CN106194866B - The continuous lifting hydraulic control system of ocean platform - Google Patents
The continuous lifting hydraulic control system of ocean platform Download PDFInfo
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- CN106194866B CN106194866B CN201610728231.3A CN201610728231A CN106194866B CN 106194866 B CN106194866 B CN 106194866B CN 201610728231 A CN201610728231 A CN 201610728231A CN 106194866 B CN106194866 B CN 106194866B
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- reversal valve
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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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- 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
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
-
- 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
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B2013/0412—Valve members; Fluid interconnections therefor with three positions
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
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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
The invention discloses a kind of continuous lifting hydraulic control systems of ocean platform, belong to hydraulic system technical field.The input terminal of hydraulic pump in the hydraulic control system is connected with fuel tank, P mouth of the output terminal of hydraulic pump respectively with the P of the first three position four-way directional control valve mouths and the second three position four-way directional control valve connects, the A mouths of first three position four-way directional control valve and B mouthfuls connect respectively with the rod chamber of the first lift cylinder and rodless cavity, A mouth of the T mouths of first two-bit triplet reversal valve respectively with the T of the first three position four-way directional control valve mouths and the second three position four-way directional control valve is connected, the A mouths of first two-bit triplet reversal valve and B mouthfuls connect respectively with the rodless cavity of the second lift cylinder and rod chamber, the T mouths of second three position four-way directional control valve are connected with the P mouths of the second two-bit triplet reversal valve, the A mouths of second two-bit triplet reversal valve and B mouthfuls connect respectively with the rodless cavity of the first lift cylinder and rod chamber.Co- controlling of the hydraulic pump to two lift cylinders can be achieved in the present invention.
Description
Technical field
The present invention relates to hydraulic system technical field, more particularly to a kind of continuous lifting hydraulic control system of ocean platform.
Background technology
In field of ocean engineering, self-elevating ocean platform application is extremely extensive, which is usually required for adopting
With jacking system band moving platform along the axially consecutive lifting of spud leg.
Hydraulic continuous jacking system is a kind of common lifting of ocean platform form, it be provided on spud leg rotating ring beam and
Determine ring beam, rotating ring beam and determine to connect by the first lift cylinder between ring beam, determine to carry by second between ring beam and ocean platform
Oil-lifting jar connects, and the latch assembly in insertion spud leg is both provided on ring beam in rotating ring beam and determine, by the first lift cylinder with
The Plug Action of the expanding-contracting action and latch assembly of second lift cylinder can complete continuous lifting of the ocean platform along spud leg axial direction
Action.
In the implementation of the present invention, inventor has found that the prior art has at least the following problems：
In the prior art, the first lift cylinder and the second lift cylinder correspondence are controlled by a set of control system, and two
When a lift cylinder acts simultaneously, the traffic demand of hydraulic oil is very big, increases control cost.
The content of the invention
It is carried out to solve the first lift cylinder in the prior art and the second lift cylinder correspondence by a set of control system
The problem of control causes control cost increase, an embodiment of the present invention provides a kind of continuous raise-lower hydraulic control systems of ocean platform
System.The technical solution is as follows：
A kind of continuous lifting hydraulic control system of ocean platform, first suitable for hydraulic continuous jacking system promotes oil
Cylinder and the second lift cylinder, the hydraulic continuous jacking system are used to that ocean platform to be controlled continuously to lift, which is characterized in that described
Hydraulic control system includes：Fuel tank, hydraulic pump, the first three position four-way directional control valve, the second three position four-way directional control valve, the first two three
Logical reversal valve and the second two-bit triplet reversal valve, the input terminal of the hydraulic pump are connected with fuel tank, the output terminal of the hydraulic pump
The P mouths with the P mouths of first three position four-way directional control valve and second three position four-way directional control valve connect respectively, and the described 1st
The A mouths of position and four-way reversing valve are connected with the rod chamber of first lift cylinder, the B mouths of first three position four-way directional control valve with
The rodless cavity connection of first lift cylinder, the P mouths of the first two-bit triplet reversal valve change respectively with first 3-position 4-way
The A mouths of T mouths and second three position four-way directional control valve to valve are connected, the A mouths of the first two-bit triplet reversal valve and institute
State the rodless cavity connection of the second lift cylinder, the B mouths of the first two-bit triplet reversal valve and having for second lift cylinder
Rod cavity connects, and the B mouths of second three position four-way directional control valve are connected with the rod chamber of second lift cylinder, and the described 2nd 3
The T mouths of position and four-way reversing valve are connected with the P mouths of the second two-bit triplet reversal valve, the A of the second two-bit triplet reversal valve
Mouth is connected with the rodless cavity of first lift cylinder, and the B mouths of the second two-bit triplet reversal valve promote oil with described first
The rod chamber connection of cylinder.
Further, is provided between the output terminal of the hydraulic pump and the P mouths of first three position four-way directional control valve
Three two-bit triplet reversal valves, the P mouths of the 3rd two-bit triplet reversal valve are connected with the output terminal of the hydraulic pump, and the described 3rd
The A mouths of two-bit triplet reversal valve and the B mouthfuls of P for passing through the first branch and the second branch and first three position four-way directional control valve respectively
Mouth connects, and is provided with the first check valve in the first branch, the first speed governing valve is provided in the second branch.First is unidirectional
Valve can be such that hydraulic oil quickly flows, and make the telescopic end of the first lift cylinder and the telescopic end quick-expansion of the second lift cylinder；
First speed governing valve can be such that hydraulic oil at the uniform velocity flows, make the first lift cylinder telescopic end and the second lift cylinder telescopic end it is even
Speed is flexible.
Further, is provided between the output terminal of the hydraulic pump and the P mouths of second three position four-way directional control valve
Four two-bit triplet reversal valves, the P mouths of the 4th two-bit triplet reversal valve are connected with the output terminal of the hydraulic pump, and the described 4th
The A mouths of two-bit triplet reversal valve and the B mouthfuls of P for passing through the 3rd branch and the 4th branch and second three position four-way directional control valve respectively
Mouth connection, the 3rd road are provided with the second check valve, and the 4th road is provided with the second speed governing valve.Second is unidirectional
Valve can be such that hydraulic oil quickly flows, and make the telescopic end of the first lift cylinder and the telescopic end quick-expansion of the second lift cylinder；
Second speed governing valve can be such that hydraulic oil at the uniform velocity flows, make the first lift cylinder telescopic end and the second lift cylinder telescopic end it is even
Speed is flexible.
Further, the hydraulic control system further includes the 5th two-bit triplet reversal valve, and the 5th two-bit triplet changes
The T mouths of A mouths and first three position four-way directional control valve to valve connect, the T mouths of the 5th two-bit triplet reversal valve with it is described
Fuel tank connects, and the P mouths of the 5th two-bit triplet reversal valve are connected with the P mouths of the first two-bit triplet reversal valve.Pass through control
The oil circuit of the 5th two-bit triplet reversal valve is made, the first lift cylinder and the second lift cylinder operating alone can be made.
Further, the hydraulic control system further includes the 6th two-bit triplet reversal valve, and the 6th two-bit triplet changes
The T mouths of A mouths and second three position four-way directional control valve to valve connect, the T mouths of the 6th two-bit triplet reversal valve with it is described
Fuel tank connects, and the P mouths of the 6th two-bit triplet reversal valve are connected with the P mouths of the second two-bit triplet reversal valve.Pass through control
The oil circuit of the 9th check valve is made, the first lift cylinder and the second lift cylinder operating alone can be made.
Further, the hydraulic control system further includes 2/2-way reversal valve, the B mouths of the 2/2-way reversal valve
It is connected with the rodless cavity of first lift cylinder, P mouths and second lift cylinder of the 2/2-way reversal valve
Rodless cavity is connected.By controlling the oil circuit of 2/2-way reversal valve, the telescopic end and second that can make the first lift cylinder carry
The telescopic end of oil-lifting jar elongates or shortens simultaneously.
Further, the hydraulic control system further includes the 7th two-bit triplet reversal valve and the commutation of the 8th two-bit triplet
Valve, the A mouths of the 7th two-bit triplet reversal valve are connected with the rodless cavity of first lift cylinder, the 7th two-bit triplet
The P mouths of reversal valve are connected with the fuel tank, the T mouths closing of the 7th two-bit triplet reversal valve；8th two-bit triplet changes
It is connected to the A mouths of valve with the rod chamber of first lift cylinder, P mouths and the fuel tank of the 8th two-bit triplet reversal valve
Connection, the T mouths closing of the 8th two-bit triplet reversal valve.Pass through the oil circuit of the 7th two-bit triplet reversal valve of control and the 8th liang
Position three-way diverter valve oil circuit, can control the first lift cylinder rodless cavity and the first lift cylinder rod chamber respectively with oil
The connection of case.
Preferably, set between the A mouths of the 7th two-bit triplet reversal valve and the rodless cavity of first lift cylinder
There is the 3rd speed governing valve, be provided between the A mouths of the 8th two-bit triplet reversal valve and the rod chamber of first lift cylinder
4th speed governing valve.The setting of 3rd speed governing valve and the 4th speed governing valve can make the reflux of hydraulic oil at the uniform velocity steady.
Further, the hydraulic control system further includes the 9th two-bit triplet reversal valve and the commutation of the tenth two-bit triplet
Valve, the A mouths of the 9th two-bit triplet reversal valve are connected with the rod chamber of second lift cylinder, the 9th two-bit triplet
The T mouths of reversal valve are connected with the fuel tank, the P mouths closing of the 9th two-bit triplet reversal valve；Tenth two-bit triplet changes
It is connected to the A mouths of valve with the rodless cavity of second lift cylinder, T mouths and the fuel tank of the tenth two-bit triplet reversal valve
Connection, the P mouths closing of the tenth two-bit triplet reversal valve.Pass through the oil circuit of the 9th two-bit triplet reversal valve of control and the tenth liang
Position three-way diverter valve oil circuit, can control the second lift cylinder rod chamber and the second lift cylinder rodless cavity respectively with oil
The connection of case.
