CN204639559U - Instrument fetched and delivered by a kind of subsea production tree tree cap annular space metal sealing steel ring - Google Patents
Instrument fetched and delivered by a kind of subsea production tree tree cap annular space metal sealing steel ring Download PDFInfo
- Publication number
- CN204639559U CN204639559U CN201520146011.0U CN201520146011U CN204639559U CN 204639559 U CN204639559 U CN 204639559U CN 201520146011 U CN201520146011 U CN 201520146011U CN 204639559 U CN204639559 U CN 204639559U
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- outer sleeve
- ring
- inner sleeve
- sleeve
- metal sealing
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Abstract
The utility model provides a kind of subsea production tree to set cap annular space metal sealing steel ring and fetches and delivers instrument, comprise inner sleeve, outer sleeve, inner sleeve is fixed by socket under water on tree cap body, described outer sleeve is socketed on outside inner sleeve also fixing, the shoulder that described inner sleeve upper end arranged outside is protruded, make the annular housing forming lower ending opening between outer sleeve and inner sleeve, in this annular housing, the piston ring that can slide up and down is set, described piston ring bottom can be stretched out outside annular housing downwards, described inner sleeve, the moieties into close laminating that outer sleeve connects, airtight upper piston chamber is formed between described piston ring upper end and inner sleeve, airtight lower piston chamber is formed between described outer sleeve and piston ring, instrument fetched and delivered by metal steel ring of the present utility model, improves tree cap sealing property, shortens the set-up time of metal sealing steel ring, decreases the damage in ring gasket installation process, reduces the working strength of workman, improves operating efficiency.
Description
Technical field
The utility model relates to a kind of subsea production tree equipment ring gasket erecting tools, particularly relates to a kind of when seal and ontological existence interference fit, carry out installing to ring gasket and take out fetch and deliver instrument.
Background technology
In tree cap and production tree body junction, there is K type metal sealing steel ring, to seal the connection of production tree body and tree cap in the outside of production tree body interior and tree cap body.In the mounting technique of existing tree cap annular space metal sealing steel ring, the installation of tree cap annular space metal sealing steel ring generally is manual operations, but steel ring is for reaching sealing effectiveness, its cooperation is generally interference fit, the installation realizing or be difficult to realize metal sealing steel ring is difficult to manual method, and cannot be in place, adopt the installation of the instruments such as jack easily to cause the damage of metal sealing steel ring, and finally cause production tree body and tree cap to seal.
Summary of the invention
For solving the problem, the utility model provides a kind of subsea production tree to set cap annular space metal sealing steel ring and fetches and delivers instrument, metal sealing steel ring can be installed to assigned address, save the operating time, improve installation effectiveness; The damage that metal sealing steel ring causes in manual operation process can be avoided in addition.
For achieving the above object, the utility model adopts following technical scheme:
Instrument fetched and delivered by a kind of subsea production tree tree cap annular space metal sealing steel ring, comprise inner sleeve 4, outer sleeve 5, described inner sleeve 4 is fixed by socket under water on tree cap body, described outer sleeve 5 is socketed on outside inner sleeve 4 also fixing, the shoulder that described inner sleeve 4 upper end arranged outside is protruded, make the annular housing forming lower ending opening between described outer sleeve 5 and inner sleeve 4, in this annular housing, the piston ring 9 that can slide up and down is set, described piston ring 9 bottom can be stretched out outside annular housing downwards, described inner sleeve 4, the part sealing laminating that outer sleeve 5 connects, shoulder and outer sleeve 5 inner wall sealing of the outwardly setting in described piston ring 9 upper end are fitted, described piston ring 9 upper end inwall and inner sleeve 4 outer wall seal fits, described outer sleeve 5 lower end seals to the shoulder of projecting inward setting and piston ring 9 outer wall and fits, form upper piston chamber 42 between described piston ring 9 upper end and inner sleeve 4, between described outer sleeve 5 and piston ring 9, form lower piston chamber 41, described outer sleeve 5 is arranged the pressurizing port suppressed in upwards plunger shaft 42, lower piston chamber 41.
Preferably, described inner sleeve 4, outer sleeve 5 are fixed through the trip bolt at outer sleeve 5 top and inner sleeve 4 top successively by horizontal ecto-entad, between described inner sleeve 4, outer sleeve 5, O RunddichtringO is set, between described piston ring 9 and inner sleeve 4, outer sleeve 5 contact site, O RunddichtringO is set.
Preferably, also comprise in hood-like gripper shoe 3, described gripper shoe 3 covers tree cap body shaft end face, and its bottom margin and inner sleeve 4 top offset, and described gripper shoe 3 is bolted with tree cap body shaft end face.
Preferably, comprise outer sleeve 12, described outer sleeve 12 to be socketed in outside subsea production tree tree cap axle and with described piston ring 9 bottom clamping, described outer sleeve 12 inside embeds and arranges embedded rings 13, the center bore of described outer sleeve 12 bottom is greater than metal sealing steel ring external diameter to be removed, and described embedded rings 13 inner ring has the protuberance 131 coordinating clamping with metal sealing steel ring ring-shaped depression to be removed.
Preferably, described outer sleeve 12 by two semiorbicular Structure composing, and is connected and fixed by bolt and forms whole circular ring structure in installation process.
Preferably, the projection 121 arranging protrusion of described outer sleeve 12 top inner ring annular, described piston ring bottom outside is arranged and described protruding 121 grooves coordinated 92.
The beneficial effects of the utility model are: instrument fetched and delivered by a kind of subsea production tree tree cap annular space metal sealing steel ring of the present utility model, use piston principle, when fitting tight steel ring, suppressed piston is moved down by top, compressing ring gasket is installed to correct position.When taking out ring gasket, suppressed by bottom, piston is moved up, lift-off seal steel ring, thus ring gasket is taken out smoothly; Improve the sealing property of tree cap, and substantially reduce the set-up time of metal sealing steel ring, decrease the damage in ring gasket installation process, reduce the working strength of workman, improve operating efficiency.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the utility model specific embodiment;
Fig. 2 is the another kind of structural representation of the utility model specific embodiment;
Fig. 3 is the structural representation of piston ring 9 in the utility model specific embodiment;
Fig. 4 is that in Fig. 2, A place refers to partial enlarged drawing.
Number in the figure: 42-upper piston chamber, 4-inner sleeve 5-outer sleeve 41-lower piston chamber 9-piston ring 3-gripper shoe 12-outer sleeve 13-embedded rings 131-protuberance 121-protruding 92-groove 6-trip bolt 7,8,10-O RunddichtringO 1-bolt.
Detailed description of the invention
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail detailed description of the invention of the present utility model below in conjunction with accompanying drawing.
Set forth a lot of detail in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public specific embodiment.
Secondly, the utility model is described in detail in conjunction with schematic diagram, when describing the utility model embodiment in detail; for ease of explanation; the profile of indication device structure can be disobeyed general ratio and be made partial enlargement, and described schematic diagram is example, and it should not limit the scope of the utility model protection at this.In addition, the three-dimensional space of length, width and the degree of depth should be comprised in actual fabrication.
As shown in Figure 1, the utility model specific embodiment discloses a kind of subsea production tree tree cap annular space metal sealing steel ring and fetches and delivers instrument, comprise inner sleeve 4, outer sleeve 5, described inner sleeve 4 is fixed by socket under water on tree cap body, described outer sleeve 5 is socketed on outside inner sleeve 4 also fixing, the shoulder that described inner sleeve 4 upper end arranged outside is protruded, make the annular housing of the lower ending opening forming annular between described outer sleeve 5 and inner sleeve 4, in this annular housing, the piston ring 9 that can slide up and down is set, described piston ring 9 bottom can be stretched out outside annular housing downwards, described inner sleeve 4, the moieties into close laminating that outer sleeve 5 connects, shoulder and outer sleeve 5 inner wall sealing of the outwardly setting in described piston ring 9 upper end are fitted, described piston ring 9 upper end inwall and inner sleeve 4 outer wall seal fits, described outer sleeve 5 lower end seals to the shoulder of projecting inward setting and piston ring 9 outer wall and fits, form upper piston chamber 42 between described piston ring 9 upper end and inner sleeve 4, between described outer sleeve 5 and piston ring 9, form lower piston chamber 41, described outer sleeve 5 is arranged the pressurizing port suppressed in upwards plunger shaft 42, lower piston chamber 41.
In the present embodiment, during work, lower surface and the metal sealing steel ring to be installed of described piston ring 9 offset, by pressurizeing in described upper piston chamber 42, drag described piston ring 9 bottom to stretch out downwards outside annular housing, and then metal sealing steel ring to be installed is pushed into the position needing interference seal outside production tree axle, the downward force applied due to lower surface and the metal sealing steel ring of piston ring 9 is equally distributed, avoid the damage that metal sealing steel ring produces because of unbalance stress, to require great effort operation without the need to workman simultaneously, reduce the working strength of workman, adopt this kind of mode that metal sealing steel ring speed is installed in addition very fast, improve operating efficiency.
Further, as shown in Figure 1, in order to improve described inner sleeve 4, sealing property between outer sleeve 5 and piston ring 9, described inner sleeve 4, outer sleeve 5 is fixed through the trip bolt 6 at outer sleeve 5 top and inner sleeve 4 top successively by horizontal ecto-entad, described inner sleeve 4, O RunddichtringO 7 is set between outer sleeve 5, 8, 10, described piston ring 9 and inner sleeve 4, between outer sleeve 5 contact site, O RunddichtringO 7 is set, 8, 10, this arrangement enhances upper piston chamber 42, the sealing property in lower piston chamber 41, reduce outside suppress needed for the energy that expends, decrease loss, reduce job costs.
Further, as shown in Figure 1, during due to tool work in above-described embodiment, metal steel ring applies reverse thrust to instrument entirety, therefore, fix more firm to make instrument of fetching and delivering and tree cap body, be provided with in hood-like gripper shoe 3 further, described gripper shoe 3 covers tree cap body shaft end face, its bottom margin and inner sleeve 4 top offset, described gripper shoe 3 is fixed by bolt 1 with tree cap body shaft end face, it is fixing more firm that this structure makes inner sleeve 4 and production tree set cap, avoid the situations such as the inner sleeve 4 caused because the reverse resistance of metal steel ring is excessive comes off.
Further, as shown in Figure 2, also outer sleeve 12 can be comprised in present embodiment, described outer sleeve 12 to be socketed in outside subsea production tree tree cap axle and with described piston ring 9 bottom clamping, described outer sleeve 12 inside embeds and arranges embedded rings 13, the center bore of described outer sleeve 12 bottom is greater than metal sealing steel ring external diameter to be removed, and described embedded rings 13 inner ring has to cave in metal sealing steel ring cross section to be removed and coordinates the protuberance 131 of clamping.
Said structure is for taking off the metal sealing steel ring of interference fit, during work, described outer sleeve 12 is enclosed within outside production tree tree cap axle together with embedded rings 13 and moves to metal sealing steel ring installation place, center bore due to described outer sleeve 12 bottom is greater than metal sealing steel ring external diameter to be removed, metal sealing steel ring is made to enter outer sleeve 12 inside and the clamping of described embedded rings 13 along outer sleeve 12 centre bore, conventional K RunddichtringO or Type B sealing ring during described metal sealing steel ring uses engineering to seal, the sealing ring outer ring of this type has the depression of annular, described embedded rings 13 inner ring has the protuberance 131 coordinating clamping with metal sealing steel ring ring-shaped depression to be removed, embedded rings 13 and ring gasket is made to form snap-fit engagement, meanwhile, clamping bottom described outer sleeve 12 top and described piston ring 9, by pressurizeing in downward plunger shaft 41, makes described piston ring 9 move upward, and then drive outer sleeve 12, embedded rings 13 to move upward, pull metal sealing steel ring to move up taking-up by described embedded rings 13.
Preferably, described outer sleeve 12 is by two semiorbicular Structure composing, and be connected and fixed by bolt in installation process and form whole circular ring structure, in the present embodiment, when two semiorbicular outer sleeves 12 are by bolt-locking, inside extruding embedded rings 13, makes embedded rings 13 tightr with coordinating of ring gasket to be removed.
Further, as shown in Figure 3, Figure 4, above-mentioned outer sleeve 12 with the snap fit of piston ring 9 is, the projection 121 that protrusion is set of described outer sleeve 12 top inner ring annular, described piston ring 9 bottom outside is arranged and described protruding 121 grooves coordinated 92, coordinates clamping to be connected by this projection 121 with groove 92.
Fetch and deliver in the specific implementation process of instrument at tree cap annular space metal sealing steel ring, first, the instrument of fetching and delivering is installed on the step of tree cap body, and be threaded connection inner sleeve 4 and tree cap body are fixed; Then, instrument installs gripper shoe 3 additional, and with the type of attachment of screw rod 1 and nut, instrument of fetching and delivering is reinforced; Secondly, two semiorbicular embedded rings are placed on K type metal sealing steel ring, then entangle with two pieces of semiorbicular outer sleeves, and by outer sleeve and with screw rod locking, K type ring gasket is fixed on the instrument of fetching and delivering by exterior ring cap; Again, suppress moving up and down of control piston ring 9 by the downward plunger shaft 41 of hydraulic action or inside, upper piston chamber 42, when upwards plunger shaft 42 is pressurizeed, piston ring 9 promotes steel ring and moves down, and installs K type metal sealing steel ring; When downward piston ring 41 pressurizes, piston ring 9 promotes steel ring moves, and takes out K type metal sealing steel ring.
Instrument fetched and delivered by production tree tree cap annular space metal sealing steel ring of the present utility model, piston principle is used to realize the installation and removal of metal sealing steel ring, relative traditional-handwork installation method saves the set-up time, improve the installation effectiveness of tree cap annular space metal sealing steel ring, and effectively prevent the damage of manually operated alternative to metal sealing steel ring.
Although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model.Any those of ordinary skill in the art, do not departing under technical solutions of the utility model ambit, the Method and Technology content of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solutions of the utility model protection.
Claims (6)
1. instrument fetched and delivered by a subsea production tree tree cap annular space metal sealing steel ring, it is characterized in that, comprise inner sleeve (4), outer sleeve (5), described inner sleeve (4) is fixed by socket under water on tree cap body, described outer sleeve (5) is socketed on inner sleeve (4) outside and fixes, the shoulder that described inner sleeve (4) upper end arranged outside is protruded, make the annular housing forming lower ending opening between described outer sleeve (5) and inner sleeve (4), in this annular housing, the piston ring (9) that can slide up and down is set, described piston ring (9) bottom can be stretched out outside annular housing downwards, described inner sleeve (4), the part sealing laminating that outer sleeve (5) connects, shoulder and outer sleeve (5) inner wall sealing of the outwardly setting in described piston ring (9) upper end are fitted, described piston ring (9) upper end inwall and inner sleeve (4) outer wall seal fits, described outer sleeve (5) lower end seals to the shoulder of projecting inward setting and piston ring (9) outer wall and fits, upper piston chamber (42) is formed between described piston ring (9) upper end and inner sleeve (4), form lower piston chamber (41) between described outer sleeve (5) and piston ring (9), described outer sleeve (5) is arranged the pressurizing port suppressed in upwards plunger shaft (42), lower piston chamber (41).
2. instrument fetched and delivered by a kind of subsea production tree tree cap annular space metal sealing steel ring as claimed in claim 1, it is characterized in that, described inner sleeve (4), outer sleeve (5) are fixed through the trip bolt at outer sleeve (5) top and inner sleeve (4) top successively by horizontal ecto-entad, described inner sleeve (4), outer sleeve arrange O RunddichtringO between (5), arrange O RunddichtringO between described piston ring (9) and inner sleeve (4), outer sleeve (5) contact site.
3. instrument fetched and delivered by a kind of subsea production tree tree cap annular space metal sealing steel ring as claimed in claim 1, it is characterized in that, also comprise in hood-like gripper shoe (3), described gripper shoe (3) covers tree cap body shaft end face, its bottom margin and inner sleeve (4) top offset, and described gripper shoe (3) and tree cap body shaft end face are bolted.
4. instrument fetched and delivered by a kind of subsea production tree tree cap annular space metal sealing steel ring as claimed in claim 1, it is characterized in that, comprise outer sleeve (12), described outer sleeve (12) to be socketed in outside subsea production tree tree cap axle and with described piston ring (9) bottom clamping, described outer sleeve (12) inside embeds and arranges embedded rings (13), the center bore of described outer sleeve (12) bottom is greater than metal sealing steel ring external diameter to be removed, described embedded rings (13) inner ring has the protuberance (131) coordinating clamping with metal sealing steel ring ring-shaped depression to be removed.
5. instrument fetched and delivered by a kind of subsea production tree tree cap annular space metal sealing steel ring as claimed in claim 4, it is characterized in that, described outer sleeve (12) by two semiorbicular Structure composing, and is connected and fixed by bolt and forms whole circular ring structure in installation process.
6. instrument fetched and delivered by a kind of subsea production tree tree cap annular space metal sealing steel ring as claimed in claim 4, it is characterized in that, the projection (121) arranging protrusion of described outer sleeve (12) top inner ring annular, described piston ring bottom outside arranges the groove (92) coordinated with described projection (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520146011.0U CN204639559U (en) | 2015-03-13 | 2015-03-13 | Instrument fetched and delivered by a kind of subsea production tree tree cap annular space metal sealing steel ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520146011.0U CN204639559U (en) | 2015-03-13 | 2015-03-13 | Instrument fetched and delivered by a kind of subsea production tree tree cap annular space metal sealing steel ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204639559U true CN204639559U (en) | 2015-09-16 |
Family
ID=54092343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520146011.0U Expired - Fee Related CN204639559U (en) | 2015-03-13 | 2015-03-13 | Instrument fetched and delivered by a kind of subsea production tree tree cap annular space metal sealing steel ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204639559U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063649A (en) * | 2016-11-29 | 2017-08-18 | 中石化石油机械股份有限公司江钻分公司 | The underwater wellhead annular space sealing ground test device of pressurization can be loaded simultaneously |
| CN112412372A (en) * | 2020-12-11 | 2021-02-26 | 重庆前卫科技集团有限公司 | Recovery tool is sent into to production tree abrasionproof cover under water |
-
2015
- 2015-03-13 CN CN201520146011.0U patent/CN204639559U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063649A (en) * | 2016-11-29 | 2017-08-18 | 中石化石油机械股份有限公司江钻分公司 | The underwater wellhead annular space sealing ground test device of pressurization can be loaded simultaneously |
| CN107063649B (en) * | 2016-11-29 | 2019-04-26 | 中石化江钻石油机械有限公司 | The underwater wellhead annular space sealing ground test device of pressurization can be loaded simultaneously |
| CN112412372A (en) * | 2020-12-11 | 2021-02-26 | 重庆前卫科技集团有限公司 | Recovery tool is sent into to production tree abrasionproof cover under water |
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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: 20150916 Termination date: 20210313 |