CN109578517B - Underwater self-locking shackle - Google Patents
Underwater self-locking shackle Download PDFInfo
- Publication number
- CN109578517B CN109578517B CN201811593550.3A CN201811593550A CN109578517B CN 109578517 B CN109578517 B CN 109578517B CN 201811593550 A CN201811593550 A CN 201811593550A CN 109578517 B CN109578517 B CN 109578517B
- Authority
- CN
- China
- Prior art keywords
- shackle
- limiting
- lock hole
- lock
- pin
- 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.)
- Active
Links
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 230000005484 gravity Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G11/00—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
- F16G11/14—Devices or coupling-pieces designed for easy formation of adjustable loops, e.g. choker hooks; Hooks or eyes with integral parts designed to facilitate quick attachment to cables or ropes at any point, e.g. by forming loops
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to an underwater self-locking shackle, which comprises a shackle main body, a limiting mechanism and a lock pin. The shackle body is provided with an opening, and two opposite sides of the opening are respectively provided with a first lock hole and a second lock hole. The limiting mechanism comprises a supporting component connected with the shackle main body and a limiting piece which can be movably installed on the supporting component up and down. The lock pin comprises a transverse pin and a handle connected with one end of the transverse pin, and the transverse pin is arranged in the second lock hole in a penetrating mode. The handle includes the spacing axle that is connected and coaxial setting with the transverse pin, but spacing axle axial displacement ground and supporting component cooperation, and the one end that the transverse pin was kept away from to spacing axle is equipped with the block position, inserts the transverse pin behind the first lockhole at the handle, and locating part whereabouts and block position block prevent that the lockpin from deviating from first lockhole. The underwater self-locking shackle utilizes the rotation of the handle to drive the lock pin to axially move and lock the first lock hole, so that the underwater robot can conveniently realize the closing of the self-locking shackle main body to the handle operation, and after the lock pin is locked in place, the lock pin is downwards moved by the limiting piece to resist to realize self locking, thereby improving the stability of the self-locking shackle.
Description
Technical Field
The invention relates to a lock capable of being locked underwater, in particular to an underwater self-locking shackle.
Background
The shackle is often used in deepwater hoisting and connecting industries, the existing shackle structure is not beneficial to the operation of an underwater robot, and if the underwater shackle needs to be used underwater for a long time, the underwater shackle also faces the problem of falling off of a transverse pin.
In order to solve these problems, it is desirable to design a shackle that facilitates underwater operations of an underwater Robot (ROV) and that is permanently safe and reliable.
Disclosure of Invention
The invention aims to solve the technical problem of providing the underwater self-locking shackle which is convenient for the operation of an underwater robot and can realize self-locking.
The technical scheme adopted for solving the technical problems is as follows: an underwater self-locking shackle is constructed, which comprises a shackle main body, a limiting mechanism and a lock pin;
the shackle body is provided with an opening, and two opposite sides of the opening are respectively provided with a first lock hole and a second lock hole;
the limiting mechanism comprises a supporting component connected with the shackle main body and a limiting piece which can be movably installed on the supporting component up and down;
the lock pin comprises a transverse pin and a handle connected with one end of the transverse pin, and the transverse pin is arranged in the second lock hole in a penetrating manner;
the handle comprises a limiting shaft which is connected with the transverse pin and is coaxially arranged, the limiting shaft can be matched with the supporting component in an axially movable mode, a clamping position is arranged at one end, away from the transverse pin, of the limiting shaft, after the handle is used for inserting the transverse pin into the first lock hole, the limiting piece falls down to be clamped with the clamping position, and the locking pin is prevented from falling out of the first lock hole.
Preferably, the limiting shaft is in running fit with the supporting component, the first lock hole is a threaded hole, threads matched with the first lock hole are arranged on the transverse pin, and the handle rotates to enable the transverse pin to be in threaded connection with the first lock hole.
Preferably, the limiting shaft comprises a limiting section and a clamping section, the diameter of the limiting section is larger than that of the clamping section, and the clamping section forms the clamping position.
Preferably, the outer ring of the limiting section is provided with threads, and the limiting piece is provided with a threaded hole in threaded connection with the limiting section.
Preferably, the threads of the outer ring of the limiting section are right-angle threads.
Preferably, the support assembly is provided with a guide groove for the limiting piece to move up and down.
Preferably, the support assembly comprises a first support arm and a second support arm, and the first support arm and the second support arm are arranged side by side at intervals up and down;
one ends of the first support arm and the second support arm are respectively connected with the end where the second lock hole of the shackle main body is located and extend out along the axial direction of the second lock hole in a direction away from the second lock hole;
the supporting seat is arranged at one end, far away from the second lock hole, of the first supporting arm and the second supporting arm, the lock pin is positioned between the first supporting arm and the second supporting arm, and the limiting shaft penetrates through the supporting seat and is in running fit with the supporting seat.
Preferably, the guide groove is arranged on the support seat, and the guide direction of the guide groove is opposite to the first support arm and the second support arm.
Preferably, a positioning surface for preventing the limiting piece from rotating in the guide groove is arranged on the outer wall of the limiting piece, and the positioning surface is arranged along the guide direction of the guide groove and is matched with the inner wall surface of the guide groove.
Preferably, the handle is a T-shaped handle.
The underwater self-locking shackle has the following beneficial effects: the underwater self-locking shackle utilizes the rotation of the handle to drive the lock pin to axially move and lock the lock pin to the first lock hole, so that the underwater robot can conveniently realize self-locking shackle locking on the handle, after the lock pin is locked in place, the lock pin is further downwards moved by the limiting piece to resist axial movement and rotary movement, self-locking is realized, the self-locking shackle is prevented from being opened under the action of external force, and the stability of the self-locking shackle is improved.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic perspective view of an underwater self-locking shackle in an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the underwater self-locking shackle of FIG. 1 prior to locking;
FIG. 3 is a schematic cross-sectional view of the latch of the underwater self-locking shackle of FIG. 2 in locking engagement with the first locking aperture and with the stop falling down;
fig. 4 is a perspective view of the stopper in fig. 1.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present invention, a detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1, the underwater self-locking shackle in a preferred embodiment of the present invention comprises a shackle body 1, a limiting mechanism 2, and a locking pin 3. The shackle body 1 is provided with an opening 11 for a wire rope, a chain or the like to be locked to be clamped into the shackle body 1. The two opposite sides of the opening 11 are respectively provided with a first lock hole 12 and a second lock hole 13, so that the lock pin 3 can traverse the first lock hole 12 and the second lock hole 13, and the parts to be locked are locked by the self-locking shackle.
The limiting mechanism 2 comprises a supporting component 21 connected with the shackle main body 1 and a limiting piece 22 which is movably arranged on the supporting component 21 up and down, and the limiting piece 22 can axially limit the lock pin 3 by utilizing gravity to fall down so as to realize self-locking.
The lock pin 3 includes a cross pin 31, and a handle 32 connected to one end of the cross pin 31, the cross pin 31 is inserted into the second lock hole 13, and the handle 32 includes a stopper shaft 321 connected to the cross pin 31 and coaxially disposed, and an operation portion 322 disposed at one end of the stopper shaft 321 away from the cross pin 31. The limiting shaft 321 and the operating part 322 form a T-shaped handle 32, so that the underwater robot is convenient to operate.
The limiting shaft 321 is axially movably matched with the supporting component 21, and the handle 32 can drive the transverse pin 31 to axially move and then insert into the first lock hole 12, so that locking of the self-locking shackle is realized. The end of the cross pin 31, which is close to the limiting shaft 321, is provided with a resisting part 312, which limits the position of the cross pin 31 in threaded connection with the first lock hole 12.
The end of the limiting shaft 321, which is far away from the transverse pin 31, is provided with a clamping position 3212', after the handle 32 inserts the transverse pin 31 into the first lock hole 12, the limiting piece 22 falls down to be clamped with the clamping position 3212' under the action of gravity, so that the lock pin 3 does not axially move, and the lock pin 3 is prevented from falling out of the first lock hole 12.
The handle 32 is rotated to drive the lock pin 3 to axially move and lock the lock pin 3 to the first lock hole 12, so that the underwater robot can conveniently operate the handle 32 to realize the self-locking shackle locking, after the lock pin 3 is locked, the lock pin 3 is further downwards moved by the limiting piece 22 to resist the axial movement and the rotation movement to realize self-locking, the self-locking shackle is prevented from being opened under the action of external force, and the stability of the self-locking shackle is improved.
In some embodiments, the limiting shaft 321 is in a rotating fit with the supporting component 21, the first lock hole 12 is a threaded hole, the transverse pin 31 is provided with threads matched with the first lock hole 12, and the handle 32 rotates to screw the transverse pin 31 with the first lock hole 12. The transverse pin 31 and the first lock hole 12 are in a threaded fit mode to achieve locking, so that the underwater robot can conveniently rotate the handle 32.
Further, the limiting shaft 321 includes a limiting section 3211 and a locking section 3212, the diameter of the limiting section 3211 is larger than that of the locking section 3212, and the locking section 3212 forms a locking position 3212'. The limiting shaft 321 is divided into two sections with different diameters, which is beneficial to the rotation of the handle 32, and is beneficial to the axial limiting of the limiting piece 22 by utilizing the segment difference between the limiting segment 3211 and the clamping segment 3212 after the lock pin 3 is locked in place, so that the self-locking is realized.
In other embodiments, the transverse pin 31 and the first lock hole 12 may be locked by a structure such as a buckle, and the locking position 3212' may be a locking hole formed on the limiting shaft 321, and after the lock pin 3 is locked in place, the limiting member 22 is locked into the locking hole to realize self-locking of the lock pin 3.
Preferably, the outer ring of the limiting section 3211 is provided with threads, and the limiting piece 22 is provided with a threaded hole in threaded connection with the limiting section 3211. The limiting section 3211 is in threaded fit with the limiting piece 22, so that the axial moving speed of the lock pin 3 and the circumferential position of the transverse pin 31 when the transverse pin 31 is in butt joint with the first lock hole 12 can be conveniently controlled, and the transverse pin 31 is in threaded connection with the first lock hole 12.
The limiting piece 22 automatically falls under the action of self gravity, the threads of the limiting section 3211 and the threads of the limiting piece 22 are dislocated, and the transverse pin 31 can be prevented from reversing and separating from the shackle main body 1. Further, the threads of the outer ring of the limiting segment 3211 are right-angle threads, and the right-angle threads are difficult to enter the threads of the limiting member 22 without any chamfer, so that the problem that the cross pin 31 is reversely separated from the shackle body 1 is prevented.
The support assembly 21 includes a first support arm 211, a second support arm 212, and a support seat 213, where the first support arm 211 and the second support arm 212 are arranged side by side and side from top to bottom, and one ends of the first support arm 211 and the second support arm 212 are respectively connected with the end of the second lock hole 13 of the shackle body 1, and extend along the axial direction of the second lock hole 13 in a direction away from the second lock hole 13.
The supporting seat 213 is disposed at one end of the first supporting arm 211 and the second supporting arm 212 away from the second locking hole 13, the locking pin 3 is disposed between the first supporting arm 211 and the second supporting arm 212, and the limiting shaft 321 penetrates through the supporting seat 213 and is in running fit with the supporting seat 213. The operation part 322 is located outside the support stand 213, and is operated by the underwater robot.
The supporting component 21 is provided with a guide groove 214 for the limiting piece 22 to move up and down, so that the moving direction of the limiting piece 22 is convenient to control, and the limiting piece 22 is also convenient to fall down.
Further, in the present embodiment, the guiding groove 214 is disposed on the supporting seat 213 and is located on a side of the supporting seat 213 near the second locking hole 13, the guiding direction of the guiding groove 214 is opposite to the first supporting arm 211 and the second supporting arm 212, and the first supporting arm 211 and the second supporting arm 212 can play a role in limiting the vertical movement range of the limiting member 22.
Because the lock pin 3 and the limiting member 22 can rotate relatively, a positioning surface 221 for preventing the limiting member 22 from rotating in the guide groove 214 is arranged on the outer wall of the limiting member 22, and the positioning surface 221 is arranged along the guide direction of the guide groove 214 and is matched with the inner wall surface of the guide groove 214.
The underwater self-locking shackle facilitates the operation of the underwater robot, and meanwhile, the self-locking function can be realized, the structure is simple, the operation is convenient, and the working efficiency is improved.
It will be appreciated that the above technical features may be used in any combination without limitation.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (5)
1. An underwater self-locking shackle is characterized by comprising a shackle main body (1), a limiting mechanism (2) and a lock pin (3);
the shackle body (1) is provided with an opening (11), and two opposite sides of the opening (11) are respectively provided with a first lock hole (12) and a second lock hole (13);
the limiting mechanism (2) comprises a supporting component (21) connected with the shackle main body (1) and a limiting piece (22) which can be movably installed on the supporting component (21) up and down;
the lock pin (3) comprises a transverse pin (31) and a handle (32) connected with one end of the transverse pin (31), the transverse pin (31) is arranged in the second lock hole (13) in a penetrating mode, and the handle (32) is a T-shaped handle;
the handle (32) comprises a limiting shaft (321) which is connected with the transverse pin (31) and is coaxially arranged, the limiting shaft (321) is matched with the supporting component (21) in an axially movable mode, one end, away from the transverse pin (31), of the limiting shaft (321) is provided with a clamping position (3212 '), after the handle (32) inserts the transverse pin (31) into the first lock hole (12), the limiting piece (22) is clamped with the clamping position (3212') by utilizing gravity to prevent the lock pin (3) from falling out of the first lock hole (12);
the limiting shaft (321) comprises a limiting section (3211) and a clamping section (3212), the diameter of the limiting section (3211) is larger than that of the clamping section (3212), and the clamping section (3212) forms a clamping position (3212');
the outer ring of the limiting section (3211) is provided with threads, and the limiting piece (22) is provided with a threaded hole which is in threaded connection with the limiting section (3211);
a guide groove (214) for the limiting piece (22) to move up and down is formed in the supporting component (21);
the outer wall of the limiting piece (22) is provided with a positioning surface (221) for preventing the limiting piece (22) from rotating in the guide groove (214), and the positioning surface (221) is arranged along the guide direction of the guide groove (214) and is matched with the inner wall surface of the guide groove (214).
2. The underwater self-locking shackle as claimed in claim 1, wherein the limiting shaft (321) is in running fit with the supporting assembly (21), the first lock hole (12) is a threaded hole, threads matched with the first lock hole (12) are arranged on the transverse pin (31), and the handle (32) is turned to screw the transverse pin (31) with the first lock hole (12).
3. The underwater self-locking shackle of claim 1, wherein the threads of the outer race of the stop segment (3211) are right angle threads.
4. The underwater self-locking shackle as claimed in claim 1, wherein the support assembly (21) comprises a first support arm (211), a second support arm (212) and a support seat (213), the first support arm (211) and the second support arm (212) being arranged side by side at intervals;
one ends of the first supporting arm (211) and the second supporting arm (212) are respectively connected with the end of the second lock hole (13) of the shackle main body (1) and extend out along the axial direction of the second lock hole (13) in a direction away from the second lock hole (13);
the support seat (213) set up in first support arm (211), second support arm (212) keep away from the one end of second lockhole (13), lockpin (3) are located between first support arm (211), second support arm (212), spacing axle (321) wear to establish support seat (213) and with support seat (213) normal running fit.
5. The underwater self-locking shackle as claimed in claim 4, wherein the guide groove (214) is provided on the support base (213), the guide direction of the guide groove (214) being opposite to the first support arm (211), the second support arm (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811593550.3A CN109578517B (en) | 2018-12-25 | 2018-12-25 | Underwater self-locking shackle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811593550.3A CN109578517B (en) | 2018-12-25 | 2018-12-25 | Underwater self-locking shackle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109578517A CN109578517A (en) | 2019-04-05 |
| CN109578517B true CN109578517B (en) | 2024-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811593550.3A Active CN109578517B (en) | 2018-12-25 | 2018-12-25 | Underwater self-locking shackle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109578517B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111017113B (en) * | 2019-12-04 | 2022-05-27 | 江苏亚星锚链股份有限公司 | Underwater dismounting module for special shackle |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007107615A (en) * | 2005-10-13 | 2007-04-26 | Chugoku Electric Power Co Inc:The | Joint implement |
| KR20080000757A (en) * | 2006-06-28 | 2008-01-03 | 홍제윤 | Shackle assembly |
| KR20080065781A (en) * | 2007-01-10 | 2008-07-15 | 김병수 | Shackle of having preventer shackle pin |
| KR20090011746A (en) * | 2007-07-27 | 2009-02-02 | 주식회사 피엔에이치 | Safety apparatus of automated shackle assembly |
| KR20120006542U (en) * | 2011-03-14 | 2012-09-24 | 현대중공업 주식회사 | Stopper for prevent loosening the nut having shackle |
| CN203335575U (en) * | 2013-06-17 | 2013-12-11 | 中国海洋石油总公司 | Locking device |
| CN105736635A (en) * | 2016-04-26 | 2016-07-06 | 中国海洋石油总公司 | Shackle facilitating operation of underwater robot |
| WO2016153196A1 (en) * | 2015-03-26 | 2016-09-29 | 최태진 | Shackle for preventing screw-bolt from being loosened by reverse rotation |
| CN209494881U (en) * | 2018-12-25 | 2019-10-15 | 中国海洋石油集团有限公司 | Underwater self-locking shackle |
-
2018
- 2018-12-25 CN CN201811593550.3A patent/CN109578517B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007107615A (en) * | 2005-10-13 | 2007-04-26 | Chugoku Electric Power Co Inc:The | Joint implement |
| KR20080000757A (en) * | 2006-06-28 | 2008-01-03 | 홍제윤 | Shackle assembly |
| KR20080065781A (en) * | 2007-01-10 | 2008-07-15 | 김병수 | Shackle of having preventer shackle pin |
| KR20090011746A (en) * | 2007-07-27 | 2009-02-02 | 주식회사 피엔에이치 | Safety apparatus of automated shackle assembly |
| KR20120006542U (en) * | 2011-03-14 | 2012-09-24 | 현대중공업 주식회사 | Stopper for prevent loosening the nut having shackle |
| CN203335575U (en) * | 2013-06-17 | 2013-12-11 | 中国海洋石油总公司 | Locking device |
| WO2016153196A1 (en) * | 2015-03-26 | 2016-09-29 | 최태진 | Shackle for preventing screw-bolt from being loosened by reverse rotation |
| CN105736635A (en) * | 2016-04-26 | 2016-07-06 | 中国海洋石油总公司 | Shackle facilitating operation of underwater robot |
| CN209494881U (en) * | 2018-12-25 | 2019-10-15 | 中国海洋石油集团有限公司 | Underwater self-locking shackle |
Non-Patent Citations (1)
| Title |
|---|
| 建设部人事教育司.《安装起重工》.中国建筑工业出版社,2002,第95-96页. * |
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| CN109578517A (en) | 2019-04-05 |
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