CN203880103U - Double-rotation drive rotary spraying device for aiding rising of marine drilling platform pile shoe - Google Patents
Double-rotation drive rotary spraying device for aiding rising of marine drilling platform pile shoe Download PDFInfo
- Publication number
- CN203880103U CN203880103U CN201420259050.7U CN201420259050U CN203880103U CN 203880103 U CN203880103 U CN 203880103U CN 201420259050 U CN201420259050 U CN 201420259050U CN 203880103 U CN203880103 U CN 203880103U
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- China
- Prior art keywords
- valve
- valve rod
- churning
- dish
- annular piston
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Abstract
The utility model provides a double-rotation drive rotary spraying device for aiding rising of a marine drilling platform pile shoe. The double-rotation drive rotary spraying device structurally comprises a shell, an annular piston, a valve element, a valve rod sleeve, a rotary spraying plate, an end cover and a reset spring. A valve cavity is formed in the middle of the shell. A connector tube is arranged at the upper end of the shell. The tube cavity of the connector tube is communicated with the valve cavity. The lower end of the valve cavity is provided with the end cover. A through hole is vertically formed in the center of the end cover. The annular piston is disposed in the middle of the valve cavity. The inner hole of the annular piston is connected with the upper end of the valve rod sleeve. The lower end of the valve rod sleeve is inserted into the central through hole of the end cover and slidably connected with the same. An annular groove is formed in the top edge of the valve element. A seal ring is embedded in the annular groove. The seal ring is connected with the valve opening at the lower end of the inner cavity of the connector tube to form a valve structure. A water inlet is formed in the middle of the valve element. A valve rod is connected to the lower portion of the valve element. The valve rod is inserted into the valve rod sleeve. A water channel is formed in the middle of the valve rod. The double-rotation drive rotary spraying device has the advantages that the valve element rotates automatically during spraying, point and linear spraying in the prior art is changed into rotary surface spraying, spraying area is increased, spraying effect is increased, wrapping and absorption of sludge to the pile shoe can be removed fast, pile shoe rising is accelerated, and working area transfer cycle of an oil platform is shortened.
Description
Technical field
The utility model relates to offshore drilling platforms technical field, and specifically a kind of marine drilling platform assisting in lifting pile shoe sprays flushing device by dual rotary.
Background technique
The water column direction of the spraying device spray drift ejection of prior art is fixed, thereby the action range that silt is rushed in spray becomes dotted line to distribute, and spray impulse face is long-pending little, cannot remove fast seabed silt to the absorption of shoe outer surface, can not reach best quick spray punching and help ascending effect.
Model utility content
Technical assignment of the present utility model is to solve the deficiencies in the prior art, provides a kind of marine drilling platform assisting in lifting pile shoe to spray flushing device by dual rotary.
The technical solution of the utility model realizes in the following manner, rotation jetting device of the present utility model, its structure comprises housing, annular piston, spool, valve stem casing, churning dish, end cap and Returnning spring, wherein, in the middle of housing, be provided with valve pocket, the upper end of housing is provided with mouthpiece, the tube chamber of mouthpiece is communicated with valve pocket, the lower end of valve pocket is provided with end cap, the central vertical of end cap has through hole, the centre of valve pocket is provided with annular piston, the endoporus of annular piston and valve stem casing upper end link together, the lower end of valve stem casing is slidably connected with it among being inserted in the central through bore of end cap, the top of spool has circular groove, in circular groove, be inlaid with seal ring, the valve port of seal ring and the mouthpiece inner chamber lower end composition valve arrangement that joins, the middle part of spool has been horizontally disposed with water inlet, in water inlet, be provided with turbine blade, the bottom of spool is connected with valve rod, valve rod is inserted among valve stem casing, the centre of valve rod has exhalant canal, the upper end of exhalant canal is communicated with water inlet, the lower end of exhalant canal is provided with osculum, on the lower end cylindrical of valve rod, be connected to churning dish, in the mesopore of churning dish, have circular groove, the osculum UNICOM of circular groove and valve rod lower end, the by-level of churning dish is provided with whirlpool spray orifice, the inner end of whirlpool spray orifice is communicated with circular groove, on the lower end cylindrical of valve rod, be also provided with location jump ring, location jump ring is positioned at churning dish the lower end of valve rod, the bottom of end cap has shrinkage pool, the thickness of the degree of depth of shrinkage pool and churning dish matches, between annular piston and end cap, be provided with Returnning spring.
Described rotation jetting device, on the cylindrical of annular piston, end cap, be provided with circular groove, in circular groove, be provided with seal ring, between the upper end of valve stem casing and bulge loop, be provided with seal ring, on the lower end cylindrical of valve stem casing, be provided with seal ring and be connected with the inner wall sealing of end cap central bore, among the closed cavity that Returnning spring forms in valve stem casing, annular piston and end cap.
Described rotation jetting device, is provided with churning dish Returnning spring between churning dish and the lower end of valve stem casing.
of the present utility modelmarine drilling platform assisting in lifting pile shoe rotation jetting device
there is following outstanding beneficial effect:
Spool is broken through automatic rotation in journey in spray, changes the dotted line spray punching of prior art into surface of revolution spray punching, has increased spray impulse face long-pending, improve spray and rushed effect, can remove soon the parcel absorption of seabed mud to shoe, accelerate the lifting of shoe, shorten the work area migration period of oil platform.
Accompanying drawing explanation
Fig. 1 is the vertical profile structural representation of churning device;
Fig. 2 is the vertical profile structural representation of spool;
Fig. 3 is that the A-A of churning dish whirlpool spray orifice is to cross-sectional view;
Fig. 4 is the B-B cross-sectional view of spool water inlet.
Mark in accompanying drawing represents respectively: mouthpiece 1, spool 2, valve pocket 3,, annular piston 4, housing 5, seal ring 6, Returnning spring 7, closed cavity 8, churning dish Returnning spring 9, shrinkage pool 10, churning dish 11, whirlpool spray orifice 12, circular groove 13, location jump ring 14, osculum 15, end cap 16, valve rod 17, valve stem casing 18, bulge loop 19, valve rod exhalant canal 20, water inlet 21, turbine blade 22.
Embodiment
Below in conjunction with accompanying drawing, marine drilling platform assisting in lifting pile shoe of the present utility model is described in further detail with rotation jetting device.
Marine drilling platform assisting in lifting pile shoe rotation jetting device of the present utility model, its structure is mainly by housing 5, annular piston 4, spool 2, valve stem casing 18, churning dish 11, end cap 16 and Returnning spring 7 form, wherein, in the middle of housing 5, be provided with valve pocket 3, the upper end of housing 5 is provided with mouthpiece 1, the tube chamber of mouthpiece 1 is communicated with valve pocket 3, the lower end of valve pocket 3 is provided with end cap 16, the central vertical of end cap 16 has through hole, the centre of valve pocket 3 is provided with annular piston 4, the endoporus of annular piston 4 and valve stem casing 18 upper ends link together, the lower end of valve stem casing 18 is slidably connected with it among being inserted in the central through bore of end cap 16, the top of spool 2 has circular groove 21, in circular groove, be inlaid with seal ring 6, the valve port of seal ring 6 and the mouthpiece 1 inner chamber lower end composition valve arrangement that joins, the middle part of spool has been horizontally disposed with water inlet 21, in water inlet 21, be provided with turbine blade 22, the bottom of spool 2 is connected with valve rod 17, valve rod 17 is inserted among valve stem casing 18, the centre of valve rod 17 has exhalant canal 20, the upper end of exhalant canal 20 is communicated with water inlet 21, the lower end of exhalant canal 20 is provided with osculum 15, on the lower end cylindrical of valve rod 17, be connected to churning dish 11, in the mesopore of churning dish 11, have circular groove 13, osculum 15 UNICOMs of circular groove 13 and valve rod 17 lower ends, the by-level of churning dish 11 is provided with whirlpool spray orifice 12, the inner end of whirlpool spray orifice 12 is communicated with circular groove 13, on the lower end cylindrical of valve rod 17, be also provided with location jump ring 14, location jump ring 14 is positioned at churning dish 11 lower end of valve rod 17, the bottom of end cap 16 has shrinkage pool 10, the thickness of the degree of depth of shrinkage pool 10 and churning dish 11 matches, between annular piston 4 and end cap 16, be provided with Returnning spring 7.
Described rotation jetting device, on the cylindrical of annular piston 4, end cap 16, be provided with circular groove, in circular groove, be provided with seal ring 6, between the upper end of valve stem casing 18 and bulge loop 19, be provided with seal ring, on the lower end cylindrical of valve stem casing 18, be provided with seal ring 6 and be connected with the inner wall sealing of end cap 16 center holes, among the closed cavity 8 that Returnning spring 7 forms in valve stem casing 18, annular piston 4 and end cap 16.
Described rotation jetting device, is provided with churning dish Returnning spring 9 between churning dish 11 and the lower end of valve stem casing 18.
Embodiment
Spray flushing device working procedure of the present utility model is as follows:
High pressure water enters from mouthpiece, promotion spool moves down, spool interlock annular piston moves down, in the process moving down at spool, valve rod moves down and promotes the shrinkage pool that churning dish leaves end cap lower end, expose whirlpool spray orifice, the exhalant canal that high pressure water enters valve rod center enters the circular groove of churning dish from the osculum ejection of lower end, circular groove is by the whirlpool spray orifice on moisture dispensing churning dish, whirlpool spray orifice is the cylindrical tangent line ejection along churning dish by water, under the effect of injection water, churning dish is rotated, the jet face mud by periphery in the form of annular discs is washed open, remove the parcel absorption of mud to shoe.Drive spool unitary rotation, the spray drift that spool moves down with ovable valve stem lower end stretches out end cap downwards simultaneously, and horizontal-jet whirlpool spray orifice is opened, and implements spray and rushes clean-up operation.
If sludge density is large, when high to churning dish crushing strength, valve rod lower end is directly stretched out churning dish downwards, first churning dish mud is around sprayed to punching, after mud is rushed to open, churning dish and pressure remove, the shrinkage pool that overflows end cap bottom under the thrust of churning dish Returnning spring carries out normal churning operation.
After the high pressure water of mouthpiece is closed, spool and annular piston upwards reset under the effect of Returnning spring, and the location jump ring of valve rod lower end pulls that on churning dish, to move up into shrinkage pool hidden, prevent from that mud from entering to stop up whirlpool spray orifice, and spray is rushed clean-up operation and stopped.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technological scheme that still can record aforementioned each embodiment is modified, or part technical characteristics is wherein equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Except the disclosed technical characteristics of specification of the present utility model, be the known technology of those skilled in the art.
Claims (3)
1. a marine drilling platform assisting in lifting pile shoe sprays flushing device by dual rotary, it is characterized in that, comprise housing, annular piston, spool, valve stem casing, churning dish, end cap and Returnning spring, wherein, in the middle of housing, be provided with valve pocket, the upper end of housing is provided with mouthpiece, the tube chamber of mouthpiece is communicated with valve pocket, the lower end of valve pocket is provided with end cap, the central vertical of end cap has through hole, the centre of valve pocket is provided with annular piston, the endoporus of annular piston and valve stem casing upper end link together, the lower end of valve stem casing is slidably connected with it among being inserted in the central through bore of end cap, the top of spool has circular groove, in circular groove, be inlaid with seal ring, the valve port of seal ring and the mouthpiece inner chamber lower end composition valve arrangement that joins, the middle part of spool has been horizontally disposed with water inlet, in water inlet, be provided with turbine blade, the bottom of spool is connected with valve rod, valve rod is inserted among valve stem casing, the centre of valve rod has exhalant canal, the upper end of exhalant canal is communicated with water inlet, the lower end of exhalant canal is provided with osculum, on the lower end cylindrical of valve rod, be connected to churning dish, in the mesopore of churning dish, have circular groove, the osculum UNICOM of circular groove and valve rod lower end, the by-level of churning dish is provided with whirlpool spray orifice, the inner end of whirlpool spray orifice is communicated with circular groove, on the lower end cylindrical of valve rod, be also provided with location jump ring, location jump ring is positioned at churning dish the lower end of valve rod, the bottom of end cap has shrinkage pool, the thickness of the degree of depth of shrinkage pool and churning dish matches, between annular piston and end cap, be provided with Returnning spring.
2. rotation jetting device according to claim 1, it is characterized in that being provided with circular groove on the cylindrical of annular piston, end cap, in circular groove, be provided with seal ring, between the upper end of valve stem casing and bulge loop, be provided with seal ring, on the lower end cylindrical of valve stem casing, be provided with seal ring and be connected with the inner wall sealing of end cap central bore, among the closed cavity that Returnning spring forms in valve stem casing, annular piston and end cap.
3. rotation jetting device according to claim 1, is characterized in that, is provided with churning dish Returnning spring between churning dish and the lower end of valve stem casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259050.7U CN203880103U (en) | 2014-05-21 | 2014-05-21 | Double-rotation drive rotary spraying device for aiding rising of marine drilling platform pile shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259050.7U CN203880103U (en) | 2014-05-21 | 2014-05-21 | Double-rotation drive rotary spraying device for aiding rising of marine drilling platform pile shoe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203880103U true CN203880103U (en) | 2014-10-15 |
Family
ID=51680601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420259050.7U Expired - Fee Related CN203880103U (en) | 2014-05-21 | 2014-05-21 | Double-rotation drive rotary spraying device for aiding rising of marine drilling platform pile shoe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203880103U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982665A (en) * | 2014-05-21 | 2014-08-13 | 济南高达信息技术有限公司 | Double-rotation spraying and flushing device used for assisting in lifting marine drilling platform pile shoe |
-
2014
- 2014-05-21 CN CN201420259050.7U patent/CN203880103U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982665A (en) * | 2014-05-21 | 2014-08-13 | 济南高达信息技术有限公司 | Double-rotation spraying and flushing device used for assisting in lifting marine drilling platform pile shoe |
| CN103982665B (en) * | 2014-05-21 | 2016-02-03 | 齐宝兰 | A kind of marine drilling platform assisting in lifting pile shoe dual rotary sprays flushing device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20160521 |