CN103538581B - Air brake system with heat dissipation and maintenance functions - Google Patents
Air brake system with heat dissipation and maintenance functions Download PDFInfo
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- CN103538581B CN103538581B CN201310480716.1A CN201310480716A CN103538581B CN 103538581 B CN103538581 B CN 103538581B CN 201310480716 A CN201310480716 A CN 201310480716A CN 103538581 B CN103538581 B CN 103538581B
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Abstract
The invention relates to an air brake system heat dissipation and maintenance functions. A multifunctional unloading valve is connected with a heat dissipation and maintenance air reservoir with a pressure meter and a brake air reservoir with a pressure sensor respectively through a two-position two-way electromagnetic directional valve and a two-position three-way electromagnetic valve. The two-position three-way electromagnetic valve is further connected with the heat dissipation and maintenance air reservoir on which a replaceable connector is connected. The heat dissipation and maintenance air reservoir is connected with a hydraulic oil pressurizing cylinder through a two-position two-way manual opening valve. The hydraulic oil pressurizing cylinder is connected with an oil supplementing tank and a maintenance press. An air outlet sieve is arranged between the multifunctional unloading valve and the two-position two-way electromagnetic directional valve, and a heat dissipator with a temperature sensor is adjacent to the air outlet sieve. The air brake system has the advantages that needless compressed air can be fed onto the heat dissipator through an overpressure air outlet of the unloading valve, energy is effectively utilized, heat dissipation capability is enhanced, oil temperature is lowered, working performance of the whole machine is improved, and the air brake system is convenient for field maintenance, simple to operate, safe, reliable and easy to implement.
Description
Technical field
The present invention relates to the gas braking system of the wheeled vehicle of a kind of construction machinery and equipment.
Background technology
At present, construction machinery and equipment wheeled vehicle gas braking system, mainly comprise Air compressor, multi-functional unloader valve, storage tank, main brake valve, booster pump group, lubricating cup group, brake clamp, hand braking valve, cut-out cylinder and hand braking cylinder, in the course of the work, directly be discharged in air when Air compressor is produced too much pressurized air by unloader valve multi-functional after reservoir pressure reaches setting pressure, unnecessary pressurized air can not be effectively utilized; In high temperature area operating mode or complicated bad working environments, two change oil temperature, hydraulic oil temperature and fuel oil oil temperature are generally higher, high oil temperature can accelerate seal aging, part pipeline aging, reduce element service life, easily cause fluid to reveal; Fluid plays a part lubrication, cleaning, absorbs vibration and reduce noise in each work system simultaneously, and temperature is too high, and oil viscosity reduces, and lubricant film is thinning, can increase mechanical wear, accelerates the damage of the Important Components such as main pump, valve; Keep in repair in the wild, maintain in working condition, by instruments such as manual operation torque spanners, can only waste time and energy and maintain.
Summary of the invention
The invention provides one and there is heat radiation and maintenance function gas braking system, this system energy effective use of energy sources, radiating and cooling is carried out to fluid, improve complete machine work efficiency, utilize unnecessary pressurized air to be field maintenance simultaneously, maintenance provides power, time saving and energy saving, and there is the ability clean to radiator core body, make radiator heat-dissipation effect better, complete machine serviceability is improved, whole process operation is simple, safe and reliable, be easy to realize.
The technical solution used in the present invention is: multi-functional unloader valve keeps in repair the braking storage tank of storage tank and band pressure sensor respectively by bi-bit bi-pass solenoid directional control valve and the manometric heat radiation of two-position three way magnetic valve connecting band, two-position three way magnetic valve also connects heat radiation maintenance storage tank, heat radiation maintenance storage tank is connected with interchangeable joint, heat radiation maintenance storage tank is by bi-bit bi-pass manually opened valve connecting fluid force feed pressurized cylinder, hydraulic oil pressurized cylinder connects oil feeding reservoir and servicing press, there is air sifter between multi-functional unloader valve and bi-bit bi-pass solenoid directional control valve, radiator with temperature sensor is with to go out air sifter adjacent.
Heat radiation maintenance storage tank and braking storage tank there is blow off valve.
Heat radiation is keeped in repair storage tank and is had gas stop valve between interchangeable joint and the manually opened valve of bi-bit bi-pass.
Low pressure check valve is had between hydraulic oil pressurized cylinder and oil feeding reservoir.
The invention has the beneficial effects as follows: produce pressurized air by engine drive Air compressor, and preferentially provide complete machine brake system by pressurized air; The pressurized air continuing to produce is stored in heat radiation maintenance storage tank, the pressurized air in heat radiation maintenance storage tank can realize radiator cooling by auxiliary element, and clean complete machine, radiator core body, coordinate the instrument field maintenance operations such as air nutsetter; The pressurized air that heat radiation maintenance storage tank exports can be converted into high pressure oil by hydraulic oil pressurized cylinder, servicing press utilizes high pressure oil generation pressure to be convenient to field maintenance operation or other operating modes; Needless compression air is input on radiator by unloader valve overvoltage air extractor duct, and the energy obtains and effectively utilizes, and enhances heat-sinking capability, reduce oil temperature, improve the serviceability of complete machine, be convenient to field maintenance maintenance, simple to operate, safe and reliable, be easy to realize.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
In figure, 1 Air compressor, 2 multi-functional unloader valves, 3 existing gas braking components of system as directed, 4 temperature sensors, 5 radiatores, 6 go out air sifter, 7 bi-bit bi-pass solenoid directional control valves, 8 compression indicators, 9 braking storage tanks, 10 heat radiation maintenance storage tank, 11 gas stop valves, 12 interchangeable joints, the manually opened valve of 13 bi-bit bi-pass, 14 oil feeding reservoirs, 15 low pressure check valves, 16 servicing press, 17 hydraulic oil pressurized cylinder, 18 blow off valves, 19 two-position three way magnetic valves, 20 pressure sensors.
Detailed description of the invention
Embodiment: Air compressor 1 connects multi-functional unloader valve 2, the overvoltage air extractor duct of multi-functional unloader valve 2 connects bi-bit bi-pass solenoid directional control valve 7, the heat radiation maintenance storage tank 10 of bi-bit bi-pass solenoid directional control valve 7 connecting band compression indicator 8 and blow off valve 18, heat radiation maintenance storage tank 10 is leaded up to gas stop valve 11 and is connected interchangeable joint 12, the gas stop valve 11 of separately leading up to of heat radiation maintenance storage tank 10 connects the manually opened valve 13 of bi-bit bi-pass, bi-bit bi-pass manually opened valve 13 connecting fluid force feed pressurized cylinder 17, hydraulic oil pressurized cylinder 17 is leaded up to low pressure check valve 15 and is connected oil feeding reservoir 13, another road connects servicing press 16, another road of multi-functional unloader valve 2 connects two-position three way magnetic valve 19, two-position three way magnetic valve 19 connects the braking storage tank 9 of heat radiation maintenance storage tank 10 and band pressure sensor 20 and blow off valve 18 respectively, the external existing gas braking components of system as directed 3 of braking storage tank 9, there is air sifter 6 between multi-functional unloader valve 2 and bi-bit bi-pass solenoid directional control valve 7, radiator with temperature sensor 45 is with to go out air sifter 6 adjacent.
