CN109236767A - A kind of energy-saving crude oil exporting system - Google Patents
A kind of energy-saving crude oil exporting system Download PDFInfo
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- CN109236767A CN109236767A CN201810841272.2A CN201810841272A CN109236767A CN 109236767 A CN109236767 A CN 109236767A CN 201810841272 A CN201810841272 A CN 201810841272A CN 109236767 A CN109236767 A CN 109236767A
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- oil
- way electromagnetic
- oil inlet
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/40—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable
- B65H75/42—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable attached to, or forming part of, mobile tools, machines or vehicles
- B65H75/425—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable attached to, or forming part of, mobile tools, machines or vehicles attached to, or forming part of a vehicle, e.g. truck, trailer, vessel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4481—Arrangements or adaptations for driving the reel or the material
- B65H75/4489—Fluid motors
-
- 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
- F15B11/22—Synchronisation of the movement of two or more 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
The invention discloses a kind of energy-saving crude oil exporting systems, belong to field of hydraulic control.Crude oil exporting system includes: pumping plant, comb elevating control valve group, comb bolt control valve group, comb extension and contraction control valve group, hose winch control valve group, pumping plant includes load sensitive pump, first shuttle valve and the second shuttle valve, the oil outlet of load sensitive pump respectively with comb elevating control valve group, comb bolt control valve group, comb extension and contraction control valve group is connected to the oil inlet of hose winch control valve group, the first oil inlet and the second oil inlet of first shuttle valve are connected to the oil outlet of the oil return opening of comb elevating control valve group and the second shuttle valve respectively, the oil outlet of first shuttle valve is connected to the control port of load sensitive pump, first oil inlet of the second shuttle valve is connected to the oil return opening of comb bolt control valve group, second oil inlet of the second shuttle valve is connected to the oil return opening of comb extension and contraction control valve group and hose winch control valve group simultaneously.The present invention can be energy saving.
Description
Technical field
The invention belongs to field of hydraulic control, in particular to a kind of energy-saving crude oil exporting system.
Background technique
Crude oil exporting device is offshore floating type production storage Unloading Device (Floating Production Storage and
Offloading, FPSO) in important component, the Crude Oil Transportation for being used to store in FPSO to shuttle tanker.
Crude oil exporting device generally comprises hose winch and pipe racking device, and hose winch winds on it defeated for folding and unfolding
Oily hose, pipe racking device is for enabling oil hose sequentially to recycle in hose winch.Usually hose winch is with spare
In the hose winch hydraulic system of the roller rotation of driving hose winch, matches for pipe racking device and be ready for use on stretching for driving pipe racking device
Out and retract comb telescopic hydraulic system, the comb hydraulic system for lifting for driving pipe racking device raising and lowering, be used for
The comb bolt hydraulic system of locked pipe racking device.
In the work of crude oil exporting device, aforementioned four hydraulic system passes through the same pumping plant and provides hydraulic energy, and every
A hydraulic system hydraulic energy needed for the same time is all different, so in order to guarantee that each hydraulic system being capable of normal work
Make, pumping plant generally requires to be exported always with maximum output power, leads to energy waste.
Summary of the invention
The embodiment of the invention provides a kind of energy-saving crude oil exporting systems, can be energy saving.The technical solution is such as
Under:
The embodiment of the invention provides a kind of energy-saving crude oil exporting system, the crude oil exporting system includes: pumping plant, row
Pipe hydraulic system for lifting, comb bolt hydraulic system, comb telescopic hydraulic system and hose winch hydraulic system, the comb liter
Dropping hydraulic system includes comb elevating control valve group, and the comb bolt hydraulic system includes comb bolt control valve group, described
Comb telescopic hydraulic system includes comb extension and contraction control valve group, and the hose winch hydraulic system includes the hose winch control
Valve group, the pumping plant include load sensitive pump, the first shuttle valve and the second shuttle valve, the oil outlet of the load sensitive pump respectively with institute
State comb elevating control valve group, the comb bolt control valve group, the comb extension and contraction control valve group and the hose winch control
The oil inlet of valve group processed is connected to, and the oil return opening of the first oil inlet of first shuttle valve and the comb elevating control valve group connects
Logical, the second oil inlet of first shuttle valve is connected to the oil outlet of second shuttle valve, the oil outlet of first shuttle valve and
The control port of the load sensitive pump is connected to, the first oil inlet of second shuttle valve and the comb bolt control valve group
Oil return opening connection, the second oil inlet of second shuttle valve simultaneously with the comb extension and contraction control valve group and the hose winch control
The oil return opening of valve group processed is connected to.
In a kind of implementation of the invention, the comb hydraulic system for lifting further includes the first comb oil cylinder and second
Comb oil cylinder, the comb elevating control valve group include the first three-position four-way electromagnetic directional valve and flow divider-combiner, described first
The oil inlet of three-position four-way electromagnetic directional valve is connected to the load sensitive pump, and first three-position four-way electromagnetic directional valve is returned
Hydraulic fluid port is connected to the fuel tank of the pumping plant, and the first actuator port of first three-position four-way electromagnetic directional valve is respectively with described
One comb oil cylinder is connected to the rod chamber of the second comb oil cylinder, the second work of first three-position four-way electromagnetic directional valve
Hydraulic fluid port is connected to the oil inlet of the flow divider-combiner, the first oil outlet of the flow divider-combiner and the first comb oil cylinder
Rodless cavity connection, the second oil outlet of the flow divider-combiner is connected to the rodless cavity of the second comb oil cylinder.
