CN86204243U - Safe reserve brake device for vehicle - Google Patents
Safe reserve brake device for vehicle Download PDFInfo
- Publication number
- CN86204243U CN86204243U CN 86204243 CN86204243U CN86204243U CN 86204243 U CN86204243 U CN 86204243U CN 86204243 CN86204243 CN 86204243 CN 86204243 U CN86204243 U CN 86204243U CN 86204243 U CN86204243 U CN 86204243U
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- China
- Prior art keywords
- brake
- braking
- group
- wheel
- transmission device
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- 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 - Lifetime
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Abstract
The utility model relates to a safe reserve brake device for vehicles, which is a reserve brake device when a pneumatic brake system is in failure, and is composed of a hydraulic brake transmission mechanism, a wheel brake, and a handbrake. A T-shaped brake arm is added in order to hierarchically control a gas and liquid brake system; a back wheel is also additionally provided with a brake branch pump externally arranged, and an additional device of the wheel brake. The utility model is arranged on vehicles with air brake systems to increase the driving safety of the vehicles; at the time of braking, drivers can unceasingly control the rotation of the front wheel to eliminate the braking deviation.
Description
The utility model belongs to brake device for car, reserve brake equipment when malfunctioning especially for Pneumatic braking system.
Autotruck adopts the pneumatic brake system, can make the automobile in travelling reduce the speed of a motor vehicle or parking, and lower long slope can keep certain speed again.But this system architecture complexity, for the automobile of long-distance running or lower long slope, because of some parts damages suddenly, traffic accident takes place in the low and brake failure of no air pressure or air pressure.When adopting emergency braking, often because of front and back wheel locking simultaneously, front-wheel get out of hand steering-effecting.Because of about two front wheel brake friction force do not wait the road pavement braking force different yet, also the most serious to the influence of automobile brake sideslip.
The purpose of this utility model is not change the moving usefulness of automobile Primordial Qi compacting, adopts structure simpler, can obtain the hydraulic brake system of big braking force again, as the safe reserve brake equipment when malfunctioning to air braking system.
This device by the braking transmission device, car side brake, hand brake is formed.Brake transmission device by brake pedal (1), hydraulic braking pump (4), compositions such as oil pipe.Be characterized in: for energy while step control air brake valve and hydraulic braking master cylinder, be provided with T shape brake control lever (2),, be provided with a pair of peripheral hardware brake cylinder (6) for the braking driving force being passed to car side brake.
This device has also increased a vacuum intensifier (5), as hydraulicdriven auxiliary augmenter.The vacuum intensifier air chamber communicates with engine intake manifold, when engine operation, utilizes the partial vacuum of induction maniflod, produces draught head and promotes the pressurizing cylinder piston, and the low pressure oil hydraulic coupling that master cylinder (4) is come out increases the bigger braking force of generation.
Car side brake is by back-plate (12), brake wheel (17), and brake shoe brake cheek (13), cam compositions such as (18) is characterized in having the car side brake additional device.
Former car side brake adopts the braking drum-type more, the utility model does not change the integrally-built performance of former car side brake, increased by a cover wheel drg additional device (Fig. 4), when former braking transmission device malfunctioning, when brake shoe expander pushes away not open brake shoe brake cheek, this additional device can be braked under the driving force effect in reserve, makes shoes press to brake wheel once more and produces drag friction power.
The former car of hand brake (7) is the disc type brake transmission shaft, can repack common small-sized drum brake mechanism with brake cylinder into, utilizes parking brake playing the role of positioning equally.On the other hand, when reserve braking transmission device started, brake cylinder work promoted the braking shoes and presses to brake wheel, and the braking vehicle transmission shaft has increased brake efficiency.
This reserve brake equipment working process following (Fig. 1): before chaufeur is promptly stepped on brake pedal during 1/2 stroke, T shape brake control lever (2) is long-armed to move down around axle, galianconism top drives pull bar and opens the air brake valve switch, when not reducing yet as the speed of a motor vehicle, chaufeur recognizes that air braking system may be malfunctioning, continue to depress brake pedal, back 1/2 pedal stroke makes T shape brake control lever galianconism lower link promote master cylinder (4) piston, low pressure oil hydraulic pressure goes out master cylinder (4), flow into vacuum intensifier pressurizing cylinder (5) along oil pipe, start the blwr supercharging, high-voltage oil liquid is pressed to a pair of peripheral hardware wheel cylinder of trailing wheel (6) through pipeline, promote two-way operation cylinder (8) inner carrier, piston push arm (9) is pushed open to both sides, driving force is passed to (wheel additional device).Switch-plate shaft (15A) and group angle of plate (15) rotation are stirred the braking afterburning pin of shoes (16), make brake shoe brake cheek press to brake wheel, thus generation wheel reserve drag friction power.The hand brake wheel cylinder also produces drag friction power, the braking vehicle transmission shaft under high-voltage oil liquid promotes simultaneously.
Below introduced this device performance on the whole, its substantive features that have are: the braking transmission device has T shape brake control lever (Fig. 2) and realizes controlling simultaneously former air brake valve and master brake cylinder, T shape brake control lever (2) is long-armed to have axis hole with the galianconism connecting portion, in order to pivot shaft to be installed.
The automobile axle left and right wheels respectively increases a peripheral hardware brake cylinder (Fig. 3), cam sleeve and fixed support combine as a whole (11), wheel cylinder is fixed on car side brake back-plate (12) outside, clutch release slave cylinder (8) adopts reversible, the piston jacking block connects piston push arm (9), piston push arm butt end has spline, in order to be connected and fixed the bevelled splined end of switch-plate shaft (15A).The fixed support two ends are fixed with pillar stiffener respectively, and the thin end of pair of pistons push arm is connected by pull back spring (10), and its effect is to increase piston return strength.
Each rear wheel brake additional device of automobile includes: a pair of switch-plate shaft cover (14), a pair of group of plate (15) and switch-plate shaft (15A), the afterburning pin of a pair of braking shoes (16).Near back-plate (12) camshaft hole, have the hole, garden of two diameter 30mm, switch-plate shaft cover (14) is installed, switch-plate shaft is whole with dialling the plate connection, has the taper spline at the switch-plate shaft other end, can be installed in the spline of piston push arm, when the piston push arm moves, drive the switch-plate shaft rotation.In the middle of braking shoes upper end, have hole, a diameter 16mm garden and install and fix afterburning pin (16).
This device is installed on the vehicle with Pneumatic braking system, and it is simple in structure, can further increase ride safety of automobile.Because this device braking vehicle trailing wheel and transmission shaft, chaufeur can continue to control front-wheel steering.Eliminated mainly and do not waited the sideslip that produces because of the front wheel brake friction force.The peripheral hardware brake cylinder, easy to maintenance, can also prevent the oil leaking pollution brake strip.(3-4.5kg/cm when air tank only reaches regulation air pressure
2), automobile just can travel, because this device is when automobile one starts, vacuum intensifier just is in the state of waiting for the generation high-voltage oil liquid, and automobile can travel at a slow speed, makes air tank reach the regulation atmospheric pressure value.Increase operating range, reduced the consumption of fuel oil.
Implementing to install the utility model typical automotive is liberation CA10B, keeps former brake pedal, will move 20cm behind the former braking connecting lever anchor shaft, and the T shape brake control lever of this device is installed.As required, with NJ130 type master brake cylinder, 66-IV type vacuum intensifier is installed on the appropriate location, vehicle frame left side, T shape brake control lever and brake activation valve then is installed, the pipe link of master brake cylinder.Adjust pedal stroke, preceding 1/2 stroke makes air brake valve control air pressure reach maximum gas pressure gradually, and after back 1/2 stroke finished, the total pump piston stroke should be maximum.Be connected vacuum intensifier oil outlet and NJ130 type brake cylinder with the part sebific duct with metal oil conduit, adjust the piston push arm, switch-plate shaft and group plate make its group plate near the afterburning pin of braking shoes, but not afterburning.Under the effect of reserve braking driving force, dial plate and should stir afterburning pin at once, make shoes press to brake wheel.After liberation CA10B installed this device, through test, when the empty wagons speed of a motor vehicle was 20 kilometers/hour, this device stopping distance was 3.9 meters.
Description of drawings:
Accompanying drawing 1. reserve brake equipment scheme drawings
1. brake pedal 2.T shape brake control lever 3. air brake valves
4. master cylinder 5. vacuum intensifiers 6. wheel cylinders
7. hand brake A. sending and receiving motivation induction maniflod B. connects former vapour brake system
Accompanying drawing 2.T shape brake control lever
2A. shaft hole sleeve
Accompanying drawing 3. brake cylinders
8. two-way operation cylinder 9. pull back springs
10. piston push arm
Accompanying drawing 4. car side brakes and additional device
11. fixed support and pillar stiffener 12. back-plates 13. brake shoe brake cheek
14. switch-plate shaft cover 15,15A. are dialled plate and the afterburning pin of axle 16. shoes
17. brake wheel 18. cams
Claims (4)
1, a kind of vehicle safety reserve brake equipment, by the braking transmission device, car side brake and hand brake are formed, and brake transmission device by brake pedal, hydraulic braking pump, compositions such as vacuum intensifier; Car side brake is by back-plate, brake wheel, compositions such as brake shoe brake cheek; It is characterized in that braking transmission device and have T shape brake control lever (2) and one group of peripheral hardware brake cylinder (6); Car side brake has additional device.
2, device according to claim 1 is characterized in that T shape brake control lever (2) the galianconism centre of said braking transmission device has the axis hole that can make the rotation of T shape brake control lever.
3, device according to claim 1, the peripheral hardware brake cylinder that it is characterized in that said braking transmission device be by fixed support (11), two-way operation cylinder (8), and one group of piston push arm (9), one group of pillar stiffener (11) and pull back spring (10) are formed.
4, device according to claim 1 is characterized in that the additional device of said car side brake is dialled plate (15) and axle (15A) by one group, one group of axle sleeve (14), and one group of braking afterburning pin of shoes (16) is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86204243 CN86204243U (en) | 1986-06-17 | 1986-06-17 | Safe reserve brake device for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86204243 CN86204243U (en) | 1986-06-17 | 1986-06-17 | Safe reserve brake device for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN86204243U true CN86204243U (en) | 1987-12-16 |
Family
ID=4807349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86204243 Expired - Lifetime CN86204243U (en) | 1986-06-17 | 1986-06-17 | Safe reserve brake device for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86204243U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108602644A (en) * | 2016-01-29 | 2018-09-28 | 蒂森克虏伯电梯股份公司 | The arrestment mechanism for including booster for elevator device |
| CN110697630A (en) * | 2019-10-16 | 2020-01-17 | 安徽合力股份有限公司 | Hydraulic clutch and brake control system |
| CN113460010A (en) * | 2021-07-12 | 2021-10-01 | 广东盈峰智能环卫科技有限公司 | Hydraulic power-assisted brake system and electric sanitation vehicle |
-
1986
- 1986-06-17 CN CN 86204243 patent/CN86204243U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108602644A (en) * | 2016-01-29 | 2018-09-28 | 蒂森克虏伯电梯股份公司 | The arrestment mechanism for including booster for elevator device |
| CN108602644B (en) * | 2016-01-29 | 2020-09-29 | 蒂森克虏伯电梯股份公司 | Brake mechanism including a supercharger for an elevator system |
| CN110697630A (en) * | 2019-10-16 | 2020-01-17 | 安徽合力股份有限公司 | Hydraulic clutch and brake control system |
| CN113460010A (en) * | 2021-07-12 | 2021-10-01 | 广东盈峰智能环卫科技有限公司 | Hydraulic power-assisted brake system and electric sanitation vehicle |
| CN113460010B (en) * | 2021-07-12 | 2024-02-13 | 广东盈峰智能环卫科技有限公司 | Hydraulic power-assisted braking system and electric sanitation truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |