CN106194867A - A kind of hydraulic system and mould - Google Patents

A kind of hydraulic system and mould Download PDF

Info

Publication number
CN106194867A
CN106194867A CN201610784629.9A CN201610784629A CN106194867A CN 106194867 A CN106194867 A CN 106194867A CN 201610784629 A CN201610784629 A CN 201610784629A CN 106194867 A CN106194867 A CN 106194867A
Authority
CN
China
Prior art keywords
oil
oil cylinder
hydraulic system
pump
oil pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610784629.9A
Other languages
Chinese (zh)
Inventor
罗岳华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Vaqoung Electric Co Ltd
Original Assignee
Hunan Vaqoung Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Vaqoung Electric Co Ltd filed Critical Hunan Vaqoung Electric Co Ltd
Priority to CN201610784629.9A priority Critical patent/CN106194867A/en
Publication of CN106194867A publication Critical patent/CN106194867A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/17Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02Installations or systems with accumulators
    • F15B1/04Accumulators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08Servomotor systems incorporating electrically operated control means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/20507Type of prime mover
    • F15B2211/20515Electric motor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/20576Systems with pumps with multiple pumps

Abstract

The present invention proposes a kind of hydraulic system, including fuel tank, oil pump, reversal valve and oil cylinder group, described oil pump includes the first oil pump and the second oil pump, described reversal valve includes the first reversal valve and the second reversal valve, the oil inlet end of described first oil pump and the second oil pump is connected with described fuel tank by oil pipe respectively, the oil outlet end of described first oil pump and the second oil pump is connected with described first reversal valve and the second reversal valve by oil pipe respectively, described oil cylinder group includes many first oil cylinder groups and many second oil cylinder groups, described first reversal valve and the second reversal valve are connected with described first oil cylinder group and the second oil cylinder group by oil pipe respectively.The hydraulic system of this structure, compared with existing hydraulic system, owing to being provided with the first oil pump and the second oil pump simultaneously, and first oil pump and the second oil pump be simultaneously operable, therefore, it can provide the pressure oil of abundance for the first oil cylinder group and the second oil cylinder group so that the better reliability of hydraulic work system.

Description

A kind of hydraulic system and mould
Technical field
The present invention relates to mould applications, particularly to a kind of hydraulic system and mould.
Background technology
For various large molds, the locking etc. between the movement of mould, mould, mainly completed by hydraulic system.
But currently used hydraulic system, it is primarily present following problem, first, the structure of hydraulic system is the most complicated, Cause production cost and use cost higher.Secondly, the reliability of hydraulic system is relatively poor, such as many oil cylinder commutation differences Step, the problem such as system leakage of oil.Again, conventional hydraulic system there is also the problems such as system hydraulic pressure is not enough.
In sum, how to provide a kind of good reliability, the hydraulic system that system pressure is sufficient and use cost is low, with And include the mould of this hydraulic system, become those skilled in the art to need badly and solved the technical problem that.
Summary of the invention
The technical problem to be solved in the present invention is: providing a kind of good reliability, system pressure is sufficient and use cost is low Hydraulic system, and include the mould of this hydraulic system.
The solution of the present invention is achieved in that the present invention proposes a kind of hydraulic system, including fuel tank, oil pump, changes To valve and oil cylinder group, described oil pump includes the first oil pump and the second oil pump, and described reversal valve includes that the first reversal valve and second changes To valve, the oil inlet end of described first oil pump and the second oil pump is connected with described fuel tank by oil pipe respectively, described first oil pump with The oil outlet end of the second oil pump is connected with described first reversal valve and the second reversal valve by oil pipe respectively, and described oil cylinder group includes many Root the first oil cylinder group and many second oil cylinder groups, described first reversal valve and the second reversal valve are respectively by oil pipe and described first Oil cylinder group connects with the second oil cylinder group.The hydraulic system of this structure, compared with existing hydraulic system, owing to being provided with first simultaneously Oil pump and the second oil pump, and the first oil pump and the second oil pump be simultaneously operable, and therefore, it can be the first oil cylinder group and the second oil cylinder Group provides sufficient pressure oil so that the better reliability of hydraulic work system.
Another technical scheme of the present invention is on above-mentioned basis, and described first oil cylinder group includes four group oil cylinders, often Group oil cylinder includes many first oil cylinders.This set-up mode, owing to two oil pumps can provide sufficient pressure oil, therefore, four groups of oil The concordance of cylinder action can get effective guarantee, and whole efficiency is higher.
Another technical scheme of the present invention is on above-mentioned basis, and every group oil cylinder includes four first oil cylinders, four The action when structure of the first oil cylinder and work is the most consistent;Described second oil cylinder group includes four second oil cylinders, four second oil The action when structure of cylinder and work is the most consistent.
Another technical scheme of the present invention is on above-mentioned basis, and described hydraulic system also includes controller and multiple The pressure transducer being electrically connected with the controller, described controller connects with described first oil pump and the second oil pump respectively, described pressure Force transducer is respectively arranged on described first oil cylinder and the second oil cylinder, and can be the first oil cylinder and the pressure signal of the second oil cylinder Being transferred to controller, described controller regulates the fuel delivery to corresponding oil cylinder according to pressure signal;Or,
Described hydraulic system also includes controller and multiple displacement transducer being electrically connected with the controller, and described controller divides Not connecting with described first oil pump and the second oil pump, institute's displacement sensors is respectively arranged at described first oil cylinder and the second oil cylinder On, and the displacement signal of the first oil cylinder and the second oil cylinder can be transferred to controller, described controller regulates according to displacement signal First oil pump and second oil pump fuel delivery to corresponding oil cylinder.
Another technical scheme of the present invention is on above-mentioned basis, and described first oil cylinder and the second oil cylinder all include cylinder Cylinder and the piston rod being arranged in cylinder barrel, described cylinder barrel offers at least two hydraulic fluid port;
Flow speed control valve is further respectively had on the pipeline connected with the hydraulic fluid port of many first oil cylinders.
Another technical scheme of the present invention is on above-mentioned basis, and described first reversal valve and the second reversal valve are three Position four-way electro-hydraulic reversing valve or three-position four-way electromagnetic directional valve.
Another technical scheme of the present invention is on above-mentioned basis, described first oil cylinder group and described first reversal valve Between be additionally provided with the reversible lock for locking the first oil cylinder, described reversible lock passes through hydraulic control.
Another technical scheme of the present invention is on above-mentioned basis, and described hydraulic system also includes the first motor and Two motors, described first oil pump is vane pump, and described vane pump is rotated by the first driven by motor;Described second oil pump is plunger Pump, described plunger displacement pump is rotated by the second driven by motor.This set-up mode, is carried for system by vane pump and plunger displacement pump respectively For pressure oil, there is operating pressure big, continue the advantage that supply capability is strong.
Another technical scheme of the present invention is on above-mentioned basis, is additionally provided with air mistake on described fuel tank or in fuel tank Filter, oil filter, liquidometer and temperature sensor;It is additionally provided with in described hydraulic system for maintaining at least one of system pressure Accumulator.
It addition, the present invention also proposes a kind of mould, including hydraulic system, described hydraulic system is to appoint in claim 1 to 9 One described hydraulic system.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, and the present invention's is schematic real Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.
Fig. 1 is the structural representation of a kind of hydraulic system of the present invention.
Reference corresponding relation is:
1 first reversal valve 2 air filter 3 liquidometer
4 first overflow valve 5 first oil filter 6 second oil filters
7 first motor 8 vane pump 9 first check valves
10 hose assembly 11 Pressure gauge 12 second overflow valves
13 first throttle valve 14 accumulator 15 first oil cylinders
16 reversible lock 17 fuel tank 18 first ball valves
19 temperature sensor 20 second motor 21 plunger displacement pumps
22 second ball valve 23 flow speed control valve 24 the 3rd oil filters
25 second reversal valve 26 second throttle 27 second oil cylinders
28 second check valves
Detailed description of the invention
Describing the present invention below in conjunction with the accompanying drawings, the description of this part is only exemplary and explanatory, should not Protection scope of the present invention is had any restriction effect.Additionally, those skilled in the art are according to the description of presents, can be right In presents, the feature in embodiment and in different embodiment carries out respective combination.
The embodiment of the present invention is as follows, refers to the hydraulic system described in Fig. 1, in the middle of mould, specifically include fuel tank 17, Oil pump, reversal valve and oil cylinder group, more specifically, oil pump includes the first oil pump and the second oil pump, and reversal valve includes the first commutation Valve 1 and the second reversal valve 25, oil cylinder group includes many first oil cylinder groups and many second oil cylinder groups, the first oil pump and the second oil pump On be equipped with oil inlet end and oil outlet end, the oil inlet end of the first oil pump and the second oil pump is connected with fuel tank 17 by oil pipe, and first The oil outlet end of oil pump and the second oil pump is connected by oil pipe and the first reversal valve 1 and the second reversal valve 25 the most respectively, and first changes Connected by oil pipe and the first oil cylinder group and the second oil cylinder group the most respectively with the second reversal valve 28 to valve 1.The liquid of this structure Pressure system, compared with existing hydraulic system, owing to being provided with the first oil pump and the second oil pump simultaneously, and the first oil pump and second oil Pump is simultaneously operable, and therefore, it can provide the pressure oil of abundance for the first oil cylinder group and the second oil cylinder group so that hydraulic system work The better reliability made.
On the basis of above-described embodiment, in another embodiment of the present invention, as shown in fig. 1, the first oil cylinder group includes four Group oil cylinder, every group oil cylinder includes many first oil cylinders 15 being set up in parallel.This set-up mode, owing to two oil pumps can provide sufficient Pressure oil, therefore, the concordance of four group oil cylinder actions can get effective guarantee, and whole efficiency is higher.
On the basis of above-described embodiment, in another embodiment of the present invention, as it is shown in figure 1, more specifically, every group oil cylinder Including four first oil cylinders 15, the structure of four first oil cylinders 15 is consistent, and model is consistent with specification, and, during work, its action Also consistent, as four first oil cylinders 15 can stretch out simultaneously, can retraction simultaneously etc..First oil cylinder 15 is specially Mode-locking oil cylinder, the most logical Cross the first oil cylinder 15, the dynamic model of mould and cover half can be locked together, prevent from injection moulding process is subjected to displacement, and then ensure to produce The quality of production of product.For the second oil cylinder group, as shown in fig. 1, also include four second oil cylinders 27, four second oil cylinders 27 Structure is consistent, and model is the most consistent with specification, and, during work, its action is also consistent, as four second oil cylinders 27 can be stretched simultaneously Go out, can retraction simultaneously etc..Second oil cylinder 27 is specially jacking cylinder, and four second oil cylinders 27 may be disposed at four angles of mould On, during the demoulding, four second oil cylinders 27 act on jointly, the dynamic model of mould are lifted off cover half, it is achieved the demoulding.
On the basis of above-described embodiment, in another embodiment of the present invention, in practical work process, due to alignment error or The problem of the aspects such as oil cylinder leakage, therefore, not pressure and the stroke of every oil cylinder are the most completely the same, for solving this problem, liquid Pressure system also includes controller and multiple pressure transducer being electrically connected with the controller, controller respectively with the first oil pump and second Oil pump electrically connects, and meanwhile, multiple pressure transducers are respectively arranged in the first oil cylinder 15 and the second oil cylinder 27, and for measurement the Pressure in one oil cylinder 15 and the second oil cylinder 27, pressure transducer can return pressure signal transmission to controller in real time, when detecting When in-oil cylinder force value is not within normal range, the first oil pump and the second oil pump can be controlled by controller, regulate in time Fuel delivery to corresponding oil cylinder, to ensure the first oil cylinder 15 and pressure balance of the second oil cylinder 27.It should be noted that except pressure Outside sensor, it is also possible to be respectively provided with displacement transducer on the first oil cylinder 15 and the second oil cylinder 27, for detecting the shifting of oil cylinder Dynamic distance, displacement transducer is electrically connected with the controller simultaneously, and in real time signal is transferred to controller, when shifting oil cylinder being detected When dynamic stroke is the most up to standard or exceeds standard, controller can regulate the first oil pump and the fuel delivery of the second oil pump, strengthen in time or reduce right The fuel delivery of corresponding oil cylinder, thus ensure its displacement.
