CN1190625A - Contact type emergency brake device for car - Google Patents
Contact type emergency brake device for car Download PDFInfo
- Publication number
- CN1190625A CN1190625A CN98104544A CN98104544A CN1190625A CN 1190625 A CN1190625 A CN 1190625A CN 98104544 A CN98104544 A CN 98104544A CN 98104544 A CN98104544 A CN 98104544A CN 1190625 A CN1190625 A CN 1190625A
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- Prior art keywords
- brake
- car
- braking
- vehicle
- ground
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- Regulating Braking Force (AREA)
Abstract
The present invention relates to a kind of contact type emergency brake device for car. It is composed of a holdfast, a brake pendulum arm, brake shoes, friction pieces and brake valve. Said device is installed under the frame of car and controlled by air course, oil way and electric circuit. Through the mechanism the large area of friction surface is made to contact with the ground to achieve the brake aim. Said device can decrease the brake distance while emergency braking, so the running safety of the car is improved.
Description
The present invention plays the device that improves brake efficiency when emergency braking for a kind of automobile.
In the present existing automobile brake technology, be to make wheel and ground friction reach the purpose of braking by certain device control vehicle wheel rotational speed.And in some cases, very fast as the speed of a motor vehicle, load-carrying is big, reaches vehicle when the road traveling in rain, snow sky, and the vehicle braked distance is big, and brake efficiency is low.
The objective of the invention is to:, make a kind of another friction face and ground contact friction device of reaching the braking purpose except that vehicle tyre by mechanism operating for vehicle provides a kind of when the emergency braking.
Technical scheme of the present invention is: will have the friction lining of certain area and rectangle brake shoe brake cheek to rivet together, and can contact better with ground for making friction lining, and adapt to the ground requirement better, its material can adopt the material of similar tire material.And brake shoe brake cheek links to each other with left and right two-system movable pendulum arm by pivot pin, and the two hangs with returning pull-spring.The other end of left and right braking swing arm (is front end with this end) links to each other with left and right two fixed mounts with pivot pin again.Brake cylinder (now adopting the air pressure wheel cylinder, also can adopt as required fluid pressure type or electromagnetic control) is housed on the fixed mount.Expansion link one end of brake cylinder links to each other with the support arm that braking swing arm front end is located after a while, also hang with returning pull-spring between braking swing arm and the fixed mount, in the fixed mount back lower place braking gas lock is housed, the gas circuit of brake cylinder communicates with the braking air receiver behind a brake activation valve and an air circuit breaker.This contrive equipment can be installed on the left and right vehicle frame in automobile axle the place ahead, the back friction face is installed is not less than back axle apart from ground-surface minimum size apart from ground-surface size.This device size can be decided according to the difference of vehicle.Rear-engined vehicle, brake shoe brake cheek also can be one.During emergency braking, by the control brake valve, friction lining is contacted with ground and realize the braking.
The present invention compared with prior art because the frictional area of the friction lining in this device is big, can greatly improve brake efficiency when emergency brake of vehicle, has reduced emergency stopping distance, has improved the driving safety of vehicle.Secondly, this device can also reduce largely owing to emergency brake of vehicle and to the wearing and tearing that tire produces, prolong the service life of tire, has improved economy.Therefore the 3rd, device is installed between left and right the wheel, this just makes vehicle when emergency braking, avoids or reduced the sideslip that vehicle produces because of emergency braking and the generation of sideslip phenomenon.In addition, when this device has guaranteed that also the former brake equipment of contingency lost efficacy for some reason, vehicle can be braked.
Describe details and the service condition that this invents the concrete device that is proposed in detail below in conjunction with accompanying drawing, accompanying drawing installs right half for this reason, left half and its symmetry.
Fig. 1 is the front view of the right side part of contact type emergency brake device for car of the present invention.
Fig. 2 is the birds-eye view of the right side part of contact type emergency brake device for car of the present invention.
