CN115973333B - Bearing spherical shell fastening and unlocking device of life raft system - Google Patents

Bearing spherical shell fastening and unlocking device of life raft system Download PDF

Info

Publication number
CN115973333B
CN115973333B CN202211708485.0A CN202211708485A CN115973333B CN 115973333 B CN115973333 B CN 115973333B CN 202211708485 A CN202211708485 A CN 202211708485A CN 115973333 B CN115973333 B CN 115973333B
Authority
CN
China
Prior art keywords
plate
ring seat
spherical shell
spring
seat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202211708485.0A
Other languages
Chinese (zh)
Other versions
CN115973333A (en
Inventor
盛立
贾地
缪旭弘
苏贞
俞孟蕻
唐宇航
庄飙
党振中
卢清亮
于大鹏
何祖军
袁伟
庄健
张宏昊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
People's Liberation Army 92578
Jiangsu University of Science and Technology
Original Assignee
People's Liberation Army 92578
Jiangsu University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by People's Liberation Army 92578, Jiangsu University of Science and Technology filed Critical People's Liberation Army 92578
Priority to CN202211708485.0A priority Critical patent/CN115973333B/en
Publication of CN115973333A publication Critical patent/CN115973333A/en
Application granted granted Critical
Publication of CN115973333B publication Critical patent/CN115973333B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention relates to the technical field of spherical life raft processing, in particular to a life raft system pressure-bearing spherical shell fastening and unlocking device, which comprises the following components: the upper end of the ring seat is provided with three fastening units which are uniformly distributed along the circumferential direction of the ring seat, and the middle part of the ring seat is provided with a spring unit. The invention designs a bearing spherical shell fastening and unlocking device of a life raft system, which utilizes a fastening unit to press spherical shells from top to bottom in multiple points, utilizes a spring unit, a spring steel sheet, an arc elastic steel sheet and a spring telescopic rod to generate multi-part kinetic energy for upwards bouncing the spherical shells, increases the upward bouncing speed of the spherical shells, shortens the separation time of the spherical shells and a ring seat, and realizes the rapid release of the spherical shells so as to be beneficial to accelerating rescue efficiency.