As shown in Figure 1, the present invention includes Air compressor 1, multi-functional unloader valve 2, existing gas braking components of system as directed 3, temperature sensor 4, radiator 5, go out air sifter 6, bi-bit bi-pass solenoid directional control valve 7, compression indicator 8, braking storage tank 9, heat radiation maintenance storage tank 10, gas stop valve 11, interchangeable joint 12, the manually opened valve 13 of bi-bit bi-pass, oil feeding reservoir 14, low pressure check valve 15, servicing press 16, hydraulic oil pressurized cylinder 17, blow off valve 18, two-position three way magnetic valve 19, and pressure sensor 20, Air compressor 1 is installed on driving engine, produces pressurized air by driven by engine Air compressor 1, and by pneumatic circuit by Air compressor air extractor duct, multi-functional unloader valve 2, go out air sifter 6, bi-bit bi-pass solenoid directional control valve 7, braking storage tank 9, heat radiation maintenance storage tank 10, gas stop valve 11, interchangeable joint 12, the manually opened valve 13 of bi-bit bi-pass and two-position three way magnetic valve 9 connect, and hydraulic oil pressurized cylinder 17 one end is connected by the manually opened valve 13 of pneumatic circuit and bi-bit bi-pass, the other end and servicing press 16, low pressure check valve 15, oil feeding reservoir 14 is connected by hydraulic tubing, blow off valve 18, pressure sensor 20 and compression indicator 8 are installed on braking storage tank 9 respectively, on heat radiation maintenance storage tank 10, temperature sensor 4 is installed in radiator 5, passes through hold-down bolt, cushion blocking, said elements and pipeline are fixed in Rear frame by line card and pipe clamp.
Pressure sensor 20 on braking storage tank 9 controls two-position three way magnetic valve 19 and opens, pressurized air is preferentially stored in braking storage tank 9, when pressure sensor 20 reaches certain value, electromagnetic valve on two-position three way magnetic valve 19 obtains electric, pressurized air is directly stored in heat radiation maintenance storage tank 10 by two-position three way magnetic valve 19 by pressurized air, when pressure sensor 20 is less than a certain value range, two-position three way magnetic valve 19 passes through spring reset, pressurized air is preferentially stored in braking storage tank 9, brake for complete machine, namely whole system has preferential braking, safety is high.
In radiator 5, temperature sensor 4 controls bi-bit bi-pass solenoid directional control valve 7 and opens, pressurized air in heat radiation maintenance storage tank 10 is passed through air sifter 6 and is blown on radiator 5, when temperature sensor 4 reaches a certain value, electromagnetic valve on bi-bit bi-pass solenoid directional control valve 7 obtains electric, pressurized air in heat radiation maintenance storage tank 10 is transported to out air sifter 6 pairs of radiatores 5 by pneumatic circuit and cools, when temperature sensor 4 is less than a certain value range, bi-bit bi-pass solenoid directional control valve 7, by spring reset, cuts off gas circuit.
Operated by the manually opened valve 13 of bi-bit bi-pass, compressed air delivery is to hydraulic oil pressurized cylinder 17, high pressure oil is exported to servicing press 16, in oil feeding reservoir 14, hydraulic oil can flow into hydraulic oil pressurized cylinder 17 by low pressure check valve 15, heat radiation maintenance storage tank 10 by pneumatic circuit be easy to install pneumatic service tools interchangeable joint 12, can dispel the heat and keep in repair the gas stop valve 11 that storage tank 10 part gas circuit circulates and be connected by manual control.
Hydraulic oil pressurized cylinder 17 one end admission port, the other end is hydraulic oil repairing mouth and oil outlet, resetted by hydraulic oil pressurized cylinder 17 inner spring, make the hydraulic oil in oil feeding reservoir 14 by the timely repairing of low pressure check valve 15, by the manually opened valve 13 of operation bi-bit bi-pass, can by the compressed air delivery in heat radiation maintenance storage tank 10 to hydraulic oil pressurized cylinder 17 inlet end, hydraulic oil pressurized cylinder 17 other end produces high pressure oil, high pressure oil drives servicing press 16 to make its mouth produce high pressure, be convenient to field maintenance operation, such as bearing pin is installed on dismounting.
Can also by the compressed air delivery in heat radiation maintenance storage tank 10 on pneumatic service tools by interchangeable joint 12, be convenient to field to automotive servicing, also complete machine, radiator core body can be cleared up, simple to operate, be easy to realize, increase gas stop valve 11, be convenient to manual control gas circuit, pressure gas is at part pipeline leakage to prevent heat radiation from keeping in repair in storage tank 10, safe and reliable.Compression indicator 8 is installed on heat radiation maintenance storage tank 10, accurately can read gaseous tension when being convenient to carry out operations.
After when braking storage tank 9 and heat radiation maintenance, storage tank 10 is full of pressurized air, Air compressor 1 produce pressurized air directly through unloader valve overvoltage air extractor duct 5 to going out air sifter 6, directly cool radiator 5, the energy is utilized effectively.This system makes complete machine serviceability be improved, heat-sinking capability strengthen, be convenient to field maintenance operation, simple to operate, safe and reliable, be easy to realize.
Claims (4)
1. one kind has heat radiation and maintenance function gas braking system, it is characterized in that: the overvoltage air extractor duct of multi-functional unloader valve is by bi-bit bi-pass solenoid directional control valve connecting band manometric heat radiation maintenance storage tank, separately lead up to the braking storage tank of two-position three way magnetic valve connecting band pressure sensor, two-position three way magnetic valve also connects heat radiation maintenance storage tank, heat radiation maintenance storage tank is connected with interchangeable joint, heat radiation maintenance storage tank is by bi-bit bi-pass manually opened valve connecting fluid force feed pressurized cylinder, hydraulic oil pressurized cylinder connects oil feeding reservoir and servicing press, there is air sifter between multi-functional unloader valve and bi-bit bi-pass solenoid directional control valve, radiator with temperature sensor is with to go out air sifter adjacent.
2. one according to claim 1 has heat radiation and maintenance function gas braking system, it is characterized in that: heat radiation maintenance storage tank and braking storage tank have blow off valve.
3. one according to claim 1 has heat radiation and maintenance function gas braking system, it is characterized in that: heat radiation is keeped in repair storage tank and had gas stop valve between interchangeable joint and the manually opened valve of bi-bit bi-pass.
4. one according to claim 1 has heat radiation and maintenance function gas braking system, it is characterized in that: have low pressure check valve between hydraulic oil pressurized cylinder and oil feeding reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310480716.1A CN103538581B (en) | 2013-10-15 | 2013-10-15 | Air brake system with heat dissipation and maintenance functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310480716.1A CN103538581B (en) | 2013-10-15 | 2013-10-15 | Air brake system with heat dissipation and maintenance functions |
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| Publication Number | Publication Date |
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| CN103538581A CN103538581A (en) | 2014-01-29 |
| CN103538581B true CN103538581B (en) | 2015-07-22 |
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| CN201310480716.1A Active CN103538581B (en) | 2013-10-15 | 2013-10-15 | Air brake system with heat dissipation and maintenance functions |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107139909B (en) * | 2017-05-23 | 2019-04-16 | 安徽江淮汽车集团股份有限公司 | Automobile high pressure gas energy conserving system |
| CN108825475A (en) * | 2018-06-08 | 2018-11-16 | 西安法士特汽车传动有限公司 | A kind of pure electric logistic car |
| CN114435331A (en) * | 2022-02-08 | 2022-05-06 | 浙江威佰科科技有限公司 | Special slow liquid-injection atomizer for automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6848255B2 (en) * | 2002-12-18 | 2005-02-01 | Caterpillar Inc | Hydraulic fan drive system |
| KR101877567B1 (en) * | 2011-12-28 | 2018-07-12 | 두산인프라코어 주식회사 | Cooling fan-brake controlling method and apparatus for construction machinery |
| CN202707694U (en) * | 2012-08-08 | 2013-01-30 | 徐工集团工程机械股份有限公司科技分公司 | Hydraulic driving axle intelligent cooling system |
| CN202966338U (en) * | 2012-10-31 | 2013-06-05 | 中铁隧道股份有限公司 | Internal combustion locomotive provided with hydraulic cooling and air braking and used for tunnel construction |
| CN102910159B (en) * | 2012-10-31 | 2014-05-21 | 中铁隧道股份有限公司 | Control method of brake system for tunnel construction internal combustion traction locomotive |
| CN203472839U (en) * | 2013-10-15 | 2014-03-12 | 徐工集团工程机械股份有限公司科技分公司 | Air brake braking system with heat dissipation and maintenance functions |
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