CN204646828U - Servo-hydraulic final controlling element - Google Patents

Servo-hydraulic final controlling element Download PDF

Info

Publication number
CN204646828U
CN204646828U CN201520319853.1U CN201520319853U CN204646828U CN 204646828 U CN204646828 U CN 204646828U CN 201520319853 U CN201520319853 U CN 201520319853U CN 204646828 U CN204646828 U CN 204646828U
Authority
CN
China
Prior art keywords
servo
cylinder
oil pump
actuating motor
hydraulic
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.)
Expired - Fee Related
Application number
CN201520319853.1U
Other languages
Chinese (zh)
Inventor
张全来
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.)
Jin Tiancheng Mechanical And Electrical Equipment Co Ltd
Original Assignee
Jin Tiancheng Mechanical And Electrical Equipment 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 Jin Tiancheng Mechanical And Electrical Equipment Co Ltd filed Critical Jin Tiancheng Mechanical And Electrical Equipment Co Ltd
Priority to CN201520319853.1U priority Critical patent/CN204646828U/en
Application granted granted Critical
Publication of CN204646828U publication Critical patent/CN204646828U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

A kind of servo-hydraulic final controlling element, comprising: servo-cylinder, servo-cylinder includes two fluid openings, in servo-cylinder, be provided with cylinder rod, and the arranged outside in servo-cylinder has displacement transducer, and displacement transducer has the test rod parallel with cylinder rod; Hydraulic system, hydraulic system comprises actuating motor, the oil pump be connected with actuating motor power and multiple one-way valve, oil pump has two oil pump holes, two oil pump holes are by pipeline corresponding fluid opening docking respectively, and one-way valve is set on pipeline, oil pump and pipeline form servopump group and are arranged in pump assembly housing, and actuating motor, servopump group and servo-cylinder are integrated arranges formation entirety.The utility model is that the energy can directly use with electric energy, and by actuating motor with oil pump composition power plant and oil cylinder is integrated is arranged at integrally, it is high that it has degree of integration, the feature that volume is little.

Description

Servo-hydraulic final controlling element
Technical field
The utility model relates to equipment technical field of surging, more particularly, and particularly a kind of servo-hydraulic final controlling element.
Background technique
Hydraulic actuator is that power completes a kind of final controlling element performed an action with hydraulic oil, is mainly used in large-scale operational site.
In the prior art, hydraulic actuator mainly comprises two parts:
1, oil engine part, oil engine is made up of, for final controlling element provides power source equipment such as actuating motor, oil pump, fuel tank, accumulators;
2, hydraulic executer part, hydraulic executer part is made up of equipment such as electrohydraulic control, final controlling element, feedback transducers.
The major defect of hydraulic executer is just: bulky heaviness, power consumption, expensive, require secondary filter medium.
Model utility content
(1) technical problem that will solve
A kind of hydraulic actuator of delicate structure is provided.
(2) technological scheme
A kind of servo-hydraulic final controlling element, comprising:
Servo-cylinder, described servo-cylinder includes two fluid openings, in described servo-cylinder, be provided with cylinder rod, and the arranged outside in described servo-cylinder has displacement transducer, and institute's displacement sensors has the test rod parallel with described cylinder rod;
Hydraulic system, described hydraulic system comprises actuating motor, the oil pump be connected with described actuating motor power and multiple one-way valve, described oil pump has two oil pump holes, two described oil pump holes are by pipeline corresponding described fluid opening docking respectively, and described one-way valve is set on described pipeline, described oil pump and described pipeline form servopump group and are arranged in pump assembly housing, and described actuating motor, described servopump group and described servo-cylinder are integrated arranges formation entirety.
Preferably, described actuating motor comprises actuating motor shell; Described actuating motor and described servopump group enumerate setting, and described pump assembly housing is connected with described actuating motor housing bolts, and described pump assembly housing is connected with described servo-cylinder bolt.
Preferably, the utility model also includes overflow fuel tank, and described overflow fuel tank is arranged on described pipeline by relief valve.
Preferably, the utility model also comprises Pilot operated check valve; Described fluid opening comprises first-class through hole and second through hole, and described oil pump hole comprises the first oil pump hole and the second oil pump hole; Described first oil pump hole connects described pipeline, and be communicated with formation first oil circuit by described Pilot operated check valve with described first-class through hole, described first oil circuit is provided with described one-way valve and described relief valve, described first oil circuit is connected with overflow fuel tank by described one-way valve and described relief valve; Described second oil pump hole connects described pipeline, and be communicated with formation second oil circuit by described Pilot operated check valve with described second through hole, described second oil circuit is provided with described one-way valve and described relief valve, described second oil circuit is connected with overflow fuel tank by described one-way valve and described relief valve.
(3) beneficial effect
Designed by said structure, the utility model is that the energy can directly use with electric energy, compared with prior art, this servo-hydraulic final controlling element does not need additional configuration hydraulic system, but by actuating motor with oil pump composition power plant and oil cylinder is integrated is arranged at integrally, it is high that it has degree of integration, the feature that volume is little.
Accompanying drawing explanation
Fig. 1 is the structural representation of servo-hydraulic final controlling element in the utility model embodiment;
Fig. 2 is the hydraulic system pipeline connection diagram of servo-hydraulic final controlling element in the utility model embodiment;
In fig. 1 and 2, the corresponding relation of component names and accompanying drawing number is:
Servo-cylinder 1, cylinder rod 2, displacement transducer 3, actuating motor 4, overflow fuel tank 5, oil pump 6.
Embodiment
Below in conjunction with drawings and Examples, mode of execution of the present utility model is described in further detail.Following examples for illustration of the utility model, but can not be used for limiting scope of the present utility model.
In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more; Term " on ", D score, "left", "right", " interior ", " outward ", " front end ", " rear end ", " head ", the orientation of the instruction such as " afterbody " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " is connected ", " connection " should be interpreted broadly, such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
Please refer to Fig. 1 and Fig. 2, wherein, Fig. 1 is the structural representation of servo-hydraulic final controlling element in the utility model embodiment; Fig. 2 is the hydraulic system pipeline connection diagram of servo-hydraulic final controlling element in the utility model embodiment.
The utility model provides a kind of servo-hydraulic final controlling element, comprise: servo-cylinder 1, servo-cylinder 1 includes two fluid openings, cylinder rod 2 is provided with in servo-cylinder 1, arranged outside in servo-cylinder 1 has displacement transducer 3, and displacement transducer 3 has the test rod parallel with cylinder rod 2; Hydraulic system, hydraulic system comprises actuating motor 4, the oil pump 6 be connected with actuating motor 4 power and multiple one-way valve, oil pump 6 has two oil pump holes, two oil pump holes are by pipeline corresponding fluid opening docking respectively, and one-way valve is set on pipeline, oil pump 6 and pipeline form servopump group and are arranged in pump assembly housing, and actuating motor 4, servopump group and servo-cylinder 1 are integrated arranges formation entirety.
Based on said structure design, the servo-hydraulic final controlling element equipment composition that the utility model provides comprises:
1, servocontroller: for receiving position signal and position feedback, outputting to actuating motor 4 through reconciling, controlling the rotation of actuating motor 4.
2, actuating motor 4: receive the signal of servocontroller and direction rotating speed on request rotates.
3, servopump group: synchronous with actuating motor 4, is supplied to oil hydraulic cylinder action by aspect ratio output hydraulic pressure oil.Servopump group includes two-way oil pump 6, relief valve, one-way valve, Pilot operated check valve etc.
Each valve function is as follows:
Two-way oil pump 6: the hydraulic control flow direction of oil in pipeline and flow velocity.
Relief valve: for safety protection during system overburdening.
One-way valve: the fluid after revealing for system supplements.
Pilot operated check valve: the position self-locking after putting in place for system.
4, servo-cylinder 1: by the direction action of hydraulic oil supply.
5, displacement transducer 3: synchronous with servo-cylinder 1, exports servo-cylinder 1 current location.
Equipment components connects:
1, actuating motor 4 is by screw-driving in servopump group, and actuating motor 4 output shaft is connected by coupling with two-way oil pump 6 live axle.
2, servopump group is by screw-driving on servo-cylinder 1, and output oil port directly aims at oil cylinder oil inlet mouth.Or by pipeline, servopump group is connected with servo-cylinder 1.
3, displacement transducer 3 is by screw in compression in servo-cylinder 1 side, and measuring rod is connected with servo-cylinder 1 bar by connecting plate.
Said structure design in, the utility model is made up of two-part, one be servo-cylinder 1 another be hydraulic system.Wherein, servo-cylinder 1 comprises cylinder body, in cylinder body, be provided with piston rod, and the middle part of piston rod arranges piston, and both sides cylinder body being positioned at piston are provided with fluid opening respectively, and fluid opening is used for hydraulic oil and flows into or flow out cylinder body.Also be provided with detection part at the side of servo-cylinder 1, this detection part is displacement transducer 3, and displacement transducer 3 comprises a test rod, and test rod can link with piston rod, thus detects the mobile position of piston rod.
The utility model drives oil pump 6 clockwise and anticlockwise by actuating motor 4 clockwise and anticlockwise thus directly adjusts the position of oil cylinder.Utilize pair balance going out rod oil cylinder uniform section characteristic maintenance system inner fluid.
Hydraulic system comprises actuating motor 4, and after energising, actuating motor 4 can drive oil pump 6 to rotate.Actuating motor 4 can forward or rotate backward, and two-way oil pump selected by oil pump 6, and oil pump 6 is provided with two oil pump holes, and oil pump hole is connected by the hydraulic element such as pipeline, valve member.By controlling the upper and lower motion of the sense of rotation control piston bar of actuating motor 4.
Designed by said structure, the utility model is that the energy can directly use with electric energy, compared with prior art, this servo-hydraulic final controlling element does not need additional configuration hydraulic system, but actuating motor 4 and oil pump 6 are formed power plant and oil cylinder integrated be arranged at one, it is high that it has degree of integration, the feature that volume is little.
Particularly, actuating motor 4 comprises actuating motor shell; Actuating motor 4 and servopump group enumerate setting, and pump assembly housing is connected with actuating motor housing bolts, and pump assembly housing is connected with servo-cylinder 1 bolt.
In other mode of executions of the present utility model, actuating motor 4, servopump group and servo-cylinder 1 adopt and are arranged in order setting.
In order to avoid problems such as the oil circuit blockings that overload startup or other faults cause, the utility model also includes overflow fuel tank 5, and overflow fuel tank 5 is arranged on pipeline by relief valve.When there is the problems such as overload or oil circuit blocking, the hydraulic oil in pipeline cannot circulate and cause hydraulic pressure to raise, and when hydraulic pressure exceedes overflow threshold values, relief valve is opened and connected overflow fuel tank 5, thus the problems such as the system crash avoided hydraulic pressure in pipeline too high and cause.
Based on said structure design, the utility model also comprises Pilot operated check valve; Fluid opening comprises first-class through hole and second through hole, and oil pump hole comprises the first oil pump hole and the second oil pump hole; First oil pump hole connecting pipeline, and be communicated with formation first oil circuit by Pilot operated check valve with first-class through hole, the first oil circuit is provided with one-way valve and relief valve, the first oil circuit is connected with overflow fuel tank 5 by one-way valve and relief valve; Second oil pump hole connecting pipeline, and be communicated with formation second oil circuit by Pilot operated check valve with second through hole, the second oil circuit is provided with one-way valve and relief valve, the second oil circuit is connected with overflow fuel tank 5 by one-way valve and relief valve.
Architecture advances of the present utility model focuses on: servo-hydraulic final controlling element actuating motor 4, oil pump 6, repairing chamber, oil cylinder, feedback transducer is integrated in one to complete positioning control to controll plant in conjunction with microcomputer controller.The integrated volume of system height is only equivalent to hydraulic executer, does not need oil engine to provide power source.When final controlling element does not regulate, actuating motor 4 quits work completely, thus greatly reduces energy ezpenditure.Adopt actuating motor 4 clockwise and anticlockwise adjusting actuator position, decrease electrohydraulic control, fuel tank and pipeline etc. thus cost is reduced greatly.Decrease electrohydraulic control, use the quality requirements of common cartridge valve to hydraulic oil greatly to reduce, thus decrease the cost changing high-precision filter element.
These are only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (4)

1. a servo-hydraulic final controlling element, is characterized in that, comprising:
Servo-cylinder (1), described servo-cylinder includes two fluid openings, cylinder rod (2) is provided with in described servo-cylinder, arranged outside in described servo-cylinder has displacement transducer (3), and institute's displacement sensors has the test rod parallel with described cylinder rod;
Hydraulic system, described hydraulic system comprises actuating motor (4), the oil pump (6) be connected with described actuating motor power and multiple one-way valve, described oil pump has two oil pump holes, two described oil pump holes are by pipeline corresponding described fluid opening docking respectively, and described one-way valve is set on described pipeline, described oil pump and described pipeline form servopump group and are arranged in pump assembly housing, and described actuating motor, described servopump group and described servo-cylinder are integrated arranges formation entirety.
2. servo-hydraulic final controlling element according to claim 1, is characterized in that,
Described actuating motor comprises actuating motor shell;
Described actuating motor and described servopump group enumerate setting, and described pump assembly housing is connected with described actuating motor housing bolts, and described pump assembly housing is connected with described servo-cylinder bolt.
3. servo-hydraulic final controlling element according to claim 1 and 2, is characterized in that,
Also include overflow fuel tank (5), described overflow fuel tank is arranged on described pipeline by relief valve.
4. servo-hydraulic final controlling element according to claim 1, is characterized in that,
Also comprise Pilot operated check valve;
Described fluid opening comprises first-class through hole and second through hole, and described oil pump hole comprises the first oil pump hole and the second oil pump hole;
Described first oil pump hole connects described pipeline, and be communicated with formation first oil circuit by described Pilot operated check valve with described first-class through hole, described first oil circuit is provided with described one-way valve and described relief valve, described first oil circuit is connected with overflow fuel tank by described one-way valve and described relief valve;
Described second oil pump hole connects described pipeline, and be communicated with formation second oil circuit by described Pilot operated check valve with described second through hole, described second oil circuit is provided with described one-way valve and described relief valve, described second oil circuit is connected with overflow fuel tank by described one-way valve and described relief valve.
CN201520319853.1U 2015-05-19 2015-05-19 Servo-hydraulic final controlling element Expired - Fee Related CN204646828U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520319853.1U CN204646828U (en) 2015-05-19 2015-05-19 Servo-hydraulic final controlling element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520319853.1U CN204646828U (en) 2015-05-19 2015-05-19 Servo-hydraulic final controlling element

Publications (1)

Publication Number Publication Date
CN204646828U true CN204646828U (en) 2015-09-16

Family

ID=54099587

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520319853.1U Expired - Fee Related CN204646828U (en) 2015-05-19 2015-05-19 Servo-hydraulic final controlling element

Country Status (1)

Country Link
CN (1) CN204646828U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105782148A (en) * 2016-04-01 2016-07-20 哈尔滨飞机工业集团有限责任公司 Undercarriage rising and landing control hydraulic device for helicopter
CN106337845A (en) * 2016-09-08 2017-01-18 北京精密机电控制设备研究所 Bidirectional electromechanical static pressure control device
CN106382265A (en) * 2016-11-10 2017-02-08 扬州市江都永坚有限公司 Integrated pump control type hydraulic unit
CN108311931A (en) * 2018-02-02 2018-07-24 苏州辰晟优机电科技有限公司 A kind of universal punching machine structure
CN109340220A (en) * 2018-09-06 2019-02-15 北京工业大学 Deep-sea electricity consumption hydrostatic actuator

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105782148A (en) * 2016-04-01 2016-07-20 哈尔滨飞机工业集团有限责任公司 Undercarriage rising and landing control hydraulic device for helicopter
CN106337845A (en) * 2016-09-08 2017-01-18 北京精密机电控制设备研究所 Bidirectional electromechanical static pressure control device
CN106382265A (en) * 2016-11-10 2017-02-08 扬州市江都永坚有限公司 Integrated pump control type hydraulic unit
CN108311931A (en) * 2018-02-02 2018-07-24 苏州辰晟优机电科技有限公司 A kind of universal punching machine structure
CN108311931B (en) * 2018-02-02 2018-12-11 浙江当代风机有限公司 A kind of universal punching machine structure of hydraulic-driven
CN109340220A (en) * 2018-09-06 2019-02-15 北京工业大学 Deep-sea electricity consumption hydrostatic actuator

Similar Documents

Publication Publication Date Title
CN204646828U (en) Servo-hydraulic final controlling element
CN103790874B (en) Valveless Hydrauservo System and controlling method thereof
CN101871478B (en) Loading device of hydraulic motor test board
CN104047912B (en) The digital pump controlled hydraulic differential cylinder in self-powered source
CN103775442A (en) Pump-controlled power recovery hydraulic control system of hydraulic cylinder testing test stand
CN101737380B (en) Electro-hydraulic load simulator with low-pressure oil pump
CN105604121A (en) Control loop of working device of engineering operation equipment
CN104196784A (en) Integrated electro-hydraulic servo mechanism for cabin
CN101813104A (en) Quickly-propelled low-power and energy-saving hydraulic servo-actuator
DE102011118282A1 (en) Hydraulic pump test stand for hydraulic pump, has electronic feedback controller, which adjusts angle of hydraulic motor as control variable considering circuit temperature of hydraulic fluid
CN106257060A (en) A kind of dissimilar redundancy electric steering gear
CN207093478U (en) A kind of hydraulic pressure performs equipment
CN105544631A (en) Control loop of hydraulic bucket working device
CN105020458A (en) Electro hydraulic actuator for butterfly valve
CN104564854A (en) Multi-executer heavy load digital hydraulic loop based on high-voltage common rail cabin
CN106468605B (en) A kind of torque limiter breakaway torque Calibrating experimental bench on wind driven generator coupler
CN103423217B (en) A kind of hydraulic load analog of low noise
CN203114798U (en) Energy-saving servo hydraulic station
CN203430911U (en) Pressure maintaining system for hydraulic machine
CN204646816U (en) Rapid reset servo-hydraulic final controlling element
CN204435341U (en) A kind of energy-saving safeguard device for lifting of ocean platform
CN105156368A (en) Hydraulic driving actuator system
CN108916456A (en) A kind of adjustable auto-manual hydraulic actuating mechanism
CN104454702A (en) Electro-hydraulic executing power unit of turbocharging unit
CN202597325U (en) Direct drive electro-hydraulic servo actuator

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150916

Termination date: 20160519

CF01 Termination of patent right due to non-payment of annual fee