CN210310307U - Emergency braking system used when vehicle service braking fails - Google Patents
Emergency braking system used when vehicle service braking fails Download PDFInfo
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- CN210310307U CN210310307U CN201921270431.4U CN201921270431U CN210310307U CN 210310307 U CN210310307 U CN 210310307U CN 201921270431 U CN201921270431 U CN 201921270431U CN 210310307 U CN210310307 U CN 210310307U
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- brake
- parking
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- braking
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- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
An emergency braking system for failure of vehicle service braking comprises a braking device, a service braking device and a parking braking device, and is characterized in that the braking device comprises a brake pedal, a service braking pump, an emergency braking switch, a fixing frame and bolts, wherein the upper part of the brake pedal is connected with the upper part of the fixing frame in a rotatable mode through the bolts; when a driver brakes, the driver steps down the brake pedal, the service brake fails, the driver continues to step the brake pedal to the maximum angle, touches the emergency brake switch, starts the parking brake and stops the vehicle in time, and the phenomenon that the parking brake cannot be started in time due to the fact that the driver has no time to operate is avoided.
Description
Technical Field
The utility model relates to a vehicle braking system especially relates to an emergency braking system when vehicle service brake became invalid.
Background
The wet brake is equipped with service brake and parking braking two kinds of modes, and service brake is the oil feeding braking, through brake pedal hydraulic pressure amplifier stroke effect, gives bridge service brake device's piston stroke size to realize slowly stopping and progressively increase braking torque, make the vehicle at the braking in-process steady braking and emergency braking, the effect is obvious, and the out-of-order fault reason of service brake is so: failure of hydraulic pump pressure; the oil pipe leaks to form pressure loss; a brake pedal clamping shell; the axle service brake piston leaks and jams.
In the case that the service brake fails in some cases, the mechanical spring brake is applied, and in general, after a driver depresses a brake pedal, the vehicle is found to be unable to brake.
Disclosure of Invention
In order to solve the problem, the utility model provides an emergency braking system when vehicle service braking became invalid provides the emergency braking system that can the quick start parking braking when vehicle service braking became invalid. In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an emergency braking system when vehicle service brake became invalid, includes brake equipment, service brake equipment and parking brake equipment, brake equipment include brake pedal, service brake pump, emergency brake switch, mount and bolt, the mount set up to the U-shaped frame, brake pedal's upper portion be connected with the upper portion of mount with rotatable mode through the bolt, service brake pump pass through the bolt setting in the upper end of mount, emergency brake switch pass through the bolt setting at the lower extreme of mount, brake pedal's front portion is connected with service brake pump through the bolt for brake pedal control service brake pump, service brake pump is connected with service brake equipment, controls the service brake of vehicle, emergency brake switch is connected with parking brake equipment, controls the parking brake of vehicle.
Furthermore, a brake lamp is arranged on the right side of the brake pedal, when the brake pedal moves to the left side, a brake lamp switch is turned on, and the brake lamp is turned on to indicate braking action.
Furthermore, the parking brake device comprises a parking electromagnetic valve, an oil tank, a front axle parking decompression spring device and a rear axle parking decompression spring device, wherein the parking electromagnetic valve is respectively connected with the oil tank, the front axle parking decompression spring device and the rear axle parking decompression spring device to control an oil path of the oil tank, and further control the front axle parking decompression spring device and the rear axle parking decompression spring device to perform parking brake.
Furthermore, the emergency brake switch is of a stepped touch switch structure and is convenient to match with the brake pedal, when the brake pedal is stepped to the maximum angle, the brake pedal is in contact with the emergency brake switch, the emergency brake switch can respond in time, and the phenomenon that the emergency brake switch cannot be started in time due to insensitive touch is avoided.
Compared with the prior art, the utility model discloses following beneficial effect has: when a driver brakes, the driver steps down the brake pedal, the service brake fails, the driver continues to step the brake pedal to the maximum angle, touches the emergency brake switch, starts the parking brake and stops the vehicle in time, and the phenomenon that the parking brake cannot be started in time due to the fact that the driver has no time to operate is avoided.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of a brake apparatus;
FIG. 2 is a schematic structural diagram of the present invention;
in the drawings: 1. the brake device comprises a brake device, 2, a service brake device, 3, a parking brake device, 31, a parking electromagnetic valve, 32, an oil tank, 33, a front axle parking decompression spring device, 34, a rear axle parking decompression spring device, 4, a brake pedal, 5, a service brake pump, 6, an emergency brake switch, 7, a fixing frame, 8 and a brake lamp.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described with reference to fig. 1, fig. 2 and the specific embodiments.
As shown in attached figures 1 and 2, an emergency braking system for a vehicle during service braking failure comprises a braking device 1, a service braking device 2 and a parking braking device 3, wherein the braking device 1 comprises a brake pedal 4, a service braking pump 5, an emergency braking switch 6, a fixing frame 7 and bolts, the fixing frame 7 is a U-shaped frame, the upper part of the brake pedal 4 is rotatably connected with the upper part of the fixing frame 7 through the bolts, the service braking pump 5 is arranged at the upper end of the fixing frame 7 through the bolts, the emergency braking switch 6 is arranged at the lower end of the fixing frame 7 through the bolts, the front part of the brake pedal 4 is connected with the service braking pump 5 through the bolts and used for controlling the service braking pump 5 by the brake pedal 4, the service braking pump 5 is connected with the service braking device 2 and controlling the service braking of the vehicle, the emergency brake switch 6 is connected to the parking brake device 3 and controls the parking brake of the vehicle.
Further, a brake lamp 8 is arranged on the right side of the brake pedal 4, when the brake pedal 4 moves to the left side, a brake lamp switch is turned on, and the brake lamp 8 is turned on to indicate a braking action.
Further, the parking brake device 3 includes a parking solenoid valve 31, an oil tank 32, a front axle parking decompression spring device 33 and a rear axle parking decompression spring device 34, the parking solenoid valve 31 is respectively connected with the oil tank 32, the front axle parking decompression spring device 33 and the rear axle parking decompression spring device 34, an oil path of the oil tank 32 is controlled, and then the front axle parking decompression spring device 33 and the rear axle parking decompression spring device 34 are controlled to perform parking braking.
Further, the emergency brake switch 6 is of a stepped touch switch structure, and is convenient to match with the brake pedal 4, when the brake pedal 4 is stepped to the maximum angle, the brake pedal 4 is in contact with the emergency brake switch 6, the emergency brake switch 6 can respond in time, and the phenomenon that the emergency brake switch cannot be turned on in time due to insensitive touch is avoided.
The utility model discloses a theory of operation and working process as follows: in the normal running process, when braking is needed, the brake pedal 4 moves to the left side, the brake lamp switch is closed, the brake lamp 8 is turned on to indicate braking action, the service brake pump 5 runs, the service brake device 2 is started, and the vehicle performs service braking; if the phenomenon that the service brake fails occurs, the brake pedal 4 is continuously stepped, when the brake pedal 4 is stepped to the maximum angle, the brake pedal 4 is contacted with the emergency brake switch 6, the parking electromagnetic valve 31 is started, the oil circuit of the oil tank 32 is controlled, the front axle parking decompression spring device 33 and the rear axle parking decompression spring device 34 are decompressed and started, the parking brake is started, the vehicle is stopped in time, and the phenomenon that the parking brake cannot be started in time due to the fact that a driver has no time to operate the parking brake is avoided.
Compared with the prior art, the utility model discloses following beneficial effect has: when a driver brakes, the driver steps down the brake pedal, the service brake fails, the driver continues to step the brake pedal to the maximum angle, touches the emergency brake switch, starts the parking brake and stops the vehicle in time, and the phenomenon that the parking brake cannot be started in time due to the fact that the driver has no time to operate is avoided.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (4)
1. An emergency braking system for vehicle service brake failure comprises a braking device (1), a service braking device (2) and a parking braking device (3), and is characterized in that the braking device (1) comprises a brake pedal (4), a service brake pump (5), an emergency brake switch (6), a fixing frame (7) and bolts, the fixing frame (7) is arranged to be a U-shaped frame, the upper part of the brake pedal (4) is connected with the upper part of the fixing frame (7) in a rotatable mode through the bolts, the service brake pump (5) is arranged at the upper end of the fixing frame (7) through the bolts, the emergency brake switch (6) is arranged at the lower end of the fixing frame (7) through the bolts, the front part of the brake pedal (4) is connected with the service brake pump (5) through the bolts, and the service brake pump (5) is connected with the service braking device (2), the emergency brake switch (6) is connected with the parking brake device (3).
2. Emergency braking system according to claim 1, characterized in that a brake light (8) is arranged on the right side of the brake pedal (4).
3. The emergency braking system according to claim 1, wherein the parking brake device (3) comprises a parking solenoid valve (31), an oil tank (32), a front axle parking decompression spring device (33) and a rear axle parking decompression spring device (34), and the parking solenoid valve (31) is respectively connected with the oil tank (32), the front axle parking decompression spring device (33) and the rear axle parking decompression spring device (34).
4. The emergency brake system according to claim 1, characterized in that the emergency brake switch (6) is provided as a stepped touch switch structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921270431.4U CN210310307U (en) | 2019-08-07 | 2019-08-07 | Emergency braking system used when vehicle service braking fails |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921270431.4U CN210310307U (en) | 2019-08-07 | 2019-08-07 | Emergency braking system used when vehicle service braking fails |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210310307U true CN210310307U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921270431.4U Active CN210310307U (en) | 2019-08-07 | 2019-08-07 | Emergency braking system used when vehicle service braking fails |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210310307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110466484A (en) * | 2019-08-07 | 2019-11-19 | 汶上弘德工程机械有限公司 | A kind of emergency braking system when vehicle driving brake fade |
-
2019
- 2019-08-07 CN CN201921270431.4U patent/CN210310307U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110466484A (en) * | 2019-08-07 | 2019-11-19 | 汶上弘德工程机械有限公司 | A kind of emergency braking system when vehicle driving brake fade |
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