Preferably, set between the A mouths of the 9th two-bit triplet reversal valve and the rod chamber of second lift cylinder
There is the 5th speed governing valve, be provided between the A mouths of the tenth two-bit triplet reversal valve and the rodless cavity of second lift cylinder
6th speed governing valve.The setting of 5th speed governing valve and the 6th speed governing valve can make the reflux of hydraulic oil at the uniform velocity steady.
The operation principle of technical solution provided in an embodiment of the present invention is：
1st, hydraulic oil flows to the rod chamber of the first lift cylinder through hydraulic pump and the first three position four-way directional control valve, makes first to carry
The telescopic end of oil-lifting jar is shunk, the hydraulic oil in the rodless cavity of the first lift cylinder through the first three position four-way directional control valve, first liang
Position three-way diverter valve is flowed in the rodless cavity of the second lift cylinder, extends the telescopic end of the second lift cylinder, and second promotes oil
Hydraulic oil in the rod chamber of cylinder is back to fuel tank, forming circuit；
2nd, hydraulic oil flows to the rodless cavity of the first lift cylinder through hydraulic pump and the first three position four-way directional control valve, makes first to carry
The telescopic end elongation of oil-lifting jar, hydraulic oil in the rod chamber of the first lift cylinder through the first three position four-way directional control valve, first liang
Position three-way diverter valve is flowed in the rod chamber of the second lift cylinder, shrinks the telescopic end of the second lift cylinder, and second promotes oil
Hydraulic oil in the rodless cavity of cylinder is back to fuel tank, forming circuit；
3rd, hydraulic oil flows to the rod chamber of the second lift cylinder through hydraulic pump and the second three position four-way directional control valve, makes second to carry
The telescopic end of oil-lifting jar is shunk, and the hydraulic oil in the rodless cavity of the second lift cylinder is through the first two-bit triplet reversal valve, the two or three
Position and four-way reversing valve and the second two-bit triplet reversal valve are flowed in the rodless cavity of the first lift cylinder, make stretching for the first lift cylinder
Contracting end extends, and the hydraulic oil in the rod chamber of the first lift cylinder is back to fuel tank, is formed into a loop；
4th, hydraulic oil flows to the second promotion oil through hydraulic pump, the second three position four-way directional control valve and the first two-bit triplet reversal valve
The rodless cavity of cylinder extends the telescopic end of the second lift cylinder, and the hydraulic oil in the rod chamber of the second lift cylinder is through the two or three
Position and four-way reversing valve and the second two-bit triplet reversal valve are flowed in the rod chamber of the first lift cylinder, make stretching for the second lift cylinder
Contracting end is shunk, and the hydraulic oil in the rodless cavity of the first lift cylinder is back to fuel tank, is formed into a loop.
To sum up above-mentioned, the embodiment of the present invention can be by controlling two three position four-way directional control valves and two two-bit triplets to commutate
Valve realizes a hydraulic pump to the co- controllings of two lift cylinders so that the traffic demand of hydraulic oil reduces, reduce control into
This.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the principle schematic of the continuous lifting hydraulic control system of ocean platform provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to the embodiment of the present invention
Mode is described in further detail.
An embodiment of the present invention provides a kind of continuous lifting hydraulic control systems of ocean platform, are lifted suitable for hydraulic continuous
The first lift cylinder 9 and the second lift cylinder 10 in system.
Fig. 1 is the principle schematic of the continuous lifting hydraulic control system of ocean platform provided in an embodiment of the present invention, referring to
Fig. 1, the hydraulic control system include：Fuel tank 19, hydraulic pump 1, the first three position four-way directional control valve 8, the second three position four-way directional control valve
17th, the first two-bit triplet reversal valve 14 and the second two-bit triplet reversal valve 12, the input terminal of hydraulic pump 1 are connected with fuel tank, hydraulic pressure
P mouth of the output terminal of pump 1 respectively with the P mouths of the first three position four-way directional control valve 8 and the second three position four-way directional control valve 17 connects, and first
The A mouths of three position four-way directional control valve 8 are connected with the rod chamber of the first lift cylinder 9, the B mouths of the first three position four-way directional control valve 8 and the
The rodless cavity connection of one lift cylinder 9, the P mouths of the first two-bit triplet reversal valve 14 T with the first three position four-way directional control valve 8 respectively
Mouth is connected with the A mouths of the second three position four-way directional control valve 17, A mouths and the second lift cylinder 10 of the first two-bit triplet reversal valve 14
Rodless cavity connection, the B mouths of the first two-bit triplet reversal valve 14 connect with the rod chamber of the second lift cylinder 10, the two or three four
B mouths of logical reversal valve 17 is connected with the rod chamber of the second lift cylinder 10, the T mouths of the second three position four-way directional control valve 17 and second liang
The P mouths connection of position three-way diverter valve 12, the A mouths of the second two-bit triplet reversal valve 12 are connected with the rodless cavity of the first lift cylinder 9,
The B mouths of second two-bit triplet reversal valve 12 are connected with the rod chamber of the first lift cylinder 9.
In the embodiment of the present invention, set between fuel tank 19 and hydraulic pump 1 there are one safety valve 3, safety valve 3 is hydraulic pump
1 provides overpressure protection, and when pressure is more than that safety valve 3 sets pressure, hydraulic pump 1 can not export hydraulic oil from fuel tank 19.
In the embodiment of the present invention, it can be set between the P mouths of the output terminal of hydraulic pump 1 and the first three position four-way directional control valve 8
There is the 3rd two-bit triplet reversal valve 2, the P mouths of the 3rd two-bit triplet reversal valve 2 are connected with the output terminal of hydraulic pump 1, the 3rd two
The A mouths of three-way diverter valve 2 and the B mouthfuls of P mouths companies for passing through the first branch and the second branch and the first three position four-way directional control valve 8 respectively
It is logical, the first check valve 5 can be provided in the first branch, the first speed governing valve 4 can be provided in the second branch.First check valve
5 can be such that hydraulic oil quickly flows, and the telescopic end of the first lift cylinder 9 and the telescopic end of the second lift cylinder 10 is made quickly to stretch
Contracting；First speed governing valve 4 can be such that hydraulic oil at the uniform velocity flows, and make the telescopic end and second lift cylinder 10 of the first lift cylinder 9
Telescopic end is at the uniform velocity flexible.
In the embodiment of the present invention, it can be set between the P mouths of the output terminal of hydraulic pump 1 and the second three position four-way directional control valve 17
There is the 4th two-bit triplet reversal valve 22, the P mouths of the 4th two-bit triplet reversal valve 22 are connected with the output terminal of hydraulic pump 1, the 4th liang
Position three-way diverter valve 22 A mouths and B mouthfuls pass through the 3rd branch c and P of the 4th branch d and the second three position four-way directional control valve 17 respectively
Mouth connects, and can be provided with the second check valve 20 on the 3rd branch c, the second speed governing valve 21 can be provided on the 4th branch d.The
Two check valves 20 can be such that hydraulic oil quickly flows, and make the telescopic end of the first lift cylinder 9 and stretching for the second lift cylinder 10
Hold quick-expansion；Second speed governing valve 21 can be such that hydraulic oil at the uniform velocity flows, and the telescopic end and second for making the first lift cylinder 9 are promoted
The telescopic end of oil cylinder 10 is at the uniform velocity flexible.
The hydraulic control system of the embodiment of the present invention can also include the 5th two-bit triplet reversal valve 13, the 5th two-bit triplet
The A mouths of reversal valve 13 are connected with the T mouths of the first three position four-way directional control valve 8, T mouths and the fuel tank 19 of the 5th two-bit triplet reversal valve 13
Connection, the P mouths of the 5th two-bit triplet reversal valve 13 are connected with the P mouths of the first two-bit triplet reversal valve 14.By controlling the 5th liang
The oil circuit of position three-way diverter valve 13, can make 10 operating alone of the first lift cylinder 9 and the second lift cylinder.
The hydraulic control system of the embodiment of the present invention can also include the 6th two-bit triplet reversal valve 18, the 6th two-bit triplet
The A mouths of reversal valve 18 are connected with the T mouths of the second three position four-way directional control valve 17, the T mouths and fuel tank of the 6th two-bit triplet reversal valve 18
19 connections, the P mouths of the 6th two-bit triplet reversal valve 18 are connected with the P mouths of the second two-bit triplet reversal valve 12.Pass through control the 6th
The oil circuit of two-bit triplet reversal valve 18 can make 10 operating alone of the first lift cylinder 9 and the second lift cylinder.
The hydraulic control system of the embodiment of the present invention can also include 2/2-way reversal valve 11,2/2-way reversal valve 11
B mouths be connected with the rodless cavity of the first lift cylinder 9, the nothing of the P mouths and the second lift cylinder 10 of 2/2-way reversal valve 11
Rod cavity is connected.By controlling the oil circuit of 2/2-way reversal valve 11, the telescopic end and second that can make the first lift cylinder 9 carry
The telescopic end of oil-lifting jar 10 elongates or shortens simultaneously.
The hydraulic control system of the embodiment of the present invention further includes the 7th two-bit triplet reversal valve 6 and the commutation of the 8th two-bit triplet
Valve 7, the A mouths of the 7th two-bit triplet reversal valve 6 are connected with the rodless cavity of the first lift cylinder 9, the 7th two-bit triplet reversal valve 6
P mouthfuls connect with fuel tank 19, the T mouths closing of the 7th two-bit triplet reversal valve 6；The A mouths of 8th two-bit triplet reversal valve 7 are carried with first
The rod chamber connection of oil-lifting jar 9, the P mouths of the 8th two-bit triplet reversal valve 7 are connected with fuel tank 19, the 8th two-bit triplet reversal valve 7
T mouths closing.By controlling the oil circuit of the 7th two-bit triplet reversal valve 6 and the oil circuit of the 8th two-bit triplet reversal valve 7, can control
Make the rod chamber connection with fuel tank respectively of the rodless cavity and the first lift cylinder 9 of the first lift cylinder 9.
In the embodiment of the present invention, set between the A mouths of the 7th two-bit triplet reversal valve 6 and the rodless cavity of the first lift cylinder 9
The 3rd speed governing valve 23 is equipped with, is provided between the A mouths of the 8th two-bit triplet reversal valve 7 and the rod chamber of the first lift cylinder 9
Four speed governing valves 24.The setting of 3rd speed governing valve 23 and the 4th speed governing valve 24 can make the reflux of hydraulic oil at the uniform velocity steady.
The hydraulic control system of the embodiment of the present invention further includes the 9th two-bit triplet reversal valve 16 and the tenth two-bit triplet changes
To valve 15, the A mouths of the 9th two-bit triplet reversal valve 16 are connected with the rod chamber of the second lift cylinder 10, the commutation of the 9th two-bit triplet
The T mouths of valve 16 are connected with fuel tank 19, the P mouths closing of the 9th two-bit triplet reversal valve 16；The A mouths of tenth two-bit triplet reversal valve 15
It is connected with the rodless cavity of the second lift cylinder 10, the T mouths of the tenth two-bit triplet reversal valve 15 are connected with fuel tank 19, the 12nd three
The P mouths closing of logical reversal valve 15.By the oil circuit and the tenth two-bit triplet reversal valve 15 that control the 9th two-bit triplet reversal valve 16
Oil circuit, the rod chamber of the second lift cylinder 10 and the rodless cavity company with fuel tank respectively of the second lift cylinder 10 can be controlled
It is logical.
It is set between the A mouths of 9th two-bit triplet reversal valve 16 of the embodiment of the present invention and the rod chamber of the second lift cylinder 10
The 5th speed governing valve 25 is equipped with, is provided between the A mouths of the tenth two-bit triplet reversal valve 15 and the rodless cavity of the second lift cylinder 10
6th speed governing valve 26.The setting of 5th speed governing valve 25 and the 6th speed governing valve 26 can make the reflux of hydraulic oil at the uniform velocity steady.
In the embodiment of the present invention, all reversal valves can select solenoid directional control valve.
Here is the control program for the continuous lifting hydraulic control system of ocean platform that the embodiment of the present invention is provided：
1st, the DT1 of the 3rd two-bit triplet reversal valve 2, the DT2 of the first three position four-way directional control valve 8, the commutation of the 5th two-bit triplet
The DT13 of the DT4 of valve 13 and the 9th two-bit triplet reversal valve 16 obtains electric, and hydraulic oil is through hydraulic pump 1, the 3rd two-bit triplet reversal valve 2
And first three position four-way directional control valve 8 flow to the rod chamber of the first lift cylinder 9, shrink the telescopic end of the first lift cylinder 9,
Hydraulic oil in the rodless cavity of one lift cylinder 9 is through the first three position four-way directional control valve 8, the 5th two-bit triplet reversal valve 13 and first
Two-bit triplet reversal valve 14 is flowed in the rodless cavity of the second lift cylinder 10, extends the telescopic end of the second lift cylinder 10, the
Hydraulic oil in the rod chamber of two lift cylinders 10 is back to fuel tank 19 through the 9th two-bit triplet reversal valve 16, forming circuit；
2nd, the DT1 of the 3rd two-bit triplet reversal valve 2, the DT3 of the first three position four-way directional control valve 8, the commutation of the 5th two-bit triplet
The DT12 of the DT4 of valve 13, the DT7 of the first two-bit triplet reversal valve 14 and the tenth two-bit triplet reversal valve 15 obtain electric, hydraulic oil warp
Hydraulic pump 1, the 3rd two-bit triplet reversal valve 2 and the first three position four-way directional control valve 8 flow to the rodless cavity of the first lift cylinder 9, make
The telescopic end of first lift cylinder 9 extends, and the hydraulic oil in the rod chamber of the first lift cylinder 9 is through the first three position four-way directional control valve
8th, the 5th two-bit triplet reversal valve 13 and the first two-bit triplet reversal valve 14 are flowed in the rod chamber of the second lift cylinder 10, make
The telescopic end of two lift cylinders 10 is shunk, and the hydraulic oil in the rodless cavity of the second lift cylinder 10 is through the tenth two-bit triplet reversal valve
15 are back to fuel tank 19, forming circuit；
3rd, the DT11 of the 4th two-bit triplet reversal valve 22, the DT9 of the second three position four-way directional control valve 17, the 6th two-bit triplet change
The DT14 of DT10 and the 8th two-bit triplet reversal valve 7 to valve 18 obtain it is electric, hydraulic oil through hydraulic pump 1, the 4th two-bit triplet commutate
22 and second three position four-way directional control valve 17 of valve flows to the rod chamber of the second lift cylinder 10, makes the telescopic end of the second lift cylinder 10
It shrinks, the hydraulic oil in the rodless cavity of the second lift cylinder 10 commutates through the first two-bit triplet reversal valve 14, the second 3-position 4-way
Valve 17, the 6th two-bit triplet reversal valve 18 and the second two-bit triplet reversal valve 12 are flowed in the rodless cavity of the first lift cylinder 9, are made
The telescopic end of first lift cylinder 9 extends, and the hydraulic oil in the rod chamber of the first lift cylinder 9 is through the 8th two-bit triplet reversal valve
7 are back to fuel tank 19, forming circuit；
4th, the DT8 and the 6th two-bit triplet of the DT11 of the 4th two-bit triplet reversal valve 22, the second three position four-way directional control valve 17
The DT15 of the DT10 of reversal valve 18, the DT5 of the second two-bit triplet reversal valve 12 and the 7th two-bit triplet reversal valve 6 obtain electric, hydraulic pressure
Oil is flowed through hydraulic pump 1, the 4th two-bit triplet reversal valve 22, the second three position four-way directional control valve 17 and the first two-bit triplet reversal valve 14
To the rodless cavity of the second lift cylinder 10, extend the telescopic end of the second lift cylinder 10, the rod chamber of the second lift cylinder 10
In hydraulic oil flowed through the second three position four-way directional control valve 17, the 6th two-bit triplet reversal valve 18 and the second two-bit triplet reversal valve 12
Into the rod chamber of the first lift cylinder 9, shrink the telescopic end of the second lift cylinder 9, in the rodless cavity of the first lift cylinder 9
Hydraulic oil be back to fuel tank through the 7th two-bit triplet reversal valve 6, be formed into a loop；
In control program 1-4, each scheme is operationally only to be run there are one three position four-way directional control valve, you can with reality
Show co- controlling of the three position four-way directional control valve to two lift cylinders, when two lift cylinders act, mutual repairing, with
Reduce the traffic demand of hydraulic oil, play an important role of energy saving cost-effective；
In control program 1-4, the purpose for setting two three position four-way directional control valves also resides in：When one of 3-position 4-way
Reversal valve breaks down, it is impossible to which during normal operation, another three position four-way directional control valve can also continue to run, and ocean is kept to put down
The normal lifting of platform；
5th, the DT1 of the 3rd two-bit triplet reversal valve 2, the DT2 of the first three position four-way directional control valve 8 and the commutation of the 7th two-bit triplet
The DT15 of valve 6 obtains electric, and hydraulic oil flows to through hydraulic pump 1, the 3rd two-bit triplet reversal valve 2 and the first three position four-way directional control valve 8
The rod chamber of one lift cylinder 9 shrinks the telescopic end of the first lift cylinder 9, the hydraulic pressure in the rodless cavity of the first lift cylinder 9
Oil is back to fuel tank 19 through the 7th two-bit triplet reversal valve 6, forming circuit；
6th, the DT1 of the 3rd two-bit triplet reversal valve 2, the DT3 of the first three position four-way directional control valve 8 and the commutation of the 8th two-bit triplet
The DT14 of valve 7 obtains electric, and hydraulic oil flows to through hydraulic pump 1, the 3rd two-bit triplet reversal valve 2 and the first three position four-way directional control valve 8
The rodless cavity of one lift cylinder 9 extends the telescopic end of the first lift cylinder 9, the hydraulic pressure in the rod chamber of the first lift cylinder 9
Oil is back to fuel tank 19 through the 8th two-bit triplet reversal valve 7, forming circuit；
Control program 5 and 6 is to realize the individually independent control to the first lift cylinder 9；
7th, the DT9 and the tenth two-bit triplet of the DT11 of the 4th two-bit triplet reversal valve 22, the second three position four-way directional control valve 17
The DT12 of reversal valve 15 obtains electric, and hydraulic oil is through hydraulic pump 1, the 4th two-bit triplet reversal valve 22 and the second three position four-way directional control valve 17
Flow to the rod chamber of the second lift cylinder 10, shorten the telescopic end of the second lift cylinder 10, the second lift cylinder 10 without bar
Hydraulic oil in chamber is back to fuel tank 19 through the tenth two-bit triplet reversal valve 15, forming circuit；
8th, the DT8 and the 9th two-bit triplet of the DT11 of the 4th two-bit triplet reversal valve 22, the second three position four-way directional control valve 17
The DT13 of reversal valve 16 obtains electric, and hydraulic oil is through hydraulic pump 1, the 4th two-bit triplet reversal valve 22, the second three position four-way directional control valve 17
And first two-bit triplet reversal valve 14 flow to the rodless cavity of the second lift cylinder 10, stretch the telescopic end of the second lift cylinder 10
Long, the hydraulic oil in the rod chamber of the second lift cylinder 10 is back to fuel tank 19 through the 9th two-bit triplet reversal valve 16, is formed back
Road；
Control program 7 and 8 is the independent control realized to the second lift cylinder 10
9th, the DT1 of the 3rd two-bit triplet reversal valve 2, the DT3 of the first three position four-way directional control valve 8,2/2-way reversal valve 11
DT6, the DT14 of the 8th two-bit triplet reversal valve 7 and the DT13 of the 9th two-bit triplet reversal valve 16 obtain electric, hydraulic oil is through hydraulic pressure
It is divided into two after the 1, the 3rd two-bit triplet reversal valve 2 of pump and the output of the first three position four-way directional control valve 8, a part of hydraulic oil flows into
In the rodless cavity of first lift cylinder 9, extend the telescopic end of the first lift cylinder 9, in the rod chamber of the first lift cylinder 9
Hydraulic oil is back to fuel tank 19 through the 8th two-bit triplet reversal valve 7, and forming circuit, the hydraulic oil of another part is changed through 2/2-way
It is flowed into valve 11 in the rodless cavity of the second lift cylinder 10, the telescopic end elongation of the second lift cylinder 10, the second lift cylinder 10
Rod chamber in hydraulic oil be back to fuel tank 19 through the 9th two-bit triplet reversal valve 16, be formed into a loop；
10th, the DT11 of the 4th two-bit triplet reversal valve 22, the DT8 of the second three position four-way directional control valve 17,2/2-way commutation
The DT13 of the DT6 of valve 11, the DT14 of the 8th two-bit triplet reversal valve 7 and the 9th two-bit triplet reversal valve 16 obtain electric, hydraulic oil warp
After hydraulic pump 1, the 4th two-bit triplet reversal valve 22, the second three position four-way directional control valve 17 and the output of the first two-bit triplet reversal valve 14
It is divided into two, a part of hydraulic oil is flowed into the rodless cavity of the second lift cylinder 10, makes the telescopic end of the second lift cylinder 10
It extends, the hydraulic oil in the rod chamber of the second lift cylinder 10 is back to fuel tank 19 through the 9th two-bit triplet reversal valve 16, is formed
Circuit, the hydraulic oil of another part are flowed into through 2/2-way reversal valve 11 in the rodless cavity of first lift cylinder 9, and first promotes oil
The telescopic end of cylinder 9 extends, and the hydraulic oil in the rod chamber of the first lift cylinder 9 is back to oil through the 8th two-bit triplet reversal valve 7
Case 19, forming circuit；
Control program 9 and control program 10 can realize that the telescopic end of two lift cylinders extends simultaneously；
It, can be with the 3rd two-bit triplet reversal valve 2 of control selections or the 4th two-bit triplet reversal valve 22 in control program 1-9
The check valve or speed governing valve of output terminal carry out hydraulic oil output, make corresponding lift cylinder quick-expansion or at the uniform velocity flexible.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of continuous lifting hydraulic control system of ocean platform, the first lift cylinder suitable for hydraulic continuous jacking system
(9) and the second lift cylinder (10), the hydraulic continuous jacking system are used to that ocean platform to be controlled continuously to lift, and feature exists
In the hydraulic control system includes：Fuel tank (19), hydraulic pump (1), the first three position four-way directional control valve (8), the second 3-position 4-way
Reversal valve (17), the first two-bit triplet reversal valve (14) and the second two-bit triplet reversal valve (12), the input of the hydraulic pump (1)
End is connected with fuel tank, the output terminal of the hydraulic pump (1) respectively with P mouths of first three position four-way directional control valve (8) and described
The P mouths connection of second three position four-way directional control valve (17), A mouths and the first lift cylinder of first three position four-way directional control valve (8)
(9) rod chamber connection, the B mouths of first three position four-way directional control valve (8) are connected with the rodless cavity of the first lift cylinder (9),
The P mouths of the first two-bit triplet reversal valve (14) T mouths and described second with first three position four-way directional control valve (8) respectively
The A mouths of three position four-way directional control valve (17) are connected, and the A mouths of the first two-bit triplet reversal valve (14) promote oil with described second
The rodless cavity connection of cylinder (10), the B mouths of the first two-bit triplet reversal valve (14) and having for the second lift cylinder (10)
Rod cavity connects, and the B mouths of second three position four-way directional control valve (17) are connected with the rod chamber of second lift cylinder (10), institute
The T mouths for stating the second three position four-way directional control valve (17) are connected with the P mouths of the second two-bit triplet reversal valve (12), described second liang
The A mouths of position three-way diverter valve (12) are connected with the rodless cavity of first lift cylinder (9), the second two-bit triplet reversal valve
(12) B mouths are connected with the rod chamber of first lift cylinder (9).
2. the continuous lifting hydraulic control system of ocean platform according to claim 1, which is characterized in that the hydraulic pump
(1) the 3rd two-bit triplet reversal valve (2), institute are provided between output terminal and the P mouths of first three position four-way directional control valve (8)
The P mouths for stating the 3rd two-bit triplet reversal valve (2) are connected with the output terminal of the hydraulic pump (1), the 3rd two-bit triplet commutation
The A mouths of valve (2) and the B mouthfuls of P mouths companies for passing through the first branch and the second branch and first three position four-way directional control valve (8) respectively
It is logical, the first check valve (5) is provided in the first branch, the first speed governing valve (4) is provided in the second branch.
3. the continuous lifting hydraulic control system of ocean platform according to claim 1, which is characterized in that the hydraulic pump
(1) the 4th two-bit triplet reversal valve (22) is provided between output terminal and the P mouths of second three position four-way directional control valve (17),
The P mouths of the 4th two-bit triplet reversal valve (22) are connected with the output terminal of the hydraulic pump (1), and the 4th two-bit triplet changes
Pass through the 3rd branch (c) and the 4th branch (d) and second three position four-way directional control valve respectively to the A mouths of valve (22) and B mouthfuls
(17) P mouths connection, is provided with the second check valve (20) on the 3rd branch (c), and the is provided on the 4th branch (d)
Two speed governing valves (21).
4. the continuous lifting hydraulic control system of ocean platform according to claim 1, which is characterized in that the hydraulic control
System further includes the 5th two-bit triplet reversal valve (13), the A mouths and the described 1st of the 5th two-bit triplet reversal valve (13)
The T mouths connection of position and four-way reversing valve (8), the T mouths of the 5th two-bit triplet reversal valve (13) are connected with the fuel tank (19), institute
The P mouths for stating the 5th two-bit triplet reversal valve (13) are connected with the P mouths of the first two-bit triplet reversal valve (14).
5. the continuous lifting hydraulic control system of ocean platform according to claim 1, which is characterized in that the hydraulic control
System further includes the 6th two-bit triplet reversal valve (18), the A mouths and the described 2nd 3 of the 6th two-bit triplet reversal valve (18)
The T mouths connection of position and four-way reversing valve (17), the T mouths of the 6th two-bit triplet reversal valve (18) are connected with the fuel tank (19),
The P mouths of the 6th two-bit triplet reversal valve (18) are connected with the P mouths of the second two-bit triplet reversal valve (12).
6. the continuous lifting hydraulic control system of ocean platform according to claim 1, which is characterized in that hydraulic control system
Further include 2/2-way reversal valve (11), the B mouths of the 2/2-way reversal valve (11) and the nothing of first lift cylinder (9)
Rod cavity is connected, and the P mouths of the 2/2-way reversal valve (11) are connected with the rodless cavity of second lift cylinder (10).
7. according to the continuous lifting hydraulic control system of claim 1-6 any one of them ocean platforms, which is characterized in that described
Hydraulic control system further includes the 7th two-bit triplet reversal valve (6) and the 8th two-bit triplet reversal valve (7), described 7th two three
The A mouths of logical reversal valve (6) are connected with the rodless cavity of first lift cylinder (9), the 7th two-bit triplet reversal valve (6)
P mouthfuls connect with the fuel tank (19), the T mouths closing of the 7th two-bit triplet reversal valve (6)；The 8th two-bit triplet commutation
The A mouths of valve (7) are connected with the rod chamber of first lift cylinder (9), the P mouths of the 8th two-bit triplet reversal valve (7) with
Fuel tank (19) connection, the T mouths closing of the 8th two-bit triplet reversal valve (7).
8. the continuous lifting hydraulic control system of ocean platform according to claim 7, which is characterized in that described 7th two
The 3rd speed governing valve (23) is provided between the A mouths of three-way diverter valve (6) and the rodless cavity of first lift cylinder (9), it is described
The 4th speed governing valve is provided between the A mouths of 8th two-bit triplet reversal valve (7) and the rod chamber of first lift cylinder (9)
(24)。
9. according to the continuous lifting hydraulic control system of claim 1-6 any one of them ocean platforms, which is characterized in that described
Hydraulic control system further includes the 9th two-bit triplet reversal valve (16) and the tenth two-bit triplet reversal valve (15), described 9th two
The A mouths of three-way diverter valve (16) are connected with the rod chamber of second lift cylinder (10), the 9th two-bit triplet reversal valve
(16) T mouths are connected with the fuel tank (19), the P mouths closing of the 9th two-bit triplet reversal valve (16)；Described 12nd
The A mouths of three-way diverter valve (15) are connected with the rodless cavity of second lift cylinder (10), the tenth two-bit triplet reversal valve
(15) T mouths are connected with the fuel tank (19), the P mouths closing of the tenth two-bit triplet reversal valve (15).
10. the continuous lifting hydraulic control system of ocean platform according to claim 9, which is characterized in that described 9th liang
The 5th speed governing valve (25) is provided between the A mouths of position three-way diverter valve (16) and the rod chamber of second lift cylinder (10),
The 6th tune is provided between the A mouths of the tenth two-bit triplet reversal valve (15) and the rodless cavity of second lift cylinder (10)
Fast valve (26).
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| CN201610728231.3A CN106194866B (en) | 2016-08-25 | 2016-08-25 | The continuous lifting hydraulic control system of ocean platform |
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| CN201610728231.3A CN106194866B (en) | 2016-08-25 | 2016-08-25 | The continuous lifting hydraulic control system of ocean platform |
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| CN106194866B true CN106194866B (en) | 2018-06-05 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107725500B (en) * | 2017-08-30 | 2019-08-02 | 武汉船用机械有限责任公司 | A kind of cylinder type hydraulic system for lifting |
| CN110056587B (en) * | 2019-04-08 | 2020-08-18 | 浙江大学 | Double-insurance rapid braking hydraulic circuit based on tidal current energy generator set |
| CN111664144B (en) * | 2020-04-22 | 2022-11-22 | 武汉船用机械有限责任公司 | Hydraulic system of bolt type lifting platform |
| CN116928162B (en) * | 2023-09-15 | 2023-12-19 | 启东中远海运海洋工程有限公司 | Hydraulic system with energy recovery function for ocean lifting platform |
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