CN110131493A - A kind of clamp-press type submarine pipeline connector of circumferential direction reinforcement - Google Patents
A kind of clamp-press type submarine pipeline connector of circumferential direction reinforcement Download PDFInfo
- Publication number
- CN110131493A CN110131493A CN201910358166.3A CN201910358166A CN110131493A CN 110131493 A CN110131493 A CN 110131493A CN 201910358166 A CN201910358166 A CN 201910358166A CN 110131493 A CN110131493 A CN 110131493A
- Authority
- CN
- China
- Prior art keywords
- reinforcement
- clamp
- shell
- press type
- submarine pipeline
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/14—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling
- F16L13/16—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling the pipe joint consisting of overlapping extremities having mutually co-operating collars
- F16L13/161—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling the pipe joint consisting of overlapping extremities having mutually co-operating collars the pipe or collar being deformed by crimping or rolling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/14—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling
- F16L2013/145—Tools specially adapted therefor
Abstract
The present invention provides a kind of clamp-press type submarine pipeline connector of circumferential reinforcement, including connector shell, pressure rings, matrix, four part of clamping screw composition.The shell is hollow barrel-type, is equipped with one of annular groove on the outside of middle part, matches for patent of invention " fastening means of clamp-press type mechanical connector ", and the present invention when in use need to be by axial clamping force needed for tool offer；There is one of annular convex shoulder in the middle part of the case inside, positioning when for described matrix installation；Multiple tracks oriented reinforcement slot is opened up on the inner surface of the shell two sides, for guiding the pressure rings axial-rotation, while having boosting function；On the outer surface of the shell two sides, 3 locking screw keyholes are respectively evenly distributed, for preventing connector internal structure from surprisingly loosening in use.The present invention compares the cartridge connection device along axial reinforcement, realizes the reinforcement function that rotates in a circumferential direction, and the axial disturbance that pipeline has been isolated directly affects connector construction.
Description
Technical field
The present invention relates to a kind of assembling pipe joint more particularly to a kind of clamp-press type submarine pipeline connections of circumferential reinforcement
Device belongs to submarine pipeline field of connectors.
Background technique
Submarine pipeline connector is widely used in installation or repairs sea-bottom oil-gas pipeline.The connection method of pipeline is main at present
Have: welding, Bolted Flanged Connection, clamp connection, claw connection, card pressure connection etc., wherein cartridge connection is a kind of new company
Mode is connect, highly efficient compared with other modes, reliable, structure is more compact.
Existing technologies disadvantage:
Current cartridge connection device is all made of the cuniform increase power mechanism with axial movement to realize connection and sealing.Invention
Patent " Detachable pipe connector " (patent of invention 201610115655.2) presses connector as a kind of typical card, is
Compression connector matrix must sequentially design multiple wedge-shaped conical surfaces along axial direction, therefore the stroke for squeezing reinforcement is very long；In addition, peace
During dress, the extruding contact surface of formation is the circumferentially narrow endless belt being axially moveable, the connector base that should be extruded in the process
Body axially loaded is uneven, easily leads to the external pressure unstability for being squeezed laminated structure, the risk for having axial twist to deform.
Summary of the invention
The purpose of the invention is to provide a kind of circumferential reinforcement that cuniform increase power effect is realized by the mode of rotating in a circumferential direction
Clamp-press type submarine pipeline connector.
The object of the present invention is achieved like this: the matrix including shell, pressure rings and tube contacts, pressure rings are located at
Between matrix and shell, the shell is the symmetrical hollow barrel-type structure on the basis of middle position, and in shell
Middle position outer surface be provided with annular groove, inner surface is provided with annular convex shoulder, the inner surface at shell both ends is respectively provided with
There is oriented reinforcement slot, locking screw keyhole is respectively arranged on two side external surface of shell, the pressure rings and matrix have two
A and be symmetrical arranged the left and right sides inside housings, one end of each matrix contacts with annular convex shoulder, the outer surface of the other end
It is provided with reinforcement tooth, the inner surface of each pressure rings is provided with the reinforcement tooth socket of reinforcement tooth cooperation, outer surface is provided with and tilts
It is oriented to the oriented boss of reinforcement slot cooperation, the outer surface of each pressure rings is additionally provided with locking corresponding with locking screw keyhole
Blind hole is provided with clamping screw in locking screw keyhole and locking blind hole.
The invention also includes structure features some in this way:
1. the sealing ring of annular protrusion is evenly equipped with along axial direction on the inner surface ipsilateral with reinforcement tooth of matrix；In the base
Intracorporal surface is additionally provided with the together support ring parallel with the sealing ring.
2. locking screw keyhole, locking blind hole and clamping screw it is equal there are three, circumferential direction is equally spaced.
3. the groove bottom shape of the oriented reinforcement slot is the inclination by a groove bottom for parallelogram cambered surface
Reinforcement slot section is formed by stacking with the axially directed slot section that groove bottom is rectangle cambered surface.
4. the facewidth direction of the reinforcement tooth be along axial direction, and the one side of reinforcement tooth be concave arc inclined-plane, the other side
For inclined-plane.
5. the support ring section is rectangle, the sealing ring section is triangle.
Compared with prior art, the beneficial effects of the present invention are: the present invention compares the cartridge connection device along axial reinforcement,
The reinforcement function that rotates in a circumferential direction is realized, the axial disturbance that pipeline has been isolated directly affects connector construction；The present invention is in week
The force-increasing mechanism of second level is constituted to the concave arc inclined-plane by oriented reinforcement groove sidewall, reinforcement tooth；Second level of the invention increases
Force mechanisms substantially alleviate the Caton phenomenon in existing cartridge connection device connection procedure；Secondary reinforcement mechanism of the invention is equal
Keep the axial movement stroke of pressure rings shorter, compared to the cartridge connection device of only level-one axial direction reinforcement structure, reduces connection
The load time of equipment；Sealing ring of the invention realizes sealing and anchoring function to pipeline simultaneously.
Detailed description of the invention
Fig. 1 a is the schematic diagram of internal structure of present invention preparation installation condition, and Fig. 1 b is that the structure in the direction A-A of Fig. 1 a is shown
It is intended to；Fig. 1 c, Fig. 1 d, Fig. 1 e are the partial enlargement diagram of I, II, III respectively.
Fig. 2 a is the schematic diagram of internal structure that the present invention is installed state, and Fig. 2 b is that the structure in the direction B-B of Fig. 2 a is shown
It is intended to；Fig. 2 c, Fig. 2 d, Fig. 2 e are the partial enlargement diagram of IV, V, VI respectively.
Fig. 3 is the three-dimensional structure cross-sectional view of present invention preparation installation condition.
Fig. 4 is the three-dimensional structure cross-sectional view that the present invention is installed state.
Fig. 5 is shell three dimensional sectional view.
Fig. 6 a and Fig. 6 b are respectively housing interior structure schematic diagram, oriented reinforcement slot slot bottom schematic shapes.
Fig. 7 a- Fig. 7 c is pressure rings structural schematic diagram one, two, three.
Fig. 8 a- Fig. 8 c is base structure schematic diagram one, two, three.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing.
In conjunction with Fig. 1 a to Fig. 8 c, connector of the invention is symmetrical structure.Including connector shell, pressure rings, matrix, lock
Tight four part of bolt composition.
The shell is hollow barrel-type, is equipped with one of annular groove on the outside of middle part, " clamp-press type machinery connects for patent of invention
Connect the fastening means of device " (patent No.: 201310276554.X) match, and the present invention need to provide institute by the tool when in use
The axial clamping force needed；There is one of annular convex shoulder in the middle part of the case inside, positioning when for described matrix installation；The shell
Multiple tracks oriented reinforcement slot is opened up on the inner surface of body two sides, for guiding the pressure rings axial-rotation, while having reinforcement
Effect；On the outer surface of the shell two sides, 3 locking screw keyholes are respectively evenly distributed, for preventing in use
Connector internal structure surprisingly loosens.
The pressure rings are hollow barrel-type, and the connector needs 2 pressure rings altogether.The outside wall surface week of each pressure rings
To be equipped with can with the oriented reinforcement slot cooperate oriented boss；The inner surface of the pressure rings, circumferentially
It is uniformly arranged reinforcement tooth socket, slot direction is along the axial direction of the shell, and the reinforcement tooth socket is through pressure rings both sides of the face；Institute
It states pressure rings and circumferentially offers locking blind hole corresponding with the locking screw keyhole, it is described at the end of connector connection
Pressure rings are simultaneously rotated completion, and the axis of the locking blind hole is conllinear with the axis coaxle of the locking screw keyhole.
Described matrix is hollow barrel-type, and the connector needs 2 matrixes altogether.One end of described matrix is tubular, can be with
The annular convex shoulder location fit of the shell, and be fixedly connected by welding manner with the shell using preceding；Described matrix
The outer surface of the other end is evenly distributed reinforcement tooth；On the inner surface ipsilateral with reinforcement tooth of described matrix, along matrix axial direction
The sealing ring of uniformly distributed multiple tracks annular protrusion；Surface in described matrix is additionally provided with 1 support ring parallel with the sealing ring,
For with the common supporting pipeline of the sealing ring.
Rotation in advance is screwed into the locking screw keyhole before the clamping screw installation, but screws in smaller depth, is guaranteed
The clamping screw does not contact the pressure rings.After completing connection, continues to rotate the clamping screw by underwater robot, make
Bolt end enters the locking blind hole to be prevented in use to secure the relative position of pressure rings and shell, institute
Pressure rings are stated since the environmental factors such as vibration reversely rotate, lead to Joint failure.
The groove bottom shape of the oriented reinforcement slot is increased by the inclination that a groove bottom is parallelogram cambered surface
Power slot section and groove bottom are that the axially directed slot section of rectangle cambered surface is formed by stacking, and the groove bottom of both slot sections is coplanar；
The axially directed slot section is identical as the inclination reinforcement slot segment number.The effect of the axially directed slot section is to make
When pressure rings assembly in the pre-connection, the designated depth that can directly be axially inserted between the shell and described matrix
Position avoids reinforcement tooth socket described in assembling process and the reinforcement tooth phase without rotating along the inclination reinforcement slot section
Rotation is interfered.
Tilt angle between the oriented reinforcement slot and the shell axial direction, according to the pressure rings connection procedure
The middle angle that need to be rotated and the stroke of pressure rings axial movement are computed determination, and the tilt angle described in the pipeline of different size is not
The pressure rings are exactly in the reinforcement tooth quilt after the oriented reinforcement slot rotation when together, to guarantee that connection is completed
The position compressed.The locking screw keyhole is tapped through hole, and position of opening is staggered with the oriented reinforcement groove location,
To make the hole wall of the locking screw keyhole have maximum gauge.The intensity of the pressure ring material is greater than the strong of described matrix material
Degree, deformation occurs for the reinforcement tooth socket during the connection process.Along axial direction, one side is recessed circle in the facewidth direction of the reinforcement tooth
Arc inclined-plane can play boosting function with the reinforcement tooth socket fit；The other side is inclined-plane, is used for circumferentially positioned effect.The reinforcement
The axial length of tooth socket is greater than the axial length of the reinforcement tooth, during so that pressure rings is moved axially and is rotated, reinforcement tooth
Always in reinforcement tooth socket.The locking blind hole does not penetrate described matrix barrel, in order to avoid influence the boosting function of the reinforcement tooth；
The support ring section is rectangle, and the annular protrusion of multistage is circumferentially divided into for a circle, and the purpose of segmentation is to mitigate radial contraction
When ring portion internal stress.The sealing ring section is triangle；By being embedded into pipe surface after connection, while realizing pair
The anchoring of pipeline and sealing function.The pressure rings, the shell material hardness be all larger than described matrix hardness, connection procedure
Described in matrix radial contraction integrally occurs, and deformation occurs for the other structures of the connector.
Connector of the invention is symmetrical structure, therefore below by taking device right half part as an example, illustrates installation process and close
Seal principle.
