CN105626600B - A kind of gradually boosting type hydraulic intensifier - Google Patents
A kind of gradually boosting type hydraulic intensifier Download PDFInfo
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- CN105626600B CN105626600B CN201610122749.2A CN201610122749A CN105626600B CN 105626600 B CN105626600 B CN 105626600B CN 201610122749 A CN201610122749 A CN 201610122749A CN 105626600 B CN105626600 B CN 105626600B
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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 a kind of gradually boosting type hydraulic intensifier, including pressurizer shell, pressurized part（8）, commutation valve member（9）And one-way valve member；Pressurizer shell includes upper shell（1）, middle housing（2）And lower house（3）；One-way valve member is arranged on inside upper shell, including check valve I（10）, check valve II（12）With check valve III（11）；Pressurized part includes the supercharging big valve core of Split type structure（8‑1）With supercharging small valve core（8‑2）；Commutation valve member includes the commutation big valve core of Split type structure（9‑1）With commutation small valve core（9‑2）.Originally gradually boosting type hydraulic intensifier pressurized part before liquid outlet pressure reaches inlet pressure does not work, flow is larger, can fast driving load, until pressurized part work, when pressurized part works, back pressure is to progressively increase to maximum, can reduce impact, effectively improve the life-span of the hydraulic equipment that booster and booster are driven.
Description
Technical field
It is specifically a kind of to be applied to expander, clamping mechanism of clamp of machine tool etc. greatly the present invention relates to a kind of hydraulic intensifier
The gradually boosting type hydraulic intensifier of load hydraulic-driven equipment, belongs to hydraulic control equipment technology field.
Background technology
Hydraulic intensifier is generally used for the place of the pressure higher pressure that pressure ratio current standard pump can be provided, and industry sets
Fluid power system in standby is generally divided into two kinds of low-pressure system and high-pressure system, if any individual in the equipment that low-pressure system drives
Other part can make low pressure liquid using hydraulic intensifier in the case of needing high-pressure system to drive by hydraulic intensifier
Potential source obtains the high pressure even pressure of super-pressure, only need to install liquid in one oil circuit of branch in low-pressure system and on this oil circuit
The low pressure oil of low-pressure system can be just converted into pressure booster the high pressure oil of high-pressure system, using the liquid of hydraulic intensifier
Pressure system is because oil supply pressure is relatively low and most of Hydraulic Elements are in the presence of low pressure, therefore the only office of hydraulic system
There is the particular/special requirement for bearing high pressure in portion region, and this is very favorable for design, manufacture and the installation of system, while also significantly
The cost for reducing system.
Traditional hydraulic intensifier generally includes low pressure (LP) cylinder, high pressure cylinder, big valve piston, solenoid directional control valve and control electromagnetism
The signal transmitter of reversal valve, big piston end is input into low pressure oil, and valve piston end output hydraulic oil, the commutation of hydraulic intensifier passes through electricity
The frequent commutation of magnetic reversal valve realizes that solenoid directional control valve frequently commutates, magnet coil can be caused to overheat during longevity of service, no
The performance of valve is only influenceed, causes oil temperature to raise, cooling is shut down when serious, and need to be booster in the case of away from power supply
Circuit kit is separately provided, in-convenience in use；Meanwhile, the flow pulsation amount of traditional hydraulic intensifier is big, volume is larger, application
It is restricted；In addition, the movement of hydraulic intensifier high speed piston is also easy to produce high temperature, piston influence service life easy to wear is made an uproar during work
Sound is larger, and the requirement on machining accuracy of integrated integrally-built hydraulic intensifier is higher, and manufacturing cost is higher.
The content of the invention
Regarding to the issue above, the present invention provides a kind of gradually boosting type hydraulic intensifier, compact conformation, easy to process, square
Just maintenance is used and is dismounted, operating noise is reduced on the premise of automatic reverse can be realized, is increased the service life.
