CN106989076A - Reciprocating booster is freely changed in control more than a kind of list - Google Patents
Reciprocating booster is freely changed in control more than a kind of list Download PDFInfo
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- CN106989076A CN106989076A CN201710372694.5A CN201710372694A CN106989076A CN 106989076 A CN106989076 A CN 106989076A CN 201710372694 A CN201710372694 A CN 201710372694A CN 106989076 A CN106989076 A CN 106989076A
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- 230000002457 bidirectional effect Effects 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 2
- 230000003245 working effect Effects 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
Classifications
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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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- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Reciprocating booster is freely changed in control more than a kind of list, including at least two pressurized cylinders, the booster order is arranged, each Matching of Turbocharger pilot operated directional control valve, the left and right plunger shaft of the pressurized cylinder sets automatic control mouthful and outside control mouth, the pilot operated directional control valve pilot port connects pressurized cylinder automatic control mouthful and the upper order pressurized cylinder outside control mouth that it is matched respectively, and on-off valve is set respectively between automatic control mouthful, outside control mouth and pilot operated directional control valve pilot port.Pilot operated directional control valve pilot control of the present invention is changed into automatic control, external control selection control from original single control, it is achieved thereby that any single cylinder or continuous many cylinder workings, greatly strengthen stability during long-term work.
Description
Technical field
The present invention relates to a kind of hydraulic intensifier, reciprocating booster is freely changed in control more than more particularly to a kind of list.
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, and due to needing the stability of holding pressure in use, a set of reciprocating-type supercharger is usually contained
Multiple pressurized cylinders.But multi-cylinder linkage in actual use, is not at every moment required for, one of them is only needed to sometimes or several
Supercharging cylinder working just can meet requirement, and unnecessary mechanical loss can be caused if being all turned on.Chinese patent
The conversion reciprocating booster of control more than a kind of list disclosed in 2016206456845, although it can control opening for any amount booster
Open, but must be according to setting order, it is impossible to any one or more supercharging cylinder workings are realized, if one of pressurized cylinder failure,
Then being arranged at the pressurized cylinder after its order just can not work, if the first pressurized cylinder failure, whole booster just can not work.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of the single many of achievable any one or more supercharging cylinder workings
Reciprocating booster is freely changed in control.
The technical solution adopted by the present invention is：Reciprocating booster, including at least two superchargings are freely changed in control more than a kind of list
Cylinder, the booster order is arranged, and each Matching of Turbocharger pilot operated directional control valve, the left and right plunger shaft of the pressurized cylinder sets automatic control mouthful
With outside control mouth, the pilot operated directional control valve pilot port connect respectively pressurized cylinder automatic control mouthful that it is matched with outside upper order pressurized cylinder
Mouth is controlled, on-off valve is set respectively between automatic control mouthful, outside control mouth and pilot operated directional control valve pilot port.
Reciprocating booster is freely changed in control more than a kind of described list, 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 is constituted, and hydraulic control one-way valve pilot port passes through
Switching valve connects oil feed line, and matching automatic control mouthful, the hydraulic control one-way valve pilot port of outside control mouth connect the different hydraulic fluid ports of the switching valve.
Reciprocating booster is freely changed in control more than a kind of described list, 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 connect return lines, A, B mouthfuls of connection and automatic controls mouthful, pair of outside control mouth matching respectively
To locking valve group pilot port.
Reciprocating booster is freely changed in control more than a kind of described list, it is characterized in that：The automatic control mouthful, outside control mouth set unidirectional
Choke valve.
Pilot operated directional control valve pilot control of the present invention is changed into automatic control, external control selection control from original single control, so that real
Show any single cylinder or continuous many cylinder workings, greatly strengthen stability during long-term work.
Brief description of the drawings
Fig. 1 is the schematic diagram of the embodiment of the present invention one；
Fig. 2 is the schematic diagram of the embodiment of the present invention two；
Fig. 3 is the schematic diagram of the embodiment of the present invention three；
In figure：The pressurized cylinders of 1- first, the pressurized cylinders of 2- second, the pilot operated directional control valves of 3- first, the pilot operated directional control valves of 4- second, 5- first leads to
Disconnected valve, the on-off valves of 6- second, the solenoid directional control valves of 7- first, 8- fluid-control one-way valve groups, 9- one-way throttle valves, the electromagnetism of 10- second is changed
To valve, the check valves of 11- first, the hydraulic control one-way valves of 12- second, the hydraulic control one-way valves of 13- the 3rd, the check valves of 14- the 4th, 15- is two-way
Locking valve group, 16- Solenoid ball valves, 17- left piston chambers, 18- right piston chambers, 19- automatic controls mouthful, 20- outside control mouths, 21- the 3rd is pressurized
Cylinder, the pilot operated directional control valves of 22- the 3rd, the on-off valves of 23- the 3rd.
Embodiment
Embodiment one：
As shown in figure 1, reciprocating booster, including the first pressurized cylinder 1, the second pressurized cylinder 2, the first liquid are freely changed in control more than a kind of list
Control reversal valve 3, the second pilot operated directional control valve 4, every group of booster, pilot operated directional control valve matching hydraulic control one-way valve group 8, hydraulic control individual event valve group
8 include the first check valve 11, the second hydraulic control one-way valve 12, the 3rd hydraulic control one-way valve 13, the 4th check valve 14, the booster bag
Include left piston chamber 17 and right piston chamber 18, first pressurized cylinder or so plunger shaft opens automatic control mouthful 19 and outside control mouth 20, and outside control mouth is located at
On the outside of automatic control mouthful, second pressurized cylinder or so plunger shaft opens automatic control mouthful 20.All automatic controls mouthful, outside control mouth is respectively provided with one-way throttle valve.
First pilot operated directional control valve 3 is two-position four-way pilot operated directional control valve, and A, B mouthfuls connect the piston of the first pressurized cylinder 1 or so respectively
Resonator end surface, left side pilot port matches the first check valve in hydraulic control one-way valve group by it and connects the first pressurized cylinder left piston chamber certainly
Mouth is controlled, right side pilot port connects the first pressurized cylinder right piston chamber automatic control mouthful by the 4th check valve, and left side pilot port passes through second
Hydraulic control one-way valve connects return line X, and right side pilot port connects return line X, right side pilot port by the 3rd hydraulic control one-way valve
First on-off valve 5 is set.The second hydraulic control one-way valve pilot port of first pressurized cylinder left piston chamber automatic control mouthful connection, right piston chamber automatic control
Mouth the 3rd hydraulic control one-way valve pilot port of connection.
Second pilot operated directional control valve 4 is two-position four-way pilot operated directional control valve, and A, B mouthfuls connect the piston of the second pressurized cylinder 2 or so respectively
Resonator end surface, left side pilot port matches the first check valve in hydraulic control one-way valve group by it and connected outside the first pressurized cylinder left piston chamber
Mouth and the second pressurized cylinder left piston chamber automatic control mouthful are controlled, right side pilot port connects the first pressurized cylinder right piston chamber by the 4th check valve
Right piston chamber outside control mouth and the second pressurized cylinder right piston chamber outside control mouth, left side pilot port connect oil return by the second hydraulic control one-way valve
Pipeline X, right side pilot port connects return line X by the 3rd hydraulic control one-way valve, and right side pilot port sets the second on-off valve 6.The
The second hydraulic control one-way valve pilot port of two pressurized cylinder left piston chamber automatic controls mouthful connection, right piston chamber automatic control mouthful the 3rd fluid-control one-way of connection
Valve pilot port.Between first check valve, the second hydraulic control one-way valve pilot port and the first pressurized cylinder outside control mouth, the first check valve,
Between two hydraulic control one-way valve pilot ports and the second pressurized cylinder automatic control mouthful, the 3rd hydraulic control one-way valve pilot port, the 4th check valve and the
Set between one pressurized cylinder outside control mouth, between the 3rd hydraulic control one-way valve pilot port, the 4th check valve and the second pressurized cylinder automatic control mouthful
Bidirectional locking valve group 15, the hydraulic control one-way valve that bidirectional locking valve group is connected and is oppositely arranged by two is constituted, wherein, increase with first
The bidirectional locking valve group pilot port of the outside control mouth of cylinder pressure 1 matching connects the A mouths of the first solenoid directional control valve 7, with the automatic control of the second pressurized cylinder 2
The bidirectional locking valve group pilot port of mouth matching connects the B mouths of the first solenoid directional control valve 7, and the first solenoid directional control valve 7 is two-position four-way
Solenoid directional control valve, its P mouthfuls of connection oil feed line, T mouthfuls of connection return lines.
When only needing the first supercharging cylinder working, the left side electromagnet of the first on-off valve 5 obtains electric, the right side electromagnetism of the second on-off valve 6
Iron obtains electric.The P mouths of first pilot operated directional control valve 3 lead to B mouthfuls, and T mouthfuls lead to 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 mouthful, the hydraulic control that right piston cavity pressure oil passes through matching
The 4th check valve, the first on-off valve enter pilot port on the right side of the first pilot operated directional control valve in unidirectional valve group, while right piston intracavitary pressure
Power oil enters the 3rd hydraulic control one-way valve pilot port by one-way throttle valve, and the 3rd hydraulic control one-way valve is opened, the first pilot operated directional control valve
Left side pilot port is connected by the 3rd hydraulic control one-way valve with drain line X, the commutation of the first pilot operated directional control valve, and P mouthfuls lead to A mouthfuls, T mouthfuls
Logical with B mouthfuls, oil feed line pressure oil enters the first pressurized cylinder left piston chamber, and piston moves right, when exposing left piston chamber automatic control
During mouth, left piston cavity pressure oil enters pilot port on the left of the first pilot operated directional control valve by the first check valve, while left piston chamber
Interior pressure oil enters the second hydraulic control one-way valve pilot port by the first one-way throttle valve, and the second hydraulic control one-way valve is opened, the first liquid
Pilot port is connected by the 3rd hydraulic control one-way valve with drain line X on the right side of control reversal valve, the commutation of the first pilot operated directional control valve, P mouthfuls and B
Mouth is logical, and T mouthfuls lead to A mouthfuls, so move in circles, and pressure is continued output.
When only needing the second supercharging cylinder working, the right side electromagnet of the first on-off valve 5 obtains electric, the second on-off valve 6, the first electromagnetism
The left side electromagnet of reversal valve 7 obtains electric.The P mouths of second pilot operated directional control valve 3 lead to A mouthfuls, and T mouthfuls lead to B mouthfuls, and oil feed line pressure oil enters
Enter the first pressurized cylinder left piston chamber, piston moves right, when exposing left piston chamber automatic control mouthful, left piston cavity pressure oil passes through
The first check valve enters pilot port on the left of the first pilot operated directional control valve in the fluid-control one-way valve group of matching, while left piston cavity pressure
Oil enters the second hydraulic control one-way valve pilot port by one-way throttle valve, and the second hydraulic control one-way valve is opened, and the first pilot operated directional control valve is right
Side pilot port is connected by the 3rd hydraulic control one-way valve with drain line X, the commutation of the first pilot operated directional control valve, and P mouthful are logical with B mouthful, T mouthfuls and
A mouthfuls lead to, oil feed line pressure oil enter the first pressurized cylinder right piston chamber, promote piston be moved to the left, when expose right piston chamber from
When controlling mouth, right piston cavity pressure oil enters pilot port on the right side of the first pilot operated directional control valve by the 4th check valve, the first on-off valve,
Right piston cavity pressure oil enters the 3rd hydraulic control one-way valve pilot port, the 3rd hydraulic control one-way valve by the first one-way throttle valve simultaneously
Open, pilot port is connected by the 3rd hydraulic control one-way valve with drain line X on the left of the first pilot operated directional control valve, the first pilot operated directional control valve
Commutation, P mouthfuls lead to A mouthfuls, and T mouthfuls lead to B mouthfuls, so move in circles, and pressure is continued output.
When needing the first pressurized cylinder, the second pressurized cylinder to work simultaneously, the first on-off valve 5, second the 6, first electricity of on-off valve
The left side electromagnet of magnetic reversal valve 7 obtains electric, and the P mouths of the first pilot operated directional control valve 3 lead to B mouthfuls, and T mouthfuls lead to A mouthfuls, the second pilot operated directional control valve
4 P mouths lead to A mouthfuls, and T mouthfuls lead to B mouthfuls, and oil feed line pressure oil enters the first pressurized cylinder right piston chamber and the left work of the second pressurized cylinder
Chamber is filled in, promotes pressure oil in the movement of two pressurized cylinder pistons, oil feed line corresponding into its A mouthfuls by the first solenoid directional control valve 7
Bidirectional locking valve group, makes valve group be in open mode, when the first pressurized cylinder right piston chamber outside control mouth exposes, and cavity pressure oil is logical
Cross one-way throttle valve and enter the fluid-control one-way valve group that the second pressurized cylinder is matched with bidirectional locking valve group, pressure oil passes through its first list
Enter pilot port on the left of the second pilot operated directional control valve to valve, while into the second hydraulic control one-way valve pilot port, the second hydraulic control one-way valve
Open, pilot port connects return line X drainings by the second on-off valve, the second hydraulic control one-way valve on the right side of the second pilot operated directional control valve,
Second pilot operated directional control valve commutates, and P mouthfuls lead to B mouthfuls, and T mouthfuls lead to A mouthfuls, and oil feed line pressure oil enters the second pressurized cylinder right piston
Chamber, promotes piston to be moved to the left.
First pressurized cylinder piston continues to be moved to the left, when exposing right piston chamber automatic control mouthful, and right piston cavity pressure oil is logical
The 4th check valve, the first on-off valve in one-way throttle valve, the fluid-control one-way valve group of matching is crossed to enter on the right side of the first pilot operated directional control valve
Pilot port, while right piston cavity pressure oil enters the 3rd hydraulic control one-way valve pilot port, the 3rd hydraulic control list by one-way throttle valve
Opened to valve, pilot port is connected by the 3rd hydraulic control one-way valve with drain line X on the left of the first pilot operated directional control valve, and the first hydraulic control is changed
Commutated to valve, P mouthfuls lead to A mouthfuls, T mouthfuls lead to B mouthfuls, and oil feed line pressure oil enters the first pressurized cylinder left piston chamber, and piston is to the right
Mobile, when exposing left piston chamber outside control mouth, cavity pressure oil enters the liquid that the second pressurized cylinder is matched by bidirectional locking valve group
Unidirectional valve group is controlled, pressure oil enters pilot port on the right side of the second pilot operated directional control valve by its 4th check valve, while into the 3rd liquid
Check valve pilot port is controlled, the 3rd hydraulic control one-way valve is opened, and pilot port passes through the 3rd hydraulic control one-way valve on the left of the second pilot operated directional control valve
Return line X drainings are connected, the second pilot operated directional control valve commutates, P mouthfuls lead to A mouthfuls, T mouthfuls lead to B mouthfuls, the entrance of oil feed line pressure oil
Second pressurized cylinder left piston chamber, promotes piston to move right.
First pressurized cylinder piston continues to move right, when exposing left piston chamber automatic control mouthful, and left piston cavity pressure oil is logical
Cross the first check valve in one-way throttle valve, the fluid-control one-way valve group of matching and enter pilot port on the left of the first pilot operated directional control valve, simultaneously
Left piston cavity pressure oil enters the second hydraulic control one-way valve pilot port by one-way throttle valve, and the second hydraulic control one-way valve is opened, the
Pilot port is connected by the second hydraulic control one-way valve with drain line X on the right side of one pilot operated directional control valve, the commutation of the first pilot operated directional control valve, P
Mouth leads to B mouthfuls, and T mouthfuls lead to A mouthfuls, so move in circles, and makes pressure continue to export.
Embodiment two：
As shown in Fig. 2 the present embodiment is replaced bidirectional locking valve group in embodiment two and the first solenoid directional control valve by Solenoid ball valve,
The break-make of break-make Solenoid ball valve can equally switch the pilot control source of fluid-control one-way valve group corresponding to the second pressurized cylinder.This implementation
Operating principle be the same as Example one during example supercharging operation.
Embodiment three：
As shown in figure 3, reciprocating booster, including the first pressurized cylinder 1, the second pressurized cylinder 2, the 3rd increasing are freely changed in control more than a kind of list
Cylinder pressure 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, pilot operated directional control valve
Hydraulic control one-way valve group 8 is matched, fluid-control one-way valve group 8 includes the first check valve 11, the second hydraulic control one-way valve 12, the 3rd fluid-control one-way
Valve 13, the 4th check valve 14, the booster include left piston chamber 17 and right piston chamber 18, the first pressurized cylinder, the second pressurized cylinder
Left and right plunger shaft opens automatic control mouthful and outside control mouth, and outside control mouth is located on the outside of automatic control mouthful, and the 3rd pressurized cylinder or so plunger shaft opens automatic control mouthful.
First pilot operated directional control valve 3 is two-position four-way pilot operated directional control valve, and A, B mouthfuls connect the piston of the first pressurized cylinder 1 or so respectively
Resonator end surface, left side pilot port matches the first check valve in hydraulic control one-way valve group by it and connects the first pressurized cylinder left piston chamber certainly
Mouth is controlled, right side pilot port connects the first pressurized cylinder right piston chamber automatic control mouthful by the 4th check valve, and left side pilot port passes through second
Hydraulic control one-way valve connects return line X, and right side pilot port connects return line X, right side pilot port by the 3rd hydraulic control one-way valve
First on-off valve 5 is set.The second hydraulic control one-way valve pilot port of first pressurized cylinder left piston chamber automatic control mouthful connection, right piston chamber automatic control
Mouth the 3rd hydraulic control one-way valve pilot port of connection.
Second pilot operated directional control valve 4 is two-position four-way pilot operated directional control valve, and A, B mouthfuls connect the piston of the second pressurized cylinder 2 or so respectively
Resonator end surface, left side pilot port matches the first check valve in hydraulic control one-way valve group by it and connected outside the first pressurized cylinder left piston chamber
Mouth and the second pressurized cylinder left piston chamber automatic control mouthful are controlled, right side pilot port connects the first pressurized cylinder right piston chamber by the 4th check valve
Right piston chamber outside control mouth and the second pressurized cylinder right piston chamber outside control mouth, left side pilot port connect oil return by the second hydraulic control one-way valve
Pipeline X, right side pilot port connects return line X by the 3rd hydraulic control one-way valve, and right side pilot port sets the second on-off valve 6.The
The second hydraulic control one-way valve pilot port of two pressurized cylinder left piston chamber automatic controls mouthful connection, right piston chamber automatic control mouthful the 3rd fluid-control one-way of connection
Valve pilot port.Between first check valve, the second hydraulic control one-way valve pilot port and the left booster cavity outside control mouth of the first pressurized cylinder, it is first single
To between valve, the second hydraulic control one-way valve pilot port and the left booster cavity automatic control mouthful of the second pressurized cylinder, the 3rd hydraulic control one-way valve pilot port,
Between 4th check valve and the first pressurized cylinder right piston chamber outside control mouth, the 3rd hydraulic control one-way valve pilot port, the 4th check valve and
Bidirectional locking valve group 15 is set between two pressurized cylinder right piston chamber automatic controls mouthful.Bidirectional locking valve group is connected and is oppositely arranged by two
Hydraulic control one-way valve composition, wherein, with the outside control mouth of the first pressurized cylinder 1 match bidirectional locking valve group pilot port be connected the first electromagnetism
The A mouths of reversal valve 7, the first solenoid directional control valve 7 is connected with the bidirectional locking valve group pilot port of the automatic control of the second pressurized cylinder 2 mouthful matching
B mouthfuls, the first solenoid directional control valve 7 is two-position four-way solenoid directional control valve, its P mouthfuls of connection oil feed line, T mouthfuls of connection return lines.
3rd pilot operated directional control valve 22 is two-position four-way pilot operated directional control valve, and A, B mouthfuls connect the 3rd pressurized cylinder 21 or so and live respectively
Resonator end surface is filled in, left side pilot port matches the first check valve in hydraulic control one-way valve group by it and connects the first pressurized cylinder left piston chamber
Outside control mouth and the second pressurized cylinder left piston chamber automatic control mouthful, right side pilot port connect the first pressurized cylinder right piston by the 4th check valve
Chamber right piston chamber outside control mouth and the second pressurized cylinder right piston chamber outside control mouth, left side pilot port are connected back to by the second hydraulic control one-way valve
Oil pipe line X, right side pilot port connects return line X by the 3rd hydraulic control one-way valve, and right side pilot port sets the 3rd on-off valve 23.
The second hydraulic control one-way valve pilot port of 3rd pressurized cylinder left piston chamber automatic control mouthful connection, right piston chamber automatic control mouthful the 3rd hydraulic control list of connection
To valve pilot port.Between first check valve, the second hydraulic control one-way valve pilot port and the left booster cavity outside control mouth of the second pressurized cylinder, first
Between check valve, the second hydraulic control one-way valve pilot port and the 3rd pressurized cylinder left piston chamber automatic control mouthful, the 3rd hydraulic control one-way valve guide
Mouthful, between the 4th check valve and the second pressurized cylinder right piston chamber outside control mouth, the 3rd hydraulic control one-way valve pilot port, the 4th check valve with
Bidirectional locking valve group 15 is set between the 3rd pressurized cylinder right piston chamber automatic control mouthful.
When only needing the first supercharging cylinder working, the left side electromagnet of the first on-off valve 5 obtains electric, the second on-off valve 6, the 3rd break-make
The right side electromagnet of valve 23 obtains electric, and the first pilot operated directional control valve 3 is commutated by the automatic control of the first pressurized cylinder 1 mouthful pilot control, makes the first increasing
Cylinder pressure working in reciprocating mode.When needing the first pressurized cylinder, the second pressurized cylinder to work simultaneously, the first on-off valve 5, the second on-off valve 6, the
The left side electromagnet of one solenoid directional control valve 7 obtains electric, and the right side electromagnet of the 3rd on-off valve 23 obtains electric, and the first pilot operated directional control valve is increased by first
Cylinder pressure automatic control mouthful pilot control, the second pilot operated directional control valve is by the first pressurized cylinder outside control mouth pilot control, and first, second pressurized cylinder is past
Return to work work.When needing the second pressurized cylinder to work independently, the left side electromagnet of the second on-off valve 6 obtains electric, the first on-off valve the 5, the 3rd
On-off valve 23, the right side electromagnet of the first solenoid directional control valve 7 obtain electric, and the second pilot operated directional control valve is controlled by the second pressurized cylinder automatic control mouthful guide
System, the second pressurized cylinder working in reciprocating mode.When needing the second pressurized cylinder, the 3rd pressurized cylinder to work simultaneously, the second on-off valve the 6, the 3rd
On-off valve 23, the left side electromagnet of the second solenoid directional control valve 10 obtain electric, the first on-off valve 5, the right side electromagnet of the first solenoid directional control valve 7
Obtain electric, the second pilot operated directional control valve 4 is by the second pressurized cylinder automatic control mouthful pilot control, and the 3rd pilot operated directional control valve 22 is outside the second pressurized cylinder
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, the right side electromagnet of the second solenoid directional control valve 10 obtain electric, the 3rd hydraulic control
Reversal valve 22 is by the 3rd pressurized cylinder automatic control mouthful pilot control, the 3rd pressurized cylinder working in reciprocating mode.Increase when needing the first pressurized cylinder, second
Cylinder pressure, the 3rd pressurized cylinder work simultaneously when, 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, the left side electromagnet of the second solenoid directional control valve 10 obtains electric, and the first pilot operated directional control valve 3 is by the first pressurized cylinder automatic control mouthful pilot control, and the
Two pilot operated directional control valves 4 are by the first pressurized cylinder outside control mouth pilot control, and the 3rd pilot operated directional control valve 22 is first by the second pressurized cylinder outside control mouth
Lead control, first, second, third booster working in reciprocating mode.
The solenoid directional control valve that bidirectional locking valve group is matched with it in the present embodiment can be the same as Example three, replace with electromagnetic ball
Valve or other there is the valve group of on-off function.
According to actual condition needs, the present invention is widenable to more cylinder numbers, by adjusting each on-off valve and electromagnetic switch
Valve is that any single cylinder or continuous many cylinder workings can be achieved.
Claims (4)
1. reciprocating booster, including at least two pressurized cylinders are freely changed in control more than a kind of list, the booster order is arranged, each to increase
Depressor matches pilot operated directional control valve, and the left and right plunger shaft of the pressurized cylinder sets automatic control mouthful and outside control mouth, it is characterized in that：The hydraulic control
Reversal valve pilot port connects pressurized cylinder automatic control mouthful and the upper order pressurized cylinder outside control mouth that it is matched, automatic control mouthful, external control respectively
On-off valve is set respectively between mouth and pilot operated directional control valve pilot port.
2. reciprocating booster is freely changed in control more than a kind of list according to claim 1, 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 is constituted, hydraulic control list
Oil feed line is connected by switching valve to valve pilot port, matching automatic control mouthful, the hydraulic control one-way valve pilot port connection of outside control mouth are described
Switching valve difference hydraulic fluid port.
3. reciprocating booster is freely changed in control more than a kind of list according to claim 2, 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 return lines, A, B mouthfuls of connection and automatic controls mouthful, external control respectively
The bidirectional locking valve group pilot port of mouth matching.
4. reciprocating booster is freely changed in control more than a kind of list according to claim 1,2 or 3, it is characterized in that：The automatic control
Mouth, outside control mouth set one-way throttle valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710372694.5A CN106989076A (en) | 2017-05-24 | 2017-05-24 | Reciprocating booster is freely changed in control more than a kind of list |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710372694.5A CN106989076A (en) | 2017-05-24 | 2017-05-24 | Reciprocating booster is freely changed in control more than a kind of list |
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| Publication Number | Publication Date |
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| CN106989076A true CN106989076A (en) | 2017-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710372694.5A Pending CN106989076A (en) | 2017-05-24 | 2017-05-24 | Reciprocating booster is freely changed in control more than a kind of list |
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| CN (1) | CN106989076A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571478A (en) * | 2018-05-18 | 2018-09-25 | 东莞海特帕沃液压科技有限公司 | A kind of double plunger booster |
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| CN106481603A (en) * | 2015-08-24 | 2017-03-08 | 晋中浩普液压设备有限公司 | Twin-tub supertension automatic reciprocating booster |
| CN207278599U (en) * | 2017-05-24 | 2018-04-27 | 晋中浩普液压设备有限公司 | A kind of list is controlled more freely changes reciprocating booster |
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| CN108571478A (en) * | 2018-05-18 | 2018-09-25 | 东莞海特帕沃液压科技有限公司 | A kind of double plunger booster |
| CN108571478B (en) * | 2018-05-18 | 2019-08-23 | 保定市连宇机械制造有限公司 | A kind of double plunger booster |
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