CN114701601B - Mooring underwater installation locking type quick connecting device - Google Patents
Mooring underwater installation locking type quick connecting device Download PDFInfo
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- CN114701601B CN114701601B CN202210632410.2A CN202210632410A CN114701601B CN 114701601 B CN114701601 B CN 114701601B CN 202210632410 A CN202210632410 A CN 202210632410A CN 114701601 B CN114701601 B CN 114701601B
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- locking
- main shaft
- ball cage
- ball
- bearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B2021/003—Mooring or anchoring equipment, not otherwise provided for
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
Abstract
The invention relates to a mooring underwater installation locking type quick connecting device which comprises a quick male connector and a quick female connector, wherein the quick male connector comprises a main shaft and a ball cage sleeved to the lower section of the main shaft, a first pin hole is formed in the top end of the main shaft, a plurality of rows of bearing holes are formed in the side wall of the ball cage, bearing steel balls are embedded in the bearing holes, a plurality of rows of bearing grooves matched with the bearing steel balls are formed in the lower section of the main shaft, the depth of each bearing groove becomes gradually shallow from top to bottom, a pre-tightening piece is arranged between the bottom end of the main shaft and the ball cage, a cylindrical hole matched with the outer diameter of the ball cage is formed in the upper section of the quick female connector, a second pin hole is formed in the bottom end of the quick female connector, and a locking sliding sleeve is sleeved on the main shaft above the ball cage. Compared with the traditional bolt type installation, the invention has simple structure, does not need a diving team to carry out diving operation in the connection process, ensures the safety of workers, greatly reduces the installation time and effectively reduces the installation cost.
Description
Technical Field
The invention relates to the technical field of ocean engineering equipment, in particular to a mooring underwater installation locking type quick connecting device.
Background
The floating structure is adopted more in present generation ocean resource development, like floating production oil storage and offloading (FPSO) that is used for oil gas exploitation, semi-submerged formula oil production platform, a floating fan for wind energy utilization etc. floating structure relies on mooring system to be fixed a position among the sea, current mooring system is installing, especially when carrying out the connection between the different structures, often adopt traditional fixed pin to connect, often need a great deal of workboat and diving team to carry out the collaborative work, dive operation expense and work tug lease price are higher, still have certain risk when carrying out dive operation, single mode of installing one by one makes the installation period who accomplishes whole mooring system longer. Therefore, designing a locking type quick connecting device for underwater installation becomes a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects in the prior art and provides a mooring underwater installation locking type quick connecting device.
The invention is realized by the following technical scheme:
the utility model provides a mooring is installation locking formula quick connecting device under water, includes quick male joint and quick female joint, its characterized in that, quick male joint includes the main shaft and cup joints the ball cage to the main shaft hypomere, the main shaft top is equipped with first pinhole, the ball cage lateral wall is equipped with the multirow bearer hole and has inlayed the bearing steel ball, the bearing steel ball diameter is greater than the ball cage wall thickness, the main shaft hypomere is equipped with the multirow and bears the bearing groove of steel ball looks adaptation, and the degree of depth from the top down of bearing groove becomes shallow gradually, be equipped with the preloader between main shaft bottom and ball cage, quick female joint upper segment is equipped with the cylindricality hole with ball cage external diameter looks adaptation, quick female joint bottom is equipped with the second pinhole, the main shaft has cup jointed the locking sliding sleeve in ball cage top position.
Preferably, the main shaft is provided with an annular convex step above the top end of the ball cage, a moving allowance is left between the lower side step surface of the annular convex step and the upper side surface of the top end of the ball cage, the outer diameter of the annular convex step is the same as that of the ball cage, the upper section of the locking sliding sleeve is sleeved to the annular convex step, the lower section of the locking sliding sleeve is sleeved to the top of the ball cage, the lower section of the locking sliding sleeve is provided with a row of locking round holes and embedded with locking steel balls, the diameter of each locking steel ball is larger than the wall thickness of the locking sliding sleeve, a row of hemispherical deep locking grooves and a row of hemispherical shallow locking grooves are arranged above the bearing holes in the uppermost row of the ball cage, the deep locking groove is located above the shallow locking groove and has a larger radius than the shallow locking groove, the quick female joint is characterized in that a sliding hole matched with the outer diameter of the locking sliding sleeve is arranged at the upper section of a cylindrical hole of the quick female joint, and an annular locking groove matched with the locking steel ball is arranged in the middle of the sliding hole.
Preferably, a row of connecting round holes are formed in the lower portion of the locking round hole of the locking sliding sleeve and embedded with connecting steel balls, the diameter of each connecting steel ball is larger than the wall thickness of the locking sliding sleeve, a row of oblong connecting holes matched with the connecting steel balls are formed between the uppermost row of bearing holes and the shallow locking groove of the ball cage, and the length direction of each connecting hole is parallel to the axial direction of the ball cage.
Preferably, when the connecting steel ball abuts against the top end of the connecting hole, the locking steel ball is located at the position of the clamping deep locking groove; when the connecting steel ball is abutted to the bottom end of the connecting hole, the locking steel ball is positioned at the position of the clamping shallow locking groove.
Preferably, the diameter of the connecting steel ball is larger than the sum of the wall thickness of the locking sliding sleeve and the wall thickness of the ball cage, the main shaft is provided with a connecting groove matched with the connecting steel ball, the depth of the connecting groove is uniform, and the length direction of the connecting groove is parallel to the axial direction of the main shaft.
Preferably, the preload part is a wave spring arranged between the lower side surface of the main shaft and the inner bottom surface of the ball cage.
Preferably, the lower side surface of the main shaft is provided with a boss matched with the inner diameter of the wave spring, and the natural state height of the wave spring is greater than the height of the boss.
Preferably, the bottom surface of the ball cage is provided with an avoiding hole matched with the boss.
Preferably, when the bearing steel ball is not subjected to external force, the height of the bearing steel ball protruding out of the outer wall of the ball cage is smaller than the height of the bearing steel ball protruding out of the inner wall of the ball cage.
The invention has the beneficial effects that:
compared with the traditional bolt type installation, the invention has simple structure, does not need a diving team to carry out diving operation in the connection process, ensures the safety of workers, greatly reduces the installation time, effectively reduces the installation cost, can uniformly disperse the pulling force borne by the device on the bearing steel ball, can bear larger mooring pulling force, is more uniformly stressed, and can effectively improve the service life and the reliability; the locking sliding sleeve can prevent the spindle from accidentally separating from the quick female joint due to the oscillating force in the axial direction of the spindle; the connecting steel balls are matched with the connecting holes, so that the locking steel balls can be accurately clamped to the corresponding deep locking grooves or shallow locking grooves; the arrangement positions of the deep locking groove and the shallow locking groove can further improve the accuracy of the locking steel ball in the locking process; the locking steel balls, the connecting holes and the connecting grooves are matched, so that the bearing steel balls can be prevented from sliding to the adjacent bearing grooves, and the stability of the integral structure of the quick male connector is improved; the wave spring can realize the pre-tightening locking effect, and the arrangement position of the wave spring is convenient for assembling the wave spring; the boss can prevent the wave spring from deflecting relative to the axis of the main shaft; the avoidance hole can avoid the interference between the main shaft and the ball cage; the arrangement mode of the bearing steel balls can prevent the bearing steel balls from falling out of the bearing holes.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the spindle of the present invention.
Fig. 3 is a schematic structural diagram of the locking sliding sleeve of the invention.
Fig. 4 is a schematic structural view of the ball cage of the present invention.
Fig. 5 is an enlarged schematic view of a portion a in fig. 4.
Fig. 6 is a schematic structural view of the quick female connector of the present invention.
In the figure: 1. a quick male connector; 2. locking the sliding sleeve; 3. a wave spring; 4. a quick female joint; 5. a first pin hole; 6. an annular convex step; 7. a connecting groove; 8. a bearing groove; 9. a boss; 10. locking the steel balls; 11. connecting the steel balls; 12. locking the round hole; 13. the connecting circular hole; 14. bearing the steel balls; 15. a bearing hole; 16. a ball cage; 17. a deep locking groove; 18. a shallow locking groove; 19. connecting holes; 20. a slide hole; 21. an annular locking groove; 22. a cylindrical hole; 23. a second pin hole.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1, the present invention includes a quick male connector 1 and a quick female connector 4, and is characterized in that the quick male connector 1 includes a main shaft and a ball cage 16 sleeved on a lower section of the main shaft, the top end of the main shaft is provided with a first pin hole 5, as shown in fig. 4, the side wall of the ball cage 16 is provided with a plurality of rows of bearing holes 15 and embedded with bearing steel balls 14, the diameter of the bearing steel balls 14 is larger than the wall thickness of the ball cage 16, as shown in fig. 2, the lower section of the main shaft is provided with a plurality of rows of bearing grooves 8 matched with the bearing steel balls 14, the depth of the bearing grooves 8 becomes gradually shallower from top to bottom, as shown in fig. 6, the upper section of the quick female connector 4 is provided with a cylindrical hole 22 matched with the outer diameter of the ball cage 16 for inserting the quick male connector 1, a pretensioning member is provided between the bottom end of the main shaft and the ball cage 16 for enabling the bearing steel balls 14 to protrude the abutting portion of the inner wall of the ball cage 16 to the shallower area of the bearing groove 8, so that the part of the bearing steel balls 14 protruding the outer wall of the ball cage 16 abuts against the cylindrical hole 22, and a groove is pressed on the inner wall of the quick female joint 4 to achieve the pre-tightening effect, a second pin hole 23 is arranged at the bottom end of the quick female joint 4, the first pin hole 5 and the second pin hole 23 are used for connecting an anchor chain or an ocean platform, when the main shaft is pulled to be separated from the quick female joint 4, the part of the bearing steel ball 14 protruding out of the inner wall of the ball cage 16 is abutted to a shallower area of the bearing groove 8 and protrudes relative to the outer wall of the ball cage 16, so that the groove pressed on the inner wall of the quick female joint 4 is deeper and locked more tightly, the main shaft is sleeved with a locking sliding sleeve 2 above the ball cage 16, the main shaft can be prevented from being accidentally separated from the quick female joint 4 due to the shock force in the axial direction of the main shaft, the device can be used for quick connection during the installation of an underwater mooring system, including but not limited to the connection between the ocean platform, the anchor chain and the anchor chain, and the saturated diving and towing cooperation are not needed during the installation, the installation can be completed only by fixing the quick female connector 4 underwater to ensure that the angle between the quick female connector and the horizontal angle is slightly smaller than 90 degrees, and pressing the locking sliding sleeve 2 to perform secondary locking after the quick male connector 1 is controlled to be inserted by using an underwater robot ROV. For traditional bolt formula installation, need not the diving team and carry out the diving operation in the connection process, ensured staff's safety, installation time significantly reduces simultaneously, and installation cost effectively reduces, and on this device can make the pulling force homodisperse that it received carried steel ball 14, for original bolt formula connection, can bear bigger mooring force, the atress is more even, can effectively improve life and reliability.
The main shaft is provided with an annular convex step 6 above the top end of the ball cage 16, a movement allowance is left between the lower side step surface of the annular convex step 6 and the upper side surface of the top end of the ball cage 16, when the bearing steel balls 14 slide in the bearing groove 8, the movement allowance can prevent the top end of the ball cage 16 from interfering with the annular convex step 6, the outer diameter of the annular convex step 6 is the same as the outer diameter of the ball cage 16, the upper section of the locking sliding sleeve 2 is sleeved to the annular convex step 6, the lower section of the locking sliding sleeve 2 is sleeved to the top of the ball cage 16, as shown in fig. 3, the locking sliding sleeve 2 is provided with a row of locking round holes 12 at the lower section and embedded with locking steel balls 10, the diameter of the locking steel balls 10 is larger than the wall thickness of the locking sliding sleeve 2, the ball cage 16 is provided with a row of hemispherical deep locking grooves 17 and a row of hemispherical shallow locking grooves 18 above the bearing holes 15 at the uppermost row, the deep locking grooves 17 are positioned above the shallow locking grooves 18, and the radius of the deep locking grooves 17 is larger than the radius of the shallow locking grooves 18, the locking steel ball 10 can be changed between the position corresponding to the deep locking groove 17 and the position corresponding to the shallow locking groove 18 by independently applying external force to the locking sliding sleeve 2, the upper section of the cylindrical hole 22 of the quick female joint 4 is provided with a sliding hole 20 matched with the outer diameter of the locking sliding sleeve 2, the middle part of the sliding hole 20 is provided with an annular locking groove 21 matched with the locking steel ball 10, when the locking steel ball 10 is clamped to the deep locking groove 17, the locking sliding sleeve 2 can freely slide in the sliding hole 20, when the locking steel ball 10 is clamped to the shallow locking groove 18, the locking steel ball 10 protrudes relative to the outer surface of the locking sliding sleeve 2, and the protruding part can be clamped in the annular locking groove 21 reserved in advance in the quick female joint 4, so that the locking between the locking sliding sleeve 2 and the quick female joint 4 is realized.
As shown in fig. 3, a row of connecting circular holes 13 is arranged below the locking circular hole 12 of the locking sliding sleeve 2 and embedded with connecting steel balls 11, the diameter of each connecting steel ball 11 is larger than the wall thickness of the locking sliding sleeve 2, as shown in fig. 4 and 5, a row of oblong connecting holes 19 matched with the connecting steel balls 11 is arranged between the uppermost row of bearing holes 15 and the shallow locking groove 18 of the ball cage 16, the length direction of each connecting hole 19 is parallel to the axial direction of the ball cage 16, and the connecting steel balls 11 are matched with the connecting holes 19 to prevent the locking sliding sleeve 2 from rotating relative to the ball cage 16, so that when the locking sliding sleeve 2 slides, the locking steel balls 10 can be accurately clamped to the corresponding deep locking grooves 17 or shallow locking grooves 18.
When the connecting steel ball 11 is abutted to the top end of the connecting hole 19, the locking steel ball 10 is positioned in the clamping deep locking groove 17; when the connecting steel ball 11 is abutted to the bottom end of the connecting hole 19, the locking steel ball 10 is positioned at the position of the clamping shallow locking groove 18, and in the process of sliding the locking sliding sleeve 2 to enable the locking steel ball 10 to change between the position corresponding to the deep locking groove 17 and the position corresponding to the shallow locking groove 18, the locking steel ball 10 can be prevented from directly crossing the deep locking groove 17 or the shallow locking groove 18, and the accuracy of the locking steel ball 10 in the locking process is further improved.
The diameter of the connecting steel ball 11 is larger than the sum of the wall thickness of the locking sliding sleeve 2 and the wall thickness of the ball cage 16, the main shaft is provided with a connecting groove 7 matched with the connecting steel ball 11, the depth of the connecting groove 7 is uniform, the length direction of the connecting groove 7 is parallel to the axis direction of the main shaft, and the locking steel ball 10, the connecting hole 19 and the connecting groove 7 are matched, so that the locking sliding sleeve 2, the ball cage 16 and the main shaft can be prevented from rotating relatively, the bearing steel ball 14 can be prevented from sliding to the bearing groove 8 adjacent to the bearing steel ball, and the stability of the integral structure of the quick male connector 1 is improved.