As shown in Figure 1, this device comprises fixed mount (1), and what link to each other with pivot pin with fixed mount (1) is braking swing arm (2), and the other end of braking swing arm links to each other with brake shoe brake cheek (6) with pivot pin, and brake shoe brake cheek rivets together with friction lining (7) again.Brake cylinder (3) is housed on the fixed mount, the expansion link of brake cylinder is connected with the braking swing arm, simultaneously, in this fixed mount rear end gas lock (8) is housed, hang with returning pull-spring (4) between fixed mount (1) and the braking swing arm (2), hang with returning pull-spring (5) between braking swing arm and the brake shoe brake cheek, with gas circuit that brake cylinder links to each other on air circuit breaker (9) and brake activation valve (10) are housed.
When vehicle direction running shown in the arrow and when taking emergency braking in Fig. 1, after the person of sailing is stepped on brake pedal certain position, brake activation valve (10) is opened, high pressure gas in the braking air receiver enter gas lock (8) and brake cylinder (3) through gas circuit, gas lock (8) is opened, brake shoe brake cheek (6) is decontroled, brake cylinder this moment (3) just will be braked swing arm (2) and promote along clockwise direction, when with brake shoe brake cheek (6) that braking swing arm rear end links to each other on friction lining (7) be pushed when touching ground, owing to the pulling force that ground-surface antagonistic force makes brake shoe brake cheek (6) just overcome returning pull-spring is opened, the friction lining (7) of its below just contacts preferably with ground, concora crush is in ground, produce friction drag, thereby play the function of braking.After emergency braking is finished, along with chaufeur lifting with brake pedal, brake activation valve (10) is closed air inlet valve, open blow off valve simultaneously, gas in the brake piping is discharged, and brake cylinder (3) and gas lock (8) return original position again, and brake shoe brake cheek (6) and braking swing arm (2) just reset under the effect of returning pull-spring (5) and (4), effect of inertia when reset because of the braking swing arm this moment, braking swing arm rear end is pinned by gas lock.In some cases, in the time of need not using this device, only need be closed the switch in the gas circuit (9) and be got final product.
Be example with the EQ140 lorry now, this device can be installed in the fwd vehicle frame below of the preceding bow hanger of back axle.This device is fixed with rivet or bolt and vehicle frame.The front end of air circuit breaker (9) links to each other with the main brake air receiver, and brake activation valve can be installed in the brake pedal below in the operator's compartment.Size between braking swing arm (2) two axle center holes can be 350mm, and the consistent size of brake shoe brake cheek (6) and friction lining (7) can be 260mm * 200mm * 30mm.Vehicle fully loaded braking swing arm (2) is not when opening, drag friction dough sheet bottom surface and ground-surface distance are 265mm～270mm, this distance is not less than the rear-axle casing lower edge apart from ground-surface distance (this distance is of a size of 265mm), after making vehicle that this device is installed, do not change the original minimum ground clearance parameter of vehicle.When the friction face in this device contacted with the ground compacting, the angle that braking swing arm (2) is turned over was 60 degree～75 degree.When this device uses, the air pressure of air receiver should 4 kgfs/centimetre
2More than.
Claims (1)
- Utilize friction face that leans on mechanism operating except that motor tire and ground direct contact and reach the device of braking purpose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98104544A CN1190625A (en) | 1998-02-10 | 1998-02-10 | Contact type emergency brake device for car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98104544A CN1190625A (en) | 1998-02-10 | 1998-02-10 | Contact type emergency brake device for car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1190625A true CN1190625A (en) | 1998-08-19 |
Family
ID=5218276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98104544A Pending CN1190625A (en) | 1998-02-10 | 1998-02-10 | Contact type emergency brake device for car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1190625A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114148297A (en) * | 2021-11-29 | 2022-03-08 | 李诗艳 | Forced braking device for vehicle |
-
1998
- 1998-02-10 CN CN98104544A patent/CN1190625A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114148297A (en) * | 2021-11-29 | 2022-03-08 | 李诗艳 | Forced braking device for vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |