CN111071422A - Low-noise perforating and sinking device suitable for underwater unmanned system - Google Patents
Low-noise perforating and sinking device suitable for underwater unmanned system Download PDFInfo
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- CN111071422A CN111071422A CN201911380149.6A CN201911380149A CN111071422A CN 111071422 A CN111071422 A CN 111071422A CN 201911380149 A CN201911380149 A CN 201911380149A CN 111071422 A CN111071422 A CN 111071422A
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- wedge
- shaped
- bearing plate
- piston body
- hole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/14—Control of attitude or depth
- B63G8/22—Adjustment of buoyancy by water ballasting; Emptying equipment for ballast tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
Abstract
The invention discloses a low-noise tapping sinking device suitable for an underwater unmanned system, belongs to the technical field of underwater operation appliances, and comprises a mounting seat, a bearing ring, a wedge-shaped tapping mechanism, a lever limiting mechanism and the like. The underwater unmanned system sealing shell is arranged on the surface of the underwater unmanned system sealing shell, and the inside of the underwater unmanned system sealing shell can be ensured to be isolated and sealed from the external seawater environment before action; after the opening action is executed, a water inlet hole with the diameter of 130mm (the diameter of the piston body is 130mm) can be opened on the surface of the underwater unmanned system, and seawater is filled into the underwater unmanned system through the water inlet hole, so that the underwater unmanned system is submerged and self-destructed.
Description
Technical Field
The invention relates to the technical field of underwater operation appliances, in particular to a low-noise hole opening sinking device suitable for an underwater unmanned system.
Background
In underwater engineering, unmanned vehicles, pre-arranged weapons and the like usually adopt the open hole sinking device to adjust the cabin water discharge volume at specific time, change system balance weight parameters and realize underwater expected purposes: after the self-propelled type preset weapon reaches a target area, carrying out separation and expansion, mooring and anchoring, submerging the bottom, submerging the water entering the power propulsion section which finishes the mission through the open hole submerging device, and using the power propulsion section as a ballast anchor system; after the underwater unmanned aircraft navigates to a target area, partial equipment such as a buoyancy cabin which is already in service needs to be unloaded, sinking self-destruction treatment is also needed to avoid the thrown cabin from exposing the position of the submersible vehicle, or sinking self-destruction treatment is carried out to prevent the submersible vehicle from being salvaged by other people to cause a leakage event due to a fault floating on the water surface in the process of navigation; in a positive buoyancy anchoring observation system (such as a disposable detection submerged buoy, hydrological detection equipment with sensitive water areas inconvenient to recover, an anchoring mine and the like), during underwater service, the observation equipment accidentally floats upwards due to faults, and self-destruction treatment is also needed to prevent equipment information and related sensitive technologies from being unknown by people to be informed.
The conventional mode of the trepanning sinking device is that the weak sealing link is subjected to fire blasting to cause the damage of the shell and water inflow; in order to meet the structural strength, the diameter of the open pore is generally not more than 65mm, and the water inlet speed after the open pore is slower. For a larger positive buoyancy system, the water intake time is longer, and the risk of floating the positive buoyancy system out of the water surface to expose the target may exist; meanwhile, noise is high due to detonation of the initiating explosive device doing work in the hole opening process, and the underwater unmanned system with the requirements of hiding the underwater unmanned system close to a target area, entering a working state secretly, secretly carrying out underwater work and the like cannot meet the task requirements.
Disclosure of Invention
In view of the above, the invention provides a low-noise hole-opening sinking device suitable for an underwater unmanned system, which can utilize external water pressure as main power and adopt smaller acting force to drive work, thereby greatly reducing noise in a hole-opening process, realizing low-noise operation requirements of the underwater unmanned system, and effectively reducing risks of detection and discovery by an opposite party.
In order to achieve the purpose, the technical scheme of the invention is as follows: a low noise vent submergence device adapted for use in an underwater unmanned system, comprising: the mounting base, bearing ring, wedge trompil mechanism, lever stop gear and buffering guard shield.
Wedge trompil mechanism includes: lower bearing plate, last bearing plate, piston body, two wedge locking pieces, wedge, reset spring, horizontal pole and push away the spring.
The lever stop gear includes: terminal drive arrangement, clamp plate, first round pin axle, commentaries on classics piece and second round pin axle.
The connection relationship is as follows:
the mounting seat and the bearing ring are both of annular structures, and the lower end face of the mounting seat is fixedly connected with the upper end face of the bearing ring;
the upper end face of the mounting seat is arranged on the surface of a shell of the underwater unmanned system.
The upper end face of the bearing ring is an annular wedge-shaped face, and the inclination angle of the annular wedge-shaped face is complementary with the lower end wedge-shaped face of the wedge-shaped locking block.
The piston body is of a cylindrical structure, and is provided with a cavity with a downward opening for accommodating the wedge-shaped body; an annular boss is formed by downwards protruding the upper end surface of the lower end surface of the piston body and the opening of the cavity; the piston body is arranged in the mounting seat, and the outer side face of the piston body is in contact with the inner side face of the mounting seat.
The upper bearing plate is a circular plate structure with a circular through hole in the center; the annular boss on the lower end face of the piston body is clamped into the central circular through hole of the upper bearing plate.
The lower bearing plate is of a circular plate structure, and the left side and the right side of the lower bearing plate are respectively provided with a strip-shaped through hole along the radius; the lower end of the lower bearing plate and the outer side of the strip-shaped through hole are also provided with support legs, the left side and the right side of each support leg are respectively provided with a support leg, and the support legs are provided with through holes; the center of the lower bearing plate is provided with a round hole.
The lower bearing plate is arranged in the center of the bearing ring.
The wedge body comprises a wedge part and a central rod; the wedge-shaped part is a polyhedron with wedge-shaped surfaces circularly cut on the upper end surface and the lower end surface, a cavity with a downward opening is formed in the center of the wedge-shaped part, one end of the central rod is fixedly connected to the inner upper end surface of the wedge-shaped part cavity, and the other end of the central rod extends out of the wedge-shaped part cavity; the wedge-shaped part is arranged in the cavity of the piston body, the lower end of the central rod extends out of the central circular hole of the lower bearing plate, and the central rod is sleeved with a return spring; the lower end of the central rod is transversely and fixedly connected with a cross rod.
The two wedge-shaped locking blocks are arranged between the upper bearing plate and the lower bearing plate, and are symmetrically arranged on two sides; the wedge-shaped locking block is of a block-shaped structure and is provided with a lower end wedge-shaped surface and an upper end wedge-shaped surface, the lower end wedge-shaped surface is in contact connection with the annular wedge-shaped surface on the bearing ring, and the upper end wedge-shaped surface is in contact connection with the lower end surface wedge-shaped surface of the wedge-shaped part; the lower end of the wedge-shaped locking block is fixedly connected with an L-shaped connecting rod, the L-shaped connecting rod extends out of a strip-shaped through hole in the lower bearing plate, a transverse rod of the L-shaped connecting rod extends into a through hole in a supporting leg at the lower end of the lower bearing plate, and a push spring is sleeved on the transverse rod of the L-shaped connecting rod.
One end of the pressing plate is rotatably connected with the first pin shaft, the other end of the pressing plate is in contact connection with the tail end driving device, and the pressing plate is provided with a protruding portion which is arranged on one side where the pressing plate is connected with the first pin shaft.
One end of the rotating block is rotationally connected with the second pin shaft, and the other end of the rotating block is in contact connection with the protruding part on the pressing plate; and a transverse rod clamping groove is formed at one end of the rotating block, which is connected with the second pin shaft, and the rotating block is clamped with the transverse rod.
The tail end driving device adopts a micro actuator or an electromagnet as a driving element, is connected to the control end of the internal equipment of the underwater unmanned system through a lead-out wire, and sends an action command to excite the tail end driving device to act.
Further, the device also comprises an annular sealing ring and a radial sealing ring; a radial sealing ring is arranged on the outer side surface of the piston body; the upper end surface of the mounting seat is mounted on the surface of a shell of the underwater unmanned system through an annular sealing ring.
Further, still include the radome fairing, the fixed mounting radome fairing of piston body up end.
Furthermore, the damping device also comprises a damping pad which is fixed on the upper end surface of the cavity of the piston body.
Further, still include buffering guard shield, buffering guard shield fixed mounting is in the bearing plate below down.
Has the advantages that:
1) according to the invention, external water pressure is used as a main force, and a smaller acting force is finally adopted to drive the underwater unmanned system to work through a friction locking angle and a lever action between kinematic pairs, so that the noise in the hole opening process is greatly reduced, the low-noise operation requirement of the underwater unmanned system is realized, and the risks of detection and discovery by the other party are effectively reduced.
2) The invention carries out locking installation by inserting the two symmetrically arranged wedge-shaped locking blocks into the mounting seat and the bearing ring. The wedge-shaped locking blocks and the bearing rings are made of high-strength structural steel, and the sinking device can bear 200m of water pressure, so that reliable bearing is ensured when the sinking device is not operated;
3) the invention has flexible use and large action depth range (the action water depth is 5 m-200 m). The invention relies on external water pressure as the main power, when the water depth is shallow, when the water pressure acting force is insufficient, the invention also embeds an elastic action element, the key action nodes of the sinking device are all the elastic force as the auxiliary action driving force, thus effectively ensuring the reliable action at the shallow depth (5 m-30 m);
4) the invention adopts the wedge angle and lever principle to gradually decompose and unload the external load. The action control of the mechanism for bearing larger external load can be realized by applying smaller acting force on the final control end (the water depth is 200m, the opening diameter is 130mm, and the output force of the tail end driving device is less than or equal to 80N);
5) the invention adopts a mechanical action mechanism, a tail end driving device and a buffering protective cover for processing, and simultaneously adopts water pressure as main power. When the underwater vehicle operates, only the operation sound of the tail end driving device and the mutual mechanical friction sound are generated, so that the underwater vehicle can work with low noise (the underwater operation noise of the mechanism is less than or equal to 135db), enter a working state quietly and execute a preset task;
6) the invention has independent structure, can be stored independently at ordinary times, has only the structural size of the mounting seat with the interface of the equipment, can realize the preset function only by simply connecting the equipment when in use, has good interchangeability and universality, and can meet the universality of a multi-diameter carrier by changing a single part (fairing);
7) the invention has compact structure combination and convenient operation. The assembly can be completed without special tools or clamps, the operation procedure is simple, and the working strength is low.
8) The invention adopts a rectification design, can be well matched with the shell, and does not influence the fluid appearance of the underwater vehicle.
9) The invention also comprises a buffer shield which is made of polytetrafluoroethylene or PVC and other soft materials and is used for collision buffer of the sink self-destruction device after action, thus reducing the interference to equipment and being beneficial to noise reduction of the submersible vehicle.
Drawings
FIG. 1 is a schematic structural diagram of a built-in type submerged self-destruction device according to the present invention;
FIG. 2 is a schematic structural view of the wedge opening mechanism of the present invention;
FIG. 3 is a schematic structural view of a pressure plate limiting mechanism of the present invention;
FIG. 4 is a schematic structural view of a wedge of the wedge-shaped tapping mechanism of the present invention;
FIG. 5 is a schematic structural view of a rotating block of a pressing plate limiting mechanism in the invention;
wherein: 1-underwater unmanned system shell; 2, sealing rings; 3, mounting a base; 4-a load-bearing ring; 5, a wedge-shaped hole opening mechanism; 6-a lever limiting mechanism; 7-setting pin; 8-buffer shield; 5-1-lower bearing plate; 5-2-upper bearing plate; 5-3-a piston body; 5-4-sealing ring; 5-wedge lock block; 5-6-cowling; 5-7-damping pad; 5-8-wedge; 5-9-a return spring; 5-10-cross bar; 5-11-push spring; 6-1-organism; 6-2-end drive; 6-3-pressing plate; 6-4-pin shaft; 6-5-turning block; 6-pin shaft.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The present invention provides a low noise opening sinking apparatus suitable for an underwater unmanned system, as shown in fig. 1, comprising: the mounting seat 3, the bearing ring 4, the wedge-shaped hole opening mechanism 5, the lever limiting mechanism 6, the setting pin 7 and the buffer shield 8.
The wedge-shaped tapping mechanism 5, as shown in fig. 2, includes: the damping device comprises, by weight, 5-1 parts of a lower bearing plate, 5-2 parts of an upper bearing plate, 5-3 parts of a piston body, 5-5 parts of two wedge-shaped locking blocks, 5-7 parts of a damping pad, 5-8 parts of wedge-shaped bodies, 5-9 parts of return springs, 5-10 parts of cross rods and 5-11 parts of push springs.
As shown in fig. 3, the lever stopper mechanism 6 includes: the device comprises a machine body 6-1, a tail end driving device 6-2, a pressing plate 6-3, a first pin shaft 6-4, a rotating block 6-5 and a second pin shaft 6-6.
The connection relationship is as follows:
the mounting seat 3 and the bearing ring 4 are both of annular structures, and the lower end face of the mounting seat 3 is fixedly connected with the upper end face of the bearing ring 4; .
The upper end surface of the mounting seat 3 is arranged on the surface of the shell 1 of the underwater unmanned system.
The upper end surface of the bearing ring 4 is an annular wedge-shaped surface, and the inclination angle of the annular wedge-shaped surface is complementary with the lower end wedge-shaped surface of the wedge-shaped locking block 5-5.
The setting pin 7 is used for setting of the device and is removed after the setting is completed.
The piston body 5-3 is of a cylindrical structure, and the piston body 5-3 is provided with a cavity with a downward opening and used for accommodating the wedge-shaped body 5-8; the upper end surface of the lower end surface of the piston body 5-3 and the opening of the cavity are protruded downwards to form an annular boss; the piston body 5-3 is arranged in the mounting seat 3, and the outer side surface of the piston body 5-3 is contacted with the inner side surface of the mounting seat 3.
The upper bearing plate 5-2 is a circular plate structure with a circular through hole in the center; the annular boss on the lower end face of the piston body 5-3 is clamped in the central circular through hole of the upper bearing plate 5-2.
The lower bearing plate 5-1 is of a circular plate structure, and the left side and the right side of the lower bearing plate 5-1 are respectively provided with a strip-shaped through hole along the radius; the lower end of the lower bearing plate 5-1 and the outer side of the strip-shaped through hole are also provided with support legs, the left side and the right side of each support leg are respectively provided with a through hole; the center of the lower bearing plate 5-1 is provided with a round hole.
The lower bearing plate 5-1 is placed in the center of the bearing ring 4.
The wedge 5-8, as shown in fig. 4, comprises a wedge portion and a central rod; the wedge-shaped part is a polyhedron with wedge-shaped surfaces circularly cut on the upper end surface and the lower end surface, a cavity with a downward opening is formed in the center of the wedge-shaped part, one end of the central rod is fixedly connected to the inner upper end surface of the wedge-shaped part cavity, and the other end of the central rod extends out of the wedge-shaped part cavity; the wedge-shaped part is arranged in the cavity of the piston body 5-3, the lower end of the central rod extends out of the central round hole of the lower bearing plate 5-1, and the central rod is sleeved with a return spring 5-9; the lower end of the central rod is transversely and fixedly connected with a cross rod 5-10.
The two wedge-shaped locking blocks 5-5 are arranged between the upper bearing plate 5-2 and the lower bearing plate 5-1, and the two wedge-shaped locking blocks 5-5 are symmetrically arranged at two sides; the wedge-shaped locking blocks 5-5 are of block structures and are provided with lower end wedge-shaped surfaces and upper end wedge-shaped surfaces, the lower end wedge-shaped surfaces are in contact connection with the annular wedge-shaped surfaces on the bearing ring 4, and the upper end wedge-shaped surfaces are in contact connection with the lower end surface wedge-shaped surfaces of the wedge-shaped parts; the lower end of the wedge-shaped locking block 5-5 is fixedly connected with an L-shaped connecting rod, the L-shaped connecting rod extends out of a strip-shaped through hole on the lower bearing plate 5-1, a transverse rod of the L-shaped connecting rod extends into a through hole of a supporting leg at the lower end of the lower bearing plate 5-1, and a push spring 5-11 is sleeved on the transverse rod of the L-shaped connecting rod.
One end of the pressure plate 6-3 is rotatably connected with the first pin 6-4, the other end of the pressure plate is in contact connection with the tail end driving device 6-2, and the pressure plate 6-3 is provided with a protruding part which is arranged at the side where the pressure plate 6-3 is connected with the first pin 6-4.
One end of the rotating block 6-5 is rotationally connected with the second pin shaft 6-6, and the other end is in contact connection with the convex part on the pressing plate 6-3; a cross bar clamping groove is formed at one end of the rotating block 6-5 connected with the second pin shaft 6-6 and is clamped with the cross bar 5-10. Fig. 5 is a schematic diagram of a possible structure of a rotary block according to an embodiment of the present invention.
The body 6-1 is a housing that houses the lever limiting mechanism 6.
The tail end driving device 6-2 adopts a micro actuator or an electromagnet as a driving element, is connected to the control end of the internal equipment of the underwater unmanned system through a lead-out wire, and sends an action command to excite the tail end driving device to act.
The middle part of the pressure plate 6-3 is provided with a hole, and the setting pin 7 passes through the pressure plate 6-3 and is connected with the wedge-shaped body 5-8 without contacting with the pressure plate 6-3.
The low-noise hole-opening sinking device suitable for the underwater unmanned system further comprises an annular sealing ring 2 and radial sealing rings 5-4; a radial sealing ring 5-4 is arranged on the outer side surface of the piston body 5-3; the upper end surface of the mounting seat 3 is mounted on the surface of a shell 1 of the underwater unmanned system through an annular sealing ring 2.
The low-noise opening sinking device suitable for the underwater unmanned system further comprises a fairing 5-6, wherein the fairing 5-6 is fixedly installed on the upper end face of the piston body 5-3;
the low-noise opening sinking device suitable for the underwater unmanned system further comprises a vibration reduction pad 5-7, wherein the vibration reduction pad is fixed on the upper end face of the cavity of the piston body 5-3 and is used for reducing vibration when the wedge body 5-8 contacts with the upper end face of the cavity.
The low-noise open hole sinking device suitable for the underwater unmanned system further comprises a buffering shield 8, wherein the buffering shield 8 is fixedly arranged below the lower bearing plate 5-1 and made of polytetrafluoroethylene, PVC or other soft materials, collision buffering is carried out on the sinking self-destruction device after action, interference on equipment is reduced, and noise reduction of the submersible vehicle is facilitated.
Under the action of external hydraulic load and spring force, a horizontal load component force is generated between the wedge-shaped wave-shaped surface of the wedge-shaped locking block and the mounting hole seat, and the component force enables the wedge-shaped locking block to have the tendency of moving towards the center along the groove in the lower bearing plate; the wedge-shaped locking block is also arranged as a wedge-shaped surface between contact surfaces of the wedge-shaped locking block and the wedge-shaped body, and the load component force is decomposed for the second time, so that the wedge-shaped body obtains an upward action component force and has a tendency of moving upwards; the wedge-shaped body is contacted with the rotating block through the cross rod, so that the rotating block obtains the trend of clockwise rotation; the rotating block is contacted with the pressure plate, so that the pressure plate has a tendency of anticlockwise rotation; the pressure plate is in contact with the tail end driving device, and the pin rod of the tail end driving device limits the rotation of the pressure plate, so that the pressure plate is forced to stay at the current position, and the sealing of the underwater vehicle is realized.
The action process of the invention is as follows:
the control end of the 1 sends an action signal, the tail end driving device acts, the pin rod retracts, and the position of the pressure plate 6-3 is lost as the position shown in the figure 3;
2, the pressing plate 6-3 starts to rotate anticlockwise after losing the limitation, finally is separated from the rotating block 6-5, and loses the limitation on the rotating block 6-5 as the position shown in the figure 3;
3, the rotating block 6-5 starts to rotate clockwise after losing the limitation, and loses the limitation on the cross rod 5-10 as the position shown in the figure 3;
4, the wedge-shaped body 5-8 moves upwards, and loses the position for limiting the wedge-shaped locking block 5-5 as shown in the position of figure 3;
5, after the wedge-shaped locking blocks 5-5 at the left end and the right end are out of limit, the wedge-shaped locking blocks move to the center along the inner groove of the upper bearing plate 5-2 and finally are separated from the bearing ring 4 to be in contact with the position shown in the figure 2;
and 6, after the axial limiting of the wedge-shaped locking blocks 5-5 is lost, the sinking device is pressed into the underwater vehicle under the action of an external hydraulic load, and only the sealing ring 2, the mounting seat 3 and the bearing ring 4 are remained on the surface of the underwater vehicle shell.
And 7, after the hole opening device finishes the hole opening action, external water medium enters the inside of the working carrier along the inner hole of the mounting seat 3, so that the self-destruction sinking function of the underwater vehicle is realized.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A low noise trompil submergence device suitable for unmanned system under water, its characterized in that includes: the device comprises a mounting seat (3), a bearing ring (4), a wedge-shaped hole opening mechanism (5), a lever limiting mechanism (6) and a buffer shield (8);
the wedge-shaped hole opening mechanism (5) comprises: the device comprises a lower bearing plate (5-1), an upper bearing plate (5-2), a piston body (5-3), two wedge-shaped locking blocks (5-5), wedge-shaped bodies (5-8), a return spring (5-9), a cross rod (5-10) and a push spring (5-11);
the lever limiting mechanism (6) comprises: the device comprises a tail end driving device (6-2), a pressing plate (6-3), a first pin shaft (6-4), a rotating block (6-5) and a second pin shaft (6-6);
the connection relationship is as follows:
the mounting seat (3) and the bearing ring (4) are both of an annular structure, and the lower end face of the mounting seat (3) is fixedly connected with the upper end face of the bearing ring (4);
the upper end surface of the mounting seat (3) is mounted on the surface of the shell (1) of the underwater unmanned system;
the upper end face of the bearing ring (4) is an annular wedge-shaped face, and the inclination angle of the annular wedge-shaped face is complementary with the lower end wedge-shaped face of the wedge-shaped locking block (5-5);
the piston body (5-3) is of a cylindrical structure, and a cavity with a downward opening is formed in the piston body (5-3) and used for accommodating the wedge-shaped body (5-8); the upper end surface of the lower end surface of the piston body (5-3) and the opening of the cavity are protruded downwards to form an annular boss; the piston body (5-3) is arranged in the mounting seat (3), and the outer side surface of the piston body (5-3) is in contact with the inner side surface of the mounting seat (3);
the upper bearing plate (5-2) is of a circular plate structure with a circular through hole in the center; the annular boss on the lower end face of the piston body (5-3) is clamped into the central circular through hole of the upper bearing plate (5-2);
the lower bearing plate (5-1) is of a circular plate structure, and the left side and the right side of the lower bearing plate (5-1) are respectively provided with a strip-shaped through hole along the radius; support legs are further arranged at the lower end of the lower bearing plate (5-1) and outside the strip-shaped through hole, the left side and the right side of each support leg are respectively provided with a through hole; a round hole is formed in the center of the lower bearing plate (5-1);
the lower bearing plate (5-1) is arranged in the center of the bearing ring (4);
the wedge (5-8) comprises a wedge portion and a central rod; the wedge-shaped part is a polyhedron with wedge-shaped surfaces which are all circularly cut on the upper end surface and the lower end surface, a cavity with a downward opening is formed in the center of the wedge-shaped part, one end of the central rod is fixedly connected to the upper end surface in the cavity of the wedge-shaped part, and the other end of the central rod extends out of the cavity of the wedge-shaped part; the wedge-shaped part is arranged in the cavity of the piston body (5-3), the lower end of the central rod extends out of a central round hole of the lower bearing plate (5-1), and the central rod is sleeved with the return spring (5-9); the lower end of the central rod is transversely and fixedly connected with the cross rod (5-10);
the two wedge-shaped locking blocks (5-5) are arranged between the upper bearing plate (5-2) and the lower bearing plate (5-1), and the two wedge-shaped locking blocks (5-5) are symmetrically arranged on two sides; the wedge-shaped locking blocks (5-5) are of block structures and are provided with lower end wedge faces and upper end wedge faces, the lower end wedge faces are in contact connection with the annular wedge faces on the bearing ring (4), and the upper end wedge faces are in contact connection with the lower end face wedge faces of the wedge-shaped parts; the lower end of the wedge-shaped locking block (5-5) is fixedly connected with an L-shaped connecting rod, the L-shaped connecting rod extends out of a strip-shaped through hole on the lower bearing plate (5-1), a transverse rod of the L-shaped connecting rod extends into a through hole of a supporting leg at the lower end of the lower bearing plate (5-1), and the transverse rod of the L-shaped connecting rod is sleeved with the push spring (5-11);
one end of the pressing plate (6-3) is rotatably connected with the first pin shaft (6-4), the other end of the pressing plate is in contact connection with the tail end driving device (6-2), a protruding part is arranged on the pressing plate (6-3), and the protruding part is arranged on one side, connected with the first pin shaft (6-4), of the pressing plate (6-3);
one end of the rotating block (6-5) is rotatably connected with the second pin shaft (6-6), and the other end of the rotating block is in contact connection with a convex part on the pressing plate (6-3); a cross rod clamping groove is formed at one end, connected with the second pin shaft (6-6), of the rotating block (6-5) and is clamped with the cross rod (5-10);
the tail end driving device (6-2) adopts a micro actuator or an electromagnet as a driving element, is connected to a control end of internal equipment of the underwater unmanned system through a lead-out wire, and sends an action command to excite the tail end driving device to act.
2. The device according to claim 1, further comprising an annular seal (2), a radial seal (5-4);
the radial sealing ring (5-4) is arranged on the outer side surface of the piston body (5-3);
the upper end face of the mounting seat (3) is mounted on the surface of a shell (1) of the underwater unmanned system through the annular sealing ring (2).
3. The device according to claim 1, characterized by further comprising a fairing (5-6), and the upper end surface of the piston body (5-3) is fixedly provided with the fairing (5-6).
4. The device according to claim 1, characterized by further comprising a damping pad (5-7) fixed to the upper end surface of the cavity of the piston body (5-3).
5. The device according to claim 1, further comprising a buffer shield (8), wherein the buffer shield (8) is fixedly mounted below the lower bearing plate (5-1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911380149.6A CN111071422B (en) | 2019-12-27 | 2019-12-27 | Low-noise perforating and sinking device suitable for underwater unmanned system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911380149.6A CN111071422B (en) | 2019-12-27 | 2019-12-27 | Low-noise perforating and sinking device suitable for underwater unmanned system |
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| CN111071422A true CN111071422A (en) | 2020-04-28 |
| CN111071422B CN111071422B (en) | 2021-11-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112623163A (en) * | 2020-12-15 | 2021-04-09 | 西安精密机械研究所 | Reliable butt joint and self-destruction device and method suitable for underwater unmanned underwater vehicle |
| CN113830273A (en) * | 2021-10-22 | 2021-12-24 | 重庆前卫科技集团有限公司 | Water inlet device and mounting structure thereof |
| CN114275130A (en) * | 2022-01-18 | 2022-04-05 | 山西汾西重工有限责任公司 | Water inlet self-sinking device |
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| CN112623163A (en) * | 2020-12-15 | 2021-04-09 | 西安精密机械研究所 | Reliable butt joint and self-destruction device and method suitable for underwater unmanned underwater vehicle |
| CN113830273A (en) * | 2021-10-22 | 2021-12-24 | 重庆前卫科技集团有限公司 | Water inlet device and mounting structure thereof |
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|---|---|
| CN111071422B (en) | 2021-11-09 |
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