Description

Bearing spherical shell fastening and unlocking device of life raft system
Technical Field
The invention relates to the technical field of spherical life raft processing, in particular to a life raft system pressure-bearing spherical shell fastening and unlocking device.
Background
The life raft is a boat without self-propulsion capability for life saving on a ship, and can be divided into a rigid life raft and an inflatable life raft according to the structural form, wherein the inflatable life raft is divided into a plurality of types such as inflatable life rafts, the inflatable life rafts can be firstly released on the sea surface through throwing, then the inflatable life rafts are opened and formed on the sea surface, and after the inflatable life raft is completely formed, people can be born for rescue.
The release speed of the life raft determines the rescue speed, and the release of the life raft on the ship is realized by manual operation, when the actual situation is unfavorable for manual operation, such as when the ship shakes in a large range, the life raft cannot be released in time, or the release speed of the life raft is influenced by faults in the manual operation process, so that the personnel can miss a good opportunity for self rescue or rescue other people, and the rescue efficiency is influenced.
Disclosure of Invention
In order to solve the problems, the invention adopts the following technical scheme that the pressure-bearing spherical shell fastening and unlocking device of the life raft system comprises: the upper end of the ring seat is provided with three fastening units which are uniformly distributed along the circumferential direction of the ring seat, and the middle part of the ring seat is provided with a spring unit.
The fastening unit comprises a pressing piece, the pressing piece is arranged at the end part of the horizontal section of the inverted L-shaped sideboard, an electric push rod is arranged at one end of the vertical section of the sideboard facing the center of the ring seat, the other end of the electric push rod is connected with a supporting and fixing plate, one end of the supporting and fixing plate is in sliding connection with the lower end face of the horizontal section of the sideboard, the other end of the supporting and fixing plate is in rotating connection with an ear seat arranged at the upper end of the ring seat, and a manual unlocking group is arranged at one side of the supporting and fixing plate facing away from the center of the ring seat.
The manual unlocking group comprises a back-resisting plate which is abutted against the supporting and fixing plate and located below the electric push rod, an arc-shaped groove is evenly formed in the upper end of the ring seat along the circumference of the back-resisting plate, the lower end of the back-resisting plate is in sliding connection with the arc-shaped groove, a positioning spring is connected between the back-resisting plate and the inner side wall of the arc-shaped groove, two baffle plates which are arranged right opposite to each other are arranged in the arc-shaped groove through torsion spring rods, the baffle plates are abutted against the end faces of the back-resisting plate, which are far away from the positioning spring, a rope a and a rope b are arranged above the ring seat, the rope a and the rope b are respectively connected with the upper side of the end face, which is far away from the positioning spring, of one back-resisting plate, the rope b is in penetrating connection with the rest back-resisting plate, and the rope a and the rope b are all wound around pulleys arranged on the ring seat.
Preferably, the spring unit includes the spring telescopic link that circumference evenly installs on the ring seat and prop solid board crisscross the arranging, and spring telescopic link upper end is connected with the kicking block, and the interior ring face of ring seat evenly is provided with the jet head through connecting plate circumference, and the lower extreme of jet head is connected with the accessory pipe, and the accessory pipe is installed jointly on the inner circle of ring pipe, and the outer lane of ring pipe is connected with the air pump that two symmetries were arranged through linking the pipe.
Preferably, one side of propping up the board of solid back-to-back and keeping out the board is provided with slidable mounting in the clamp plate of ring seat upper end, and the clamp plate is close to and props to be connected with spacing spring between the one end of solid board and the ear seat, and one side that the board was kept away from to the clamp plate is provided with the inductor of installing in ring seat upper end, inductor and air pump electricity federation, and two convex plates of symmetrical arrangement are installed to the clamp plate upper end, and the position department rotation that the inductor upper end corresponds with the convex plate is connected with around the axle, is connected with the stay cord that passes around the axle between the vertical section of convex plate and sideboard towards the one end in ring seat center.
Preferably, the position department that is close to propping up solid board of back of body butt plate upper end is provided with the hang plate, and the hang plate keeps away from the one end of back of body butt plate and evenly rotates along its length dimension and be connected with antifriction axle, antifriction axle's axial face and prop solid board lateral wall and contact.
Preferably, spring steel sheets staggered with the jet heads are arranged on the inner annular surface of the annular seat, and a pressure-bearing ball is arranged at one end, far away from the inner annular surface of the annular seat, of each spring steel sheet.
Preferably, the inner ring surface of the ring seat is also provided with arc-shaped elastic steel plates with downward openings and corresponding to the spring steel plates one by one, and the arc-shaped elastic steel plates are positioned below the spring steel plates.
Preferably, the pressing piece is composed of a pressing shaft which is installed between two lug plates and the lower ends of the lug plates which are arranged in a positive opposite mode at the end parts of the horizontal sections of the side plates and are connected in a rotating mode.
Preferably, the upper end face of the jet head is provided with a circular rubber ring.
The invention has the beneficial effects that: 1. the invention designs a bearing spherical shell fastening and unlocking device of a life raft system, which utilizes a fastening unit to press spherical shells from top to bottom in multiple points, utilizes a spring unit, a spring steel sheet, an arc elastic steel sheet and a spring telescopic rod to generate multi-part kinetic energy for upwards bouncing the spherical shells, increases the upward bouncing speed of the spherical shells, shortens the separation time of the spherical shells and a ring seat, and realizes the rapid release of the spherical shells so as to be beneficial to accelerating rescue efficiency.
2. The automatic unlocking device has two functions of automatic unlocking and manual unlocking, the two functions can independently realize the pressing and fixing release of the spherical shell, one unlocking method is selected according to actual use requirements, meanwhile, the manual unlocking can also be used as a standby unlocking scheme, and when the automatic unlocking fails, the pressing and fixing of the spherical shell can be released through the manual unlocking, so that the whole device has high applicability.
3. The elastic unit in the invention combines elasticity and upward blowing gas to give the upward elastic kinetic energy to the spherical shell, so as to realize the rapid release of the spherical shell.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic perspective view of the present invention under the pressing and fixing of the spherical shell.
Fig. 2 is a schematic view of the structure of fig. 1 from the bottom view of the present invention.
Fig. 3 is a schematic view of a main perspective structure of the present invention.
Fig. 4 is an enlarged schematic view of the present invention at the X area in fig. 3.
Fig. 5 is a front cross-sectional view of the present invention.
Fig. 6 is an enlarged schematic view of the Y region of fig. 5 according to the present invention.
Fig. 7 is a top cross-sectional view of the present invention.
Fig. 8 is an enlarged schematic view of the Z region of fig. 7 in accordance with the present invention.
In the figure: 1. a ring seat; 2. a fastening unit; 3. a flicking unit; 20. pressing; 21. a side plate; 22. an electric push rod; 23. a supporting and fixing plate; 24. a back-rest plate; 25. a positioning spring; 26. a baffle plate; 27. a rope a; 28. a rope b; 30. a spring telescoping rod; 31. a top block; 32. a jet head; 33. an annular tube; 34. an air pump; 35. a pressing plate; 37. an inductor; 38. a convex plate; 39. a pull rope; 240. antifriction shaft; 10. a spring steel sheet; 11. a pressure-bearing ball; 12. arc-shaped elastic steel plates.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.
Referring to fig. 1-3, a life raft system pressure bearing spherical shell fastening and unlocking device comprises: the ball shell is fixed on the ring seat 1 by pressing the ball shell from top to bottom through the fastening units 2, after the fastening units 2 are released from pressing the ball shell, the ball shell is sprung upwards to be separated from the ring seat 1 under the action of the spring unit 3.
Referring to fig. 2, 3, 4 and 6, the fastening unit 2 includes a pressing member 20, the pressing member 20 is mounted at the end of the horizontal section of the inverted L-shaped side plate 21, an electric push rod 22 is mounted at one end of the vertical section of the side plate 21 facing the center of the ring seat 1, the other end of the electric push rod 22 is connected with a supporting and fixing plate 23, one end of the supporting and fixing plate 23 is slidably connected with the lower end face of the horizontal section of the side plate 21, the other end of the supporting and fixing plate 23 is rotatably connected with an ear seat mounted at the upper end of the ring seat 1, and a manual unlocking group is disposed at one side of the supporting and fixing plate 23 facing away from the center of the ring seat 1.
The spherical shell is placed on the ring seat 1 from top to bottom, in the process, the spherical shell flange contacts the spring unit 3 and generates downward extrusion force, so that the spring unit 3 gathers kinetic energy for making the spherical shell spring upwards, at the moment, the upper end face of the spherical shell flange is flush with the lower end face of the pressing piece 20, the spherical shell cannot move downwards continuously under the limit of the spring unit 3, then the side plate 21 drives the pressing piece 20 to move towards the spherical shell through the electric push rod 22, finally the pressing piece 20 is pressed on the upper end of the spherical shell flange, multipoint top-down pressing is carried out on the spherical shell, when the spherical shell needs to be released, the side plate 21 drives the side plate 21 to reset through the electric push rod 22, the pressing piece 20 is separated from the spherical shell flange instantly, the spherical shell is sprung upwards under the action of the spring unit 3 to be separated from the ring seat 1, the process is called electric control unlocking, and when one or more electric push rods 22 fail to make the pressing piece 20 cannot separate from the spherical shell flange, a manual unlocking scheme can be started, namely, all the pressing pieces 20 are separated from the spherical shell flange through a manual unlocking group.
Referring to fig. 2, 3, 4, 6, 7 and 8, the manual unlocking set includes a back-rest plate 24 that is in contact with the supporting plate 23 and located below the electric push rod 22, an arc-shaped groove is uniformly formed at the upper end of the ring seat 1 along the circumferential direction of the back-rest plate 24, the lower end of the back-rest plate 24 is slidably connected with the arc-shaped groove, a positioning spring 25 is connected between the back-rest plate 24 and the inner side wall of the arc-shaped groove, two blocking plates 26 that are disposed right opposite to each other are disposed in the arc-shaped groove through torsion spring rods, the blocking plates 26 are in contact with the end surfaces of the back-rest plate 24, which are far away from the positioning spring 25, a rope a27 and a rope b28 are disposed above the ring seat 1, the rope a27 and the rope b28 are respectively connected with the upper side of the end surface of one of the back-rest plate 24, which is far away from the positioning spring 25, and the rope b28 is connected with the remaining back-rest plate 24 in a penetrating manner, and the rope a27 and the rope b28 are all wound around the pulley disposed on the ring seat 1.
The implementation process of the preparation manual unlocking scheme is as follows: by manually pulling the ropes a27 and b28, the two drive the respective connected back-rest plates 24 to move along the arc-shaped grooves and against the side walls of the supporting and fixing plates 23, the back-rest plates 24 connected with the ropes a27 and b28 move back to back, the back-rest plates 24 synchronously stretch the positioning springs 25, the back-rest plates 24 prop against the baffle plates 26, in the subsequent moving process, the baffle plates 26 are always in an open state until the back-rest plates 24 are separated from the supporting and fixing plates 23, the supporting and fixing plates 23 lose the support of the back-rest plates 24, and the pressing piece 20, the electric push rod 22 and the sideboard 21 are concentrated at one end of the supporting and fixing plates 23, at the moment, the supporting and fixing plates 23 drive the pressing piece 20, the electric push rod 22 and the sideboard 21 to rotate synchronously, the pressing piece 20 is separated from the spherical shell flange, the fixing of the spherical shell is released, and the kinetic energy accumulated by the elastic unit 3 and the spherical shell is synchronously acted on the supporting and fixing plates 23, the rotating speed of the elastic shell is increased until the elastic shell is quickly separated from the spherical shell, the spherical shell is separated from the spherical shell, the elastic shell is separated from the spherical shell 1 and the supporting and the spherical shell 27 b is reversely acted on the supporting and fixed on the supporting and fixing plates 23, and the elastic shell is recovered, and the elastic shell is separated from the supporting and fixed on the supporting and fixing plate 24.
Referring to fig. 2, 3, 4, 5 and 7, the bouncing unit 3 includes a spring expansion rod 30 circumferentially and uniformly mounted on the ring seat 1 and staggered with the supporting plate 23, a top block 31 is connected to the upper end of the spring expansion rod 30, a jet head 32 is circumferentially and uniformly arranged on the inner annular surface of the ring seat 1 through a connecting plate, a secondary pipe is connected to the lower end of the jet head 32, the secondary pipes are commonly mounted on the inner ring of the annular pipe 33, and the outer ring of the annular pipe 33 is connected with two symmetrically arranged air pumps 34 through a connecting pipe; one side of the supporting and fixing plate 23 back-to-back abutting plate 24 is provided with a pressing plate 35 which is slidably mounted at the upper end of the ring seat 1, a limiting spring is connected between one end of the pressing plate 35, which is close to the supporting and fixing plate 23, and an inductor 37 which is mounted at the upper end of the ring seat 1 is arranged on one side of the pressing plate 35, which is far away from the supporting and fixing plate 23, the inductor 37 is electrically connected with the air pump 34, two symmetrically-arranged convex plates 38 are mounted at the upper end of the pressing plate 35, a winding shaft is rotatably connected at the position corresponding to the convex plates 38 on the upper end of the inductor 37, and a pull rope 39 which penetrates through the winding shaft is connected between the convex plates 38 and one end, which faces the center of the ring seat 1, of the vertical section of the side plate 21.
In the process of placing the spherical shell from top to bottom, the top block 31 is in contact with the flange of the spherical shell, the spherical shell presses the spring telescopic rod 30 downwards through the top block 31, when the lower end of the spherical shell is in contact with the edge of the jet head 32, the spherical shell can not move downwards any more, the shrinkage of the spring telescopic rod 30 is maximum, then the spherical shell is pressed and fixed through the fastening unit 2, when the electric control unlocking method is used, the electric push rod 22 moves the side plate 21 in a direction away from the spherical shell, the side plate 21 synchronously pulls the pressing plate 35 through the pull rope 39, the pressing plate 35 moves towards the sensor 37, when the pressing plate 35 abuts against the sensor 37, the sensor 37 controls the air pump 34 to work, and air is sprayed upwards from the jet head 32 through the connecting pipe, the annular pipe 33 and the auxiliary pipe in sequence, at the moment, the pressed piece 20 is just separated from the spherical shell, and the spherical shell is quickly sprung upwards to be separated from the annular seat 1 under the elasticity of the spring telescopic rod 30 and the blowing of the air; when the back-rest plate 24 is separated from the supporting plate 23, the pressing plate 35 where the pressing piece 20 which is not separated from the spherical shell is positioned is synchronously pushed in the rotation process of the supporting plate 23 to enable the pressing plate 35 to move towards the sensor 37 when the pressing plate 35 abuts against the sensor 37, and all the air pumps 34 work simultaneously.
When the spherical shell is not unlocked, the position of the pressing plate 35 is limited by the limiting spring, so that the spherical shell is prevented from moving under the action of external force and being in contact with the sensor 37 by mistake.
Referring to fig. 4 and 6, an inclined plate is disposed at a position of the upper end of the back-rest plate 24 near the supporting plate 23, one end of the inclined plate far away from the back-rest plate 24 is uniformly and rotatably connected with an antifriction shaft 240 along its length dimension, and an axial surface of the antifriction shaft 240 contacts with a sidewall of the supporting plate 23. Under the condition that the back-rest plate 24 and the supporting and fixing plate 23 are not separated, the supporting and fixing plate 23 is always in a state that the upper end is inclined in a direction away from the center of the ring seat 1, the inclined plate is parallel to the supporting and fixing plate 23, rolling friction is generated between the antifriction shaft 240 and the supporting and fixing plate 23 in the process that the back-rest plate 24 moves along the arc-shaped groove, and the antifriction shaft 240 is utilized to reduce the resistance of the movement of the back-rest plate 24, so that the back-rest plate is quickly separated from the supporting and fixing plate 23.
Referring to fig. 2, 5 and 7, the inner annular surface of the annular seat 1 is provided with spring steel sheets 10 staggered with the jet heads 32, and one end of the spring steel sheet 10, which is far away from the inner annular surface of the annular seat 1, is provided with a pressure-bearing ball 11. The spring steel sheet 10 in the original state keeps a horizontal state, and in the process of placing the spherical shell, the spherical shell is contacted with the pressure-bearing ball 11 and presses the spring steel sheet 10 downwards, the spring steel sheet 10 bends downwards to gather upward rebound kinetic energy, the time for separating the upward rebound of the spherical shell from the ring seat 1 is further shortened by utilizing the kinetic energy of the part, and the spherical shell can quickly fall onto the water surface, so that the rescue efficiency is improved.
Referring to fig. 5, the inner ring surface of the ring seat 1 is further provided with arc-shaped elastic steel plates 12 with downward openings and corresponding to the spring steel plates 10 one by one, and the arc-shaped elastic steel plates 12 are located below the spring steel plates 10. The spring steel sheet 10 bends downwards and simultaneously obliquely presses the arc-shaped elastic steel plate 12 downwards, the arc-shaped elastic steel plate 12 synchronously deforms, the same kinetic energy of upward rebound is accumulated, and the upward rebound speed of the spherical shell is further improved by the kinetic energy of the part.
Referring to fig. 3 and 5, the pressing member 20 is composed of a pressing shaft rotatably connected between two ear plates disposed in opposition to each other at the end of the horizontal section of the side plate 21 and the lower end of the ear plate. The rolling friction can be generated between the pressing shaft and the spherical shell flange, when the spherical shell is pressed, the pressing shaft can rapidly and smoothly move to the upper end of the spherical shell flange, and in the process of releasing the pressing fixation of the spherical shell, the pressing shaft can rapidly and smoothly separate from the spherical shell flange, so that the spherical shell can be rapidly and smoothly bounced up and separated.
Referring to fig. 3 and 5, the upper end surface of the jet head 32 is provided with a circular rubber ring. The rubber ring can elastically protect the contact part of the spherical shell and the jet head 32, so that the contact part of the spherical shell is prevented from being damaged when the spherical shell is pressed and fixed.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. A life raft system pressure-bearing spherical shell fastening and unlocking device, comprising: the device comprises a ring seat (1), wherein three fastening units (2) which are uniformly distributed along the circumferential direction of the ring seat (1) are arranged at the upper end of the ring seat (1), and a bouncing unit (3) is arranged in the middle of the ring seat (1);
the fastening unit (2) comprises a pressing piece (20), the pressing piece (20) is arranged at the end part of the horizontal section of the inverted L-shaped side plate (21), an electric push rod (22) is arranged at one end of the vertical section of the side plate (21) facing the center of the ring seat (1), the other end of the electric push rod (22) is connected with a supporting and fixing plate (23), one end of the supporting and fixing plate (23) is in sliding connection with the lower end face of the horizontal section of the side plate (21), the other end of the supporting and fixing plate (23) is in rotary connection with an ear seat arranged at the upper end of the ring seat (1), and a manual unlocking group is arranged at one side of the supporting and fixing plate (23) facing away from the center of the ring seat (1);
the manual unlocking group comprises a back-rest plate (24) which is abutted against a supporting and fixing plate (23) and is positioned below an electric push rod (22), an arc-shaped groove is uniformly formed in the upper end of the ring seat (1) along the circumferential direction of the back-rest plate, the lower end of the back-rest plate (24) is in sliding connection with the arc-shaped groove, a positioning spring (25) is connected between the back-rest plate (24) and the inner side wall of the arc-shaped groove, two baffle plates (26) which are arranged in a positive opposite manner are arranged in the arc-shaped groove through torsion spring rods, the baffle plates (26) are abutted against the end face, far away from the positioning spring (25), of the back-rest plate (24), a rope a (27) and a rope b (28) are arranged above the ring seat (1), the rope a (27) and the rope b (28) are respectively connected with the upper side, far away from the end face of the positioning spring (25), the rope b (28) is in penetrating connection with the rest back-rest plate (24), and the rope a (27) and the rope b (28) are wound around pulleys arranged on the ring seat (1);
the elastic unit (3) comprises spring telescopic rods (30) which are uniformly arranged on the ring seat (1) in the circumferential direction and are staggered with the supporting and fixing plates (23), top blocks (31) are connected to the upper ends of the spring telescopic rods (30), jet heads (32) are uniformly arranged on the inner ring surface of the ring seat (1) in the circumferential direction through connecting plates, auxiliary pipes are connected to the lower ends of the jet heads (32), the auxiliary pipes are commonly arranged on the inner ring of the annular pipe (33), and two symmetrically arranged air pumps (34) are connected to the outer ring of the annular pipe (33) through connecting pipes;
one side of propping up solid board (23) back-to-back butt plate (24) is provided with slidable mounting in clamp plate (35) of ring seat (1) upper end, be connected with spacing spring between clamp plate (35) and the ear seat near the one end of propping up solid board (23), one side that clamp plate (35) kept away from to prop up solid board (23) is provided with and installs in inductor (37) of ring seat (1) upper end, inductor (37) and air pump (34) electricity federation, convex plate (38) that two symmetries were arranged are installed to clamp plate (35) upper end, the position department rotation that corresponds with convex plate (38) upper end is connected with around the axle, be connected with between the vertical section of convex plate (38) and sideboard (21) towards the one end in ring seat (1) center and pass stay cord (39) around the axle.
2. A life raft system pressure bearing spherical shell fastening and unlocking device according to claim 1, characterized in that: the position that is close to propping up solid board (23) of back of body butt plate (24) upper end department is provided with the hang plate, and the one end that the hang plate kept away from back of body butt plate (24) is connected with antifriction axle (240) along its length dimension even rotation, and the axial face of antifriction axle (240) is contacted with propping up solid board (23) lateral wall.
3. A life raft system pressure bearing spherical shell fastening and unlocking device according to claim 1, characterized in that: the inner annular surface of the annular seat (1) is provided with spring steel sheets (10) which are staggered with the jet heads (32), and one end, far away from the inner annular surface of the annular seat (1), of each spring steel sheet (10) is provided with a pressure-bearing ball (11).
4. A life raft system pressure bearing spherical shell fastening and unlocking device according to claim 3, wherein: the inner annular surface of the annular seat (1) is also provided with arc-shaped elastic steel plates (12) with downward openings and in one-to-one correspondence with the spring steel plates (10), and the arc-shaped elastic steel plates (12) are positioned below the spring steel plates (10).
5. A life raft system pressure bearing spherical shell fastening and unlocking device according to claim 1, characterized in that: the pressing piece (20) is composed of two lug plates which are arranged at the end parts of the horizontal section of the side plate (21) and are in positive opposition, and a pressing shaft which is rotationally connected with the lower ends of the lug plates.
6. A life raft system pressure bearing spherical shell fastening and unlocking device according to claim 1, characterized in that: the upper end face of the air jet head (32) is provided with a circular rubber ring.
CN202211708485.0A 2022-12-29 2022-12-29 Bearing spherical shell fastening and unlocking device of life raft system Active CN115973333B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211708485.0A CN115973333B (en) 2022-12-29 2022-12-29 Bearing spherical shell fastening and unlocking device of life raft system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211708485.0A CN115973333B (en) 2022-12-29 2022-12-29 Bearing spherical shell fastening and unlocking device of life raft system

Publications (2)

Publication Number Publication Date
CN115973333A CN115973333A (en) 2023-04-18
CN115973333B true CN115973333B (en) 2023-10-31

Family

ID=85959408

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211708485.0A Active CN115973333B (en) 2022-12-29 2022-12-29 Bearing spherical shell fastening and unlocking device of life raft system

Country Status (1)

Country Link
CN (1) CN115973333B (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB483512A (en) * 1936-11-11 1938-04-21 George Thomas Sauser Marsh Improvements in apparatus for manipulating and stowing life saving vessels
EP1834870A1 (en) * 2006-03-15 2007-09-19 Howaldtswerke-Deutsche Werft GmbH Submarine
CN101166663A (en) * 2005-05-02 2008-04-23 P&P发展公司 Manual release device for life boat
JP2011116181A (en) * 2009-12-01 2011-06-16 Ihi Marine United Inc Inflatable liferaft jettison device
ES2365412T3 (en) * 2005-10-11 2011-10-04 Babcock Integrated Technology Limited SUBMARINE, CONTAINER AND ASSEMBLY TO DISPLAY A USEFUL LOAD OF A SUBMARINE.
KR20140139146A (en) * 2010-11-22 2014-12-05 대우조선해양 주식회사 Apparatus for controlling submarine-rescue equipment stored between the pressure hull and the outer skin
CN105620672A (en) * 2016-03-30 2016-06-01 江苏省镇江船厂(集团)有限公司 Throwing type inflatable life raft frame and using method thereof
CN207191321U (en) * 2017-09-27 2018-04-06 智慧航海(青岛)科技有限公司 A kind of life raft automatic opener
CN112046710A (en) * 2020-07-31 2020-12-08 襄阳乐博教育科技有限公司 Disaster life raft based on gyroscope structure
CN113044185A (en) * 2021-04-08 2021-06-29 中国人民解放军92578部队 Inflatable life raft system and mounting process
CN113443102A (en) * 2021-08-19 2021-09-28 江苏科技大学 Life raft unlocking and releasing method
CN113443101A (en) * 2021-08-19 2021-09-28 江苏科技大学 Inflatable life raft equipment

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB483512A (en) * 1936-11-11 1938-04-21 George Thomas Sauser Marsh Improvements in apparatus for manipulating and stowing life saving vessels
CN101166663A (en) * 2005-05-02 2008-04-23 P&P发展公司 Manual release device for life boat
ES2365412T3 (en) * 2005-10-11 2011-10-04 Babcock Integrated Technology Limited SUBMARINE, CONTAINER AND ASSEMBLY TO DISPLAY A USEFUL LOAD OF A SUBMARINE.
EP1834870A1 (en) * 2006-03-15 2007-09-19 Howaldtswerke-Deutsche Werft GmbH Submarine
JP2011116181A (en) * 2009-12-01 2011-06-16 Ihi Marine United Inc Inflatable liferaft jettison device
KR20140139146A (en) * 2010-11-22 2014-12-05 대우조선해양 주식회사 Apparatus for controlling submarine-rescue equipment stored between the pressure hull and the outer skin
CN105620672A (en) * 2016-03-30 2016-06-01 江苏省镇江船厂(集团)有限公司 Throwing type inflatable life raft frame and using method thereof
CN207191321U (en) * 2017-09-27 2018-04-06 智慧航海(青岛)科技有限公司 A kind of life raft automatic opener
CN112046710A (en) * 2020-07-31 2020-12-08 襄阳乐博教育科技有限公司 Disaster life raft based on gyroscope structure
CN113044185A (en) * 2021-04-08 2021-06-29 中国人民解放军92578部队 Inflatable life raft system and mounting process
CN113443102A (en) * 2021-08-19 2021-09-28 江苏科技大学 Life raft unlocking and releasing method
CN113443101A (en) * 2021-08-19 2021-09-28 江苏科技大学 Inflatable life raft equipment

Also Published As

Publication number Publication date
CN115973333A (en) 2023-04-18

Similar Documents

Publication Publication Date Title
EP0190055B1 (en) Offshore platforms
CN115973333B (en) Bearing spherical shell fastening and unlocking device of life raft system
CN111232158A (en) Quick ejection and recovery device for life buoy
CN113428324A (en) Rope throwing equipment for ship lifesaving and fire fighting
CN110203357A (en) A kind of docking of ROV approximately level and release device
CN110065601A (en) A kind of portable marine self-rescue is sought survival terminal
CN113443101B (en) Inflatable life raft equipment
CN110155279A (en) A kind of float-ball type ROV docking and release device
CN113443102B (en) Life raft unlocking and releasing method
EP3559452B1 (en) Assembly, system and method for offshore installation of wind turbines
CN111452910B (en) Towing cable supporting mechanism
CN112503354A (en) 5G base station
CN110466721B (en) Structure-improved life ring frame
WO2021027041A1 (en) Intelligent ship recovery device
CN210176306U (en) Automatic centering and clamping device for lifting hook
CN220842879U (en) Adjustable life raft release frame
CN217355515U (en) Pressure vessel head with pressure balance function
CN216554986U (en) High-wear-resistance assembled cylindrical roller bearing
CN217198596U (en) Rope throwing equipment for ship lifesaving and fire fighting
CN216508885U (en) Intelligent forming equipment air supply device for hull outer plate
CN115394461A (en) Passive buffering and self-locking device for control rods
CN212569111U (en) Novel marine target radar reflector
CN217076306U (en) Fly ash device discharging equipment
CN117117755B (en) Suspension clamp of power supply line
CN217299001U (en) Prefabricated adjustable offshore wind power pile foundation anti-collision system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant