CN203878579U - Rotary plate type rotary spraying device for aiding rising of marine drilling platform pile shoe - Google Patents
Rotary plate type rotary spraying device for aiding rising of marine drilling platform pile shoe Download PDFInfo
- Publication number
- CN203878579U CN203878579U CN201420259081.2U CN201420259081U CN203878579U CN 203878579 U CN203878579 U CN 203878579U CN 201420259081 U CN201420259081 U CN 201420259081U CN 203878579 U CN203878579 U CN 203878579U
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- China
- Prior art keywords
- valve
- churning
- dish
- annular piston
- end cap
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- 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
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Abstract
The utility model provides a rotary plate type rotary spraying device for aiding rising of a marine drilling platform pile shoe. The rotary plate type 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. The rotary plate type rotary spraying device has the advantages that 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, specifically a kind of marine drilling platform assisting in lifting pile shoe rotating disc type spray apparatus.
Background technology
The water column direction of the spraying device spray drift ejection of prior art is fixed, thereby the sphere of action 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 external surface, can not reach best quick spray punching and help ascending effect.
Utility model content
Technical assignment of the present utility model is to solve the deficiencies in the prior art, and a kind of marine drilling platform assisting in lifting pile shoe rotating disc type spray apparatus is provided.
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 sleeve, churning dish, end cap and back-moving 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 sleeve upper end link together, the lower end of valve stem sleeve is slidably connected with it among being inserted in the central through hole of end cap, the top of spool has cannelure, in cannelure, be inlaid with sealing ring, the valve port of sealing ring and the mouthpiece inner chamber lower end composition valve arrangement that joins, the middle part of spool is provided with inlet opening, the bottom of spool is connected with valve rod, valve rod is inserted among valve stem sleeve, the centre of valve rod has exhalant canal, the upper end of exhalant canal is communicated with inlet opening, the lower end of exhalant canal is provided with weep hole, on the lower end cylindrical of valve rod, be connected to churning dish, in the mesopore of churning dish, have cannelure, the weep hole UNICOM of cannelure 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 cannelure, 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 back-moving spring.
Described rotation jetting device, on the cylindrical of annular piston, end cap, be provided with cannelure, in cannelure, be provided with sealing ring, between the upper end of valve stem sleeve and bulge loop, be provided with sealing ring, on the lower end cylindrical of valve stem sleeve, be provided with sealing ring and be connected with the inner wall sealing of end cap central bore, among the closed cavity of back-moving spring in valve stem sleeve, annular piston and end cap composition.
Described rotation jetting device, is provided with churning dish back-moving spring between churning dish and the lower end of valve stem sleeve.
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 surfaces of revolution spray punching, has increased spray
Impulse face is long-pending, has improved spray and has rushed effect, can remove soon the parcel absorption of seabed mud to shoe, accelerates the lifting of shoe, shortens the work area migration period of oil platform.
Brief description of the drawings
Fig. 1 is the vertical profile structural representation of churning device;
Fig. 2 is that the A-A of churning dish is to cross-sectional view.
Mark in accompanying drawing represents respectively: mouthpiece 1, spool 2, valve pocket 3,, annular piston 4, housing 5, sealing ring 6, back-moving spring 7, closed cavity 8, churning dish back-moving spring 9, shrinkage pool 10, churning dish 11, whirlpool spray orifice 12, cannelure 13, location jump ring 14, weep hole 15, end cap 16, valve rod 17, valve stem sleeve 18, bulge loop 19, valve rod exhalant canal 20, inlet opening 21.
Detailed description of the invention
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 sleeve 18, churning dish 11, end cap 16 and back-moving 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 sleeve 18 upper ends link together, the lower end of valve stem sleeve 18 is slidably connected with it among being inserted in the central through hole of end cap 16, the top of spool 2 has cannelure 21, in cannelure, be inlaid with sealing ring 6, sealing ring 6 and the valve port of the mouthpiece 1 inner chamber lower end composition valve arrangement that joins, the middle part of spool is provided with inlet opening 22, the bottom of spool 2 is connected with valve rod 17, valve rod 17 is inserted among valve stem sleeve 18, the centre of valve rod 17 has exhalant canal 20, the upper end of exhalant canal 20 is communicated with inlet opening 22, the lower end of exhalant canal 20 is provided with weep hole 15, on the lower end cylindrical of valve rod 17, be connected to churning dish 11, in the mesopore of churning dish 11, have cannelure 13, weep hole 15 UNICOMs of cannelure 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 cannelure 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 back-moving spring 7.
Described rotation jetting device, on the cylindrical of annular piston 4, end cap 16, be provided with cannelure, in cannelure, be provided with sealing ring 6, between the upper end of valve stem sleeve 18 and bulge loop 19, be provided with sealing ring, on the lower end cylindrical of valve stem sleeve 18, be provided with sealing ring 6 and be connected with the inner wall sealing of end cap 16 centre bores, among the closed cavity 8 that back-moving spring 7 forms in valve stem sleeve 18, annular piston 4 and end cap 16.
Described rotation jetting device, is provided with churning dish back-moving spring 9 between churning dish 11 and the lower end of valve stem sleeve 18.
Embodiment
The spray flushing device course of work of the present utility model is as follows:
Water under high pressure enters from mouthpiece, promotion spool moves down, spool interlock annular piston moves down, in the process moving down at spool, valve rod moves down the shrinkage pool that promotes churning dish and leave end cap lower end, expose whirlpool spray orifice, the exhalant canal that water under high pressure enters valve rod center sprays from the weep hole of lower end the cannelure that enters churning dish, cannelure 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 jet water course, 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, spool moves down with the spray drift of ovable valve stem lower end and 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 back-moving spring carries out normal churning operation.
After the water under high pressure of mouthpiece is closed, spool and annular piston upwards reset under the effect of back-moving 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 technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.All within spirit of the present utility model and principle, any amendment 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 characterictic of manual 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 rotating disc type spray apparatus, it is characterized in that, comprise housing, annular piston, spool, valve stem sleeve, churning dish, end cap and back-moving 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 sleeve upper end link together, the lower end of valve stem sleeve is slidably connected with it among being inserted in the central through hole of end cap, the top of spool has cannelure, in cannelure, be inlaid with sealing ring, the valve port of sealing ring and the mouthpiece inner chamber lower end composition valve arrangement that joins, the middle part of spool is provided with inlet opening, the bottom of spool is connected with valve rod, valve rod is inserted among valve stem sleeve, the centre of valve rod has exhalant canal, the upper end of exhalant canal is communicated with inlet opening, the lower end of exhalant canal is provided with weep hole, on the lower end cylindrical of valve rod, be connected to churning dish, in the mesopore of churning dish, have cannelure, the weep hole UNICOM of cannelure 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 cannelure, 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 back-moving spring.
2. rotation jetting device according to claim 1, it is characterized in that being provided with cannelure on the cylindrical of annular piston, end cap, in cannelure, be provided with sealing ring, between the upper end of valve stem sleeve and bulge loop, be provided with sealing ring, on the lower end cylindrical of valve stem sleeve, be provided with sealing ring and be connected with the inner wall sealing of end cap central bore, among the closed cavity of back-moving spring in valve stem sleeve, annular piston and end cap composition.
3. rotation jetting device according to claim 1, is characterized in that, is provided with churning dish back-moving spring between churning dish and the lower end of valve stem sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259081.2U CN203878579U (en) | 2014-05-21 | 2014-05-21 | Rotary plate type rotary spraying device for aiding rising of marine drilling platform pile shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259081.2U CN203878579U (en) | 2014-05-21 | 2014-05-21 | Rotary plate type rotary spraying device for aiding rising of marine drilling platform pile shoe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203878579U true CN203878579U (en) | 2014-10-15 |
Family
ID=51679096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420259081.2U Expired - Fee Related CN203878579U (en) | 2014-05-21 | 2014-05-21 | Rotary plate type rotary spraying device for aiding rising of marine drilling platform pile shoe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203878579U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967013A (en) * | 2014-05-21 | 2014-08-06 | 济南高达信息技术有限公司 | Rotating disk type rotary spraying device for accelerating lifting of pile shoe of offshore drilling platform |
-
2014
- 2014-05-21 CN CN201420259081.2U patent/CN203878579U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967013A (en) * | 2014-05-21 | 2014-08-06 | 济南高达信息技术有限公司 | Rotating disk type rotary spraying device for accelerating lifting of pile shoe of offshore drilling platform |
| CN103967013B (en) * | 2014-05-21 | 2015-11-04 | 胡文超 | A kind of marine drilling platform assisting in lifting pile shoe rotating disc type spray apparatus |
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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 |
Granted publication date: 20141015 Termination date: 20160521 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |