CN115592050A - Automatic cutting device for connecting cable of inflatable life raft system - Google Patents
Automatic cutting device for connecting cable of inflatable life raft system Download PDFInfo
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- CN115592050A CN115592050A CN202211337041.0A CN202211337041A CN115592050A CN 115592050 A CN115592050 A CN 115592050A CN 202211337041 A CN202211337041 A CN 202211337041A CN 115592050 A CN115592050 A CN 115592050A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 77
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 82
- 239000010959 steel Substances 0.000 claims abstract description 82
- 238000007789 sealing Methods 0.000 claims abstract description 74
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 238000005485 electric heating Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract 2
- 238000001125 extrusion Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 230000002457 bidirectional effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention relates to the technical field of cable cutting of life raft systems, in particular to an automatic cutting device for connecting cables of an inflatable life raft system. According to the invention, the steel wire rope is automatically cut through the cutting mechanism, the steel wire rope is firstly heated through the heating group, the hardness of the steel wire rope is reduced, and then the steel wire rope is cut through the matching of the cutting blade and the top cutting frame, so that the cutting convenience of the steel wire rope is improved, the problem that the steel wire rope is high in hardness and needs to be cut for multiple times is solved, in addition, the sealing cover can smoothly seal the steel wire rope for a certain distance through the matching of the sealing cover and the tensioning assembly during installation, the damage to the electric heating block caused by the water entering the sealing cover is prevented, and when the cut steel wire rope connected with the life raft body is moved out of the sealing cover, the half-arc groove is rapidly blocked by the blocking assembly, and the damage to the point heating block caused by the water entering the sealing cover is prevented.
Description
Technical Field
The invention relates to the technical field of cable cutting of life raft systems, in particular to an automatic cutting device for connecting cables of inflatable life raft systems.
Background
The inflatable life raft is water surface life saving equipment, is connected with an underwater vehicle through a steel wire rope, prevents the inflatable life raft from floating far along with water flow, and automatically cuts off the steel wire rope connected with the underwater vehicle through a cutting device after an inflatable life raft system is released.
Disclosure of Invention
In order to solve the problems, the invention adopts the following technical scheme that the automatic cutting device for the connecting cable of the inflatable life raft system comprises a life raft body, a fixing support, a plurality of steel wire ropes and a plurality of cutting mechanisms.
The life raft body comprises an upper shell and a lower shell connected with the lower end of the upper shell, and lug seats evenly distributed along the circumferential direction of the upper end of the outer side wall of the lower shell are installed at the upper end of the outer side wall of the lower shell.
A plurality of wire rope, the top of fixed bolster is located to wire rope's one end, and wire rope's the other end is connected with the ear seat, and a plurality of wire rope evenly arrange along fixed bolster circumference.
A plurality of cutting mechanism locate on the fixed bolster and evenly arrange along fixed bolster circumference.
Cutting mechanism is including seting up two grooves that open and shut on the fixed bolster, two grooves that open and shut are arranged in wire rope's both sides along ear seat length direction symmetry, the inslot sliding connection that opens and shuts has the removal frame, the swivelling chute of evenly arranging along its circumference is seted up at the top of fixed bolster, it is connected with two-way threaded rod to rotate between two grooves that open and shut, two-way threaded rod is connected through screw-thread fit's mode with removing the frame, install the rolling disc after two-way threaded rod rotates and runs through swivelling chute one end lateral wall, the sealed cowling of half arc structure is all installed to two opposite faces that remove the frame, form a complete section of thick bamboo type structure is hugged closely to two sealed cowlings, the half arc groove of card putting wire rope is all seted up to the upper and lower both ends face of sealed cowling, install sealing rubber pad on the half arc groove, the top of two sealed cowlings is provided with the shutoff subassembly that carries out the shutoff to half arc groove jointly, the interior cambered surface of two sealed cowlings all is provided with the heating group, be connected with the top cutting frame on one of them heating group, be connected with cutting blade on another heating group.
Preferably, the shutoff subassembly includes the groove of sliding that two sealed cowling inner wall tops all seted up, sliding in the inslot sliding connection has the link of L type structure, the semi-ring cassette is all installed to the opposite face of two links, the semi-ring sheet rubber is all installed to the opposite face of two semi-ring cassettes, be connected through extension spring No. one between one of them link and the corresponding groove of sliding, be connected through extension spring No. two between another link and the corresponding groove of sliding, the link horizontal segment top that is connected with extension spring has been seted up and has been stretched the groove, it has the shutoff head to stretch inslot sliding connection, it is connected through the support spring between groove and the shutoff head to stretch.
