CN201080212Y - Motor vehicle safety auxiliary device - Google Patents
Motor vehicle safety auxiliary device Download PDFInfo
- Publication number
- CN201080212Y CN201080212Y CNU2007200082539U CN200720008253U CN201080212Y CN 201080212 Y CN201080212 Y CN 201080212Y CN U2007200082539 U CNU2007200082539 U CN U2007200082539U CN 200720008253 U CN200720008253 U CN 200720008253U CN 201080212 Y CN201080212 Y CN 201080212Y
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- Prior art keywords
- terminal pad
- chassis
- self
- propelled vehicle
- wheel
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- 239000002828 fuel tank Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 6
- 241000272165 Charadriidae Species 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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Abstract
The utility model provides a motor vehicle safety auxiliary device for ensuring the travel safety of the motor vehicle. The utility model comprises a chassis, and at least two wheel shafts arranged below the chassis in parallel, an auxiliary supporting device is respectively arranged at the transverse sides of at least one wheel shaft, and near to the lower part of the chassis, the auxiliary supporting device comprises a supporting wheel, a supporting rod, a connecting disc, a hydraulic cylinder and a hydraulic control system, wherein, the cylinder body of the hydraulic cylinder is fixedly arranged below the chassis, the connecting disc comprises an upper connecting disc and a lower connecting disc, and a bearing arranged between the upper connecting disc and the lower connecting disc, the valve rod of the hydraulic cylinder is connected with the upper connecting disc, the both ends of the supporting rod are respectively connected with the lower connecting disc and the supporting wheel, and the two oil inlet openings of the hydraulic cylinder are respectively connected with the hydraulic control system. The device is used on the motor vehicle to be in favor of ensuring the travel safety during the driving process of the motor vehicle under the condition of occurring accidents.
Description
Technical field
The utility model relates to a kind of self-propelled vehicle, particularly a kind of self-propelled vehicle safety auxiliary device.
Background technology
Known self-propelled vehicle generally comprises vehicle frame, chassis, train and power system, described chassis is located at wheel and is fastened, vehicle frame and power system are located on the chassis, described train generally comprises the wheel shaft of two horizontal expansions in front and back and is located at the wheel of each axle stub respectively, and described power system drives with at least one wheel shaft and is connected.In the non-artificial traffic accident that self-propelled vehicle takes place, blow out, brake failure, abominable road conditions account for very big ratio, can make cross-up and then cause calamitous traffic accident if when running at high speed, blow out to deal with improperly as automobile; Same, self-propelled vehicle is run at high speed or when brake failure occurring during descending, if the untimely serious consequence of taking effective measure of control also can cause car crash; For abominable road conditions, the situation that the chassis often occurs than the self-propelled vehicle at the end be exactly tire be trapped in cause get stuck in the mud pit or in the turning process because the tire earth-grasping force causes defective steering stabilizer even rollover inadequately.
Summary of the invention
The purpose of this utility model provides a kind of self-propelled vehicle safety auxiliary device that ensures self-propelled vehicle driving safety.
The technical scheme that the utility model adopted is such: a kind of self-propelled vehicle safety auxiliary device, comprise that the chassis reaches at least two wheel shafts being located at the below, chassis side by side, below, described chassis is respectively equipped with an auxiliary support apparatus near the both lateral sides of at least one wheel shaft, described auxiliary support apparatus comprises support wheel, strut bar, terminal pad, hydraulic actuating cylinder and hydraulic control system, the cylinder body of described hydraulic actuating cylinder is fixedly arranged on the below, chassis, terminal pad comprises terminal pad, following terminal pad and be located at terminal pad and following terminal pad between bearing, the valve rod of described hydraulic actuating cylinder is connected with last terminal pad, the two ends of strut bar are connected with following terminal pad and support wheel respectively, and two oil inlets of described hydraulic actuating cylinder are connected with hydraulic control system respectively.
Above-mentioned self-propelled vehicle safety auxiliary device, described strut bar is provided with gear, and the bearing circle mouth of described gear and self-propelled vehicle is in transmission connection.
Above-mentioned self-propelled vehicle safety auxiliary device is provided with brake equipment between described support wheel and the strut bar.
Above-mentioned self-propelled vehicle safety auxiliary device, described hydraulic control system comprises fuel tank, HM Hydraulic Motor, proportional pressure control valve, three position four-way electromagnetic valve, the import of described HM Hydraulic Motor is connected with fuel tank and three position four-way electromagnetic valve oil inlet respectively with outlet, two oil outlets of three position four-way electromagnetic valve are connected with two oil inlets of hydraulic actuating cylinder respectively, and described proportional pressure control valve is located between HM Hydraulic Motor outlet and the fuel tank.
By adopting the aforementioned techniques scheme, of the present utility model have a following advantage:
1, make the distance that the support wheel built on stilts is less by hydraulic actuating cylinder, when self-propelled vehicle was blown out in running at high speed like this, support wheel can enter mode of operation rapidly, guaranteed traffic safety;
2, the support wheel of great friction coefficient participates in braking during emergency braking, and independently brake system can independent brake when former brake system failure, increases the safety of self-propelled vehicle;
3, support wheel can increase the ground ability of grabbing of self-propelled vehicle, when motor-driven vehicle going during in wet and slippery road surface, mountain highway the higher ground ability of grabbing help traffic safety;
4, can increase with the support wheel of bearing circle interlock and turn to reliability, prevent to break away when self-propelled vehicle from turning or rollover.
5, support wheel can substitute wheel the short time self-propelled vehicle is sailed out of A-road to repair location, and the liftable wheel that sinks into to cheat in the hole.
Description of drawings
Fig. 1 is the cutaway view of embodiment;
Fig. 2 is the hydraulic system principle figure of embodiment;
Fig. 3 is the braking procedure scheme drawing of embodiment;
The specific embodiment
With reference to figure 1, embodiment discloses a kind of self-propelled vehicle safety auxiliary device, comprise that chassis 1 reaches two wheel shaft (not shown)s being located at 1 below, chassis side by side, here be defined as front wheel spindle and hind axle, 1 below, described chassis is respectively equipped with an auxiliary support apparatus near the both lateral sides of described front wheel spindle and hind axle, described each auxiliary support apparatus comprises support wheel 2, strut bar 3, terminal pad 4, steering gear 5, hydraulic actuating cylinder 6 and hydraulic control system 7, the cylinder body 61 of described hydraulic actuating cylinder 6 is fixedly arranged on 1 below, chassis, also be provided with brace panel 63 to gain in strength between cylinder body 61 and the chassis 1, the outside of hydraulic actuating cylinder 6 is provided with inductance approach switch 64, send one after the electric control system calculation process of this inductance approach switch 64 by self-propelled vehicle and carry out signal to hydraulic control system 7, described terminal pad 4 comprises terminal pad 41, following terminal pad 42 and be located at terminal pad 41 and following terminal pad 42 between ball bearing of main shaft 43, valve rod 62 ends of described hydraulic actuating cylinder 6 are connected with last terminal pad 41, among the embodiment, be provided with polylith cushion block 65 between described valve rod 62 and the last terminal pad 41, described cushion block 65 is used for accepting the downward pressure in chassis 1 when support wheel 2 travels as BOGEY WHEEL, carry thereby can let out, to prolong the service life of hydraulic actuating cylinder 6 pressure in the hydraulic actuating cylinder 6.Strut bar 3 one ends are connected with following terminal pad 42; the other end of strut bar 3 is provided with jag; described support wheel 2 is located at strut bar 3 ends rotationally by this jag; described terminal pad 4 outsides are provided with protection sleeve 44; in being coated on terminal pad 4 and part valve rod 62, part strut bar 3, protection sleeve 44 prevents that it from cross travel taking place; described adapter sleeve 4 not only plays a part stressed transmission, and strut bar 3 can provide possibility with respect to the direction control that valve rod 62 rotates to support wheel 2.For near the safe auxiliary device the front wheel spindle both sides; described chassis 1 is provided with square hole and turns to outer bar 11; described square hole turns to outer bar 11 to be located at rotationally on the chassis 1 by bearing 12 and bearing 14; described square hole turns to outer bar 11 middle parts to be provided with the square hole that extends along its length; one square deflecting bar 15 is sheathed on this square hole slidably and turns in the square hole of outer bar 11; the other end of square deflecting bar 15 is located at steering box 17 inboards rotationally by bearing 16, and described steering box 17 is fixedly arranged on protection sleeve 44 outsides.Square hole turns to outer bar 11 tops to be provided with gear 13, described gear 13 is in transmission connection with motor vehicle steering wheel by the Linkage steering 18 that is provided with tooth bar, the lower end of square deflecting bar 15 is provided with gear 19, steering gear 5 is located on the strut bar 3, and described gear 19 drives steering gear 5 and then drives support wheel 2 and rotates.For near the safe auxiliary device the forward and backward wheel shaft both sides, be provided with the brake equipment (not shown) between described support wheel 2 and the strut bar 3, described brake equipment can adopt any known vehicle braking device, as long as do corresponding change with regard to its size.
With reference to figure 2, described hydraulic control system 7 comprises fuel tank 71, HM Hydraulic Motor 72, proportional pressure control valve 73 and three position four-way electromagnetic valve 74, the import of described HM Hydraulic Motor 72 is connected with fuel tank 71 and three position four-way electromagnetic valve 74 oil inlets respectively with outlet, two oil outlets of three position four-way electromagnetic valve 74 are connected with two oil inlets of hydraulic actuating cylinder 6 respectively, described proportional pressure control valve 73 is located between HM Hydraulic Motor 72 outlets and the fuel tank 71, and two coils of described three position four-way electromagnetic valve 74 are electrically connected with the electric control system of self-propelled vehicle respectively.
The self-propelled vehicle that is provided with aforementioned safe auxiliary device when in use, before driving, adjust the position of inductance approach switch 64 on hydraulic actuating cylinder 6 cylinder bodies 61 lateral walls according to road conditions, regulate the pressure of proportional pressure control valve 73 simultaneously according to the load-carrying situation of self-propelled vehicle, this pressure generally is not more than the pressure that wheel bore of corresponding that side in chassis 1, and support wheel 2 is stressed excessive when avoiding hydraulic control system 7 work.Hand starting HM Hydraulic Motor 72, connect the electric control system of self-propelled vehicle simultaneously, the three position four-way electromagnetic valve 74 left side coils that are electrically connected with this electric control system get, with reference to figure 1, Fig. 2, at this moment, three position four-way electromagnetic valve 74 spools move to left, oil inlet 611 oil-feeds of hydraulic actuating cylinder 6, oil inlet 612 oil extractions of hydraulic actuating cylinder 6, support wheel 2 is built on stilts under the drive of strut bar 3, when the valve rod 62 of hydraulic actuating cylinder 6 rose to the position of setting, inductance approach switch 64 sent an electrical signal to electric control system, and the latter sends one and carries out signal after calculation process, the coil losing electricity of three position four-way electromagnetic valve 74, valve rod 62 is in the lock state, and at this moment, chaufeur can drive to have set out on a journey.
With reference to figure 3, in the vehicle ' process, need slight glancing impact, brake pedal moves between 0-P, and have only original brake system of self-propelled vehicle to brake this moment, and support wheel 2 does not participate in braking; When needs further strengthen brake measure, brake pedal is displaced downwardly to the Q point, connect with the travel switch and the circuit a of brake pedal interlock, with reference to figure 2, this moment, three position four-way electromagnetic valve 74 right side coils got, spool moves to right, oil inlet 612 oil-feeds of hydraulic actuating cylinder 6, oil inlet 611 oil extractions, support wheel 2 is displaced downwardly to the road surface and contacts, the support wheel 2 participation brakings of brake equipment (not shown) are housed at this moment.When loosen the brake is located between the P-Q, three position four-way electromagnetic valve 74 dead electricity, valve core reset, hydraulic actuating cylinder 6 participates in braking with constant compression force.When brake pedal turned back between the O-P, travel switch and circuit b connected, and at this moment, three position four-way electromagnetic valve 74 left side coils get electric, and spool moves to left, and support wheel 2 is moved apart the road surface and gets back to armed state, thus a complete braking procedure.
When the aforementioned motor-driven vehicle going that is provided with safe auxiliary device during in smooth road surface, inductance approach switch 64 can be adjusted to lower position, make support wheel 2 and road surface keep less distance, like this when occurring blowing out in the driving process, support wheel 2 can land at once and support chassis 1, makes navigating mate rest in safety zone to car at leisure and changes spare tyre.Preferably, described support wheel 2 adopts soft hot melt tire, because the friction coefficient of soft hot melt tire is up to 0.95, with respect to the friction system of general tire 0.7, effect is more obvious when emergency braking.Certainly, because the support wheel of embodiment can rise or put down as required in due course, therefore when some other special occasion such as tire locking, support wheel can guarantee the vehicle body balance; The support wheel that is provided with steering hardware can increase self-propelled vehicle and grab the ground ability when turning to, take place when preventing to turn to break away or rollover; Simultaneously support wheel can be used to lift vehicle body and sail out of when the collapsible wheel of the same side is in the mud pit, has cross-country function.
Claims (4)
1. self-propelled vehicle safety auxiliary device, comprise that the chassis reaches at least two wheel shafts being located at the below, chassis side by side, it is characterized in that: below, described chassis is respectively equipped with an auxiliary support apparatus near the both lateral sides of at least one wheel shaft, described auxiliary support apparatus comprises support wheel, strut bar, terminal pad, hydraulic actuating cylinder and hydraulic control system, the cylinder body of described hydraulic actuating cylinder is fixedly arranged on the below, chassis, terminal pad comprises terminal pad, following terminal pad and be located at terminal pad and following terminal pad between bearing, the valve rod of described hydraulic actuating cylinder is connected with last terminal pad, the two ends of strut bar are connected with following terminal pad and support wheel respectively, and two oil inlets of described hydraulic actuating cylinder are connected with hydraulic control system respectively.
2. self-propelled vehicle safety auxiliary device according to claim 1, it is characterized in that: described strut bar is provided with gear, and the bearing circle mouth of described gear and self-propelled vehicle is in transmission connection.
3. self-propelled vehicle safety auxiliary device according to claim 1 and 2 is characterized in that: be provided with brake equipment between described support wheel and the strut bar.
4. self-propelled vehicle safety auxiliary device according to claim 1, it is characterized in that: described hydraulic control system comprises fuel tank, HM Hydraulic Motor, proportional pressure control valve, three position four-way electromagnetic valve, the import of described HM Hydraulic Motor is connected with fuel tank and three position four-way electromagnetic valve oil inlet respectively with outlet, two oil outlets of three position four-way electromagnetic valve are connected with two oil inlets of hydraulic actuating cylinder respectively, and described proportional pressure control valve is located between HM Hydraulic Motor outlet and the fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200082539U CN201080212Y (en) | 2007-09-12 | 2007-09-12 | Motor vehicle safety auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200082539U CN201080212Y (en) | 2007-09-12 | 2007-09-12 | Motor vehicle safety auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201080212Y true CN201080212Y (en) | 2008-07-02 |
Family
ID=39613892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200082539U Expired - Fee Related CN201080212Y (en) | 2007-09-12 | 2007-09-12 | Motor vehicle safety auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201080212Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111038456A (en) * | 2019-11-21 | 2020-04-21 | 常熟理工学院 | Multifunctional auxiliary wheel mechanism for emergency braking of passenger vehicle and control method thereof |
| CN111331573A (en) * | 2020-04-09 | 2020-06-26 | 浦江宿立机械科技有限公司 | Manipulator mobile device |
| CN112722074A (en) * | 2021-01-29 | 2021-04-30 | 常熟理工学院 | Automobile static turning device and control method thereof |
-
2007
- 2007-09-12 CN CNU2007200082539U patent/CN201080212Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111038456A (en) * | 2019-11-21 | 2020-04-21 | 常熟理工学院 | Multifunctional auxiliary wheel mechanism for emergency braking of passenger vehicle and control method thereof |
| CN111331573A (en) * | 2020-04-09 | 2020-06-26 | 浦江宿立机械科技有限公司 | Manipulator mobile device |
| CN112722074A (en) * | 2021-01-29 | 2021-04-30 | 常熟理工学院 | Automobile static turning device and control method thereof |
| CN112722074B (en) * | 2021-01-29 | 2022-04-26 | 常熟理工学院 | Automobile static turning device and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080702 |