To achieve the above object, originally gradually boosting type hydraulic intensifier includes pressurizer shell, pressurized part, commutation valve portion
Part and one-way valve member；
Described pressurizer shell is Split type structure, including upper shell, middle housing and lower house, and the sealing of three partial shells is solid
Dingan County is fitted together；Be provided with upper shell the 6th runner, the 7th runner, the 8th runner, the 9th runner, control piston mounting holes,
Supercharging small valve core mounting hole and commutation big valve core mounting hole, are additionally provided with the interface D with the 6th flow passage on upper shell；Middle housing
Inside it is provided with second flow channel, third flow channel, the 4th runner, the 5th runner, supercharging big valve core mounting hole and commutation big valve core mounting hole；
First flow and commutation small valve core mounting hole are provided with lower house；Be additionally provided with middle housing or lower house interface A, interface B and
Interface C；The processing technology hole of each runner is sealed by runner sealing device；
Described one-way valve member is arranged on inside upper shell, including check valve I, check valve II and check valve III；Unidirectionally
Between the 6th runner and the 8th runner, the liquid feeding end of check valve I flows the position connect setting of the corresponding interface D of valve I towards the 8th
Road；The 8th described runner is connected by check valve II with interface B, and the liquid feeding end of check valve II is towards interface B；Described the 6th
Runner is connected by check valve III with interface C, and the liquid feeding end of check valve III is towards interface C；The 9th described runner one end with it is unidirectional
The liquid feeding end connection of valve II, the other end are connected with the feed liquor end face of check valve III；Described check valve I and check valve II includes
Valve body, valve element, spring, end cap, valve body are fixedly mounted in upper shell, and valve element and spring are arranged in valve body, and end cap is arranged on
The upper end of valve body；Described check valve III includes the valve body of check valve III, the valve element of check valve III, the end cap of check valve III, check valve III
Control piston, the valve body of check valve III is fixedly mounted in upper shell, and the valve body of check valve III is provided with liquid-entering hole, the valve element of check valve III
The valve inner of check valve III, the top of liquid-entering hole are arranged on, the end cap of check valve III is arranged on the valve body of check valve III, check valve III
Control piston mounting holes dimensional fits in control piston and upper shell, the correspondence valve body of check valve III on the control piston of check valve III
The position of liquid-entering hole is provided with thimble, the diameter dimension of the diameter dimension less than the liquid-entering hole of the valve body of check valve III of thimble；
Described pressurized part is arranged on inside pressurizer shell, including Split type structure valve element, valve element includes that supercharging is big
Valve element and supercharging small valve core；It is pressurized the outside dimension position of check valve I setting corresponding with upper shell and the 8th stream of small valve core
The internal diameter size of the supercharging small valve core mounting hole of road insertion coordinates, and the core body bottom of supercharging small valve core is recessed circumferentially arranged with annular
Groove；It is pressurized the supercharging big valve core mounting hole of the outside dimension supercharging small valve core installation hole machined corresponding with middle housing of big valve core
Internal diameter size coordinates, and supercharging big valve core mounting hole runs through middle housing；The 5th described runner one end and supercharging big valve core mounting hole
Top connection, the other end connects with interface A；
Described commutation valve member includes the valve element of Split type structure, and valve element includes commutation big valve core and commutation small valve core, changes
Coordinate to the outside dimension and the internal diameter size of the commutation big valve core mounting hole of processing in middle housing and upper shell of big valve core, commutation
The outside dimension of small valve core commutation big valve core corresponding with lower house installs the internal diameter chi of the commutation small valve core mounting hole of hole machined
Very little cooperation, the diameter of the diameter less than commutation big valve core of the small valve core that commutates, the core body middle part of the big valve core that commutates is circumferentially arranged with ring
Shape commutates groove, and described third flow channel one end connect with the bottom of supercharging big valve core mounting hole, the other end and the big valve core that commutates
The position connection of the annular commutation groove of mounting hole correspondence commutation big valve core, described the 4th runner be located at third flow channel top,
One end is connected with the top of supercharging big valve core mounting hole, the other end is connected with commutation big valve core mounting hole, is pacified with commutation big valve core
The annular commutation groove edge of the distance between the third flow channel of dress hole connection and the intercommunicating pore of the 4th runner less than commutation big valve core
Width dimensions on commutation big valve core axial direction；The commutation corresponding with commutation big valve core mounting hole of described second flow channel one end is big
The position connection of the annular commutation groove of valve element, the other end are connected with interface B；Described first flow one end and commutation small valve core
The bottom connection of mounting hole, the other end are connected with interface B；The 7th described runner one end and the middle part for being pressurized small valve core mounting hole
Connection, the other end are connected with the top of the commutation big valve core mounting hole in upper shell.
Scheme, is all provided with the described baseplane of upper shell and the top plane of lower house as a further improvement on the present invention
There is a guiding groove, the upper and lower surface of described middle housing is equipped with guiding groove size with upper shell and lower house and position is matched somebody with somebody
The guide rib of conjunction.
As preferred scheme of the invention, sealing ring is set in described upper shell and the guiding groove of lower house.
Scheme as a further improvement on the present invention, described supercharging big valve core, supercharging small valve core, commutation big valve core, changes
Circumferentially arranged annular oil storage tank is provided with to small valve core and control piston in the position that is slidably matched.
