CN201972993U - Novel mechanical electric and hydraulic integral large-torque actuator - Google Patents
Novel mechanical electric and hydraulic integral large-torque actuator Download PDFInfo
- Publication number
- CN201972993U CN201972993U CN2011200806664U CN201120080666U CN201972993U CN 201972993 U CN201972993 U CN 201972993U CN 2011200806664 U CN2011200806664 U CN 2011200806664U CN 201120080666 U CN201120080666 U CN 201120080666U CN 201972993 U CN201972993 U CN 201972993U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- motor
- mechanical
- control system
- way
- 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
Links
Images
Abstract
The utility model relates to a novel mechanical electric and hydraulic integral large-torque actuator, which consists of an electric control system, a hydraulic system, a hand operation mechanism and a mechanical actuating mechanism, wherein the hydraulic system is respectively connected with the electric control system, the hand operation system and the mechanical actuating mechanism, the electric control system comprises a motor, the hydraulic system consists of a hydraulic integration block and a hydraulic cylinder, the motor adopts a two-way motor, the two-way motor is connected with a two-way gear pump through a servo shaft coupler, and the two-way gear pump is connected to the hydraulic integration block. The novel mechanical electric and hydraulic integral large-torque actuator coaxially drives the two-way gear pump through the two-way motor and controls the reciprocating movement of the hydraulic cylinder through the hydraulic integration block for realizing the actuation function of the mechanical actuating system, the coaxial driving is adopted for realizing the synchronous fast steering, the steering precision and the reliability and the controllability of the machine set operation are improved, the flexible connection principle of the servo shaft coupler is utilized for eliminating the mechanical interference, the overlapping principle is adopted for simplifying the system structure, outer leakage points are eliminated, and the environment protection performance and the economic performance are greatly improved.
Description
Technical field
The utility model 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.
The model utility content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of novel electromechanical liquid integrated high pulling torque final controlling element, and double-direction gearpump is combined with the motor bi-directional drive, is applied to the positive and negative motion of final controlling element, reaches 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 utility model 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 utility model, 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 utility model 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 utility model 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 utility model;
Fig. 2 is a system works schematic diagram of the present utility model;
Fig. 3 is the internal structure schematic representation of the liquid integrated high pulling torque final controlling element of the utility model novel electromechanical.
Embodiment
Creation specifically describes to the utility model below in conjunction with accompanying drawing and by embodiment.Same parts is represented with same label in the accompanying drawings.It is important to point out that present embodiment only is used for model utility is further specified, but can not be interpreted as restriction the utility model protection scope.The person skilled in art can make some nonessential improvement and adjustment to the utility model 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 utility model 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 embodiment of the utility model, obviously, the utility model is not limited to above examples of implementation, and many distortion can also be arranged.Protection domain of the present utility model is all thought in all distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of the utility model.
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 |
|---|---|---|---|
| CN2011200806664U CN201972993U (en) | 2011-03-24 | 2011-03-24 | Novel mechanical electric and hydraulic integral large-torque actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200806664U CN201972993U (en) | 2011-03-24 | 2011-03-24 | Novel mechanical electric and hydraulic integral large-torque actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201972993U true CN201972993U (en) | 2011-09-14 |
Family
ID=44578096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200806664U Expired - Fee Related CN201972993U (en) | 2011-03-24 | 2011-03-24 | Novel mechanical electric and hydraulic integral large-torque actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201972993U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155463A (en) * | 2011-03-24 | 2011-08-17 | 丽水中德石化设备有限公司 | Novel electromechanical and hydraulic integrated large-torque executor |
-
2011
- 2011-03-24 CN CN2011200806664U patent/CN201972993U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155463A (en) * | 2011-03-24 | 2011-08-17 | 丽水中德石化设备有限公司 | Novel electromechanical and hydraulic integrated large-torque executor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102588358B (en) | High-performance energy saving type electro-hydraulic servo control oil line | |
| CN106402060B (en) | Directly driven volume controlled electro-hydraulic servo hydraulic system of hydraulic machine | |
| CN101865190A (en) | Position and flow double-close-loop direct-drive volume control electro-hydraulic servo system | |
| CN103670801A (en) | Multi-redundancy pump control servo mechanism for thrust vector control of liquid oxygen kerosene engine | |
| CN105020458A (en) | Electro hydraulic actuator for butterfly valve | |
| CN201396344Y (en) | Digital electro-hydraulic isochronous control system | |
| CN105952946A (en) | Two-motor gear-pump-control electro-hydraulic linkage actuating control system | |
| CN203114764U (en) | Load-sensitive electro-hydraulic proportional multi-way valve | |
| CN111550458B (en) | Steam turbine pump cylinder control servo system and control method thereof | |
| CN204041583U (en) | A kind of servo-closed type hydraulic differential device | |
| CN102628520B (en) | Miniature electrical liquid controller without tank | |
| CN201972993U (en) | Novel mechanical electric and hydraulic integral large-torque actuator | |
| CN102155463A (en) | Novel electromechanical and hydraulic integrated large-torque executor | |
| CN112081785B (en) | Fracturing unit truck engine starts valve block and starts hydraulic system | |
| CN202418077U (en) | Motor-driven servo valve | |
| CN210266110U (en) | Valve actuating mechanism based on electro-hydraulic servo direct-drive type | |
| CN201043546Y (en) | Electric-pneumatic valve locator | |
| CN203548387U (en) | High-power direct drive type differential volume control electrohydraulic servo system | |
| WO2021114668A1 (en) | Open hydraulic pump and open hydraulic system | |
| CN203488486U (en) | Electronic-hydraulic system of self-propelled turning machine | |
| CN218625648U (en) | Electro-hydraulic single-action driving device | |
| CN102213114A (en) | Servo controller of turbine | |
| CN202597325U (en) | Direct drive electro-hydraulic servo actuator | |
| CN202040147U (en) | Pneumatic-hydraulic actuator | |
| CN101806317A (en) | Synergic control method and performer device for intelligent pump valve of biped robot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20190324 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |