CN207278599U - A kind of list is controlled more freely changes reciprocating booster - Google Patents
A kind of list is controlled more freely changes reciprocating booster Download PDFInfo
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- CN207278599U CN207278599U CN201720584136.0U CN201720584136U CN207278599U CN 207278599 U CN207278599 U CN 207278599U CN 201720584136 U CN201720584136 U CN 201720584136U CN 207278599 U CN207278599 U CN 207278599U
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Abstract
A kind of list is controlled more freely changes reciprocating booster, including at least two pressurized cylinders, the booster order arranges, each Matching of Turbocharger pilot operated directional control valve, the left and right plunger shaft of the pressurized cylinder sets automatic control mouth and outside control mouth, the pilot operated directional control valve pilot port connects its matched pressurized cylinder automatic control mouth of institute and upper order pressurized cylinder outside control mouth respectively, and on-off valve is set respectively between automatic control mouth, outside control mouth and pilot operated directional control valve pilot port.The utility model pilot operated directional control valve pilot control is changed into automatic control, external control selection control from original single control, it is achieved thereby that any single cylinder or continuous more cylinder workings, greatly strengthen stability during long-term work.
Description
Technical field
A kind of hydraulic intensifier is the utility model is related to, more particularly to a kind of list is controlled more freely changes reciprocating booster.
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 usually contains
Multiple pressurized cylinders.But in actual use, be not at every moment required for multi-cylinder linkage, only need sometimes one of them or it is several
Supercharging cylinder working can be met the requirements, if being all turned on, it will cause unnecessary mechanical loss.Chinese patent
A kind of list disclosed in 2016206456845 controls conversion reciprocating booster more, although it can control opening for any amount booster
Open, but must can not realize any one or more supercharging cylinder workings according to setting order, 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 deficiencies of the prior art, the utility model provides a kind of achievable any one or more supercharging cylinder workings
Reciprocating booster is freely changed in single more controls.
The technical solution adopted in the utility model is:A kind of list is controlled more freely changes reciprocating booster, including at least two
Pressurized cylinder, the booster order arrange, and each Matching of Turbocharger pilot operated directional control valve, the left and right plunger shaft of the pressurized cylinder is set certainly
Mouth and outside control mouth are controlled, the pilot operated directional control valve pilot port connects its matched pressurized cylinder automatic control mouth of institute and is pressurized with upper one order respectively
Cylinder outside control mouth, on-off valve is set between automatic control mouth, outside control mouth and pilot operated directional control valve pilot port respectively.
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 matching automatic control mouth, the hydraulic control one-way valve pilot port of outside control mouth connect 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.
A kind of list is controlled more freely changes reciprocating booster, it is characterized in that:The automatic control mouth, outside control mouth set unidirectional
Throttle valve.
The utility model pilot operated directional control valve pilot control is changed into automatic control, external control selection control from original single control, from
And any single cylinder or continuous more cylinder workings are realized, in being pressurized in operation any pressurized cylinder failure and will not cause operation
It is disconnected, it greatly strengthen stability during long-term work.
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;
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 check valves of 11-, the second hydraulic control one-way valves of 12-, the 3rd hydraulic control one-way valves of 13-, the 4th check valves of 14-, 15-
Bidirectional locking valve group, 16- Solenoid ball valves, 17- left piston chambers, 18- right piston chambers, 19- automatic control mouths, 20- outside control mouths, 21- the 3rd
Pressurized cylinder, the 3rd pilot operated directional control valves of 22-, the 3rd on-off valves of 23-.
Embodiment
Embodiment one:
As shown in Figure 1, 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 booster, pilot operated directional control valve matching hydraulic control one-way valve group 8, hydraulic control individual event
Valve group 8 includes 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 supercharging
Device 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
On the outside of automatic control mouth, second pressurized cylinder or so plunger shaft opens automatic control mouth 20.All automatic control mouths, outside control mouth are 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 1 or so piston of the first pressurized cylinder respectively
Resonator end surface, left side pilot port match the first check valve in hydraulic control one-way valve group by it and connect 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 mouth by the 4th check valve, and left side pilot port passes through second
Hydraulic control one-way valve connects oil return line X, and right side pilot port connects oil return line X, right side pilot port by the 3rd hydraulic control one-way valve
First on-off valve 5 is set.First pressurized cylinder left piston chamber automatic control mouth connects the second hydraulic control one-way valve pilot port, 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 2 or so piston of the second pressurized cylinder respectively
Resonator end surface, left side pilot port match the first check valve in hydraulic control one-way valve group by it and connect outside the first pressurized cylinder left piston chamber
Mouth and the second pressurized cylinder left piston chamber automatic control mouth 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 connect oil return line X by the 3rd hydraulic control one-way valve, and right side pilot port sets the second on-off valve 6.The
Two pressurized cylinder left piston chamber automatic control mouths connect the second hydraulic control one-way valve pilot port, right piston chamber automatic control mouth connects the 3rd fluid-control one-way
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 mouth, the 3rd hydraulic control one-way valve pilot port, the 4th check valve and
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 mouth
Bidirectional locking valve group 15, the hydraulic control one-way valve that bidirectional locking valve group is connected and is oppositely arranged by two form, wherein, increase with first
The matched bidirectional locking valve group pilot port of 1 outside control mouth of cylinder pressure connects the A mouths of the first solenoid directional control valve 7, with 2 automatic control of the second pressurized cylinder
The matched bidirectional locking valve group pilot port of mouth 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 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 matched hydraulic control
The 4th check valve, the first on-off valve enter pilot port on the right side of the first pilot operated directional control valve, while right piston intracavitary pressure in unidirectional valve group
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, and the commutation of the first pilot operated directional control valve, P mouthfuls logical with 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, while left piston chamber by the first check valve
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 logical with A mouthfuls, so moves in circles, makes pressure continue to export.
When only needing the second supercharging cylinder working, 5 right side electromagnet of the first on-off valve obtains electric, the second on-off valve 6, the first electromagnetism
7 left side electromagnet of reversal valve obtains electric.The P mouths of second pilot operated directional control valve 3 and A mouthful it is logical, T mouthful and B mouthfuls lead to, oil feed line pressure oil into
Enter the first pressurized cylinder left piston chamber, piston moves right, and when exposing left piston chamber automatic control mouth, 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, while left piston cavity pressure in matched fluid-control one-way valve group
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 first pilot operated directional control valve commutation, P mouthful with B mouthful lead to, T mouthfuls and
A mouthfuls are logical, and oil feed line pressure oil enters the first pressurized cylinder right piston chamber, promote piston to be moved to the left, when expose right piston chamber oneself
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 at the same time
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 logical with A mouthfuls, and T mouthfuls logical with B mouthfuls, so moves in circles, makes pressure continue to export.
When needing the first pressurized cylinder, the second pressurized cylinder to work at the same time, the first on-off valve 5, second the 6, first electricity of on-off valve
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 A mouthfuls, and T mouthfuls logical with 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 two pressurized cylinder pistons to move, pressure oil is corresponding into its A mouthfuls by the first solenoid directional control valve 7 in oil feed line
Bidirectional locking valve group, makes valve group be in open mode, and when the first pressurized cylinder right piston chamber outside 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 second pressurized cylinder 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 enter the second hydraulic control one-way valve pilot port, the second hydraulic control one-way valve
To open, pilot port connects oil 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 logical with B mouthfuls, and T mouthfuls logical with 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, and when exposing right piston chamber automatic control mouth, right piston cavity pressure oil is logical
Cross the 4th check valve in one-way throttle valve, matched fluid-control one-way valve group, the first on-off valve enters 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
Commutate to valve, P mouthfuls logical with A mouthfuls, and T mouthfuls logical with 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 matched liquid of the second pressurized cylinder 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 enters 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
Oil return line X drainings are connected, the commutation of the second pilot operated directional control valve, P mouthfuls logical with A mouthfuls, and T mouthfuls logical with B mouthfuls, and oil feed line pressure oil enters
Second pressurized cylinder left piston chamber, promotes piston to move right.
First pressurized cylinder piston continues to move right, and when exposing left piston chamber automatic control mouth, left piston cavity pressure oil is logical
Cross the first check valve in one-way throttle valve, matched fluid-control one-way valve group and enter pilot port on the left of the first pilot operated directional control valve, at the same time
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 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, the present embodiment by bidirectional locking valve group in embodiment two and the first solenoid directional control valve by Solenoid ball valve
Instead of 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.
Operating principle is the same as embodiment one when the present embodiment is pressurized operation.
Embodiment three:
As shown in figure 3, 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 check valve 11, the second hydraulic control one-way valve 12, the 3rd hydraulic control
Check valve 13, the 4th check valve 14, the booster include left piston chamber 17 and right piston chamber 18, and the first pressurized cylinder, second increases
Cylinder pressure 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 plunger shaft is opened certainly
Control mouth.
First pilot operated directional control valve 3 is two-position four-way pilot operated directional control valve, and A, B mouthfuls connect 1 or so piston of the first pressurized cylinder respectively
Resonator end surface, left side pilot port match the first check valve in hydraulic control one-way valve group by it and connect 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 mouth by the 4th check valve, and left side pilot port passes through second
Hydraulic control one-way valve connects oil return line X, and right side pilot port connects oil return line X, right side pilot port by the 3rd hydraulic control one-way valve
First on-off valve 5 is set.First pressurized cylinder left piston chamber automatic control mouth connects the second hydraulic control one-way valve pilot port, 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 2 or so piston of the second pressurized cylinder respectively
Resonator end surface, left side pilot port match the first check valve in hydraulic control one-way valve group by it and connect outside the first pressurized cylinder left piston chamber
Mouth and the second pressurized cylinder left piston chamber automatic control mouth 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 connect oil return line X by the 3rd hydraulic control one-way valve, and right side pilot port sets the second on-off valve 6.The
Two pressurized cylinder left piston chamber automatic control mouths connect the second hydraulic control one-way valve pilot port, right piston chamber automatic control mouth connects the 3rd fluid-control one-way
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 mouth 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 control mouths.Bidirectional locking valve group is connected and is oppositely arranged by two
Hydraulic control one-way valve composition, wherein, be connected the first electromagnetism with the matched bidirectional locking valve group pilot port of 1 outside control mouth of the first pressurized cylinder
The A mouths of reversal valve 7, the first solenoid directional control valve 7 is connected with the matched bidirectional locking valve group pilot port of 2 automatic control mouth of the second pressurized cylinder
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 connect oil 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 mouth, 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 connect oil return line X by the 3rd hydraulic control one-way valve, and right side pilot port sets the 3rd on-off valve 23.
3rd pressurized cylinder left piston chamber automatic control mouth connects the second hydraulic control one-way valve pilot port, right piston chamber automatic control mouth connects the 3rd hydraulic control list
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 mouth, 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 mouth.
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 (4)
1. a kind of list is controlled more freely changes reciprocating booster, including at least two pressurized cylinders, the booster order arranges, each to increase
Depressor matches pilot operated directional control valve, and the left and right plunger shaft of the pressurized cylinder sets automatic control mouth and outside control mouth, it is characterized in that:The hydraulic control
Reversal valve pilot port connects its matched pressurized cylinder automatic control mouth of institute and upper order pressurized cylinder outside control mouth, automatic control mouth, external control respectively
On-off valve is set respectively between mouth and pilot operated directional control valve pilot port.
2. a kind of list according to claim 1 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, described in the hydraulic control one-way valve pilot port connection for matching automatic control mouth, outside control mouth
Switching valve difference hydraulic fluid port.
3. a kind of list according to claim 2 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.
4. a kind of list according to claim 1,2 or 3 is controlled more freely changes reciprocating booster, 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 |
---|---|---|---|
CN201720584136.0U CN207278599U (en) | 2017-05-24 | 2017-05-24 | A kind of list is controlled more freely changes reciprocating booster |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720584136.0U CN207278599U (en) | 2017-05-24 | 2017-05-24 | A kind of list is controlled more freely changes reciprocating booster |
Publications (1)
Publication Number | Publication Date |
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CN207278599U true CN207278599U (en) | 2018-04-27 |
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ID=61992395
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CN201720584136.0U Active CN207278599U (en) | 2017-05-24 | 2017-05-24 | A kind of list is controlled more freely changes reciprocating booster |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106989076A (en) * | 2017-05-24 | 2017-07-28 | 晋中浩普液压设备有限公司 | Reciprocating booster is freely changed in control more than a kind of list |
CN109026863A (en) * | 2018-08-23 | 2018-12-18 | 吕律廷 | The hydraulic oil-field oil pumper of full hydraulic control |
-
2017
- 2017-05-24 CN CN201720584136.0U patent/CN207278599U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106989076A (en) * | 2017-05-24 | 2017-07-28 | 晋中浩普液压设备有限公司 | Reciprocating booster is freely changed in control more than a kind of list |
CN109026863A (en) * | 2018-08-23 | 2018-12-18 | 吕律廷 | The hydraulic oil-field oil pumper of full hydraulic control |
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