Used as one embodiment of the present invention, described runner sealing device includes sealing-plug and swelling ball, sealing-plug
It is horizontal barrel shaped structure, the external diameter of barrel shaped structure coordinates with the internal diameter size in the processing technology hole of runner, internal diameter and swelling ball
Outside dimension coordinate.
Scheme as a further improvement on the present invention, described check valve I and the end cap lower surface of check valve II are provided with
Guide and limit post, spring is socketed on guide and limit post.
Scheme as a further improvement on the present invention, described check valve I and the end cap upper end of check valve II are provided with interior six
Angle groove, in-line groove, institute are equipped with the valve body upper surface of described check valve I, on the valve body lower end face of check valve II
The bottom of the control piston of check valve III of the check valve III stated is provided with the cylindrical structural of projection, the described valve body of check valve III
Lower surface is provided with in-line groove.
Compared with prior art, this gradually boosting type hydraulic intensifier pressurizer shell due to be set to upper shell, in
Housing and the part of lower house three, three partial shells are fabricated respectively, and pressurized part, the valve element of commutation valve member are split
Structure, valve body and the control piston of check valve III are also Split type structure, therefore are more readily processed making, convenient use and dismounting dimension
Repair；Due to being coordinated using multiple runners and realizing pressurized part automatic reverse by the commutation valve member of inlet hydraulic control, because
The drawbacks of this is avoided using solenoid directional control valve；Originally gradually boosting type hydraulic intensifier reaches inlet pressure in liquid outlet pressure
Preceding pressurized part does not work, and flow is larger, can fast driving load, until pressurized part work, pressurized part work when, outlet
Pressure is to progressively increase to maximum, can reduce impact, effectively improve the longevity of the hydraulic equipment that booster and booster are driven
Life.
Brief description of the drawings
Fig. 1 is configuration diagram of the invention；
Fig. 2 is the configuration diagram of pressurized part of the present invention；
Fig. 3 is the configuration diagram of present invention commutation valve member；
Fig. 4 is the configuration diagram of check valve of the present invention I；
Fig. 5 is the configuration diagram of check valve of the present invention II；
Fig. 6 is the configuration diagram of check valve of the present invention III；
Fig. 7 is the configuration diagram of runner sealing device of the present invention.
In figure：1st, upper shell, 2, middle housing, 3, lower house, 4, interface A, 5, interface B, 6, interface C, 7, interface D, 8, increase
Splenium part, 8-1, supercharging big valve core, 8-2, supercharging small valve core, 9, commutation valve member, 9-1, commutation big valve core, 9-2, commutate small valve
Core, 10, check valve I, 11, check valve III, 11-1, the valve body of check valve III, 11-2, the valve element of check valve III, 11-3, the end of check valve III
Lid, 11-4, check valve III control piston, 12, check valve II, 14, runner sealing device, 14-1, sealing-plug, 14-2, swelling ball,
15th, sealing ring, 16, guide rib, L1, first flow, L2, second flow channel, L3, third flow channel, L4, the 4th runner, L5, the 5th
Runner, L6, the 6th runner, L7, the 7th runner, L8, the 8th runner, L9, the 9th runner.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings (direction with where interface D7 is as top describes below).
As shown in figure 1, this gradually boosting type hydraulic intensifier include pressurizer shell, pressurized part 8, commutation valve member 9,
And one-way valve member.
Described pressurizer shell is Split type structure, including upper shell 1, middle housing 2 and lower house 3, three partial shells point
Do not fabricate, and sealing is fixedly installed togather；The 6th runner L6, the 7th runner L7, the 8th runner are machined with upper shell 1
L8, the 9th runner L9, control piston mounting holes, supercharging small valve core mounting hole and commutation big valve core mounting hole, upper shell 1 are provided with
The interface D7 connected with the 6th runner L6；Second flow channel L2, third flow channel L3, the 4th runner L4, the 5th are machined with middle housing 2
Runner L5, supercharging big valve core mounting hole and commutation big valve core mounting hole；First flow L1 is machined with lower house 3 and commutation is small
Valve element mounting hole；Interface A4, interface B5 and interface C6 are additionally provided with middle housing 2 or lower house 3；Interface D7 is liquid outlet, interface
C6 is Unloading Control mouthful；The processing technology hole of each runner is sealed by runner sealing device 14.
Described one-way valve member is arranged on inside upper shell 1, including check valve I 10, check valve II 12 and check valve III
11；The position connect setting of the corresponding interface D7 of check valve I 10 between the 6th runner L6 and the 8th runner L8, check valve I 10
Liquid feeding end is towards the 8th runner L8；The 8th described runner L8 is connected by check valve II 12 with interface B5, check valve II 12
Liquid feeding end is towards interface B5；The 6th described runner L6 is connected by check valve III 11 with interface C6, the liquid feeding end of check valve III 11
Towards interface C6；The 9th described runner L9 one end connects with the liquid feeding end of check valve II 12, the other end and check valve III 11
Feed liquor end face is connected；As shown in Figure 4, Figure 5, described check valve I 10 and check valve II 12 include valve body, valve element, spring, end
Lid, is machined with the pipe screw thread for sealing on valve body, the screw-internal thread fit with processing on upper shell 1, and check valve is fixed on
In housing, valve element and spring are arranged in valve body, and end cap is connected through a screw thread installed in the upper end of valve body；As shown in fig. 6, described
Check valve III 11 include that the valve body 11-1 of check valve III, the valve element 11-2 of check valve III, the end cap 11-3 of check valve III, check valve III are controlled
Piston 11-4 processed, the valve body 11-1 of check valve III are arranged in upper shell 1 by threaded connection, and the valve body 11-1 of check valve III is provided with
Liquid-entering hole；The valve element 11-2 of check valve III is arranged on inside the valve body 11-1 of check valve III, the top of liquid-entering hole, the valve body of check valve III
Without spring in 11-1, the valve element 11-2 of check valve III is in free state；Check valve III controls the control in piston 11-4 and upper shell 1
Piston mounting holes dimensional fits processed, the position of the correspondence valve body 11-1 liquid-entering holes of check valve III sets on the control piston of check valve III 11-4
There are thimble, the diameter dimension of the liquid-entering hole of the diameter dimension less than the valve body 11-1 of check valve III of thimble, the thimble of elongated cylindrical
Can guarantee that top valve opening core completely and do not influence the flowing of internal liquid, the larger control piston of check valve III 11-4 of active area
Can realize that can provide larger thrust with less input pressure turns on check valve check valve III 11.
Described pressurized part 8 is arranged on inside pressurizer shell, including Split type structure valve element, as shown in Fig. 2 valve element
Including supercharging big valve core 8-1 and supercharging small valve core 8-2；The outside dimension and corresponding check valve in upper shell 1 of supercharging small valve core 8-2
The internal diameter size of the processing of I 10 positions and the 8th runner L8 insertions supercharging small valve core mounting hole coordinates, and supercharging small valve core 8-
2 core body bottom is circumferentially arranged with annular groove；The outside dimension small valve of supercharging corresponding with middle housing 2 of supercharging big valve core 8-1
The internal diameter size that core installs the supercharging big valve core mounting hole of hole machined coordinates, and supercharging big valve core mounting hole runs through middle housing 2, supercharging
The maximum boost multiple of device depends on the active area ratio of supercharging big valve core 8-1 and supercharging small valve core 8-2, can be reasonable as needed
Design the area ratio；The 5th described runner L5 one end connects with the top of supercharging big valve core mounting hole, the other end and interface A4
Connection.
As shown in figure 3, described commutation valve member 9 includes the valve element of Split type structure, valve element include commutation big valve core 9-1 and
The outside dimension of commutation small valve core 9-2, commutation big valve core 9-1 is installed with the commutation big valve core of processing in middle housing 2 and upper shell 1
The internal diameter size in hole coordinates, and the outside dimension commutation big valve core corresponding with lower house 3 of commutation small valve core 9-2 installs hole machined
The internal diameter size of commutation small valve core mounting hole coordinates, the diameter of the diameter less than commutation big valve core 9-1 of commutation small valve core 9-2, changes
To the core body middle part of big valve core 9-1 circumferentially arranged with annular commutation groove, described third flow channel L3 one end and supercharging big valve core
The bottom connection of mounting hole, the position of the annular commutation groove of other end commutation big valve core 9-1 corresponding with commutation big valve core mounting hole
Connection is put, the 4th described runner L4 is located above third flow channel L3, one end connects with the top of supercharging big valve core mounting hole, another
One end connect with commutation big valve core mounting hole, the company with the big valve core mounting hole third flow channel L3 that connects and the 4th runner L4 that commutate
Annular commutation groove of the distance between the through hole less than commutation big valve core 9-1 is along the width on commutation big valve core 9-1 axial directions
Size, when reversing valve core is located at lower end, second flow channel L2 and third flow channel L3 is turned on by annular commutation groove, works as reversal valve
When core is located at upper end, third flow channel L3 and the 4th runner L4 is turned on by annular commutation groove；Described second flow channel L2 one end
The position of the annular commutation groove of commutation big valve core 9-1 corresponding with commutation big valve core mounting hole connects, the other end and interface B5 connect
It is logical；Described first flow L1 one end is connected with the bottom of commutation small valve core mounting hole, the other end is connected with interface B5；Described
7th runner L7 one end connect with the middle part of supercharging small valve core mounting hole, the commutation big valve core installation in the other end and upper shell 1
The top connection in hole.
As shown in figure 1, originally gradually boosting type hydraulic intensifier has four interfaces, wherein interface D7 is liquid outlet, interface
C6 is Unloading Control mouthful.
During loading, interface B5 is inlet, and interface A4 and interface C6 are connected with fuel tank, and pressure oil is logical from inlet interface B
Cross the 9th runner L9, check valve III 11, the 6th runner L6 and reach interface D7, until the pressure of liquid outlet interface D7 is more than zero, this
When, the 7th runner L7 is not turned on, and the valve element of the valve member 9 that commutates is immovable, and pressure oil passes through second flow channel L2, third flow channel
L3, into the bottom of pressurized part 8, promotes the valve element of pressurized part 8 to move up, and supercharging small valve core 8-2 upper ends are pressurized
Pressure oil is not turned on the conducting of check valve I 10, check valve II 12, and the pressure oil being pressurized after check valve I 10 by continuing towards
Liquid outlet interface D7, the pressure oil being pressurized are while make the outlet pressure of check valve III 11 be more than inlet pressure, check valve III 11
It is not turned on；When supercharging small valve core 8-2 is moved upward to the 7th runner L7 by being pressurized the annular groove of small valve core 8-2 and being pressurized greatly
When the top of valve element mounting hole turns on, the upper end of commutation big valve core 9-1 is to be led by the 7th runner L7, the 5th runner L5 and fuel tank
It is logical, because the bottom of commutation small valve core 9-2 is turned on by first flow L1 and inlet interface B5, therefore commutation valve member 9
Valve element is moved up makes third flow channel L3 and the 4th runner L4 be turned on by the annular commutation groove of the big valve core 9-1 that commutates, supercharging
The hydraulic oil of big valve core 8-1 bottoms is to be back to fuel tank through L3, the 4th runner L4 and the 5th runner L5, now the He of check valve I 10
Check valve III 11 is not turned on, and the pressure oil at liquid outlet interface D7 is by pressurize, while check valve II 12 is by the pressure of inlet interface B
Power oil conducting, the pressure oil of inlet interface B is by the upper of the runner L8 of check valve II 12 and the 8th flow direction supercharging small valve cores 8-2
End, promotes the valve element of pressurized part 8 to move down；Until supercharging small valve core 8-2 is displaced downwardly to the 7th runner L7 and the 8th runner L8
During conducting, the pressure oil of inlet interface B is by check valve II 12, the 8th runner L8 and the 7th runner L7 flow direction commutation big valve core
The upper end of 9-1, due to the active area of the active area more than commutation small valve core 9-2 of commutation big valve core 9-1, therefore commutation valve portion
The valve element of part 9 is moved down；When third flow channel L3 and second flow channel L2 is turned on by the annular commutation groove of the big valve core 9-1 that commutates
When, the pressure oil of inlet interface B is pressurized the bottom of big valve core 8-1 by second flow channel L2 and third flow channel L3 flow directions, again
Promote the valve element of pressurized part 8 to move up, be not turned on the conducting of check valve I 10, check valve II 12 and check valve III 11, be pressurized
The pressure oil that small valve core 8-2 upper ends are pressurized continues towards liquid outlet by check valve I 10, circulates successively, is capable of achieving gradually to increase
Pressure, until the output pressure of liquid outlet interface D7 reaches this gradually boosting type hydraulic intensifier maximum pressure to be reached, this
Gradually the boosting type hydraulic intensifier maximum pressure to be reached depends on the face at inlet pressure and compression portion valve element two ends
Product ratio, is pressurized each time, and the total liquid volume for flowing out liquid outlet is identical, and liquid outlet pressure depends on the size of load.
During unloading, interface C6 is inlet, and interface A4 and interface B5 are connected with fuel tank, and control pressure is oily from inlet interface
C6 enters to promote to be moved on the control piston of check valve III 11-4 makes thimble open the valve element 11-2 of check valve III tops of check valve III 11, enter
And check valve III 11 is turned on, interface D7 is to be turned on by the 6th runner L6, check valve III 11, the 9th runner L9 and fuel tank, is reached
To the purpose of fast discharging.
