CN106143800A - A kind of shark pincer device - Google Patents

Abstract

The invention discloses a shark jaw device, which belongs to the field of marine devices. The device includes a box body and at least one set of shark jaw mechanisms, each set of shark jaw mechanisms respectively includes a shark jaw assembly, a first stop pin assembly and a second stop pin assembly, and the device also includes a first rotating body, a second rotating body, Rotary oil cylinder and connecting rod, the first rotating body is set on the first stop pin assembly which rotates synchronously with it, the first rotating body is hinged with the telescopic end of the rotating oil cylinder, and the rotating oil cylinder is fixedly arranged on the box body, the first rotating body and the second rotating body The two rotating bodies are connected through a connecting rod, and the connecting rods are respectively movably connected with the first rotating body and the second rotating body, and the second rotating body is sleeved on the second blocking pin assembly which rotates synchronously with it. The present invention can simultaneously control the rotation of the first stop pin body and the second stop pin body through a rotary oil cylinder, so as to achieve the purpose of simultaneously adjusting the two stop pin assemblies and improve the operation efficiency.

Description

A shark claw device

technical field

The invention relates to the field of marine devices, in particular to a shark claw device.

Background technique

The shark jaw device is mainly installed on the stern deck to realize the towing operation of ships with towing functions such as three-purpose workboats, tugboats, and salvage ships, and plays an important role on commercial ships. The shark claw device usually includes a box body, two retaining pin assemblies and a shark claw assembly. The shark claw assembly and the two retaining pin assemblies cooperate with each other in practical applications to form a shark claw device.

In the prior art, the shark jaws in the shark claw device are arranged behind two stop pins for clamping the cables or anchor chains. The two stop pins are combined into a door frame structure and inserted on the stern deck. To limit the swing range of the cable.

In the process of realizing the present invention, the inventor finds that there are at least the following problems in the prior art:

When working at sea, the hull sways left and right and longitudinally under the action of wind and waves, which makes it difficult for the cables or anchor chains to be locked in the frame structure formed by the two stop pin assemblies. At this time, it is necessary to rotate and adjust the two stop pin assemblies. In order to make the cable or anchor chain be locked in the frame structure formed by the two stop pin assemblies, but in actual use, each stop pin assembly is usually adjusted separately, and the two stop pins cannot be adjusted at the same time, which affects the operating efficiency.

Contents of the invention

In order to solve the problems in the prior art, an embodiment of the present invention provides a shark claw device. Described technical scheme is as follows:

A shark claw device, comprising a box body and at least one set of shark claw mechanisms, each set of shark claw mechanisms respectively includes a shark claw assembly, a first stop pin assembly and a second stop pin assembly, the shark claw assembly . The first stop pin assembly and the second stop pin assembly are respectively inserted into the shark claw interface and the two stop pin interfaces provided on the box, and the first stop pin assembly includes a sliding installation Corresponding to the first stop pin body in the stop pin interface, the second stop pin assembly includes a second stop pin body slidably installed in the corresponding stop pin interface, and the device also includes a first rotating body, The second rotating body, the rotating oil cylinder, the rotating oil cylinder seat and the connecting rod, the first rotating body is set on the outer peripheral wall of the first stop pin body which rotates synchronously with the first rotating body, the first rotating body The body is hinged with the telescopic end of the rotary cylinder, the fixed end of the rotary cylinder is hinged with the rotary cylinder base, the rotary cylinder base is fixedly arranged on the box body, and the two ends of the connecting rod are respectively connected with the The first rotating body is movably connected with the second rotating body, and the second rotating body is sleeved on the outer peripheral wall of the second blocking pin body which rotates synchronously with the second rotating body.

Further, the first rotating body is provided with a first through hole that is slidingly fitted with the first stop pin body, and the inner wall of the first through hole is provided with multiple rows of first guides along the axial direction of the first through hole. The outer peripheral wall of the first stopper pin is correspondingly provided with a plurality of rows of first guide grooves matched with the first guide protrusions, and the first guide protrusions are clamped in the first guide grooves so that the first guide protrusions A rotating body can only slide on the first locking pin body along the axial direction of the first locking pin body, and the first rotating body can drive the first locking pin body to rotate synchronously; the second rotating body is provided with the The second through hole of the second stop pin body sliding fit, the inner wall of the second through hole is provided with multiple rows of second guide protrusions along the axial direction of the second through hole, and the outer peripheral wall of the second stop pin body is correspondingly arranged There are multiple rows of second guide grooves matched with the second guide protrusions, and the second guide protrusions are clamped in the second guide grooves so that the second rotating body can only move axially along the second stop pin body. Sliding on the second stop pin body enables the second rotating body to drive the second stop pin body to rotate synchronously.

Further, a pair of oppositely arranged first connecting lugs are provided on the outer peripheral wall of the first rotating body, and the pair of first connecting lugs are connected by a cylinder pin, and the cylinder pin is connected to the rotary cylinder Telescopic end hinged.

Further, a pair of oppositely arranged second connecting lugs are provided on the outer peripheral wall of the first rotating body, and the pair of second connecting lugs are connected by a first connecting rod pin, and the first connecting rod The pin is hinged to one end of the connecting rod; a pair of oppositely arranged third connecting lugs are arranged on the outer peripheral wall of the second rotating body, and the pair of third connecting lugs are connected by a second connecting rod pin, The second link pin is hinged to the other end of the link.

Further, the first rotating body and the second rotating body are detachably connected at the bottom of the box.

Further, the shark pliers assembly includes a U-shaped pliers mouth, a pliers body slidably installed in the shark pliers interface, a pliers oil cylinder and a caliper oil cylinder base located under the box, and the pliers mouth is installed on the pliers The telescopic end of the caliper cylinder is connected to the caliper body through the caliper cylinder pin arranged radially along the caliper body, and the fixed end of the caliper cylinder is connected to the base of the caliper cylinder superior.

Furthermore, the axial bottom of the pliers is provided with a guide plate, and the guide plate is provided with a guide hole; the bottom of the box is provided with a guide rod slidingly fitted in the guide hole, and the guide rod is axially parallel to the axis of the pliers.

Preferably, the guide hole is a waist-shaped hole that matches the guide rod and is not closed, so as to facilitate the disassembly and assembly of the guide rod.

Preferably, the top of the box body is provided with a detachable waterproof coaming board corresponding to the shark jaw interface, and the top of the box body is provided with a detachable waterproof coaming plate corresponding to the stop pin interface; Both the shark claw waterproof enclosure and the stop pin waterproof enclosure are frame-shaped structures surrounded by at least two enclosures.

Further, both the shark jaw waterproof enclosure and the stop pin waterproof enclosure are provided with at least one drainage port.

The beneficial effect brought by the technical solution provided by the embodiment of the present invention is: the shark claw device provided by the present invention, since the first rotating body is sleeved on the peripheral wall of the first stop pin body, the first rotating body is hinged to the telescopic end of the rotating oil cylinder , and the fixed end of the rotary cylinder is hinged with the rotary cylinder seat. When the rotary cylinder is running, its telescopic end can drive the first rotating body to rotate. Since the first rotating body can rotate synchronously with the first stop pin body, it can drive the first The locking pin body rotates synchronously; and because the first rotating body is movably connected with the second rotating body set on the second locking pin body through the connecting rod, and the second rotating body can rotate synchronously with the second locking pin body, therefore, When the first rotating body is rotating, it can drive the second rotating body and the second locking pin body to rotate synchronously. The purpose of adjusting a stop pin assembly to improve operational efficiency.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is the structural representation of the shark jaw device that the embodiment of the present invention provides;

Fig. 2 is a schematic structural view of the working state of the shark jaw device provided by the embodiment of the present invention;

Fig. 3 is a top view structural schematic diagram of a shark claw device provided by an embodiment of the present invention;

Fig. 4 is a schematic diagram of the assembly of the first stop pin assembly and the second stop pin assembly according to the embodiment of the present invention;

Fig. 5 is a schematic diagram of the assembly of the first stop pin assembly and the second stop pin assembly according to the embodiment of the present invention;

Fig. 6 is a schematic structural diagram of a first rotating body according to an embodiment of the present invention;

7 is a schematic structural diagram of a second rotating body in an embodiment of the present invention;

Fig. 8 is the structural representation of the shark jaw assembly of the embodiment of the present invention;

Fig. 9 is a schematic structural diagram of a third cover plate according to an embodiment of the present invention;

Fig. 10 is a schematic structural diagram of a box body according to an embodiment of the present invention.

detailed description

In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

The embodiment of the invention discloses a shark claw device. Fig. 1 is the structure diagram of the embodiment of the present invention, with reference to Fig. 1, this device comprises box body 1 and a group of shark claw mechanism, and this group of shark claw mechanism respectively comprises a shark claw assembly 2, a first stop pin assembly 3 and a Second stop pin assembly 4.

Fig. 2 is a structural schematic view of the shark jaw device shown in Fig. 1 in working state. Referring to FIG. 2 , the shark claw assembly 2 , the first stop pin assembly 3 and the second stop pin assembly 4 are respectively inserted into the shark claw interface 1.1 and the two stop pin interfaces 1.2 provided on the box body 1 .

FIG. 3 is a schematic top view of the shark pliers device shown in FIG. 1 , and FIG. 4 and FIG. 5 are schematic diagrams of the assembly of the first stop pin assembly and the second stop pin assembly in the shark plier device shown in FIG. 1 . Referring to Fig. 3, Fig. 4 and Fig. 5, the first stop pin assembly 3 of the embodiment of the present invention includes a first stop pin body 3.1 slidably installed in the corresponding stop pin interface 1.2, and the second stop pin 4 includes a first stop pin body 3.1 slidably installed in the corresponding stop pin interface 1.2. The second stop pin body 4.1 in the pin interface 1.2; the device also includes the first rotating body 5, the second rotating body 6, the rotating oil cylinder 7, the rotating oil cylinder seat 9 and the connecting rod 8, and the first rotating body 5 is sleeved on it to synchronize On the outer peripheral wall of the rotating first stop pin body 3.1, the first rotating body 5 is hinged with the telescopic end of the rotary cylinder 7, the fixed end of the rotary cylinder 7 is hinged with the rotary cylinder seat 9, and the rotary cylinder seat 9 is fixedly arranged on the box body 1 Above, the two ends of the connecting rod 8 are respectively movably connected with the first rotating body 5 and the second rotating body 6, and the second rotating body 6 is sleeved on the outer peripheral wall of the second stop pin body 4.1 which rotates synchronously with it.

In the shark claw device of the embodiment of the present invention, since the first rotating body is sleeved on the outer peripheral wall of the first retaining pin body, the first rotating body is hinged with the telescopic end of the rotating oil cylinder, and the fixed end of the rotating oil cylinder is hinged with the rotating oil cylinder seat, and the rotation When the oil cylinder is running, its telescopic end can drive the first rotating body to rotate, because the first rotating body can rotate synchronously with the first stop pin body, and correspondingly can drive the first stop pin body to rotate synchronously; The connecting rod is movably connected with the second rotating body set on the second stop pin body, and the second rotating body can rotate synchronously with the second stop pin body, therefore, when the first rotating body rotates, it can drive the second rotating body It rotates synchronously with the second stop pin body, that is, through a rotary oil cylinder, the rotation of the first stop pin body and the second stop pin body can be controlled at the same time, so as to achieve the purpose of adjusting the two stop pin assemblies at the same time, so as to improve the operating efficiency.

In the embodiment of the present invention, the length of the connecting rod 8 can be set according to the debugging requirements. For example, when the rotary oil cylinder 7 is running, the first rotating body 5 and the first stop pin body 3.1 rotate clockwise synchronously, and the second rotating body 6 and the second rotating body The second gear pin body 4.1 rotates counterclockwise synchronously.

In the embodiment of the present invention, the connecting point between the connecting rod 8 and the first rotating body 5 and the connecting point between the rotating oil cylinder 7 and the first rotating body 5 need to have a certain distance to provide space for the first rotating body 5 to rotate. The points are preferably located on both sides of the first stop pin assembly 3 .

The shark claw interface 1.1 and the two retaining pin interfaces 1.2 of the embodiment of the present invention both extend from the top of the box body 1 to the bottom of the box body 1 .

Fig. 6 is a schematic structural diagram of a first rotating body according to an embodiment of the present invention. Referring to Fig. 6, the first rotating body 5 of the embodiment of the present invention can be provided with a first through hole 5.1 that is slidingly fitted with the first stopper body 3.1, and the inner wall of the first through hole 5.1 is provided with a plurality of holes along the axial direction of the first through hole 5.1. A row of first guide protrusions 5.2, the outer peripheral wall of the first stop pin body 3.1 is correspondingly provided with multiple rows of first guide grooves 3.1a that match the first guide protrusions, and the first guide protrusions 5.2 are clamped on the first guide protrusions. slot 3.1a, so that the first rotating body 5 can only slide on the first pin blocking body 3.1 along the axial direction of the first pin blocking body 3.1, and the first rotating body 5 can drive the first pin blocking body 3.1 to generate synchronous rotation; FIG. 7 is a schematic structural diagram of the second rotating body of the embodiment of the present invention; in combination with FIG. The inner wall of the hole 6.1 is provided with multiple rows of second guide protrusions 6.2 along the axial direction of the second through hole 6.1, and the outer peripheral wall of the second stop pin body 4.1 is correspondingly provided with multiple rows of second guide grooves that match the second guide protrusions 6.2 4.1a, the second guide protrusion 6.2 is clamped in the second guide groove 4.1a, so that the second rotating body 6 can only slide on the second pin stop body 4.1 along the axial direction of the second pin stop body 4.1, and can The second rotating body 6 can drive the second stop pin body 4.1 to rotate synchronously.

Referring to Fig. 6, a pair of oppositely arranged first connecting lugs 5.3 may be provided on the outer peripheral wall of the first rotating body 5 in the embodiment of the present invention, and the pair of first connecting lugs 5.3 are connected by a cylinder pin 5.4, and the cylinder pin 5.4 It is hinged with the telescoping end of the rotary cylinder 7 to realize the connection between the first rotating body 5 and the rotary cylinder 7 . The rotary oil cylinder base 9 of the embodiment of the present invention can be fixedly arranged at the bottom of the box body 1 .

6 and 7, a pair of oppositely arranged second connecting ear plates 5.5 may be provided on the outer peripheral wall of the first rotating body 5 according to the embodiment of the present invention, and a pair of second connecting ear plates 5.5 pass through the first connecting rod pin 5.6 connection, the first connecting rod pin 5.6 is hinged with one end of the connecting rod 8; and the outer peripheral wall of the second rotating body 6 can be provided with a pair of third connecting lugs 6.3 arranged oppositely, and a pair of third connecting lugs 6.3 pass through The second connecting rod pin 6.4 is connected, and the second connecting rod pin 6.4 is hinged with the other end of the connecting rod 8 to realize the connection between the first rotating body 5 and the second rotating body 6 .

Referring to FIG. 3 , the first rotating body 5 and the second rotating body 6 of the embodiment of the present invention can be detachably connected to the bottom of the box body 1 by screws. When debugging the first stop pin assembly 3 and the second stop pin assembly 4, the first rotating body 5 and the second rotating body 6 need to be removed from the bottom of the box body 1 so that they can rotate under the drive of the rotating cylinder 7; After the first stop pin assembly 3 and the second stop pin assembly 4 are debugged, the first rotating body 5 and the second rotating body 6 are fixed to the bottom of the box body 1 by screws to make the structure stable.

Referring to Fig. 4 and Fig. 5, the first stop pin assembly 3 of the embodiment of the present invention may also include a first cover plate 3.2, a first stop pin limiting plate 3.3, a first stop pin oil cylinder 3.4 and a first stop pin oil cylinder base 3.5 , the first cover plate 3.2 is detachably connected to the axial top of the first pin stop body 3.1 by screws, the first pin stop plate 3.3 is arranged on the axial bottom of the first pin stop body 3.1, the first cover plate 3.2 and the first The stop pin limit plate 3.3 can limit the sliding position of the first rotating body 5 on the first stop pin body 3.1, and the telescopic end of the first stop pin oil cylinder 3.4 passes through the first pin oil cylinder pin 3.6 radially arranged in the first stop pin body 3.1 It is connected with the first stop pin body 3.1, and the fixed end of the first stop pin oil cylinder 3.4 is connected on the base 3.5 of the first stop pin oil cylinder; the second stop pin assembly 4 can also include a second cover plate 4.2, a second stop pin limit plate 4.3. The second stop pin oil cylinder 4.4 and the second stop pin oil cylinder base 4.5, the second cover plate 4.2 is detachably connected to the axial top of the second stop pin body 4.1 through screws, and the second stop pin limit plate 4.3 is set on the second stop pin body 4.3. The axial bottom of the stop pin body 4.1, the second cover plate 4.2 and the second stop pin limit plate 4.3 can limit the sliding position of the second rotating body 6 on the second stop pin body 4.1, and the telescopic end of the second stop pin oil cylinder 4.4 passes The second pin oil cylinder pin 4.6 radially arranged in the second pin stop body 4.1 is connected with the second pin stop body 4.1, and the fixed end of the second pin stop oil cylinder 4.4 is connected on the base 4.5 of the second pin stop pin oil cylinder.

Fig. 8 is a schematic structural diagram of a shark jaw assembly according to an embodiment of the present invention. Referring to Fig. 8, the shark pliers assembly 2 of the embodiment of the present invention may include a U-shaped jaw 2.1, a pliers body 2.2 slidably installed in the shark pliers interface 1.1, a pliers oil cylinder 2.3 and a pliers oil cylinder located below the box body 1 The base 2.4, the pliers mouth 2.1 are installed on the axial top of the caliper body 2.2, the telescopic end 2.3 of the caliper body cylinder is connected to the caliper body 2.2 through the caliper body cylinder pin 2.5 arranged in the inner radial direction of the caliper body 2.2, and the fixed end of the caliper body oil cylinder 2.3 is connected to the caliper body On the oil cylinder base 2.4; the axial bottom of the clamp body 2.2 is provided with a guide plate 2.6, and the guide plate 2.6 is provided with a guide hole 2.7, and the guide hole 2.7 is axially parallel to the axial direction of the clamp body 2.2; the bottom of the box body 1 is provided with a sliding fit in the guide hole The guide rod 1.3 in 2.7, the axial direction of the guide rod 1.3 is parallel to the axial direction of the caliper body 2.2. The guide rod 1.3 can pull the shark pliers assembly 2 when it rises or falls. In addition, when the shark pliers assembly 2 is working, the pliers body 2.2 and the jaw 2.1 are not easy to rotate, and the next rising clamp of the pliers body 2.2 will not Make an impact and have good stability.

Referring to Fig. 8, the guide hole 2.7 of the embodiment of the present invention can be a waist-shaped hole that matches the guide rod 1.3 and is not closed, so as to facilitate the disassembly and assembly of the guide hole 2.7.

Referring to Fig. 8, the top of the pliers mouth 2.1 of the embodiment of the present invention can be provided with a third cover plate 2.8, Fig. 9 is a schematic structural diagram of the third cover plate of the embodiment of the present invention, referring to Fig. 9, the third cover plate 2.8 faces the pliers mouth 2.1 A sealing ring 2.11 may be provided between the edge of the end face and the side wall of the pliers mouth 2.1, the third cover plate 2.8 is provided with a fourth connecting ear plate 2.9 towards the middle of the end face of the pliers mouth 2.1, and the third cover plate 2.8 passes through the fourth connecting ear plate The cooperation between 2.9 and the lock pin 2.10 is installed on the pliers mouth 2.1, and the lock pin 2.10 is radially arranged in the pliers mouth 2.1 inside the pliers mouth 2.1.

Referring to Fig. 10 , in the embodiment of the present invention, a shark clamp waterproof coaming 1.4 is detachably provided by screws at the top of the box body 1 corresponding to the shark clamp interface 1.1, and a stop pin is detachably provided at the top of the box body 1 corresponding to the stop pin interface 1.2 by screws The waterproof enclosure 1.5; the opening size of the shark jaw waterproof enclosure 1.4 matches the outer contour of the third cover plate 2.8 in the shark jaw assembly 2, and the opening size of the stop pin waterproof enclosure 1.5 matches the first stop pin assembly 3 respectively. The first cover plate 3.2 in and the second cover plate 4.2 in the second stop pin assembly 4 are matched. The shark clamp waterproof coaming plate 1.4 and the stop pin waterproof coaming plate 1.5 of the embodiment of the present invention are detachably connected to the top plate of the box body 1 by screws instead of welding, which can facilitate the assembly of the shark clamp assembly and the stop pin assembly Install.

With reference to Fig. 10, the shark clamp waterproof coaming 1.4 and the stop pin waterproof coaming 1.5 of the embodiment of the present invention can both be frame-shaped structures surrounded by at least two coaming monomers, so as to facilitate the shark clamp waterproof coaming 1.4 and the baffle The disassembly and assembly of the pin waterproof hoarding 1.5.

With reference to Fig. 10, the shark clamp waterproof coaming 1.4 and the stop pin waterproof coaming 1.5 of the embodiment of the present invention can be provided with at least one drain port 1.6 to prevent the shark clamp waterproof coaming 1.4 and the stop pin waterproof coaming 1.5 from producing accumulation For water, the drain port 1.6 can be arranged between the butted ends of adjacent shroud monomers.

Referring to Fig. 1, Fig. 2 and Fig. 10, in the embodiment of the present invention, several weight reducing holes 1.7 may be provided on the side wall of the box body 1 to reduce the weight.

The use process of the shark claw device provided by the embodiment of the present invention is as follows:

When the shark pliers device of the embodiment of the present invention is installed with the hull, the upper side of the box body 1 is welded with the hull deck, and the clamp body oil cylinder base 2.4, the first stop pin oil cylinder 3.4, the second stop pin oil cylinder 4.4 and the guide rod 1.3 are connected to the ship deck. The base of the lower cabin is welded. Under the action of the caliper body oil cylinder 2.3, the caliper body 2.2 rises along the shark jaw interface 1.1 and reaches the upper limit; under the action of the first stop pin oil cylinder 3.4 and the second stop pin oil cylinder 4.4, the first stop pin body 3.1 and the second stop pin The stop pin body 4.1 rises along the corresponding stop pin interface 1.2 respectively, and reaches the upper limit under the action of the first stop pin limiting plate 3.3 and the second stop pin limiting plate 4.3; under the action of the rotary cylinder 7, the first The stop pin body 3.1 and the second stop pin body 4.1 rotate, and make the first cover plate 3.2 and the second cover plate 4.2 opposite; under the action of the caliper body oil cylinder 2.3, the caliper body 2.2 descends along the shark pliers interface 1.1 and falls on the third The cover plate 2.8 moves down to the lower limit; under the action of the first pin stop cylinder 3.4 and the second pin stop cylinder 4.4, the first pin stop body 3.1 and the second pin stop body 4.1 descend along the corresponding pin stop interface 1.2 respectively, And under the action of the first cover plate 3.2 and the second cover plate 4.2 to the lower limit; under the action of the rotary cylinder 7, the first stop pin body 3.1 and the second stop pin body 4.1 rotate, and make the first cover plate 3.2 And the second cover plate 4.2 returns.

In addition, the shark jaw device of the embodiment of the present invention has the advantages of simple structure, low cost, convenient assembly and disassembly, reliable performance, and strong practicability.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (10)

1. a shark pincer device, including casing (1) and least one set shark jaw mechanism, often organizes described shark jaw mechanism and wraps respectively Include a shark jaw assembly (2), a first gear pin assemblies (3) and a second gear pin assemblies (4), described shark jaw assembly (2), described first gear pin assemblies (3) and described second gear pin assemblies (4) correspondence respectively are inserted into what described casing (1) was provided with In shark jaw interface (1.1) and two backing pin interfaces (1.2), described first gear pin assemblies (3) includes being slidably mounted on corresponding institute Stating the first gear shank (3.1) of backing pin interface interior (1.2), described second gear pin assemblies (4) includes being slidably mounted on described in correspondence Second gear shank (4.1) in backing pin interface (1.2), it is characterised in that

Described device also includes the first rotary body (5), the second rotary body (6), rotary oil cylinder (7), rotary oil cylinder seat (9) and connecting rod (8), described first rotary body (5) is sleeved on the described first gear shank (3.1) with described first rotary body (5) synchronous axial system On periphery wall, described first rotary body (5) is hinged with the telescopic end of described rotary oil cylinder (7), fixing of described rotary oil cylinder (7) Holding hinged with described rotary oil cylinder seat (9), described rotary oil cylinder seat (9) is fixedly installed on described casing (1), described connecting rod Two ends are flexibly connected with described second rotary body (6) with described first rotary body (5) respectively, and described second rotary body (6) is set with With on the periphery wall of the described second gear shank (4.1) of described second rotary body (6) synchronous axial system.

Shark pincer device the most according to claim 1, it is characterised in that described first rotary body (5) is provided with described The first through hole (5.1) that first gear shank (3.1) is slidably matched, described first through hole (5.1) inwall is along described first through hole (5.1) axially arranged have multiple row the first guide protrusions (5.2), described first gear shank (3.1) periphery wall is correspondingly arranged on many The first gathering sill (3.1a) that row match with described first guide protrusions；Described second rotary body (6) is provided with and described The second through hole (6.1) that two backing pin bodies (4.1) are slidably matched, described second through hole (6.1) inwall is along described second through hole (6.1) Axially arranged have multiple row the second guide protrusions (6.2), and described second gear shank (4.1) periphery wall is correspondingly arranged on multiple row and institute State the second gathering sill (4.1a) that the second guide protrusions (6.2) matches.

Shark pincer device the most according to claim 1 and 2, it is characterised in that on the periphery wall of described first rotary body (5) Being provided with a pair positioned opposite first and connect otic placode (5.3), described in a pair, first connects between otic placode (5.3) by oil cylinder pin (5.4) connecting, described oil cylinder pin (5.4) is hinged with described rotary oil cylinder (7) telescopic end.

Shark pincer device the most according to claim 1 and 2, it is characterised in that on the periphery wall of described first rotary body (5) It is provided with a pair positioned opposite second and connects otic placode (5.5), described in a pair between second connection otic placode (5.5) by first even Lever pin (5.6) connects, and described first connecting rod pin (5.6) is hinged with described connecting rod (8) one end；Outside described second rotary body (6) It is provided with a pair positioned opposite the 3 on perisporium and connects otic placode (6.3), pass through between the 3rd connection otic placode (6.3) described in a pair Second connecting rod pin (6.4) connects, and described second connecting rod pin (6.4) is hinged with described connecting rod (8) other end.

Shark pincer device the most according to claim 1 and 2, it is characterised in that described first rotary body (5) and described second Rotary body (6) is detachably connected on described casing (1) bottom.

Shark pincer device the most according to claim 1 and 2, it is characterised in that described shark jaw assembly (2) includes that U-shaped is tied The jaw (2.1) of structure, the caliper (2.2) being slidably mounted in shark jaw interface (1.1), be positioned at casing (1) lower section caliper oil Cylinder (2.3) and caliper cylinder pedestal (2.4), described jaw (2.1) is arranged on described caliper (2.2) axially top, described caliper The telescopic end (2.3) of oil cylinder is by caliper oil cylinder pin (2.5) of described caliper (2.2) interior radial arrangement and described caliper (2.2) Connecting, the fixing end of described caliper oil cylinder (2.3) is connected on described caliper cylinder pedestal (2.4).

Shark pincer device the most according to claim 6, it is characterised in that described caliper (2.2) axially bottom is provided with leads Pilot hole (2.7) it is provided with on plate (2.6), described guide plate (2.6)；Described casing (1) bottom is provided with and is slidably fitted in Guide post (1.3) in described pilot hole (2.7), described guide post (1.3) is the most axially in parallel with described caliper (2.2).

Shark pincer device the most according to claim 7, it is characterised in that described pilot hole (2.7) is and described guide post (1.3) match and the mounting hole do not closed.

Shark pincer device the most according to claim 1, it is characterised in that the corresponding described shark jaw in described casing (1) top Interface (1.1) place is provided with the waterproof coaming plate of dismountable shark jaw (1.4), the corresponding described backing pin interface in described casing (1) top (1.2) place is provided with the waterproof coaming plate of dismountable backing pin (1.5)；The waterproof coaming plate of described shark jaw (1.4) and described backing pin are waterproof Coaming plate (1.5) is all for the frame-shaped construction surrounded by least two coaming plate monomer.

Shark pincer device the most according to claim 9, it is characterised in that the waterproof coaming plate of described shark jaw (1.4) and described The waterproof coaming plate of backing pin (1.5) is all at least provided with a discharge outlet (1.6).