On the basis of above-described embodiment, in another embodiment of the present invention, as it is shown in figure 1, for the first oil cylinder 15 and Two oil cylinders 27, configuration aspects, all include that cylinder barrel and the piston and piston rod, piston and the piston rod that are arranged in cylinder barrel can be at cylinder barrels Interior movement, and oil cylinder is separated on rod chamber and rodless cavity, rod chamber and rodless cavity is equipped with hydraulic fluid port, in two hydraulic fluid ports, when During hydraulic fluid port oil-feed on rod chamber, the hydraulic fluid port on rodless cavity is fuel-displaced, and now, piston rod moves to rodless cavity direction from rod chamber. Phase-plate, piston rod then moves to rod chamber direction.It should be noted that in another kind of embodiment, it is also possible to piston rod is Fixed, and cylinder barrel is moveable, now, when rod chamber oil-feed, cylinder barrel then moves toward rod chamber direction.Meanwhile, For convenience the stretching speed of the first oil cylinder 15 is adjusted and controls, on the pipeline connected with the hydraulic fluid port of many first oil cylinders 15 Further respectively have flow speed control valve 23.
On the basis of above-described embodiment, in another embodiment of the present invention, as shown in fig. 1, for the first reversal valve 1 He Second reversal valve 25, specially three position four-way directional control valve, more specifically, the first commutation and the second reversal valve 25 can be by electricity Magnet is controlled, and is three-position four-way electromagnetic directional valve.Meanwhile, the first reversal valve 1 and the second reversal valve 25 can also pass through Electrichydraulic control, is 3-position 4-way electro-hydraulic reversing valve.It is, of course, also possible to simultaneously by two ways, to the first reversal valve 1 and the Two reversal valves 25 are controlled.
On the basis of above-described embodiment, in another embodiment of the present invention, as it is shown in figure 1, the first oil cylinder group is changed with first Between valve 1, be additionally provided with the reversible lock 16 for many first oil cylinders 15 being carried out locking, certainly, it is possible to the second oil cylinder group with It is also provided with reversible lock 16 between second reversal valve 25.Reversible lock 16 is preferably superposition hydraulic control reversible lock, and its concrete structure refers to Existing and improve technology, be not described in detail in this.
On the basis of above-described embodiment, in another embodiment of the present invention, as it is shown in figure 1, for hydraulic system, also include First motor 7 and the second motor 20, the first oil pump is specially vane pump 8, and the first motor 7 is arranged on the first oil pump or one Side, and for driving the first oil pump to rotate.Second oil pump is specially plunger displacement pump 21, the second motor 20 be arranged on the second oil pump or Its side, and for driving the second oil pump to rotate.This set-up mode, is carried for system by vane pump 8 and plunger displacement pump 21 respectively For pressure oil, there is operating pressure big, continue the advantage that supply capability is strong.
On the basis of above-described embodiment, in another embodiment of the present invention, as it is shown in figure 1, on fuel tank 17 or in fuel tank 17 It is additionally provided with for air is carried out filtered air filter 2, the oil filter that fluid is filtered, and be used for measuring fluid The liquidometer 3 of position, and for the temperature sensor 19 that oil liquid temperature is measured.More specifically, oil filter includes First oil filter the 5, second oil filter 6 and the 3rd oil filter 24, the first oil filter 5 is arranged between row the first oil pump and fuel tank 17 On pipeline, the second oil filter 6 is arranged on the pipeline between the first reversal valve 1 and the second reversal valve 25 and fuel tank 17, the 3rd filter Oil device 24 is then arranged on the pipeline between the second oil pump and fuel tank 17.Additionally, for ensureing hydraulic system safety, hydraulic system is also Including the first overflow valve 4 and the second overflow valve 12, the first overflow valve 4 is arranged on the flowline of the first oil pump, the second overflow valve On 12 flowlines being arranged at the second oil pump, the first overflow valve 4 all connects with fuel tank 17 with the second overflow valve 12.Meanwhile, for protecting Card oil circuit pressure is stable, is additionally provided with accumulator 14, is additionally provided with the first ball valve 18 between accumulator 14 and pipeline in hydraulic system, stores Can be additionally provided with the second ball valve 22 between device 14 and fuel tank 17, the concrete structure of accumulator 14 refers to existing and improved procedure, It is not described in detail in this.
As shown in fig. 1, hydraulic system is additionally provided with the first check valve 9 and the second check valve 28, the number of the first check valve 9 Amount is for multiple, and is respectively arranged between oil pump and the first reversal valve 1, and between the second oil pump and the second reversal valve 25, the Two check valves 28 are arranged on the pipeline between the second reversal valve 25 and the second oil cylinder group.Additionally, for realizing fluid in oil circuit The control of flow, is additionally provided with first throttle valve 13 and second throttle 26 in hydraulic system, first throttle valve 13 is arranged at first On pipeline between reversal valve 1 and the first oil cylinder group, second throttle 26 be arranged at the second reversal valve 25 and the second oil cylinder group it Between pipeline on, by first throttle valve 13 and the control of second throttle 26, can realize respectively the first oil cylinder group and The control of two oil cylinder group stretching speeds.
As shown in fig. 1, for measuring loine pressure in hydraulic system in real time, it is ensured that hydraulic system safe operation, hydraulic pressure system It is additionally provided with Pressure gauge 11 on the hose assembly 10 of system, by Pressure gauge 11, the pressure data of hose assembly 10 can be measured in real time.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (10)

1. a hydraulic system, including fuel tank (17), oil pump, reversal valve and oil cylinder group, it is characterised in that described oil pump includes One oil pump and the second oil pump, described reversal valve includes the first reversal valve (1) and the second reversal valve (25), described first oil pump and The oil inlet end of two oil pumps is connected with described fuel tank (17) by oil pipe respectively, and the oil outlet end of described first oil pump and the second oil pump divides Tong Guo not connect with described first reversal valve (1) and the second reversal valve (25) by oil pipe, described oil cylinder group includes many first oil cylinders Group and many second oil cylinder groups, described first reversal valve (1) and the second reversal valve (25) are respectively by oil pipe and described first oil Cylinder group connects with the second oil cylinder group.
Hydraulic system the most according to claim 1, it is characterised in that described first oil cylinder group includes four group oil cylinders, often group Oil cylinder includes many first oil cylinders (15).
Hydraulic system the most according to claim 2, it is characterised in that every group oil cylinder includes four first oil cylinders (15), four The action when structure of root the first oil cylinder (15) and work is the most consistent;
Described second oil cylinder group includes four second oil cylinders (27), and the action when structure of four second oil cylinders (27) and work is equal Unanimously.
Hydraulic system the most according to claim 3, it is characterised in that described hydraulic system also include controller and multiple with The pressure transducer of controller electrical connection, described controller connects with described first oil pump and the second oil pump respectively, described pressure Sensor is respectively arranged on described first oil cylinder (15) and the second oil cylinder (27), and can be the first oil cylinder (15) and the second oil cylinder (27) pressure signal transmission is to controller, and described controller regulates the first oil pump and the second oil pump to accordingly according to pressure signal The fuel delivery of oil cylinder;Or,
Described hydraulic system also includes controller and multiple displacement transducer being electrically connected with the controller, described controller respectively with Described first oil pump and the connection of the second oil pump, institute's displacement sensors is respectively arranged at described first oil cylinder (15) and the second oil cylinder (27) on, and the displacement signal of the first oil cylinder (15) and the second oil cylinder (27) can be transferred to controller, described controller according to Displacement signal regulates the first oil pump and second oil pump fuel delivery to corresponding oil cylinder.
Hydraulic system the most according to claim 4, it is characterised in that described first oil cylinder (15) and the second oil cylinder (27) are equal Including cylinder barrel and the piston rod being arranged in cylinder barrel, described cylinder barrel offers at least two hydraulic fluid port;
Flow speed control valve (23) is further respectively had on the pipeline connected with the hydraulic fluid port of many first oil cylinders (15).
Hydraulic system the most according to claim 1, it is characterised in that described first reversal valve (1) and the second reversal valve (25) it is 3-position 4-way electro-hydraulic reversing valve or three-position four-way electromagnetic directional valve.
Hydraulic system the most according to claim 1, it is characterised in that described first oil cylinder group and described first reversal valve (1) being additionally provided with the reversible lock (16) for locking the first oil cylinder (15) between, described reversible lock (16) passes through hydraulic control.
Hydraulic system the most according to claim 1, it is characterised in that described hydraulic system also include the first motor (7) and Second motor (20), described first oil pump is vane pump (8), and described vane pump (8) is rotated by the first motor (7);
Described second oil pump is plunger displacement pump (21), and described plunger displacement pump (21) is rotated by the second motor (20).
Hydraulic system the most according to any one of claim 1 to 9, it is characterised in that described fuel tank (17) is gone up or fuel tank (17) air filter (2), oil filter, liquidometer (3) and temperature sensor (19) it are additionally provided with in;
At least one accumulator (14) for maintaining system pressure it is additionally provided with in described hydraulic system.
10. a mould, including hydraulic system, it is characterised in that described hydraulic system is institute any one of claim 1 to 9 The hydraulic system stated.
CN201610784629.9A 2016-08-31 2016-08-31 A kind of hydraulic system and mould Pending CN106194867A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610784629.9A CN106194867A (en) 2016-08-31 2016-08-31 A kind of hydraulic system and mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610784629.9A CN106194867A (en) 2016-08-31 2016-08-31 A kind of hydraulic system and mould

Publications (1)

Publication Number Publication Date
CN106194867A true CN106194867A (en) 2016-12-07

Family

ID=58085656

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610784629.9A Pending CN106194867A (en) 2016-08-31 2016-08-31 A kind of hydraulic system and mould

Country Status (1)

Country Link
CN (1) CN106194867A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108869464A (en) * 2018-08-02 2018-11-23 深圳领威科技有限公司 A kind of application method of hydraulic device, hot chamber machine and hydraulic device
CN109624254A (en) * 2019-01-10 2019-04-16 泰瑞机器股份有限公司 A kind of high response injection molding machine servo pumping cylinder injecting systems

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005098455A (en) * 2003-09-26 2005-04-14 Mitsubishi Heavy Ind Ltd Hydraulic controller of industrial machinery
CN102155445A (en) * 2011-02-22 2011-08-17 山东泰丰液压股份有限公司 Hydraulic control system with double-feedback active proportional servo cartridge valve for CNC (Computer Numerical Control) bending machine
EP2474746A1 (en) * 2009-09-02 2012-07-11 Hitachi Construction Machinery Co., Ltd. Hydraulic drive device for hydraulic working machine
CN203067378U (en) * 2012-12-21 2013-07-17 柳工无锡路面机械有限公司 Hydraulic controlling system used for integration of lifting, braking and towing of road roller
CN203500155U (en) * 2013-08-31 2014-03-26 西安志越机电科技有限公司 Closed type hydraulic system of engineering vehicle travelling mechanism
CN204419737U (en) * 2015-01-19 2015-06-24 甘肃中水电水工机械有限公司 A kind of rotating platform flat car for transportation hydraulic control system
CN104791332A (en) * 2015-04-10 2015-07-22 中国航天科技集团公司烽火机械厂 Electric-hydraulic servo system
CN206346972U (en) * 2016-08-31 2017-07-21 湖南华强电气股份有限公司 A kind of hydraulic system and mould

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005098455A (en) * 2003-09-26 2005-04-14 Mitsubishi Heavy Ind Ltd Hydraulic controller of industrial machinery
EP2474746A1 (en) * 2009-09-02 2012-07-11 Hitachi Construction Machinery Co., Ltd. Hydraulic drive device for hydraulic working machine
CN102155445A (en) * 2011-02-22 2011-08-17 山东泰丰液压股份有限公司 Hydraulic control system with double-feedback active proportional servo cartridge valve for CNC (Computer Numerical Control) bending machine
CN203067378U (en) * 2012-12-21 2013-07-17 柳工无锡路面机械有限公司 Hydraulic controlling system used for integration of lifting, braking and towing of road roller
CN203500155U (en) * 2013-08-31 2014-03-26 西安志越机电科技有限公司 Closed type hydraulic system of engineering vehicle travelling mechanism
CN204419737U (en) * 2015-01-19 2015-06-24 甘肃中水电水工机械有限公司 A kind of rotating platform flat car for transportation hydraulic control system
CN104791332A (en) * 2015-04-10 2015-07-22 中国航天科技集团公司烽火机械厂 Electric-hydraulic servo system
CN206346972U (en) * 2016-08-31 2017-07-21 湖南华强电气股份有限公司 A kind of hydraulic system and mould

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108869464A (en) * 2018-08-02 2018-11-23 深圳领威科技有限公司 A kind of application method of hydraulic device, hot chamber machine and hydraulic device
CN108869464B (en) * 2018-08-02 2024-04-05 深圳领威科技有限公司 Hydraulic device, hot chamber die casting machine and use method of hydraulic device
CN109624254A (en) * 2019-01-10 2019-04-16 泰瑞机器股份有限公司 A kind of high response injection molding machine servo pumping cylinder injecting systems

Similar Documents

Publication Publication Date Title
WO2015078249A1 (en) Integrated hydraulic valve unit, hydraulic driving system and concrete pump
CN103644151A (en) Energy-conservation and low-impact hydraulic cylinder test testbed hydraulic control system
CN107269609B (en) Combining hydraulic system in load-sensitive valve
CN102734263B (en) Engineering machine and pumping mechanism thereof as well as pumping hydraulic oil supply system
CN106080763A (en) A kind of fluid motor-driven steering based on all-hydraulic steering gear
CN105757015A (en) Hydraulic driven type non-intermittent supercharging device
CN107120326B (en) A kind of levelling oil cylinder hydraulic control system of loading head
CN106194867A (en) A kind of hydraulic system and mould
CN105351278B (en) Electric-hydraulic combined servo-control system
CN103591075A (en) Hydraulic control system synchronous with crane and balancing weight hydraulic cylinder and flow control valve
CN102381230A (en) Demountable tanker truck and hydraulic system thereof
CN108571491A (en) A kind of hydraulic cylinder applied voltage test test device
CN105757016A (en) Hydraulic control system of supercharging device
CN206346972U (en) A kind of hydraulic system and mould
CN203614480U (en) Hydraulic control system for pavement paver leveling
CN103465955A (en) Hydraulic control valve bank for locking steering shaft of crane, steering system and crane
CN203770266U (en) Hydraulic pumping system and concrete pumping equipment
CN106438555B (en) Hydraulic control valve and hydraulic system
CN104214142A (en) Manifold truck and hydraulic control system thereof
CN115653957B (en) Hydraulic leveling system and aerial work platform
CN209261941U (en) The hydraulic control system and crane of crane
CN207848076U (en) A kind of delay braking control valve for excavator rotary motor
CN205331103U (en) A hydraulic system for controlling paver aircraft bonnet and ceiling lift
CN202047957U (en) Hydraulic two-cylinder single-acting reciprocating pump driving system adopting turning valve to change direction
CN209012512U (en) A kind of large size ball valve aperture accuracy-control system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20161207