Before connector enters water, following preparation is carried out: as shown in Fig. 1 a- Fig. 1 e, first matrix 4 being inserted into shell 1,
Cooperate with the annular convex shoulder 12 of shell；Again by the oriented of every oriented boss 18 alignment enclosure interior of pressure rings 3
The right side notch of the axially directed slot section 17 of reinforcement slot 14, while reinforcement tooth socket 20 being matched with the reinforcement tooth 21 of matrix, with
After upper part is aligned, directly pressure rings are axially inserted between matrix and shell, until oriented boss and inclination increase
Until the side wall 15 of power slot section 16 contacts.The designated depth in locking screw keyhole 13 of clamping screw 2 is screwed manually, to connect
It is further screwed after the completion to lock pressure rings.Finally matrix is fixedly connected with shell by welding manner.Connector at this time
The relative position state of internal structure is as shown in Fig. 1 b and Fig. 3.
Underwater connection procedure: being first integrally put into down water for connector, adjusts connector position for the connected pipe 5 at both ends
It is inserted into connector predetermined interior position.The fastening means of clamp-press type pipe jointer is chimeric with the annular groove 9 on shell,
Instrument start-up pusher dynamic pressure ring is moved along the axial of shell into shell, because of the oriented plateau sidewall of pressure rings before connection
It is bonded with oriented reinforcement groove sidewall, so being forced along oriented reinforcement slot while pressure rings move axially
Side walls, to make pressure rings that axial movement occur relative to shell and rotate in a circumferential direction, until pressure rings are pressed completely into
Shell, shell end face 10 are overlapped with pressure rings end face 11, and connection is completed at this time, and at this moment the relative position of connector internal structure is such as
Shown in Fig. 2 b and Fig. 4.
There are two-stage boosting functions in underwater connection procedure: oriented reinforcement slot realizes the axial direction of hydraulic clamp tool
Clamping force is converted into the first order boosting function of the power that rotates in a circumferential direction of pressure rings；Second level boosting function are as follows: because of the increasing of pressure rings
Power tooth socket is moved axially and is rotated relative to matrix, i.e., each reinforcement tooth socket will be along the oblique cunning in concave arc inclined-plane 6 of corresponding reinforcement tooth
It moves (position that reinforcement tooth socket is moved to Fig. 2 c by the position Fig. 1 c), concave arc inclined-plane generates the reinforcement along shell radial direction during being somebody's turn to do
Effect, and gradually increased by small, help steadily to block and press and avoid Caton, the power that rotates in a circumferential direction that this process realizes pressure rings turns
Turn to the second level boosting function of the radial compression force of matrix.
The sealing anchoring process connected under water: the reinforcement tooth of matrix is because making base by the radial compressing for carrying out self energizing effort tooth socket
Radial contraction integrally occurs for body, therefore the sealing ring 8 of base inner surface is embedded into connected pipe surface (as shown in Figure 2 e),
Support ring 7 also fits closely (as shown in Figure 2 d) with pipe surface simultaneously.The insertion of sealing ring is realized to connected pipe
Sealing and axial anchoring effect.Support ring and the common supporting pipeline of sealing ring, prevent pipeline opposing connector from rocking, cause
Sealing and anchoring failure at sealing ring.
Operation at the end of connection: fastening means is removed, and screws the locking blind hole 19 of whole clamping screws to pressure rings
It is interior, prevent pressure rings in use process from surprisingly transferring.Connection is completed at this time, and connector state is as shown in Fig. 2 b and Fig. 4.
Claims (10)
1. a kind of clamp-press type submarine pipeline connector of circumferential direction reinforcement, the matrix including shell, pressure rings and tube contacts, pressure
Power ring is located between matrix and shell, it is characterised in that: the shell is in symmetrical on the basis of middle position
Empty tubular construction, and the middle position outer surface of shell is provided with annular groove, inner surface is provided with annular convex shoulder, shell two
The inner surface of end is provided with oriented reinforcement slot, and locking screw keyhole is respectively arranged on two side external surface of shell, described
Pressure rings and matrix it is equal there are two and be symmetrical arranged the left and right sides inside housings, one end of each matrix and annular convex shoulder
Contact, the other end outer surface be provided with reinforcement tooth, the inner surface of each pressure rings be provided with the cooperation of reinforcement tooth reinforcement tooth socket,
Outer surface is provided with the oriented boss with the cooperation of oriented reinforcement slot, and the outer surface of each pressure rings is additionally provided with and locks
The corresponding locking blind hole of tight bolt hole is provided with clamping screw in locking screw keyhole and locking blind hole.
