CN202276234U - Submersible electric actuator - Google Patents
Submersible electric actuator Download PDFInfo
- Publication number
- CN202276234U CN202276234U CN2011204239174U CN201120423917U CN202276234U CN 202276234 U CN202276234 U CN 202276234U CN 2011204239174 U CN2011204239174 U CN 2011204239174U CN 201120423917 U CN201120423917 U CN 201120423917U CN 202276234 U CN202276234 U CN 202276234U
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- decelerator
- sealing device
- execution architecture
- electronic execution
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Abstract
The utility model discloses a submersible electric actuator which comprises a first speed reducer, a second speed reducer, a submersible motor, a variable-frequency transformer, a pressure balance device, a mechanical positioning device and a sealing device, wherein the output shaft of the submersible motor is connected with the first speed reducer; the output shaft of the first speed reducer is connected with the second speed reducer; the variable-frequency transformer is connected with the final output shaft of the second speed reducer; the pressure balance device is arranged on the first speed reducer or second speed reducer; the mechanical positioning device is arranged in the output position of the second speed reducer; and the sealing device is installed on the output shaft of the second speed reducer. The submersible electric actuator disclosed by the utility model can effectively ensure deepwater and variable-water-depth operation.
Description
Technical field
The utility model relates to a kind of submerged type electric operator, is specifically related to a kind of electric operator that can be used for deep water and the operation of the change depth of water.
Background technology
Electric operator is claimed YE again, has all obtained using widely in a lot of places such as generating, water supply.Raising along with the expanded range and the awareness of safety of activity in production all needs safe and reliable submerged type actuator in some mines, the deep-sea.Present existing submerged type actuator can only and can not work long hours in the phytal zone, does not therefore also have at present diving property actuator truly.In Coal Production, if the colliery water inlet takes place, this moment, general submerged type actuator just can't satisfy instructions for use.Simultaneously, in the deep-sea, use, actuator need satisfy bigger hydraulic pressure requirement.Therefore, present existing submerged type actuator can't satisfy the requirement of safe and reliable operation in the places such as mine or deep-sea.
Summary of the invention
The purpose of the utility model is the defective that exists in the prior art in order to solve, and a kind of deep water and submerged type electric operator that becomes depth of water operation of being used for is provided.
In order to achieve the above object, the utility model provides a kind of submerged type electric operator, comprises first decelerator, second decelerator, submersible motor, variable-frequency transformer, pressure equaliser, mechanical positioner and sealing device; The submersible motor output shaft links to each other with first decelerator, and the output shaft of first decelerator links to each other with second decelerator; Variable-frequency transformer links to each other with the terminal output shaft of second decelerator; Pressure equaliser is located on first decelerator or second decelerator; Mechanical positioner is located at the outgoing position of second decelerator; Said sealing device is installed on the output shaft of second decelerator.
Further improvement to the utility model is: second decelerator adopts worm type of reduction gearing.Variable-frequency transformer adopts the knob variable-frequency transformer.Pressure equaliser is the distortion bellows.Mechanical positioner comprises screw bolt and nut, and mechanical positioner is connected with second decelerator through bolt, and fixes through nut.
Sealing device adopts end face seal, packing_seal or both modes to combine.When adopting end face seal, sealing device comprises end cover, elastic sealed body, rigid seal body; End cover is provided with circular groove, and elastic sealed body is located in the circular groove, and the rigid seal body is located at the elastic sealed body upper end; End cover is provided with bolt connecting hole, and sealing device links to each other with second reduction case with bolt connecting hole through bolt.The circular groove bottom is provided with pressure compensation opening.When adopting packing_seal, add O type circle or outside framework oil seal.Packing is positioned at second reduction case outside, and it is inboard that O type circle or outside framework oil seal are positioned at second reduction case.
The utility model is compared prior art and had the following advantages: decelerator adopts the secondary transmission, and cavity relates to and consider the fluid dynamics characteristic, reduces the fluid agitation loss as far as possible.On to external seal, adopt double sealing structure, first road sealing is adopted end face seal or is combined packing to be sealed into the sand prevention sealing, and second road is sealed in and adds O type circle on the basis of packing_seal and outside framework oil seal is liquid seal.Second decelerator adopts worm type of reduction gearing, can effectively guarantee the position self-locking.But adopt distortion bellows balance inside and outside differential pressure.Adopt the utility model YE can effectively guarantee deep water and the operation of the change depth of water.
Description of drawings
Fig. 1 is the structural representation of the utility model submerged type electric operator.
Fig. 2 is the structural representation of mechanical positioner and the second decelerator junction among Fig. 1.
Fig. 3 is the partial enlarged drawing of sealing device among Fig. 2.
Among the figure, 1-first decelerator, 2-submersible motor, 3-variable-frequency transformer; The 4-pressure equaliser, 5-second decelerator, 6-mechanical positioner, 7-sealing device; The 8-end cover, 9-elastic sealed body, 10-rigid seal body, the hollow worm gear of 11-; 12-second reduction case, 13-pressure compensation opening, 14-bolt connecting hole.
Embodiment
Below in conjunction with accompanying drawing the utility model submerged type electric operator is elaborated.
As depicted in figs. 1 and 2, the utility model submerged type electric operator comprises first decelerator 1, submersible motor 2, variable-frequency transformer 3, pressure equaliser 4, second decelerator 5, mechanical positioner 6 and sealing device 7.Wherein submersible motor 2 is used for driving 1 running of first decelerator, makes the decelerator 1 of winning drive second decelerator, 5 output torques.Variable-frequency transformer 3 is connected with the terminal output shaft of second decelerator 5, the feedback outgoing position.Pressure equaliser 4 can be the distortion bellows, and bellows is outside equipped with protective device. and when inside and outside differential pressure, realize inside and outside differential pressure through the bellows distortion, external protector prevents that solid particle from damaging the deformability bellows.Thereby mechanical positioner 6 is through the outgoing position delivery stroke of restriction second decelerator 5.
Submersible motor 2 is installed on first decelerator 1, and first decelerator 1 is installed on second decelerator 5, and as final output, the terminal outgoing position can be realized by variable-frequency transformer 3 by second decelerator 5.In order to guarantee the position self-locking, second decelerator 5 can adopt worm type of reduction gearing.In order to guarantee internal and external pressure balance, can be on the deceleration device correct position setting pressure bascule 4, guarantee that pressure equaliser 4 communicates with the cavity of first decelerator 1 or second decelerator 5 and can reach the purpose of equalizing pressure.Mechanical positioner 6 comprises screw bolt and nut, rationally screws in bolt length and locked with nut, can directly carry out spacing to worm gear the screw thread pair sealing.
Sealing device 7 is installed on the output shaft end face of second decelerator 5; Adopt the end face seal mode, comprise end cover 8, elastic sealed body 9 and rigid seal body 10, wherein end cover 8 is provided with circular groove (figure does not show); Channel bottom is provided with pressure compensation opening 13; This pressure compensation opening 13 is used for and extraneous formation pressure balance, guarantees elastic sealed body 9 Free Transforms, thereby guarantees that elastic sealed body 9 distortion are not influenced by rotational pressure.Elastic sealed body 9 is processed for elastic material, and this elastic sealed body 9 channel bottom of packing into is equipped with rigid seal body 10 on it, and wherein rigid seal body 10 can be metal material.Rigid seal body 10 its sealing surface under free state should be higher than the flange joint face of end cover 8, and being installed on the pump seal with assurance sealing device 7 has suitable pretightning force between the sealing surface contact of back.
Wherein, the sealing of 7 pairs of sand of sealing device can be played fine effect, for the reliability that guarantees to seal, can add packing_seal sand is carried out strict seal.For guaranteeing liquid seal, can when packing_seal, add O type circle or outside framework oil seal etc. have good seal performance to liquid sealing device simultaneously.Have the elastomer seal body 9 of packing into successively in the end cover 8 of annular groove and form assemblies (figure does not show) with rigid seal body 10.Offer bolt connecting hole 14 on the end cover 8, assembly uses bolt to be connected on second reduction case 12 through bolt connecting hole 14 and forms static seal.Rigid seal body 10 is adjacent to hollow worm gear 11 under the elastic force effect of elastic sealed body 9, being isolated from the outside by elastic sealed body 9 and rigid seal body 10 forms sealing.
Be full of water in the cavity before this electric operator is carried out, power is provided by the water-filling motor.Export by the terminal through double reduction gear deceleration back.Press in the cavity with extraneous pressure balance and realize through pressure equaliser.All all take strict seal with extraneous rotating part and the coupling part that communicates, to guarantee inside and outside no solid-liquid exchange.This YE can move under the different depth of waters, satisfies the requirement in safe and reliable operations in place such as mine and deep-seas.
Overall plan adopts the design of water-filling type; Decelerator adopts double reduction; The delivery stroke feedback does not adopt the method in strict seal space; For guaranteeing its fail safe, need satisfy the functional requirement that in water, can normally use, variable-frequency transformer 3 can adopt the orthoscopic variable-frequency transformer of knob variable-frequency transformer or additional screw mechanism.The variable-frequency transformer current-carrying part adopts strict waterproof measure, for example can adopt the submersible motor means of defence, and variable-frequency transformer can be high pressure resistant, has the anti-triaxial pressure characteristic different with chip, can not collapse because of three excessive pressure.
Claims (9)
1. the electronic execution architecture of submerged type is characterized in that: comprise first decelerator, second decelerator, submersible motor, variable-frequency transformer, pressure equaliser, mechanical positioner and sealing device; Said submersible motor output shaft links to each other with said first decelerator, and the output shaft of first decelerator links to each other with said second decelerator; Said variable-frequency transformer links to each other with the terminal output shaft of second decelerator; Said pressure equaliser is located on first decelerator or second decelerator; Said mechanical positioner is located at the outgoing position of second decelerator; Said sealing device is installed on the output shaft of second decelerator.
2. the electronic execution architecture of submerged type according to claim 1 is characterized in that: said second decelerator adopts worm type of reduction gearing.
3. the electronic execution architecture of submerged type according to claim 1 is characterized in that: said variable-frequency transformer adopts the knob variable-frequency transformer.
4. the electronic execution architecture of submerged type according to claim 1 is characterized in that: said pressure equaliser is the distortion bellows.
5. the electronic execution architecture of submerged type according to claim 1, it is characterized in that: said mechanical positioner comprises screw bolt and nut; Said mechanical positioner is connected with second decelerator through bolt, and fixes through nut.
6. the electronic execution architecture of submerged type according to claim 6 is characterized in that: said sealing device comprises end cover, elastic sealed body, rigid seal body; Said end cover is provided with circular groove, and said elastic sealed body is located in the circular groove, and the rigid seal body is located at the elastic sealed body upper end; Said end cover is provided with bolt connecting hole, and said sealing device links to each other with second reduction case with bolt connecting hole through bolt.
7. the electronic execution architecture of submerged type according to claim 7 is characterized in that: said circular groove bottom is provided with pressure compensation opening.
8. the electronic execution architecture of submerged type according to claim 6, it is characterized in that: said sealing device also comprises packing, said packing is positioned at second reduction case outside.
9. the electronic execution architecture of submerged type according to claim 8, it is characterized in that: said sealing device also comprises O type circle or outside framework oil seal, it is inboard that said O type circle or outside framework oil seal are positioned at second reduction case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204239174U CN202276234U (en) | 2011-11-01 | 2011-11-01 | Submersible electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204239174U CN202276234U (en) | 2011-11-01 | 2011-11-01 | Submersible electric actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202276234U true CN202276234U (en) | 2012-06-13 |
Family
ID=46196571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204239174U Withdrawn - After Issue CN202276234U (en) | 2011-11-01 | 2011-11-01 | Submersible electric actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202276234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361367A (en) * | 2011-11-01 | 2012-02-22 | 南京科远控制工程有限公司 | Submerged type electric actuating mechanism |
-
2011
- 2011-11-01 CN CN2011204239174U patent/CN202276234U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361367A (en) * | 2011-11-01 | 2012-02-22 | 南京科远控制工程有限公司 | Submerged type electric actuating mechanism |
| CN102361367B (en) * | 2011-11-01 | 2013-04-24 | 南京科远控制工程有限公司 | Submerged type electric actuating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120613 Effective date of abandoning: 20130424 |
|
| RGAV | Abandon patent right to avoid regrant |