Preferably, the opposite surfaces of the two semi-arc grooves on the upper side are provided with telescopic grooves penetrating through the sealing rubber pads, one of the telescopic grooves is internally provided with a sealing top plate through a pressing spring, the sealing top plate is composed of a U-shaped seat and a vertical plate installed on a U-shaped arc section, and the pressing spring is connected with the vertical plate.
Preferably, the spacing groove of upper and lower symmetrical arrangement that heating group set up including the sealed cowling inner wall, the telescopic link is installed through sliding connection's sliding block in the spacing groove, through extrusion spring coupling between sliding block and the spacing groove, the one end that sliding block was kept away from to the telescopic link is passed through the ear seat and is installed semi-annular location clamp splice, the groove of accomodating rather than interior anchor ring intercommunication is all seted up to the opposite face of two upper and lower location clamp splices in the same sealed cowling, it is connected with the electric heating piece of half arc structure through telescopic component to accomodate the groove, the cylinder is installed to the inner wall of sealed cowling, the cylinder is located between two upper and lower spacing grooves, the flexible end of cylinder is installed and is taken the movable plate, it has the push-and-pull rod to articulate between movable plate and the location clamp splice, the top is cut the frame and is connected with the terminal surface that the cylinder was kept away from to the movable plate in one of heating group wherein, cutting blade is connected with the terminal surface that the cylinder was kept away from to the movable plate in another heating group through the connecting strip.
Preferably, the flexible subassembly includes the semi-arc groove that the opposite face of two upper and lower location clamp splice in the same sealed cowling was all seted up, gliding magnet about the semi-arc inslot is connected, the magnetism of two upper and lower corresponding magnets is opposite, magnet is connected with the semi-arc groove through reset spring, the spread groove with accomodate the groove intercommunication is seted up to the semi-arc inslot inside wall, the spread groove is connected with the electrical heating piece through sliding connection's gag lever post, install between gag lever post and the spread groove and receive the extension spring, the terminal surface that the gag lever post is close to magnet is the arc structure, magnet is close to the terminal surface of gag lever post and has seted up the extrusion groove.
Preferably, multiunit tensioning assembly along its circumference is evenly arranged is installed at the top of fixed bolster, tensioning assembly and wire rope one-to-one, tensioning group is including connecting the fixing base at fixed bolster top, it is connected with the leading wheel to rotate on the fixing base, T type frame is installed at the top of fixed bolster, T type frame and leading wheel all are located the sealed cowling towards one side of life raft body, the tensioning groove has been seted up towards the terminal surface of leading wheel to T type frame horizontal segment, there is the movable block through the tensioning spring mounting in the tensioning groove, it is connected with the take-up pulley to rotate on the movable block.
Preferably, the top cutting frame is of a U-shaped frame structure, the top cutting frame is in concave-convex fit with the cutting blade, and a cutter clamping groove is formed in the concave surface of the top cutting frame.
The invention has the beneficial effects that: 1. the invention designs an automatic cutting device for a connecting cable of an inflatable life raft system, which realizes synchronous automatic cutting of a plurality of steel wire ropes through a cutting mechanism, heats the steel wire ropes through a heating group to reduce the hardness of the steel wire ropes, and cuts off the steel wire through the matching of a cutting blade and a top cutting frame, thereby improving the convenience of cutting off the steel wire ropes, avoiding the problems that the steel wire ropes are high in hardness and need to be cut off for many times, and when the device is installed, through the matching of a sealing cover and a tensioning assembly, the sealing cover can smoothly seal the steel wire ropes for a certain distance, preventing water from entering the sealing cover to damage an electric heating block, and when the cut-off steel wire ropes connected with a life raft body are moved out of the sealing cover, the sealing assembly quickly seals a semi-arc groove, and preventing the water from entering the sealing cover to damage the electric heating block.
2. After the steel wire rope is heated, when the positioning clamping block moves, the limiting rod and the electric heating block are retracted into the accommodating groove under the action of the reset elastic force of the retraction spring, so that the situation that the steel wire rope is continuously heated by the electric heating block in the moving process of the positioning clamping block, the hardness of the steel wire rope is reduced, and the bending deformation is generated during cutting to influence the cutting convenience is avoided.
3. When the top cutting frame moves, the steel wire rope enters the U-shaped structure, and the cutting blade enters the cutter clamping groove when cutting off the steel wire rope, so that the tool tip of the cutting blade is prevented from being damaged.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a first partial perspective view of the present invention.
Fig. 3 is a second partial perspective view of the present invention.
Fig. 4 is a third partial perspective view of the present invention.
Fig. 5 is a perspective view of the body of the liferaft.
