CN208169663U - A kind of underwater valve actuator - Google Patents
A kind of underwater valve actuator Download PDFInfo
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- CN208169663U CN208169663U CN201820630673.9U CN201820630673U CN208169663U CN 208169663 U CN208169663 U CN 208169663U CN 201820630673 U CN201820630673 U CN 201820630673U CN 208169663 U CN208169663 U CN 208169663U
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Abstract
The utility model belongs to executing agency field, in particular to a kind of underwater valve actuator, the underwater valve actuator includes inner gear assembly and planetary driving device, the inner gear assembly includes gear shaft and upper internal gear, the planetary driving device includes sun gear, planetary gear, lower internal gear and planet carrier, the gear shaft is engaged with upper internal gear, the upper internal gear delivers torque to the sun gear by shaft coupling, the sun gear is engaged with the planetary gear, the planetary gear is engaged with the lower internal gear, the planetary gear drives planet carrier that output torque is passed to valve.The utility model provides the underwater valve actuator of underwater valve actuator that a kind of transmission efficiency is high, rated output torque is big.
Description
Technical field
The utility model belongs to executing agency field, in particular to a kind of underwater valve actuator.
Background technique
Sea cock and valve (Subsea valve) refers to applied to the valvular general designation of institute on submarine pipeline.Sea cock and valve at present
Door under water the main pooled applications of pipeline on the subsea manifold and conveyance conduit of marine oil and gas engineering.While underwater valve is also
There is certain application on benthoscope.Sub-sea valve is based on ball valve, flat gate valve, check-valves at present, mode of operation master
It will be using surging, ROV is operated, manual operation (shallow water).Surging, operation control is complicated, and potential leak point is more, investment cost
It is high.ROV operation is divided into top dress and side fills two kinds, carries the affected valve opening of torque tool and closing by ROV.Advantage is valve
The simple expense of structure is low, can save the expense of projects construction period.
Existing existing seabed valve actuating mechanism is mostly common executing agency's repacking, and as common single twin-stage worm gear passes
Efficiency of movement is low, and installation site is big.The underwater executing agency requires load capacity up to 50,000 Nm, and working environment is that 500 meters of seabed makes
With life requirements 25 years.It is limited by underwater operation tool, underwater executing agency's input torque must meet ISO13628-8CLASS.4
Input torque is the requirement of 2711Nm.This requires executing agency need have, suitable transmission ratio, high transmission efficiency and
Be suitble to underwater operation structure and.The product not being suitble in the domestic market is available, the underwater executing agency of exploitation.It is existing
Seabed valve actuating mechanism be mostly the repacking of common executing agency, as common single twin-stage Worm Wheel System, transmission efficiency
Low, installation site is big, and serious wear service life is short in Worm Wheel System operation.
It is currently, there are following research and development difficult point：First：It is required that the service life 25 years；Second：Working environment is underwater 500 meters therefore produces
Product are subjected to 5Mpa external pressure；Third：It is limited by underwater operation tool, underwater executing agency's input torque must meet ISO13628-
8CLASS.4 input torque is the requirement of 2711Nm；4th：The big requirement of output torque reaches 50,000 Nm.
Therefore, these problems are based on, the underwater valve actuator that a kind of transmission efficiency is high, rated output torque is big is provided
Underwater valve actuator has important practical significance.
Utility model content
The utility model is to solve technical problem present in well-known technique and provide that a kind of transmission efficiency is high, rated output
The big underwater valve actuator of underwater valve actuator of torque.
The utility model is adopted the technical scheme that solve technical problem present in well-known technique：
A kind of underwater valve actuator, the underwater valve actuator includes inner gear assembly and Gear Planet Transmission
Device, the inner gear assembly include gear shaft and upper internal gear, and the planetary driving device includes sun gear, planet
Wheel, lower internal gear and planet carrier, the gear shaft are engaged with upper internal gear, and the upper internal gear is transmitted torque by shaft coupling
To the sun gear, the sun gear is engaged with the planetary gear, and the planetary gear is engaged with the lower internal gear, the planet
Wheel drives planet carrier that output torque is passed to valve.
The utility model can also use following technical scheme：
In above-mentioned underwater valve actuator, further, the inner gear assembly and planetary driving device
It is installed in actuator shell, the inside of the actuator shell is filled with lubricating oil.
In above-mentioned underwater valve actuator, further, the actuator shell is built-in with pressure compensation balance dress
It sets.
In above-mentioned underwater valve actuator, further, the pressure compensation balancing device includes snap ring, balance
Cylinder, dummy piston, spring, actuator shell, locknut and head protector, the head protector are installed in actuator shell one by locknut
Side, the compensating cylinder with cavity are installed in the actuator shell other side, and the cavity is communicated with the head protector, the bullet
Spring is arranged in the cavity, and the end of the spring resists the dummy piston, the snap ring to the dummy piston into
Row limit, moves the dummy piston in the cavity.
In above-mentioned underwater valve actuator, further, the dummy piston periphery is provided with two annular grooves, and one
Sealing ring is installed in annular groove described in item, is equipped with ball in another annular groove.
In above-mentioned underwater valve actuator, further, the actuator shell is cylinder.
In above-mentioned underwater valve actuator, further, the actuator shell includes upper cover, upper housing and lower casing
Body is fixed between the upper cover, upper housing and lower case by bolt, and the inner gear assembly is installed in upper casing
In vivo, the planetary driving device is installed in lower case.
In above-mentioned underwater valve actuator, further, the underwater valve actuator further includes indicator,
The indicator is connected by connecting rod with planet carrier, and when planet carrier rotation, the connecting rod drives the indicator
Rotation.
In above-mentioned underwater valve actuator, further, the shaft coupling passes through spline and the upper internal gear
It is connected with the sun gear, the planet carrier is connect by spline with the valve.
The utility model has the advantages and positive effects of：
1, the utility model has the advantages that transmission efficiency is high, rated output torque is big, and transmission efficiency height is up to 80%, volume
Determine output torque>5 Wan Niu meter.
2, the whole system of the utility model executing agency is immersed in gear oil, to improve transmission efficiency, avoids seawater
Intrusion generates corrosion to part.
3, lubricating oil is full of inside the whole system of the utility model executing agency, built-in pressure compensation balancing device is flat
The inside and outside differential pressure of weighing apparatus actuator shell, keeps pressure in shell identical as shell external pressure；It is mostly external relative to current existing product
The built-in pressure compensation balancing device protective performance of pressure compensator, this product is more preferable.
4, spring in the utility model pressure compensation balancing device generates medium in actuator shell to the positive differential pressure of seawater,
To prevent seawater from entering executing agency, sealing performance is improved.
5, the utility model carries out coating protection, and cylindrical rule moulding is conducive to coating protection, can apply more evenly,
To more preferably resist the erosion of marine growth.
6, the utility model upper housing and the design sealing surface of lower case are circle, can by simplest O-ring
It is reliably sealed between upper housing and lower case with realizing.
7, the underwater valve actuator of the utility model has indicator, is able to satisfy universal sea cock and valve and uses, pushes away in use
Wide aspect has very big prospect.
Detailed description of the invention
The technical solution of the utility model is described in further detail below with reference to drawings and examples, still
It should be known that these attached drawings are designed for task of explanation, therefore not as the restriction of the scope of the utility model.In addition,
Unless otherwise indicated, these attached drawings are meant only to conceptually illustrate structure construction described herein, without to carry out to scale
It draws.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model pressure compensation balancing device；
Fig. 3 is the scheme of installation of the utility model；
Fig. 4 is the principles of the present invention figure.
In figure：
1, lower case；2, planet carrier；3, lower internal gear；4, upper housing；5, planetary gear；6, sun gear；7, shaft coupling；8, on
Internal gear；9, gear shaft；10, upper cover；11, indicator；12, ROV interface；13, snap ring；14, compensating cylinder；15, dummy piston；
16, spring；17, locknut；18, head protector；19, pouring orifice；20, gas vent；31, the ROV for meeting ISO13628-8CLASS.4 is defeated
Enter；32, first order internal gear transmission；34, second level NGW Gear Planet Transmission；35, splined shaft exports.
Specific embodiment
Firstly, it is necessary to explanation, the underwater valve for illustrating the utility model by by way of example below is executed
Specific structure, features and advantages of mechanism etc., however what all descriptions were intended merely to be illustrated, and should not be construed as
Any restrictions are formed to the utility model.In addition, what is be described by or imply in each embodiment mentioned by this paper is any single
Technical characteristic, or shown or implicit any single technical characteristic in the drawings, still can these technical characteristics (or
Its equivalent) between continue any combination or delete, so that it is practical new to obtain the sheet that may do not referred to directly herein
More other embodiments of type.In addition, same or like technical characteristic in the same figure may be used for the sake of simplifying drawing
It can only be indicated at one.
It will be understood that when component ' attach ' to another component when it is said that, it can be directly connected to another component or
There may be intermediate members.On the contrary, when component " being directly connected to " being arrived another component when it is said that, then it represents that middle part is not present
Part.
Fig. 1 gives the structural schematic diagram of the utility model, and gives the utility model pressure compensation by Fig. 2 and put down
The structural schematic diagram of weighing apparatus device, and the scheme of installation of the utility model is given by Fig. 3, and give by Fig. 4
The principles of the present invention figure, below just illustrate the utility model in conjunction with Fig. 1 to Fig. 4.
For the utility model content, feature and effect that can further appreciate that the utility model, the following examples are hereby given, and
It is described in detail with the accompanying drawings as follows：
A kind of underwater valve actuator, the underwater valve actuator includes inner gear assembly and Gear Planet Transmission
Device, the inner gear assembly include gear shaft 9 and upper internal gear 8, and the planetary driving device includes sun gear 6, row
Star-wheel 5, lower internal gear 3 and planet carrier 2, the gear shaft 9 are engaged with upper internal gear 8, and the upper internal gear 8 passes through shaft coupling 7
The sun gear 6 is delivered torque to, the sun gear 6 is engaged with the planetary gear 5, the planetary gear 5 and the lower internal tooth
3 engagement of wheel, the planetary gear 5 drive planet carrier 2 that output torque is passed to valve.
The utility model has the advantages that transmission efficiency is high, rated output torque is big, and transmission efficiency height is specified up to 80%
Output torque>5 Wan Niu meter.
For further, it can also consider in the present invention, the inner gear assembly and Gear Planet Transmission dress
It sets and is installed in actuator shell, the inside of the actuator shell is filled with lubricating oil.
The whole system of the utility model executing agency is immersed in gear oil, to improve transmission efficiency, seawater is avoided to invade
Enter and corrosion is generated to part.Pouring orifice 19 and gas vent 20 are opened simultaneously, is filled by observation liquid level guarantee.
It should be pointed out that the actuator shell is built-in with pressure compensation balancing device.
Lubricating oil, built-in pressure compensation balancing device balance are full of inside the whole system of the utility model executing agency
The inside and outside differential pressure of actuator shell keeps pressure in shell identical as shell external pressure；It is mostly external pressure relative to current existing product
The built-in pressure compensation balancing device protective performance of force compensating device, this product is more preferable.
It should be pointed out that the pressure compensation balancing device includes snap ring 13, compensating cylinder 14, dummy piston 15, spring
16, actuator shell, locknut 17 and head protector 18, the head protector 18 are installed in actuator shell side by locknut 17, have
The compensating cylinder 14 of cavity is installed in the actuator shell other side, and the cavity is communicated with the head protector 18, the spring
16 are arranged in the cavity, and the end of the spring 16 resists the dummy piston 15, and the snap ring 13 is to the balance
Piston 15 is limited, and moves the dummy piston 15 in the cavity.
Spring 16 in the utility model pressure compensation balancing device generates medium in actuator shell to the positive differential pressure of seawater,
To prevent seawater from entering executing agency, sealing performance is improved.
It should be pointed out that 15 periphery of dummy piston is provided with two annular grooves, it is equipped in an annular groove
Sealing ring, another annular groove is interior to be equipped with ball.
For further, it can also consider in the present invention, the actuator shell is cylinder.
The utility model carries out coating protection, and cylindrical rule moulding is conducive to coating protection, can apply more evenly, from
And more preferably resist the erosion of marine growth.
The utility model upper housing 4 and the design sealing surface of lower case 1 are circle, can by simplest O-ring
It is reliably sealed between upper housing 4 and lower case 1 with realizing.
It should be pointed out that the actuator shell includes upper cover 10, upper housing 4 and lower case 1, the upper cover 10, upper casing
It is fixed between body 4 and lower case 1 by bolt, the inner gear assembly is installed in upper housing 4, the planet
Transmission device is installed in lower case 1.
For further, it can also consider in the present invention, the underwater valve actuator further includes instruction
Device 11, the indicator 11 are connected by connecting rod with planet carrier 2, and when the planet carrier 2 rotation, the connecting rod drives institute
State the rotation of indicator 11.
The underwater valve actuator of the utility model has indicator 11, is able to satisfy universal sea cock and valve and uses, pushes away in use
Wide aspect has very big prospect.
For further, it can also consider in the present invention, the shaft coupling 7 passes through spline and the upper internal tooth
Wheel 8 and the sun gear 6 connect, and the planet carrier 2 is connect by spline with the valve.
As an example, in the present embodiment, the present embodiment is operated by ROV.When work, underwater robot connection ROV is connect
Mouth 12, input power to gear shaft 9, gear shaft 9 is engaged with upper internal gear 8, and torque is transferred to upper internal gear 8 from gear shaft 9, on
Internal gear 8 delivers torque to shaft coupling 7 by spline, and shaft coupling 7 delivers torque to sun gear 6 by spline connection, too
Rotary motion is transferred to planetary gear 5 by sun wheel 6, and planetary gear 5 rotates on lower internal gear 3, while driving planet carrier 2, by power
It is exported by planet carrier 2, is connected by spline and output torque is passed into valve.The present embodiment is by level-one internal gear transmission and level-one
NGW Gear Planet Transmission composition, transmission efficiency height is up to 80%, and general Worm Wheel System, and efficiency is generally not more than 40%, specified
Output torque>5 Wan Niu meter, as shown in table one and table two.
Table one：The transmission ratio of the present embodiment
Table two：The torque of the present embodiment
As an example, in the present embodiment, it since the present embodiment will be 25 years in undersea continuous work, can not be safeguarded,
Product is most important to seawater corrosion and to the resistivity of marine organisms erosion.The present embodiment is improved as follows：
1) cylindrical regular moulding, is circle using the design sealing surface of upper and lower casing 1, passes through simplest O-ring
It can realize reliable sealing.
2) product carries out coating protection, and cylindrical rule moulding is conducive to coating protection, the more preferable erosion for resisting marine growth.
3) it is full of lubricating oil inside pressure compensation balancing device built in, balances executing agency's shell inside and outside differential pressure, presses simultaneously
Force compensating device inner spring 16 generates shell in-vivo medium and prevents seawater from entering executing agency the positive differential pressure of seawater, improves leakproofness
Energy.
It is executed in conclusion the utility model can provide the underwater valve that a kind of transmission efficiency is high, rated output torque is big
The underwater valve actuator of mechanism.
The utility model is described in detail in above embodiments, but the content is only the preferable reality of the utility model
Example is applied, should not be considered as limiting the scope of the present invention.Equalization made according to the scope of application of this utility model
Variation and improvement etc., should still belong within the patent covering scope of the utility model.
Claims (9)
1. a kind of underwater valve actuator, it is characterised in that：The underwater valve actuator includes inner gear assembly
And planetary driving device, the inner gear assembly include gear shaft and upper internal gear, the planetary driving device includes too
Positive wheel, planetary gear, lower internal gear and planet carrier, the gear shaft are engaged with upper internal gear, and the upper internal gear passes through shaft coupling
The sun gear is delivered torque to, the sun gear is engaged with the planetary gear, and the planetary gear is nibbled with the lower internal gear
It closes, the planetary gear drives planet carrier that output torque is passed to valve.
2. underwater valve actuator according to claim 1, it is characterised in that：The inner gear assembly and planet
Transmission device is installed in actuator shell, and the inside of the actuator shell is filled with lubricating oil.
3. underwater valve actuator according to claim 2, it is characterised in that：The actuator shell is built-in with pressure benefit
Repay balancing device.
4. underwater valve actuator according to claim 3, it is characterised in that：The pressure compensation balancing device includes
Snap ring, compensating cylinder, dummy piston, spring, actuator shell, locknut and head protector, the head protector is installed in by locknut to be held
Row device shell side, the compensating cylinder with cavity are installed in the actuator shell other side, the cavity and the head protector phase
Logical, the spring is arranged in the cavity, and the end of the spring resists the dummy piston, and the snap ring is to described flat
Weighing apparatus piston is limited, and moves the dummy piston in the cavity.
5. underwater valve actuator according to claim 4, it is characterised in that：The dummy piston periphery is provided with two
Annular groove is equipped with sealing ring in one annular groove, is equipped with ball in another annular groove.
6. underwater valve actuator according to claim 1, it is characterised in that：The actuator shell is cylinder.
7. underwater valve actuator according to claim 6, it is characterised in that：The actuator shell include upper cover, on
Shell and lower case are fixed between the upper cover, upper housing and lower case by bolt, the inner gear assembly quilt
It is mounted in upper housing, the planetary driving device is installed in lower case.
8. underwater valve actuator according to claim 1, it is characterised in that：The underwater valve actuator also wraps
Indicator is included, the indicator is connected by connecting rod with planet carrier, and when planet carrier rotation, the connecting rod drives institute
State indicator rotation.
9. underwater valve actuator according to claim 1, it is characterised in that：The shaft coupling by spline with it is described
Upper internal gear is connected with the sun gear, and the planet carrier is connect by spline with the valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820630673.9U CN208169663U (en) | 2018-04-28 | 2018-04-28 | A kind of underwater valve actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820630673.9U CN208169663U (en) | 2018-04-28 | 2018-04-28 | A kind of underwater valve actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208169663U true CN208169663U (en) | 2018-11-30 |
Family
ID=64368672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820630673.9U Active CN208169663U (en) | 2018-04-28 | 2018-04-28 | A kind of underwater valve actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208169663U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443566A (en) * | 2018-04-28 | 2018-08-24 | 天津祥嘉流体控制系统有限公司 | A kind of underwater valve actuator |
| CN113028070A (en) * | 2019-12-25 | 2021-06-25 | 爱烙达股份有限公司 | Pressure display valve and gas tool equipped with same |
-
2018
- 2018-04-28 CN CN201820630673.9U patent/CN208169663U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443566A (en) * | 2018-04-28 | 2018-08-24 | 天津祥嘉流体控制系统有限公司 | A kind of underwater valve actuator |
| CN113028070A (en) * | 2019-12-25 | 2021-06-25 | 爱烙达股份有限公司 | Pressure display valve and gas tool equipped with same |
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