CN1398746A - Emergency brake for motor vehicle - Google Patents
Emergency brake for motor vehicle Download PDFInfo
- Publication number
- CN1398746A CN1398746A CN 02135396 CN02135396A CN1398746A CN 1398746 A CN1398746 A CN 1398746A CN 02135396 CN02135396 CN 02135396 CN 02135396 A CN02135396 A CN 02135396A CN 1398746 A CN1398746 A CN 1398746A
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- CN
- China
- Prior art keywords
- fixed
- friction shoe
- chassis
- emergency brake
- switch
- 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
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Abstract
An emergency brake for motor vehicle includes friction block, hinge support, and elevating mechanism. The friction block is rectangular steel plate with rubber layer adhered below it, inclined blocking rack fixed on the steel plate and transverse support at the side. The dumper connected to the sahft of the transverse support is fixed to the rear axle or chassis, and induction switch fixed to the chessies has telescopic shaft matching with the friction block to constitute friction suspending lock mechanism. The elevating mechanism consists of a motor fixed the chassis and a pull rope connected to the friction block. The emergency brake increases the friction resistance, maintains the balance of vehicle and shorten brake time during brake by means of the friction block with great contact area to ground.
Description
One, technical field: the present invention relates to a kind of emergency brake for motor vehicle.
Two, background technology: Chinese patent CN2347835Y discloses a kind of emergency brake for motor vehicle, be to fix a brake pump in self-propelled vehicle vehicle bridge or crossbeam position, operating control instruction brake pump, control leg-of-mutton friction object, Mi Shixian emergency brake by the telescopic movable support arm of brake pump.This technology mainly exists one to be that the brake pump control telescope support time is long, incurs loss through delay the brake time; The 2nd, triangle friction object is dead or tire is liftoff with the tire bag easily, causes the vehicle lack of equilibrium, thereby brings out new accident.
Three, summary of the invention: purpose of the present invention is exactly the defective that exists at above-mentioned technology, and a kind of more safe and reliable brake gear is provided.Emergency brake for motor vehicle comprises friction shoe, free bearing body and lifting mechanism composition, and it is characterized in that: friction shoe is a bonding capable rubber layer below rectangular steel plate, is fixed with oblique stop bracket above, and its side crosswise fixed has horizontal support; Horizontal supporting revolving shaft connects bumper, and the other end of bumper is fixed on car back axle or the chassis; Be fixed with inductive switch on chassis, the flexible protruding axle of inductive switch is pegged graft with friction shoe and is cooperated, and forms friction shoe and hangs lockout mechanism; Lifting mechanism is made up of the stay cord that the motor-driven that is fixed on the chassis is connected on the friction shoe.
Such scheme also comprises: horizontal fixed has one group with upper roller on the stop bracket of friction shoe and vehicle tyre faying face.Inductive switch on the chassis is an electromagnetic switch, is fixed with bidirectional switch on brake gear, and one group is connected with electromagnetic switch by the rotating speed inductive switch, and another group is connected with the automatic inductive switch of motor.
Adopt the emergency brake arrangement of technical solution of the present invention, made full use of the increase of friction shoe and ground friction area, thereby increase the friction drag when braking greatly, and slide, keep the balance and stability of vehicle by friction shoe and ground-surface balanced friction.The while electromagnetic switch cooperates with brake pedal, makes friction shoe instant effect under the emergency state, has saved the brake time, the generation of reduction accident.
Four, description of drawings: accompanying drawing is the structural representation of one embodiment of the present invention.
Five, the specific embodiment:
With reference to accompanying drawing, select the steel plate 6 of long 50-100 centimetre, wide 20-50 centimetre according to the width of tire, at the front end of steel plate 6 certain inclination is arranged upwards, the rear end forms certain inclination downwards, is convenient to friction shoe and slides with tire and roll on steel plate 6.Be bonded with rubber layer 7 below the steel plate 6, be fixed with oblique stop bracket 8 above, horizontal fixed has two groups of rollers 9 on stop bracket 8 and vehicle tyre 13 faying faces, and its side crosswise fixed has horizontal support 5.Horizontal support 5 rotating shafts connect bumper 10, and the other end of bumper 10 is fixed on the car back axle 12 (or chassis 2) by fixture block 11.Here bumper 10 has flexible the support and two effects of increase buffering.Near friction shoe chassis 2 on be fixed with electromagnetic switch 3, the flexible protruding axle of electromagnetic switch 3 is pegged graft with friction shoe one skew back face groove and is cooperated (not drawing among the figure), composition friction shoe suspension lockout mechanism (as rim lock).Lifting mechanism is made up of the stay cord 4 that motor 1 driving that is fixed on the chassis 2 is connected on the friction shoe.Be fixed with bidirectional switch K on brake gear (as brake pump), one group is connected with electromagnetic switch 3 by the tachogen switch that is installed on the speed gage, and another group is connected with the automatic inductive switch DK of motor.
At ordinary times, bidirectional switch K and motor 1 circuit are connected, and the automatic inductive switch DK of motor disconnects, and friction shoe is locked on the flexible protruding axle of electromagnetic switch.When emergency brake, when brake pressure arrives to a certain degree and bidirectional switch K have an effect, bidirectional switch K electromagnetic switch 3 circuits are connected.At this moment, when car speed reaches setting value (as 40 kilometers/hour), the tachogen switch connection, (being lower than setting value electromagnetic switch 3 disconnects), flexible protruding axle shrinks under the electromagnetic force effect, and friction shoe falls immediately by action of gravity, and bumper 10 is shunk by the counteraction of friction force simultaneously, after tire 13 contacted, tire rolled on steel plate 6 and tiltedly stop bracket 8 effects.Roller 9 on the stop bracket 8 prevents that effectively tire from climbing over stop bracket 8, and the inertial impact force of vehicle obtains buffering by the balanced friction of rubber layer 7 and ground-surface car, reaches the purpose of emergency brake.After brake was finished, brake pressure reduced, and K switch disconnects with electromagnetic switch 3, connects with motor switch DK, connects motor switch DK, after motor 1 is connected and is driven stay cord 4 friction shoe is risen to latched position, and the automatic inductive switch disconnection of motor.
Claims (3)
1, emergency brake for motor vehicle comprises friction shoe, free bearing body and lifting mechanism composition, and it is characterized in that: friction shoe is bonded with rubber layer below rectangular steel plate, is fixed with oblique stop bracket above, and its side crosswise fixed has horizontal support; Horizontal supporting revolving shaft connects bumper, and the other end of bumper is fixed on car back axle or the chassis; Be fixed with inductive switch on chassis, the flexible protruding axle of inductive switch is pegged graft with friction shoe and is cooperated, and forms friction shoe and hangs lockout mechanism; Lifting mechanism is made up of the stay cord that the motor-driven that is fixed on the chassis is connected on the friction shoe.
2, emergency brake for motor vehicle according to claim 1 is characterized in that: horizontal fixed has one group with upper roller on the stop bracket of friction shoe and vehicle tyre faying face.
3, emergency brake for motor vehicle according to claim 1, it is characterized in that: the inductive switch on the chassis is an electromagnetic switch, be fixed with bidirectional switch on brake gear, one group is connected to electromagnetic switch by the rotating speed inductive switch, and another group is connected with the automatic inductive switch of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02135396 CN1398746A (en) | 2002-08-29 | 2002-08-29 | Emergency brake for motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02135396 CN1398746A (en) | 2002-08-29 | 2002-08-29 | Emergency brake for motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1398746A true CN1398746A (en) | 2003-02-26 |
Family
ID=4748179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02135396 Pending CN1398746A (en) | 2002-08-29 | 2002-08-29 | Emergency brake for motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1398746A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862558A (en) * | 2012-09-20 | 2013-01-09 | 金福根 | Instant braking device used in process of erroneously stepping accelerator or for other car dangers by brake failure and sudden braking as well as sliding |
-
2002
- 2002-08-29 CN CN 02135396 patent/CN1398746A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862558A (en) * | 2012-09-20 | 2013-01-09 | 金福根 | Instant braking device used in process of erroneously stepping accelerator or for other car dangers by brake failure and sudden braking as well as sliding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |