CN108001619B - A kind of shark pincer device - Google Patents
A kind of shark pincer device Download PDFInfo
- Publication number
- CN108001619B CN108001619B CN201711103042.8A CN201711103042A CN108001619B CN 108001619 B CN108001619 B CN 108001619B CN 201711103042 A CN201711103042 A CN 201711103042A CN 108001619 B CN108001619 B CN 108001619B
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- CN
- China
- Prior art keywords
- mousing
- hook
- caliper
- anticreep
- pincer device
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Classifications
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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
- B63B21/04—Fastening or guiding equipment for chains, ropes, hawsers, or the like
- B63B21/08—Clamping devices
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a kind of shark pincer devices, belong to ocean engineering vehicle accessories field.The shark pincer device includes caliper, U-shaped plier and anti-drop assembly, the plier is mounted on the top of the caliper, the anti-drop assembly includes: mousing-hook, first connection pin shaft, second connection pin shaft and mousing-hook actuator, the cavity for accommodating the anti-drop assembly is offered in the caliper, the mousing-hook actuator is configured as that the mousing-hook is driven to rotate centered on the first connection pin shaft, to switch between the first position and the second position, when the mousing-hook is located at first position, the first end of the mousing-hook is located in the cavity, when the mousing-hook is located at the second position, the first end of the mousing-hook is stretched out outside the cavity.During hawser, steel cable or anchor chain are locked and unclamped, without manually contacting hawser, steel cable or anchor chain and shark pincer device, this makes shark pincer device provided in an embodiment of the present invention safety with higher.
Description
Technical field
The present invention relates to ocean engineering vehicle accessories field, in particular to a kind of shark pincer device.
Background technique
Energy development is strided forward towards deep-sea, has pushed ocean engineering vehicle to enlargement and specialized direction development.Shark jaw
Major function be by hawser, steel cable or anchor chain lock, prevent hawser, steel cable, anchor chain sliding.In order to adapt to the severe sea in deep-sea
Condition, shark jaw on working ship using more and more common.
A kind of existing shark jaw includes the plier of U-shaped structure, the caliper being slidably mounted in deck and is located at below deck
Oil cylinder, plier is mounted on the top of caliper, and the telescopic end of oil cylinder is connected with caliper, and the top of plier offers plier pin hole,
Plier lock pin is inserted into plier pin hole, this wears plier lock pin and the formation of the plier of U-shaped structure for hawser, steel cable or anchor chain
The limitting casing crossed, shark jaw at work, the limitting casing can prevent hawser, steel cable or anchor chain bounce.
In the implementation of the present invention, the inventor finds that the existing technology has at least the following problems:
Into plier pin hole install or extract plier lock pin need manually to complete, due to pass through shark jaw hawser or
The load that steel cable is carried is larger, and is influenced by stormy waves, so that hawser, steel cable or anchor chain can beat in plier, artificial hand
Moving may be because the hawser, steel cable or anchor chain of bounce be accidentally injured to worker during penetrating or extracting plier lock pin, thus is existed
Security risk.
Summary of the invention
In order to solve the problems, such as manually to penetrate or extract in the prior art plier lock pin, there are security risk, the present invention
Embodiment provides a kind of shark pincer device.The technical solution is as follows:
The embodiment of the invention provides a kind of shark pincer devices, and including caliper and U-shaped plier, the plier is mounted on institute
The top of caliper is stated, the shark pincer device further includes anti-drop assembly, and the anti-drop assembly includes: mousing-hook, the first connecting pin
Axis, second connect pin shaft and mousing-hook actuator, offer the cavity for accommodating the anti-drop assembly, the plier in the caliper
Side wall on offer opening, the opening is connected to the cavity, and the first connecting pin axle position is in the cavity, and institute
The both ends for stating the first connection pin shaft are separately mounted on the inner wall of the caliper, and the first end of the mousing-hook is provided with gib head,
It may be rotatably mounted in the middle part of the mousing-hook on the first connection pin shaft, the second end of the mousing-hook and the mousing-hook
Actuator is rotatably connected, and the mousing-hook actuator is configured as driving during the mousing-hook with the first connection pin shaft is
Heart rotation, thus switch between the first position and the second position, when the mousing-hook is located at first position, the mousing-hook
First end be located in the cavity, when the mousing-hook is located at the second position, described in the first end of the mousing-hook is stretched out
Outside cavity.
Specifically, the mousing-hook includes gib head and anticreep shank, and the gib head is arranged in the end of anticreep shank, described
Anticreep shank is bending type structure, and the inflection point of the anticreep shank may be rotatably mounted on the first connection pin shaft.
Specifically, the gib head is arc-shaped.
Specifically, the mousing-hook actuator is anticreep oil cylinder, and the second end of the anticreep shank connects by described second
Outbound axis and the first end of the anticreep oil cylinder are rotatably connected, and the second end of the anticreep oil cylinder may be rotatably mounted at the pincers
On the inner wall of body.
Further, the anticreep oil cylinder is in tilted layout relative to the centerline direction of the caliper, when the anti-de-oiling
When the piston rod of cylinder is retracted to minimum stroke, the center line of the anticreep oil cylinder is with the angle α 1 of the center line of the caliper
25 °~34 °.
Further, when the piston rod of the anticreep oil cylinder extend out to range, the center line of the anticreep oil cylinder
Angle α 2 with the center line of the caliper is 35 °~40 °.
Specifically, the shark pincer device further includes elevating mechanism, and the elevating mechanism is connect with the caliper.
Further, the elevating mechanism includes rack gear, gear and the gear driving group for driving the gear rotation
Part, the rack gear along the outer wall that the centerline direction of the caliper is mounted on the caliper, nibble with the rack gear by the gear
It closes, the gear driving assembly is connect with the gear.
Further, the shark pincer device further includes supporting box, is offered on the supporting box for accommodating
The mounting hole of caliper is stated, rack gear is offered on the hole wall of the mounting hole and accommodates recess.
Further, sliding bearing is provided in the supporting box, the caliper is slidably matched with the sliding bearing.
Technical solution provided in an embodiment of the present invention has the benefit that shark jaw dress provided in an embodiment of the present invention
It sets, when hawser, steel cable or anchor chain need to move into plier, mousing-hook is received to cavity body by mousing-hook actuator, is made
Mousing-hook is located at the second position, thus is avoided that the movement of mousing-hook interference hawser, steel cable or anchor chain;When hawser, steel cable or anchor chain
After moving into plier, and when needing to lock, mousing-hook by stretching out in opening and cavity, is made mousing-hook be located at the by mousing-hook actuator
One position, and hawser, steel cable or anchor chain are tightly caught on, avoid hawser, steel cable or anchor chain from beating.Hawser, steel cable or anchor
During chain is locked and unclamped, without manually contacting hawser, steel cable or anchor chain and shark pincer device, this makes this
The shark pincer device safety with higher that inventive embodiments provide.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram of shark pincer device provided in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of anti-drop assembly provided in an embodiment of the present invention;
Fig. 3 be in Fig. 1 provided in an embodiment of the present invention A-A to partial enlargement structural representation;
Fig. 4 is the structural schematic diagram of another working condition of shark pincer device provided in an embodiment of the present invention;
Fig. 5 is the structural schematic diagram of gear driving assembly provided in an embodiment of the present invention;
Fig. 6 is the overlooking structure diagram of supporting box provided in an embodiment of the present invention;
Fig. 7 is the schematic cross-sectional view of supporting box provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
The embodiment of the invention provides a kind of shark pincer devices, as shown in Figure 1, the shark pincer device include caliper 1, it is U-shaped
Plier 2 and anti-drop assembly 3, plier 2 is mounted on the top of caliper 1.The cavity 1a for accommodating anti-drop assembly 3 is offered in caliper 1,
Opening 2a is offered on the side wall of plier 2, opening 2a is connected to cavity 1a.
Fig. 2 is the structural schematic diagram of anti-drop assembly provided in an embodiment of the present invention.As shown in Fig. 2, anti-drop assembly 3 includes:
Mousing-hook 4, first connects pin shaft 5, second and connects pin shaft 6 and mousing-hook actuator 7.First connection pin shaft 5 is located in cavity 1a,
And first connection pin shaft 5 both ends be separately mounted on the inner wall of caliper 1.Mousing-hook 4 includes gib head 4a and anticreep shank 4b, hook
Head 4a is arranged in the first end of anticreep shank 4b, may be rotatably mounted on the first connection pin shaft 5 in the middle part of anticreep shank 4b, anticreep
The second end of hook 4 is rotatably connected by the second connection pin shaft 6 with mousing-hook actuator 7, and mousing-hook actuator 7 is configured as driving
The second end of dynamic mousing-hook 4 is rotated centered on the first connection pin shaft 5, thus switch between the first position and the second position,
When mousing-hook 4 is located at first position, the first end of mousing-hook 4 is located in cavity 1a, when mousing-hook 4 is located at the second position,
The first end of mousing-hook 4 is stretched out outside cavity 1a.When realizing, plier 2 can be mounted on caliper 1 by screw 18 (see Fig. 1)
Top.
Fig. 3 is the structural schematic diagram of screw plug provided in an embodiment of the present invention.As shown in figure 3, open can be with for the shark pincer device
Including screw plug 20.Screw plug mounting hole can be offered on caliper 1, screw plug mounting hole is connected to cavity 1a, and screw plug 20 is mounted on
On screw plug mounting hole and it is against on one end of the first connection pin shaft 5.Screw plug 20 can be avoided the first connection pin shaft 5 by caliper 1
Abjection.
Specifically, as shown in Fig. 2, anticreep shank 4b can be bending type structure, and the inflection point of anticreep shank 4b can turn
It is dynamic to be mounted on the first connection pin shaft 5.The anticreep shank 4b of folding line can reduce the volume of mousing-hook 4, to reduce anticreep
The scope of activities of component 3, and then avoid shark pincer device volume excessive.
Specifically, gib head 4a can be arc-shaped.The contact area of arc-shaped gib head 4a and hawser, steel cable or anchor chain
Greatly, so as to preferably catch on hawser, steel cable or anchor chain, hawser, steel cable or anchor chain bounce are avoided.
Specifically, referring to figs. 1 and 2, mousing-hook actuator 7 can be anticreep oil cylinder, and the second end of mousing-hook 4 is logical
It crosses the second connection pin shaft 5 and the first end of anticreep oil cylinder is rotatably connected, the second end of anticreep oil cylinder may be rotatably mounted at caliper 1
Inner wall on.Anticreep oil cylinder is low in cost, can reduce the manufacturing cost of shark pincer device.When realizing, the of anticreep oil cylinder
Two ends can connect pin shaft 19 by third and may be rotatably mounted on the inner wall of caliper 1.
Further, Fig. 4 is the structural schematic diagram of another working condition of shark pincer device provided in an embodiment of the present invention.
As shown in figure 4, anticreep oil cylinder can be in tilted layout relative to the centerline direction of caliper 1, when the piston rod of anticreep oil cylinder retracts
When to minimum stroke, the angle α 1 of the center line of the center line and caliper of anticreep oil cylinder is 25 °~34 °.When hawser, steel cable or anchor
When chain needs to move into plier 2, angle α 1 can guarantee that anticreep oil cylinder receives mousing-hook 4 when piston rod is retracted to minimum stroke
To opening 2a and cavity 1a, i.e. mousing-hook 4 is located at first position, and mousing-hook 4 is avoided to interfere the fortune of hawser, steel cable or anchor chain
It is dynamic.
Further, as shown in Figure 1, when the piston rod of anticreep oil cylinder extend out to range, the center of anticreep oil cylinder
The angle α 2 of the center line of line and caliper is 35 °~40 °.When hawser, steel cable or anchor chain are located in plier 2, i.e. mousing-hook 4 is located at
The second position, and when needing to lock, which can guarantee that hawser, steel cable or anchor chain are tightly caught in mousing-hook 4, avoid cable
Rope, steel cable or anchor chain are beated.
Specifically, which can also include elevating mechanism, and elevating mechanism is connect with caliper 1.
Fig. 5 is the structural schematic diagram of gear driving assembly provided in an embodiment of the present invention.Referring to figure 1 and figure 5, it goes up and down
Mechanism includes rack gear 8, gear 9 and the gear driving assembly 10 for driving gear 9 to rotate.Rack gear 8 is along the center line side of caliper 1
To being mounted on the outer wall of caliper 1, gear 9 is engaged with rack gear 8, and gear driving assembly 10 is connect with gear 9.Pass through rack gear 8, tooth
Wheel 9 and gear driving assembly 10, can drive caliper 1 to be moved along the direction of rack gear 8, to realize shark pincer device
Descending operation.Shark pincer device can be increased using the driving method of gear 9 and rack gear 8 compared to traditional hydraulic-driven
Reliability, and drive efficiency is high.
Further, as shown in figure 5, gear driving assembly 10 may include motor 11, first shaft coupling 12, speed reducer
13, second shaft coupling 14 and rotation axis 15.The output shaft of motor 11 is connected by the input shaft of first shaft coupling 12 and speed reducer 13
It connects, the output shaft of speed reducer 13 is connect by second shaft coupling 14 with rotation axis 15, and gear 9 is mounted in rotation axis 15.In this way
Gear driving assembly 10 can simply and efficiently realize the driving of gear 9.When realizing, the both ends of rotation axis 15 can pass through
Bearing 21 is mounted on bearing block 22, is capable of fixing rotation axis 15 in this way.
Fig. 6 is the overlooking structure diagram of supporting box provided in an embodiment of the present invention.As shown in fig. 6, the shark jaw fills
Setting can also include supporting box 16, and the mounting hole 16a for accommodating caliper 1 is offered on supporting box 16, mounting hole 16a's
Rack gear is offered on hole wall accommodates recess 16b.It, can be by supporting box 16 and shark jaw when installing shark pincer device on hull
Device is installed as a whole, by supporting box 16 together with hull after-peak tank structure welding, due to supporting box 16
Structure is simple, and size is easy measurement, reduces the installation difficulty of shark pincer device in this way.Meanwhile mounting hole 16a and rack gear accommodate
Recess 16b can provide the effect of guiding for the movement of caliper 1 so that caliper 1 move up and down or it is static during, when
It does not rotate when being generated axis torque by external applied load.
Fig. 7 is the structural schematic diagram of supporting box provided in an embodiment of the present invention.As shown in fig. 7, being set in supporting box 16
It is equipped with sliding bearing 17, caliper 1 is slidably matched with sliding bearing 17.When realizing, sliding bearing 17 passes through interference fit and branch
Cabinet 16 is supportted to connect.Sliding bearing 17 can move up and down in supporting box 16 convenient for caliper 1.
It following is a brief introduction of the working principle of shark pincer device provided in an embodiment of the present invention:
When hawser, steel cable or anchor chain need to move into plier 2, mousing-hook 4 is received to cavity by mousing-hook actuator 7
In 1a, mousing-hook 4 is made to be located at the second position, can be avoided the movement that hawser, steel cable or anchor chain are interfered in mousing-hook 4 in this way;Work as cable
When restricting, after steel cable or anchor chain immigration plier 2, and needing to lock, mousing-hook actuator 7 is by mousing-hook 4 by the 2a and cavity 1a that is open
Interior stretching makes mousing-hook 4 be located at first position, and tightly catches on hawser, steel cable or anchor chain, avoids hawser, steel cable or anchor chain
It beats.
Shark pincer device provided in an embodiment of the present invention, when hawser, steel cable or anchor chain need to move into plier, by anti-
Unhook actuator receives mousing-hook to cavity body, and mousing-hook is made to be located at the second position, thus is avoided that hawser, steel are interfered in mousing-hook
The movement of rope or anchor chain;After hawser, steel cable or anchor chain move into plier, and when needing to lock, mousing-hook actuator is by mousing-hook
By opening and cavity in stretch out, so that mousing-hook is located at first position, and tightly catch on hawser, steel cable or anchor chain, avoid hawser,
Steel cable or anchor chain are beated.During hawser, steel cable or anchor chain are locked and unclamped, without manually contacting cable
Rope, steel cable or anchor chain and shark pincer device, this makes shark pincer device provided in an embodiment of the present invention safety with higher.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of shark pincer device, including caliper and U-shaped plier, the plier is mounted on the top of the caliper, feature
It is, the shark pincer device further includes anti-drop assembly, and the anti-drop assembly includes: mousing-hook, the first connection pin shaft, the second company
Outbound axis and mousing-hook actuator, offer the cavity for accommodating the anti-drop assembly in the caliper, on the side wall of the plier
Opening is offered, the opening is connected to the cavity, and the first connecting pin axle position is in the cavity, and described first connects
The both ends of outbound axis are separately mounted on the inner wall of the caliper, and the mousing-hook includes gib head and anticreep shank, the gib head
It is arranged in the first end of anticreep shank, may be rotatably mounted in the middle part of the anticreep shank on the first connection pin shaft, it is described
The second end of anticreep shank is rotatably connected with the mousing-hook actuator, and the mousing-hook actuator is configured as described in driving
Mousing-hook is rotated centered on the first connection pin shaft, to switch between the first position and the second position, when described anti-
When breaking off relations positioned at first position, the first end of the mousing-hook is located in the cavity, when the mousing-hook is located at the second position
When, the first end of the mousing-hook is stretched out outside the cavity.
2. shark pincer device according to claim 1, which is characterized in that the anticreep shank is bending type structure, and institute
The inflection point for stating anticreep shank may be rotatably mounted on the first connection pin shaft.
3. shark pincer device according to claim 1, which is characterized in that the gib head is arc-shaped.
4. shark pincer device according to claim 1, which is characterized in that the mousing-hook actuator is anticreep oil cylinder, institute
The second end for stating anticreep shank is rotatably connected by the first end of the second connection pin shaft and the anticreep oil cylinder, described anti-
The second end of de-oiling cylinder may be rotatably mounted on the inner wall of the caliper.
5. shark pincer device according to claim 4, which is characterized in that the anticreep oil cylinder is relative in the caliper
Heart line direction is in tilted layout, when the piston rod of the anticreep oil cylinder is retracted to minimum stroke, the center line of the anticreep oil cylinder
Angle α 1 with the center line of the caliper is 25 °~34 °.
6. shark pincer device according to claim 5, which is characterized in that when the piston rod of the anticreep oil cylinder is extend out to most
When big stroke, the angle α 2 of the center line of the center line and caliper of the anticreep oil cylinder is 35 °~40 °.
7. shark pincer device according to claim 1, which is characterized in that the shark pincer device further includes elevating mechanism,
The elevating mechanism is connect with the caliper.
8. shark pincer device according to claim 7, which is characterized in that the elevating mechanism includes rack gear, gear and use
In the gear driving assembly for driving the gear rotation, the rack gear is mounted on the caliper along the centerline direction of the caliper
Outer wall on, the gear is engaged with the rack gear, and the gear driving assembly is connect with the gear.
9. shark pincer device according to claim 7, which is characterized in that the shark pincer device further includes supporting box,
The mounting hole for accommodating the caliper is offered on the supporting box, and rack gear receiving is offered on the hole wall of the mounting hole
Recess.
10. shark pincer device according to claim 9, which is characterized in that it is provided with sliding bearing in the supporting box,
The caliper is slidably matched with the sliding bearing.
Priority Applications (1)
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CN201711103042.8A CN108001619B (en) | 2017-11-10 | 2017-11-10 | A kind of shark pincer device |
Applications Claiming Priority (1)
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CN201711103042.8A CN108001619B (en) | 2017-11-10 | 2017-11-10 | A kind of shark pincer device |
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CN108001619A CN108001619A (en) | 2018-05-08 |
CN108001619B true CN108001619B (en) | 2019-10-22 |
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Families Citing this family (1)
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CN112389584A (en) * | 2020-11-16 | 2021-02-23 | 武昌船舶重工集团有限公司 | Guiding device for buoy anchor chain |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4936239A (en) * | 1986-10-03 | 1990-06-26 | Deep Seven Co. | Toggle tensioner lock |
CN202541785U (en) * | 2012-02-23 | 2012-11-21 | 宁波捷恒机械有限公司 | Combined shark pincers |
CN103224006A (en) * | 2013-04-27 | 2013-07-31 | 武汉船用机械有限责任公司 | Shark pincer device |
CN103231775A (en) * | 2013-04-27 | 2013-08-07 | 武汉船用机械有限责任公司 | Fork type shark pincers |
CN205707168U (en) * | 2016-03-31 | 2016-11-23 | 江苏新迈机械有限公司 | There is the rectilinear of safe locking hook and lead cavil |
-
2017
- 2017-11-10 CN CN201711103042.8A patent/CN108001619B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4936239A (en) * | 1986-10-03 | 1990-06-26 | Deep Seven Co. | Toggle tensioner lock |
CN202541785U (en) * | 2012-02-23 | 2012-11-21 | 宁波捷恒机械有限公司 | Combined shark pincers |
CN103224006A (en) * | 2013-04-27 | 2013-07-31 | 武汉船用机械有限责任公司 | Shark pincer device |
CN103231775A (en) * | 2013-04-27 | 2013-08-07 | 武汉船用机械有限责任公司 | Fork type shark pincers |
CN205707168U (en) * | 2016-03-31 | 2016-11-23 | 江苏新迈机械有限公司 | There is the rectilinear of safe locking hook and lead cavil |
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CN108001619A (en) | 2018-05-08 |
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