01 甘泉龙 Two-wheeled vehicle self-balancing anti-tilt structure, and two-wheeled vehicle based on anti-tilt structure

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102442367A (en) * 2010-10-09 2012-05-09 连三郎 Motorcycle with automatic lifting auxiliary wheel frames
CN103963877A (en) * 2013-02-06 2014-08-06 刘胜 Auxiliary balancing mechanism of parallel two-wheeled electric vehicle
CN103754291A (en) * 2014-01-28 2014-04-30 上海新世纪机器人有限公司 Pneumatic parking mechanism
CN103754291B (en) * 2014-01-28 2016-05-18 上海新世纪机器人有限公司 Pneumatic halting mechanism
CN107054508A (en) * 2017-06-09 2017-08-18 李世荣 A kind of parked automatic supporting mechanism of sulky vehicle deceleration
CN109050492A (en) * 2018-08-02 2018-12-21 泗县伟达农机具有限公司 Electromagnetic type agricultural machinery vehicle stabilizer and the agricultural machinery vehicle for using the stabilizer
WO2020192800A1 (en) * 2019-03-22 2020-10-01 甘泉龙 Two-wheeled vehicle self-balancing anti-tilt structure, and two-wheeled vehicle based on anti-tilt structure
CN110104092A (en) * 2019-05-21 2019-08-09 哈尔滨工业大学 A kind of wheel of composite hanger swing arm six walking robot chassis

Similar Documents

Publication Publication Date Title
CN102039791B (en) Vehicle body inclination angle adjusting unit, oil-gas suspension mechanism and mobile crane
CN2255941Y (en) two-wheel motorcycle supporting device with dynamic balance function
CN108327498A (en) A kind of high motor platform based on controllable balance swing arm suspension
CN206155260U (en) Articulated two -way driving of formula is from loading and unloading rubber tyer transport vechicle
CN200971628Y (en) Self-lock device for vehicle inclined placed on plate of multi-storey garage
CN1145867A (en) two-wheel motorcycle supporting device with dynamic balance function
CN207551869U (en) A kind of scissors-type aerial work platform
CN108609197B (en) Skid type helicopter ground omnidirectional moving device
CN110497962A (en) A kind of servo integrated electric hydraulic steering system of straddle carrier volume and its control method
CN114458061B (en) Self-propelled environmental protection factory building
CN207106471U (en) Fluid pressure type levelling control system based on mechanical-electrical-hydraulic integration design
CN107264618B (en) A kind of hydraulic system of special trailer
CN206705592U (en) Car body jacking system and jacking system
CN2324033Y (en) Dynamic balance support device for two-wheel motorcycle
CN107539929A (en) A kind of low clearance can integral elevating omnidirectional intelligent family moving platform
CN1019380B (en) Direction-adjustable dip cantilever lifting platform
CN2688579Y (en) Hydraulic dynamic steering apparatus
CN207333363U (en) A kind of hydraulic system of crane
CN101734578A (en) Tilting-type hydraulic elevator
CN2197350Y (en) Lift
CN216331301U (en) Hydraulic regulation and control linkage system for suspension system
CN2725226Y (en) Multifunction translocation device
CN2274185Y (en) Small vehicle-carry-on crane
CN113623295B (en) Distributed hydraulic system applied to railway crossing protective equipment
CN2292701Y (en) Gravity type balancing device for vehicle

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C01 Deemed withdrawal of patent application (patent law 1993)
WD01 Invention patent application deemed withdrawn after publication