In another implementation of the invention, the comb elevating control valve group further includes the first balance valve module,
The first balance valve module is arranged between first three-position four-way electromagnetic directional valve and the flow divider-combiner, and described the
One balance valve module include the first check valve and the first balanced valve, the oil inlet of first balanced valve with described one or three four
Second actuator port of electric change valve is connected to, the oil outlet of first balanced valve and the oil inlet of the flow divider-combiner
Connection, the control port of first balanced valve are electric with the oil outlet of first balanced valve and first 3-position 4-way respectively
First actuator port of magnetic reversal valve is connected to, and the oil inlet of the oil inlet of first check valve and first balanced valve connects
Logical, the oil outlet of first check valve is connected to the oil outlet of first balanced valve.
In another implementation of the invention, the comb elevating control valve group further includes third shuttle valve, and described
First oil inlet of three shuttle valves is connected to the first actuator port of first three-position four-way electromagnetic directional valve, the third shuttle valve
The second oil inlet be connected to the second actuator port of first three-position four-way electromagnetic directional valve, the third shuttle valve it is fuel-displaced
Mouth is connected to the first oil inlet of first shuttle valve.
In another implementation of the invention, comb bolt hydraulic system includes hydraulic bolt oil cylinder, the comb
Bolt control valve group includes the second three-position four-way electromagnetic directional valve, the oil inlet of second three-position four-way electromagnetic directional valve and institute
Load sensitive pump connection is stated, the oil return opening of second three-position four-way electromagnetic directional valve is connected to the fuel tank of the pumping plant, described
First actuator port of the second three-position four-way electromagnetic directional valve is connected to the first hydraulic fluid port of the hydraulic bolt oil cylinder, and described second
Second actuator port of three-position four-way electromagnetic directional valve is connected to the second hydraulic fluid port of the hydraulic bolt oil cylinder.
In another implementation of the invention, the comb bolt control valve group further includes the 4th shuttle valve, and described
First oil inlet of four shuttle valves is connected to the first hydraulic fluid port of the hydraulic bolt oil cylinder, the second oil inlet of the 4th shuttle valve with
Second hydraulic fluid port of the hydraulic bolt oil cylinder is connected to, the oil outlet of the 4th shuttle valve and the first oil inlet of second shuttle valve
Connection.
In another implementation of the invention, the comb bolt control valve group further include the first uniform-pressure-drop valve and
Second uniform-pressure-drop valve, the oil inlet of first uniform-pressure-drop valve are connected to the first hydraulic fluid port of the hydraulic bolt oil cylinder, institute
The oil outlet for stating the first uniform-pressure-drop valve is connected to the second hydraulic fluid port of the hydraulic bolt oil cylinder, first uniform-pressure-drop valve
First control port is connected to the oil inlet of first uniform-pressure-drop valve, the second control port of first uniform-pressure-drop valve
It is connected to the oil outlet of first uniform-pressure-drop valve, the oil inlet of second uniform-pressure-drop valve and the hydraulic bolt oil cylinder
The connection of the second hydraulic fluid port, the oil outlet of second uniform-pressure-drop valve is connected to the first hydraulic fluid port of the hydraulic bolt oil cylinder, institute
The first control port for stating the second uniform-pressure-drop valve is connected to the oil inlet of second uniform-pressure-drop valve, and described second determines subtractive
Second control port of pressure valve is connected to the oil outlet of second uniform-pressure-drop valve.
In another implementation of the invention, the comb telescopic hydraulic system further includes comb motor, and comb is stretched
Contracting control valve group further includes third three-position four-way electromagnetic directional valve and the 5th shuttle valve, the third three-position four-way electromagnetic directional valve
Oil inlet is connected to the oil outlet of the load sensitive pump, the oil return opening and the pump of the third three-position four-way electromagnetic directional valve
The fuel tank connection stood, the first hydraulic fluid port of the first actuator port of the third three-position four-way electromagnetic directional valve and the comb motor
Connection, the second actuator port of the third three-position four-way electromagnetic directional valve are connected to the second hydraulic fluid port of the comb motor, institute
The first oil inlet for stating the 5th shuttle valve is connected to the first hydraulic fluid port of the comb motor, the second oil inlet of the 5th shuttle valve with
Second hydraulic fluid port of the comb motor is connected to, and the oil outlet of the 5th shuttle valve and the second oil inlet of second shuttle valve connect
It is logical.
In another implementation of the invention, the hose winch hydraulic system further includes winch motor, described soft
Pipe winch control valve group includes the 4th three-position four-way electromagnetic directional valve and the 6th shuttle valve, the 4th three-position four-way electromagnetic directional valve
Oil inlet be connected to the oil outlet of the load sensitive pump, the oil return opening of the 4th three-position four-way electromagnetic directional valve with it is described
The fuel tank of pumping plant is connected to, the first actuator port of the 4th three-position four-way electromagnetic directional valve and the first oil of the winch motor
Mouth connection, the second actuator port of the 4th three-position four-way electromagnetic directional valve are connected to the second hydraulic fluid port of the winch motor,
First oil inlet of the 6th shuttle valve is connected to the first hydraulic fluid port of the winch motor, the second oil inlet of the 6th shuttle valve
It is connected to the second hydraulic fluid port of the winch motor, the oil outlet of the 6th shuttle valve and the second oil inlet of second shuttle valve connect
It is logical.
