CN2234387Y - In-situ returning device for car - Google Patents
In-situ returning device for car Download PDFInfo
- Publication number
- CN2234387Y CN2234387Y CN 95210901 CN95210901U CN2234387Y CN 2234387 Y CN2234387 Y CN 2234387Y CN 95210901 CN95210901 CN 95210901 CN 95210901 U CN95210901 U CN 95210901U CN 2234387 Y CN2234387 Y CN 2234387Y
- Authority
- CN
- China
- Prior art keywords
- wheel
- automobile
- guide wheel
- brake
- wheel mechanism
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model belongs to the technical field of a vehicle brake control system, particularly a device for turning vehicles at a staying place. The utility model is composed of a pair of universal guide wheel mechanisms with a lifting barrel, a control system of the pair of universal guide wheel mechanisms with a lifting barrel, and a control device of a rear shaft wheel brake, wherein, the guide wheel mechanisms are installed below an automobile front shaft, and on the inner sides of a left front wheel and a right front wheel. The single brake of a left wheel and a right wheel of a rear shaft is realized in the mode that the original three-way pipe joint is replaced by a multifunctional electromagnetic three-way valve. When automobiles are blocked to queue, a rear wheel on one side is braked, and the other rear wheel drives an automobile to turn under the lifting guide of guide wheel mechanisms of front shafts. Then, turning vehicles at a staying place is realized.
Description
The utility model belongs to the technical field of vehicle braking control system, relates to a kind of automobile pivot turn device.Automobile is loaded onto this device and just can be reversed end for end to roll away from from the car team of road traffic congestion queuing.
Along with rapid development of national economy, automobile quantity surge and needs are unable to catch up with in the road traffic facility construction for the moment, so the traffic vehicle latch up phenomenon of being obstructed appears on urban highway and highway often.In case automobile enters in the ranks of queuing, and is often in a dilemma.Want automobile and shift out the queuing ranks, tune is changed its course and also is difficult to achieve one's goal.Because the existing steering hardware of automobile can't make automobile with very little radius of turn pivot turn.
The utility model purpose is to propose a kind of automobile pivot turn device of mainly being made up of universal guide wheel mechanism (calling guide wheel mechanism in the following text) and drg, and it can make automobile shift out and realize pivot turn from the car team of queuing.
The utility model is realized by following technical proposals.One guide wheel mechanism (1) is installed below the front axle of automobile, during pivot stud the single wheel of rear axle is braked, be brake wheel (2), utilize the opposite side wheel, be that drive wheel (3) drives automobile, make the revolution of its earth point that centers on the wheel that is braked and realize that pivot stud makes automobile shift out the car team of queuing.
Design of the present utility model make during based on motor turning its front-end and back-end forward and the distance that backward scans out (D) for the shortest, such cast just might make the front-and-rear vehicle distance (d of automobile from minimum
1) the queuing car team in shift out.
The technical measures of the utility model in order to realize that above-mentioned motion is taked, be that the left and right wheels inboard is installed one group of guide wheel mechanism (1) that has hydraulic lifting tube (5) respectively below automobile front axle, the alighting gear of similar aircraft, the time spent is not packed up this mechanism, be fixed on under-vehicle, during use it put down.Then, by being installed in manual (or electronic) Hydraulic Pump in the operator's compartment, make it with front axle jack-up to lifting tube (5) pump oil.About two work simultaneously, left and right sides guide wheel mechanism (1) is just supporting the weight of front axle like this, and has replaced the effect of front-wheel.
Guide wheel mechanism (1) decapacitation freely outside ground surface, can also be played the servo-actuated directional tagging, because of its core wheel departs from lifting tube (5) line of centers certain distance.Like this when work under the rolling resistance effect, roller (12) just around the line of centers revolution of lifting tube (5), plays the servo-actuated directional tagging.
The independent brake of rear axle left and right wheels is to realize like this.Multifunction electromagnetic triple valve (6) on the tee connection place on original brake piping of rear axle changes the outfit.This valve can make the master brake cylinder (7) (or brake activation valve) on the former car connect to keep the running brake performance of former car with the wheel cylinder (8) (or compressed air brake cylinder) of left and right wheels drg.This valve also can make master cylinder (7) connect and realize independent brake to revolver or right wheel respectively with the wheel cylinder (8) of revolver or right wheel.At this moment still use the brake pedal of running brake to carry out wheel braking, need not establish special mechanism in addition.
The driving of the monolateral wheel of trailing wheel is finished by Hind axle drive device and diff.After power is imported from main biography device, just it is distributed to left and right sidesing driving wheel fifty-fifty by diff.At this moment single wheel (2) is braked and can not rotates, because the differential action of differentiator itself, the opposite side wheel still can rotate and outputting power.At this moment this wheel just plays the effect of drive wheel (3), orders about automobile and makes gyroscopic movement around offside brake wheel (2) earth point.Utilize reverse gear in the change-speed box also can change the gyroscopic movement direction of automobile.Operation when all operation is travelled with former car starting is identical.
After automobile has been finished required revolution action, can make lifting tube (5) release that front-wheel is landed by operating hydraulically operated pump, and utilization is installed in the ratchet device in the operator's compartment, by steel wire rope (13) (during use it being put down) packed up and fixed to guide wheel mechanism (1), or manually guide wheel mechanism (1) is packed up and fixed in the car external application.On the other hand, connect the pipeline of master cylinder (7) and left and right sides wheel cylinder, make it be in original running condition by handling electromagnetic valve (6) control button.
The beneficial effects of the utility model and advantage are as long as a pair of guide wheel mechanism and simple maneuvering system are installed on the automobile, and in former car brake actuating system, change the purpose that a multifunction electromagnetic triple valve just can reach the automobile pivot turn, reequip easy, cheap, easy to use, have bigger social benefit.
The work scheme drawing of Fig. 1 automobile pivot turn device;
The scheme of installation of Fig. 2 guide wheel mechanism below automobile front axle;
Fig. 3 guide wheel mechanism working state schematic representation;
Fig. 4 automobile brake hydraulic pipe road scheme drawing.
Further specify a preferred embodiment of the present utility model in conjunction with above-mentioned each accompanying drawing now.The utility model mainly is made up of a pair of guide wheel mechanism and control setup thereof and arrester control device.The automobile of present general applications is (with the left-hand rotation is example, also turns right together) when it is turned with minimum turning circle diameter, and the radius of turn of its front body overhang outermost end is R
MinFor making automobile roll the parking ranks away from, at this moment front-and-rear vehicle distance D must be greater than d.But during utilization the utility model device, the left rear wheel of automobile (2) is braked, and drives automobile around O with off hind wheel (3)
1The point revolution, radius of turn at this moment is R
1, the ultimate range of its front overhang outermost point reach when revolution only is d
1, be far smaller than d.And d
1Very little, therefore when front spacing D is less than normal, also some distances of back of automobile can be shifted out car team with car then.Fig. 2 shows that guide wheel mechanism (1) is installed in the inner side of front axle below, left and right sides front-wheel.State when Fig. 3 is its work.Guide wheel mechanism (1) is fixed on the front axle below by its base (9), and wheel frame (10) upper end is connected with base.Wheel frame (10) is made up of the lifting tube (5) on top and the turning rolls (11) of bottom, and the latter can freely rotate with respect to the former.Roller (12) is installed on the turning rolls (11).One end of steel wire rope (13) is fixed on the rolling frame (11), and other end ratchet device (17) and the joystick (18) interior with being installed in operator's compartment is connected, and makes guide wheel can put down, pack up or be fixed on the front axle.Ratchet device (17) can adopt and the identical pattern of JN150 automobile hand brake ratchet device, can utilize its oil pump to the automobile of hydraulic power steering.The fluid of Hydraulic Pump is pressed into lifting tube (5) and rework solution press pump by oil pipe (14).Fig. 4 shows the pipeline of automobile brake (is example with hydraulic pressure).When stepping on service braking pedal, formulate master cylinder (7) and just braking liquid is pressed into brake wheel cylinder (8) through oil pipe (14) and (15) with tee connection respectively, make car side brake produce brake action.This device also is applicable to air pressure.The three-way pipe of front-wheel (16) joint is not changed, and only changes trailing wheel into multifunction electromagnetic triple valve (6).When using this device, a certain sidecar wheel of front axle left and right wheels and rear axle is braked simultaneously, but owing to front axle pushes up overhead, so front wheel brake does not influence the gyroscopic movement of automobile.
Claims (4)
1, a kind of device of automobile pivot turn, it is characterized in that this device comprises a pair of universal guide wheel mechanism of lifting tube and the control setup and the control setup that adopts the rear axle car side brake of multi-functional three-way magnetic valve that this guide wheel mechanism can be put down, packs up and fixed by steel wire rope of having of front axle.
2,, it is characterized in that guide wheel mechanism is fixed on front axle below, the inboard of left and right sides front-wheel by its base according to the device of the said automobile pivot turn of claim 1.
3, according to the device of claim 1 or 2 said automobile pivot turns, it is characterized in that guide wheel mechanism is provided with lifting tube and the coupled turning rolls that can freely rotate, steel wire rope one end is connected in turning rolls.
4, according to the device of the said automobile pivot turn of claim 3, it is characterized in that steel wire rope one end is connected on the turning rolls, other end ratchet device and the joystick interior with being installed in operator's compartment is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95210901 CN2234387Y (en) | 1995-05-15 | 1995-05-15 | In-situ returning device for car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95210901 CN2234387Y (en) | 1995-05-15 | 1995-05-15 | In-situ returning device for car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2234387Y true CN2234387Y (en) | 1996-09-04 |
Family
ID=33861499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95210901 Expired - Fee Related CN2234387Y (en) | 1995-05-15 | 1995-05-15 | In-situ returning device for car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2234387Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011000215A1 (en) * | 2009-07-03 | 2011-01-06 | Ge Yefan | Brake system with small turning radius |
| CN102120448A (en) * | 2011-03-02 | 2011-07-13 | 王昌林 | Vehicle driving wheel unilateral brake assisted steering method |
| CN108263354A (en) * | 2018-01-24 | 2018-07-10 | 何镜连 | Car parking auxiliary system |
| CN108688626A (en) * | 2017-04-07 | 2018-10-23 | 山东华宇工学院 | Non-steering wheels traverse displacement unit is controlled electronically in car |
-
1995
- 1995-05-15 CN CN 95210901 patent/CN2234387Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011000215A1 (en) * | 2009-07-03 | 2011-01-06 | Ge Yefan | Brake system with small turning radius |
| CN102120448A (en) * | 2011-03-02 | 2011-07-13 | 王昌林 | Vehicle driving wheel unilateral brake assisted steering method |
| CN108688626A (en) * | 2017-04-07 | 2018-10-23 | 山东华宇工学院 | Non-steering wheels traverse displacement unit is controlled electronically in car |
| CN108263354A (en) * | 2018-01-24 | 2018-07-10 | 何镜连 | Car parking auxiliary system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208053317U (en) | A kind of intelligent automobile | |
| CN103407449A (en) | Hydraulic auxiliary driving and braking system and control method thereof | |
| CN101224861B (en) | Static hydraulic driven big-tonnage hinged -frame all-terrain container fork lift | |
| CN1903695A (en) | Semitrailer self walking type automobile crane | |
| CN2234387Y (en) | In-situ returning device for car | |
| CN203439027U (en) | Hydraulic auxiliary drive and brake system | |
| CN201272330Y (en) | Traversing apparatus of motor vehicle | |
| CN106740741A (en) | A kind of vehicle displacement device | |
| CN2037708U (en) | Increased hydraulically-hoisting universal-wheel steering mechanism for an autombile | |
| CN201169518Y (en) | Large tonnage pivotally-connected frame full road surface container forklifts of static pressure transmission | |
| CN2696973Y (en) | Beach vehicle | |
| CN2813436Y (en) | Cycles mounted with balance device | |
| CN2815769Y (en) | Self-propelled concrete arm support pump | |
| CN2288896Y (en) | Four-wheel synchronous steering mechanism for electric balancing weight type fork truck | |
| CN2754969Y (en) | Brake steering device | |
| CN212742101U (en) | Small roller road roller | |
| CN102923112B (en) | Long head 4 wheel driven engineering truck | |
| CN2506482Y (en) | Single track working vehicle | |
| CN211075953U (en) | Electric carrier with improved power structure | |
| CN211995934U (en) | Towed concrete pump truck | |
| CN2346620Y (en) | Small rear-driving transporting tractor | |
| CN2743470Y (en) | Horizontal transportation car for carport | |
| CN109398006B (en) | Railway bogie driving system | |
| CN206456348U (en) | A kind of vehicle displacement device | |
| CN202785494U (en) | Ordinary truck with forklift mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |