CN203822269U - Hydraulic control horizontal butting and locking device of underwater pipeline - Google Patents
Hydraulic control horizontal butting and locking device of underwater pipeline Download PDFInfo
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- CN203822269U CN203822269U CN201420195679.XU CN201420195679U CN203822269U CN 203822269 U CN203822269 U CN 203822269U CN 201420195679 U CN201420195679 U CN 201420195679U CN 203822269 U CN203822269 U CN 203822269U
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Abstract
A hydraulic control horizontal butting and locking device of an underwater pipeline comprises a locking mechanism, a propelling mechanism, a bracket mechanism, wherein the locking mechanism comprises a connecting body and a locking device; a petroleum pipeline is arranged in the middle of the connecting body; the locking device is subjected to hydraulic control can lock or release a pipe connector butted with the connecting body; the propelling mechanism comprises the pipe connector and a pipe connector outer barrel; at least two seal cavities can be formed between an external wall of the pipe connector and an internal wall of the outer barrel; and when hydraulic pressure is applied into one seal cavity, the pipe connector can be pushed to move to one side of the locking mechanism opposite to the pipe connector outer barrel to allow the pipe connector to be butted with the connecting body.With the adoption of the device, all operations such as hoisting and placing of the propelling mechanism, propelling and butting of the pipe connector and mutual locking between the pipe connector and the connecting body can be accomplished precisely, the butting reliability of the pipeline is ensured, and adverse effects of external environment factors are reduced.
Description
Technical field
The utility model relates in petroleum drilling and mining industry, particularly the horizontal butt-joint locking device of a kind of hydraulic control submarine pipeline.
Background technology
At present, subsea production tree pipeline docks with the level of pipeline, substantially comprises three steps, i.e. horizontal pipe lifting transfer step, to connect body lifting near step and after connecting with is connected body and locks step.For these three steps, prior art is level to be docked to lifting pipeline transfer in deep water, and by hoisting machine, horizontal pipe is moved to the direction that connects body, and the operation of docking is directly to complete in the process being lifted at pipeline; In hoisting process and moving process, pipeline is easily subject to the impact of the factors such as hull, undercurrent, machine itself and rocks, tilts in water, be difficult for accurately transferring to correct docking location, make merging precision not high, the easy parts such as damaging metal o-ring that collide with, affect Butt sealing performance and docking success rate.
Simultaneously, conventionally the docking mode adopting in prior art is that flange docks with flange, and general docking mission is dived into the water and has been operated by underwater manipulator, in docking operation process, prior art is to make after flange docking, then the locking operation of the mode tighting a bolt with manipulator after achieving a butt joint, owing to being subject to the impact of seawater depth of implements, concerning mechanical hand, be also the work that difficulty is very large; Not only will find the position of bolt accurately, also will be controlled the degree of tightening, by underwater manipulator, be completed, but its course of work is complicated, and greatly increased activity duration and the cost of locking.
In view of the foregoing, be necessary prior art to make improvement.
Utility model content
Given this, technical problem to be solved in the utility model is to overcome the defect that above-mentioned prior art exists, a kind of hydraulic lock compact form pipe level butt-joint locking device is provided, guarantee that butt tube joint is in decentralization process, accurate location be can transfer to quickly and accurately, the run-off the straight of butt tube joint, displacement reduced, the generation of the situations such as collision, avoid the unfavorable factor impact of rocking etc. because being subject to external environment factor, hull, shorten docking time.
Another technical problem to be solved in the utility model is, after union is transferred to accurate location, and be connected in body docking operation, the utility model adopts the pipeline propulsion mode of on-mechanical formula, avoid being subject to artificial or external environment factor to affect, cause union and be connected between body because contraposition and locking process bump, reduce ring gasket and occur the phenomenon of colliding with, guarantee the sealing performance of pipeline docking, the validity of riser tubing docking.
The horizontal butt-joint locking device of a kind of hydraulic control submarine pipeline of the present utility model, comprising:
A retaining mechanism, a propulsive mechanism and a bracket institution; This propulsive mechanism is for advancing a union to this retaining mechanism; Wherein:
This retaining mechanism comprises that one connects body and a locking device, this connection body center is petroleum pipeline, this locking device is located at this connection body outside, and this locking device is subject to hydraulic control, can form the pipe joint locking of docking or unclamp be connected body with this;
This propulsive mechanism comprises: a union and a union outer cylinder body, and it is outside that this union outer cylinder body is sheathed on this union, between this union outer wall and this outer cylinder body inwall, can form at least two annular seal spaces, and described annular seal space is connected with hydraulic channel; While adding hydraulic pressure in an annular seal space wherein, can promote this union relatively this union outer cylinder body to this retaining mechanism one side shifting, make the butt end of this union approach this connection body; Otherwise, while adding hydraulic pressure to another annular seal space, can promote relative this union outer cylinder body of this union in contrast to this retaining mechanism one side shifting, make the butt end of this union connect body away from this;
This bracket institution comprises: a support and a Kato seat, this support and this retaining mechanism relative position are fixed, this Kato seat is located on this support, when this propulsive mechanism is lowered landing, this propulsive mechanism can contraposition and is incorporated on this Kato seat, and this propulsive mechanism is lowered to docking location accurately together with the union on it.
In an embodiment of the present utility model, this Kato seat is provided with and is conical cavity volume, and cavity volume end face has opening, and the diameter of this cavity volume is from top to bottom for gradually little; This propulsive mechanism also comprises a guiding cone, top and this union outer cylinder body secure bond of this guiding cone, the combination that matches of the cavity volume of this guiding circular cone physical efficiency and this Kato seat.
In an embodiment of the present utility model, this guiding cone comprises a joint portion and a guide part, and this binding site is in this guide part top, in conjunction with this union outer cylinder body, this guide part is that this cone is incorporated into this Kato seat by the downward extended cone in this joint portion.
In an embodiment of the present utility model, the bottom surface periphery of this joint portion is provided with the slot combining with the opening periphery of this Kato seat, makes this guiding cone and Kato seat energy exactitude position combination.
In an embodiment of the present utility model, this union outer wall is convexly equipped with formation circumferential rib, the two ends of this union outer cylinder body form sealing with the outer wall of this union respectively, by the circumferential rib of this evagination, make to form described annular seal space between the two ends of this union outer cylinder body and the circumferential rib of this evagination.
In an embodiment of the present utility model, this union outer cylinder body is head end towards one end of this retaining mechanism, and this head end seals by a ring body and this union outer wall, and this ring body and this union outer cylinder body are structure as a whole; This union outer cylinder body is tail end away from one end of this retaining mechanism, and a thread seal ring of this tail end inner side assembling, by this thread seal ring and the sealing of this union outer wall.
In an embodiment of the present utility model, between the circumferential rib of this union evagination and this union outer cylinder body inwall, O RunddichtringO is housed, and this union is concaved with the annular groove for the locking device clamping combination of this retaining mechanism towards the end of this retaining mechanism.
In an embodiment of the present utility model, the connection body of this retaining mechanism, this connection body hoop is convexly equipped with a shoulder, its central petroleum pipeline is communicated to the petroleum pipeline that production tree connects body, this connection body is arranged with an inner chamber towards one end of this propulsive mechanism, in this inner chamber, be equipped with metal sealing steel ring, this metal sealing steel ring is for docking with this pipe seal;
This locking device comprises an outer cylinder body, a piston and a card tooth device; Wherein this card tooth device is assemblied in this connection body towards one end of this propulsive mechanism; This outer cylinder body is sheathed on the outside of this connection body, between this outer cylinder body inwall, this shoulder and this connection body outer wall, forms a sliding cavity; It is inner that this piston is located at this sliding cavity, and the outer wall that can be close to this connection body slidably reciprocates, when this piston moves to the outside of this card tooth device, can apply squeezing action to card tooth device, the tooth that respectively blocks of this card tooth device is drawn in to central authorities, realize the locking to this union; Otherwise when piston blocks the outside of tooth device away from this, card tooth is the state that naturally extends out, and realizes the release to this union; Wherein between this piston and this sliding cavity, can form at least two annular seal spaces, one of them annular seal space connects a locking hydraulic channel, and another annular seal space connects a unlocking hydraulic pressure passage.
In an embodiment of the present utility model, the locking device of this retaining mechanism also comprises a support ring, this support ring be sheathed on this outer cylinder body inner and with this outer cylinder body secure bond, this card tooth device is held between this connection body and this support ring, this support ring and this outer cylinder body are for rotation combination, by rotating the pretightning force of this card tooth device of this support ring capable of regulating.
In an embodiment of the present utility model, the common tubaeform guide frame that forms this union exactitude position of confession of medial surface of the internal face of this support ring and this card tooth device.
Based on foregoing invention design, also provide a kind of hydraulic control submarine pipeline horizontal butt-joint locking method, it comprises:
Step (1): a propulsive mechanism integral hoisting that contains union is transferred, and the Kato seat contraposition arranging on the bracket institution being positioned at is under water combined, this bracket institution with contain the retaining mechanism relative positioning that is connected body;
Step (2): provide hydraulic pressure to this propulsive mechanism, make this propulsive mechanism promote this union and advance to this retaining mechanism, and dock with the body that is connected of this retaining mechanism;
Step (3): provide hydraulic pressure to this retaining mechanism, a locking device of this retaining mechanism is started working, the pipe joint locking that this docking is completed is in precalculated position.
Useful technique effect of the present utility model is:
(1) the utlity model has a bracket institution, this bracket institution, for to fix with this retaining mechanism position, can provide accurate guide-localization and the placement of vertically transferring position of pipeline propulsive mechanism, and also can be retaining mechanism provides installation to support; Kato seat on its bracket institution has conical cavity volume, and guiding cone and this cavity volume form fit of propulsive mechanism below, there is guide effect, make in transferring the process of settling this propulsive mechanism, can be by the feature of Kato seat, reach the effect of this propulsive mechanism accurately being transferred to correct docking location, avoid the impact of the factors such as hull rocks, underwater current but union tilts, and is connected body collision to the problem generation damaging;
(2), propulsive mechanism of the present utility model is that this union and the assembling in advance of union outer cylinder body is as a whole, lift under water, after propulsive mechanism is transferred to accurate location, can provide hydraulic pressure to propulsive mechanism, this propulsive mechanism is advanced union horizontal orientation towards this retaining mechanism, alternative mechanical propulsion mode, avoid union and be connected the collide with metallic packing ring that causes of body and damage, applicable to the darker depth of water, save docking time, improve merging precision and Butt sealing performance;
(3), retaining mechanism of the present utility model also adopts fluid pressure type locking and release, very easy and be easy to automation and control, and avoids adopting that manipulator carries out that the activity time that mechanical lock brings is long, complicated operation and the large problem of controlled difficulty.
Accompanying drawing explanation
Fig. 1 is the view that propulsive mechanism of the present utility model is lifted whereabouts.
Fig. 2 is that propulsive mechanism of the present utility model falls to the view of having located.
Fig. 3 the utility model union and locking device complete the view of butt-joint locking.
Symbol description:
1 connects body 2 outer cylinder body 3 piston 4 joint rings
5 thread seal ring 6 ring gasket 7 card tooth device 8 support rings
9 hydraulic pressure panel 10 release oil pipe socket 11 secondary unlocking oil pipe socket 12 locking oil pipe sockets
The circumferential rib of 14 union 15 union outer cylinder body 142 annular groove 141 evaginations
151 ring body 16 hydraulic pressure panel 17 union contraction chamber working tubing interface sockets
18 unions advance chamber working tubing interface socket 20 pipe seal ring 21 Kato seats
22 guiding cone 221 joint portion 222 guide part 2210 slots
24 outer cylinder body bracket 25 support panel 26 hexagon socket cap head screws
27 anti-rotation pin block 28 production tree body panels 29 alignment pin 31O RunddichtringO 32 circumferential ribs.
The specific embodiment
The following description and drawings illustrate specific embodiments of the present utility model fully, to enable those skilled in the art to put into practice them.Embodiment only represents possible variation.Unless explicitly requested, otherwise independent parts and function are optional, and the order of operation can change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.The scope of embodiment of the present utility model comprises the gamut of claims, and all obtainable equivalent of claims.
As shown in Figures 1 and 2, the utility model comprises three chief components: retaining mechanism, propulsive mechanism and bracket institution.
Below in conjunction with accompanying drawing, introduce in detail the structure of three ingredients in the utility model, and interactively.
Retaining mechanism, is positioned at the outside that adopts tree body panels 28, and retaining mechanism comprises that connects a body 1, and these connection body 1 central authorities have petroleum pipeline, and pipeline one end is communicated with production tree body interior main pipeline by this production tree body panels 28.The other end of this connection body is arranged with an inner chamber, is equipped with metal sealing steel ring 6 in this inner chamber, and this metal sealing steel ring 6 is for docking with these union 14 sealings.Connect body 1 inside and be provided with hydraulic channel, coordinate alignment pin 29 control the clamping of metal sealing steel ring 6 and loosen.
Retaining mechanism, except this connects body 1, also comprises a locking device, and this locking device is located at this connection body 1 outside, and this locking device is subject to hydraulic control, can form union 14 lockings of docking or unclamp be connected body with this; As shown in Figure 1 or 2, the main correspondence of locking device comprises outer cylinder body 2, piston 3 and card tooth device 7.Wherein this card tooth fills 7 and puts and be assemblied in this connection body 1 towards one end of this propulsive mechanism.This connection body 1 hoop is convexly equipped with a shoulder, in the outside that connects body 1, is arranged with this outer cylinder body 2, and this outer cylinder body 2 is fixedly connected with this shoulder, fixing by anti-rotation pin block 27 and hexagon socket cap head screw lock knot 26, makes to relatively rotate.Between these outer cylinder body 2 inwalls, this connection body shoulder and this connection body 1 outer wall, form a sliding cavity, these outer cylinder body 2 inwalls are towards the protruding circumferential rib 32 that extended to form of this sliding cavity, and spacing is left with being connected between body 1 outer wall in circumferential rib 32 inner sides.This piston 3 is located in this spacing, comprises two pushing and pressing parts, i.e. the first pushing and pressing part 33 and the second pushing and pressing part, and the first pushing and pressing part 33 is one-body molded with this piston, and the second pushing and pressing part is formed with the thread seal ring 5 that is spirally connected separately by this piston 3; This piston 3 can form two annular seal spaces with this circumferential rib 32 by the pushing and pressing part at two ends, is communicated with respectively for hydraulic channel.Preferably, one of them annular seal space is formed with this circumferential rib 32 by these piston 3 first pushing and pressing parts 33, and another annular seal space is formed by joint ring 5 and this circumferential rib 32.While adding hydraulic pressure by the annular seal space between this first pushing and pressing part 33 and this circumferential rib 32, can promote that piston 3 is close to that the outer wall of this connection body 1 moves and away from the outside of this card tooth device 7; And while adding hydraulic pressure by the annular seal space between sealing ring 5 and this circumferential rib 32, can promote piston 3 and be close to the outside that the outer wall of this connection body 1 moved and arrived this card tooth device 7; When this piston 3 moves to the outside of this card tooth device 7, can apply squeezing action to card tooth device 7, the tooth that respectively blocks of this card tooth device 7 is drawn in to central authorities, realize the locking to this union 14; Otherwise when piston 3 blocks the outside of tooth device 7 away from this, card tooth is the state that naturally extends out, and realizes the release to this union 14.The movement of piston 3 is to realize by inner set locking hydraulic channel and the release hydraulic channel of outer cylinder body 2, and locking hydraulic channel is connected to locking oil pipe socket 12, and unlocking hydraulic pressure passage can be connected to release oil pipe socket 10.
This propulsive mechanism, mainly comprises union 14 and the union outer cylinder body 15 that is positioned at union outside.
Union 14 outsides have the circumferential rib 141 of an evagination; Union outer cylinder body 15 is sheathed on union 14 outsides, and the circumferential rib of this evagination 141 is also covered to this union outer cylinder body 15 inner sides.This union outer cylinder body 15 is head end towards one end of this retaining mechanism, this head end seals by a ring body 151 and these union 14 outer walls, ring body 151 better with union outer cylinder body 15 be integral type structure, this union outer cylinder body 15 is tail end away from one end of this retaining mechanism, a joint ring 20 of tail end inner side assembling, by joint ring 20 and these union 14 outer wall sealings.Union outer cylinder body 15 head ends are integral type structure, and tail end is that Demountable can be convenient to union 14 and be assembled to outer cylinder body 15 inside from tail end.The head and the tail two ends of this union outer cylinder body 15 are because forming sealing with the outer wall of this union 14 respectively, and between the circumferential rib 141 of this evagination and outer cylinder body 15 inwalls, also form sealing butt, make union outer cylinder body 15 inside at least form two annular seal spaces, can be for difference connecting fluid pressure passageway, when annular seal space topping up is pressed wherein, can promote that relative this union outer cylinder body 15 of this union 14 is pushed ahead or bounce back backward.As shown in Figure 3, union contraction chamber working tubing interface socket 17 is connected to the circumferential rib 141 of this evagination and the annular seal space between this ring body 151 with hydraulic tube, when opening hydraulic pressure, can promote union 14 retractions; Union advances chamber working tubing interface socket 18 to be connected to the circumferential rib 141 of this evagination and the annular seal space between sealing ring 20 with hydraulic tube, when opening hydraulic pressure, can promote union 14 moves forward, dock with the body 1 that is connected of this locking device, specifically, can promote reposefully this union 14 and arrive the metal sealing steel ring 6 that connects body 1 inside, connect body 1 inside and be provided with hydraulic channel, coordinate alignment pin 29 to control metal sealing steel ring 6 and loosen, coordinate with union 14 ferrules.Meanwhile, can open locking oil pipe socket 12 to this locking hydraulic channel pressurization, card tooth 7 is drawn in, will stretch to the inner union being connected with metal sealing steel ring 6 14 lockings of this connection body 1.
Particularly it should be noted that, propulsive mechanism of the present utility model also comprises a guiding cone 22, top and this union outer cylinder body 15 secure bond of this guiding cone 22, comprise a joint portion 221 and a guide part 222, this joint portion 221 is positioned at this guide part 222 tops, be used in conjunction with this union outer cylinder body 15, this guide part 222 is by the downward extended cone in this joint portion 221.
Bracket institution, comprises the Kato seat 21 of support 35 and relative positioning provided thereon, and support 35 determines with retaining mechanism relative position, and this Kato seat 21 is provided with and is conical cavity volume, and cavity volume end face has opening, and the diameter of this cavity volume is from top to bottom for gradually little; The cavity volume of Kato seat 21 just can be for conical guide part 222 combinations of this guiding cone.
Pass through said structure, union waiting 14 is lifted by hoisting machine together with its place propulsive mechanism integral body, fall to gradually in deep water, by this guiding cone 22, coordinate with mutual guiding and the contraposition of this Kato seat 21, this propulsive mechanism can be accurately incorporated on this Kato seat, make this propulsive mechanism can be fallen to docking location accurately.
As shown in Figure 1 or 2, further, in joint portion, 221 bottom surface periphery is provided with the slot 2210 combining with the opening periphery of this Kato seat 21, makes this guiding cone 22 and 21 energy exactitude position the combinations of Kato seat.
By aforementioned locking docking facilities, the butt-joint locking process of subaqueous pipe joint comprises:
Step (1): referring to Fig. 1-2, the propulsive mechanism integral hoisting that contains union 14 is transferred, Kato seat 21 contrapositions that arrange on the support 35 being positioned at are under water combined, this support 35 with contain the retaining mechanism relative positioning that is connected body 1, this Kato seat 21 has conical cavity volume, this propulsive mechanism has guiding cone 22, by guiding cone 22, can be reached guide-localization and coordinate with Kato seat 21;
This support 35 is relative fixing with the position of this retaining mechanism, and accurate guide-localization and the placement of vertically transferring position of pipeline propulsive mechanism can be provided; Kato seat 21 has conical cavity volume, and the guiding cone 22 and this cavity volume form fit of propulsive mechanism below, there is guide effect, make in transferring the whole process of settling this propulsive mechanism, can be by the feature of Kato seat 21, reach the effect of this propulsive mechanism and union 14 accurately being transferred to correct docking location, avoid the impact of the factors such as hull rocks, underwater current but union tilts, and is connected body collision to the problem generation damaging;
Support 35 of the present utility model is definite with retaining mechanism relative position, preferably, in this guiding trestle 35, be provided with an outer cylinder body bracket 24, and this outer cylinder body bracket 24 is located on support panel 25, can be for the outer cylinder body 2 in conjunction with supporting this retaining mechanism, therefore this retaining mechanism is also fixed on support 35.Cooperation by propulsive mechanism of the present utility model and support, the union of level docking can be transferred in integral hoisting, the guiding cone of union one end propulsive mechanism coordinates with the Kato seat of bracket institution, being connected body and all can being positioned on support 35 of the union to be connected that makes propulsive mechanism and retaining mechanism, and reach location alignment.
Step (2): referring to Fig. 2-3, provide hydraulic pressure to this propulsive mechanism, make this propulsive mechanism promote this union 14 and advance to this retaining mechanism, and dock with the body 1 that is connected of this retaining mechanism;
Propulsive mechanism is that this union 14 is as a whole with union outer cylinder body 15 assembling in advance, to lift under water, after propulsive mechanism is transferred to accurate location, can provide hydraulic pressure to propulsive mechanism, this propulsive mechanism is advanced union 14 horizontal orientations towards this retaining mechanism, alternative mechanical propulsion mode, avoid union 14 and be connected body 1 metallic packing ring 6 causing that collides with and damage, applicable to the darker depth of water, save docking time, improve merging precision and Butt sealing performance;
Step (3): referring to Fig. 3, provide hydraulic pressure to this retaining mechanism, a locking device of this retaining mechanism is started working, the pipe joint locking that this docking is completed, in precalculated position, completes whole butt-joint locking process.
Retaining mechanism of the present utility model also adopts fluid pressure type locking and release, very easy and be easy to automation and control, and avoids adopting that manipulator carries out that the activity time that mechanical lock brings is long, complicated operation and the large problem of controlled difficulty.
As shown in Figure 2, in a preferred embodiment of the present utility model, between the circumferential rib 141 of these union 14 evaginations and this union outer cylinder body inwall 15, O RunddichtringO being housed, is 2 O RunddichtringOs shown in figure, and the end of union 14 is also concaved with the annular groove 142 for this card tooth locking.
As shown in Figure 2, in a preferred embodiment of the present utility model, card tooth device 7 has two card teeth at least, and each blocks between tooth and links together with alignment pin and dish spring, alignment pin is located at each dish spring two ends and is positioned at card tooth inner, and making card tooth device 7 is a loop configuration.When card tooth device 7 outsides are subject to compressing and make, card tooth draws in and is locking shape to central authorities, and cancels compressing of this outside, and during reply nature, each blocks tooth and extends out, and makes card tooth device 7 be release shape.
As shown in Figure 2, in a preferred embodiment of the present utility model, can assembling between the circumferential rib 32 and this piston 3 of outer cylinder body 2, between the pushing and pressing part 33 of piston 3 first ends and the internal face of outer cylinder body 2 and between the joint ring 5 of piston 3 second ends and the internal face of this outer cylinder body 2 all device have O RunddichtringO 31.
As shown in Figure 2, in a preferred embodiment of the present utility model, the locking device of this retaining mechanism also comprises a support ring 8, this support ring 8 be sheathed on this outer cylinder body 2 inner and with these outer cylinder body 2 secure bond, this card tooth device 7 is held between this connection body 1 and this support ring 8, this support ring 8 is rotation combination with this outer cylinder body 2, by rotating the pretightning force of this this card tooth device 7 of support ring 8 capable of regulatings.This support ring 8 is connected to this card tooth 7 away from the one end that connects body 1, the Far Range that energy limited piston 3 moves.The common tubaeform guide frame that forms these union 14 exactitude positions of confession of medial surface of the internal face of this support ring 8 and this card tooth device 7.
As shown in Figure 2, in a preferred embodiment of the present utility model, in the pushing and pressing part 33 of piston 3 first ends and the annular seal space of these circumferential rib 32 formation, be also equipped with second joint ring 4, these the second joint ring 4 both sides respectively with this piston 3 and this outer cylinder body 2 inwall butts, in between this second joint ring 4 and circumferential rib 32, be also communicated with a secondary unlocking hydraulic channel, this secondary unlocking hydraulic channel connects release oil pipe socket 11.The effect of this second joint ring 4 is, when between this pushing and pressing part 33 and this outer cylinder body sidewall during seal failure, can, by opening release oil pipe socket 11, make to be full of hydraulic pressure between the second joint ring 4 and circumferential rib 32, promote piston 3 and leave card tooth 7 outsides, reach the object of release.Between this second joint ring 4 and this piston 3 and between this second joint ring 4 and this outer cylinder body 2 inwalls, be all equipped with O RunddichtringO 31.
Above-described embodiment is only for the invention example is clearly described, and the not restriction to the invention specific embodiment.For the syntagmatic of each parts is clearly described, above various illustrative parts and annexation thereof have been carried out usually describing around its function, combination as for this parts is to realize which kind of function, depends on specific application and the design constraint that whole device is applied.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.All any apparent variations of being extended out within the spirit and principles in the present invention or change are still among the protection domain in the invention claim.
Claims (8)
1. the horizontal butt-joint locking device of hydraulic control submarine pipeline, it comprises: a retaining mechanism, a propulsive mechanism and a bracket institution; This propulsive mechanism is for advancing a union to this retaining mechanism; Wherein:
This retaining mechanism comprises that one connects body and a locking device, this connection body center is petroleum pipeline, this locking device is located at this connection body outside, and this locking device is subject to hydraulic control, can form the pipe joint locking of docking or unclamp be connected body with this;
This propulsive mechanism comprises: a union and a union outer cylinder body, and it is outside that this union outer cylinder body is sheathed on this union, between this union outer wall and this outer cylinder body inwall, can form at least two annular seal spaces, and described annular seal space is connected with hydraulic channel; While adding hydraulic pressure in an annular seal space wherein, can promote this union relatively this union outer cylinder body to this retaining mechanism one side shifting, make the butt end of this union approach this connection body; Otherwise, while adding hydraulic pressure to another annular seal space, can promote relative this union outer cylinder body of this union in contrast to this retaining mechanism one side shifting, make the butt end of this union connect body away from this;
This bracket institution comprises: a support and a Kato seat, this support and this retaining mechanism relative position are fixed, this Kato seat is located on this support, when this propulsive mechanism is lowered landing, this propulsive mechanism can contraposition and is incorporated on this Kato seat, and this propulsive mechanism is lowered to docking location accurately together with the union on it.
2. the horizontal butt-joint locking device of hydraulic control submarine pipeline according to claim 1, is characterized in that, this Kato seat is provided with and is conical cavity volume, and cavity volume end face has opening, and the diameter of this cavity volume is from top to bottom for gradually little;
This propulsive mechanism also comprises a guiding cone, top and this union outer cylinder body secure bond of this guiding cone, the combination that matches of the cavity volume of this guiding circular cone physical efficiency and this Kato seat.
3. the horizontal butt-joint locking device of hydraulic control submarine pipeline according to claim 2, it is characterized in that, this guiding cone comprises a joint portion and a guide part, this binding site is in this guide part top, be used in conjunction with this union outer cylinder body, this guide part is that this cone is incorporated into this Kato seat by the downward extended cone in this joint portion.
4. the horizontal butt-joint locking device of hydraulic control submarine pipeline according to claim 1, it is characterized in that, this union outer wall is convexly equipped with formation circumferential rib, the two ends of this union outer cylinder body form sealing with the outer wall of this union respectively, by the circumferential rib of this evagination, make to form described annular seal space between the two ends of this union outer cylinder body and the circumferential rib of this evagination.
5. the horizontal butt-joint locking device of hydraulic control submarine pipeline according to claim 4, it is characterized in that, this union outer cylinder body is head end towards one end of this retaining mechanism, and this head end seals by a ring body and this union outer wall, and this ring body and this union outer cylinder body are structure as a whole; This union outer cylinder body is tail end away from one end of this retaining mechanism, and a thread seal ring of this tail end inner side assembling, by this thread seal ring and the sealing of this union outer wall.
6. according to the horizontal butt-joint locking device of the hydraulic control submarine pipeline described in claim 4 or 5, it is characterized in that, between the circumferential rib of this union evagination and this union outer cylinder body inwall, O RunddichtringO is housed, and this union is concaved with the annular groove for the locking device clamping combination of this retaining mechanism towards the end of this retaining mechanism.
7. the horizontal butt-joint locking device of hydraulic control submarine pipeline according to claim 1, it is characterized in that, the connection body of this retaining mechanism, this connection body hoop is convexly equipped with a shoulder, the petroleum pipeline of this connection body center is communicated to the petroleum pipeline that production tree connects body, this connection body is arranged with an inner chamber towards one end of this propulsive mechanism, is equipped with metal sealing steel ring in this inner chamber, and this metal sealing steel ring is for docking with this pipe seal;
This locking device comprises an outer cylinder body, a piston and a card tooth device; Wherein this card tooth device is assemblied in this connection body towards one end of this propulsive mechanism; This outer cylinder body is sheathed on the outside of this connection body, between this outer cylinder body inwall, this shoulder and this connection body outer wall, forms a sliding cavity; It is inner that this piston is located at this sliding cavity, and the outer wall that can be close to this connection body slidably reciprocates, when this piston moves to the outside of this card tooth device, can apply squeezing action to card tooth device, the tooth that respectively blocks of this card tooth device is drawn in to central authorities, realize the locking to this union; Otherwise when piston blocks the outside of tooth device away from this, card tooth is the state that naturally extends out, and realizes the release to this union; Wherein between this piston and this sliding cavity, can form at least two annular seal spaces, one of them annular seal space connects a locking hydraulic channel, and another annular seal space connects a unlocking hydraulic pressure passage.
8. the horizontal butt-joint locking device of hydraulic control submarine pipeline according to claim 7, it is characterized in that, the locking device of this retaining mechanism also comprises a support ring, this support ring be sheathed on this outer cylinder body inner and with this outer cylinder body secure bond, this card tooth device is held between this connection body and this support ring, this support ring and this outer cylinder body are rotation combination, the common tubaeform guide frame that forms this union exactitude position of confession of medial surface of the internal face of this support ring and this card tooth device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420195679.XU CN203822269U (en) | 2014-04-22 | 2014-04-22 | Hydraulic control horizontal butting and locking device of underwater pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420195679.XU CN203822269U (en) | 2014-04-22 | 2014-04-22 | Hydraulic control horizontal butting and locking device of underwater pipeline |
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| CN203822269U true CN203822269U (en) | 2014-09-10 |
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| CN201420195679.XU Withdrawn - After Issue CN203822269U (en) | 2014-04-22 | 2014-04-22 | Hydraulic control horizontal butting and locking device of underwater pipeline |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967454A (en) * | 2014-04-22 | 2014-08-06 | 美钻能源科技(上海)有限公司 | Hydraulic control underwater pipeline horizontal docking and locking device and docking and locking method thereof |
| CN105781501A (en) * | 2016-05-05 | 2016-07-20 | 哈尔滨工程大学 | Rapid butt joint mechanism of oil path of seabed petroleum pipeline |
| CN108049826A (en) * | 2018-01-30 | 2018-05-18 | 中国海洋石油集团有限公司 | A kind of underwater horizontal connector pressure cap device |
| CN108747972A (en) * | 2018-06-13 | 2018-11-06 | 黄月涛 | A kind of tool extension rod device |
| CN112648537A (en) * | 2020-12-31 | 2021-04-13 | 苏州联点数据技术有限公司 | Induction system |
| CN112782248A (en) * | 2020-12-31 | 2021-05-11 | 苏州联点数据技术有限公司 | Sensing system |
| CN112833930A (en) * | 2020-12-31 | 2021-05-25 | 苏州联点数据技术有限公司 | Multifunctional sensing device |
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2014
- 2014-04-22 CN CN201420195679.XU patent/CN203822269U/en not_active Withdrawn - After Issue
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967454A (en) * | 2014-04-22 | 2014-08-06 | 美钻能源科技(上海)有限公司 | Hydraulic control underwater pipeline horizontal docking and locking device and docking and locking method thereof |
| CN103967454B (en) * | 2014-04-22 | 2016-08-17 | 美钻能源科技(上海)有限公司 | A kind of hydraulic control submarine pipeline horizontal butt-joint locking device and butt-joint locking method |
| CN105781501A (en) * | 2016-05-05 | 2016-07-20 | 哈尔滨工程大学 | Rapid butt joint mechanism of oil path of seabed petroleum pipeline |
| CN108049826A (en) * | 2018-01-30 | 2018-05-18 | 中国海洋石油集团有限公司 | A kind of underwater horizontal connector pressure cap device |
| CN108747972A (en) * | 2018-06-13 | 2018-11-06 | 黄月涛 | A kind of tool extension rod device |
| CN112648537A (en) * | 2020-12-31 | 2021-04-13 | 苏州联点数据技术有限公司 | Induction system |
| CN112782248A (en) * | 2020-12-31 | 2021-05-11 | 苏州联点数据技术有限公司 | Sensing system |
| CN112833930A (en) * | 2020-12-31 | 2021-05-25 | 苏州联点数据技术有限公司 | Multifunctional sensing device |
| CN112833930B (en) * | 2020-12-31 | 2022-10-11 | 陕西拓普索尔电子科技有限责任公司 | Multifunctional sensing device |
| CN112782248B (en) * | 2020-12-31 | 2022-12-13 | 东莞市雍华昊信息技术有限公司 | Sensing system |
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