Because described pressurizer shell is Split type structure, three partial shells are fabricated and sealed and are fixedly mounted on respectively
Together, and in upper shell 1 it is provided with supercharging small valve core mounting hole and commutation small valve core mounting hole, middle housing 2 and is correspondingly provided with supercharging
Big valve core mounting hole and commutation small valve core mounting hole, therefore in order to ensure accurate installation site, as of the invention further
Improvement project, is equipped with guiding groove, described middle housing 2 on the described baseplane of upper shell 1 and the top plane of lower house 3
Upper and lower surface be equipped with the guide rib 16 that guiding groove size with upper shell 1 and lower house 3 and position coordinate, be oriented to recessed
Groove and guide rib 16 can ensure accurate installation site, and play the guiding role when mounted, are easily installed.
Three partial shells need to set end face seal when mounted in case stopping leak reveals, and end face seal can be arranged directly on end face
Position, it is also possible to be arranged in guiding groove and guide rib 16, be not required to process in addition the mounting groove of end face seal due to the latter,
Therefore preferred the latter, i.e. set close as preferred scheme of the invention, in described upper shell 1 and the guiding groove of lower house 3
Seal 15.
It is square as a further improvement on the present invention in order to ensure each valve element and the control piston smooth slips of 11-4 of check valve III
Case, described supercharging big valve core 8-1, supercharging small valve core 8-2, commutation big valve core 9-1, commutation small valve core 9-2 and check valve III are controlled
Piston 11-4 processed is provided with circumferentially arranged annular oil storage tank in the position that is slidably matched, and annular oil storage tank can not only store oil
Fat plays lubrication, and can play a part of to balance radial load.
As one embodiment of the present invention, as shown in fig. 7, described runner sealing device 14 includes sealing-plug 14-1
With swelling ball 14-2, sealing-plug 14-1 is horizontal barrel shaped structure, and the external diameter of barrel shaped structure is interior with the processing technology hole of runner
The outside dimension of footpath dimensional fits, internal diameter and swelling ball 14-2 coordinates, and when using, sealing-plug 14-1 first is arranged on into adding for runner
In work fabrication hole, then swelling ball 14-2 is pressed into inside the sealing-plug 14-1 of barrel shaped structure, sealing-plug 14-1 by distending, and then
Realize compressing the processing technology hole inwall of runner, play sealing function.
In order to limit the maximum compressibility of the spring in check valve I 10 and check valve II 12 and spring-compressed be led
To, scheme as a further improvement on the present invention, described check valve I 10 and the end cap lower surface of check valve II 12 are provided with and lead
To limited post, spring is socketed on guide and limit post.
Repaired for the ease of dismounting, as a further improvement on the present invention scheme, described check valve I 10 and check valve II
12 end cap upper end is provided with the interior hexagonal groove for dismounting, on the valve body upper surface of described check valve I 10, check valve II 12
Valve body lower end face on be equipped with in-line groove for dismounting, the control piston of check valve III of described check valve III 11
The bottom of 11-4 is provided with the cylindrical structural of projection, and the lower surface of the described valve body 11-1 of check valve III is provided with for dismounting
In-line groove；Attendant can carry out integral installation and dismounting to check valve I 10 by the position of interface D7, can be by correspondence
The position of interface B5 carries out integral installation and dismounting to check valve II 12, can be by the interior hexagonal groove on end cap to check valve I
10 and check valve II 12 carry out demolition and maintenance, demolition and maintenance can be carried out to check valve III 11 by controlling piston mounting holes.
Originally interface A4, interface B5 when gradually boosting type hydraulic intensifier can be realized loading and be unloaded by external reversal valve
Oil circuit with interface C6 is converted.
The pressurizer shell of this gradually boosting type hydraulic intensifier is due to being set to upper shell 1, middle housing 2 and lower house 3
Three parts, three partial shells are fabricated respectively, and pressurized part 8, the valve element of commutation valve member 9 are Split type structure, unidirectionally
The valve body 11-1 of check valve III of valve III 11 is also Split type structure with the control of check valve III piston 11-4, therefore is more readily processed system
Make, convenient use and dismounting are repaired；Due to being coordinated using multiple runners and being realized by the commutation valve member 9 of inlet hydraulic control
The automatic reverse of pressurized part 8, therefore avoid the drawbacks of using solenoid directional control valve；Originally gradually boosting type hydraulic intensifier is going out liquid
Pressurized part 8 does not work before mouthful pressure reaches inlet pressure, and flow is larger, can fast driving load, until the work of pressurized part 8
Make, when pressurized part 8 works, back pressure is to progressively increase to maximum, can reduce impact, effectively improve booster and supercharging
The life-span of the hydraulic equipment that device is driven.
Claims (7)
1. one kind gradually boosting type hydraulic intensifier, including pressurizer shell, pressurized part (8), commutation valve member (9) and single
To valve member, it is characterised in that
Described pressurizer shell is Split type structure, including upper shell (1), middle housing (2) and lower house (3), three partial shells
Sealing is fixedly installed togather；The 6th runner (L6), the 7th runner (L7), the 8th runner (L8), the 9th are provided with upper shell (1)
Runner (L9), control piston mounting holes, supercharging small valve core mounting hole and commutation big valve core mounting hole, upper shell are additionally provided with (1)
The interface D (7) connected with the 6th runner (L6)；Second flow channel (L2), third flow channel (L3), the 4th stream are provided with middle housing (2)
Road (L4), the 5th runner (L5), supercharging big valve core mounting hole and commutation big valve core mounting hole；First is provided with lower house (3)
Runner (L1) and commutation small valve core mounting hole；Interface A (4), interface B (5) are additionally provided with middle housing (2) or lower house (3) and are connect
Mouth C (6)；The processing technology hole of each runner is sealed by runner sealing device (14)；
Described one-way valve member is arranged on upper shell (1) inside, including check valve I (10), check valve II (12) and check valve
Ⅲ(11)；The position connect setting of the corresponding interface D (7) of check valve I (10) between the 6th runner (L6) and the 8th runner (L8),
The liquid feeding end of check valve I (10) is towards the 8th runner (L8)；The 8th described runner (L8) is by check valve II (12) and interface B
(5) connect, the liquid feeding end of check valve II (12) is towards interface B (5)；The 6th described runner (L6) by check valve III (11) with
Interface C (6) is connected, and the liquid feeding end of check valve III (11) is towards interface C (6)；The 9th described runner (L9) one end and check valve II
(12) liquid feeding end connection, the other end are connected with the feed liquor end face of check valve III (11)；Described check valve I (10) and check valve
II (12) includes valve body, valve element, spring, end cap, and valve body is fixedly mounted in upper shell (1), and valve element and spring are arranged on valve
In vivo, end cap is arranged on the upper end of valve body；Described check valve III (11) includes the valve body of check valve III (11-1), the valve of check valve III
Core (11-2), the end cap of check valve III (11-3), check valve III control piston (11-4), the valve body of check valve III (11-1) fixed installation
In upper shell (1), the valve body of check valve III (11-1) is provided with liquid-entering hole, and the valve element of check valve III (11-2) is arranged on check valve III
Valve body (11-1) is internal, the top of liquid-entering hole, and the end cap of check valve III (11-3) is arranged on the valve body of check valve III (11-1), unidirectionally
Valve III controls the control piston mounting holes dimensional fits in piston (11-4) and upper shell (1), the control piston of check valve III (11-
4) position of correspondence check valve III valve body (11-1) liquid-entering hole is provided with thimble on, and the diameter dimension of thimble is less than the valve body of check valve III
The diameter dimension of the liquid-entering hole of (11-1)；
Described pressurized part (8) is arranged on inside pressurizer shell, including Split type structure valve element, valve element includes the big valve of supercharging
Core (8-1) and supercharging small valve core (8-2)；The outside dimension and corresponding check valve I in upper shell (1) of supercharging small valve core (8-2)
(10) position set and the internal diameter size of supercharging small valve core mounting hole of the 8th runner (L8) insertion coordinate, and be pressurized small valve
The core body bottom of core (8-2) is circumferentially arranged with annular groove；The outside dimension of supercharging big valve core (8-1) is right with middle housing (2)
The internal diameter size that the supercharging big valve core mounting hole that small valve core installs hole machined should be pressurized coordinates, during supercharging big valve core mounting hole runs through
Housing (2)；The 5th described runner (L5) one end connects with the top of supercharging big valve core mounting hole, the other end and interface A (4) connect
It is logical；
The described valve element of commutation valve member (9) including Split type structure, valve element includes commutation big valve core (9-1) and commutation small valve core
(9-2), the outside dimension of commutation big valve core (9-1) and the commutation big valve core mounting hole of processing in middle housing (2) and upper shell (1)
Internal diameter size coordinate, commutation small valve core (9-2) outside dimension it is corresponding with lower house (3) commutate big valve core installation hole machined
Commutation small valve core mounting hole internal diameter size coordinate, commutation small valve core (9-2) diameter less than commutation big valve core (9-1) it is straight
Footpath, the core body middle part of the big valve core (9-1) that commutates is circumferentially arranged with annular commutation groove, described third flow channel (L3) one end and increasing
The bottom connection of big valve core mounting hole, the annular of other end commutation big valve core (9-1) corresponding with commutation big valve core mounting hole is pressed to change
Connected to the position of groove, the 4th described runner (L4) is located at third flow channel (L3) top, one end and supercharging big valve core and installs
The top connection in hole, the other end are connected with commutation big valve core mounting hole, the third flow channel connected with commutation big valve core mounting hole
(L3) and the 4th runner (L4) the distance between intercommunicating pore it is big along commutation less than the annular commutation groove of commutation big valve core (9-1)
Width dimensions on valve element (9-1) axial direction；Big valve core mounting hole is corresponding changes with commutation for described second flow channel (L2) one end
Connected with interface B (5) to the position connection of the annular commutation groove of big valve core (9-1), the other end；Described first flow (L1)
One end is connected with the bottom of commutation small valve core mounting hole, the other end is connected with interface B (5)；The 7th described runner (L7) one end
Connected with the middle part of supercharging small valve core mounting hole, the other end is connected with the top of the commutation big valve core mounting hole in upper shell (1).