In another implementation of the invention, the crude oil exporting system further includes controller, the controller point
It is not electrically connected with the third three-position four-way electromagnetic directional valve and the 4th three-position four-way electromagnetic directional valve, the controller quilt
It is configured to by controlling the third three-position four-way electromagnetic directional valve and the 4th three-position four-way electromagnetic directional valve, so that described
Winch motor and comb motor synchronous work.
Technical solution provided in an embodiment of the present invention has the benefit that
It carries out first time oil pressure by the second shuttle valve of setting to compare, first time oil pressure relatively refers to comparing the flexible control of comb
The sum of valve group processed and the return pressure of hose winch control valve group, the return pressure with comb bolt control valve group.By first
Secondary oil pressure relatively after, the biggish hydraulic oil of pressure flow to the second oil inlet of the first shuttle valve, with comb elevating control valve group into
Second of oil pressure of row compares, by second of oil pressure relatively after, comb elevating control valve group, comb bolt control valve group, row
The maximum hydraulic oil of return pressure flow to the control oil of load sensitive pump in pipe extension and contraction control valve group and hose winch control valve group
Mouthful, to control load sensitive pump according to maximum return pressure output hydraulic pressure energy, so that the hydraulic energy of load sensitive pump output can
To be suitable for all control valve groups.Also, due to load sensitive pump be according to maximum return pressure output hydraulic pressure energy, so
Load sensitive pump need not be always with the maximum hydraulic energy of itself maximum power output, to play the role of energy-efficient.
Detailed description of the invention
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, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the hydraulic diagram of crude oil exporting system provided in an embodiment of the present invention；
Fig. 2 is the hydraulic diagram of comb hydraulic system for lifting provided in an embodiment of the present invention；
Fig. 3 is the hydraulic diagram of comb bolt hydraulic system provided in an embodiment of the present invention；
Fig. 4 is the hydraulic diagram of comb telescopic hydraulic system provided in an embodiment of the present invention；
Fig. 5 is the hydraulic diagram of hose winch hydraulic system provided in an embodiment of the present invention；
Each symbol indicates that meaning is as follows in figure:
1- pumping plant, 11- load sensitive pump, the first shuttle valve of 12-, the second shuttle valve of 13-, 14- fuel tank, 2- comb raise-lower hydraulic system
System, 21- comb elevating control valve group, the first three-position four-way electromagnetic directional valve of 211-, 212- flow divider-combiner, 213- first are unidirectional
Valve, the first balanced valve of 214-, 215- third shuttle valve, the first pressure reducing valve of 216-, the first overflow valve of 217-, 22- the first comb oil cylinder,
23- the second comb oil cylinder, 3- comb bolt hydraulic system, 31- comb bolt control valve group, 311- the second 3-position 4-way electromagnetism change
To valve, the 4th shuttle valve of 312-, the first uniform-pressure-drop valve of 313-, the second uniform-pressure-drop valve of 314-, the second pressure reducing valve of 315-, 32- liquid
Pressure plugging pin oil cylinder, 4- comb telescopic hydraulic system, 41- comb extension and contraction control valve group, 411- third three-position four-way electromagnetic directional valve,
The 5th shuttle valve of 412-, 413- the first two-way pressure compensator, 414- second one-way valve, 415- the second two-way pressure compensator,
416- third check valve, the second overflow valve of 417-, 42- comb motor, 5- hose winch hydraulic system, the control of 51- hose winch
Valve group, the 4th three-position four-way electromagnetic directional valve of 511-, the 6th shuttle valve of 512-, the 4th check valve of 513-, the second balanced valve of 514-,
52- winch motor.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
The embodiment of the invention provides a kind of energy-saving crude oil exporting systems, as shown in Figure 1, crude oil exporting system includes:
Pumping plant 1, comb hydraulic system for lifting 2, comb bolt hydraulic system 3, comb telescopic hydraulic system 4 and hose winch hydraulic system
5, comb hydraulic system for lifting 2 includes comb elevating control valve group 21, and comb bolt hydraulic system 3 includes comb bolt control valve
Group 31, comb telescopic hydraulic system 4 include comb extension and contraction control valve group 41, and hose winch hydraulic system 5 includes hose winch control
Valve group 51 processed, which is characterized in that pumping plant 1 includes load sensitive pump 11, the first shuttle valve 12 and the second shuttle valve 13, load sensitive pump 11
Oil outlet respectively with comb elevating control valve group 21, comb bolt control valve group 31, comb extension and contraction control valve group 41 and hose
The oil inlet of winch control valve group 51 is connected to, the first oil inlet of the first shuttle valve 12 and the oil return opening of comb elevating control valve group 21
Connection, the second oil inlet of the first shuttle valve 12 are connected to the oil outlet of the second shuttle valve 13, the oil outlet of the first shuttle valve 12 and load
The control port of sensitive pump 11 is connected to, and the first oil inlet of the second shuttle valve 13 and the oil return opening of comb bolt control valve group 31 connect
It is logical, the second oil inlet of the second shuttle valve 13 while the oil return opening with comb extension and contraction control valve group 41 and hose winch control valve group 51
Connection.
It carries out first time oil pressure by the second shuttle valve 13 of setting to compare, first time oil pressure relatively refers to that comparing comb stretches
The sum of control valve group 41 and the return pressure of hose winch control valve group 51, the return pressure with comb bolt control valve group 31.
By first time oil pressure relatively after, the biggish hydraulic oil of pressure flow to the second oil inlet of the first shuttle valve 12, to go up and down with comb
Control valve group 21 carry out second of oil pressure compare, by second of oil pressure relatively after, comb elevating control valve group 21, comb insert
The maximum hydraulic oil of return pressure is flow in pin control valve group 31, comb extension and contraction control valve group 41 and hose winch control valve group 51
The control port of load sensitive pump 11, to control load sensitive pump 11 according to maximum return pressure output hydraulic pressure energy, so that negative
Carrying the hydraulic energy that sensitive pump 11 exports can be adapted for all control valve groups.Also, since load sensitive pump 11 is according to most
Big return pressure output hydraulic pressure energy, so load sensitive pump 11 need not be maximum hydraulic with itself maximum power output always
Can, to play the role of energy-efficient.
Fig. 2 is the hydraulic diagram of comb hydraulic system for lifting, in conjunction with Fig. 2, in the present embodiment, comb hydraulic system for lifting 2
It further include the first comb oil cylinder 22 and the second comb oil cylinder 23, comb elevating control valve group 21 includes that the first 3-position 4-way electromagnetism changes
To valve 211 and flow divider-combiner 212, the oil inlet of the first three-position four-way electromagnetic directional valve 211 is connected to load sensitive pump 11, the
The oil return opening of one three-position four-way electromagnetic directional valve 211 is connected to the fuel tank 14 of pumping plant 1, the first three-position four-way electromagnetic directional valve 211
The first actuator port be connected to respectively with the rod chamber of the first comb oil cylinder 22 and the second comb oil cylinder 23, the first 3-position 4-way electricity
Second actuator port of magnetic reversal valve 211 is connected to the oil inlet of flow divider-combiner 212, and the first of flow divider-combiner 212 is fuel-displaced
Mouth is connected to the rodless cavity of the first comb oil cylinder 22, the nothing of the second oil outlet of flow divider-combiner 212 and the second comb oil cylinder 23
Rod cavity connection.
In above-mentioned implementation, due to the rodless cavity of the first comb oil cylinder 22 and the rodless cavity point of the second comb oil cylinder 23
It is not connected to the first hydraulic fluid port of flow divider-combiner 212 and the second hydraulic fluid port, so can be realized the first comb oil cylinder 22 and second row
The synchronization action of pipe oil cylinder 23.
Specifically, comb elevating control valve group 21 further includes the first balance valve module, and the first balance valve module setting is the
Between one three-position four-way electromagnetic directional valve 211 and flow divider-combiner 212, the first balance valve module includes 213 He of the first check valve
First balanced valve 214, the second actuator port of the oil inlet of the first balanced valve 214 and the first three-position four-way electromagnetic directional valve 211
Connection, the oil outlet of the first balanced valve 214 are connected to the oil inlet of flow divider-combiner 212, the control port of the first balanced valve 214
It is connected to respectively with the first actuator port of the oil outlet of the first balanced valve 214 and the first three-position four-way electromagnetic directional valve 211, first
The oil inlet of check valve 213 is connected to the oil inlet of the first balanced valve 214, the oil outlet of the first check valve 213 and the first balance
The oil outlet of valve 214 is connected to.
The working principle that following is a brief introduction of the first balance module, when the first balanced valve 214 is in normal condition
The spool of (i.e. when the control port of the first balanced valve 225 does not have pressure), the first balanced valve 214 is located at right position, when needing to control
When 23 lowering loads of the first comb oil cylinder 22 and the second comb oil cylinder (decline of comb boom), the first three-position four-way electromagnetic directional valve
211 spool is located at left position, the oil inlet of the first three-position four-way electromagnetic directional valve 211 and the connection of the first actuator port, hydraulic oil
The control port of the rod chamber and the first balanced valve 214 of the first comb oil cylinder 22 and the second comb oil cylinder 23 is imported, so that the
The spool of one balanced valve 214 is moved to middle position, i.e. the first balanced valve 214 conducting, so that the first comb oil cylinder 22 and the second comb
The rodless cavity oil return of oil cylinder 23 can be back to pumping plant 1 through the first balanced valve 214 and the first three-position four-way electromagnetic directional valve 211
Fuel tank 14；When needing to control the first comb oil cylinder 22 and 23 pull-up of the second comb oil cylinder load (rising of comb boom), first
The spool of three-position four-way electromagnetic directional valve 211 is located at right position, the oil inlet and the second work of the first three-position four-way electromagnetic directional valve 211
Make hydraulic fluid port connection, hydraulic oil directly passes through the nothing that the first check valve 213 enters the first comb oil cylinder 22 and the second comb oil cylinder 23
Rod cavity, and the hydraulic oil in the rod chamber of the first comb oil cylinder 22 and the second comb oil cylinder 23 is from the first 3-position 4-way electromagnetic switch
Valve 211 is back to the fuel tank 14 of pumping plant 1；It is (locked to arrange when needing the first comb oil cylinder 22 and the second comb oil cylinder 23 to lock load
Pipe boom) when, the spool of the first three-position four-way electromagnetic directional valve 211 is located at middle position, since load is affected by gravity, so that
First comb oil cylinder 22 and the second comb oil cylinder 23 have the tendency that lowering loads, and the control port of the first balanced valve 214 is arrived
Pressure at from the rodless cavity of the first comb oil cylinder 22 and the second comb oil cylinder 23, and the pressure be much larger than active lowering loads when
The pressure that the control port of first balanced valve 214 is subject to, so that the spool of the first balanced valve 214 is moved to left position, first
Balanced valve 214 turns off, to realize locked load.
Specifically, comb elevating control valve group 21 further includes third shuttle valve 215, the first oil inlet of third shuttle valve 215 with
First actuator port of the first three-position four-way electromagnetic directional valve 211 is connected to, the second oil inlet of third shuttle valve 215 and the one or three
Second actuator port of four-way electromagnetic reversing valve 211 is connected to, the first oil inlet of the oil outlet of third shuttle valve 215 and the first shuttle valve 12
Mouth connection.
In above-mentioned implementation, third shuttle valve 215 is used to select the first work of the first three-position four-way electromagnetic directional valve 211
Make among hydraulic fluid port and the second actuator port of the first three-position four-way electromagnetic directional valve 211, the hydraulic oil at pressure biggish one, it will
The biggish hydraulic oil of pressure is directed at the first shuttle valve 12.
With continued reference to Fig. 2, in the present embodiment, comb elevating control valve group 21 further includes the first pressure reducing valve 216, and first subtracts
Pressure valve 216 is arranged between load sensitive pump 11 and the first three-position four-way electromagnetic directional valve 211, the oil inlet of the first pressure reducing valve 216
Mouth is connected to load sensitive pump 11, the oil inlet of the oil outlet of the first pressure reducing valve 216 and the first three-position four-way electromagnetic directional valve 211
Connection, the control port of the first pressure reducing valve 216 are connected to the oil outlet of the first pressure reducing valve 216.
In above-mentioned implementation, since load sensitive pump 11 is multiple hydraulic system fuel feeding simultaneously, and comb goes up and down liquid
Oil pressure needed for pressure system 2 is smaller, so needing the first pressure reducing valve 216 to reduce the oil pressure that load sensitive pump 11 exports, to guarantee
The normal work of comb hydraulic system for lifting 2.
Specifically, comb elevating control valve group 21 further includes the first overflow valve 217, the oil inlet of the first overflow valve 217 with
First comb oil cylinder 22 is connected to the rodless cavity of the second comb oil cylinder 23, the oil outlet of the first overflow valve 217 and the first comb oil
Cylinder 22 is connected to the rod chamber of the second comb oil cylinder 23, the first control port of the first overflow valve 217 and the first overflow valve 217
Oil inlet connection, the second control port of the first overflow valve 217 are connected to the oil outlet of the first overflow valve 217.
In above-mentioned implementation, the first overflow valve 217 can be uniform-pressure-drop valve, for guaranteeing the first comb oil cylinder 22
And second comb oil cylinder 23 rod chamber and rodless cavity between pressure difference keep definite value.
Fig. 3 is the hydraulic diagram of comb bolt hydraulic system, in conjunction with Fig. 3, in the present embodiment, comb bolt hydraulic system 3
Including hydraulic bolt oil cylinder 32, comb bolt control valve group 31 includes the second three-position four-way electromagnetic directional valve the 311, the 2nd 3 four
The oil inlet of electric change valve 311 is connected to load sensitive pump 11, the oil return opening of the second three-position four-way electromagnetic directional valve 311 with
The fuel tank 14 of pumping plant 1 is connected to, and the of the first actuator port of the second three-position four-way electromagnetic directional valve 311 and hydraulic bolt oil cylinder 32
The connection of one hydraulic fluid port, the second actuator port of the second three-position four-way electromagnetic directional valve 311 and the second hydraulic fluid port of hydraulic bolt oil cylinder 32
Connection.
In above-mentioned implementation, hydraulic bolt oil cylinder 32 can control by the second three-position four-way electromagnetic directional valve 311
It is flexible, to control the locked of pipe racking device and open.
Specifically, comb bolt control valve group 31 further includes the 4th shuttle valve 312, the first oil inlet of the 4th shuttle valve 312 with
First hydraulic fluid port of hydraulic bolt oil cylinder 32 is connected to, the second oil inlet of the 4th shuttle valve 312 and the second oil of hydraulic bolt oil cylinder 32
Mouth connection, the oil outlet of the 4th shuttle valve 312 are connected to the first oil inlet of the second shuttle valve 13.
In above-mentioned implementation, the 4th shuttle valve 312 be used for select hydraulic bolt oil cylinder 32 the first hydraulic fluid port and it is hydraulic insert
Among the second hydraulic fluid port for selling oil cylinder 32, the biggish hydraulic oil of pressure is directed at the second shuttle valve by the hydraulic oil at pressure biggish one
13。
Specifically, comb bolt control valve group 31 further includes the first uniform-pressure-drop valve 313 and the second uniform-pressure-drop valve 314,
The oil inlet of first uniform-pressure-drop valve 313 is connected to the first hydraulic fluid port of hydraulic bolt oil cylinder 32, and the first uniform-pressure-drop valve 313 goes out
Hydraulic fluid port is connected to the second hydraulic fluid port of hydraulic bolt oil cylinder 32, and the first control port of the first uniform-pressure-drop valve 313 is fixed poor with first
The oil inlet of pressure reducing valve 313 is connected to, and the second control port of the first uniform-pressure-drop valve 313 goes out with the first uniform-pressure-drop valve 313
Hydraulic fluid port connection, the oil inlet of the second uniform-pressure-drop valve 314 are connected to the second hydraulic fluid port of hydraulic bolt oil cylinder 32, and second determines subtractive pressure
The oil outlet of valve 314 is connected to the first hydraulic fluid port of hydraulic bolt oil cylinder 32, the first control port of the second uniform-pressure-drop valve 314 with
The oil inlet of second uniform-pressure-drop valve 314 is connected to, the second control port of the second uniform-pressure-drop valve 314 and the second uniform-pressure-drop valve
314 oil outlet connection.
Specifically, comb bolt control valve group 31 further includes the second pressure reducing valve 315, the oil inlet of the second pressure reducing valve 315 with
The oil outlet of load sensitive pump 11 is connected to, the oil outlet of the second pressure reducing valve 315 and the second three-position four-way electromagnetic directional valve 311 into
Hydraulic fluid port connection, the control port of the second pressure reducing valve 315 are connected to the oil outlet of the second pressure reducing valve 315.
Fig. 4 is the hydraulic diagram of comb telescopic hydraulic system, in conjunction with Fig. 4, in the present embodiment, comb telescopic hydraulic system 4
It further include comb motor 42, comb extension and contraction control valve group 41 further includes third three-position four-way electromagnetic directional valve 411 and the 5th shuttle valve
412, the oil inlet of third three-position four-way electromagnetic directional valve 411 is connected to the oil outlet of load sensitive pump 11, third 3-position 4-way
The oil return opening of solenoid directional control valve 411 is connected to the fuel tank 14 of pumping plant 1, the first work of third three-position four-way electromagnetic directional valve 411
Hydraulic fluid port is connected to the first hydraulic fluid port of comb motor 42, the second actuator port and comb of third three-position four-way electromagnetic directional valve 411
Second hydraulic fluid port of motor 42 is connected to, and the first oil inlet of the 5th shuttle valve 412 is connected to the first hydraulic fluid port of comb motor 42, the 5th shuttle
Second oil inlet of valve 412 is connected to the second hydraulic fluid port of comb motor 42, the oil outlet of the 5th shuttle valve 412 and the second shuttle valve 13
The connection of second oil inlet.
In above-mentioned implementation, third three-position four-way electromagnetic directional valve 411 be used for control comb motor 42 revolving speed and
Turn to, the 5th shuttle valve 412 for selecting among the first hydraulic fluid port of comb motor 42 and the second hydraulic fluid port of comb motor 42, pressure compared with
The biggish hydraulic oil of pressure is directed at the second shuttle valve 13 by the hydraulic oil at big one.
Specifically, comb extension and contraction control valve group 41 further includes the first two-way pressure compensator 413, second one-way valve 414,
Two two-way pressure compensators 415, third check valve 416, the first hydraulic fluid port of the first two-way pressure compensator 413 and the three or three four
First actuator port of electric change valve 411 is connected to the oil outlet of second one-way valve 414, the first two-way pressure compensator
413 second hydraulic fluid ports are connected to the oil inlet of the first hydraulic fluid port of comb motor 42 and second one-way valve 414 respectively, the first two-way pressure
The control port of force compensating device 413 is connected to the first hydraulic fluid port of the first two-way pressure compensator 413.Second two-way pressure compensator
The oil outlet of 415 the first hydraulic fluid port and the second actuator port of third three-position four-way electromagnetic directional valve 411 and third check valve 416
Connection, the second hydraulic fluid port of the second two-way pressure compensator 415 and the first hydraulic fluid port of comb motor 42 and third check valve 416
Oil inlet connection, the first hydraulic fluid port of the control port of the second two-way pressure compensator 415 and the second two-way pressure compensator 415
Connection.
Specifically, comb extension and contraction control valve group 41 further includes the second overflow valve 417, the oil inlet of the second overflow valve 417 with
First hydraulic fluid port of comb motor 42 is connected to, and the oil outlet of the second overflow valve 417 is connected to the second hydraulic fluid port of comb motor 42, and second
First control port of overflow valve 417 is connected to the oil inlet of the second overflow valve 417, the second control oil of the second overflow valve 417
Mouth is connected to the oil outlet of the second overflow valve 417.
Fig. 5 is the hydraulic diagram of hose winch hydraulic system, in conjunction with Fig. 5, in the present embodiment, hose winch hydraulic system 5
It further include winch motor 52, hose winch control valve group 51 includes the 4th three-position four-way electromagnetic directional valve 511 and the 6th shuttle valve
512, the oil inlet of the 4th three-position four-way electromagnetic directional valve 511 is connected to the oil outlet of load sensitive pump 11, the 4th 3-position 4-way
The oil return opening of solenoid directional control valve 511 is connected to the fuel tank 14 of pumping plant 1, the first work of the 4th three-position four-way electromagnetic directional valve 511
Hydraulic fluid port is connected to the first hydraulic fluid port of winch motor 52, the second actuator port and winch of the 4th three-position four-way electromagnetic directional valve 511
Second hydraulic fluid port of motor 52 is connected to, and the first oil inlet of the 6th shuttle valve 512 is connected to the first hydraulic fluid port of winch motor 52, the 6th shuttle
Second oil inlet of valve 512 is connected to the second hydraulic fluid port of winch motor 52, the oil outlet of the 6th shuttle valve 512 and the second shuttle valve 13
The connection of second oil inlet.
Specifically, hose winch control valve group 51 further includes the second balance valve module, and the second balance valve module setting is the
Between four three-position four-way electromagnetic directional valves 511 and winch motor 52, the first balance valve module includes the 4th check valve 513 and second
The oil inlet of balanced valve 514, the second balanced valve 514 is connected to the first actuator port of the 4th three-position four-way electromagnetic directional valve 511,
The oil outlet of second balanced valve 514 is connected to the first hydraulic fluid port of winch motor 52, the control port of the second balanced valve 514 respectively with
The oil outlet of second balanced valve 514 and the second actuator port connection of the 4th three-position four-way electromagnetic directional valve 511, the 4th check valve
513 oil inlet is connected to the oil inlet of the second balanced valve 51, and the oil outlet of the 4th check valve 513 and the second balanced valve 51 go out
Hydraulic fluid port connection.
In above-mentioned implementation, the working principle of the second balance valve module, the work with the first balance module described previously
It is identical to make principle, this will not be repeated here.
In the present embodiment, crude oil exporting system further includes controller, controller (not shown) respectively with the three or three four
Electric change valve 411 and the electrical connection of the 4th three-position four-way electromagnetic directional valve 511, controller are configured as through control the three or three
Position four-way electromagnetic reversing valve 411 and the 4th three-position four-way electromagnetic directional valve 511, so that winch motor 52 is synchronous with comb motor 42
Work.
In the present embodiment, the electric signal that controller is exported to the 4th three-position four-way electromagnetic directional valve 511 is the first telecommunications
Number, the electric signal that controller is exported to third three-position four-way electromagnetic directional valve 411 is the second electric signal, the first electric signal and second
The voltage value of electric signal meets following formula:
Y=k × (x-12)；
Wherein, k is proportionality coefficient, and x is the voltage value of the first electric signal, and y is the voltage value of the second electric signal, a, x and y's
Unit is volt.
In above-mentioned implementation, made between the first electric signal and the second electric signal by above-mentioned formula always at certain
Ratio, that is, realize the synchronous working of winch motor 21 and comb motor 31.
It should be noted that the specific value of k can be changed according to the actual situation, it generally can be according to winch motor
52 and the concrete model of comb motor 42 k value is adjusted, in the present embodiment, k can be 0.74.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of energy-saving crude oil exporting system, the crude oil exporting system includes: pumping plant, comb hydraulic system for lifting, comb
Bolt hydraulic system, comb telescopic hydraulic system and hose winch hydraulic system, the comb hydraulic system for lifting includes comb
Elevating control valve group, the comb bolt hydraulic system include comb bolt control valve group, the comb telescopic hydraulic system packet
Comb extension and contraction control valve group is included, the hose winch hydraulic system includes the hose winch control valve group, which is characterized in that institute
Stating pumping plant includes load sensitive pump, the first shuttle valve and the second shuttle valve, the oil outlet of the load sensitive pump respectively with the comb
Elevating control valve group, the comb bolt control valve group, the comb extension and contraction control valve group and the hose winch control valve group
Oil inlet connection, the first oil inlet of first shuttle valve is connected to the oil return opening of the comb elevating control valve group, described
Second oil inlet of the first shuttle valve is connected to the oil outlet of second shuttle valve, the oil outlet of first shuttle valve and the load
The control port of sensitive pump is connected to, and the oil return opening of the first oil inlet of second shuttle valve and the comb bolt control valve group connects
It is logical, the second oil inlet of second shuttle valve simultaneously with the comb extension and contraction control valve group and the hose winch control valve group
Oil return opening connection.
2. crude oil exporting system according to claim 1, which is characterized in that the comb hydraulic system for lifting further includes
One comb oil cylinder and the second comb oil cylinder, the comb elevating control valve group include the first three-position four-way electromagnetic directional valve and shunting
The oil inlet of combiner valve, first three-position four-way electromagnetic directional valve is connected to the load sensitive pump, and described one or three four
The oil return opening of electric change valve is connected to the fuel tank of the pumping plant, the first work of first three-position four-way electromagnetic directional valve
Hydraulic fluid port is connected to the rod chamber of the first comb oil cylinder and the second comb oil cylinder respectively, the first 3-position 4-way electromagnetism
Second actuator port of reversal valve is connected to the oil inlet of the flow divider-combiner, the first oil outlet of the flow divider-combiner with
The rodless cavity of the first comb oil cylinder is connected to, the nothing of the second oil outlet of the flow divider-combiner and the second comb oil cylinder
Rod cavity connection.
3. crude oil exporting system according to claim 2, which is characterized in that the comb elevating control valve group further includes
One balance valve module, the first balance valve module are arranged in first three-position four-way electromagnetic directional valve and the flow distributing and collecting
Between valve, it is described first balance valve module include the first check valve and the first balanced valve, the oil inlet of first balanced valve with
Second actuator port of first three-position four-way electromagnetic directional valve is connected to, the oil outlet of first balanced valve and the shunting
The oil inlet of combiner valve is connected to, the control port of first balanced valve respectively with the oil outlet of first balanced valve and described
First actuator port of the first three-position four-way electromagnetic directional valve is connected to, the oil inlet of first check valve and first balance
The oil inlet of valve is connected to, and the oil outlet of first check valve is connected to the oil outlet of first balanced valve.
4. crude oil exporting system according to claim 2, which is characterized in that the comb elevating control valve group further includes
First actuator port of three shuttle valves, the first oil inlet of the third shuttle valve and first three-position four-way electromagnetic directional valve connects
Logical, the second oil inlet of the third shuttle valve is connected to the second actuator port of first three-position four-way electromagnetic directional valve, institute
The oil outlet for stating third shuttle valve is connected to the first oil inlet of first shuttle valve.
5. crude oil exporting system according to claim 1, which is characterized in that comb bolt hydraulic system includes hydraulic bolt
Oil cylinder, the comb bolt control valve group include the second three-position four-way electromagnetic directional valve, the second 3-position 4-way electromagnetic switch
The oil inlet of valve is connected to the load sensitive pump, oil return opening and the pumping plant of second three-position four-way electromagnetic directional valve
Fuel tank connection, the first hydraulic fluid port of the first actuator port of second three-position four-way electromagnetic directional valve and the hydraulic bolt oil cylinder
Second hydraulic fluid port of connection, the second actuator port of second three-position four-way electromagnetic directional valve and the hydraulic bolt oil cylinder connects
It is logical.
6. crude oil exporting system according to claim 5, which is characterized in that the comb bolt control valve group further includes
First oil inlet of four shuttle valves, the 4th shuttle valve is connected to the first hydraulic fluid port of the hydraulic bolt oil cylinder, the 4th shuttle valve
The second oil inlet be connected to the second hydraulic fluid port of the hydraulic bolt oil cylinder, the oil outlet of the 4th shuttle valve and second shuttle
First oil inlet of valve is connected to.
7. crude oil exporting system according to claim 5, which is characterized in that the comb bolt control valve group further includes
One uniform-pressure-drop valve and the second uniform-pressure-drop valve, the of the oil inlet of first uniform-pressure-drop valve and the hydraulic bolt oil cylinder
The connection of one hydraulic fluid port, the oil outlet of first uniform-pressure-drop valve is connected to the second hydraulic fluid port of the hydraulic bolt oil cylinder, and described the
First control port of one uniform-pressure-drop valve is connected to the oil inlet of first uniform-pressure-drop valve, first uniform-pressure-drop valve
The second control port be connected to the oil outlet of first uniform-pressure-drop valve, the oil inlet of second uniform-pressure-drop valve and institute
State the second hydraulic fluid port connection of hydraulic bolt oil cylinder, the of the oil outlet of second uniform-pressure-drop valve and the hydraulic bolt oil cylinder
The connection of one hydraulic fluid port, the first control port of second uniform-pressure-drop valve are connected to the oil inlet of second uniform-pressure-drop valve,
Second control port of second uniform-pressure-drop valve is connected to the oil outlet of second uniform-pressure-drop valve.
8. crude oil exporting system according to claim 1, which is characterized in that the comb telescopic hydraulic system further includes row
Pipe motor, comb extension and contraction control valve group further include third three-position four-way electromagnetic directional valve and the 5th shuttle valve, and described three or three four
The oil inlet of electric change valve is connected to the oil outlet of the load sensitive pump, the third three-position four-way electromagnetic directional valve
Oil return opening is connected to the fuel tank of the pumping plant, the first actuator port and the comb of the third three-position four-way electromagnetic directional valve
First hydraulic fluid port of motor is connected to, and the of the second actuator port of the third three-position four-way electromagnetic directional valve and the comb motor
The connection of two hydraulic fluid ports, the first oil inlet of the 5th shuttle valve are connected to the first hydraulic fluid port of the comb motor, the 5th shuttle valve
The second oil inlet be connected to the second hydraulic fluid port of the comb motor, the oil outlet of the 5th shuttle valve and second shuttle valve
The connection of second oil inlet.
9. crude oil exporting system according to claim 8, which is characterized in that the hose winch hydraulic system further includes twisting
Vehicle and horse reach, the hose winch control valve group include the 4th three-position four-way electromagnetic directional valve and the 6th shuttle valve, described four or three
The oil inlet of four-way electromagnetic reversing valve is connected to the oil outlet of the load sensitive pump, the 4th three-position four-way electromagnetic directional valve
Oil return opening be connected to the fuel tank of the pumping plant, the first actuator port of the 4th three-position four-way electromagnetic directional valve and the strand
The first hydraulic fluid port connection that vehicle and horse reach, the second actuator port and the winch motor of the 4th three-position four-way electromagnetic directional valve
The connection of second hydraulic fluid port, the first oil inlet of the 6th shuttle valve are connected to the first hydraulic fluid port of the winch motor, the 6th shuttle
Second oil inlet of valve is connected to the second hydraulic fluid port of the winch motor, the oil outlet and second shuttle valve of the 6th shuttle valve
The second oil inlet connection.
10. crude oil exporting system according to claim 9, which is characterized in that the crude oil exporting system further includes control
Device, the controller are electrically connected with the third three-position four-way electromagnetic directional valve and the 4th three-position four-way electromagnetic directional valve respectively
It connects, the controller is configured as by controlling the third three-position four-way electromagnetic directional valve and the 4th 3-position 4-way electromagnetism
Reversal valve, so that the winch motor and comb motor synchronous work.
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|---|---|---|---|
| CN201810841272.2A CN109236767B (en) | 2018-07-27 | 2018-07-27 | Energy-saving crude oil export system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810841272.2A CN109236767B (en) | 2018-07-27 | 2018-07-27 | Energy-saving crude oil export system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111608982A (en) * | 2020-04-07 | 2020-09-01 | 武汉船用机械有限责任公司 | Hydraulic system of lifting platform |
| CN111692144A (en) * | 2020-04-30 | 2020-09-22 | 武汉船用机械有限责任公司 | Impeller lifting and rotating system |
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| CN109236767B (en) | 2020-12-29 |
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