CN103962822A - Tool for replacing metal sealing steel ring underwater - Google Patents
Tool for replacing metal sealing steel ring underwater Download PDFInfo
- Publication number
- CN103962822A CN103962822A CN201410216716.5A CN201410216716A CN103962822A CN 103962822 A CN103962822 A CN 103962822A CN 201410216716 A CN201410216716 A CN 201410216716A CN 103962822 A CN103962822 A CN 103962822A
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- China
- Prior art keywords
- metal sealing
- steel ring
- sealing steel
- ring
- under water
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- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention provides a tool for replacing a metal sealing steel ring underwater. The tool for replacing the metal sealing steel ring underwater comprises a body, transverse guide rods, longitudinal guide rods, stop pins and a guide ring, wherein an elastic clamping ring is fixedly assembled at the top end of the body upwards and used for fixing the metal sealing steel ring, multiple pistons are downward connected to the top end of the body, and multiple horizontal cavities which are distributed symmetrically and communicated with the outside are formed in the lower portion of the body; one end of each transverse guide rod is located in the corresponding horizontal cavity of the body and is connected with a spring, the springs push the transverse guide rods to move in the horizontal cavities, a hook is installed at the other end of each transverse guide rod, the end, provided with the corresponding hook, of each transverse guide rod is locked through a locking piece, and arc-shaped grooves are formed in the side walls of the transverse guide rods; each longitudinal guide rod is located on the side, with the corresponding arc-shaped groove, of the corresponding transverse guide rod, the top end of each longitudinal guide rod is connected to a spring, the springs drive the longitudinal guide rods to move vertically, limiting grooves are formed in the side walls of the portions, below the springs, of the longitudinal guide rods, and arc-shaped grooves are formed in the lower portions of the longitudinal guide rods; one end of each stop pin is fixed to the side wall of the body, the other end of each stop pin is arranged in the corresponding limiting groove in an abutting mode; the guide ring is fixed to the lower portion of the body, and the top end of the guide ring is located outside the horizontal cavities.
Description
Technical field
The present invention relates to a kind of metal sealing steel ring and change instrument under water, specifically, relate to for oil exploration equipment under water the instrument of replacing under water of oil and gas pipes docking facilities end metal sealing steel ring.
Background technology
Oil production equipment is the important device of oil exploitation under water under water, and these relate to a large amount of pipeline docking in oil production equipment under water.Metal sealing steel ring is that the main sealing mechanism that end connects is put in docking, owing to easily colliding with and causing seal failure in installation process under water, need to change the metal sealing steel ring losing efficacy.
In changing the prior art of metal sealing steel ring, complete equipment need to be left the water, by operating personnel, manually metal sealing steel ring is changed, then be lowered to and carry out underwater mating, installation, waste a large amount of activity durations, increased high operating cost.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of metal sealing steel ring and changes instrument under water, and the metal sealing steel ring that can realize between Underwater Docking Device is changed, and saves complete equipment and takes out and send back to the time, improves installation effectiveness, reduces installation cost; And on instrument, be designed with damper piston, can improve the success rate of underwater mating.
For achieving the above object, the invention provides a kind of metal sealing steel ring and change instrument under water, it comprises: body, described body top is fixing assembling snap ring upwards, described snap ring is for fixing metal ring gasket, described body top connects a plurality of pistons downwards, and described body bottom is provided with a plurality of horizontal cavity symmetrical and that be communicated with outside; Many laterally steering bars, described laterally steering bar one end is positioned at the horizontal cavity of described body, this end linking springs, described spring promotes described laterally steering bar and moves in described horizontal cavity, the described laterally steering bar other end is installed hook, and locked by locking member, described laterally steering bar sidewall is provided with arc groove; Many longitudinally guiding bars, described longitudinally guiding bar is in arc groove one side of described laterally steering bar, the top linking springs of described longitudinally guiding bar, it is vertically mobile that described spring drives described longitudinally guiding bar to do, the sidewall of the described longitudinally guiding bar of described spring below is provided with stopper slot, and the bottom of described longitudinally guiding bar is provided with arc groove; Many spacer pins, described spacer pin one end is fixed on described body sidewall, and the described spacer pin other end withstands in the stopper slot of described longitudinally guiding bar; Guide ring, described guide ring is fixed on described body bottom, and described guide ring top is in the outside of described horizontal cavity.
Preferably, described snap ring comprises some symmetrical card tooth and pedestals, and extend laterally on described card tooth top, and described card tooth bottom connects described pedestal.
Preferably, the connected mode between described snap ring and described metal sealing steel ring is elasticity interference fit.
Preferably, a plurality of described pistons are symmetrically distributed in the downward inside cavity in described body top, and the cavity bottom of described piston is provided with through hole, and described through hole leads to described body exterior, on described through hole, connects sealing, the bottom assembling O RunddichtringO of described piston.
Preferably, on described body, at least fix a holding rod.
In addition, preferably, described spring is Compress Spring.
From above-mentioned description with put into practice, metal sealing steel ring provided by the invention is changed instrument under water, one, simplify flow process and the time changed, by the metal sealing steel ring that new metal sealing steel ring is installed under water replacing instrument deliver to seabed, old metal sealing steel ring is removed and new metal sealing steel ring installation completes in seabed simultaneously, especially in high-frequency Renewal process, do not need connector to take out and the complex steps such as to send again back to, save connector and taken out and sent back to journey time, save the set-up time, improve installation effectiveness; They are two years old, at metal sealing steel ring, on replacing instrument, connect piston under water, the pressure that piston is changed instrument under water to metal sealing steel ring has cushioning effect, can reduce the spoilage of the metal sealing steel ring being attached thereto, thereby can improve the docking success rate of sealing ring; They are three years old, metal sealing steel ring is changed instrument under water can cooperatively interacting by laterally steering bar and longitudinally guiding bar, automatically adjust the conversion of locked by hooks state and released state, thereby arrive the new metal sealing steel ring that auto lock and release are attached thereto, and snap ring and metal sealing steel ring employing interference resilient engagement, so mode of operation is simple, be convenient to reuse.
Accompanying drawing explanation
By the description to embodiment below in conjunction with accompanying drawing, above-mentioned feature of the present invention and technological merit will become apparent and easily understand.In the accompanying drawings,
Fig. 1 is the schematic perspective view that the metal sealing steel ring described in one embodiment of the invention is changed instrument under water;
Fig. 2 is the top view that the metal sealing steel ring shown in Fig. 1 is changed instrument under water;
Fig. 3 is that the metal sealing steel ring shown in Fig. 1 is changed under water on the hook of instrument and hooked and angle the A-A face profile after metal sealing steel ring;
Fig. 4 is the C-C face cutaway view of the holding rod of changing instrument under water of the metal sealing steel ring shown in Fig. 1;
Fig. 5 a and Fig. 5 b are the locking state of E-E face and the cutaway views of released state of the piston of changing instrument under water of the metal sealing steel ring shown in Fig. 1;
Fig. 6 a and Fig. 6 b are the locking state of B-B face and the cutaway views of released state of the longitudinally guiding bar of changing instrument under water of the metal sealing steel ring shown in Fig. 1;
Fig. 7 a and Fig. 7 b are the locking state of D-D face and the cutaway views of released state of the laterally steering bar of changing instrument under water of the metal sealing steel ring shown in Fig. 1; And
Fig. 8 a-8e is the scheme of installation that the metal sealing steel ring shown in Fig. 1 is changed instrument under water.
200: metal sealing steel ring; 200 ＇: metal sealing steel ring; 300: connector; 400: flange;
Metal sealing steel ring is changed instrument 100 under water;
1: body; 11: snap ring; 12: piston; 13: horizontal cavity;
14: holding rod; 15: soket head cap screw;
121: cavity; 122: through hole; 123: sealing; 124:O RunddichtringO;
2: laterally steering bar; 21: spring; 22: hook; 23: locking member; 24: arc groove;
3: longitudinally guiding bar; 31: spring; 32: stopper slot; 33: arc groove;
4: spacer pin; 5: guide ring;
The specific embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the schematic perspective view that the metal sealing steel ring described in one embodiment of the invention is changed instrument under water.Fig. 2 is the top view that the metal sealing steel ring shown in Fig. 1 is changed instrument under water.Fig. 3 is that the metal sealing steel ring shown in Fig. 1 is changed under water on the hook of instrument and hooked and angle the A-A face profile after sealing ring.Fig. 4 is the C-C face cutaway view of the holding rod of changing instrument under water of the metal sealing steel ring shown in Fig. 1.As shown in Figure 1, Figure 2, Figure 3 and Figure 4, metal sealing steel ring is changed instrument 100 under water and is comprised body 1, many laterally steering bars 2, many longitudinally guiding bars 3, many spacer pins 4 and guide ring 5.
As shown in Figure 1, Figure 2 and Figure 3, body 1 top is upwards fixed one and is had flexible snap ring 11, and extend laterally on the top of snap ring 11, and snap ring 11 can elastic dilatation.Preferably, snap ring 11 comprises some symmetrical card tooth and pedestals, and extend laterally on card tooth top, and card tooth bottom connects pedestal.In the present embodiment, adopt a plurality of symmetrical soket head cap screws 15 that snap ring 11 is fixed on body 1.Snap ring 11 is for clamping fixed seal ring 200.Preferably, the connected mode between snap ring 11 and metal sealing steel ring 200 is elasticity interference fit.Here, metal sealing steel ring 200 refers to the old metal sealing steel ring 200 of the experience wear fixing with connector.Body 1 top connects a plurality of pistons 12 downwards.When metal sealing steel ring is changed instrument 100 tops under water and is collided pressure, piston 12 can slow down collision, has cushioning effect.Body 1 bottom is provided with a plurality of symmetrical horizontal cavity that are communicated with outside 13.In the present embodiment, body 1 bottom is provided with 6 symmetrical horizontal cavity 13.
As shown in Figure 4, on body 1, at least fix a holding rod 14.In the present embodiment, adopt two soket head cap screws 15 that one end of snap ring 11 is fixed on body 1.Holding rod 14 contributes to moving metal ring gasket to change instrument 100 under water.
As shown in figures 1 and 3, metal sealing steel ring is changed instrument 100 under water and is provided with many laterally steering bars 2, and one end of laterally steering bar 2 is positioned at the horizontal cavity 13 of body 1.In the present embodiment, metal sealing steel ring is changed instrument 100 under water and is provided with 2,6 laterally steering bars 2 of 6 symmetrical laterally steering bars and lays respectively in 6 symmetrical horizontal cavity 13.Be positioned at one end linking springs 21 of laterally steering bar 2 of the horizontal cavity 13 of body 1, at the bottom of spring 21 one end withstand on the chamber of horizontal cavity 13, spring 21 promotes laterally steering bars 2 in the interior movement of horizontal cavity 13.Preferably, the spring 21 that laterally steering bar 2 connects is Compress Springs.In the present embodiment, the diameter of laterally steering bar 2 ends is less than the diameter of shaft, and spring 21 is socketed in the end of laterally steering bar 2, and one end is near shaft, at the bottom of the chamber of the other end near horizontal cavity 13.Compressive state after spring stress, at the bottom of the chamber of laterally steering bar 2 ends near horizontal cavity 13, when the spring normal condition that do not stress, at the bottom of the chamber of laterally steering bar 2 ends away from horizontal cavity 13.The other end fixed hook 23 of laterally steering bar 2, hook 23 outsides are provided with locking member 24.Preferably, locking member 24 is interior hexagonal (hexagon)nuts, and interior hexagonal (hexagon)nut and laterally steering bar 2 ends are used in conjunction with.The hook 23 of 6 laterally steering bars 2 forms an annular, and 6 hooks 23 can catch on fixing metal ring gasket 200 ＇.Here, metal sealing steel ring 200 ＇ refer to and will replace untapped new metal sealing steel ring 200 ＇ of the old metal sealing steel ring 200 of experience wear.The sidewall of laterally steering bar 2 is provided with arc groove 24.
As depicted in figs. 1 and 2, metal sealing steel ring is changed instrument 100 under water and is provided with many longitudinally guiding bars 3, and longitudinally guiding bar 3 is positioned at arc groove 24 1 sides of laterally steering bar 2.In the present embodiment, metal sealing steel ring is changed instrument 100 under water and is provided with 6 longitudinally guiding bar 3,6 piece longitudinally guiding bars 3 symmetrical on body 1 top and 6 laterally steering bar 2 square crossings distributions.The top socket spring 31 of longitudinally guiding bar 3, spring 31 can drive longitudinally guiding bar 3 transversely the sidewall of guide post 2 move.Preferably, the spring 31 that longitudinally guiding bar 3 connects is Compress Springs.The sidewall of the longitudinally guiding bar 3 of spring 31 belows is provided with stopper slot 32.The bottom of longitudinally guiding bar 3 is provided with arc groove 33.The arc groove 33 of longitudinally guiding bar 3 is relative with arc groove 24 positions of laterally steering bar 2.
As shown in Figure 1, metal sealing steel ring is changed instrument 100 under water and is provided with many spacer pins 4, the every corresponding spacer pin 4 of longitudinally guiding bar 3.In the present embodiment, metal sealing steel ring is changed instrument 100 under water and is provided with 6 spacer pins 4.Spacer pin 4 tops are fixed on body 1 sidewall, and spacer pin 4 bottoms withstand in the stopper slot 32 of longitudinally guiding bar 3.In the present embodiment, spacer pin 4 adopts soket head cap screw.When spacer pin 4 bottoms are positioned at the lower of stopper slot 32, prescribe a time limit, the spring 31 on longitudinally guiding bar 3 in the raw, is prescribed a time limit when spacer pin 4 bottoms are positioned at the upper of stopper slot 32, and the spring 31 on longitudinally guiding bar 3 is in compressive state.
As shown in Figures 2 and 3, guide ring 5 is fixed on body 1 bottom, and guide ring 5 tops are in the outside of horizontal cavity 13.Guide ring 5 contributes to new metal sealing steel ring 200 ＇ that metal sealing steel ring changed to instrument 100 hookings to be under water placed in flange top.Guide ring 5 can avoid spring 13 by laterally steering bar 2 from the interior ejection of horizontal cavity 13, at the bottom of the displacement of laterally steering bar 2 is limited to horizontal cavity 13 chambeies and between guide ring 5.In the present embodiment, guide ring 5 is that soket head cap screw 15 is fixing with the fixed form of body 1.In the present embodiment, adopt 4 soket head cap screws 15 that guide ring 5 is fixed on body 1.
Fig. 5 a is the locking state cutaway view of the E-E face of the piston of changing instrument under water of the metal sealing steel ring shown in Fig. 1.Fig. 5 b is the released state cutaway view of the E-E face of the piston of changing instrument under water of the metal sealing steel ring shown in Fig. 1.As shown in Fig. 5 a and Fig. 5 b, a plurality of pistons 12 are symmetrically distributed in body 1 top, and cavity 121 sidewalls of piston 12 are provided with the sealing 123 with through hole 122, and through hole 122 leads to body 1 outside, and the bottom of piston 12 connects O RunddichtringO 124.In the present embodiment, body 1 top connects 4 pistons 12 downwards.The use procedure of piston 12 is as follows: when water enters in the cavity 121 of piston 12 from the through hole 122 of sealing 123, piston 12 floats to maximum displacement place, and defining this state is locking state; When piston 12 is subject to the pressure of its top, the water in cavity 121 is discharged by the through hole 122 of sealing 123, and piston 12 drops to the bottom of cavity 121, and defining this state is released state.Bottom at piston 12 connects O RunddichtringO, makes piston 12 and cavity 121 sealings.
Laterally steering bar 2, longitudinally guiding bar 3 and spacer pin 4 need to be used in conjunction with, and laterally steering bar 2 and longitudinally guiding bar 3 cooperatively interact, and can lock reconciliation lock hook and hang over new metal sealing steel ring 200 ＇ on hook 23.The use procedure of laterally steering bar 2 with longitudinally guiding bar 3 will be introduced below.
Fig. 6 a is the locking state cutaway view of the B-B face of the longitudinally guiding bar of changing instrument under water of the metal sealing steel ring shown in Fig. 1.Fig. 6 b is the released state cutaway view of the B-B face of the longitudinally guiding bar of changing instrument under water of the metal sealing steel ring shown in Fig. 1.As shown in Fig. 6 a and Fig. 6 b, the lower of stopper slot 32 that is positioned at longitudinally guiding bar 3 when spacer pin 4 prescribed a time limit, spring 31 does not stress, be that spacer pin 4 is in normal condition, the sidewall of longitudinally guiding bar 3 is positioned at arc groove 24 clampings of laterally steering bar 2, now, definition longitudinally guiding bar 3 is in locking state; The upper of stopper slot 32 that is positioned at longitudinally guiding bar 3 when spacer pin 4 prescribed a time limit, spring 31 is stressed, be that spacer pin 4 is in compressive state, longitudinally guiding bar 3 will move downwards, 33 of the arc grooves of longitudinally guiding bar 3 slide to the arc groove 24 of laterally steering bar 2, when the arc groove 33 of longitudinally guiding bar 3 is relative with the arc groove 24 of laterally steering bar 2, laterally steering bar 2 can move, the sidewall of laterally steering bar 2 is at the interior clamping of arc groove 33 of longitudinally guiding bar 3, now, definition longitudinally guiding bar 3 is in released state.
Fig. 7 a is the locking state cutaway view of the D-D face of the laterally steering bar of changing instrument under water of the metal sealing steel ring shown in Fig. 1.Fig. 7 b is the released state cutaway view of the D-D face of the laterally steering bar of changing instrument under water of the metal sealing steel ring shown in Fig. 1.As shown in Fig. 7 a and Fig. 7 b, when the interior clamping of arc groove 24 at laterally steering bar 2 of the sidewall of longitudinally guiding bar 3, the spring 21 of laterally steering bar 2 is stressed, spring 21 is in compressive state, at the bottom of laterally steering bar 2 one end are positioned at the chamber of horizontal cavity 13, distance between the hook 23 of laterally steering bar 2 other ends is minimum, six annular diameter minimums that hook 23 forms, and metal sealing steel ring 200 ＇ can be hooked on hook 23.Now, definition laterally steering bar 2 is in locking state, when the sidewall of longitudinally guiding bar 3 skids off in the arc groove 23 of laterally steering bar 2, 33 of the arc grooves of longitudinally guiding bar 3 slide to the arc groove 24 of laterally steering bar 2, when the arc groove 33 of longitudinally guiding bar 3 is relative with the arc groove 24 of laterally steering bar 2, laterally steering bar 2 can be in the interior movement of arc groove 33 of longitudinally guiding bar 3, spring 21 does not stress, spring 21 will extend to nature, spring 21 moves towards the rightabout at the bottom of the chamber of horizontal cavity 13, drive laterally steering bar 2 to move to rightabout at the bottom of the chamber of horizontal cavity 13 simultaneously, distance between the hook 23 of laterally steering bar 2 other ends increases gradually, when the interior clamping of arc groove 33 at longitudinally guiding bar 3 of the sidewall of laterally steering bar 2, distance between the hook 23 of laterally steering bar 2 other ends is maximum, six annular diameter maximums that hook 23 forms, metal sealing steel ring 200 ＇ will drop from linking up with 23.Now, definition laterally steering bar 2 is in released state.
When laterally steering bar 2 and longitudinally guiding bar 3 are during in locking state, new metal sealing steel ring 200 ＇ can hooking change instrument 100 under water to metal sealing steel ring; When metal sealing steel ring is changed instrument 100 tops under water and is under pressure, laterally steering bar 2 and longitudinally guiding bar 3 will have locking state to be converted to released state, and new metal sealing steel ring 200 ＇ change instrument 100 under water from metal sealing steel ring and drop down.
Introduce metal sealing steel ring below and change the using method of instrument when changing metal sealing steel ring under water.Fig. 8 a-8e is the scheme of installation that the metal sealing steel ring shown in Fig. 1 is changed instrument under water.As shown in Fig. 8 a-8e, while using metal sealing steel ring to change the metal sealing steel ring between instrument 100 replacing connectors and flange under water, need to proceed as follows:
Step 1, changes new metal sealing steel ring 200 ＇ hookings under water on instrument 100 to metal sealing steel ring, delivers to seabed and need to change near the connector 300 of metal sealing steel ring; Now, laterally steering bar 2 and longitudinally guiding bar 3 that metal sealing steel ring is changed instrument 100 are under water locking state, and piston 12 is locking state;
Step 2, slings the connector on seabed flange 400 300, and old metal sealing steel ring 200 is connected to connector 300 interfaces, and the metal sealing steel ring that lower end is installed to new metal sealing steel ring 200 ＇ is changed instrument 100 under water and is put into flange 400 ends;
Step 3, transfers connector 300, by regulating the location status of connector 300, makes connector 300 vertically transfer to the upper end that metal sealing steel ring is changed instrument 100 under water, and forms preliminary contact condition;
Step 4, continue slowly to transfer connector 300, the card tooth of snap ring 11 is applied on the old metal sealing steel ring 200 of connector 300, snap ring 11 backs down the spring detent that acts on old metal sealing steel ring 200 on connector 300, and snap ring 11 blocks the old metal sealing steel ring 200 on connector 300 afterwards; Meanwhile, moving downward of the old metal sealing steel ring 200 in top drives longitudinally guiding bar 3 and the piston 12 of body 1 inside to move down, longitudinally guiding bar 3 and piston 12 are transformed into released state by locking state, longitudinally guiding bar 3 moves down into released state, make laterally steering bar 2 contained springs 21 lose restriction, laterally steering bar 2 is released state, laterally steering bar 2 is outer to be moved, 22 couples of new metal sealing steel ring 200 ＇ of hook on laterally steering bar 2 lose constraint, and new metal sealing steel ring 200 ＇ fall on the abutted flange 400 of connector 300 belows; Moving down of whole process piston 12, liquid in the cavity 121 of piston 12 is discharged from the through hole 122 of the cavity 121 of piston 12, be released state to piston 12, this process can reduce the rigid impact that metal sealing steel ring is changed 100 pairs of flange in the bottom 400 of instrument under water, thereby slow down the falling speed of new metal sealing steel ring 200 ＇, the cushioning effect that 12 couples of new metal sealing steel ring 200 ＇ of piston are risen.Metal sealing steel ring is changed instrument 100 under water the old metal sealing steel ring 200 of upper end is blocked, and while lower end has puts new metal sealing steel ring 200 ＇ well to flange 400;
Step 5, first extract pipeline and the connector 300 of upper end, then removing and be with the metal sealing steel ring of the metal sealing steel ring 200 of haveing been friends in the past to change instrument 100 under water, is that pipe jointer 300 docks again with lower square flange 400 afterwards, finally completes the replacing of metal sealing steel ring.
A plurality of new metal sealing steel ring 200 ＇ are sent under water, reuse metal sealing steel ring and change instrument 100 under water, can change a plurality of old metal sealing steel rings 200.
The metal sealing steel ring that the embodiment providing by the invention described above provides is changed instrument under water, one, simplify flow process and the time changed, by the metal sealing steel ring that new metal sealing steel ring is installed under water replacing instrument deliver to seabed, old metal sealing steel ring is removed and new metal sealing steel ring installation completes in seabed simultaneously, especially in high-frequency Renewal process, do not need connector to take out and the complex steps such as to send again back to, save connector and taken out and sent back to journey time, save the set-up time, improve installation effectiveness; They are two years old, at metal sealing steel ring, on replacing instrument, connect piston under water, the pressure that piston is changed instrument under water to metal sealing steel ring has cushioning effect, can reduce the spoilage of the metal sealing steel ring being attached thereto, thereby can improve the docking success rate of sealing ring; They are three years old, metal sealing steel ring is changed instrument under water can cooperatively interacting by laterally steering bar and longitudinally guiding bar, automatically adjust the conversion of locked by hooks state and released state, thereby arrive the new metal sealing steel ring that auto lock and release are attached thereto, and snap ring and metal sealing steel ring employing interference resilient engagement, so mode of operation is simple, be convenient to reuse.
The above; be only the preferably specific embodiment of the present invention, but protection scope of the present invention is not limited to this, any people who is familiar with this technology is in the disclosed technical scope of the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (6)
1. metal sealing steel ring is changed an instrument under water, it is characterized in that, it comprises:
Body, described body top is fixing assembling snap ring upwards, and described snap ring is for fixing metal ring gasket, and described body top connects a plurality of pistons downwards, and described body bottom is provided with a plurality of horizontal cavity symmetrical and that be communicated with outside;
Many laterally steering bars, described laterally steering bar one end is positioned at the horizontal cavity of described body, this end linking springs, described spring promotes described laterally steering bar and moves in described horizontal cavity, the described laterally steering bar other end is installed hook, and locked by locking member, described laterally steering bar sidewall is provided with arc groove;
Many longitudinally guiding bars, described longitudinally guiding bar is in arc groove one side of described laterally steering bar, the top linking springs of described longitudinally guiding bar, it is vertically mobile that described spring drives described longitudinally guiding bar to do, the sidewall of the described longitudinally guiding bar of described spring below is provided with stopper slot, and the bottom of described longitudinally guiding bar is provided with arc groove;
Many spacer pins, described spacer pin one end is fixed on described body sidewall, and the described spacer pin other end withstands in the stopper slot of described longitudinally guiding bar;
Guide ring, described guide ring is fixed on described body bottom, and described guide ring top is in the outside of described horizontal cavity.
2. metal sealing steel ring as claimed in claim 1 is changed instrument under water, it is characterized in that, described snap ring comprises some symmetrical card tooth and pedestals, and extend laterally on described card tooth top, and described card tooth bottom connects described pedestal.
3. metal sealing steel ring as claimed in claim 1 is changed instrument under water, it is characterized in that, the connected mode between described snap ring and described metal sealing steel ring is elasticity interference fit.
4. metal sealing steel ring as claimed in claim 1 is changed instrument under water, it is characterized in that, a plurality of described pistons are symmetrically distributed in the downward inside cavity in described body top, the cavity bottom of described piston is provided with through hole, described through hole leads to described body exterior, on described through hole, connect sealing, the bottom assembling O RunddichtringO of described piston.
5. metal sealing steel ring as claimed in claim 1 is changed instrument under water, it is characterized in that, at least fixes a holding rod on described body.
6. metal sealing steel ring as claimed in claim 1 is changed instrument under water, it is characterized in that, described spring is Compress Spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410216716.5A CN103962822A (en) | 2014-05-21 | 2014-05-21 | Tool for replacing metal sealing steel ring underwater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410216716.5A CN103962822A (en) | 2014-05-21 | 2014-05-21 | Tool for replacing metal sealing steel ring underwater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103962822A true CN103962822A (en) | 2014-08-06 |
Family
ID=51233084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410216716.5A Pending CN103962822A (en) | 2014-05-21 | 2014-05-21 | Tool for replacing metal sealing steel ring underwater |
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| Country | Link |
|---|---|
| CN (1) | CN103962822A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050173127A1 (en) * | 2004-02-11 | 2005-08-11 | Williams John R. | Stripper rubber adapter |
| CN103244506A (en) * | 2012-02-08 | 2013-08-14 | 中国石油化工股份有限公司 | Ocean structure underwater vertical butt joint buffer and slow descending device |
| CN103291233A (en) * | 2013-06-03 | 2013-09-11 | 中国海洋石油总公司 | Novel mounting tool of underwater horizontal connector |
| CN103302469A (en) * | 2013-06-03 | 2013-09-18 | 中国海洋石油总公司 | Underwater vertical connector sealing component replacing tool |
| CN203900819U (en) * | 2014-05-21 | 2014-10-29 | 美钻能源科技(上海)有限公司 | Metal sealing steel ring underwater replacement tool |
-
2014
- 2014-05-21 CN CN201410216716.5A patent/CN103962822A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050173127A1 (en) * | 2004-02-11 | 2005-08-11 | Williams John R. | Stripper rubber adapter |
| CN103244506A (en) * | 2012-02-08 | 2013-08-14 | 中国石油化工股份有限公司 | Ocean structure underwater vertical butt joint buffer and slow descending device |
| CN103291233A (en) * | 2013-06-03 | 2013-09-11 | 中国海洋石油总公司 | Novel mounting tool of underwater horizontal connector |
| CN103302469A (en) * | 2013-06-03 | 2013-09-18 | 中国海洋石油总公司 | Underwater vertical connector sealing component replacing tool |
| CN203900819U (en) * | 2014-05-21 | 2014-10-29 | 美钻能源科技(上海)有限公司 | Metal sealing steel ring underwater replacement tool |
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Application publication date: 20140806 |
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