CN109707673A - A kind of manual/auto integrated two-way rotary shaft hydraulic braking system - Google Patents
A kind of manual/auto integrated two-way rotary shaft hydraulic braking system Download PDFInfo
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- CN109707673A CN109707673A CN201910140488.0A CN201910140488A CN109707673A CN 109707673 A CN109707673 A CN 109707673A CN 201910140488 A CN201910140488 A CN 201910140488A CN 109707673 A CN109707673 A CN 109707673A
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- 239000000446 fuel Substances 0.000 claims abstract description 15
- 238000013268 sustained release Methods 0.000 claims abstract description 12
- 239000012730 sustained-release form Substances 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims description 96
- 239000002828 fuel tank Substances 0.000 claims description 30
- 238000002955 isolation Methods 0.000 claims description 15
- 206010003830 Automatism Diseases 0.000 claims description 7
- 241000531807 Psophiidae Species 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 238000013461 design Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 42
- 230000005611 electricity Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 230000002459 sustained effect Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Abstract
A kind of manual/auto integrated two-way rotary shaft hydraulic braking system, including electric hydaulic source unit, hand-hydraulic source unit, fast charge sustained release Storage Unit, large torque axis brake unit and the braking of small torque axis.This system exports high pressure fuel source by electric hydaulic source unit in normal conditions, it is stored in the accumulator of fast charge sustained release Storage Unit, then it is large torque axis brake unit and small torque axis brake unit sustainable supply high pressure oil by accumulator, completes normal brake application or the release process of rotary shaft.When electric hydraulic pump or accumulator break down, when cannot provide high pressure oil for system, it is large torque axis brake unit and small torque axis brake unit sustainable supply high pressure oil that hydraulic source unit, which is manually operated, by maintenance personnel, completes emergency brake or the release process of rotary shaft.The present invention realizes the Redundancy Design of manual/auto parallel connection, and system reliability is high, have equipment it is normal when automatically control and when equipment fault manual-operated emergent safety operation function.
Description
Technical field
The present invention relates to Fluid Transmission and Control technical fields, and in particular to a kind of manual/auto integrated two-way rotation
Axis hydraulic braking system.
Background technique
Currently, energy consumption is increasingly huge with the rapid development of the industries such as work, agriculture, business, traffic and logistics, wind-force
Using more and more common, these are equipped with a common feature for power generation, hydroelectric generation, gas turbine generator: there have to be passive
High-speed rotating larger rotation shaft needs reliably to brake these larger rotation shafts when equipment failure or adjustment parameter
Locking, to guarantee equipment and the security of the lives and property.
Currently, the larger rotation shaft passively rotated is more universal using mechanically and electrically magnetic brake mode.Mechanical braking mode knot
Structure is huger, and retro-speed adjusts difficult, buffering hardly possible, and rotary shaft shock and vibration are larger when braking and discharging, and brakes bearing shell
Friction plate be easy local friction fever and scaling loss.Electromagnetic braking mode major defect is that braking moment is relatively small, large torque
Brake difficult under operating condition, rotary shaft is slowed down slow when braking, and the friction plate for braking bearing shell is easy consume because long-time rubs, use
Service life is short.The problem of present invention is generally directed to the larger rotation shaft passively rotated at present brakings is invented a kind of manual/auto integrated
Brake fluid system has braking moment is big, braking release multistage speed buffers easy to adjust, manual/auto Redundancy Design can
By property height, without the energy-efficient good result of overflow intermittent work.
Summary of the invention
For the above technical issues, the technical program provides a kind of manual/auto integrated two-way rotary shaft braking
Hydraulic system can effectively solve the above problem.
The invention is realized by the following technical scheme:
A kind of manual/auto integrated two-way rotary shaft hydraulic braking system, including electric hydaulic source unit, the electronic liquid
Potential source unit is connect with hand-hydraulic source unit and fast charge sustained release Storage Unit；Oil is provided in the electric hydaulic source unit
Case and electric hydraulic pump, the electric hydraulic pump are connect by pipeline with fuel tank internal；The fast charge is sustained Storage Unit
In be provided with accumulator, the electric hydraulic pump is connect by pipeline with accumulator；The accumulator is distinguished by pipeline
It is connect with large torque axis brake unit and small torque axis brake unit；The hand-hydraulic source unit by pipeline respectively and greatly
Torque axis brake unit is connected with small torque axis brake unit；It is equipped on pipeline in the hand-hydraulic source unit hand
Hydraulic pump and manual direction valve.
Further, hydraulic fluid port under the electric hydaulic pump discharge connection filter device of the electric hydaulic source unit, filtering dress
The upper hydraulic fluid port set is connected in parallel to safety pressure-limiting valve and shut-off valve.
Further, the bottom of the fuel tank is provided with oil drain pan, and fuel tank is connected on the upside of the oil drain pan, described
Damping spring is provided between fuel tank and the upper surface of oil drain pan.
Further, the inside of the fuel tank is equipped with electronic liquid level gauge, and the side of fuel tank is equipped with artificial observation liquid level
Meter.
Further, the top of the fuel tank, the side positioned at electric hydraulic pump are provided with air filter.
Further, the electric hydraulic pump is connected with matched ac motor.
Further, the accumulator hydraulic fluid port is connected in parallel to No.1 pressure switch, No.1 check valve and throttle orifice.
Further, the large torque axis brake unit is provided with No.1 electromagnetic direction valve；The No.1 electromagnetism side
Valve is provided with hydraulic fluid port R, hydraulic fluid port A and hydraulic fluid port P.
Further, the hydraulic fluid port R of the No.1 electromagnetic direction valve is connected with the hydraulic fluid port P for the No.1 counterbalance valve being connected in parallel
With the hydraulic fluid port P of No. two electromagnetic direction valves；The hydraulic fluid port A of No.1 electromagnetic direction valve is connected with No. two shut-off valves being connected in parallel and No. three
Shut-off valve；The hydraulic fluid port P of No.1 electromagnetic direction valve is connected with the manual/auto isolation check valve of No.1, at the same with Manual hydraulic source list
The high pressure fuel source output interface connection of member.
Further, the upper hydraulic fluid port of No. two shut-off valves is connected with large torque axis brake fluid cylinder pressure, the big torsion
Square axis brake fluid cylinder pressure is connected with large torque axis and No. two pressure switches.
Further, the upper hydraulic fluid port of No. three shut-off valve, the hydraulic fluid port R of No. two electromagnetic direction valves, No.1 counterbalance valve
The upper hydraulic fluid port of hydraulic fluid port R and No. two check valves is linked together by pipeline, and the lower hydraulic fluid port of No. two check valves and electric hydaulic source are single
The fuel tank of member is connected by pipeline.
Further, the manual/auto isolation check valve of the No.1 is connect with the filter device of electric hydaulic source unit,
And it is in parallel with No.1 shut-off valve.
Further, it is provided with two trumpeters in the small torque axis brake unit and moves/automatism isolation check valve, it is described
Two trumpeters are dynamic/the hydraulic fluid port P connection of the left oil port and three-way pressure reducing valve of automatism isolation check valve；The hydraulic fluid port A and hand of three-way pressure reducing valve
The high pressure fuel source output interface of hydrodynamic pressure source unit connects, while being connected to the hydraulic fluid port P of No. three electromagnetic direction valves；No. three electromagnetism sides
The hydraulic fluid port R of No. three check valve left oil ports and three-way pressure reducing valve that are connected in parallel is connected with to the hydraulic fluid port R of valve；The right side of No. three check valves
Hydraulic fluid port is connect with the fuel tank of electric hydaulic source unit by pipeline.
Further, the hydraulic fluid port A of No. three electromagnetic direction valves is connected with No. three shut-off valves, the upper hydraulic fluid port of No. three shut-off valve
Small torque axis brake fluid cylinder pressure is connected, the small torque axis brake fluid cylinder pressure is connected with small torque axis and No. three pressure relays
Device.
Further, two trumpeters it is dynamic/filtering of the right oil port and electric hydaulic source unit of automatism isolation check valve
Device connection, and it is in parallel with No.1 shut-off valve.
Further, the high pressure fuel source output interface of the hand-hydraulic source unit and manual direction valve.
Further, the front end of the P hydraulic fluid port of the manual direction valve is connect with hand hydraulic pump, hand hydraulic pump and electricity
The fuel tank of hydrodynamic pressure source unit is connected by pipeline.
Beneficial effect
The manual/auto integrated two-way rotary shaft hydraulic braking system of one kind proposed by the present invention, compared with prior art,
It has the advantages that
(1) two-way rotary shaft hydraulic braking system is sustained accumulation of energy list by electric hydaulic source unit, hand-hydraulic source unit and fast charge
Member is combined for high pressure fuel source, realizes the Redundancy Design of manual/auto parallel connection, system reliability height, have equipment it is normal when it is automatic
The function of manual-operated emergent safety operation when control and equipment fault.
(2) the accumulator hydraulic fluid port of two-way rotary shaft hydraulic braking system is connected in parallel to check valve and throttle orifice, guarantees to fill
Oily non-resistance will not generate additional overflow because of chock pressure difference, stop working full of electric hydraulic pump after oil, no hydraulic power damage
Consumption, hydraulic pump intermittent work, energy-saving effect is good, and flow is small when oil extraction, and checking cylinder speed is slow, and braking shock and vibration are small.
(3) shut-off valve, equipment are connected on the pressure duct of the electric hydaulic source unit of two-way rotary shaft hydraulic braking system
When needing repairing or checking, the high pressure oil in system pipeline and accumulator can be discharged into oil return box manually, in case high pressure oil sprays
It hurts sb.'s feelings out, safe ready.
(4) the brake-cylinder pressure release of the large torque axis brake unit of two-way rotary shaft hydraulic braking system is returned using three
Road Parallel Design, it is ensured that there is one grade of emergency manual releasing function when having two grades of rate of release and failure in normal work, it is real
Classification release band-type brake under existing high-torque damped condition, the speed that declutches is easy to adjust, and shock and vibration are small, has good buffering effect
Fruit is good.
(5) the small torque axis brake unit of the two-way rotary shaft hydraulic braking system described in uses three-way pressure reducing valve system
Dynamic pressure adjusts and control, has braking moment easy to adjust, the function of braking system overload protection.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Mark in attached drawing: 1- electric hydaulic source unit, 1.1- filter device, 1.2- oil drain pan, 1.3- shock-absorbing spring,
1.4- electronic liquid level gauge, 1.5- fuel tank, 1.6- artificial observation liquidometer, 1.7- air filter, 1.8- electric hydraulic pump, 1.9-
Ac motor, 1.10- safety pressure-limiting valve, 1.11- shut-off valve；
2- hand-hydraulic source unit, the manual direction valve of 2.1-, 2.2- hand hydraulic pump；
3- fast charge is sustained Storage Unit, 3.1- No.1 check valve, 3.2- throttle orifice, 3.3- No.1 pressure switch, 3.4- accumulation of energy
Device；
4- large torque axis brake unit, the manual/auto isolation check valve of 4.1- No.1, No. bis- check valves of 4.2-, 4.3- No.1 back
Pressure valve, 4.4- No.1 electromagnetic direction valve, No. bis- shut-off valves of 4.5-, 4.6- large torque axis brake fluid cylinder pressure, 4.7- large torque axis,
No. bis- No. bis- pressure switches of 4.8-, No. tri- shut-off valves of 4.9-, 4.10- electromagnetic direction valves；
The small torque axis brake unit of 5-, bis- trumpeter of 5.1- move/automatism isolation check valve, No. tri- 5.2- three-way pressure reducing valve, 5.3- electricity
Magnetic direction valve, No. tri- pressure switches of 5.4-, the small torque axis of 5.5-, the small torque axis brake fluid cylinder pressure of 5.6-, 5.7- tetra- cut-offs
Valve, No. tri- check valves of 5.8-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.This is not being departed from
Under the premise of invention design concept, all variations and modifications that ordinary people in the field makes technical solution of the present invention,
Protection scope of the present invention should be dropped into.
As shown in Figure 1, a kind of manual/auto integrated two-way rotary shaft hydraulic braking system, including electric hydaulic source are single
First (1), hand-hydraulic source unit (2), fast charge sustained release Storage Unit (3), large torque axis brake unit (4) and the braking of small torque axis
Unit (5)；The electric hydaulic source unit (1) is connect with hand-hydraulic source unit (2) and fast charge sustained release Storage Unit (3)；
Wherein, it is provided with electric hydraulic pump (1.8) in electric hydaulic source unit (1), is provided with accumulation of energy in fast charge sustained release Storage Unit (3)
Device (3.4), the electric hydraulic pump (1.8) are connect by pipeline with accumulator (3.4)；The accumulator (3.4) passes through
Pipeline is connect with large torque axis brake unit (4) and small torque axis brake unit (5) respectively；The hand-hydraulic source unit
(2) it is connect respectively with large torque axis brake unit (4) and small torque axis brake unit (5) by pipeline；The hand-hydraulic
Hand hydraulic pump (2.2) and manual direction valve (2.1) are installed on the pipeline in source unit (2).The high pressure fuel source of system is by electricity
Hydrodynamic pressure source unit (1), hand-hydraulic source unit (2) and fast charge sustained release Storage Unit (3) joint provide.
High pressure fuel source is exported by the electric hydraulic pump (1.8) of electric hydaulic source unit (1) under nominal situation, is stored in fast charge
It is sustained in the accumulator (3.4) of Storage Unit (3), is then large torque axis brake unit (4) and small torque by accumulator (3.4)
Axis brake unit (5) sustainable supply high pressure oil, completes normal brake application or the release process of rotary shaft.When electric hydraulic pump (1.8)
Or accumulator (3.4) breaks down, and when cannot provide high pressure oil for system, hand-hydraulic source unit is manually operated by maintenance personnel
(2) hand hydraulic pump (2.2) and manual direction valve (2.1) is large torque axis brake unit (4) and small torque axis brake unit
(5) sustainable supply high pressure oil completes emergency brake or the release process of rotary shaft.
Wherein, fuel tank (1.5) and electric hydraulic pump (1.8), electric hydraulic pump are provided in electric hydaulic source unit (1)
(1.8) by being connect inside pipeline and fuel tank (1.5)；Electric hydraulic pump (1.8) outlet of electric hydaulic source unit (1) connected
Hydraulic fluid port under device (1.1) is filtered, the upper hydraulic fluid port of filter device (1.1) is connected in parallel to safety pressure-limiting valve (1.10), No.1 shut-off valve
(1.11), lead to the pipeline of fast charge sustained release Storage Unit (3), lead to large torque axis brake unit (4) pipeline and lead to small torque
The pipeline of axis brake unit (5).High pressure oil is exported by the electric hydraulic pump (1.8) of electric hydaulic source unit (1) under nominal situation
Source is stored in the accumulator (3.4) of fast charge sustained release Storage Unit (3), is then that the braking of large torque axis is single by accumulator (3.4)
First (4) and small torque axis brake unit (5) sustainable supply high pressure oil, completes normal brake application or the release process of rotary shaft.It is electronic
No.1 shut-off valve (1.11) and safe pressure limiting are connected on the pressure duct of electric hydraulic pump (1.8) outlet of hydraulic source unit (1)
Valve (1.10), when equipment works normally, No.1 shut-off valve (1.11) is closed, and safety pressure-limiting valve (1.10) limits system most senior engineer
Make pressure, to prevent pressure anomaly raising, explosion pipeline, damage equipment；When equipment needs repairing or checks, one can be opened manually
High pressure oil in system pipeline and accumulator (3.4) is discharged oil return box (1.5) by number shut-off valve (1.11), in case high pressure oil sprays
It hurts sb.'s feelings out, safe ready.
Wherein, hand-hydraulic source unit (2) is provided with hand hydraulic pump (2.2), hand hydraulic pump (2.2) and electric hydaulic
The fuel tank of source unit is connected by pipeline；The outlet of hand hydraulic pump (2.2) is provided with manual direction valve (2.1)；Manual direction
Two actuator ports of valve (2.1) are connected to respectively towards large torque axis brake unit (4) pipeline and brake list towards small torque axis 2
The pipeline of first (5).It, can when cannot provide high pressure oil for system when electric hydraulic pump (1.8) or accumulator (3.4) failure
Hand hydraulic pump (2.2) and the manual direction valve (2.1) of hydraulic source unit (2) is manually operated by maintenance personnel as large torque axis
1 brake unit (4) and 2 brake unit of small torque axis (5) sustainable supply high pressure oil complete the emergency brake or release work of rotary shaft
Sequence.
Wherein, accumulator (3.4) hydraulic fluid port of fast charge sustained release Storage Unit (3) is connected in parallel to No.1 check valve (3.1), section
Discharge orifice (3.2) and pressure switch (3.3).The high pressure oil that electric hydraulic pump (1.8) exports when running well can be by No.1 list
The accumulator (3.4) being quickly filled with to valve (3.1) will not generate additional overflow because of chock pressure difference, and accumulator (3.4) is oil-filled to be reached
To after maximum volume, while oil liquid pressure can be increased to, and reach the setting value of pressure switch (3.3), pressure switch (3.3)
Switch switch contact, issue electric signal, stops electric hydraulic pump (1.8) work, without hydraulic power loss, energy-saving effect is good.
Pressure oil in accumulator (3.4) is by throttle orifice (3.2), and slowly outflow is for large torque axis brake unit (4) and small torque axis
Brake unit (5) works normally, and guarantees that speed is lower when rotary shaft braking, reduces shock and vibration, has good buffering effect
Fruit.
The right oil port and electric hydaulic of manual/auto isolation check valve (4.1) of No.1 in large torque axis brake unit (4)
The high pressure fuel source output interface of source unit (1) connects, and in parallel with No.1 shut-off valve (1.11)；Manual/auto isolation check valve
(4.1) left oil port is connect with the high pressure fuel source output interface of hand-hydraulic source unit (2), while being also connected to No.1 electromagnetism side
To the hydraulic fluid port P of valve (4.4)；No.1 electromagnetic direction valve (4.4) is additionally provided with hydraulic fluid port R and hydraulic fluid port A；No.1 electromagnetic direction valve (4.4)
Hydraulic fluid port R be connected with the hydraulic fluid port P for the No.1 counterbalance valve (4.3) being connected in parallel and the hydraulic fluid port P of No. two electromagnetic direction valves (4.10)；One
The hydraulic fluid port A of number electromagnetic direction valve (4.4) is connected with No. two shut-off valves (4.5) and No. three shut-off valves (4.9) being connected in parallel；No. two
The upper hydraulic fluid port of shut-off valve (4.5) is connected in parallel to large torque axis brake fluid cylinder pressure (4.6) and No. two pressure switches (4.8)；Greatly
The piston-rod end of torque axis brake fluid cylinder pressure (4.6) is equipped with braking brake, band-type brake alignment rotation large torque axis (4.7)；Three
Number upper hydraulic fluid port of shut-off valve (4.9), the hydraulic fluid port R of electromagnetic direction valve (4.10), counterbalance valve (4.3) hydraulic fluid port R and check valve (4.2)
Upper hydraulic fluid port linked together by pipeline, the fuel tank (1.5) of the lower hydraulic fluid port of check valve (4.2) and electric hydaulic source unit (1)
It is connected by pipeline.Design, which can guarantee when having two grades of rate of release and failure in normal work, in this way has one grade of emergency to release manually
Playing function: when discharging large torque axis brake fluid cylinder pressure (4.6) with first gear speed, No. two electromagnetic direction valves (4.10) must not
Electricity, the hydraulic oil being discharged from the hydraulic fluid port R of No.1 electromagnetic direction valve (4.4) pass through the hydraulic fluid port P oil return box of No.1 counterbalance valve (4.3)
(1.5), since No.1 counterbalance valve (4.3) is set with the pressure of 1.5MPa or so, large torque axis brake fluid cylinder pressure (4.6) retract compared with
Slowly, band-type brake unclamps slowly, and large torque axis (4.7) release is steady；When with second gear speed release large torque axis brake fluid cylinder pressure
(4.6) when, No. two electromagnetic direction valves (4.10) it is electric, from the hydraulic oil that the hydraulic fluid port R of No.1 electromagnetic direction valve (4.4) is discharged from two
The hydraulic fluid port P oil return box (1.5) of number electromagnetic direction valve (4.10), drainback passage is without back pressure, large torque axis brake fluid cylinder pressure at this time
(4.6) it retracts comparatively fast, band-type brake release speed is fast, and the remaining brake force of holding tightly of large torque axis (4.7) discharges completely；When event occurs in system
When barrier, No. three shut-off valves (4.9) are opened manually, the hydraulic oil that rodless cavity is discharged when large torque axis brake fluid cylinder pressure (4.6) is retracted
By No. three shut-off valve (4.9) oil return boxes (1.5), drainback passage is retracted without back pressure, large torque axis brake fluid cylinder pressure (4.6) at this time
Comparatively fast, band-type brake release speed is fast, and the remaining brake force of holding tightly of large torque axis (4.7) discharges completely.
It is provided with two trumpeters in small torque axis brake unit (5) and moves/automatism isolation check valve (5.1), No. two manual/auto
Isolation check valve (5.1) right oil port connect with the high pressure fuel source output interface of electric hydaulic source unit (1), and with No.1 shut-off valve
1.11 in parallel；The left oil port of manual/auto isolation check valve (5.1) is connect with the hydraulic fluid port P of three-way pressure reducing valve (5.2)；Threeway subtracts
The hydraulic fluid port A of pressure valve (5.2) is connect with the high pressure fuel source output interface of hand-hydraulic source unit (2), while being connected to No. three electromagnetism
The hydraulic fluid port P of direction valve (5.3)；The hydraulic fluid port R of No. three electromagnetic direction valves (5.3) be connected in parallel No. three check valve (5.8) left oil ports and
The hydraulic fluid port R of three-way pressure reducing valve (5.2)；The right oil port of hydraulic fluid port A No. four shut-off valves (5.7) of connection of No. three electromagnetic direction valves (5.3)；
The left oil port of No. four shut-off valves (5.7) is connected in parallel small torque axis brake fluid cylinder pressure (5.6) and No. three pressure switches (5.4)；
The piston-rod end of small torque axis brake fluid cylinder pressure (5.6) is equipped with braking brake, and band-type brake alignment rotates small torque axis (5.5)；
The right oil port of No. three check valves (5.8) is connect with the fuel tank (1.5) of electric hydaulic source unit (1) by pipeline.The design can be protected
Small torque axis brake unit (5) is demonstrate,proved on the basis of sharing oil sources with large torque axis brake unit (4), it can be according to small torque axis
(5.5) the setting pressure of braking torque adjustment three-way pressure reducing valve (5.2), so as to adjust small torque axis brake fluid cylinder pressure (5.6)
Operating pressure, under the operating condition that overloads, actual working pressure be higher than three-way pressure reducing valve (5.2) setting pressure, three-way pressure reducing valve
(5.2) hydraulic fluid port A and hydraulic fluid port R is linked up, and carries out overflow pressure limiting, protects equipment.
Wherein, the bottom of fuel tank (1.5) is provided with oil drain pan (1.2), is connected with fuel tank on the upside of the oil drain pan (1.2)
(1.5), it is provided between the fuel tank (1.5) and the upper surface of oil drain pan (1.2) damping spring (1.3).The fuel tank
(1.5) inside is equipped with electronic liquid level gauge (1.4), and the side of fuel tank (1.5) is equipped with artificial observation liquidometer (1.6).Institute
The top of fuel tank (1.5) is stated, the side for being located at electric hydraulic pump (1.8) is provided with air filter (1.7).The electric hydaulic
Pump (1.8) is connected with matched ac motor (1.9).
In the present embodiment, the liquidometer and chassis installed on fuel tank and fuel tank are all made of conventional use of in this field
Fuel tank and liquidometer.The mounting means of each valve and all parts that are arranged in the present embodiment is all made of in this field often
The valve of rule and conventional mounting means；These belong to the state of the art, no longer herein to illustrate more.
Claims (9)
1. a kind of manual/auto integrated two-way rotary shaft hydraulic braking system, it is characterised in that: including electric hydaulic source unit
(1), the electric hydaulic source unit (1) is connect with hand-hydraulic source unit (2) and fast charge sustained release Storage Unit (3)；It is described
Electric hydaulic source unit (1) in be provided with fuel tank (1.5) and electric hydraulic pump (1.8), the electric hydraulic pump (1.8) is logical
It is connect inside piping and fuel tank (1.5)；It is provided with accumulator (3.4) in fast charge sustained release Storage Unit (3), the electronic liquid
Press pump (1.8) is connect by pipeline with accumulator (3.4)；The accumulator (3.4) by pipeline respectively with large torque axis system
Moving cell (4) and small torque axis brake unit (5) connection；The high pressure fuel source output interface of the hand-hydraulic source unit (2)
It is connect respectively with large torque axis brake unit (4) and small torque axis brake unit (5) by pipeline；The Manual hydraulic source list
Hand hydraulic pump (2.2) and manual direction valve (2.1) are installed on pipeline in first (2).
2. the manual/auto integrated two-way rotary shaft hydraulic braking system of one kind according to claim 1, feature exist
In: electric hydraulic pump (1.8) outlet of the electric hydaulic source unit (1) is connected with filter device (1.1), filter device
(1.1) upper hydraulic fluid port is connected with No.1 shut-off valve (1.11).
3. the manual/auto integrated two-way rotary shaft hydraulic braking system of one kind according to claim 1, feature exist
In: described accumulator (3.4) hydraulic fluid port is connected in parallel to No.1 pressure switch (3.3), No.1 check valve (3.1) and throttle orifice
(3.2).
4. the manual/auto integrated two-way rotary shaft hydraulic braking system of one kind according to claim 1, feature exist
In: the large torque axis brake unit (4) is provided with No.1 electromagnetic direction valve (4.4)；The No.1 electromagnetic direction valve
(4.4) hydraulic fluid port R, hydraulic fluid port A and hydraulic fluid port P are provided with.
5. the manual/auto integrated two-way rotary shaft hydraulic braking system of one kind according to claim 4, feature exist
In: the hydraulic fluid port R of the No.1 electromagnetic direction valve (4.4) is connected with the hydraulic fluid port P and two for the No.1 counterbalance valve (4.3) being connected in parallel
The hydraulic fluid port P of number electromagnetic direction valve (4.10)；The hydraulic fluid port A of No.1 electromagnetic direction valve (4.4) is connected with No. two cut-offs being connected in parallel
Valve (4.5) and No. three shut-off valves (4.9)；It is single that the hydraulic fluid port P of No.1 electromagnetic direction valve (4.4) is connected with the manual/auto isolation of No.1
It is connect to valve (4.1), while with the high pressure fuel source output interface of hand-hydraulic source unit (2).
6. the manual/auto integrated two-way rotary shaft hydraulic braking system of one kind according to claim 5, feature exist
In the upper hydraulic fluid ports of: No. three shut-off valves (4.9), hydraulic fluid port R, the No.1 counterbalance valve (4.3) of No. two electromagnetic direction valves (4.10)
Hydraulic fluid port R and the upper hydraulic fluid ports of No. two check valves (4.2) linked together by pipeline, the lower hydraulic fluid port of No. two check valves (4.2) with
The fuel tank (1.5) of electric hydaulic source unit (1) is connected by pipeline.
7. the manual/auto integrated two-way rotary shaft hydraulic braking system of one kind according to claim 1, feature exist
In: it is provided with two trumpeters in the small torque axis brake unit (5) and moves/automatism isolation check valve (5.1), two trumpeters
The left oil port of dynamic/automatism isolation check valve (5.1) is connect with the hydraulic fluid port P of three-way pressure reducing valve (5.2)；Three-way pressure reducing valve (5.2)
Hydraulic fluid port A is connect with the high pressure fuel source output interface of hand-hydraulic source unit (2), while being connected to No. three electromagnetic direction valves (5.3)
Hydraulic fluid port P；The hydraulic fluid port R of No. three electromagnetic direction valves (5.3) is connected with No. three check valve (5.8) left oil ports being connected in parallel and threeway
The hydraulic fluid port R of pressure reducing valve (5.2)；The right oil port of No. three check valves (5.8) and the fuel tank (1.5) of electric hydaulic source unit (1) pass through
Pipeline connection.
8. according to the manual/auto integrated two-way rotary shaft brake fluid pressure system of one kind described in any item of claim 4 or 7
System, it is characterised in that: the high pressure fuel source output interface of the hand-hydraulic source unit (2) is connect with manual direction valve (2.1).
9. the manual/auto integrated two-way rotary shaft hydraulic braking system of one kind according to claim 8, feature exist
In: the P hydraulic fluid port of the manual direction valve (2.1) is connect with hand hydraulic pump (2.2), hand hydraulic pump (2.2) with it is electronic
The fuel tank (1.5) of hydraulic source unit (1) is connected by pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910140488.0A CN109707673A (en) | 2019-02-26 | 2019-02-26 | A kind of manual/auto integrated two-way rotary shaft hydraulic braking system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910140488.0A CN109707673A (en) | 2019-02-26 | 2019-02-26 | A kind of manual/auto integrated two-way rotary shaft hydraulic braking system |
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| CN109707673A true CN109707673A (en) | 2019-05-03 |
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| CN201910140488.0A Pending CN109707673A (en) | 2019-02-26 | 2019-02-26 | A kind of manual/auto integrated two-way rotary shaft hydraulic braking system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114484056A (en) * | 2021-12-02 | 2022-05-13 | 大连大高阀门股份有限公司 | Valve control system with redundant design and control method thereof |
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