2. a kind of clamp-press type submarine pipeline connector of circumferential reinforcement according to claim 1, it is characterised in that: in matrix
The inner surface ipsilateral with reinforcement tooth on the sealing ring of annular protrusion is evenly equipped with along axial direction；Surface in described matrix is additionally provided with
The together support ring parallel with the sealing ring.
3. a kind of clamp-press type submarine pipeline connector of circumferential reinforcement according to claim 2, it is characterised in that: locking screw
Keyhole, locking blind hole and clamping screw it is equal there are three, circumferential direction is equally spaced.
4. a kind of clamp-press type submarine pipeline connector of circumferential reinforcement according to claim 1 or 2 or 3, it is characterised in that:
The groove bottom shape of the oriented reinforcement slot be by a groove bottom be parallelogram cambered surface inclination reinforcement slot section with
Groove bottom is that the axially directed slot section of rectangle cambered surface is formed by stacking.
5. a kind of clamp-press type submarine pipeline connector of circumferential reinforcement according to claim 1 or 2 or 3, it is characterised in that:
The facewidth direction of the reinforcement tooth is along axial direction, and the one side of reinforcement tooth is concave arc inclined-plane, the other side is inclined-plane.
6. a kind of clamp-press type submarine pipeline connector of circumferential reinforcement according to claim 4, it is characterised in that: the increasing
The facewidth direction of power tooth is along axial direction, and the one side of reinforcement tooth is concave arc inclined-plane, the other side is inclined-plane.
7. a kind of clamp-press type submarine pipeline connector of circumferential reinforcement according to claim 2 or 3, it is characterised in that: institute
Stating support ring section is rectangle, and the sealing ring section is triangle.
8. a kind of clamp-press type submarine pipeline connector of circumferential reinforcement according to claim 4, it is characterised in that: the branch
Pushing out ring section is rectangle, and the sealing ring section is triangle.
9. a kind of clamp-press type submarine pipeline connector of circumferential reinforcement according to claim 5, it is characterised in that: the branch
Pushing out ring section is rectangle, and the sealing ring section is triangle.
10. a kind of clamp-press type submarine pipeline connector of circumferential reinforcement according to claim 6, it is characterised in that: described
Support ring section is rectangle, and the sealing ring section is triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358166.3A CN110131493B (en) | 2019-04-30 | 2019-04-30 | Circumferential force-increasing clamping and pressing type submarine pipeline connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358166.3A CN110131493B (en) | 2019-04-30 | 2019-04-30 | Circumferential force-increasing clamping and pressing type submarine pipeline connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110131493A true CN110131493A (en) | 2019-08-16 |
| CN110131493B CN110131493B (en) | 2020-11-03 |
Family
ID=67575639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910358166.3A Active CN110131493B (en) | 2019-04-30 | 2019-04-30 | Circumferential force-increasing clamping and pressing type submarine pipeline connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110131493B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762302A (en) * | 2019-09-26 | 2020-02-07 | 哈尔滨工程大学 | Hydraulically-driven circumferential clamping type submarine pipeline connector |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1209518A (en) * | 1997-08-23 | 1999-03-03 | 弗利亚特克公司 | Plug-in type adaptor |
| DE19958102C1 (en) * | 1999-12-02 | 2001-02-08 | Selck Gmbh & Co Kg | Pressure-sealed coupling for pipes has a coupling sleeve with inner teeth covered by a pressure ring and end press rings which force the teeth by inner projections against the pipe surface with min pressure |
| CN103331596A (en) * | 2013-07-03 | 2013-10-02 | 中国海洋石油总公司 | Connecting tool of clamping and pressing mechanical connector |
| CN203533027U (en) * | 2013-10-25 | 2014-04-09 | 王仁海 | Pipe connector |
| CN104763855A (en) * | 2015-02-28 | 2015-07-08 | 美钻能源科技(上海)有限公司 | Adjustable pipe connection device |
| CN105318119A (en) * | 2015-11-13 | 2016-02-10 | 哈尔滨工程大学 | Hydraulically-driven underwater connector |
| CN205424098U (en) * | 2016-03-01 | 2016-08-03 | 哈尔滨工程大学 | Novel submarine pipeline connector |
| DE102015016610A1 (en) * | 2015-12-22 | 2017-06-22 | Transitron Handels-Gmbh | pipe connectors |
| KR20180023512A (en) * | 2016-08-26 | 2018-03-07 | 주식회사 메가조인트 | Pipe connection apparatus and pipe connection method |
| CN109595408A (en) * | 2018-11-29 | 2019-04-09 | 哈尔滨工程大学 | Screw-in pipe jointer |
-
2019
- 2019-04-30 CN CN201910358166.3A patent/CN110131493B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1209518A (en) * | 1997-08-23 | 1999-03-03 | 弗利亚特克公司 | Plug-in type adaptor |
| DE19958102C1 (en) * | 1999-12-02 | 2001-02-08 | Selck Gmbh & Co Kg | Pressure-sealed coupling for pipes has a coupling sleeve with inner teeth covered by a pressure ring and end press rings which force the teeth by inner projections against the pipe surface with min pressure |
| CN103331596A (en) * | 2013-07-03 | 2013-10-02 | 中国海洋石油总公司 | Connecting tool of clamping and pressing mechanical connector |
| CN203533027U (en) * | 2013-10-25 | 2014-04-09 | 王仁海 | Pipe connector |
| CN104763855A (en) * | 2015-02-28 | 2015-07-08 | 美钻能源科技(上海)有限公司 | Adjustable pipe connection device |
| CN105318119A (en) * | 2015-11-13 | 2016-02-10 | 哈尔滨工程大学 | Hydraulically-driven underwater connector |
| DE102015016610A1 (en) * | 2015-12-22 | 2017-06-22 | Transitron Handels-Gmbh | pipe connectors |
| CN205424098U (en) * | 2016-03-01 | 2016-08-03 | 哈尔滨工程大学 | Novel submarine pipeline connector |
| KR20180023512A (en) * | 2016-08-26 | 2018-03-07 | 주식회사 메가조인트 | Pipe connection apparatus and pipe connection method |
| CN109595408A (en) * | 2018-11-29 | 2019-04-09 | 哈尔滨工程大学 | Screw-in pipe jointer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762302A (en) * | 2019-09-26 | 2020-02-07 | 哈尔滨工程大学 | Hydraulically-driven circumferential clamping type submarine pipeline connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110131493B (en) | 2020-11-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3216746A (en) | Sealing ring coupling | |
| US5920035A (en) | High pressure seal | |
| US20180292033A1 (en) | Sealing material and joint | |
| US11725759B2 (en) | Pipe element having wedging groove | |
| CN1068106C (en) | Quick connect/disconnect coupling, together with method and device for its asssembly | |
| US5431459A (en) | Band with slotted wedge cams | |
| US20030196472A1 (en) | Portable hydraulic crimping tool | |
| KR20140022076A (en) | Cylinder device with force multiplication mechanism | |
| CN108180345A (en) | The lock sealing device of non-stop plugging pipe clamp | |
| US8376413B2 (en) | Connection device | |
| CN110131493A (en) | A kind of clamp-press type submarine pipeline connector of circumferential direction reinforcement | |
| GB2218166A (en) | Jacking pipe seals | |
| US4993720A (en) | Self-sealing mechanical seal gland for pumps and other machinery | |
| CN111998139A (en) | Wedge type pressure expansion type pipeline plugging device | |
| KR100334542B1 (en) | Pipe connector | |
| US20130145929A1 (en) | Hydrostatic radial piston machine | |
| CA2473001A1 (en) | Stator for an eccentric screw pump or an eccentric worm motor operating on the moineau principle | |
| IE78622B1 (en) | Locked pipe fitting with composite seal assembly | |
| CN109595408A (en) | Screw-in pipe jointer | |
| CN110199148A (en) | Seal assembly | |
| CN216046037U (en) | Tap water pipe joint structure | |
| CN110107749A (en) | A kind of detachable submarine pipeline connector | |
| US4204740A (en) | Connector coupling ring retainer apparatus and electrical connector assembly retaining means | |
| CN106795987B (en) | Tube connector | |
| JPH0960488A (en) | Connecting structure for segment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |