CN208813180U - The engineering machinery of automatic draining air-operated hydraulic brake system - Google Patents
The engineering machinery of automatic draining air-operated hydraulic brake system Download PDFInfo
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- CN208813180U CN208813180U CN201821523442.4U CN201821523442U CN208813180U CN 208813180 U CN208813180 U CN 208813180U CN 201821523442 U CN201821523442 U CN 201821523442U CN 208813180 U CN208813180 U CN 208813180U
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- air
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- brake
- assistor
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Abstract
The utility model relates to braking systems, it is not easy to solve the problems, such as in existing air-operated hydraulic brake system that air accumulator discharges water, the utility model constructs a kind of engineering machinery air-operated hydraulic brake system of automatic draining, air-operated hydraulic brake system includes the air compressor machine being sequentially connected in series, inflation combination valve, air accumulator, brake valve, the outlet side of brake valve is connect with preceding assistor and rear assistor simultaneously, and the brake fluid output end of preceding assistor and rear assistor is accordingly connect with front brake and rear brake;Gas control discharging valve is provided on air accumulator, the gas control end of gas control discharging valve and the outlet side of brake valve connect.In the present invention, compressed air enters preceding assistor from the output of the outlet side of brake valve when braking and rear assistor realizes braking, compressed air also enters the gas control end of gas control discharging valve simultaneously, push the mandril that discharges water of gas control discharging valve, it realizes that gas control discharging valve discharges water movement, the operation that discharges water is carried out to air accumulator automatically when braking to realize.
Description
Technical field
The utility model relates to a kind of braking systems, more specifically to a kind of engineering machinery gas of automatic draining
Push up oil brake system.
Background technique
Engineering machinery air-operated hydraulic brake system includes air compressor machine, combination valve, air accumulator, brake valve, preceding assistor, adds afterwards
Power device, front brake, rear brake.The combined valve in the outlet of air compressor machine is connect with air accumulator, and air compressor machine conveys air pressurized
To air accumulator.The inlet end of brake valve is connect with air accumulator, and outlet side is connect with preceding assistor and rear assistor simultaneously.Preceding reinforcing
Device is connect with front brake, and rear assistor is connect with rear brake.Compressed air when braking in air accumulator enters through brake valve
To preceding assistor and rear assistor, preceding assistor and rear assistor export brake fluid accordingly respectively and make front brake and rear braking
Device implements braking maneuver.
Existing air-operated hydraulic brake system in use, because air in air accumulator compression condensation formed water and system
Middle impurity is all deposited in air accumulator, it is mechanical after a period of use, just gas storage need to be discharged by discharging valve on air accumulator
Water and impurity in tank, because deposition increases, can make air-channel system element and channel interior raw if long-time does not drain and impurity
Rust, corrosion etc., cause existing braking member and system failure rate to increase.
Because of Brake Design demand, the apparent volume of air accumulator and the limitation of complete machine layout designs, air accumulator is often in the layout of whole
Motor spindle or not easy-operating position, narrow space are not easy to discharge water, in addition, discharging valve mostly uses the mode pushed up to upside to put
Sewage is easily put on hand by water when discharging water, in addition the limitation in space, and client is caused to be reluctant to discharge water, and also can often be ignored and be discharged water, and is made existing
There are braking member and lifetime of system to reduce, because of braking system security critical, is badly in need of improving.
Utility model content
The technical problems to be solved in the utility model is that air accumulator discharges water the problem of being not easy in existing air-operated hydraulic brake system,
And a kind of engineering machinery air-operated hydraulic brake system of automatic draining is provided, realize air accumulator automatic draining in braking system.
The utility model is to realize that the technical solution of its purpose is such that the engineering machinery for constructing a kind of automatic draining is used
Air-operated hydraulic brake system, the air-operated hydraulic brake system include the air compressor machine being sequentially connected in series, inflation combination valve, air accumulator, braking
The outlet side of valve, the brake valve is connect with preceding assistor and rear assistor simultaneously, the brake fluid of preceding assistor and rear assistor
Output end is accordingly connect with front brake and rear brake;It is characterized in that gas control discharging valve is provided on the air accumulator,
The gas control end of the gas control discharging valve is connect with the outlet side of the brake valve.In the present invention, when braking, compressed air
From the outlet side of brake valve, output enters preceding assistor and rear assistor, realizes the braking of front brake and rear brake, together
When brake valve output compressed air also enter the gas control end of gas control discharging valve, push the mandril that discharges water of gas control discharging valve, it is real
Existing gas control discharging valve discharges water movement, carries out the operation that discharges water to air accumulator automatically when braking to realize.
In above-mentioned air-operated hydraulic brake system, the air accumulator includes dehumidifying bottle and storage cylinder, the air inlet of the dehumidifying bottle
It is connect with the combination valve, the gas outlet of the dehumidifying bottle is connect with storage cylinder, and the gas outlet of storage cylinder is connect with brake valve, institute
The setting of gas control discharging valve is stated on dehumidifying bottle.Further, it is provided in the connection gas circuit between the dehumidifying bottle and storage cylinder
From dehumidifying bottle to the check valve of storage cylinder one-way conduction.Storage cylinder and dehumidifying bottle separate and check valve are arranged in connection gas circuit,
To realize the air pressure not interfered in storage cylinder when braking discharges water.
Compared with prior art, the utility model is realized in braking carries out the behaviour that discharges water to air accumulator automatically to the utility model
Make, it is easy to operate simple.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model air-operated hydraulic brake system.
Parts title and serial number in figure:
Air compressor machine 1, inflation combination valve 2, dehumidifying bottle 3, gas control discharging valve 4, check valve 5, storage cylinder 6, pressure sensor 7,
Front brake 8, brake valve 9, preceding assistor 10, power cut switch 11, braking light switch 12, rear assistor 13, rear brake
14。
Specific embodiment
Illustrate specific embodiment with reference to the accompanying drawing.
As shown in Figure 1, the air-operated hydraulic brake system in the present embodiment can be used for industrial wheeled equipment such as loading machine, at this
Air-operated hydraulic brake system includes the air compressor machine 1 being sequentially connected in series, inflation combination valve 2, air accumulator, brake valve 9, the outlet of brake valve 9
End is connect with preceding assistor 10 and rear assistor 13 simultaneously, and the brake fluid output end of preceding assistor 10 and rear assistor 13 is accordingly
It is connect with front brake 8 and rear brake 14.Gas control discharging valve 4, the gas control end of gas control discharging valve 4 and system are provided on air accumulator
The outlet side connection of dynamic valve 9.Power cut switch 11, braking light switch 12 are provided in the outlet side gas circuit of brake valve 9.When
The compressed air pressure that brake valve 9 exports is when reaching predetermined value, such as braking light switch 12 responds when air pressure is higher than 0.15 megapascal,
The Brake lamp of engineering machinery lights.When compressed air pressure, which continues to increase, reaches predetermined value, such as air pressure is higher than 0.26 megapascal
When power cut switch 11 respond, construction machinery gear box cuts off transfer motion power output, protects engine and gearbox etc..
In the present embodiment, air accumulator includes dehumidifying bottle 3 and storage cylinder 6, and the air inlet and inflation combination valve 2 for the bottle 3 that dehumidifies connect
It connects, the gas outlet of dehumidifying bottle 3 is connect with storage cylinder 6, and the gas outlet of storage cylinder 6 is connect with brake valve 9, and gas control discharging valve 4 is arranged
On dehumidifying bottle 3, the compressed air that air compressor machine 1 exports condensed moisture and precipitated impurities first in dehumidifying bottle 3.In storage cylinder 6
On be provided with pressure sensor 7 for detecting air pressure in storage cylinder 6, so as to engineering machinery storage cylinder 6 pressure lower than pre-
Start air compressor machine 1 when definite value in time to inflate to air accumulator.It is provided in connection gas circuit between dehumidifying bottle 3 and storage cylinder 6 by removing
Check valve 5 of the wet bottle to storage cylinder one-way conduction.Storage cylinder 6 and dehumidifying bottle 3 separate and check valve 5 are arranged in connection gas circuit,
To realize the air pressure not interfered in storage cylinder when braking discharges water.
In the present embodiment, when braking, compressed air enters preceding assistor from the output of the outlet side of brake valve and adds afterwards
Power device, preceding assistor and rear assistor output brake fluid realize the braking of front brake and rear brake, while brake valve exports
Compressed air also enter the gas control end of gas control discharging valve, push the mandril that discharges water of gas control discharging valve, realize gas control discharging valve
Discharge water movement, carries out the operation that discharges water to air accumulator automatically in braking to realize.
Claims (3)
1. a kind of engineering machinery of automatic draining air-operated hydraulic brake system, the air-operated hydraulic brake system includes being sequentially connected in series
Air compressor machine, inflation combination valve, air accumulator, brake valve, the outlet side of the brake valve connect with preceding assistor and rear assistor simultaneously
It connects, the brake fluid output end of preceding assistor and rear assistor is accordingly connect with front brake and rear brake;It is characterized in that
Gas control discharging valve is provided on the air accumulator, the gas control end of the gas control discharging valve is connect with the outlet side of the brake valve.
2. air-operated hydraulic brake system according to claim 1, it is characterised in that the air accumulator includes dehumidifying bottle and gas storage
The air inlet of bottle, the dehumidifying bottle is connect with the combination valve, and the gas outlet of the dehumidifying bottle is connect with storage cylinder, storage cylinder
Gas outlet is connect with brake valve, and the gas control discharging valve setting is on dehumidifying bottle.
3. air-operated hydraulic brake system according to claim 2, it is characterised in that the company between the dehumidifying bottle and storage cylinder
It connects and is provided in gas circuit from dehumidifying bottle to the check valve of storage cylinder one-way conduction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821523442.4U CN208813180U (en) | 2018-09-18 | 2018-09-18 | The engineering machinery of automatic draining air-operated hydraulic brake system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821523442.4U CN208813180U (en) | 2018-09-18 | 2018-09-18 | The engineering machinery of automatic draining air-operated hydraulic brake system |
Publications (1)
Publication Number | Publication Date |
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CN208813180U true CN208813180U (en) | 2019-05-03 |
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CN201821523442.4U Active CN208813180U (en) | 2018-09-18 | 2018-09-18 | The engineering machinery of automatic draining air-operated hydraulic brake system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112412613A (en) * | 2020-10-27 | 2021-02-26 | 浙江吉利控股集团有限公司 | Intercooling drainage system and vehicle |
-
2018
- 2018-09-18 CN CN201821523442.4U patent/CN208813180U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112412613A (en) * | 2020-10-27 | 2021-02-26 | 浙江吉利控股集团有限公司 | Intercooling drainage system and vehicle |
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