The pretension piece is a wave spring 3 arranged between the lower side surface of the main shaft and the inner bottom surface of the ball cage 16, so that the main shaft axially moves towards the direction of separating from the ball cage 16, although the bearing steel ball 14 is still embedded in the ball cage 16 in the process, due to the relative motion between the ball cage 16 and the main shaft, the position of the bearing groove 8 corresponding to the bearing steel ball 14 becomes shallow, the part of the bearing steel ball 14 protruding out of the outer wall of the ball cage 16 is abutted to the cylindrical hole 22, the groove is pressed out on the inner wall of the quick female joint 4, the pretension effect is achieved, and the arrangement position of the wave spring 3 is convenient for assembling the wave spring.
The lower side surface of the main shaft is provided with a boss 9 matched with the inner diameter of the wave spring 3, the natural state height of the wave spring 3 is larger than the height of the boss 9, and the boss 9 can prevent the wave spring 3 from deflecting relative to the axis of the main shaft.
The bottom surface of the ball cage 16 is provided with an avoiding hole matched with the boss 9, and the avoiding hole can avoid the interference between the main shaft and the ball cage 16 when the main shaft and the ball cage move relatively.
When the bearing steel ball 14 is not subjected to external force, the height of the bearing steel ball 14 protruding out of the outer wall of the ball cage 16 is less than the height of the bearing steel ball 14 protruding out of the inner wall of the ball cage 16, and the bearing steel ball 14 is prevented from falling out of the bearing hole 15.
The working principle of the invention is that the installation of the quick male joint is completed on land, the wave spring is sleeved on the boss at the bottom of the main shaft, the locking sliding sleeve is connected with the ball cage, the connecting steel ball is positioned at the upper end of the connecting hole of the ball cage, the locking steel ball is positioned in the deep locking groove, and the installation of the quick male joint is completed after the connecting steel ball and the locking steel ball are sleeved on the main shaft; fixing the quick female joint under water, keeping the angle slightly less than 90 degrees with the horizontal angle, after using the quick male joint of ROV control to insert, push down the locking sliding sleeve, accomplish the connection and the locking of quick male joint and quick female joint promptly, at the in-process of pushing down the locking sliding sleeve, the connection steel ball that inlays at the locking sliding sleeve moves on the connecting hole of ball cage, make the locking steel ball on the locking sliding sleeve move to shallow locking groove position by original dark locking groove position, the locking steel ball is protruding relative to the locking sliding sleeve surface, the card is in the annular locking groove that quick female joint reserved in advance, make and realize locking between locking sliding sleeve and the quick female joint, the ball cage also realizes locking through between locking steel ball and the locking sliding sleeve this moment. After the ROV is removed, the main shaft is subjected to the thrust action of the wave spring, so that the main shaft axially moves relative to the ball cage and the locking sliding sleeve which are originally locked with the quick female joint, bearing steel balls are still embedded in the ball cage, but due to the relative movement between the ball cage and the main shaft, the position of a main bearing groove corresponding to the bearing steel balls is changed from deep to shallow, the bearing steel balls protrude relative to the outer surface of the ball cage, and a groove is formed in the inner wall of the quick female joint. At the moment, the ball cage is locked with the quick female joint through the locking steel balls and the bearing steel balls, the depth of the bearing grooves on the corresponding main shaft of the bearing steel balls is shallower along with the increase of the tensile force applied to the device, and the outer surface of the ball cage is more convex relative to the main shaft, so that the pressing grooves on the inner wall of the quick female joint are deeper, and the locking is tighter. Compared with the traditional bolt type installation, the invention has simple structure, does not need a diving team to carry out diving operation in the connection process, ensures the safety of workers, greatly reduces the installation time, effectively reduces the installation cost, can uniformly disperse the pulling force borne by the device on the bearing steel ball, can bear larger mooring pulling force, is more uniformly stressed, and can effectively improve the service life and the reliability; the locking sliding sleeve can prevent the spindle from accidentally separating from the quick female joint due to the oscillating force in the axial direction of the spindle; the connecting steel balls are matched with the connecting holes, so that the locking steel balls can be accurately clamped to the corresponding deep locking grooves or shallow locking grooves; the arrangement positions of the deep locking groove and the shallow locking groove can further improve the accuracy of the locking steel ball in the locking process; the locking steel balls, the connecting holes and the connecting grooves are matched, so that the bearing steel balls can be prevented from sliding to the adjacent bearing grooves, and the stability of the integral structure of the quick male connector is improved; the wave spring can realize the pre-tightening locking effect, and the arrangement position of the wave spring is convenient for assembling the wave spring; the boss can prevent the wave spring from deflecting relative to the axis of the main shaft; the avoidance hole can avoid the interference between the main shaft and the ball cage; the arrangement mode of the bearing steel balls can prevent the bearing steel balls from falling out of the bearing holes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and amendments can be made without departing from the principle of the present invention, and these modifications and amendments should also be considered as the protection scope of the present invention.
Claims (7)
1. A mooring underwater installation locking type quick connecting device comprises a quick male connector and a quick female connector, and is characterized in that the quick male connector comprises a main shaft and a ball cage which is sleeved to the lower section of the main shaft, a first pin hole is formed in the top end of the main shaft, a plurality of rows of bearing holes are formed in the side wall of the ball cage and embedded with bearing steel balls, the diameter of each bearing steel ball is larger than the wall thickness of the ball cage, a plurality of rows of bearing grooves matched with the bearing steel balls are formed in the lower section of the main shaft, the depth of each bearing groove gradually becomes shallow from top to bottom, a pre-tightening piece is arranged between the bottom end of the main shaft and the ball cage, a cylindrical hole matched with the outer diameter of the ball cage is formed in the upper section of the quick female connector, a second pin hole is formed in the bottom end of the quick female connector, a locking sliding sleeve is sleeved on the main shaft above the ball cage, an annular convex step is formed in the top of the main shaft, a movable allowance is reserved between the lower side surface of the annular convex step and the upper side surface of the top end of the ball cage, the outer diameter of the annular convex step is the same as that of the ball cage, the upper section of the locking sliding sleeve is sleeved to the annular convex step, the lower section of the locking sliding sleeve is sleeved to the top of the ball cage, the lower section of the locking sliding sleeve is provided with a row of locking round holes and embedded locking steel balls, the diameter of each locking steel ball is larger than the wall thickness of the locking sliding sleeve, the ball cage is provided with a row of hemispherical deep locking grooves and a row of hemispherical shallow locking grooves above the bearing holes of the uppermost row, the deep locking grooves are positioned above the shallow locking grooves, the radius of the deep locking grooves is larger than that of the shallow locking grooves, the upper section of the cylindrical hole of the quick female joint is provided with a sliding hole matched with the outer diameter of the locking sliding sleeve, the middle part of the sliding hole is provided with an annular locking groove matched with the locking steel balls, the locking sliding sleeve is provided with a row of connecting round holes below the locking round holes and embedded with the connecting steel balls, and the diameter of the connecting steel balls is larger than the wall thickness of the locking sliding sleeve, a row of oblong connecting holes matched with the connecting steel balls are formed between the bearing holes in the row at the top and the shallow locking groove of the ball cage, and the length direction of the connecting holes is parallel to the axis direction of the ball cage.
2. The mooring underwater installation locking type quick connecting device as recited in claim 1, wherein when the connecting steel ball abuts against the top end of the connecting hole, the locking steel ball is in a position of the deep locking groove of the snap fit; when the connecting steel ball is abutted to the bottom end of the connecting hole, the locking steel ball is positioned at the position of the clamping shallow locking groove.
3. The mooring underwater installation locking type quick connecting device as recited in claim 1, wherein the diameter of the connecting steel ball is larger than the sum of the wall thickness of the locking sliding sleeve and the wall thickness of the ball cage, the main shaft is provided with a connecting groove matched with the connecting steel ball, the depth of the connecting groove is uniform, and the length direction of the connecting groove is parallel to the axial direction of the main shaft.
4. A mooring subsea installation locking quick connect device as recited in claim 1, wherein said preload member is a wave spring disposed between the underside of the main shaft and the inner bottom surface of the cage.
5. A mooring lock type quick connecting device as recited in claim 4, wherein the lower side of the main shaft is provided with a boss adapted to the inner diameter of the wave spring, and the wave spring has a natural height greater than the height of the boss.
6. The mooring underwater installation locking type quick connecting device as recited in claim 5, wherein the bottom surface of the ball cage is provided with an avoiding hole matched with the boss.
7. A mooring lock type quick connecting device as recited in claim 1, wherein the height of the projecting portion of the load-bearing ball from the outer wall of the cage is smaller than the height of the projecting portion of the load-bearing ball from the inner wall of the cage when the load-bearing ball is not subjected to an external force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210632410.2A CN114701601B (en) | 2022-06-01 | 2022-06-01 | Mooring underwater installation locking type quick connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210632410.2A CN114701601B (en) | 2022-06-01 | 2022-06-01 | Mooring underwater installation locking type quick connecting device |
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| Publication Number | Publication Date |
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| CN114701601A CN114701601A (en) | 2022-07-05 |
| CN114701601B true CN114701601B (en) | 2022-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210632410.2A Active CN114701601B (en) | 2022-06-01 | 2022-06-01 | Mooring underwater installation locking type quick connecting device |
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| GB573033A (en) * | 1943-10-08 | 1945-11-02 | Dowty Equipment Ltd | Improvements in locking means for telescopic jacks |
| CN102162561A (en) * | 2011-04-16 | 2011-08-24 | 庄志军 | Flush-resistant pneumatic quick-change connector |
| CN104019303A (en) * | 2014-06-03 | 2014-09-03 | 哈尔滨工程大学 | Self-adaptive double-sealing-steel-ball clamping underwater pipeline connector |
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| WO2021079082A1 (en) * | 2019-10-21 | 2021-04-29 | First Subsea Limited | Mounting device for an elongate member |
| CN113682426A (en) * | 2021-08-31 | 2021-11-23 | 中海油安全技术服务有限公司深圳分公司 | Anchor chain connector of floating oil and gas production storage and unloading device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2551716B (en) * | 2016-06-27 | 2019-02-06 | Balltec Ltd | A connector with locking elements releasable under load |
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2022
- 2022-06-01 CN CN202210632410.2A patent/CN114701601B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB573033A (en) * | 1943-10-08 | 1945-11-02 | Dowty Equipment Ltd | Improvements in locking means for telescopic jacks |
| CN102162561A (en) * | 2011-04-16 | 2011-08-24 | 庄志军 | Flush-resistant pneumatic quick-change connector |
| CN104019303A (en) * | 2014-06-03 | 2014-09-03 | 哈尔滨工程大学 | Self-adaptive double-sealing-steel-ball clamping underwater pipeline connector |
| CN208221479U (en) * | 2018-05-30 | 2018-12-11 | 宁波巨翔管件汽配有限公司 | A kind of fishing gear crab pot can automatic quick dismounting quick change connection buckle |
| WO2021079082A1 (en) * | 2019-10-21 | 2021-04-29 | First Subsea Limited | Mounting device for an elongate member |
| CN113682426A (en) * | 2021-08-31 | 2021-11-23 | 中海油安全技术服务有限公司深圳分公司 | Anchor chain connector of floating oil and gas production storage and unloading device |
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|---|---|
| CN114701601A (en) | 2022-07-05 |
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