CN2685600Y - Speed regulator mechanical hydraulic apparatus utilizing double-redundant electric/mechanical conventer - Google Patents
Speed regulator mechanical hydraulic apparatus utilizing double-redundant electric/mechanical conventer Download PDFInfo
- Publication number
- CN2685600Y CN2685600Y CNU032375212U CN03237521U CN2685600Y CN 2685600 Y CN2685600 Y CN 2685600Y CN U032375212 U CNU032375212 U CN U032375212U CN 03237521 U CN03237521 U CN 03237521U CN 2685600 Y CN2685600 Y CN 2685600Y
- Authority
- CN
- China
- Prior art keywords
- electricity
- main control
- control valve
- stroke
- speed regulator
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model discloses a speed regulator mechanical hydraulic apparatus utilizing a double-redundant electric/mechanical converter, comprising an electric/mechanical converter, a main control valve and a servomotor. The output bar of the electrical/mechanical converter is provided with a compression spring which provides the output bar a downward force. The lower part of the input block connected with a pilot valve plunger on the main control valve is provided with a compression spring, which makes the input block of the main control valve always have an upward force. The electrical/mechanical converter and the main control valve are connected through a stroke amplifying bar. Two identical electrical/mechanical converters (13A) and (13B), and two stroke amplifying bars (5-a) and (5-B) are adopted; two identical electrical/mechanical converters are symmetrically arranged on the main control valve, and the output ends of the two mutually restricted stroke amplifying bars act on the input block (4) of the main control valve through a mechanical synchronization mechanism 7.
Description
Technical field
The utility model relates to a kind of speed regulator mechanical hydraulic unit that adopts two redundant electricity/machine transducer, especially for the speed regulator mechanical hydraulic unit in the water turbine microcomputer governing.
Background technique
Electricity in the water turbine microcomputer governing/machine conversion equipment is a vitals, plays a part transform electric is become mechanical displacement signal.It also is the highest parts of fault probability, and the research and the improvement of this device all attached great importance in countries in the world.Though worked out the higher electricity of many reliabilities/machine conversion equipment at present, for example, the circular spraying type electro-control converter, stepping electricity/machine changes device, no oil type electricity/machine conversion equipment.But,,, require to be provided with two cover electricity/machine conversion equipments standby each other (promptly two redundant electricity/machine conversion) from the consideration of operational reliability for the control of huge unit big as power station, the Yangtze River Gorges.To guarantee the higher reliability that has of hydrogovernor control.Therefore, some huge water power plants and in system crucial water power plant require in speed regulator, to adopt two redundant electricity/machine converter apparatus.Do not design two redundant electricity/machine conversion equipments at present both at home and abroad as yet.When constituting the electricity of two redundance types/machine conversion equipment with existing electricity/machine conversion equipment, its key technology be how to make two electricity/machine transducer when operation synchronously, do not produce impact during switching.
Summary of the invention
The purpose of this utility model is a technological scheme synchronous when propose solving two redundant electricity/machine converter apparatus operation, follow the tracks of synchronously mutually when it can guarantee two redundant electricity/machine conversion equipment operation, guarantee that unconditionally the output displacement of two redundant electricity/device that machine changes does not produce any impact or sudden change when running gear switches to stand-by provision.
The technical solution of the utility model: adopt the speed regulator mechanical hydraulic unit of two redundant electricity/machine transducer to comprise electricity/machine transducer, main control valve and servomotor, on the take-off lever of electricity/machine transducer compression spring is housed, this spring makes take-off lever that a downward power always be arranged, compression spring is installed in the input block lower end that links to each other with the pilot valve piston on the main control valve, make the main control valve input block always be subjected to a power that makes progress, amplifying bar by stroke between electricity/machine transducer and the main control valve is connected, adopt two same electricity/machine transducer 13A and 13B and two strokes to amplify bar 5-A and 5-B, two same electricity/machine transducers are placed on the main control valve symmetrically, and the output terminal of two stroke amplification bars acts on the input block 4 of main control valve by mechanical synchronization mechanism 7 constrained each otherly.
The mechanical hydraulic unit of described speed regulator, the outer end that its two stroke amplifies bar 5-A and 5-B is hinged with supporting base 10-A and 10-B respectively, the take-off lever 9-A of electricity/machine transducer and 9-B amplify on bar 5-A and the 5-B at stroke at difference roof pressure under the effect of spring force, the inner of two stroke amplification bars is in the directions X interfix, and is constrained each other by lazy-tongs in the Y direction.
The mechanical hydraulic unit of described speed regulator is equipped with roller with the contacting point of take-off lever 9-A and 9-B on stroke amplification bar 5-A and 5-B, rolling with take-off lever contacts.
The mechanical hydraulic unit of described speed regulator, stroke amplify the interfix of the inner of bar 5-A and 5-B to be arranged in the Z direction, is retrained by synchronous frame around the interleave place.
The mechanical hydraulic unit of described speed regulator, the inner interfix of stroke amplification rod member 5-A and 5-B is arranged in the Z direction,, wears a constraint axle in the slotted hole and makes stroke amplification bar 5-A and 5-B at Y direction synchronization constrain with opening a directions X slotted hole in interfix part Z direction.
The mechanical hydraulic unit of described speed regulator, roller is equipped with at the inner interleave place of stroke amplification rod member 5-A and 5-B, and rolling with synchronous frame contacts.
The mechanical hydraulic unit of described speed regulator, stroke are equipped with a roller in the middle of amplifying the inner interleave place constraint axle of rod member 5-A and 5-B, and rolling with input block on the main control valve contacts.
Advantage of the present utility model: solved the problem that requires to be provided with two cover electricity/machine conversion equipments standby each other (promptly two redundant electricity/machine conversion).Guaranteed the higher reliability that has of hydrogovernor control.Particularly some huge water power plants and in system crucial water power plant require in speed regulator, to adopt two redundant electricity/machine converter apparatus.Guaranteed two electricity/machine transducers when operation synchronously, do not produce impact during switching.
Description of drawings
Fig. 1 is the speed regulator mechanical hydraulic unit schematic diagram that has adopted two redundant electricity/machine transducer;
Fig. 2 is the structural representation that the output terminal mechanical synchronization mechanism of two strokes amplification bars adopts synchronous frame constraint;
Fig. 3 is the A-A cut-away view that the output terminal mechanical synchronization mechanism of two strokes amplification bars adopts synchronous frame;
Fig. 4 is the structural representation that two strokes amplify the output terminal mechanical synchronization mechanism employing synchronizing shaft constraint of bar;
Embodiment
As shown in Figure 1: the speed regulator mechanical hydraulic unit with two redundant electricity/machine transducer of the present utility model comprises servomotor 1, main control valve 2, two same electricity/machine transducer 13-A and 13-B.On the take-off lever of electricity/machine transducer compression spring 8-A and 8-B are housed, this spring always has a downward masterpiece to be used for take-off lever 9-A and 9-B, this spring makes take-off lever that a downward power always be arranged, compression spring 3 is installed in the lower end of the input block 4 that links to each other with pilot valve piston 2-1 on the main control valve 2, make input block always be subjected to a power that makes progress, two same electricity/machine transducer 13-A and 13-B are installed on the supporting plate 12 symmetrically.Amplifying bar by stroke between electricity/machine transducer and the main control valve is connected, adopt two same strokes to amplify bar 5-A and two symmetry placements of 5-B, the outer end that two strokes amplify bar 5-A and 5-B connects by axle 6-A, 6-B axle respectively and between supporting base 10-A and the 10-B, the take-off lever 9-A of electricity/machine transducer and 9-B amplify on bar 5-A and the 5-B at stroke at difference roof pressure under the effect of spring force, on stroke amplification bar 5-A and 5-B, roller 11-A and 11-B are housed, make take-off lever and stroke amplify the bar rolling and contact with the contacting point of take-off lever 9-A and 9-B.Two strokes amplify the inner of bars in the directions X interfix, in the Y direction by lazy-tongs 7 on the input block 4 that is pressed in main control valve constrained each other.
Fig. 2, Fig. 3 are the structural representations that two strokes amplify the synchronous frame constraint of output terminal mechanical synchronization mechanism 7 employings of bar:
Lazy-tongs 7 comprise that the interfix part 7-A and the 7-B of stroke amplification bar 5-A and 5-B the inner are arranged side by side in the Z direction, and promptly the jaw 7-A of a side inserts between the plug 7-B of opposite side, and by synchronous frame 7-C constraint, 7-C is a square frame that the four sides impales around the interleave place.Roller 7-F is housed on the plug, and roller is arranged side by side, and does not link to each other.But all be positioned among the constraint frame 7-C.The roller of any rod member all can be with fortune constraint frame 7-C to move up and down, and retrains the roller that frame 7-C also can drive another root bar simultaneously and moves up and down, and has therefore guaranteed to be synchronized with the movement as the output of standby electricity/machine transducer.Constraint frame 7-C is fixed on the input block 4 of main control valve as shown in Figure 1, and the center line of its center line and pilot valve piston coincides.Compression spring 3 is installed in input block 4 lower ends, and its effect is two spring 8-A of balance electricity/machine transducer lower end and the active force of 8-B, guarantees that at two electricity/machine transducer this mechanical synchronization mechanism is in state of equilibrium under the situation without any ouput force.At this moment, the position of pilot valve piston 2-1 also is in meta, and main control valve also will be in meta, not to beginning to speak and closing the chamber and join oil.
Fig. 4 is the structural representation that two strokes amplify the output terminal mechanical synchronization mechanism employing synchronizing shaft constraint of bar:
Embodiment shown in Figure 4 and the difference of Fig. 2 only are that lazy-tongs 7 adopt two strokes of synchronizing shaft constraint to amplify the output terminal of bar.Interfix part 7-A and 7-B that stroke amplifies the inner of bar 5-A and 5-B are arranged side by side in the Z direction, promptly the jaw 7-A of a side inserts between the plug 7-B of opposite side, the Z of interleave place direction is with opening a directions X slotted hole 7-D, wear a constraint axle 7-E in the slotted hole, make stroke amplification bar 5-A and 5-B at Y direction synchronization constrain.And two bar the inners have level of freedom to move up and down within the specific limits in slotted hole because of the constraint axle.
The magnification ratio of stroke amplification bar is determined by electricity/machine conversion equipment delivery stroke and pilot valve stroke in this mechanism, the rigidity of spring 8-A and 8-B generally is identical, spring 8-A, the size of 8-B and 3 decrement, rigidity is guaranteeing under the effect that is provided with external force, and this system's output block 4 can make pilot valve be returned to the equilibrium position exactly to determine.
The core of the utility model technology is to have two electricity/machine transducer and main control valve, servomotor.Adopting two strokes to amplify bar is connected two same electricity/machine transducers on the main control valve by mechanical synchronization mechanism symmetrically, when an electricity/machine transducer motion, its stroke amplifies the pilot valve piston motion that bar drives main control valve, and the stroke of simultaneously standby electricity/machine transducer amplifies bar and also follows the tracks of the workpiece motion.To reach when starting standby electricity/machine transducer, do not have and impact.Therefore, two electricity of every employing/machine transducer amplifies bar by two strokes and mechanical synchronization mechanism will be connected on the main control valve symmetrically, all belongs to protection domain of the present utility model.
Claims (7)
1, a kind of speed regulator mechanical hydraulic unit that adopts two redundant electricity/machine transducer, comprise electricity/machine transducer, main control valve and servomotor, on the take-off lever of electricity/machine transducer compression spring is housed, this spring makes take-off lever that a downward power always be arranged, compression spring is installed in the input block lower end that links to each other with the pilot valve piston on the main control valve, make the main control valve input block always be subjected to a power that makes progress, amplifying bar by stroke between electricity/machine transducer and the main control valve is connected, it is characterized in that adopting two same electricity/machine transducer (13A) and (13B) and two strokes amplify bar (5-A) and (5-B), two same electricity/machine transducers are placed on the main control valve symmetrically, and the output terminal of two stroke amplification bars acts on the input block (4) of main control valve by mechanical synchronization mechanism (7) constrained each otherly.
2, the speed regulator mechanical hydraulic unit of the two redundant electricity of employing according to claim 1/machine transducer, it is characterized in that two strokes amplify bar (5-A) and outer end (5-B) is hinged with supporting base (10-A) with (10-B) respectively, the take-off lever (9-A) of electricity/machine transducer and (9-B) under the effect of spring force respectively roof pressure stroke amplify bar (5-A) and (5-B) on, the inner of two stroke amplification bars is in the directions X interfix, and is constrained each other by lazy-tongs in the Y direction.
3, speed regulator mechanical hydraulic unit according to claim 1 and 2 is characterized in that amplifying bar (5-A) and (5-B) going up and roller is equipped with in take-off lever (9-A) and contacting point (9-B) at stroke, contacts with the take-off lever rolling.
4, the speed regulator mechanical hydraulic unit of the two redundant electricity of employing according to claim 1 and 2/machine transducer is characterized in that the interfix of stroke amplification bar (5-A) and the inner (5-B) is arranged in the Z direction, is retrained by synchronous frame around the interleave place.
5, the speed regulator mechanical hydraulic unit of the two redundant electricity of employing according to claim 1 and 2/machine transducer, it is characterized in that stroke amplifies rod member (5-A) and inner interfix (5-B) is arranged in the Z direction,, wear a constraint axle in the slotted hole and make stroke amplify bar (5-A) and with opening a directions X slotted hole in interfix part Z direction (5-B) at Y direction synchronization constrain.
6, the speed regulator mechanical hydraulic unit of the two redundant electricity of employing according to claim 4/machine transducer is characterized in that stroke amplifies rod member (5-A) and roller is equipped with at inner interleave place (5-B), and rolling with synchronous frame contacts.
7, the speed regulator mechanical hydraulic unit of the two redundant electricity of employing according to claim 5/machine transducer, it is characterized in that stroke is equipped with a roller in the middle of amplifying rod member (5-A) and the constraint of inner interleave place (5-B) axle, contact with input block rolling on the main control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032375212U CN2685600Y (en) | 2003-09-29 | 2003-09-29 | Speed regulator mechanical hydraulic apparatus utilizing double-redundant electric/mechanical conventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032375212U CN2685600Y (en) | 2003-09-29 | 2003-09-29 | Speed regulator mechanical hydraulic apparatus utilizing double-redundant electric/mechanical conventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2685600Y true CN2685600Y (en) | 2005-03-16 |
Family
ID=34660998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032375212U Expired - Fee Related CN2685600Y (en) | 2003-09-29 | 2003-09-29 | Speed regulator mechanical hydraulic apparatus utilizing double-redundant electric/mechanical conventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2685600Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740790A (en) * | 2017-10-13 | 2018-02-27 | 华南理工大学 | A kind of hydraulic valve |
-
2003
- 2003-09-29 CN CNU032375212U patent/CN2685600Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740790A (en) * | 2017-10-13 | 2018-02-27 | 华南理工大学 | A kind of hydraulic valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201092120Y (en) | Crank-connecting rod and punch press main drive unit with multi-rod drive structure | |
| CN104494647B (en) | A kind of electrohydraulic point machine | |
| CN100469480C (en) | High speed punch cutting device and its control method | |
| CN102514217B (en) | Twelve-servo motor input parallel driving multi-connecting-rod mechanical press machine | |
| CN200961598Y (en) | Parallel type electrohydraulic pusher | |
| CN2685600Y (en) | Speed regulator mechanical hydraulic apparatus utilizing double-redundant electric/mechanical conventer | |
| CN104985848A (en) | Three-degree-of-freedom mechanical controllable pressure machine tool | |
| CN102328448B (en) | Multi-connecting-rod mechanical press driven by three parallel servo motor inputs | |
| CN102172760A (en) | Crank-input multilink press driven by four servo motors in parallel | |
| CN201804783U (en) | Three-phase interlock type sulfur hexafluoride porcelain pole circuit breaker | |
| CN101863131B (en) | Redundant driving main transmission device of mechanical servo numerical control turret punching machine | |
| CN201428620Y (en) | Digital display full adjustment axial-flow pump blade angel adjuster | |
| CN102412657B (en) | Mechanical coordination redundancy fault-tolerant drive device | |
| CN201372881Y (en) | Double-servo proportional valve redundancy electro-hydraulic follow up device | |
| CN201593475U (en) | Guide vane drive mechanism of mixed flow type water turbine and axial flow type water turbine | |
| CN202120810U (en) | 220kV three phase mechanical linkage sulfur hexafluoride breaker | |
| CN209925733U (en) | Automatic limiting mechanism of electric actuator | |
| CN204144081U (en) | A kind of overlapping transformational structure of neutral pole of new type auto transfer switching equipment | |
| CN201006716Y (en) | Double-action draw-bar mechanism of railway vehicle parking parking slide prevention device and device thereof | |
| CN2725562Y (en) | Biredundance electrohydraulic switching mechanism | |
| CN200961599Y (en) | In-line type electrohydraulic pusher | |
| CN2320789Y (en) | Steam valve regulating actuator for turbine | |
| CN1648444A (en) | Control head | |
| CN105291070B (en) | Self-locking type integrated lifting mechanism | |
| CN215731470U (en) | Three-phase mechanical linkage circuit breaker of hydraulic spring mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |