CN102155463A - Novel electromechanical and hydraulic integrated large-torque executor - Google Patents
Novel electromechanical and hydraulic integrated large-torque executor Download PDFInfo
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- CN102155463A CN102155463A CN2011100722339A CN201110072233A CN102155463A CN 102155463 A CN102155463 A CN 102155463A CN 2011100722339 A CN2011100722339 A CN 2011100722339A CN 201110072233 A CN201110072233 A CN 201110072233A CN 102155463 A CN102155463 A CN 102155463A
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Abstract
The invention relates to a novel electromechanical and hydraulic integrated large-torque executor which comprises an electric control system, a hydraulic system, a hand operating mechanism and a mechanical executing mechanism, wherein the hydraulic system is respectively connected with the electric control system, the hand operating mechanism and the mechanical executing mechanism; the electric control system comprises a motor; the hydraulic system comprises a hydraulic manifold block and a hydraulic cylinder; and the motor adopts a bidirectional motor which is connected with a bidirectional gear pump through a servo coupler, and the bidirectional gear pump is connected to the hydraulic manifold block. The bidirectional motor coaxially drives the bidirectional gear pump and realizes execution function of the mechanical executing system through controlling reciprocation of the hydraulic cylinder by the hydraulic manifold block; synchronous rapid reversing is realized by adopting coaxial drive, thus the reversing precision and the reliability and the controllability of unit operation are improved; the flexible connection principle of the servo coupler is applied, thus mechanical interference is eliminated; and a superposition principle is adopted, thus system structure is simplified, leakage points are eliminated, and environment protection property and economy are greatly improved.
Description
Technical field
The present invention relates to the liquid integrated high pulling torque final controlling element of a kind of novel electromechanical.
Background technique
Traditional electro-hydraulic actuator normally directly is connected with pump or hydraulic station by automatical control system.Wherein electrohydraulic control is electrohydraulic control system " heart ", it be electricity/liquid conversion element be again power amplification element, it is subjected to the electrical signal control transformation to become high power hydraulic to export to enter to carry out original paper (oil hydraulic cylinder); Electrohydraulic control is made up of electrical/mechanical conversion equipment, hydraulic amplifier, feedback means three parts, also is equivalent to electricity/pneumatic valve positioner principle, resistance tocrocking, poor stability.Not only bulky, and phenomenons such as high pressure spot leakage of oil, seepage take place easily, pressure transient often occurs, thereby cause valve open and close fault not in place.
Chinese patent CN2577023 discloses a kind of electro-hydraulic actuator, belongs to the driving actuator in hydraulic machinery field, can be widely used in industries such as power plant, metallurgy, mine.It comprises motor, fuel tank, hydraulic jack, the outside one end of fuel tank links to each other with motor, the other end links to each other with hydraulic jack, substrate is equipped with on the outside rear wall plate of fuel tank top, the oil circuit integrated package links to each other with substrate, hydraulic lock, pressure regulator valve and solenoid directional control valve are housed on the oil circuit integrated package, and two hydraulic fluid ports of oil circuit integrated package link to each other with two hydraulic fluid ports of hydraulic jack by high-pressure oil pipe; Fuel tank internal is provided with coupling, ratchet pump and high pressure filter, and coupling links to each other with the ratchet pump, and high pressure filter one end links to each other with the ratchet pump, and the other end links to each other with the fuel tank rear wall plate.This electro-hydraulic actuator has reasonable in design, the fuel tank production of can finalizing the design, advantage such as volume is little, and the pressure measurement Position Design is reasonable, and assembling, maintenance, repair are convenient.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides the liquid integrated high pulling torque final controlling element of a kind of novel electromechanical, double-direction gearpump is combined with the motor bi-directional drive, be applied to the positive and negative motion of final controlling element, reach the purpose of simplied system structure.
A kind of mechanical-electrical-hydraulic integration high pulling torque final controlling element, form by automatical control system, hydraulic system, hand behaviour mechanism, mechanical actuating mechanism, wherein hydraulic system is connected with mechanical actuating mechanism respectively at automatical control system, hand behaviour mechanism, described automatical control system comprises motor, described hydraulic system is made up of hydraulic manifold block and oil hydraulic cylinder, described motor adopts either-rotation motor, and described either-rotation motor connects double-direction gearpump by servo coupling, and double-direction gearpump is connected to hydraulic manifold block.
Preferably, described motor is a dc brushless motor.
Compared with prior art, the liquid integrated high pulling torque final controlling element of novel electromechanical of the present invention can be realized the adjusting of valve and cut off control, has cancelled the huge hydraulic station of conventional hydraulic control system, widely reduced volume, save material, reduce investment outlay.Have that multiple functional, compact structure, volume are little, in light weight, advantage such as be quick on the draw.
The comparison of electric control reversing principle: " the liquid integrated high pulling torque final controlling element of novel electromechanical " of the present invention, commutate simultaneously and rapidly by either-rotation motor Driven by Coaxial double-direction gearpump; And traditional hydraulic actuator is to commutate by the control of hydraulic proportion valve or servovalve, its hydraulic system complexity, commutation and degree of regulation is poor, reaction velocity is slow.
The present invention is by either-rotation motor Driven by Coaxial double-direction gearpump and realize the execution function of mechanical execution system by the to-and-fro motion that hydraulic manifold block is controlled oil hydraulic cylinder; Adopt Driven by Coaxial to realize commutation simultaneously and rapidly, improved reliability, the controllability of commutation precision and unit operation; Use the principle that flexibly connects of servo coupling, eliminate mechanical disturbance; Adopt superposition principle to simplify system architecture, eliminate the leak source that leaks, improved the feature of environmental protection and Economy greatly.
The liquid integrated high pulling torque final controlling element of novel electromechanical of the present invention is applied in the automatic instrument control system, and is supporting with butterfly valve, ball valve, stopcock, air door, gate valve, stop valve etc., realizes the control to valve.
Description of drawings
Fig. 1 is a product overall structure schematic representation of the present invention;
Fig. 2 is a system works schematic diagram of the present invention;
Fig. 3 is the internal structure schematic representation of the liquid integrated high pulling torque final controlling element of novel electromechanical of the present invention.
Embodiment
Below in conjunction with accompanying drawing and by embodiment the invention is specifically described.Same parts is represented with same label in the accompanying drawings.It is important to point out that present embodiment only is used for invention is further specified, but can not be interpreted as restriction the invention protection domain.The person skilled in art can make some nonessential improvement and adjustment to the present invention according to the above-mentioned technology contents that provides.
With reference to Fig. 1-3, the liquid integrated high pulling torque final controlling element of a kind of novel electromechanical, comprise automatical control system 1, hydraulic system 2, hand behaviour mechanism 3 and mechanical execution system 4, wherein hydraulic system 2 is connected with mechanical actuating mechanism 4 respectively at automatical control system 1, hand behaviour mechanism 3, described automatical control system 1 comprises motor 5, described hydraulic system is made up of hydraulic manifold block 6 and oil hydraulic cylinder 7, described motor 5 adopts either-rotation motor, described either-rotation motor connects double-direction gearpump 9 by servo coupling 8, and double-direction gearpump 9 is connected to hydraulic manifold block 6.
Described either-rotation motor 11 Driven by Coaxial double-direction gearpumps 22 reach synchronous communicating, and realize the control of 4 pairs of valves 10 of mechanical execution system by the to-and-fro motion of hydraulic manifold block 23 control oil hydraulic cylinders 21.Hydraulic system 2 is connected with mechanical execution system 4 with hydraulic pressure hand behaviour mechanism 3 respectively; Thereby form mechanical-electrical-hydraulic integration actuator, realize operation and manually operated two kinds of operating functions automatically.
The liquid integrated high pulling torque final controlling element of novel electromechanical of the present invention rationally becomes one the various systems of mechanical electronic hydraulic.Realize synchronous communicating with either-rotation motor Driven by Coaxial double-direction gearpump, adopt the work of superposition principle by the hydraulic manifold block loop, the rotation that the to-and-fro motion of oil hydraulic cylinder is changed into mechanical execution system realizes every function.Reduce externally connected pipe and leakage point, stablized oil pressure, improved reliability of operation and the stability and the feature of environmental protection.
At last, it is also to be noted that what more than enumerate only is specific embodiments of the invention, obviously, the invention is not restricted to above examples of implementation, many distortion can also be arranged.Protection scope of the present invention is all thought in all distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention.
Claims (2)
1. mechanical-electrical-hydraulic integration high pulling torque final controlling element, form by automatical control system, hydraulic system, hand behaviour mechanism, mechanical actuating mechanism, wherein hydraulic system is connected with mechanical actuating mechanism respectively at automatical control system, hand behaviour mechanism, described automatical control system comprises motor, described hydraulic system is made up of hydraulic manifold block and oil hydraulic cylinder, it is characterized in that: described motor adopts either-rotation motor, and described either-rotation motor connects double-direction gearpump by servo coupling, and double-direction gearpump is connected to hydraulic manifold block.
2. mechanical-electrical-hydraulic integration high pulling torque final controlling element according to claim 1 is characterized in that described motor is a dc brushless motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100722339A CN102155463A (en) | 2011-03-24 | 2011-03-24 | Novel electromechanical and hydraulic integrated large-torque executor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100722339A CN102155463A (en) | 2011-03-24 | 2011-03-24 | Novel electromechanical and hydraulic integrated large-torque executor |
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| Publication Number | Publication Date |
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| CN102155463A true CN102155463A (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011100722339A Pending CN102155463A (en) | 2011-03-24 | 2011-03-24 | Novel electromechanical and hydraulic integrated large-torque executor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410808A (en) * | 2013-07-17 | 2013-11-27 | 丽水中德石化设备有限公司 | Intrinsic safety type fire-proof and explosion-proof electro-hydraulic actuator and control method thereof |
| CN113931903A (en) * | 2021-10-13 | 2022-01-14 | 宁波友联智能科技有限公司 | Intelligent electro-hydraulic actuator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846119A (en) * | 2010-05-11 | 2010-09-29 | 丽水中德石化设备有限公司 | Electro-hydraulic actuator of hydraulic integration machine |
| CN101846114A (en) * | 2010-04-23 | 2010-09-29 | 扬州市中瑞机电设备制造有限公司 | Electrohydraulic gyrator |
| CN201606345U (en) * | 2009-12-18 | 2010-10-13 | 沈阳东北电力调节技术有限公司 | Integrated-type electro-hydraulic servo actuator |
| CN201972993U (en) * | 2011-03-24 | 2011-09-14 | 丽水中德石化设备有限公司 | Novel mechanical electric and hydraulic integral large-torque actuator |
-
2011
- 2011-03-24 CN CN2011100722339A patent/CN102155463A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201606345U (en) * | 2009-12-18 | 2010-10-13 | 沈阳东北电力调节技术有限公司 | Integrated-type electro-hydraulic servo actuator |
| CN101846114A (en) * | 2010-04-23 | 2010-09-29 | 扬州市中瑞机电设备制造有限公司 | Electrohydraulic gyrator |
| CN101846119A (en) * | 2010-05-11 | 2010-09-29 | 丽水中德石化设备有限公司 | Electro-hydraulic actuator of hydraulic integration machine |
| CN201972993U (en) * | 2011-03-24 | 2011-09-14 | 丽水中德石化设备有限公司 | Novel mechanical electric and hydraulic integral large-torque actuator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410808A (en) * | 2013-07-17 | 2013-11-27 | 丽水中德石化设备有限公司 | Intrinsic safety type fire-proof and explosion-proof electro-hydraulic actuator and control method thereof |
| CN103410808B (en) * | 2013-07-17 | 2015-07-15 | 丽水中德石化设备有限公司 | Intrinsic safety type fire-proof and explosion-proof electro-hydraulic actuator and control method thereof |
| CN113931903A (en) * | 2021-10-13 | 2022-01-14 | 宁波友联智能科技有限公司 | Intelligent electro-hydraulic actuator |
| CN113931903B (en) * | 2021-10-13 | 2024-03-08 | 宁波友联智能科技有限公司 | Intelligent electrohydraulic actuator |
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Application publication date: 20110817 |