CN215904720U - Underwater carrying and fixing system - Google Patents

Abstract

The utility model discloses an underwater carrying and fixing system, which comprises a buoyancy main body, a nail gun and a coaxial connector, wherein a carrying cavity is formed in the buoyancy main body; the nail gun is used for triggering the nail to be connected with a target object; the coaxial connector is used for being connected with the execution component, is provided with a release ring which is coaxially arranged with the nail gun, and is provided with a linkage component between the release ring and the tail end of the nail gun. Satisfy object carrying under water to with executive component high-speed joint and break away from under the blind operation condition, perhaps fix fast as required and to the target object on, improve the execution efficiency greatly, have more extensive application scene, and overall structure is compact reliable, can realize zero buoyancy, change in the miniaturization, easy operation, and have good portability etc..

Description

Underwater carrying and fixing system

Technical Field

The utility model belongs to the field of underwater carrying positioning equipment, and particularly relates to an underwater carrying fixing system.

Background

In deep water engineering projects or other operation activities, a robot or a mechanical arm is often matched with carrying equipment to carry out carrying and executing related tasks automatically, such as carrying an underwater camera or positioning equipment, realizing real-time monitoring of channel water flow and environment, ensuring the safety of passing ships, or carrying civil directional blasting equipment, implementing directional blasting on underwater obstacles during underwater rescue, and fixing the underwater obstacles on a target object after the underwater obstacles are conveyed to a target area by the carrying equipment of the robot and the equipment of the robot and then separating the underwater obstacles.

In the prior art, some carrying devices are provided for some application scenes, but most of the carrying devices have the problems that the carrying devices cannot be matched with a robot to realize quick fixation with a target object or can not be quickly separated from the robot, the overall convenience is relatively poor, the application range is narrow, and the carrying devices are particularly not favorable for application of blasting sensitive scenes.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides an underwater embarkation fixing system to solve the problems in the prior art that an underwater embarkation device cannot be quickly separated from an execution robot, and can be quickly fixed to a target object.

The technical scheme is as follows:

an embarkation fixing system under water is characterized by comprising:

the buoyancy body is internally provided with a carrying cavity;

the nail gun is fixedly arranged on the buoyancy body and used for triggering the nail shooting to be connected with a target object;

the coaxial connector is fixedly arranged on the buoyancy body, is used for being connected with the execution component, is provided with a release ring which is coaxially arranged with the nail gun, and is provided with a linkage component between the release ring and the tail end of the nail gun.

Scheme more than adopting, the buoyancy main part mainly plays the effect of bearing, and the accessible changes buoyancy main part volume or material and realizes the whole zero buoyancy in aqueous of carrier, will power actuated setting device and coaxial connector structure intercombination simultaneously, makes it can enough be connected with the target object fast, can break away from with the executive component unblock fast again, and the almost synchronization goes on, improves the efficiency of execution greatly, and satisfies multiple occasion and uses etc..

Preferably, the method comprises the following steps: the coaxial connector comprises a hollow cylindrical shell, one end of the shell is open to form a connecting end, a connecting pipe which is coaxially arranged with the shell and is relatively fixed to the shell is arranged in the shell, an annular space is formed between the connecting pipe and the shell, a unlocking ring is sleeved on the connecting pipe and is positioned in the annular space, a lock hole is formed in the connecting pipe and corresponds to the unlocking ring, and a connecting clamping ball which is matched with the lock hole is arranged in the lock hole;

the unlocking ring can slide between a locking position and an unlocking position along the connecting pipe, when the unlocking ring is positioned at the locking position, the unlocking ring applies inward pressure along the radial direction of the connecting pipe to the connecting clamping ball, and the connecting clamping ball is abutted against the bottom of the lock hole and at least partially protrudes to the inner cavity of the connecting pipe;

when the unlocking ring is located at the unlocking position, the connecting clamping ball can move outwards along the radial direction of the connecting pipe and is retracted into the locking hole, and an elastic retaining piece used for keeping the unlocking ring at the locking position is arranged in the annular space.

By adopting the scheme, the position and the stress state of the connecting clamping ball are controlled by utilizing the sliding of the unlocking ring, so that the connection or the disconnection with the execution component is realized, and the structure is simpler and more compact, the implementation is convenient, the cost is lower, the repeated use or the replacement is convenient, and the like.

Preferably, the method comprises the following steps: the lockholes are uniformly distributed along the circumferential direction of the connecting pipe. By adopting the scheme, the connection locking stress uniformity of the connecting pipe and the executing component can be improved, and the situation that the executing component is damaged or separated due to uneven stress is prevented.

Preferably, the method comprises the following steps: the inner side of the unlocking ring is provided with an avoiding part which is recessed outwards along the radial direction of the unlocking ring, the avoiding part is positioned on one side far away from the connecting end, the elastic retaining piece is positioned on one side close to the connecting end relative to the unlocking ring, and the connecting pipe is sleeved with a pressing coil and an unlocking spring in a sliding mode;

the pressing movable ring and the unlocking spring are positioned on one side opposite to the elastic retaining piece, one end of the pressing movable ring is abutted to the unlocking ring, the other end of the pressing movable ring is abutted to the unlocking spring, one end, far away from the unlocking ring, of the unlocking spring is fixed on the connecting pipe, the pressing movable ring is fixed relative to the connecting pipe through a pressing movable ring clamping ball, a through hole for the linkage component to extend into is formed in one end, opposite to the connecting end, of the shell, the releasing ring can slide towards the unlocking ring under the action of the linkage component to release the pressing movable ring clamping ball, and the pressing movable ring can push the unlocking ring to move from a locking position to an unlocking position under the action of the unlocking spring.

Scheme more than adopting, between pressure movable coil and the release circle, adopt and the connecting pipe and separate the similar locking structure between the catch, the processing of being convenient for, and through unblock spring and the cooperation of elastic retainer, the position of the catch is separated in easier control, after the release of pressure movable coil card ball, unblock spring releases fast, can make the pressure movable coil promote the unblock ring and reach the unblock position, release the connection card ball, thereby make connecting pipe and executive component separation, it is at the elastic retainer effect with the catch of separating thereupon, reverse movement resumes the locking position again.

Preferably, the method comprises the following steps: the outer end of the connecting pipe is fixedly connected with the shell through a fixing ring, a return spring is arranged between the inner end of the connecting pipe and the end part of the release ring, and the release ring can be reset under the action of the return spring and is abutted against the inner end wall of the shell. By adopting the scheme, after the thrust of the linkage component disappears, the release ring can reset under the action of the reset spring so as to unlock next time, and the repeated use is facilitated.

Preferably, the method comprises the following steps: the unlocking ring is provided with an operating part which extends outwards along the radial direction of the unlocking ring, the operating part protrudes to the outer side of the shell, and the shell is provided with a notch for the sliding of the operating part. By adopting the scheme, the loader and the executing component are required to be separated in advance under certain conditions, and when the shooting of the nail is not required, the unlocking ring can be controlled by the operating part to move towards the connecting end to realize unlocking, and the two unlocking modes are matched, so that the device is relatively more applicable and reliable.

Preferably, the method comprises the following steps: the nail gun comprises a gun barrel, a buffer sleeve movably sleeved at the tail end of the gun barrel and a firing pin arranged in the gun barrel, wherein a firing pin spring is arranged between the firing pin and the tail end of the gun barrel, and a front cover of the gun barrel is sleeved at the front end of the gun barrel;

have the spacing step of mutual matching between buffer tube front end and the barrel, spacing step is used for limiting the barrel towards the direction motion of keeping away from coaxial connector, the firing pin is through firing pin card ball and barrel locking relatively, and the firing pin spring is in the compression gesture to can follow the barrel and remove to firing pin card ball release towards coaxial connector, so that firing pin and barrel unblock, the linkage part stretch into in the buffer tube with barrel tail end fixed connection.

Scheme more than adopting, the barrel, the firing pin, firing pin card ball and buffer tube constitute front end trigger structure, only contact and produce certain pressure with the target object when the barrel front end promptly, make the barrel wholly move one section distance rear accessible firing pin firing nail backward, traditional attacker trigger structure relatively, this kind of structure is more suitable for under water in the complex environment, because will touch just can the firing, so and the target object between be connected the reliability higher, it is sealed also easier simultaneously to penetrating the nail, think about ingeniously, be convenient for implement.

Preferably, the method comprises the following steps: the barrel includes tail end installation section and front end extension section, tail end installation section external diameter is greater than front end extension section external diameter, the position that is close to tail end installation section on the front end extension section has along its circumference evenly distributed's firing pin lockhole, the firing pin lockhole suits with firing pin card ball, the firing pin tail end have with the arc annular that the firing pin card ball suited. Barrel structure more than adopting, step between tail end installation section and the front end extension section just with spacing step cooperation, be convenient for realize restricting barrel axial displacement direction, meanwhile, when the barrel moves backward, the firing pin card ball also deviates from more easily and realizes the firing pin unblock.

Preferably, the method comprises the following steps: the barrel is characterized in that a sealing tube with a hollow structure is sleeved on the front end extension section, two ends of the sealing tube are in sealing contact with the extension section, the end of the sealing tube is close to the front end face of the barrel, and the front end of the barrel is close to the end part and is provided with a pressure relief hole communicated with the inside of the sealing tube. Scheme more than adopting, through sealed tube and pressure release hole cooperation, realize carrying out the pressure release to the cavity that penetrates in the nail removal stroke, prevent that pressure is too big, and the impact force of penetrating the nail produces the influence or the barrel structure causes destruction, and the leakproofness is fully considered to the sealed tube simultaneously, prevents that liquid from invading, can not exert an influence to penetrating the nail.

Preferably, the method comprises the following steps: the power actuated setting device and the coaxial connector are both arranged on the lower side in the buoyancy body, and the power actuated setting device and the coaxial connector are both fixedly connected with each other and extend into the fixed support of the carrying cavity. Scheme more than adopting, the thing of taking during the use is located and carries on the intracavity, and accessible fixed bolster links to each other with power actuated setting device and coaxial connector simultaneously, forms the skeleton texture of whole carrier, is favorable to guaranteeing holistic stability, strengthens whole shock resistance ability etc..

Compared with the prior art, the utility model has the beneficial effects that:

the underwater carrying fixing system provided by the utility model can meet the carrying of underwater objects, can be quickly connected and separated with the execution component under the blind operation condition, or can be fixed and quickly fixed on the target object as required, and can be almost synchronously fixed with the target and separated from the execution component, so that the execution efficiency is greatly improved, the underwater carrying fixing system has wider application scenes, has compact and reliable integral structure, can realize zero buoyancy, is easier to miniaturize, is simple to operate, has good portability and the like.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is an isometric view of FIG. 2;

FIG. 4 is a cross-sectional view of FIG. 1;

fig. 5 is a perspective view of the coaxial connector;

FIG. 6 is a cross-sectional view of FIG. 5;

FIG. 7 is a perspective view of the connecting tube;

FIG. 8 is a cross-sectional view of the unlocking ring;

FIG. 9 is a perspective view of the nail gun;

FIG. 10 is a cross-sectional view of the nail gun;

FIG. 11 is a perspective view of the barrel;

FIG. 12 is a cross-sectional view of the barrel;

FIG. 13 is a schematic view of the striker pin configuration;

FIG. 14 is a schematic view of a buoyant body structure.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 14, the underwater embarkation fixing system mainly comprises a buoyancy body 100, a nail gun 200 and a coaxial connector 300, both of which are fixed on the buoyancy body 100, wherein the buoyancy body 100 is mainly used for balancing buoyancy of the whole embarkation device, and adjusting the volume or material thereof as required to realize underwater zero buoyancy of the embarkation device, and at the same time, a embarkation cavity 110 is arranged therein and mainly used for placing a fixed embarkation object 400, and the nail gun 300 is mainly used for firing the installed nail 290, so that the whole underwater embarkation fixing system can realize relative fixation with a target object, in the application, the coaxial connector 300 is mainly used for being connected with an execution part 500 and being coaxially arranged with the nail gun 200, and is provided with a release ring 310 coaxially arranged with the nail gun 200, a linkage part 210 is arranged between the release ring 310 and the tail end of the nail gun 200, when the nail gun 200 fires the nail 290, the release ring 310 can be triggered by the linkage part 210 to move back to the nail gun 290, to unlock coaxial connector 300 from an associated actuator 500.

Referring to fig. 2 to 8, the coaxial connector 300 of the present application mainly includes a hollow cylindrical housing 320, one end of the housing 320 is open to form a connection end, a connection pipe 330 is coaxially disposed and fixed in the housing 320, the connection pipe 330 is also open near the connection end of the housing 320, an outer diameter of the connection pipe 330 is smaller than an inner diameter of the housing 320, a gap between the two forms an annular space 350, an unlocking ring 340 is sleeved on the connection pipe 330, the unlocking ring 340 is disposed in the annular space 350, a locking hole 331 is disposed on the connection pipe 330 corresponding to the unlocking ring 340, and the locking hole 331 is configured with a connection locking ball 332 adapted thereto;

the unlocking ring 340 can slide along the connecting pipe 330 between a locking position and an unlocking position and cling to the outer wall of the connecting pipe 330, when the unlocking ring 340 is located at the locking position, the unlocking ring 340 applies a pressure to the connecting clamping ball 332 in the radial direction inwards along the connecting pipe 330, so that the connecting clamping ball 332 abuts against the bottom of the locking hole 331 and at least partially protrudes into the inner cavity of the connecting pipe 330, it should be noted that the executing component 500 is provided with a connecting ring groove adapted to the connecting clamping ball 332, and when the executing component 500 is inserted into the connecting pipe 330, the connecting ring groove is opposite to the locking hole 331, and the connecting clamping ball 332 is subjected to the pressure from the unlocking ring 340, connection and locking between the executing component 500 and the connecting pipe 330 are realized.

When the unlocking ring 340 is located at the unlocking position, the actuating member 500 only needs to move relative to the connecting tube 330, and the connecting snap balls 332 can move radially outward along the connecting tube 330 under the guiding action of the connecting ring groove and retract into the locking holes 331, so as to separate and unlock the actuating member 500 from the connecting tube 330.

The inside of the unlocking ring 340 is provided with an avoiding portion 341 which is recessed outwards along the radial direction, specifically, as shown in the figure, the avoiding portion 341 is close to the middle of the unlocking ring 340, one side of the unlocking ring 340 close to the connecting end is provided with a locking portion 343, the inner diameter of the locking portion 343 is smaller than the inner diameter of the avoiding portion 341 but larger than the minimum inner diameter of the unlocking ring 340, and the locking portion 343 and the avoiding portion 341 adopt chamfer transition, when the avoiding portion 341 is over against the connecting detent ball 332, the connecting detent ball 332 can be completely withdrawn from the connecting ring groove of the executing component 500, the position of the locking ring 340 is the unlocking position, correspondingly, when the locking portion 343 is over against the connecting detent ball 332, at least part of the connecting detent ball 332 protrudes into the connecting ring groove of the executing component 500, and the position of the unlocking ring 340 is the locking position.

The elastic holding member 351 is located on a side close to the connection end opposite to the unlocking ring 340, in this embodiment, a spring is preferably used as the elastic holding member 351, an outer end (i.e., an end close to the connection end) of the connection pipe 330 is fixedly connected with the housing 320 through a fixing ring 360, the fixing ring 360 is of an internal and external thread structure and is simultaneously connected with the connection pipe 330 and the housing 320 through threads, and two ends of the elastic holding member 351 respectively abut against the fixing ring 360 and the unlocking ring 340.

The connection tube 330 is slidably sleeved with a pressing ring 352 and an unlocking spring 353, as shown in the figure, the pressing ring 352 and the unlocking spring 353 are located at one side opposite to the elastic holder 351, one end of the pressing ring 352 abuts against the unlocking ring 340, the other end of the pressing ring abuts against the unlocking spring 353, one end of the unlocking spring 353 remote from the unlocking ring 340 is fixed on the connection tube 330, the pressing ring 352 is fixed with the connection tube 330 by a pressing ring locking ball 354, referring to fig. 6 and 7 in particular, the pressing ring 352 is provided with a pressing ring locking hole 3520 uniformly distributed along the circumferential direction thereof, the pressing ring locking hole 3520 is adapted to the pressing ring locking ball 354, the connection tube 330 is provided with a pressing ring locking ring groove 333 adapted to the pressing ring locking ball 354, when the inner wall of the pressing ring 352 is tightly attached to the connection tube 330, when the pressing ring locking hole 3520 is aligned with the pressing ring locking ring groove 333, the pressing ring locking ball 354 partially protrudes into the pressing ring locking ring groove 333 under the action of gravity or pressure, the relative fixation of the pressing ring 352 and the connecting pipe 330 is thus achieved, but it is of course necessary to apply an adjustable pressure limit to the pressing ring detent ball 354 by means of other structures in order to maintain the reliability of the fixation.

As shown in the figures, the releasing ring 310 is a cylindrical structure with an open end, the outer diameter of the releasing ring 310 is adapted to the inner diameter of the housing 320, the releasing ring can slide towards the unlocking ring 340 under the action of the linking component 210 to release the pressing ring clamping ball 354, the pressing ring 352 can push the unlocking ring 340 to move from the locking position to the unlocking position under the action of the unlocking spring 353, the releasing part 312 is arranged at the end of the releasing ring 310 close to the open end of the housing 320, the end of the releasing part 312 is turned inwards to form a pressing part 311, the structure of the releasing part is similar to that of the unlocking ring 340, when the pressing part 311 is opposite to the pressing ring clamping ball 354, the pressing ring clamping ball 354 can be partially pressed into the pressing ring locking ring groove 333, so that the pressing ring 352 and the connecting pipe 330 are relatively fixed, when the releasing ring 310 slides towards the locking ring 340, when the releasing part 312 is opposite to the pressing ring clamping ball 354, the pressing ring clamping ball 354 is not limited by the outside, and can be easily removed from the pressing ring locking ring groove 333 and enter the pressing ring locking hole 3520, at this time, the pressing ring 352 can slide relative to the connecting pipe 330, the unlocking spring 353 is in a compressed state in a normal state, and when the pressing ring 352 is not limited by the pressing ring clamping ball 354, the unlocking spring 353 is released, so that the pressing ring 352 can be pushed to quickly push the unlocking ring 340 which is abutted against the pressing ring to move towards the connecting end to achieve the unlocking position.

On the other hand, a return spring 370 is disposed between the inner end of the connection pipe 330 and the end of the release ring 310, and in a normal state, the release ring 310 is urged against the inner end wall of the housing 320 by the return spring 370, and at this time, the pressing portion 311 faces the pressing ring detent ball 354, so that the pressing ring 352 is maintained in a relatively fixed state with respect to the connection pipe 330.

The end wall of the housing 320 opposite to the end far from the connecting end is provided with a through hole 321 for the linkage component 210 to extend into, and the through hole 321 can directly contact with the release ring 310 to press the release ring.

In the practical application process, in order to prevent the occurrence of connection failure due to misoperation, a corresponding precaution structure is further provided in the embodiment, as shown in the figure, a safety ring groove 313 is provided at one end of the release ring 310 close to the via hole 321, at least one safety pin hole 323 is correspondingly provided on the housing 320, when the end of the release ring 310 abuts against the end of the housing 320, the safety ring groove 313 just faces the safety pin hole 323, at this time, the safety pin can be used to lock the release ring 310 and the safety pin, and subsequently, when the release ring 310 needs to be pressed for unlocking, the safety pin needs to be pulled out to be taken down, so that the safety is relatively improved.

In order to further improve the reliability and the operation convenience of the coaxial connector 300, in implementation, the locking holes 331 are uniformly distributed along the circumferential direction of the connecting pipe 330 to ensure that the connection stress between the connecting pipe 300 and the executing component 500 is relatively balanced, meanwhile, the unlocking ring 340 is provided with the operating part 342 extending outwards along the radial direction of the unlocking ring, the operating part 342 protrudes to the outer side of the shell 320, and the shell 320 is provided with the notch 322 for the sliding of the operating part 342.

Referring to fig. 4 and 9 to 13, the difference between the nail gun 200 of the present application and the conventional structure mainly lies in the end triggering, and the specific structure thereof is as shown in the figure, including a barrel 220, a buffer sleeve 230 movably sleeved on the rear end of the barrel 220, and a firing pin 240 disposed inside the barrel 220, a firing pin spring 250 is disposed between the firing pin 240 and the rear end of the barrel 220, and a barrel front cover 224 is sleeved on the front end of the barrel 220.

A mutually matched limiting step 231 is arranged between the front end of the buffer sleeve 230 and the barrel 220, the limiting step 231 is used for limiting the movement of the barrel 220 in the direction away from the coaxial connector 300, the firing pin 240 is relatively locked with the barrel 220 through the firing pin clamping ball 260, the firing pin spring 250 is in a compression posture and can move towards the coaxial connector 300 along with the barrel 220 until the firing pin clamping ball 260 is released, so that the firing pin 240 is unlocked with the barrel 220, the firing pin 240 moves forwards under the action of the firing pin spring 250 to fire the firing pin 290, and the linkage part 210 extends into the buffer sleeve 230 and is fixedly connected with the tail end of the barrel 220.

Specifically, buffer sleeve 230 is arranged coaxially with barrel 220, barrel 220 is generally a hollow T-shaped structure, and includes a tail end installation section 221 and a front end extension section 222, the outer diameter of tail end installation section 221 is greater than the outer diameter of front end extension section 222, the tail end of buffer sleeve 230 has a sleeve rear cover 232 that is detachably arranged, the outer diameter of tail end installation section 221 is adapted to the inner diameter of buffer sleeve 230, and is entirely located in buffer sleeve 230, a buffer spring 233 is arranged between tail end installation section 221 and sleeve rear cover 232, and tail end installation section 221 abuts against limiting step 231 (i.e. the front end inner wall of buffer sleeve 230) under the action of buffer spring 233.

The front end extension 222 is provided with firing pin locking holes 223 evenly distributed along the circumference thereof near the rear end mounting section 221, the firing pin locking holes 223 are adapted to the firing pin ball 260, the rear end of the firing pin 240 is provided with an arc-shaped annular groove 241 adapted to the firing pin ball 260, the structure is similar to the locking structure between the actuating unit 500 and the connecting pipe 300 in the coaxial connector 300, in the initial state, the rear end mounting section 221 abuts against the limiting step 231 under the action of the buffer spring 233, the position of the firing pin ball 260 in the firing pin locking hole 223 is limited by the end wall of the buffer sleeve 230, so as to ensure that the firing pin ball 260 is partially locked in the arc-shaped annular groove 241, the firing pin 240 is locked, when the front end of the barrel 220 is subjected to axial pressure, the barrel 220 integrally comprises the inner parts which all move towards the sleeve rear cover 232, and the firing pin ball 260 follows to move into the inner cavity of the buffer sleeve 230 and is not limited by the end wall thereof, at this time, the striker spring 250 releases the instant pushing force applied to the striker 240, so that the striker 240 moves forward to trigger the front nail 290.

In order to ensure that loading of spike 290 is substantially protected from environmental fluids, in this embodiment, a barrel front plug 229 is further provided at the front end of barrel 220, barrel front plug 229 is inserted into barrel 220 with a first sealing ring 2290 therebetween, and barrel front cap 224 is threadedly secured to the outer end of barrel 220 while abutting against barrel front plug 229 to prevent the ingress of liquid from the front end of barrel 220, and at the same time, barrel 220 is provided with a sealing boss 228 corresponding to the initial position of firing pin 240, sealing boss 228 is radially inwardly protruded along barrel 220 and has a through hole for allowing the front end of firing pin 240 to pass through to contact with spike 290, and correspondingly, a second sealing ring 242 is provided between firing pin 240 and sealing boss 228 to ensure that spike 290 is in a relatively independent environment in the initial state to prevent the wetting or wetting of gunpowder.

In addition, in consideration of the influence of pressure on each component in the firing process, the embodiment is optimized correspondingly, a sealing tube 270 in a hollow structure is sleeved on the front end extension section 222, two ends of the sealing tube 270 are in sealing contact with the extension section 222, a third sealing ring 271 is arranged between the sealing tube 270 and the barrel 220, a pressure relief cavity 272 is formed between the sealing tube 270 and the barrel 220, the front end of the sealing tube 270 is close to the front end face of the barrel 220, a pressure relief hole 225 communicated with the inside of the pressure relief cavity 272 is formed in the position, close to the end part, of the front end of the barrel 220, the volume of the pressure relief cavity 272 is larger than or equal to the volume of a compression space moved after the shooting nail 290 is fired, and the resistance influence generated by air compression is effectively reduced.

Similarly, in order to reduce the influence of the environmental pressure on the firing pin spring 250, in this embodiment, a first fluid inlet hole 226 is formed on the barrel 220, the first fluid inlet hole 226 is located between the sealing boss 228 and the firing pin locking hole 223, a second fluid inlet hole 234 is formed on the casing rear cover 232, and a third fluid inlet hole (not shown) is formed at the tail end of the barrel 220, so as to ensure the pressure balance between the two sides of the firing pin spring 250 and the two sides of the firing pin 240 in the initial state, and avoid the liquid resistance during the moving process.

Similar to the safety structure of the coaxial connector 300, the nail gun 200 of the present embodiment is also provided with a corresponding structure, specifically, the rear end of the barrel 220 is provided with a safety ring groove 227, and the corresponding buffer sleeve 230 is provided with a safety pin hole, wherein the safety pin hole is opposite to the safety ring groove 227 when the barrel 220 is abutted against the end wall of the buffer sleeve 230 under the action of the buffer spring 233 under the conventional state, at this time, the barrel 220 can be locked by the safety pin 280, and when in use, the barrel 220 can axially slide relative to the buffer sleeve 230 after the safety pin 280 is pulled out.

In this embodiment, the linkage member 210 is rod-shaped, the rear end of the barrel 220 has a barrel rear cover detachably disposed thereon, and the linkage member 210 extends into the buffer sleeve 230 and is fixedly connected to the barrel rear cover and coaxially disposed with the barrel 220.

In view of the above-mentioned structure of the nail gun 200 and the coaxial connector 300, in the present application, the nail gun 200 and the coaxial connector 300 are both disposed at the lower side inside the buoyant body 100, and the overall width of the buoyant body 100 is gradually reduced along the height direction thereof, and is cam-shaped, to reduce its resistance in water, the buoyant body 100 has therein a first mounting cavity 130 and a second mounting cavity 140 for mounting the nail gun 200 and the coaxial connector 300, respectively, as shown in the figure, the bottom of the first mounting cavity 130 has a front sliding groove 131 for passing the safety pin 280, the left and right sides of the second mounting cavity 140 have symmetrically arranged rear sliding grooves 141, which is mainly used for the sliding movement of the operating arm 342 on the unlocking ring 340, a communication hole 150 is arranged between the first mounting cavity 130 and the second mounting cavity 140, which is primarily for the passage of the linkage member 210 and extends into the housing 320 of the coaxial connector 300 adjacent to or abutting the release ring 310.

Meanwhile, the first mounting cavity 130 and the second mounting cavity 140 are both communicated with the carrying cavity 110, and have a fixing bracket 120 fixedly connected to each other, and can extend into the carrying cavity 110 to be relatively fixed with the carrying object 400, the buoyancy body 100 is generally made of a material having a density less than that of water, so as to ensure a design standard enough to achieve zero buoyancy, and can be designed to be a left-right two-piece buckling or bonding type, and after the nail gun 200, the coaxial connector 300, and the carrying object 400 are relatively fixed, the buoyancy body 100 is covered.

Referring to the underwater embarkation fixing system shown in fig. 1 to 14, according to the overall weight and shape of the embarkation object 400, the nail gun 200 and the coaxial connector 300, the corresponding buoyancy body 100 is designed to ensure the overall zero buoyancy standard, and after the nail gun 200 and the coaxial connector 300 are fixed relative to the embarkation object 400, the buoyancy body 100 is covered and fixed, thus completing the installation.

When the underwater carrying fixing device is used, the shaft-shaped execution component 500 is in butt joint locking with the coaxial connector 300, the whole underwater carrying fixing system is moved to a target object position, the safety pin 280 and the safety pin are pulled out (a proper pulling-out time is selected according to a use occasion), then a pushing force is applied to the safety pin to enable the barrel front cover 224 to be abutted against the target object, the barrel 220 integrally moves towards the coaxial connector 300, the linkage component 210 moves backwards along with applying a certain pressure to the release ring 310 to enable the release ring 340 to reach an unlocking position, meanwhile, the firing pin 240 is released, the firing pin 290 is moved forwards, the firing pin 290 is rapidly fired forwards, the front end of the firing pin 290 penetrates through the barrel front cover 224 and then is ejected into the target barrel, the rear end of the firing pin is blocked by the barrel front cover 224 and still stays in the barrel 220, in the process, the whole underwater carrying fixing system is driven to move forwards for a certain distance, and the separation of the coaxial connector 300 and the execution component 500 is naturally realized, the whole underwater carrying and fixing system is fixed on a target object by the shooting nail 290, the carrying object 400 can be started to start working, and the carrying object can be recycled and reused by the execution component 500 according to the use occasion.

Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.

Claims (9)

1. An underwater vehicle securing system, comprising:

a buoyant body (100) in which a loading chamber (110) is provided;

the nail gun (200) is fixedly arranged on the buoyancy body (100) and is used for triggering the nail shooting to be connected with a target object;

the coaxial connector (300) is fixedly arranged on the buoyancy body (100), is used for being connected with an execution component, is provided with a release ring (310) coaxially arranged with the nail gun (200), is provided with a linkage component (210) between the release ring (310) and the tail end of the nail gun (200), and can trigger the release ring (310) to move back to back relative to the nail gun through the linkage component (210) when the nail gun (200) is fired so as to unlock and separate the coaxial connector (300) and the connected execution component.

2. The underwater ride anchor system of claim 1, wherein: the coaxial connector (300) comprises a hollow cylindrical shell (320), one end of the shell (320) is open to form a connecting end, a connecting pipe (330) which is coaxially arranged with the shell and is relatively fixed to the shell is arranged in the connecting end, an annular space (350) is formed between the connecting pipe (330) and the shell (320), an unlocking ring (340) is sleeved on the connecting pipe (330), the unlocking ring (340) is located in the annular space (350), a lock hole (331) is formed in the connecting pipe (330) and corresponds to the unlocking ring (340), and a connecting clamping ball (332) which is matched with the lock hole (331) is configured in the lock hole (331);

the unlocking ring (340) can slide along the connecting pipe (330) between a locking position and an unlocking position, when the unlocking ring (340) is positioned at the locking position, the unlocking ring (340) applies pressure to the connecting clamping ball (332) inwards along the radial direction of the connecting pipe (330), the connecting clamping ball (332) is abutted against the bottom of the lock hole (331) and at least partially protrudes to the inner cavity of the connecting pipe (330);

when the unlocking ring (340) is positioned at the unlocking position, the connecting clamping balls (332) can move outwards along the connecting pipe (330) in the radial direction and retract into the locking holes (331), and an elastic retaining piece (351) used for keeping the unlocking ring (340) at the locking position is arranged in the annular space (350).

3. The underwater vehicular ride-on fixation system of claim 2, wherein: the lock holes (331) are uniformly distributed along the circumferential direction of the connecting pipe (330).

4. An underwater embarkation fixture system according to claim 2 or 3, characterized in that: the inner side of the unlocking ring (340) is provided with an avoiding part (341) which is recessed outwards along the radial direction of the unlocking ring, the avoiding part (341) is positioned at one side far away from the connecting end, the elastic retaining piece (351) is positioned at one side close to the connecting end relative to the unlocking ring (340), and the connecting pipe (330) is sleeved with a pressing ring (352) and an unlocking spring (353) in a sliding mode;

the pressing ring (352) and the unlocking spring (353) are located on one side opposite to the elastic holding piece (351), one end of the pressing ring (352) abuts against the unlocking ring (340), the other end of the pressing ring (352) abuts against the unlocking spring (353), one end, far away from the unlocking ring (340), of the unlocking spring (353) is fixed on the connecting pipe (330), the pressing ring (352) is relatively fixed with the connecting pipe (330) through the pressing ring clamping ball (354), one end, opposite to the connecting end, of the shell (320) is provided with a through hole (321) for the linkage component (210) to extend into, the releasing ring (310) can slide towards the unlocking ring (340) under the action of the linkage component (210) to release the pressing ring clamping ball (354), and the pressing ring (352) can push the unlocking ring (340) to move from the locking position to the unlocking position under the action of the unlocking spring (353).

5. The underwater ride anchor system of claim 4, wherein: the outer end of the connecting pipe (330) is fixedly connected with the shell (320) through a fixing ring (360), a return spring (370) is arranged between the inner end of the connecting pipe and the end of the release ring (310), and the release ring (310) can be reset under the action of the return spring (370) and is abutted against the inner end wall of the shell (320).

6. An underwater embarkation fixture system according to claim 2 or 3, characterized in that: the unlocking ring (340) is provided with an operating part (342) extending outwards along the radial direction of the unlocking ring, the operating part (342) protrudes to the outer side of the shell (320), and the shell (320) is provided with a notch (322) for the sliding of the operating part (342).

7. An underwater embarkation fixture system according to claim 2 or 3, characterized in that: the nail gun (200) comprises a gun barrel (220), a buffer sleeve (230) movably sleeved at the tail end of the gun barrel (220), and a firing pin (240) arranged in the gun barrel (220), wherein a firing pin spring (250) is arranged between the firing pin (240) and the tail end of the gun barrel (220), and a gun barrel front cover (224) is sleeved at the front end of the gun barrel (220);

the buffer sleeve (230) is provided with a limiting step (231) matched with the barrel (220) at the front end, the limiting step (231) is used for limiting the movement of the barrel (220) towards a direction far away from the coaxial connector (300), the firing pin (240) is relatively locked with the barrel (220) through the firing pin blocking ball (260), the firing pin spring (250) is in a compression posture and can move towards the coaxial connector (300) along with the barrel (220) to release the firing pin blocking ball (260) so as to unlock the firing pin (240) and the barrel (220), and the linkage part (210) extends into the buffer sleeve (230) and is fixedly connected with the tail end of the barrel (220).

8. The underwater ride anchor system of claim 7, wherein: barrel (220) include tail end installation section (221) and front end extension (222), tail end installation section (221) external diameter is greater than front end extension (222) external diameter, the position that is close to tail end installation section (221) on front end extension (222) has along its circumference evenly distributed's firing pin lockhole (223), firing pin lockhole (223) suit with firing pin card ball (260), firing pin (240) tail end have with arc annular groove (241) that firing pin card ball (260) suited.

9. The underwater ride anchor system of claim 8, wherein: the sealing barrel is characterized in that a sealing tube (270) with a hollow structure is sleeved on the front end extension section (222), two ends of the sealing tube (270) are in sealing contact with the extension section (222), the end part of the sealing tube is close to the front end face of the gun barrel (220), and a pressure relief hole (225) which is communicated with the inside of the sealing tube (270) is formed in the position, close to the end part, of the front end of the gun barrel (220).

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