2. gradually boosting type hydraulic intensifier according to claim 1, it is characterised in that the bottom of described upper shell (1)
Guiding groove is equipped with the top plane of plane and lower house (3), the upper and lower surface of described middle housing (2) is equipped with and upper casing
The guide rib (16) that the guiding groove size and position of body (1) and lower house (3) coordinate.
3. gradually boosting type hydraulic intensifier according to claim 2, it is characterised in that described upper shell (1) and under
Sealing ring (15) is set in the guiding groove of housing (3).
4. the gradually boosting type hydraulic intensifier according to claim 1 or 2 or 3, it is characterised in that the big valve of described supercharging
Core (8-1), supercharging small valve core (8-2), commutation big valve core (9-1), commutation small valve core (9-2) and the control piston of check valve III (11-
4) it is provided with circumferentially arranged annular oil storage tank in the position that is slidably matched.
5. the gradually boosting type hydraulic intensifier according to claim 1 or 2 or 3, it is characterised in that described runner sealing
Device (14) includes sealing-plug (14-1) and swelling ball (14-2), and sealing-plug (14-1) is horizontal barrel shaped structure, barrel shaped structure
External diameter and runner processing technology hole internal diameter size coordinate, the outside dimension of internal diameter and swelling ball (14-2) coordinates.
6. the gradually boosting type hydraulic intensifier according to claim 1 or 2 or 3, it is characterised in that described check valve I
(10) and the end cap lower surface of check valve II (12) is provided with guide and limit post, spring is socketed on guide and limit post.
7. the gradually boosting type hydraulic intensifier according to claim 1 or 2 or 3, it is characterised in that described check valve I
(10) it is and the end cap upper end of check valve II (12) is provided with interior hexagonal groove, on the valve body upper surface of described check valve I (10), single
In-line groove is equipped with valve body lower end face to valve II (12), the check valve III of described check valve III (11) controls piston
The bottom of (11-4) is provided with the cylindrical structural of projection, and the lower surface of the described valve body of check valve III (11-1) is provided with in-line
Groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610122749.2A CN105626600B (en) | 2016-03-04 | 2016-03-04 | A kind of gradually boosting type hydraulic intensifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610122749.2A CN105626600B (en) | 2016-03-04 | 2016-03-04 | A kind of gradually boosting type hydraulic intensifier |
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| Publication Number | Publication Date |
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| CN105626600A CN105626600A (en) | 2016-06-01 |
| CN105626600B true CN105626600B (en) | 2017-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610122749.2A Active CN105626600B (en) | 2016-03-04 | 2016-03-04 | A kind of gradually boosting type hydraulic intensifier |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108799217A (en) * | 2018-08-03 | 2018-11-13 | 广州番禺职业技术学院 | A kind of booster |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2169722Y (en) * | 1993-04-18 | 1994-06-22 | 周龙生 | High effect energy saving pressure increasing device |
| DE10158178C1 (en) * | 2001-11-28 | 2003-07-17 | Minibooster Hydraulics As Soen | Hydraulic pressure booster |
| FR2889265A1 (en) * | 2005-07-27 | 2007-02-02 | Renault Sas | PRESSURE AMPLIFICATION DEVICE FOR A HYDRAULIC ACTUATOR LOCATED IN A THERMAL MOTOR AND MOTOR INCORPORATING SUCH A DEVICE |
| CN101666339B (en) * | 2009-09-30 | 2011-10-05 | 山东交通学院 | Hydraulic pressurizer |
| CN103883338B (en) * | 2014-03-26 | 2016-02-10 | 安徽理工大学 | A kind of hydraulic support column self-boosting system containing hydraulic intensifier |
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Address after: No. 1, Tongshan University Road, Xuzhou, Jiangsu Province, Jiangsu Patentee after: China University of Mining & Technology Address before: 221116 Jiangsu city of Xuzhou province university Quanshan District Road No. 1 Patentee before: China University of Mining & Technology |