CN207278608U - A kind of reciprocating-type supercharger reversing arrangement and its application - Google Patents
A kind of reciprocating-type supercharger reversing arrangement and its application Download PDFInfo
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- CN207278608U CN207278608U CN201720584115.9U CN201720584115U CN207278608U CN 207278608 U CN207278608 U CN 207278608U CN 201720584115 U CN201720584115 U CN 201720584115U CN 207278608 U CN207278608 U CN 207278608U
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Abstract
A kind of reciprocating-type supercharger reversing arrangement, including pilot operated directional control valve, further include fluid-control one-way valve group, pilot operated directional control valve both sides pilot port is connected by the fluid-control one-way valve group with oil feed line, each hydraulic control one-way valve pilot port is connected with pressurized cylinder piston chamber control mouth in the fluid-control one-way valve group, and each pressurized cylinder control mouth sets one-way throttle valve.In the utility model, hydraulic cylinder is commutated by hydraulic control individual event valve group indirect control pilot operated directional control valve, and since fluid needed for hydraulic control one-way valve guide is less, the loss of intensifier piston cavity pressure is minimum, does not influence its normal pressure output；Plunger shaft control mouth sets individual throttle valve, the normally gentle oil return of its pilot port is made on the premise of hydraulic control one-way valve opening speed is not influenced, effectively avoiding plunger shaft from being in negative pressure state causes hydraulic control one-way valve to be closed too early, so that pilot operated directional control valve smoothly commutates.
Description
Technical field
The utility model is related to a kind of hydraulic commutator, more particularly to a kind of reciprocating-type supercharger reversing arrangement and its should
With.
Background technology
Nowadays hydraulic intensifier is widely used in industrial every field, wherein, reciprocating-type supercharger is due to need not
Automatically controlled, utilization rate is higher.Reciprocating-type supercharger is matched with special reversing arrangement, such as 2015206405567 disclosure of Chinese patent
A kind of liquid controlled reversing device, it uses check valve and hydraulic control one-way valve combining structure, and by booster, guide triggers, and makes commutation
Valve side pilot port connection guide oil, opposite side pilot port pressure release, persistently commutates so as to fulfill to booster, but in actual motion
During, easily there arises a problem that：1st, in reversal valve commutation process, plunger shaft and oil feed line corresponding to the side pilot port that commutates
Disconnect, but piston still maintains motion state under effect of inertia, and at this time, above-mentioned plunger shaft is in negative pressure state, fluid-control one-way
Guide oil causes hydraulic control one-way valve to be closed in advance by moment extraction in valve, and change-over valve core is stuck in middle position, commutation failure；2nd, due to
Reversal valve pilot port is connected with intensifier piston chamber, and pilot operated directional control valve commutation needs more guide's fluid, therefore is changed at it
Xiang Shi, is easy to cause intensifier piston chamber decompression, so as to pressure oscillation occur in output terminal, influences supercharging effect.
The content of the invention
In view of the deficiencies of the prior art, the utility model provides a kind of reciprocating-type supercharger commutation that is reliable and stablizing that commutates
Device.
The technical solution adopted in the utility model is：A kind of reciprocating-type supercharger reversing arrangement, including pilot operated directional control valve, also
Including fluid-control one-way valve group, pilot operated directional control valve both sides pilot port is connected by the fluid-control one-way valve group with oil feed line,
Each hydraulic control one-way valve pilot port is connected with pressurized cylinder piston chamber control mouth in the fluid-control one-way valve group, and each pressurized cylinder control mouth is set
Put one-way throttle valve.
A kind of reciprocating-type supercharger reversing arrangement, it is characterized in that：The fluid-control one-way valve group includes the first hydraulic control
Check valve, the second hydraulic control one-way valve, the 3rd hydraulic control one-way valve, the 4th hydraulic control one-way valve, the pressurized cylinder piston chamber include left work
Plug chamber and right piston chamber, first hydraulic control one-way valve, the second hydraulic control one-way valve pilot port pass through one-way throttle valve and left supercharging
Chamber control mouth connects, and the 3rd pilot operated directional control valve, the 4th hydraulic control one-way valve pilot port pass through one-way throttle valve and right booster cavity
Control mouth connects, and the left pilot port of pilot operated directional control valve is connected with oil feed line by first pilot operated directional control valve, passes through institute
The 3rd pilot operated directional control valve is stated to be connected with drain line, the right pilot port of pilot operated directional control valve by second pilot operated directional control valve with
Drain line is connected, is connected by the 4th pilot operated directional control valve with oil feed line.
A kind of reciprocating-type supercharger, it is characterized in that：Including the first pressurized cylinder and the reciprocating-type supercharger reversing arrangement, institute
State the first pressurized cylinder matching the first pilot operated directional control valve, first pressurized cylinder or so plunger shaft and automatic control mouth is set, left piston chamber is certainly
Control mouth and connect first hydraulic control one-way valve, the second hydraulic control one-way valve pilot port, right piston chamber automatic control mouth connects the 3rd liquid
Check valve, the 4th hydraulic control one-way valve pilot port are controlled, plunger shaft automatic control mouth in left and right sets one-way throttle valve, first liquid controlled reversing
The left pilot port of valve connects the first hydraulic control one-way valve and is connected the second hydraulic control one-way valve and the 4th with the 3rd hydraulic control one-way valve, right pilot port
Hydraulic control one-way valve.
A kind of list is controlled more freely changes reciprocating booster, it is characterized in that：Including at least two pressurized cylinders, the pressurized cylinder is suitable
Sequence arranges, each pressurized cylinder matching pilot operated directional control valve and the reciprocating-type supercharger reversing arrangement, the left and right piston of the pressurized cylinder
Chamber sets automatic control mouth and outside control mouth, and each hydraulic control one-way valve pilot port connects its matched pressurized cylinder of institute in the fluid-control one-way valve group
Automatic control mouth and upper order booster outside control mouth, break-make is set between automatic control mouth, outside control mouth and pilot operated directional control valve pilot port respectively
Valve, automatic control mouth, outside control mouth set one-way throttle valve.
A kind of list is controlled more freely changes reciprocating booster, it is characterized in that：The on-off valve is bidirectional locking valve
Group, the hydraulic control one-way valve that the bidirectional locking valve group is connected and is oppositely arranged by two form, and hydraulic control one-way valve pilot port passes through
Switching valve connects oil feed line, and the bidirectional locking valve group pilot port for matching different control mouths connects the switching valve difference hydraulic fluid port.
A kind of list is controlled more freely changes reciprocating booster, it is characterized in that：The switching valve is two-position four-way electromagnetism
Reversal valve, its P mouthfuls of connection oil feed line, T mouthfuls of connection oil return lines, A, B mouthfuls connection and automatic control mouth, outside control mouth are matched double respectively
To locking valve group pilot port.
In the utility model, hydraulic cylinder is commutated by hydraulic control individual event valve group indirect control pilot operated directional control valve, due to hydraulic control list
Less to fluid needed for valve guide, the loss of intensifier piston cavity pressure is minimum, does not influence its normal pressure output；Plunger shaft
Control mouth sets individual throttle valve, its pilot port is normally gently returned on the premise of hydraulic control one-way valve opening speed is not influenced
Oil, effectively avoiding plunger shaft from being in negative pressure state causes hydraulic control one-way valve to be closed too early, so that pilot operated directional control valve smoothly commutates.
Brief description of the drawings
Fig. 1 is one schematic diagram of the utility model embodiment；
Fig. 2 is two schematic diagram of the utility model embodiment；
Fig. 3 is three schematic diagram of the utility model embodiment；
Fig. 4 is four schematic diagram of the utility model embodiment；
In figure：The first pressurized cylinders of 1-, the second pressurized cylinders of 2-, the first pilot operated directional control valves of 3-, the second pilot operated directional control valves of 4-, 5-
One on-off valve, the second on-off valves of 6-, the first solenoid directional control valves of 7-, 8- fluid-control one-way valve groups, 9- one-way throttle valves, the electricity of 10- second
Magnetic reversal valve, the first hydraulic control one-way valves of 11-, the second hydraulic control one-way valves of 12-, the 3rd hydraulic control one-way valves of 13-, the 4th hydraulic control lists of 14-
To valve, 15- bidirectional locking valve groups, 16- Solenoid ball valves, 17- left piston chambers, 18- right piston chambers, 19- automatic control mouths, 20- outside control mouths,
The 3rd pressurized cylinders of 21-, the 3rd pilot operated directional control valves of 22-, the 3rd on-off valve of 23-.
Embodiment
Embodiment one：
As shown in Figure 1, a kind of reciprocating-type supercharger, including the first pressurized cylinder 1, the first pilot operated directional control valve 3, hydraulic control one-way valve
Group 8.Fluid-control one-way valve group 8 includes the first hydraulic control one-way valve 11, the second hydraulic control one-way valve 12, the 3rd hydraulic control one-way valve the 13, the 4th
Hydraulic control one-way valve 14.First pressurized cylinder includes left piston chamber 17 and right piston chamber 18, and left and right plunger shaft opens automatic control mouth 19.First liquid
Control reversal valve 3 is two-position four-way pilot operated directional control valve, and A, B mouthfuls connect 1 or so piston resonator end surface of the first pressurized cylinder, left side guide respectively
Mouth the first hydraulic control one-way valve 11 of connection and the 3rd hydraulic control one-way valve 13, right side pilot port connect the second hydraulic control one-way valve 12 and the 4th
Hydraulic control one-way valve 14, the first hydraulic control one-way valve 11 and the 4th hydraulic control one-way valve 14 connection oil feed line, the second hydraulic control one-way valve 12
Oil return line is connected with the 3rd hydraulic control one-way valve 13, the first hydraulic control one-way valve 11 and 12 pilot port of the second hydraulic control one-way valve pass through list
Left booster cavity automatic control mouth is connected to throttle valve 9, the 3rd hydraulic control one-way valve 13 and the 4th hydraulic control one-way valve 14 pass through one-way throttle valve
Connect right booster cavity automatic control mouth.
When booster works, the first P mouthfuls of pilot operated directional control valve is logical with B mouthfuls, and T mouthfuls logical with A mouthfuls, and oil feed line pressure oil enters
First pressurized cylinder right piston chamber, promotes piston to be moved to the left, and when exposing right piston chamber automatic control mouth, right piston cavity pressure oil is logical
Cross one-way throttle valve and enter the 3rd hydraulic control one-way valve and the 4th hydraulic control one-way valve pilot port, the 3rd hydraulic control one-way valve, the 4th hydraulic control
Check valve is opened, and pressure oil enters pilot port on the right side of the first pilot operated directional control valve by the 4th hydraulic control one-way valve in oil feed line, the
Pilot port connects oil return line draining, the commutation of the first pilot operated directional control valve, P by the 3rd hydraulic control one-way valve on the left of one pilot operated directional control valve
Mouthful with A mouthful it is logical, T mouthful and B mouthfuls lead to, and oil feed line pressure oil enters the first pressurized cylinder left piston chamber, and piston moves right, when exposing
During left piston chamber automatic control mouth, left piston cavity pressure oil enters the first hydraulic control one-way valve and the second hydraulic control list by one-way throttle valve
To valve pilot port, pressure oil enters pilot port on the left of the first pilot operated directional control valve by the first hydraulic control one-way valve in oil feed line, the
Pilot port connects oil return line draining, the commutation of the first pilot operated directional control valve, P by the second hydraulic control one-way valve on the right side of one pilot operated directional control valve
Mouth is logical with B mouthfuls, and T mouthfuls logical with A mouthfuls, so moves in circles, makes pressure continue to export.
Embodiment two：
As shown in Fig. 2, a kind of list is controlled more freely changes reciprocating booster, including the first pressurized cylinder 1, the second pressurized cylinder 2, the
One pilot operated directional control valve 3, the second pilot operated directional control valve 4, every group of pressurized cylinder, pilot operated directional control valve matching hydraulic control one-way valve group 8, fluid-control one-way
Valve group 8 include the first hydraulic control one-way valve 11, the second hydraulic control one-way valve 12, the 3rd hydraulic control one-way valve 13, the 4th hydraulic control one-way valve 14,
Pressurized cylinder includes left piston chamber 17 and right piston chamber 18, the first pressurized cylinder or so plunger shaft opens automatic control mouth 19 and outside control mouth 20, outside
Control mouth is located on the outside of automatic control mouth, and second pressurized cylinder or so plunger shaft opens automatic control mouth.First pilot operated directional control valve 3 is two-position four-way hydraulic control
Reversal valve, A, B mouthfuls connect 1 or so piston resonator end surface of the first pressurized cylinder respectively, and left side pilot port connects the first hydraulic control one-way valve 11
With the 3rd hydraulic control one-way valve 13, right side pilot port connects the second hydraulic control one-way valve 12 and the 4th hydraulic control list by the first on-off valve 5
To valve 14, the first on-off valve 5 is solenoid valve.First hydraulic control one-way valve 11 and the 4th hydraulic control one-way valve 14 connection oil feed line, the
Two hydraulic control one-way valves 12 and the 3rd hydraulic control one-way valve 13 connection oil return line, the first hydraulic control one-way valve 11 and the second hydraulic control one-way valve
12 pilot ports connect the left booster cavity automatic control mouth of the first pressurized cylinder, the 3rd hydraulic control one-way valve 13 and the 4th hydraulic control by one-way throttle valve
Check valve 14 connects the right booster cavity automatic control mouth of the first pressurized cylinder by one-way throttle valve.Second pressurized cylinder 2, the second pilot operated directional control valve
4,6 structure of the second on-off valve and connection method are same as above.In the matched fluid-control one-way valve group of the institute of second pressurized cylinder 2, the first hydraulic control list
To valve 11,12 pilot port of the second hydraulic control one-way valve connection 1 left piston chamber outside control mouth of the first pressurized cylinder and 2 left piston of the second pressurized cylinder
Chamber automatic control mouth, wherein, one-way throttle valve 9 and reversible lock are set respectively between the first pressurized cylinder, the second pressurized cylinder left piston chamber
Only valve group 15；3rd hydraulic control one-way valve 13,14 pilot port of the 4th hydraulic control one-way valve connection 1 right piston chamber outside control mouth of the first pressurized cylinder
With 2 right piston chamber automatic control mouth of the second pressurized cylinder, wherein, set respectively between the first pressurized cylinder, the second pressurized cylinder right piston chamber
One-way throttle valve and bidirectional locking valve group；The hydraulic control one-way valve that bidirectional locking valve group 15 is connected and is oppositely arranged by two forms,
Wherein, the A mouths of the first solenoid directional control valve 7 are connected with the matched bidirectional locking valve group pilot port of 1 outside control mouth of the first pressurized cylinder, with
The matched bidirectional locking valve group pilot port of two pressurized cylinders, 2 automatic control mouth connects the B mouths of the first solenoid directional control valve 7, the first electromagnetic switch
Valve 7 is two-position four-way solenoid directional control valve, its P mouthfuls of connection oil feed line, T mouthfuls connect oil return lines.
When only needing the first supercharging cylinder working, 5 left side electromagnet of the first on-off valve obtains electric, 6 right side electromagnetism of the second on-off valve
Iron obtains electric.The P mouths of first pilot operated directional control valve 3 are logical with B mouthfuls, and T mouthfuls logical with A mouthfuls, and it is right that oil feed line pressure oil enters the first pressurized cylinder
Plunger shaft, promotes piston to be moved to the left, when exposing right piston chamber automatic control mouth, right piston cavity pressure oil passes through one-way throttle valve
Into the 3rd hydraulic control one-way valve and the 4th hydraulic control one-way valve pilot port, the 3rd hydraulic control one-way valve, the 4th hydraulic control one-way valve are opened, and are supplied
In oil pipe line pressure oil by the 4th hydraulic control one-way valve, the first shut-off valve enter the first pilot operated directional control valve on the right side of pilot port, first
Pilot port connects oil return line draining by the 3rd hydraulic control one-way valve on the left of pilot operated directional control valve, and the first pilot operated directional control valve commutates, P mouthfuls
Logical with A mouthfuls, T mouthful lead to B mouthfuls, and oil feed line pressure oil enters the first pressurized cylinder left piston chamber, and piston moves right, when exposing a left side
During plunger shaft automatic control mouth, left piston cavity pressure oil enters the first hydraulic control one-way valve and the second fluid-control one-way by one-way throttle valve
Valve pilot port, pressure oil enters pilot port on the left of the first pilot operated directional control valve by the first hydraulic control one-way valve in oil feed line, and first
Pilot port connects oil return line draining by the second hydraulic control one-way valve on the right side of hydraulic control one-way valve, and the first pilot operated directional control valve commutates, P mouthfuls
Logical with B mouthfuls, T mouthfuls logical with A mouthfuls, so moves in circles, makes pressure continue to export.
When needing the first pressurized cylinder, when the second pressurized cylinder works at the same time, the first on-off valve 5, the second on-off valve 6, first are electric
7 left side electromagnet of magnetic reversal valve obtain it is electric, the P mouths of the first pilot operated directional control valve 3 and B mouthful it is logical, T mouthful and A mouthfuls lead to, the second pilot operated directional control valve
4 P mouths are logical with B mouthfuls, and T mouthfuls logical with A mouthfuls, and the P mouths of the first solenoid directional control valve 7 are logical with A mouthfuls, and T mouthfuls logical with B mouthfuls, oil feed line pressure
Oil enters the first pressurized cylinder, the second pressurized cylinder right piston chamber, promotes two pressurized cylinder pistons to be moved to the left, pressure oil in oil feed line
Its A mouthfuls of corresponding bidirectional locking valve group is entered by the first solenoid directional control valve 7, valve group is in open mode, when the first supercharging
When cylinder right piston chamber outside control mouth exposes, cavity pressure oil enters the second pressurized cylinder by one-way throttle valve, bidirectional locking valve group
The fluid-control one-way valve group matched somebody with somebody, makes its 3rd hydraulic control one-way valve, the 4th hydraulic control one-way valve pilot port be connected with pressure oil, oil feed line
Connected by the 4th hydraulic control one-way valve, the second on-off valve 6 with pilot port on the right side of the second pilot operated directional control valve, the second pilot operated directional control valve changes
To P mouthfuls logical with A mouthfuls, and T mouthfuls logical with B mouthfuls, and oil feed line pressure oil enters the left work of the second pressurized cylinder by the second pilot operated directional control valve 4
Chamber is filled in, promotes the second pressurized cylinder piston to move right.When the first pressurized cylinder right piston chamber automatic control mouth exposes, cavity pressure oil is logical
Cross one-way throttle valve and enter the matched fluid-control one-way valve group of the first pressurized cylinder, make its 3rd hydraulic control one-way valve, the 4th fluid-control one-way
Valve pilot port is connected with pressure oil, and oil feed line is right by the 4th hydraulic control one-way valve, the first on-off valve 5 and the first pilot operated directional control valve
Side pilot port connection, the commutation of the first pilot operated directional control valve, P mouthfuls logical with A mouthfuls, and T mouthfuls logical with B mouthfuls, and oil feed line pressure oil passes through first
Pilot operated directional control valve 3 enters the first pressurized cylinder left piston chamber, promotes the first pressurized cylinder piston to move right.When the left work of the first pressurized cylinder
When plug chamber outside control mouth exposes, cavity pressure oil enters the matched liquid of the second pressurized cylinder by one-way throttle valve, bidirectional locking valve group
Unidirectional valve group is controlled, its first hydraulic control one-way valve, the second hydraulic control one-way valve pilot port is connected with pressure oil, oil feed line passes through
One hydraulic control one-way valve is connected with pilot port on the left of the second pilot operated directional control valve, and pilot port passes through the second liquid on the right side of the second pilot operated directional control valve
Control check valve is connected draining with oil return line, and the commutation of the second pilot operated directional control valve, P mouthfuls logical with B mouthfuls, and T mouthfuls logical with A mouthfuls, oil feed line
Pressure oil enters the second pressurized cylinder right hand piston chamber by the second pilot operated directional control valve 4, promotes the second pressurized cylinder piston to be moved to the left.
When the first pressurized cylinder left piston chamber automatic control mouth exposes, cavity pressure oil is matched into the first pressurized cylinder by one-way throttle valve
Fluid-control one-way valve group, makes its first hydraulic control one-way valve, the second hydraulic control one-way valve pilot port be connected with pressure oil, oil feed line passes through
First hydraulic control one-way valve is connected with pilot port on the left of the first pilot operated directional control valve, and the commutation of the first pilot operated directional control valve, P mouthfuls logical with B mouthfuls, T
Mouth is logical with A mouthfuls, and oil feed line pressure oil enters the first pressurized cylinder right piston chamber by the first pilot operated directional control valve 3, promotes the first increasing
Pressure cylinder piston moves right.So move in circles, make pressure continue to export.
When only needing the second supercharging cylinder working, 5 right side electromagnet of the first on-off valve obtains electric, 6 left side electromagnetism of the second on-off valve
Iron obtains electric.The P mouths of second pilot operated directional control valve 4 are logical with B mouthfuls, and T mouthfuls logical with A mouthfuls, and it is right that oil feed line pressure oil enters the second pressurized cylinder
Plunger shaft, promotes piston to be moved to the left, when exposing right piston chamber automatic control mouth, right piston cavity pressure oil passes through one-way throttle valve
Into the 3rd hydraulic control one-way valve and the 4th hydraulic control one-way valve pilot port, in oil feed line pressure oil by the 4th hydraulic control one-way valve,
First shut-off valve enters pilot port on the right side of the first pilot operated directional control valve, and pilot port passes through the 3rd hydraulic control list on the left of the second pilot operated directional control valve
Oil return line draining is connected to valve, the commutation of the second pilot operated directional control valve, P mouthfuls logical with A mouthfuls, and T mouthfuls logical with B mouthfuls, oil feed line pressure oil
Into the second pressurized cylinder left piston chamber, piston moves right, and when exposing left piston chamber automatic control mouth, left piston cavity pressure oil is logical
Cross one-way throttle valve and enter the first hydraulic control one-way valve and the second hydraulic control one-way valve pilot port, pressure oil passes through first in oil feed line
Hydraulic control one-way valve enters pilot port on the left of the second pilot operated directional control valve, and pilot port passes through the second hydraulic control list on the right side of the first pilot operated directional control valve
Oil return line draining is connected to valve, the commutation of the second pilot operated directional control valve, P mouthfuls logical with B mouthfuls, and T mouthfuls logical with A mouthfuls, so moves in circles, makes
Pressure persistently exports.
Embodiment three：
As shown in figure 3, the present embodiment by bidirectional locking valve group in embodiment two and the first solenoid directional control valve by Solenoid ball valve
Instead of can equally switch the pilot control source of fluid-control one-way valve group corresponding to the second pressurized cylinder by the break-make of Solenoid ball valve.
Operating principle is the same as embodiment two when the present embodiment is pressurized operation.
Example IV：
As shown in figure 4, a kind of list is controlled more freely changes reciprocating booster, including the first pressurized cylinder 1, the second pressurized cylinder 2, the
Three pressurized cylinders 21, the first pilot operated directional control valve 3, the second pilot operated directional control valve 4, the 3rd pilot operated directional control valve 22, every group of booster, hydraulic control are changed
To valve matching hydraulic control one-way valve group 8, fluid-control one-way valve group 8 includes the first hydraulic control one-way valve 11, the second hydraulic control one-way valve 12, and the 3rd
Hydraulic control one-way valve 13, the 4th hydraulic control one-way valve 14, the booster include left piston chamber 17 and right piston chamber 18, the first supercharging
Cylinder, the second pressurized cylinder or so plunger shaft opens automatic control mouth and outside control mouth, and outside control mouth is located on the outside of automatic control mouth, and the 3rd pressurized cylinder or so is living
Plug chamber opens automatic control mouth, and the first pilot operated directional control valve 3 is two-position four-way pilot operated directional control valve, and A, B mouthfuls connect the first pressurized cylinder 1 or so respectively
Piston resonator end surface, left side pilot port connect the first hydraulic control one-way valve 11 and the 3rd hydraulic control one-way valve 13, and right side pilot port passes through the
One on-off valve 5 connects the second hydraulic control one-way valve 12 and the 4th hydraulic control one-way valve 14, and the first on-off valve 5 is solenoid valve, the first hydraulic control
11 and the 4th hydraulic control one-way valve 14 of check valve connects oil feed line, and the second hydraulic control one-way valve 12 and the 3rd hydraulic control one-way valve 13 connect
Oil return line, the first hydraulic control one-way valve 11 and 12 pilot port of the second hydraulic control one-way valve connect left booster cavity certainly by one-way throttle valve
Mouth is controlled, the 3rd hydraulic control one-way valve 13 connects right booster cavity automatic control with 14 pilot port of the 4th hydraulic control one-way valve by one-way throttle valve
Mouthful.
Second pressurized cylinder 2, the second pilot operated directional control valve 4, the second on-off valve 6, the 3rd pressurized cylinder 21, the 3rd pilot operated directional control valve
22nd, 23 structure of the 3rd on-off valve and connection method are same as above.
In the matched fluid-control one-way valve group of the institute of second pressurized cylinder 2, the first hydraulic control one-way valve 11, the second hydraulic control one-way valve 12 are first
Mouth connection 2 left piston chamber automatic control mouth of 1 left piston chamber outside control mouth of the first pressurized cylinder and the second pressurized cylinder is led, wherein, with the first supercharging
One-way throttle valve and bidirectional locking valve group are set respectively between cylinder, the second pressurized cylinder left piston chamber；3rd hydraulic control one-way valve 13,
Four hydraulic control one-way valves, 14 pilot port connects 2 right piston chamber automatic control mouth of 1 right piston chamber outside control mouth of the first pressurized cylinder and the second pressurized cylinder,
Wherein, one-way throttle valve and bidirectional locking valve group are set respectively between the first pressurized cylinder, the second pressurized cylinder right piston chamber；3rd
In the matched fluid-control one-way valve group of the institute of pressurized cylinder 21, the first hydraulic control one-way valve, the second hydraulic control one-way valve pilot port connection second increases
21 left hand piston chamber automatic control mouth of 2 left piston chamber outside control mouth of cylinder pressure and the 3rd pressurized cylinder, wherein with the second pressurized cylinder, the 3rd pressurized cylinder
One-way throttle valve and bidirectional locking valve group are set respectively between left piston chamber；3rd hydraulic control one-way valve, the 4th hydraulic control one-way valve are first
Leading mouth connection 2 right piston chamber outside control mouth of the second pressurized cylinder and the 3rd pressurized cylinder 21 has plunger shaft automatic control mouth, wherein, with the second supercharging
One-way throttle valve and bidirectional locking valve group are set respectively between cylinder, the 3rd pressurized cylinder right piston chamber.
The hydraulic control one-way valve that bidirectional locking valve group 15 is connected and is oppositely arranged by two forms, wherein, with the first pressurized cylinder 1
The matched bidirectional locking valve group pilot port of outside control mouth connects the A mouths of the first solenoid directional control valve 7, with 2 automatic control mouth of the second pressurized cylinder
The bidirectional locking valve group pilot port matched somebody with somebody connects the B mouths of the first solenoid directional control valve 7, matched two-way with 2 outside control mouth of the second pressurized cylinder
Locking valve group pilot port connects the A mouths of the second solenoid directional control valve 10, with the matched bidirectional locking valve of 21 automatic control mouth of the 3rd pressurized cylinder
Group pilot port connects the B mouths of the second solenoid directional control valve 10；First solenoid directional control valve 7, the second solenoid directional control valve 10 are two-position four-way
Solenoid directional control valve, P mouthfuls of connection oil feed lines, T mouthfuls of connection oil return lines.
When only needing the first supercharging cylinder working, 5 left side electromagnet of the first on-off valve obtains electric, the second on-off valve 6, the 3rd break-make
23 right side electromagnet of valve obtain it is electric, the first pilot operated directional control valve 3 by 1 automatic control mouth pilot control of the first pressurized cylinder commutate, make the first increasing
Cylinder pressure working in reciprocating mode.When needing the first pressurized cylinder, the second pressurized cylinder to work at the same time, the first on-off valve 5, the second on-off valve 6, the
One solenoid directional control valve, 7 left side electromagnet obtain it is electric, 23 right side electromagnet of the 3rd on-off valve obtain it is electric, the first pilot operated directional control valve by first increase
Cylinder pressure automatic control mouth pilot control, the second pilot operated directional control valve are past by the first pressurized cylinder outside control mouth pilot control, first, second pressurized cylinder
Return to work work.When needing the second pressurized cylinder to work independently, 6 left side electromagnet of the second on-off valve obtains electric, the first on-off valve the 5, the 3rd
On-off valve 23,7 right side electromagnet of the first solenoid directional control valve obtain electric, and the second pilot operated directional control valve is controlled by the second pressurized cylinder automatic control mouth guide
System, the second pressurized cylinder working in reciprocating mode.When needing the second pressurized cylinder, the 3rd pressurized cylinder to work at the same time, the second on-off valve the 6, the 3rd
On-off valve 23,10 left side electromagnet of the second solenoid directional control valve obtain electric, the first on-off valve 5,7 right side electromagnet of the first solenoid directional control valve
It is electric, the second pilot operated directional control valve 4 by the second pressurized cylinder automatic control mouth pilot control, the 3rd pilot operated directional control valve 22 by the second pressurized cylinder outside
Control mouth pilot control, second, third pressurized cylinder working in reciprocating mode.When only needing the 3rd pressurized cylinder 21 to work, the 3rd on-off valve 23 is left
Side electromagnet obtains electric, and the first on-off valve 6, the second on-off valve 6,10 right side electromagnet of the second solenoid directional control valve obtain electric, the 3rd hydraulic control
Reversal valve 22 is by the 3rd pressurized cylinder automatic control mouth pilot control, the 3rd pressurized cylinder working in reciprocating mode.Increase when needing the first pressurized cylinder, second
When cylinder pressure, the 3rd pressurized cylinder work at the same time, the first on-off valve 5, the second on-off valve 6, the 3rd on-off valve 23, the first solenoid directional control valve
7th, 10 left side electromagnet of the second solenoid directional control valve obtains electric, and the first pilot operated directional control valve 3 is by the first pressurized cylinder automatic control mouth pilot control, and
Two pilot operated directional control valves 4 are first by the second pressurized cylinder outside control mouth by the first pressurized cylinder outside control mouth pilot control, the 3rd pilot operated directional control valve 22
Lead control, first, second, third booster working in reciprocating mode.
Bidirectional locking valve group can replace with electromagnetic ball with its matched solenoid directional control valve of institute with embodiment three in the present embodiment
Valve or other valve groups with on-off function.
According to actual condition needs, the utility model is widenable to more cylinder numbers, by adjusting each on-off valve and electromagnetism
Any single cylinder or continuous more cylinder workings can be achieved in reversal valve.
Claims (6)
1. a kind of reciprocating-type supercharger reversing arrangement, including pilot operated directional control valve, it is characterized in that：Further include fluid-control one-way valve group（8）,
Pilot operated directional control valve both sides pilot port is connected by the fluid-control one-way valve group with oil feed line, in the fluid-control one-way valve group
Each hydraulic control one-way valve pilot port is connected with pressurized cylinder piston chamber control mouth, and each pressurized cylinder control mouth sets one-way throttle valve（9）.
2. a kind of reciprocating-type supercharger reversing arrangement according to claim 1, it is characterized in that：The fluid-control one-way valve group bag
Include the first hydraulic control one-way valve（11）, the second hydraulic control one-way valve（12）, the 3rd hydraulic control one-way valve（13）, the 4th hydraulic control one-way valve
（14）, the pressurized cylinder piston chamber includes left piston chamber（17）With right piston chamber（18）, first hydraulic control one-way valve, the second liquid
Control check valve pilot port is connected by one-way throttle valve with left booster cavity control mouth, the 3rd pilot operated directional control valve, the 4th hydraulic control
Check valve pilot port is connected by one-way throttle valve with right booster cavity control mouth, and the left pilot port of pilot operated directional control valve passes through described
First pilot operated directional control valve is connected with oil feed line, is connected by the 3rd pilot operated directional control valve with drain line, and the hydraulic control is changed
It is connected to the right pilot port of valve by second pilot operated directional control valve with drain line, by the 4th pilot operated directional control valve and fuel feeding
Pipeline connects.
3. a kind of reciprocating-type supercharger using reciprocating-type supercharger reversing arrangement, it is characterized in that：Including the first pressurized cylinder（1）With
The reciprocating-type supercharger reversing arrangement, first pressurized cylinder match the first pilot operated directional control valve（3）, the first pressurized cylinder left side
Right piston chamber sets automatic control mouth（19）, it is first that left piston chamber automatic control mouth connects first hydraulic control one-way valve, the second hydraulic control one-way valve
Mouth is led, right piston chamber automatic control mouth connects the 3rd hydraulic control one-way valve, the 4th hydraulic control one-way valve pilot port, and left and right plunger shaft automatic control mouth is set
One-way throttle valve is put, the left pilot port of the first pilot operated directional control valve connects the first hydraulic control one-way valve and the 3rd hydraulic control one-way valve, the right side
Pilot port connects the second hydraulic control one-way valve and the 4th hydraulic control one-way valve.
4. a kind of list is controlled more freely changes reciprocating booster, it is characterized in that：Including at least two pressurized cylinders, the pressurized cylinder order
Arrangement, each pressurized cylinder matching pilot operated directional control valve and the reciprocating-type supercharger reversing arrangement, the left and right plunger shaft of the pressurized cylinder
Automatic control mouth is set（19）With outside control mouth（20）, it is matched to connect its institute for each hydraulic control one-way valve pilot port in the fluid-control one-way valve group
Pressurized cylinder automatic control mouth and upper order booster outside control mouth, set respectively between automatic control mouth, outside control mouth and pilot operated directional control valve pilot port
On-off valve is put, automatic control mouth, outside control mouth set one-way throttle valve.
5. a kind of list according to claim 4 is controlled more freely changes reciprocating booster, it is characterized in that：The on-off valve is
Bidirectional locking valve group（15）, the bidirectional locking valve group is connected by two and the hydraulic control one-way valve that is oppositely arranged forms, hydraulic control list
Oil feed line is connected by switching valve to valve pilot port, matches and is cut described in the bidirectional locking valve group pilot port connection of different control mouths
Change valve difference hydraulic fluid port.
6. a kind of list according to claim 5 is controlled more freely changes reciprocating booster, it is characterized in that：The switching valve is two
Position four-way electromagnetic reversing valve, its P mouthfuls of connection oil feed line, T mouthfuls of connection oil return lines, A, B mouthfuls connect and automatic control mouth, external control respectively
The matched bidirectional locking valve group pilot port of mouth.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720584115.9U CN207278608U (en) | 2017-05-24 | 2017-05-24 | A kind of reciprocating-type supercharger reversing arrangement and its application |
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| CN201720584115.9U CN207278608U (en) | 2017-05-24 | 2017-05-24 | A kind of reciprocating-type supercharger reversing arrangement and its application |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246422A (en) * | 2017-05-24 | 2017-10-13 | 晋中浩普液压设备有限公司 | A kind of reciprocating-type supercharger reversing arrangement and its application |
| CN110712059A (en) * | 2019-10-22 | 2020-01-21 | 北京海普瑞森超精密技术有限公司 | Version roller hydraulic pressure internal stay device |
-
2017
- 2017-05-24 CN CN201720584115.9U patent/CN207278608U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246422A (en) * | 2017-05-24 | 2017-10-13 | 晋中浩普液压设备有限公司 | A kind of reciprocating-type supercharger reversing arrangement and its application |
| CN110712059A (en) * | 2019-10-22 | 2020-01-21 | 北京海普瑞森超精密技术有限公司 | Version roller hydraulic pressure internal stay device |
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