CN106015137A - Multifunctional hydraulic system - Google Patents
Multifunctional hydraulic system Download PDFInfo
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- CN106015137A CN106015137A CN201610560407.9A CN201610560407A CN106015137A CN 106015137 A CN106015137 A CN 106015137A CN 201610560407 A CN201610560407 A CN 201610560407A CN 106015137 A CN106015137 A CN 106015137A
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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
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
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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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
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- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention provides a multifunctional hydraulic system. The multifunctional hydraulic system comprises a first oil supply loop, a second oil supply loop, a third oil supply loop, a speed regulation loop, a locking loop, a decompression loop, a volume speed modulating loop, a flowmeter, a cooler, a control box and an oil tank, wherein the first oil supply loop, the second oil supply loop and the third oil supply loop are connected in parallel and together supply oil for the multifunctional hydraulic system; the flowmeter generates a signal and sends the signal to the controller; the controller processes the signal and then generates a control signal to control the attraction and separation of electromagnets; and a variable pump of the second oil supply loop and an adjustable-speed motor of the third oil supply loop are controlled to regulate the flow rate. By adoption of the scheme, the advantages of all speed regulation modes are synthesized, and the speed regulation modes can be selected according to different working conditions; the speed regulation loop, the locking loop and the decompression loop can be connected with not only the same oil cylinder to satisfy different working requirements so as to achieve flexibility and changeability but also different oil cylinders, and together with a bidirectional variable motor in the volume speed modulating loop, combined operation is conducted to realize complicated movement.
Description
Technical field
The invention belongs to technical field of hydraulic, especially relate to a kind of multi-purpose hydraulic system, this hydraulic system is simultaneously suitable for single actuator compound movement and many actuators coordination exercise operating mode.
Background technology
Multi-purpose hydraulic system is because towards different application operating modes, being typically all and customize according to field requirement, and design process bothers, and design cost is high.Up to the present, the patent using multi-purpose hydraulic system and control method thereof mainly has: CN102416948A discloses a kind of hydrostatic control system for multifunctional off-road forklift, CN102619276A announces a kind of intelligent multifunctional combined suction sewage truck control system for hydraulic oil path, and CN103383555A discloses a kind of multifunction hydraulic block building machine Distributed Control System.Technical scheme disclosed in these Chinese patent literatures is respectively arranged with its advantage, some practical problems run in engineering reality in solving the most effectively, but these are multi-functional mostly for particular machine design, meet specific mechanical requirement under different operating modes, and cannot accomplish that hydraulic system has and positive meaning for solving such problem in difference being used interchangeably mechanically, multi-purpose hydraulic system and control method thereof in the present invention.
Summary of the invention
Problem to be solved by this invention is, overcomes the deficiency in background technology, according to production work requirement, devises a kind of multi-purpose hydraulic system.Present invention employs modular design concept, simply switch the required loop that performs according to field requirement and can meet working condition requirement, both the co-ordination of many actuators can have been carried out, single actuator can be carried out sequencing contro again, sequential working and the control of many actuators can also be realized in the case of execution loop is enough, working condition requirement with satisfied change, improve the hydraulic system adaptation ability to actions different under various operating modes, and it is in parallel to provide multiple oil supply loop, pluses and minuses according to different flow regulative mode are used on a selective basis, the advantage of comprehensive different flow regulative mode, and exclude its shortcoming.Promote being used interchangeably of hydraulic system, and promote popularization and the development of multifunction hydraulic control technology.
The present invention realizes above-mentioned technical purpose by techniques below means.A kind of multi-purpose hydraulic system, including speed control loop, locking loop, pressure reducing circuit and volume speed-modulating loop, described speed control loop input passes through the first stop valve and the first oil supply loop, second oil supply loop and the 3rd oil supply loop are in parallel, described locking loop input passes through the second stop valve and the first oil supply loop, second oil supply loop and the 3rd oil supply loop are in parallel, described pressure reducing circuit input passes through the 3rd stop valve and the first oil supply loop, second oil supply loop and the 3rd oil supply loop are in parallel, described volume speed-modulating loop input passes through the 4th stop valve and the first oil supply loop, second oil supply loop and the 3rd oil supply loop are in parallel, described first oil supply loop is quantitative fuel system, described second oil supply loop is that variable pump regulates flow fuel system, described 3rd oil supply loop is that buncher regulates flow fuel system.
In such scheme, described speed control loop is made up of choke valve, the first hydraulic cylinder and the 4th check valve, bi-bit bi-pass solenoid directional control valve a is had between choke valve and the first hydraulic cylinder, electric magnet 1YA must not electricity time, bi-bit bi-pass solenoid directional control valve a is in right position function, fluid flows into from choke valve, the rodless cavity of the first hydraulic cylinder is flowed into through bi-bit bi-pass solenoid directional control valve a, drive the first hydraulic cylinder works, and the first hydraulic cylinder rod chamber fluid flows out speed control loop through bi-bit bi-pass solenoid directional control valve a and the 4th check valve；When electric magnet 1YA obtains electric, fluid is from choke valve out, flow into the first hydraulic cylinder rod chamber through bi-bit bi-pass solenoid directional control valve a, drive the first hydraulic cylinder reverse operation, and the first hydraulic cylinder rodless cavity fluid flows out speed control loop through bi-bit bi-pass solenoid directional control valve a and the 4th check valve.
In such scheme, described locking loop is made up of three-position four-way electromagnetic directional valve, hydraulic control one-way valve a, the second hydraulic cylinder, hydraulic control one-way valve b and the 5th check valve, wherein hydraulic control one-way valve a and hydraulic control one-way valve b forms bidirectional hydraulic lock, when three-position four-way electromagnetic directional valve two electric magnet 2YA and 3YA all must not electricity time, this three-position four-way electromagnetic directional valve is in middle position, wherein position is O type function, hydraulic control one-way valve a and hydraulic control one-way valve b is turned off, second hydraulic cylinder bidirectional locking, fluid cannot flow into, even if there being pressure in hydraulic cylinder, fluid cannot flow out in the same old way；When the electric magnet 2YA of three-position four-way electromagnetic directional valve obtains electric, this valve is in left position, after fluid enters locking loop, the second hydraulic cylinder rod chamber is flowed into through this three-position four-way electromagnetic directional valve and hydraulic control one-way valve b, drive the second hydraulic cylinder works, the hydraulic control one-way valve a being simultaneously connected by hydraulic control mouth conducting rodless cavity, in rodless cavity, fluid flows out through the hydraulic control one-way valve a of conducting, then flows out locking loop through three-position four-way electromagnetic directional valve and the 5th check valve；When the electric magnet 3YA of three-position four-way electromagnetic directional valve obtains electric, this valve is in right position, after fluid enters locking loop, the second hydraulic cylinder rodless cavity is flowed into through this three-position four-way electromagnetic directional valve and hydraulic control one-way valve a, drive the second hydraulic cylinder works, the hydraulic control one-way valve b being simultaneously connected by hydraulic control mouth conducting rod chamber, in rod chamber, fluid flows out through the hydraulic control one-way valve b of conducting, then flows out locking loop through three-position four-way electromagnetic directional valve and the 5th check valve.
In such scheme, described pressure reducing circuit is made up of air relief valve, two-position four-way solenoid directional control valve b, the 3rd hydraulic cylinder and the 6th check valve, air relief valve and the 3rd stop valve connect, open the 3rd stop valve, fluid flows into two-position four-way solenoid directional control valve through air relief valve, electric magnet 4YA must not electricity time, reversal valve is in right position, fluid is after air relief valve flows into, enter the 3rd hydraulic cylinder rodless cavity, driving the 3rd hydraulic cylinder works, rod chamber fluid flows out the 3rd hydraulic cylinder, then flows out pressure reducing circuit through bi-bit bi-pass solenoid directional control valve and the 6th check valve；When electric magnet 4YA obtains electric, bi-bit bi-pass solenoid directional control valve is in left position, and fluid is after air relief valve flows into, enter the 3rd hydraulic cylinder rod chamber, driving the 3rd hydraulic cylinder works, rodless cavity fluid flows out the 3rd hydraulic cylinder, then flows out pressure reducing circuit through bi-bit bi-pass solenoid directional control valve and the 6th check valve.
In such scheme, described volume speed-modulating loop is made up of two-way variable displacement pump, double-action variable displacement motor and overflow valve, fluid is extruded by two-way variable displacement pump, and then drive double-action variable displacement motor work, overflow valve plays the effect of relief valve, when the 4th stop valve is opened, volume speed-modulating loop repairing, two-way variable displacement pump is used for realizing bi-directional variable speed rotary motion with the combination of double-action variable displacement motor.
In such scheme, described first oil supply loop includes that the first dosing pump, the first common electric machine and the first check valve, the first common electric machine rotate, drive the first dosing pump from fuel tank oil suction, fluid flows into control system through the first check valve, is provided with the first filter between the first dosing pump and fuel tank；Described second oil supply loop includes the second filter, variable pump, the second common electric machine and the second check valve, second common electric machine rotates, variable pump is driven to flow into control system through the second check valve from fuel tank oil suction, fluid, have the second filter between variable pump and fuel tank；Described 3rd oil supply loop includes the 3rd filter, the second dosing pump, buncher and the 3rd check valve, buncher rotates, the second dosing pump is driven to flow into control system through the 3rd check valve from fuel tank oil suction, fluid, have the 3rd filter between the second dosing pump and fuel tank.
In such scheme, described speed control loop, described locking loop, between described pressure reducing circuit and described volume speed-modulating loop and fuel tank, it is sequentially installed with effusion meter and cooler, described effusion meter is connected with controller, and described controller is also connected with described first common electric machine, described second common electric machine, described buncher and described variable pump.
In such scheme, described first hydraulic cylinder, the second hydraulic cylinder and the 3rd hydraulic cylinder are same hydraulic cylinder, realize different functions by the selection of different circuit, flexible and changeable.
In such scheme, described first hydraulic cylinder, the second hydraulic cylinder the 3rd and hydraulic cylinder are alternatively different hydraulic cylinders, variant functional liquid cylinder pressure co-ordination, coordinate the two-way variable displacement pump of volume speed-modulating loop, complete complex work by different combinations.
Beneficial effects of the present invention: the multi-purpose hydraulic system of (1) present invention and control method thereof, multiple hydraulic pressure in parallel perform loop, simply switch the required loop of increase and decrease according to field requirement and can meet working condition requirement, both the co-ordination of many actuators can have been carried out, single actuator can be carried out sequencing contro again, sequential working and the control of many actuators can be realized in the case of actuator is enough with control loop the most in the same old way, working condition requirement with satisfied change, reach the effect of multifunctional working, improve the hydraulic system adaptation ability to various operating modes, promote being used interchangeably of hydraulic system, and promote popularization and the development of multifunction hydraulic control technology.(2) multi-purpose hydraulic system of the present invention and control method thereof, the in parallel dexterously oil supply loop using different flow regulative mode, the advantage combining different flow regulative mode, and throw aside the shortcoming incompatible with operating mode, reach the effect according to working condition requirement unrestricted choice, achieve the purpose of multi-functional control, there is fabulous adaptation ability.
Accompanying drawing explanation
Fig. 1 is one multi-purpose hydraulic system of the present invention and control method schematic diagram thereof.
In figure: 1-the first filter；2-the first dosing pump；3-the first common electric machine；4-the first check valve；5-the second filter；6-variable pump；7-the second common electric machine；8-the second check valve；9-the 3rd filter；10-the second dosing pump；11-buncher；12-the 3rd check valve；13-the first stop valve；14-choke valve；15-two-position four-way electric change valve a；16-the first hydraulic cylinder；17-the 4th check valve；18-the second stop valve；19-three-position four-way electromagnetic directional valve；20-hydraulic control one-way valve a；21-the second hydraulic cylinder；22-hydraulic control one-way valve b；23-the 5th check valve；24-the 3rd stop valve；25-air relief valve；26-two-position four-way solenoid directional control valve b；27-the 3rd hydraulic cylinder；28-the 6th check valve；29-the 4th stop valve；30-two-way variable displacement pump；31-overflow valve；32-double-action variable displacement motor；33-effusion meter；34-cooler；35--controller；36-fuel tank.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further illustrated, but protection scope of the present invention is not limited to this.
As it is shown in figure 1, a kind of multi-purpose hydraulic system and control method thereof, including the first oil supply loop, the second oil supply loop, the 3rd oil supply loop, speed control loop, locking loop, pressure reducing circuit, volume speed-modulating loop, controller and fuel tank；It is characterized in that the first oil supply loop, the second oil supply loop, the 3rd oil supply loop are jointly to system fuel feeding, system performance loop includes speed control loop, locking loop, pressure reducing circuit, volume speed-modulating loop, is realized the selection in each loop by first stop valve the 13, second stop valve the 18, the 3rd stop valve 24 and the 4th stop valve 29.Wherein:
First oil supply loop includes the first filter the 1, first dosing pump the 2, first common electric machine 3 and the first check valve 4, first common electric machine 2 rotates, drive the first dosing pump 2 from fuel tank 36 oil suction, the first filter 1 is had between the first dosing pump 2 and fuel tank 36, to filter impurity in fluid, fluid flows into system through the first check valve 4.
Second oil supply loop includes the second filter 5, variable pump the 6, second common electric machine 7 and the second check valve 8, second common electric machine 7 rotates, drive variable pump 6 from fuel tank 36 oil suction, the second filter 5 is had between variable pump 6 and fuel tank 36, to filter impurity in fluid, fluid flows into system through the second check valve 8.Wherein, variable pump 6 can carry out Displacement Regulation according to the signal of controller 35, and the second common electric machine 7 rotating speed is constant, thus reach regulation and flow into the effect of flow system flow.
3rd oil supply loop includes the 3rd filter the 9, second dosing pump 10, buncher 11 and the 3rd check valve 12, buncher 11 rotates, drive the second dosing pump 10 from fuel tank 36 oil suction, the 3rd filter 9 is had between the second dosing pump 10 and fuel tank 36, to filter impurity in fluid, fluid flows into system through the 3rd check valve 12.
Wherein, buncher 11 can regulate rotating speed according to the signal of controller 35, and the discharge capacity of the second dosing pump 10 is constant, thus reach regulation and flow into the effect of flow system flow.
Speed control loop is made up of choke valve 14, two-position four-way solenoid directional control valve a15, the first hydraulic cylinder the 16, the 4th check valve 17, open the first stop valve 13, the fluid that oil supply loop provides gets enter into speed control loop, fluid throttles through choke valve 14, regulation enters the flow of speed control loop, and then the movement velocity of regulation the first hydraulic cylinder 16.Bi-bit bi-pass solenoid directional control valve a15 is had between choke valve 14 and the first hydraulic cylinder 16, electric magnet 1YA must not electricity time, bi-bit bi-pass solenoid directional control valve a15 is in right position function, fluid flows into from choke valve 14, the rodless cavity of the first hydraulic cylinder 16 is flowed into through bi-bit bi-pass solenoid directional control valve a15, drive the first hydraulic cylinder 16 to work, and the first hydraulic cylinder 16 rod chamber fluid flows out speed control loop 38 through bi-bit bi-pass solenoid directional control valve a15 and the 4th check valve 17；When electric magnet 1YA obtains electric, fluid is from choke valve 14 out, flow into the first hydraulic cylinder 16 rod chamber through bi-bit bi-pass solenoid directional control valve a15, drive the first hydraulic cylinder 16 reverse operation, and the first hydraulic cylinder 16 rodless cavity fluid flows out speed control loop through bi-bit bi-pass solenoid directional control valve a15 and the 4th check valve 17.Regulated the flow flowing into speed control loop 38 by the valve port opening of regulation choke valve 14 further, reach to regulate hydraulic cylinder and advance or the effect of astern speed.
Locking loop is made up of three-position four-way electromagnetic directional valve 19, hydraulic control one-way valve a20, the second hydraulic cylinder 21, hydraulic control one-way valve b22 and the 5th check valve 23, opens stop valve 18, and the fluid that oil supply loop provides gets enter into locking loop.Wherein hydraulic control one-way valve a20 and hydraulic control one-way valve b22 forms bidirectional hydraulic lock, when three-position four-way electromagnetic directional valve 19 two electric magnet 2YA and 3YA all must not electricity time, this three-position four-way electromagnetic directional valve 19 is in middle position, wherein position is O type function, hydraulic control one-way valve a20 and hydraulic control one-way valve b22 is turned off, the second hydraulic cylinder 21 bidirectional locking, and fluid cannot flow into, even if there being pressure in hydraulic cylinder, fluid cannot flow out in the same old way.When the electric magnet 2YA of three-position four-way electromagnetic directional valve 19 obtains electric, this valve is in left position, after fluid enters locking loop, the second hydraulic cylinder 21 rod chamber is flowed into through this three-position four-way electromagnetic directional valve 19 and hydraulic control one-way valve b22, the second hydraulic cylinder 21 is driven to work, the hydraulic control one-way valve a20 being simultaneously connected by hydraulic control mouth conducting rodless cavity.And fluid flows out through the hydraulic control one-way valve a20 of conducting in rodless cavity, then flow out locking loop 39 through three-position four-way electromagnetic directional valve 19 and the 5th check valve 23；When the electric magnet 3YA of three-position four-way electromagnetic directional valve 19 obtains electric, this valve is in right position, after fluid enters locking loop 39, the second hydraulic cylinder 21 rodless cavity is flowed into through this three-position four-way electromagnetic directional valve 19 and hydraulic control one-way valve a20, the second hydraulic cylinder 21 is driven to work, the hydraulic control one-way valve b22 being simultaneously connected by hydraulic control mouth conducting rod chamber.And fluid flows out through the hydraulic control one-way valve b22 of conducting in rod chamber, then flow out locking loop 39 through three-position four-way electromagnetic directional valve 19 and the 5th check valve 23.
Pressure reducing circuit is made up of air relief valve 25, two-position four-way solenoid directional control valve the 26, the 3rd hydraulic cylinder 27 and the 6th check valve 28, is realized the further reduction of the operating pressure of the 3rd hydraulic cylinder 27 by air relief valve 25.Open the 3rd stop valve 24, fluid flows into two-position four-way solenoid directional control valve 26 through air relief valve 25, electric magnet 4YA must not electricity time, reversal valve is in right position, fluid, after air relief valve 25 flows into, enters the 3rd hydraulic cylinder 27 rodless cavity, drives the 3rd hydraulic cylinder 27 to work, rod chamber fluid flows out the 3rd hydraulic cylinder 27, then flows out pressure reducing circuit through bi-bit bi-pass solenoid directional control valve 26 and the 6th check valve 28.When electric magnet 4YA obtains electric, bi-bit bi-pass solenoid directional control valve 26 is in left position, fluid is after air relief valve 25 flows into, enter the 3rd hydraulic cylinder 27 rod chamber, the 3rd hydraulic cylinder 27 is driven to work, rodless cavity fluid flows out the 3rd hydraulic cylinder 27, then goes out pressure reducing circuit through bi-bit bi-pass solenoid directional control valve 26 and the 6th check valve stream 28.
Volume speed-modulating loop is made up of two-way variable displacement pump 30, overflow valve 31 and double-action variable displacement motor 32, fluid is extruded by two-way variable displacement pump 30, and then drive double-action variable displacement motor 32 to work, overflow valve 31 plays the effect of relief valve, 4th stop valve 29 is opened, volume speed-modulating loop repairing, two-way variable displacement pump 30 can realize bi-directional variable speed rotary motion with the combination of double-action variable displacement motor 32.
Fluid, after speed control loop, locking loop, pressure reducing circuit and volume speed-modulating loop flow out, returns to fuel tank 36 through effusion meter 33 and cooler 34.Effusion meter 33 produces signal, is transferred to controller 35, and controller produces command signal, it is achieved to variable pump 6 and the control of buncher 11.
Effusion meter 33 detects return flow, produces signal and is delivered to controller 35, and this flow signal is processed by controller 35, and produces control signal, and control signal is delivered to variable pump 6, with the discharge capacity of control variable pump 6, thus regulates fuel supply flow rate；Control signal can control the first common electric machine the 3, second common electric machine 7 and buncher 11 simultaneously and respectively；Control signal is delivered to buncher 11, to control buncher 11 rotating speed, thus regulates fuel supply flow rate；Control signal is delivered to the first electric magnet 1YA, controls electromagnetic actuation, makes two-position four-way solenoid directional control valve a15 commutate and be in left position；Control signal is delivered to the second electric magnet 2YA, makes three-position four-way electromagnetic directional valve 19 commutate and is in left position；Control signal is delivered to the 3rd electric magnet 3YA, makes three-position four-way electromagnetic directional valve 19 commutate and is in right position；Control signal is delivered to the 4th electric magnet 4YA, two-position four-way solenoid directional control valve b26 and commutates and be in left position.
Described embodiment be the present invention preferred embodiment; but the present invention is not limited to above-mentioned embodiment; in the case of without departing substantially from the flesh and blood of the present invention, any conspicuously improved, replacement or modification that those skilled in the art can make belong to protection scope of the present invention.
Claims (9)
- null1. a multifunctional solution pressure control system，It is characterized in that，Including speed control loop、Locking loop、Pressure reducing circuit and volume speed-modulating loop，Described speed control loop input is by the first stop valve (13) and the first oil supply loop、Second oil supply loop and the 3rd oil supply loop are in parallel，Described locking loop input is by the second stop valve (18) and the first oil supply loop、Second oil supply loop and the 3rd oil supply loop are in parallel，Described pressure reducing circuit input is by the 3rd stop valve (24) and the first oil supply loop、Second oil supply loop and the 3rd oil supply loop are in parallel，Described volume speed-modulating loop input is by the 4th stop valve (29) and the first oil supply loop、Second oil supply loop and the 3rd oil supply loop are in parallel，Described first oil supply loop is quantitative fuel system，Described second oil supply loop is that variable pump regulates flow fuel system，Described 3rd oil supply loop is that buncher regulates flow fuel system.
- A kind of multifunctional solution pressure control system the most according to claim 1, it is characterized in that, described speed control loop is by choke valve (14), first hydraulic cylinder (16) and the 4th check valve (17) composition, bi-bit bi-pass solenoid directional control valve a(15 is had) between choke valve (14) and the first hydraulic cylinder (16), electric magnet 1YA must not electricity time, bi-bit bi-pass solenoid directional control valve a(15) it is in right position function, fluid flows into from choke valve (14), through bi-bit bi-pass solenoid directional control valve a(15) flow into the rodless cavity of the first hydraulic cylinder (16), the first hydraulic cylinder (16) is driven to work, and the first hydraulic cylinder (16) rod chamber fluid is through bi-bit bi-pass solenoid directional control valve a(15) and the 4th check valve (17) outflow speed control loop (38)；When electric magnet 1YA obtains electric, fluid is from choke valve (14) out, through bi-bit bi-pass solenoid directional control valve a(15) flow into the first hydraulic cylinder (16) rod chamber, drive the first hydraulic cylinder (16) reverse operation, and the first hydraulic cylinder (16) rodless cavity fluid be through bi-bit bi-pass solenoid directional control valve a(15) and the 4th check valve (17) outflow speed control loop.
- A kind of multifunctional solution pressure control system the most according to claim 1, it is characterized in that, described locking loop is by three-position four-way electromagnetic directional valve (19), hydraulic control one-way valve a(20), second hydraulic cylinder (21), hydraulic control one-way valve b(22) and the 5th check valve (23) composition, wherein hydraulic control one-way valve a(20) and hydraulic control one-way valve b(22) composition bidirectional hydraulic lock, when three-position four-way electromagnetic directional valve (19) two electric magnet 2YA and 3YA all must not electricity time, this three-position four-way electromagnetic directional valve (19) is in middle position, wherein position is O type function, hydraulic control one-way valve a(20) and hydraulic control one-way valve b(22) be turned off, second hydraulic cylinder (21) bidirectional locking, fluid cannot flow into, even if hydraulic cylinder has pressure, fluid cannot flow out in the same old way；When the electric magnet 2YA of three-position four-way electromagnetic directional valve (19) obtains electric, this valve is in left position, after fluid enters locking loop, through this three-position four-way electromagnetic directional valve (19) and hydraulic control one-way valve b(22) flow into the second hydraulic cylinder (21) rod chamber, the second hydraulic cylinder (21) is driven to work, the hydraulic control one-way valve a(20 being simultaneously connected by hydraulic control mouth conducting rodless cavity), in rodless cavity, fluid is through the hydraulic control one-way valve a(20 of conducting) flow out, then flow out locking loop (39) through three-position four-way electromagnetic directional valve (19) and the 5th check valve (23)；When the electric magnet 3YA of three-position four-way electromagnetic directional valve (19) obtains electric, this valve is in right position, after fluid enters locking loop (39), through this three-position four-way electromagnetic directional valve (19) and hydraulic control one-way valve a(20) flow into the second hydraulic cylinder (21) rodless cavity, the second hydraulic cylinder (21) is driven to work, the hydraulic control one-way valve b(22 being simultaneously connected by hydraulic control mouth conducting rod chamber), in rod chamber, fluid is through the hydraulic control one-way valve b(22 of conducting) flow out, then flow out locking loop (39) through three-position four-way electromagnetic directional valve (19) and the 5th check valve (23).
- A kind of multifunctional solution pressure control system the most according to claim 1, it is characterized in that, described pressure reducing circuit is by air relief valve (25), two-position four-way solenoid directional control valve b(26), 3rd hydraulic cylinder (27) and the 6th check valve (28) composition, air relief valve (25) is connected with the 3rd stop valve (24), open the 3rd stop valve (24), fluid flows into two-position four-way solenoid directional control valve (26) through air relief valve (25), electric magnet 4YA must not electricity time, reversal valve is in right position, fluid is after air relief valve (25) flows into, enter the 3rd hydraulic cylinder (27) rodless cavity, drive the 3rd hydraulic cylinder (27) work, rod chamber fluid flows out the 3rd hydraulic cylinder (27), pressure reducing circuit is flowed out again through bi-bit bi-pass solenoid directional control valve (26) and the 6th check valve (28)；When electric magnet 4YA obtains electric, bi-bit bi-pass solenoid directional control valve (26) is in left position, fluid is after air relief valve (25) flows into, enter the 3rd hydraulic cylinder (27) rod chamber, drive the 3rd hydraulic cylinder (27) work, rodless cavity fluid flows out the 3rd hydraulic cylinder (27), then goes out pressure reducing circuit (40) through bi-bit bi-pass solenoid directional control valve (26) and the 6th check valve stream (28).
- A kind of multifunctional solution pressure control system the most according to claim 1, it is characterized in that, described volume speed-modulating loop is made up of two-way variable displacement pump (30), double-action variable displacement motor (32) and overflow valve (31), fluid is extruded by two-way variable displacement pump (30), and then drive double-action variable displacement motor (32) work, overflow valve (31) plays the effect of relief valve, when the 4th stop valve (29) is opened, volume speed-modulating loop repairing, two-way variable displacement pump (30) is used for realizing bi-directional variable speed rotary motion with the combination of double-action variable displacement motor (32).
- A kind of multifunctional solution pressure control system the most according to claim 1, it is characterized in that, described first oil supply loop includes the first dosing pump (2), the first common electric machine (3) and the first check valve (4), first common electric machine (3) rotates, drive the first dosing pump (2) from fuel tank (36) oil suction, fluid flows into control system through the first check valve (4), is provided with the first filter (1) between the first dosing pump (2) and fuel tank (36)；Described second oil supply loop includes the second filter (5), variable pump (6), the second common electric machine (7) and the second check valve (8), second common electric machine (7) rotates, drive variable pump (6) from fuel tank (36) oil suction, fluid flows into control system through the second check valve (8), has the second filter (5) between variable pump (6) and fuel tank (36)；Described 3rd oil supply loop includes the 3rd filter (9), the second dosing pump (10), buncher (11) and the 3rd check valve (12), buncher (11) rotates, drive the second dosing pump (10) from fuel tank (36) oil suction, fluid flows into control system through the 3rd check valve (12), has the 3rd filter (9) between the second dosing pump (10) and fuel tank (36).
- A kind of multifunctional solution pressure control system the most according to claim 6, it is characterized in that, effusion meter (33) and cooler (34) it is sequentially installed with between described speed control loop, described locking loop, described pressure reducing circuit and described volume speed-modulating loop and fuel tank (36), described effusion meter (33) is connected with controller (35), and described controller (35) is also connected with described first common electric machine (3), described second common electric machine (7), described buncher (11) and described variable pump (6).
- A kind of multifunctional solution pressure control system the most according to claim 7, it is characterized in that, described first hydraulic cylinder (16), the second hydraulic cylinder (21) and the 3rd hydraulic cylinder (27) are same hydraulic cylinder, realize different functions by the selection of different circuit, flexible and changeable.
- A kind of multifunctional solution pressure control system the most according to claim 7, it is characterized in that, described first hydraulic cylinder (16), the second hydraulic cylinder (21) the 3rd and hydraulic cylinder (27) are different hydraulic cylinders, variant functional liquid cylinder pressure co-ordination, coordinate the two-way variable displacement pump (32) of volume speed-modulating loop, complete complex work by different combinations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610560407.9A CN106015137B (en) | 2016-07-18 | 2016-07-18 | A kind of multi-purpose hydraulic system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610560407.9A CN106015137B (en) | 2016-07-18 | 2016-07-18 | A kind of multi-purpose hydraulic system |
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| CN106015137A true CN106015137A (en) | 2016-10-12 |
| CN106015137B CN106015137B (en) | 2018-08-10 |
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| CN201610560407.9A Expired - Fee Related CN106015137B (en) | 2016-07-18 | 2016-07-18 | A kind of multi-purpose hydraulic system |
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| CN (1) | CN106015137B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475796A (en) * | 2016-12-27 | 2017-03-08 | 广东工业大学 | A kind of hydrostatic guide rail system and its fueller |
| CN107965482A (en) * | 2017-09-01 | 2018-04-27 | 广州宏途设备工程有限公司 | A kind of bracing members prestressing force classification application system accurately controlled |
| CN108005974A (en) * | 2017-12-27 | 2018-05-08 | 中船重工中南装备有限责任公司 | The crawler belt levelling control system and adjustment control method of a kind of drill carriage |
| CN108584808A (en) * | 2018-06-05 | 2018-09-28 | 安徽合力股份有限公司 | A kind of low cost of reach truck accessory, single control hydraulic system |
| CN108999820A (en) * | 2018-08-27 | 2018-12-14 | 中国空气动力研究与发展中心高速空气动力研究所 | Linkage control system and method for flexible wall of wind tunnel |
| CN109595207A (en) * | 2019-01-21 | 2019-04-09 | 何旺成 | Digital control water hydraulic canonical system circuit |
| CN109944836A (en) * | 2019-03-21 | 2019-06-28 | 福建工程学院 | A kind of servo motor drives the distributed direct Driving force system of double constant displacement pumps |
| CN110500331A (en) * | 2019-09-30 | 2019-11-26 | 太原科技大学 | The hydraulic circuit of anvil locking quick change on a kind of hydraulic forging press |
| WO2019238946A1 (en) * | 2018-06-15 | 2019-12-19 | Dana Italia S.R.L. | Hydraulic circuit |
| CN111843813A (en) * | 2020-06-29 | 2020-10-30 | 西安理工大学 | Honing head for machining cylinder hole of hydraulic drive internal combustion engine and hydraulic loop of honing head |
| CN113623295A (en) * | 2021-08-13 | 2021-11-09 | 中铁四局集团第四工程有限公司 | Distributed hydraulic system applied to railway crossing protective equipment |
| CN113650252A (en) * | 2021-07-05 | 2021-11-16 | 海天塑机集团有限公司 | Hydraulic control loop for accelerating forming of PET raw material |
| CN114033775A (en) * | 2021-11-23 | 2022-02-11 | 武汉船用机械有限责任公司 | Multifunctional high-flow hydraulic system and control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2511816Y (en) * | 2001-12-28 | 2002-09-18 | 中国石油集团地球物理勘探局 | Hydraulic system for screw drill in desert |
| JP4905424B2 (en) * | 2008-08-22 | 2012-03-28 | ダイキン工業株式会社 | Hydraulic equipment and construction machinery |
| CN102700099A (en) * | 2012-06-20 | 2012-10-03 | 无锡天惠塑机有限公司 | Hydraulic system used for injection molding machine |
| CN202789859U (en) * | 2012-08-13 | 2013-03-13 | 江苏大学 | Hydraulic energy-saving temperature controlling system for loader working equipment |
| CN103161190A (en) * | 2013-03-12 | 2013-06-19 | 天津工程机械研究院 | Hybrid power full hydraulic loading machine hydraulic system based on pressure common rail system |
| JP2016098588A (en) * | 2014-11-25 | 2016-05-30 | Ｋｙｂ株式会社 | Hybrid construction machine control system |
-
2016
- 2016-07-18 CN CN201610560407.9A patent/CN106015137B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2511816Y (en) * | 2001-12-28 | 2002-09-18 | 中国石油集团地球物理勘探局 | Hydraulic system for screw drill in desert |
| JP4905424B2 (en) * | 2008-08-22 | 2012-03-28 | ダイキン工業株式会社 | Hydraulic equipment and construction machinery |
| CN102700099A (en) * | 2012-06-20 | 2012-10-03 | 无锡天惠塑机有限公司 | Hydraulic system used for injection molding machine |
| CN202789859U (en) * | 2012-08-13 | 2013-03-13 | 江苏大学 | Hydraulic energy-saving temperature controlling system for loader working equipment |
| CN103161190A (en) * | 2013-03-12 | 2013-06-19 | 天津工程机械研究院 | Hybrid power full hydraulic loading machine hydraulic system based on pressure common rail system |
| JP2016098588A (en) * | 2014-11-25 | 2016-05-30 | Ｋｙｂ株式会社 | Hybrid construction machine control system |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475796A (en) * | 2016-12-27 | 2017-03-08 | 广东工业大学 | A kind of hydrostatic guide rail system and its fueller |
| CN107965482A (en) * | 2017-09-01 | 2018-04-27 | 广州宏途设备工程有限公司 | A kind of bracing members prestressing force classification application system accurately controlled |
| CN108005974A (en) * | 2017-12-27 | 2018-05-08 | 中船重工中南装备有限责任公司 | The crawler belt levelling control system and adjustment control method of a kind of drill carriage |
| CN108005974B (en) * | 2017-12-27 | 2023-06-30 | 中船重工中南装备有限责任公司 | Crawler belt leveling control system and adjustment control method of drill carriage |
| CN108584808A (en) * | 2018-06-05 | 2018-09-28 | 安徽合力股份有限公司 | A kind of low cost of reach truck accessory, single control hydraulic system |
| CN108584808B (en) * | 2018-06-05 | 2024-05-28 | 安徽合力股份有限公司 | Low-cost single-control hydraulic system of forward forklift attachment |
| US11339811B2 (en) | 2018-06-15 | 2022-05-24 | Dana Italia S.R.L. | Hydraulic circuit |
| CN112368482B (en) * | 2018-06-15 | 2023-09-01 | 意大利德纳有限责任公司 | hydraulic circuit |
| WO2019238946A1 (en) * | 2018-06-15 | 2019-12-19 | Dana Italia S.R.L. | Hydraulic circuit |
| EP3597934A1 (en) * | 2018-06-15 | 2020-01-22 | Dana Italia S.r.L. | Hydraulic circuit |
| CN112368482A (en) * | 2018-06-15 | 2021-02-12 | 意大利德纳有限责任公司 | Hydraulic circuit |
| CN108999820A (en) * | 2018-08-27 | 2018-12-14 | 中国空气动力研究与发展中心高速空气动力研究所 | Linkage control system and method for flexible wall of wind tunnel |
| CN109595207A (en) * | 2019-01-21 | 2019-04-09 | 何旺成 | Digital control water hydraulic canonical system circuit |
| CN109944836A (en) * | 2019-03-21 | 2019-06-28 | 福建工程学院 | A kind of servo motor drives the distributed direct Driving force system of double constant displacement pumps |
| CN110500331A (en) * | 2019-09-30 | 2019-11-26 | 太原科技大学 | The hydraulic circuit of anvil locking quick change on a kind of hydraulic forging press |
| CN111843813A (en) * | 2020-06-29 | 2020-10-30 | 西安理工大学 | Honing head for machining cylinder hole of hydraulic drive internal combustion engine and hydraulic loop of honing head |
| CN113650252A (en) * | 2021-07-05 | 2021-11-16 | 海天塑机集团有限公司 | Hydraulic control loop for accelerating forming of PET raw material |
| CN113623295A (en) * | 2021-08-13 | 2021-11-09 | 中铁四局集团第四工程有限公司 | Distributed hydraulic system applied to railway crossing protective equipment |
| CN113623295B (en) * | 2021-08-13 | 2024-01-23 | 中铁四局集团有限公司 | Distributed hydraulic system applied to railway crossing protective equipment |
| CN114033775A (en) * | 2021-11-23 | 2022-02-11 | 武汉船用机械有限责任公司 | Multifunctional high-flow hydraulic system and control method thereof |
| CN114033775B (en) * | 2021-11-23 | 2023-06-23 | 武汉船用机械有限责任公司 | Multifunctional large-flow hydraulic system and control method thereof |
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