CN108679005A - A kind of multistage Multipurpose hydraulic booster that pressure ratio is variable - Google Patents
A kind of multistage Multipurpose hydraulic booster that pressure ratio is variable Download PDFInfo
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- CN108679005A CN108679005A CN201810366010.5A CN201810366010A CN108679005A CN 108679005 A CN108679005 A CN 108679005A CN 201810366010 A CN201810366010 A CN 201810366010A CN 108679005 A CN108679005 A CN 108679005A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
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Abstract
The invention discloses the multistage Multipurpose hydraulic boosters that a kind of pressure ratio can be changed, including multi-stage booster structure division, hydraulic oil circuit and its control unit, charging fluid circuit and its control unit；Multi-stage booster structure includes hydraulic cavities, level-one booster cavity, two-stage supercharging chamber and three-level booster cavity；Hydraulic oil circuit and its control unit include solenoid travel limit switch, three-position four-way electromagnetic directional valve, controller, hydraulic oil oil inlet and driving hydraulic oil oil return opening；Charging fluid circuit and its control unit include check valve, hydraulic control one-way valve, two-position two-way electromagnetic directional valve, charging fluid entrance, non pressurized fluid outlet and charging fluid outlet.This pressure ratio changeable type multistage Multipurpose hydraulic booster may be implemented in by Multistage Control while be changed without booster under the action of controller, the high-pressure fluid for exporting different supercharging ratios non-is only limitted to water or hydraulic oil, the use scope and pressurized environment for expanding booster can achieve the effect that a device multiple pressure, multi-use.
Description
Technical field
The present invention relates to a kind of boosters, and in particular to a kind of multistage Multipurpose hydraulic booster that pressure ratio is variable belongs to
In hydraulic control device technical field.
Background technology
Fluid power system in industrial equipment is generally divided into two kinds of low-pressure system and high-pressure system, is driven in low-pressure system
Equipment in need high-pressure system to drive if any individual part, just need in low-pressure system one oil circuit of branch, on this oil circuit
Hydraulic pressure is installed and increases device, to make the low pressure oil of low-pressure system be converted into the high pressure oil even super-pressure needed for high-pressure system
Power oil, it is convenient and practical.
Traditional hydraulic intensifier includes pedestal, low pressure (LP) cylinder, connection valve, high pressure cylinder, cylinder cap, piston, plunger and electromagnetism
Reversal valve etc. controls tool, and the piston to be differed by size forms the hydraulic intensifier of different supercharging multiples from plunger, makes
With the big piston one end of hydraulic oil driving area, the plunger that it pushes area smaller is set to be moved, with the matched height of plunger
Cylinder pressure can then export high pressure liquid pressure oil.But traditional booster, such as booster on lathe can only be once pressurized,
It needs progress backhaul to be pressurized again later, cannot be continuously pressurized.And work as the boost pressure needed using different multiples
Shi Bixu carries out the dismounting of booster and replacement can be only achieved ideal effect, and disassembly process is cumbersome, time-consuming and laborious, lacks economy
And practicability.In addition, only there are one oil inlet, an oil return opening and a high pressure oil outlets mostly for traditional booster, and
Supercharging object is also only applicable to hydraulic oil, and supercharging is but cannot achieve for different fluid, limits use scope.
Invention content
In order to overcome the deficiencies in the prior art, the present invention to provide a kind of multistage Multipurpose hydraulic that pressure ratio is variable
Booster, the fluid pressurized for being suitable for driving medium different from pressurising medium, while there are a variety of supercharging multiples, it is simple in structure,
It is easy to repair, it is applied widely.
To solve the above-mentioned problems, the variable multistage Multipurpose hydraulic booster of a kind of pressure ratio of the present invention, including multistage
Pressurized construction, hydraulic oil circuit and its control unit, charging fluid circuit and its control unit；Multi-stage booster structure includes supercharging
Device shell, the high pressure cylinder cap for being connected to pressurizer shell both ends, be equipped in shell piston, mounted on piston both ends piston rod with
And valve body is connected, the fluid in charging fluid circuit uses identical or different medium from the fluid in hydraulic oil circuit；Shell
Internal piston includes transmitting piston, two level-one charged pistons, two two-stage supercharging pistons and two three-level charged pistons, is passed
Piston to be passed to be located among pressurizer shell, level-one charged piston is symmetrically connected to transmit the both sides of piston by first stage piston bar,
Two-stage supercharging piston is symmetrically connected to the both sides of level-one charged piston by second piston rod, and three-level charged piston is lived by three-level
Stopper rod is symmetrically connected to the both sides of two-stage supercharging piston, transmits piston, level-one charged piston, two-stage supercharging piston, three-level supercharging
Ratio reduces the area of piston successively, transmits piston and two level-one charged pistons respectively constitute two hydraulic oil chambers in left and right,
Two level-one charged pistons and two two-stage supercharging pistons respectively constitute left and right Liang Ge level-ones pressurized chamber, and two two-stage superchargings are lived
Plug respectively constitutes the two two-stage supercharging chambers in left and right, the high pressure of two three-level charged pistons and both sides with two three-level charged pistons
Left and right Liang Ge three-levels pressurized chamber is respectively constituted between cylinder cap；
Hydraulic oil circuit includes hydraulic oil oil inlet and hydraulic oil oil return opening, and hydraulic oil circuit control unit includes one three
Position four-way electromagnetic reversing valve, hydraulic oil enter side hydraulic oil chamber other side hydraulic pressure by oil inlet into three position four-way directional control valve is crossed
The indoor hydraulic oil of oil pocket is by three-position four-way electromagnetic directional valve oil return to hydraulic oil oil return opening；
Charging fluid circuit includes that charging fluid entrance, non pressurized fluid outlet and charging fluid outlet, charging fluid return
Road control unit includes hydraulic control one-way valve, two-position two-way electromagnetic directional valve and two position, three-way electromagnetic change valve, is entered by charging fluid
The low-pressure fluid that mouth enters respectively enters level-one pressurized chamber, two-stage supercharging chamber and three-level pressurized chamber, three two-position three ways
The right position of solenoid directional control valve is connected in parallel to wherein side hydraulic oil chamber, the left position of the first two position, three-way electromagnetic change valve and the first liquid
The control mouth for controlling check valve is connected, the control mouth phase of the left position of the second two position, three-way electromagnetic change valve and the second hydraulic control one-way valve
Even, the left position of third two position, three-way electromagnetic change valve is connected with the control mouth of third hydraulic control one-way valve；It is flowed through level-one pressurized chamber
The fluid gone out is connected with the oil inlet of the first hydraulic control one-way valve and the first two-position two-way electromagnetic directional valve respectively, through two-stage supercharging chamber
The fluid of room outflow is connected with the oil inlet of the second hydraulic control one-way valve and the second two-position two-way electromagnetic directional valve respectively, increases through three-level
The fluid of pressure chamber outflow is connected with the oil inlet of third hydraulic control one-way valve and third two-position two-way electromagnetic directional valve respectively, three
The oil outlet of hydraulic control one-way valve is connected in parallel to charging fluid outlet, and the oil outlet of three two-position two-way electromagnetic directional valves is connected in parallel to non-increasing
Press fluid outlet；
Two-position two-way electromagnetic directional valve, three-position four-way electromagnetic directional valve and the two position, three-way electromagnetic change valve is by control
Device signal control processed.
Pressurized construction part use bidirectional reciprocating motion structure and three-level pressurized construction, push both sides level-one pressurized chamber into
Row bilateral reciprocation is via the oil inlet of hydraulic oil oil inlet and the oil return of hydraulic oil oil return opening and to lean on both sides hydraulic fluid chamber institute
The hydraulic coupling of transmission the be transferred to first stage piston bar of piston of promotion；Push both sides two-stage supercharging chamber move back and forth be through
By via the oil inlet of hydraulic oil oil inlet and hydraulic oil oil return opening oil return and the transmission piston institute that is pushed by both sides hydraulic fluid chamber
First stage piston bar, two-stage supercharging piston and the hydraulic coupling on second piston rod being transmitted to；Both sides three-level booster cavity is pushed to carry out
What is moved back and forth is pushed via the oil inlet of hydraulic oil oil inlet and the oil return of hydraulic oil oil return opening and by both sides hydraulic fluid chamber
Transmit the hydraulic coupling on first stage piston bar, two-stage supercharging piston, three-level piston rod and the three-level charged piston that piston is transmitted to；
Under controller and each pipeline flow dividing collective effect, various differences can be obtained according to the variation combination of the not co-content of different booster cavities
The pressure ratio of booster combines；Hydraulic oil reaches three-position four-way electromagnetic directional valve via hydraulic oil oil inlet oil inlet, is increased to the right
When pressure, controller control three-position four-way electromagnetic directional valve is in left position, and when being pressurized to the left, controller controls 3-position 4-way electricity
Magnetic reversal valve is in right position；Chamber without supercharging need to be controlled the two-position three way magnetic valve being attached thereto by controller and be in the right side
Position participates in the circuit fluid supply that hydraulic reciprocating pushes；Need the chamber being pressurized that need to control two be attached thereto by controller
Three-way magnetic valve is in left position, to realize that the control port fluid to the hydraulic control one-way valve being attached thereto supplies, and then controls
The unlatching of the place fluid circuit of hydraulic control one-way valve；Two-position two-way electromagnetic directional valve and hydraulic control one-way valve be based on hydraulic control with it is automatically controlled
Combination carry out complementary control, two-position two-way electromagnetic directional valve in the closure state open by hydraulic control one-way valve, hydraulic control one-way valve
Two-position two-way electromagnetic directional valve is in channel status when closing, and the output of the output and low-pressure fluid that ensure high-pressure fluid is in not
Same pipeline；The two-position two-way electromagnetic directional valve is controlled with two position, three-way electromagnetic change valve using same control signal,
When two-position two-way electromagnetic directional valve is in circulation position, then two position, three-way electromagnetic change valve is in convection current position, that is, right position, and then controls
Corresponding pressurized chamber is in non pressurized state；When two-position two-way electromagnetic directional valve is in blocking position, then two-position three-way electromagnetic commutates
Valve is in oblique flow position, that is, left position, and pressurized state is in control corresponding pressurized chamber；
Further, charging fluid control loop element further includes check valve, charging fluid entrance and level-one pressurized chamber
Connected oil circuit is equipped with check valve one, and the oil circuit that charging fluid entrance is connected with two-stage supercharging chamber is equipped with check valve two,
The oil circuit that charging fluid entrance is connected with three-level pressurized chamber is equipped with check valve three；Level-one pressurized chamber and the first fluid-control one-way
Check valve four, two-stage supercharging chamber and the second liquid are set on the oil circuit that valve and the oil inlet of the first two-position two-way electromagnetic directional valve are connected
The oil circuit that control check valve and the oil inlet of the second two-position two-way electromagnetic directional valve are connected is equipped with check valve five, three-level pressurized chamber
The oil circuit being connected with the oil inlet of third hydraulic control one-way valve and third two-position two-way electromagnetic directional valve is equipped with check valve six.
The check valve that booster cavity front and rear sides are added can prevent working fluid from flowing back to pressurized chamber at different levels, ensure supercharging
Efficiency and precision.
Further, the both ends extreme position of both sides hydraulic oil chamber is equipped with solenoid travel limit switch, solenoid travel pole
Limit switch is connected with controller signals.
Transmit the contact that piston motion will touch solenoid travel limit switch to the extreme position of both ends fluid chamber, electromagnetism
Lead limit switch sends out electric signal to controller, and controller feedback signal makes its energization change to three-position four-way electromagnetic directional valve
To, oil inlet pipeline supplies hydraulic oil to the fluid chamber of the other side, complete it is primary move back and forth, then process according to this
It is moved back and forth next time, to carry out booster automatic reverse, is not necessarily to human intervention.
It is manufactured for the ease of installation, first stage piston bar, second piston rod and three-level piston rod are all made of uniform diameters.
Preferably, three-level piston rod and three-level charged piston are plunger mechanism.
In order to further increase the sealing effect of booster, the booster uses sealing element, support ring and guide ring
Carry out pilot seal；The position of two way seal is needed to use the rectangular loop being made by high abrasion ptfe composite
It is sealed with two-way building rubber compound formula slip-ring sealed ring made of O shape rubber seal groups, the position of one-way sealing is needed to adopt
With the stair ring being made by high abrasion ptfe composite and unidirectional rubber group made of O shape rubber seal groups
Box-like slip-ring sealed ring is sealed.
Compared with prior art, the present invention uses bidirectional reciprocating motion structure and three-level pressurized construction, while using double fluid
Body circuit it is achieved that different types of fluid can be used with pressurising medium in driving medium, while utilizing each control unit
So that booster is realized automatic reverse pressurization, save pressurization time, six kinds of differences can be realized automatically without pressurized part is needed to change
The Automatic-boosting of supercharging ratio expands the use scope and pressurized environment of booster, can reach multi-use, a device multiple pressure
Effect.
Description of the drawings
Fig. 1 is structure of the invention principle schematic；
In figure：1, piston is transmitted；2, solenoid travel limit switch；3, level-one charged piston；4, second piston rod；5, two level
Charged piston；6-1, check valve one；6-2, check valve two；6-3, check valve three；6-4, check valve four；6-5, check valve five；6-
6, check valve six；7-1, the first hydraulic control one-way valve；The second hydraulic control one-way valves of 7-2；7-3, third hydraulic control one-way valve；8-1, the one or two
Two electric change valves of position；8-2, the second two-position two-way electromagnetic directional valve；8-3, third two-position two-way electromagnetic directional valve；9-1,
One two position, three-way electromagnetic change valve；9-2, the second two position, three-way electromagnetic change valve；9-3, third two position, three-way electromagnetic change valve；
10, three-position four-way electromagnetic directional valve；11, controller；12, first stage piston bar；13, three-level piston rod；14, three-level charged piston；
C1, hydraulic oil chamber；C2, level-one pressurized chamber；C3, two-stage supercharging chamber；C4, three-level pressurized chamber；
P1, charging fluid entrance；P2, non pressurized fluid outlet；P3, hydraulic oil oil inlet；P4, hydraulic oil oil return opening；P5、
Charging fluid exports；
A, forking node；B afflux nodes.
Specific implementation mode
The present invention is described in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, the multistage Multipurpose hydraulic booster that a kind of pressure ratio is variable, including multi-stage booster structure, hydraulic pressure
Oil return line and its control unit, charging fluid circuit and its control unit；Multi-stage booster structure includes pressurizer shell, is connected to
It is equipped with piston, the piston rod mounted on piston both ends and connection valve body in the high pressure cylinder cap at pressurizer shell both ends, shell, increases
The fluid in fluid circuit is pressed to use identical or different medium from the fluid in hydraulic oil circuit；Piston in shell includes
1, two, the piston two-stage supercharging piston 5 of level-one charged piston 3, two and two three-level charged pistons 14 are transmitted, piston 1 is transmitted and sets
Among pressurizer shell, level-one charged piston 3 is symmetrically connected to transmit the both sides of piston 1, two level by first stage piston bar 12
Charged piston 5 is symmetrically connected to the both sides of level-one charged piston 3 by second piston rod 4, and three-level charged piston 14 passes through three-level
Piston rod 13 is symmetrically connected to the both sides of two-stage supercharging piston 5, transmit piston 1, level-one charged piston 3, two-stage supercharging piston 5,
Ratio reduces the area of three-level charged piston 14 successively, transmits piston 1 and two level-one charged pistons 3 respectively constitute left and right two
Hydraulic oil chamber C1, two level-one charged pistons 3 and two two-stage supercharging pistons point 5 Gou Cheng not left and right Liang Ge level-ones pressurized chamber
C2, two two-stage supercharging pistons 5 and two three-level charged pistons 14, which respectively constitute, controls two two-stage supercharging cavity Cs 3, two three
Left and right Liang Ge three-levels pressurized chamber C4 is respectively constituted between grade charged piston 14 and the high pressure cylinder cap of both sides；
Hydraulic oil circuit includes hydraulic oil oil inlet P 3 and hydraulic oil oil return opening P4, and hydraulic oil circuit control unit includes one
A three-position four-way electromagnetic directional valve 10, hydraulic oil enter side hydraulic oil chamber by oil inlet P 3 into three position four-way directional control valve 10 is crossed
Hydraulic oil in the hydraulic oil chamber C1 of the other sides C1 is by 10 oil return of three-position four-way electromagnetic directional valve to hydraulic oil oil return opening P4；
Charging fluid circuit includes charging fluid entrance P1, non pressurized fluid outlet P2 and charging fluid outlet P5, supercharging
Fluid circuit control unit includes hydraulic control one-way valve, two-position two-way electromagnetic directional valve and two position, three-way electromagnetic change valve, by being pressurized
The low-pressure fluid that fluid inlet P1 enters respectively enters level-one pressurized chamber C2, two-stage supercharging cavity C 3 and three-level pressurized chamber
The right position of C4, three two position, three-way electromagnetic change valves are connected in parallel to wherein side hydraulic oil chamber C1, and the first two-position three-way electromagnetic changes
It is connected to the left position of valve 9-1 with the control mouth of the first hydraulic control one-way valve 7-1, the left position of the second two position, three-way electromagnetic change valve 9-2
It is connected with the control mouth of the second hydraulic control one-way valve 7-2, left position and the third fluid-control one-way of third two position, three-way electromagnetic change valve 9-3
The control mouth of valve 7-3 is connected；Through level-one pressurized chamber C2 outflow fluid respectively with the first hydraulic control one-way valve 7-1 and the one or two
The oil inlet of two electric change valve 8-1 is connected, the fluid flowed out through two-stage supercharging cavity C 3 respectively with the second hydraulic control one-way valve
The oil inlet of 7-2 and the second two-position two-way electromagnetic directional valve 8-2 are connected, and the fluid through three-level pressurized chamber C4 outflows is respectively with the
Three hydraulic control one-way valve 7-3 are connected with the oil inlet of third two-position two-way electromagnetic directional valve 8-3, the oil outlet of three hydraulic control one-way valves
It is connected in parallel to charging fluid outlet P5, the oil outlet of three two-position two-way electromagnetic directional valves is connected in parallel to non pressurized fluid outlet P2；
Two-position two-way electromagnetic directional valve, three-position four-way electromagnetic directional valve 10 and the two position, three-way electromagnetic change valve by
11 signal of controller controls.
Pressurized construction part uses bidirectional reciprocating motion structure and three-level pressurized construction, pushes both sides level-one pressurized chamber C2
Carry out bilateral reciprocation is via 3 oil inlet of hydraulic oil oil inlet P and hydraulic oil oil return opening P4 oil returns and to lean on both sides hydraulic pressure
The hydraulic coupling for transmission 1 the be transferred to first stage piston bar 12 of piston that oil pocket C1 is pushed；Both sides two-stage supercharging chamber C3 is pushed to carry out
What is moved back and forth is via via 3 oil inlet of hydraulic oil oil inlet P and hydraulic oil oil return opening P4 oil returns and by both sides hydraulic fluid chamber
First stage piston bar 12, two-stage supercharging piston 5 and the hydraulic pressure on second piston rod 4 that the transmission piston 1 that C1 is pushed is transmitted to
Power；What promotion both sides three-level booster cavity C4 moved back and forth is via 3 oil inlet of hydraulic oil oil inlet P and hydraulic oil oil return opening P4
Oil return and first stage piston bar 12, two-stage supercharging piston that the transmission piston 1 that is pushed by both sides hydraulic fluid chamber C1 is transmitted to
5, the hydraulic coupling on three-level piston rod 13 and three-level charged piston 14；Under controller 11 and each pipeline flow dividing collective effect, root
The pressure ratio combination of various different boosters can be obtained according to the not co-content variation combination of different booster cavities；Hydraulic oil is via hydraulic pressure
3 oil inlet of oily oil inlet P reaches three-position four-way electromagnetic directional valve 10, and when being pressurized to the right, controller 11 controls 3-position 4-way electromagnetism
Reversal valve 10 is in left position, and when being pressurized to the left, controller 11 controls three-position four-way electromagnetic directional valve 10 and is in right position；It is not necessarily to
The chamber of supercharging need to control the two-position three way magnetic valve being attached thereto by controller 11 and be in right position, participate in what hydraulic reciprocating pushed
Circuit fluid supply；It needs the chamber being pressurized that need to control the two-position three way magnetic valve being attached thereto by controller 11 and is in left position,
To realize that the control port fluid to the hydraulic control one-way valve being attached thereto supplies, and then control the place fluid of hydraulic control one-way valve
The unlatching of pipeline；Two-position two-way electromagnetic directional valve is to carry out complementary control based on hydraulic control and automatically controlled combination with hydraulic control one-way valve,
Two-position two-way electromagnetic directional valve in the closure state open by hydraulic control one-way valve, and bi-bit bi-pass electromagnetism changes when hydraulic control one-way valve is closed
It is in channel status to valve, the output P2 of the output P5 and low-pressure fluid that ensure high-pressure fluid are in different pipelines；Described two
Two electric change valves of position are controlled with two position, three-way electromagnetic change valve using same control signal, when bi-bit bi-pass electromagnetism changes
Then two position, three-way electromagnetic change valve is in convection current position, that is, right position when being in circulation position to valve, and then controls corresponding pressurized chamber and be in
Non pressurized state；When two-position two-way electromagnetic directional valve is in blocking position, then it is a left side that two position, three-way electromagnetic change valve, which is in oblique flow position,
Position, pressurized state is in control corresponding pressurized chamber；
Further, charging fluid control loop element further includes check valve, charging fluid entrance P1 and level-one booster cavity
Oil circuit connected room C2 is equipped with one 6-1 of check valve, is set on the oil circuit that charging fluid entrance P1 is connected with two-stage supercharging cavity C 3
There is the oil circuit that check valve two 6-2, charging fluid entrance P1 are connected with three-level pressurized chamber C4 to be equipped with three 6-3 of check valve；Level-one
On the oil circuit that pressurized chamber C2 is connected with the oil inlet of the first hydraulic control one-way valve 7-1 and the first two-position two-way electromagnetic directional valve 8-1
If four 6-4 of check valve, two-stage supercharging cavity C 3 and the second hydraulic control one-way valve 7-2 and the second two-position two-way electromagnetic directional valve 8-2's
The connected oil circuit of oil inlet is equipped with check valve five 6-5, three-level pressurized chamber C4 and third hydraulic control one-way valve 7-3 and the three or two
The connected oil circuit of the oil inlet of two electric change valve 8-3 is equipped with six 6-6 of check valve.
The check valve that booster cavity front and rear sides are added can prevent working fluid from flowing back to pressurized chamber C2, C3, C4 at different levels,
Ensure charging efficiency and precision.
Further, the both ends extreme position of both sides hydraulic oil chamber C1 is equipped with solenoid travel limit switch 2, solenoid travel
Limit switch 2 is connected with 11 signal of controller.
Transmit piston 1 move to both ends fluid chamber extreme position will touch solenoid travel limit switch 2 contact, electricity
Magnetic lead limit switch 2 sends out electric signal to controller 11, and 11 feedback signal of controller makes to three-position four-way electromagnetic directional valve 10
Its commutation that is powered, oil inlet pipeline supply hydraulic oil to the fluid chamber of the other side, complete primary reciprocating motion, then
Process is moved back and forth next time according to this, to carry out booster automatic reverse, is not necessarily to human intervention.
It is manufactured for the ease of installation, first stage piston bar 12, second piston rod 4 and three-level piston rod 13 are all made of unified straight
Diameter.
Preferably, three-level piston rod 13 and three-level charged piston 14 are plunger mechanism.
In order to further increase the sealing effect of booster, the booster uses sealing element, support ring and guide ring
Carry out pilot seal；The position of two way seal is needed to use the rectangular loop being made by high abrasion ptfe composite
It is sealed with two-way building rubber compound formula slip-ring sealed ring made of O shape rubber seal groups, the position of one-way sealing is needed to adopt
With the stair ring being made by high abrasion ptfe composite and unidirectional rubber group made of O shape rubber seal groups
Box-like slip-ring sealed ring is sealed.
Assuming that transmitting piston diameter：Level-one charged piston diameter：Two-stage supercharging piston diameter：Three-level charged piston diameter=
8:4:2:1, then it is six kinds that can be pressurized multiple combination number, i.e., 8,4,2,8/3,8/5 and 8/6；
As shown in Figure 1, by taking booster left end oil circuit supercharging 8/5 as an example, the pressurization of this booster is sketched：
Before when load, transmits piston 1 and be in middle position, the hydraulic oil exported from hydraulic power unit reaches 3-position 4-way by P3
Solenoid directional control valve 10 programs the controller 11 finished and sends out signal to it at this time, electromagnetic coil generate electromagnetic force sliding spool from
Middle position is turned left pulling, and the therefrom position commutation left position of three-position four-way electromagnetic directional valve 10, controller signals is made to control 3-position 4-way commutation
Valve 10 is in left position, and requires the second two position, three-way electromagnetic change valve 9-2 of control to be in convection current position and figure according to pressure ratio
Right position, at the same the second bi-bit bi-pass reversal valve 8-2 be in circulation position and figure in it is upper, the first two-position two-way electromagnetic directional valve and
Third two-position two-way electromagnetic directional valve is in the left position in oblique flow position i.e. figure, while the first bi-bit bi-pass reversal valve 8-1 and
Three bi-bit bi-pass reversal valve 8-3, which are in, blocks position and bottom；
Shunting section is reached after the hydraulic oil that hydraulic oil oil inlet P 3 flows into is by the left position of three position four-way directional control valve 10
Point a, a part of hydraulic oil enter left side hydraulic oil chamber C1 by the second right positions two position, three-way electromagnetic change valve 9-2 and push transmission
Piston 1 moves right, and another part hydraulic oil is changed by the first two position, three-way electromagnetic change valve 9-1 and third two-position three-way electromagnetic
The control port that the first hydraulic control one-way valve 7-1 and third hydraulic control one-way valve 7-3 are separately flowed into the left position of valve 9-3, to control
Two hydraulic control one-way valves are opened；It waits for that charging fluid enters by charging fluid entrance (P1), passes through check valve one, check valve respectively
Two, check valve three flows into level-one pressurized chamber C2, two-stage supercharging cavity C 3 and three-level pressurized chamber C4 and carries out imbibition process；Work as biography
When passing piston 1 and being moved to right limit position, controller controls the commutation of three-position four-way electromagnetic directional valve 10 to right position, and hydraulic oil pushes away
Dynamic transmission piston 1, which is moved to the left, to be started to pressurize；Wherein, the fluid flowed out after level-one pressurized chamber C2 superchargings passes through check valve successively
Four, hydraulic control one-way valve one, three-level pressurized chamber C4 fluids after supercharged successively pass through check valve six, hydraulic control one-way valve three, two
Charging fluid arrives at after reaching afflux node b at charging fluid outlet P5, is ready for supply arrangement use；And two-stage supercharging chamber
Room C3 outflow fluid arrived at after check valve five, the second bi-bit bi-pass reversal valve 8-2 successively non pressurized fluid outlet P2 into
Row devil liquor recovery, whether optionally being reused；Similarly, remaining required supercharging multiple then presses above-mentioned process analogy
It carries out.
When unloading, controller 11 sends out signal control three-position four-way electromagnetic directional valve 10, and electromagnetic coil generates electromagnetic force handle
Sliding spool is discharged from both sides position to middle position, makes three-position four-way electromagnetic directional valve 10 position, remaining all electromagnetism from the commutation of both sides position
Reversal valve simultaneously set, at this time booster be stopped.
Claims (6)
1. a kind of variable multistage Multipurpose hydraulic booster of pressure ratio, including multi-stage booster structure, hydraulic oil circuit and its control
Component, charging fluid circuit and its control unit processed；Multi-stage booster structure includes pressurizer shell, is connected to pressurizer shell two
Piston, the piston rod mounted on piston both ends and connection valve body are equipped in the high pressure cylinder cap at end, shell, which is characterized in that increase
The fluid in fluid circuit is pressed to use identical or different medium from the fluid in hydraulic oil circuit；Piston in shell includes
Piston (1), two level-one charged pistons (3), two two-stage supercharging pistons (5) and two three-level charged pistons (14) are transmitted, are passed
It passs piston (1) to be located among pressurizer shell, level-one charged piston (3) is symmetrically connected to transmit and live by first stage piston bar (12)
The both sides of (1) are filled in, two-stage supercharging piston (5) is symmetrically connected to the both sides of level-one charged piston (3) by second piston rod (4),
Three-level charged piston (14) is symmetrically connected to the both sides of two-stage supercharging piston (5) by three-level piston rod (13), transmits piston
(1), the area ratio reduction successively of level-one charged piston (3), two-stage supercharging piston (5), three-level charged piston (14), transmits and lives
Plug (1) respectively constitutes two hydraulic oil chambers (C1) in left and right, two level-one charged pistons (3) with two level-one charged pistons (3)
Left and right Liang Ge level-ones pressurized chamber (C2), two two-stage supercharging pistons (5) and two are not constituted with two two-stage supercharging pistons point (5)
A three-level charged piston (14) respectively constitutes the two two-stage supercharging chambers (C3) in left and right, two three-level charged pistons (14) and both sides
High pressure cylinder cap between respectively constitute left and right Liang Ge three-levels pressurized chamber (C4)；
Hydraulic oil circuit includes hydraulic oil oil inlet (P3) and hydraulic oil oil return opening (P4), and hydraulic oil circuit control unit includes one
A three-position four-way electromagnetic directional valve (10), hydraulic oil enter side hydraulic pressure by oil inlet (P3) into three position four-way directional control valve (10) is crossed
Hydraulic oil in oil-in chamber (C1) other side hydraulic oil chamber (C1) is by three-position four-way electromagnetic directional valve (10) oil return to hydraulic pressure
Oily oil return opening (P4)；
Charging fluid circuit includes charging fluid entrance (P1), non pressurized fluid outlet (P2) and charging fluid outlet (P5), is increased
It includes hydraulic control one-way valve, two-position two-way electromagnetic directional valve and two position, three-way electromagnetic change valve to press fluid circuit control unit, by increasing
The low-pressure fluid that pressure fluid inlet (P1) enters respectively enters level-one pressurized chamber (C2), two-stage supercharging chamber (C3) and three-level and increases
Press chamber (C4), the right positions of three two position, three-way electromagnetic change valves is connected in parallel to wherein side hydraulic oil chamber (C1), the one or two
The left position of three-way solenoid valve (9-1) is connected with the control mouth of the first hydraulic control one-way valve (7-1), and the second two-position three-way electromagnetic changes
It is connected to the left position of valve (9-2) with the control mouth of the second hydraulic control one-way valve (7-2), third two position, three-way electromagnetic change valve (9-3)
Left position be connected with the control mouth of third hydraulic control one-way valve (7-3)；Fluid through level-one pressurized chamber (C2) outflow is respectively with the
One hydraulic control one-way valve (7-1) is connected with the oil inlet of the first two-position two-way electromagnetic directional valve (8-1), through two-stage supercharging chamber (C3)
The fluid of outflow is connected with the oil inlet of the second hydraulic control one-way valve (7-2) and the second two-position two-way electromagnetic directional valve (8-2) respectively,
Through three-level pressurized chamber (C4) outflow fluid respectively with third hydraulic control one-way valve (7-3) and third two-position two-way electromagnetic directional valve
The oil inlet of (8-3) is connected, and the oil outlet of three hydraulic control one-way valves is connected in parallel to charging fluid outlet (P5), three bi-bit bi-pass electricity
The oil outlet of magnetic reversal valve is connected in parallel to non pressurized fluid outlet (P2)；
Two-position two-way electromagnetic directional valve, three-position four-way electromagnetic directional valve (10) and the two position, three-way electromagnetic change valve is by control
Device (11) signal control processed.
2. the variable multistage Multipurpose hydraulic booster of pressure ratio as described in claim 1, which is characterized in that charging fluid returns
Road control unit further includes check valve, and the oil circuit that charging fluid entrance (P1) is connected with level-one pressurized chamber (C2) is equipped with unidirectional
Valve one (6-1), the oil circuit that charging fluid entrance (P1) is connected with two-stage supercharging chamber (C3) are equipped with check valve two (6-2), increase
The oil circuit that pressure fluid inlet (P1) is connected with three-level pressurized chamber (C4) is equipped with check valve three (6-3)；Level-one pressurized chamber
(C2) it is set on the oil circuit being connected with the oil inlet of the first hydraulic control one-way valve (7-1) and the first two-position two-way electromagnetic directional valve (8-1)
Check valve four (6-4), two-stage supercharging chamber (C3) and the second hydraulic control one-way valve (7-2) and the second two-position two-way electromagnetic directional valve
The connected oil circuit of the oil inlet of (8-2) is equipped with check valve five (6-5), three-level pressurized chamber (C4) and third hydraulic control one-way valve
The oil circuit that (7-3) is connected with the oil inlet of third two-position two-way electromagnetic directional valve (8-3) is equipped with check valve six (6-6).
3. the variable multistage Multipurpose hydraulic booster of pressure ratio as claimed in claim 2, which is characterized in that both sides hydraulic oil
The both ends extreme position of chamber (C1) is equipped with solenoid travel limit switch (2), solenoid travel limit switch (2) and controller (11)
Signal is connected.
4. the variable multistage Multipurpose hydraulic booster of pressure ratio as claimed in claim 3, which is characterized in that first stage piston bar
(12), second piston rod (4) and three-level piston rod (13) are all made of uniform diameters.
5. the variable multistage Multipurpose hydraulic booster of pressure ratio as claimed in claim 4, which is characterized in that three-level piston rod
(13) and three-level charged piston (14) is plunger mechanism.
6. the variable multistage Multipurpose hydraulic booster of pressure ratio according to any one of claims 1 to 5, feature
It is, the booster carries out pilot seal using sealing element, support ring and guide ring；The position of two way seal is needed to use
The rectangular loop be made by high abrasion ptfe composite and two-way building rubber compound made of O shape rubber seal groups
Formula slip-ring sealed ring is sealed, and is needed the position of one-way sealing to use and is made by high abrasion ptfe composite
Stair ring be sealed with unidirectional building rubber compound formula slip-ring sealed ring made of O shape rubber seal groups.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810366010.5A CN108679005B (en) | 2018-04-23 | 2018-04-23 | A kind of multistage Multipurpose hydraulic booster that pressure ratio is variable |
| RU2020106832A RU2737073C1 (en) | 2018-04-23 | 2018-09-21 | Multistage multipurpose hydraulic supercharger with controlled pressure |
| JP2020510603A JP6799238B2 (en) | 2018-04-23 | 2018-09-21 | Multi-stage, multi-purpose hydraulic booster with variable pressure booster |
| PCT/CN2018/106900 WO2019205471A1 (en) | 2018-04-23 | 2018-09-21 | Multi-stage multipurpose hydraulic pressurizer with variable pressurization rate |
| CA3072526A CA3072526C (en) | 2018-04-23 | 2018-09-21 | Multipurpose multi-stage hydraulic pressurizer with variable pressurization rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810366010.5A CN108679005B (en) | 2018-04-23 | 2018-04-23 | A kind of multistage Multipurpose hydraulic booster that pressure ratio is variable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108679005A true CN108679005A (en) | 2018-10-19 |
| CN108679005B CN108679005B (en) | 2019-08-27 |
Family
ID=63801184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810366010.5A Active CN108679005B (en) | 2018-04-23 | 2018-04-23 | A kind of multistage Multipurpose hydraulic booster that pressure ratio is variable |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6799238B2 (en) |
| CN (1) | CN108679005B (en) |
| CA (1) | CA3072526C (en) |
| RU (1) | RU2737073C1 (en) |
| WO (1) | WO2019205471A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679008A (en) * | 2018-07-19 | 2018-10-19 | 江苏师范大学 | A kind of continuous output booster and control method of changeable pressure ratio |
| CN109764013A (en) * | 2019-01-28 | 2019-05-17 | 华北电力大学 | Motor synchronizing multistage hydraulic cylinder hydraulic potential energy converting and energy device |
| CN111637109A (en) * | 2020-06-16 | 2020-09-08 | 凯盛重工有限公司 | Multi-oil-cylinder related accurate positioning system |
| CN114458644A (en) * | 2021-11-04 | 2022-05-10 | 中国海洋石油集团有限公司 | Using method of energy-saving supercharger |
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- 2018-04-23 CN CN201810366010.5A patent/CN108679005B/en active Active
- 2018-09-21 RU RU2020106832A patent/RU2737073C1/en active
- 2018-09-21 WO PCT/CN2018/106900 patent/WO2019205471A1/en active Application Filing
- 2018-09-21 JP JP2020510603A patent/JP6799238B2/en active Active
- 2018-09-21 CA CA3072526A patent/CA3072526C/en active Active
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| JPS58102804A (en) * | 1981-12-11 | 1983-06-18 | Nippon Pneumatic Kogyo Kk | Cylinder unit with booster and oil pressure circuit for operating the same |
| CN101666339A (en) * | 2009-09-30 | 2010-03-10 | 山东交通学院 | Hydraulic pressurizer |
| CN102562686A (en) * | 2010-12-08 | 2012-07-11 | 西安众智惠泽光电科技有限公司 | Hydraulic system for double-acting supercharger |
| CN202301232U (en) * | 2011-09-19 | 2012-07-04 | 宁波汉商液压有限公司 | Double-effect reciprocating hydraulic pressure booster |
| CN102602020A (en) * | 2012-03-29 | 2012-07-25 | 苏州市科林除尘设备有限公司 | Wire-wound hydraulic press with reciprocating multistage supercharger |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108679008A (en) * | 2018-07-19 | 2018-10-19 | 江苏师范大学 | A kind of continuous output booster and control method of changeable pressure ratio |
| CN109764013A (en) * | 2019-01-28 | 2019-05-17 | 华北电力大学 | Motor synchronizing multistage hydraulic cylinder hydraulic potential energy converting and energy device |
| CN109764013B (en) * | 2019-01-28 | 2021-05-11 | 华北电力大学 | Hydraulic potential energy conversion device of self-synchronizing multistage hydraulic cylinder |
| CN111637109A (en) * | 2020-06-16 | 2020-09-08 | 凯盛重工有限公司 | Multi-oil-cylinder related accurate positioning system |
| CN114458644A (en) * | 2021-11-04 | 2022-05-10 | 中国海洋石油集团有限公司 | Using method of energy-saving supercharger |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019205471A1 (en) | 2019-10-31 |
| JP6799238B2 (en) | 2020-12-16 |
| RU2737073C1 (en) | 2020-11-24 |
| CA3072526C (en) | 2023-01-24 |
| JP2020527216A (en) | 2020-09-03 |
| CN108679005B (en) | 2019-08-27 |
| CA3072526A1 (en) | 2019-10-31 |
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