FIG. 6 is a schematic structural view of a magnet, a limiting rod, an extrusion groove, a positioning clamping block and an electric heating block of the present invention.
Fig. 7 is a front view of the present invention.
Fig. 8 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 7 in accordance with the present invention.
Fig. 9 is an enlarged view of the invention at B in fig. 8.
Fig. 10 is an enlarged view of the invention at C in fig. 8.
In the figure: 1. a liferaft body; 10. an ear mount; 2. a fixed bracket; 3. a wire rope; 4. a cutting mechanism; 40. Opening and closing the groove; 41. a movable frame; 42. a bidirectional threaded rod; 43. a sealing cover; 44. a half-arc groove; 45. a plugging component; 450. a sliding groove; 451. a connecting frame; 452. a semi-ring clamping seat; 453. a tension spring I; 454. a second extension spring; 455. plugging the head; 456. pushing the spring; 457. a telescopic groove; 458. sealing the top plate; 459. Pressing the spring; 46. a heating group; 460. a limiting groove; 461. a telescopic rod; 462. extruding the spring; 463. positioning the clamping block; 464. a receiving groove; 465. an electrical heating block; 466. a cylinder; 467. a push-pull rod; 468. driving the plate; 470. a semi-arc shaped groove; 471. a magnet; 472. a return spring; 473. a limiting rod; 474. retracting the spring; 475. extruding a groove; 47. a top cutting frame; 48. a cutting blade; 480. a cutter clamping groove; 50. a fixed seat; 51. A guide wheel; 52. a T-shaped frame; 53. tensioning the spring; 54. a moving block; 55. a tension wheel.
Detailed Description
Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 1, 5 and 7, an automatic cutting device for a connection cable of an inflatable liferaft system comprises a liferaft body 1, a fixing support 2, a plurality of steel wire ropes 3 and a plurality of cutting mechanisms 4.
The life raft body 1 is composed of an upper shell and a lower shell connected with the lower end of the upper shell, and the upper end of the outer side wall of the lower shell is provided with lug seats 10 evenly distributed along the circumferential direction of the lower shell.
A plurality of wire rope 3, the top of fixed bolster 2 is located to wire rope 3's one end, and wire rope 3's the other end is connected with ear seat 10, and a plurality of wire rope 3 evenly arrange along 2 circumference of fixed bolster.
A plurality of cutting mechanism 4 are located on the fixed bolster 2 and evenly arrange along 2 circumference of fixed bolster.
Referring to fig. 1, 2, 3, 4 and 8, the cutting mechanism 4 includes two opening and closing grooves 40 formed in the fixed bracket 2, the two opening and closing grooves 40 are symmetrically arranged on both sides of the steel wire rope 3 along the length direction of the ear base 10, a movable frame 41 is slidably connected in the opening and closing grooves 40, a rotating groove uniformly arranged along the circumferential direction of the fixed bracket 2 is formed in the top of the fixed bracket 2, a bidirectional threaded rod 42 is rotatably connected between the two opening and closing grooves 40, the bidirectional threaded rod 42 is connected with the movable frame 41 in a threaded fit manner, a rotating disc is installed after the bidirectional threaded rod 42 rotates to penetrate through the side wall of one end of the rotating groove, sealing covers 43 of a semi-arc structure are installed on opposite surfaces of the two movable frames 41, the two sealing covers 43 are tightly attached to form a complete cylinder structure, semi-arc grooves 44 for clamping the steel wire rope 3 are formed in the upper and lower end surfaces of the sealing covers 43, sealing rubber pads are installed on the semi-arc grooves 44, sealing assemblies 45 for sealing the semi-arc grooves 44 are jointly arranged on the tops of the two sealing covers 43, heating groups 46 are respectively provided with a heating group 47, and another heating group 48 is connected with a cutting blade.
When the lifesaving raft system is used, the bottom of the fixed support 2 is connected with an existing aircraft, then the ear base 10 is connected with the fixed support 2 through the steel wire rope 3, so that the lifesaving raft body 1 is fixed, then the steel wire rope 3 is straightened and the bidirectional threaded rod 42 is rotated, the bidirectional threaded rod 42 drives the movable frame 41 and the sealing cover 43 to move towards the steel wire rope 3 in the rotating process until the two sealing covers 43 are abutted tightly, the steel wire rope 3 is positioned between round holes formed by the semi-arc grooves 44 formed in the two sealing covers 43, the steel wire rope 3 is tightly attached to the sealing rubber pads on the semi-arc grooves 44, the two sealing covers 43 are in a sealing state and sealed under the matching of the steel wire rope 3 and the sealing rubber pads, and the problem that when the steel wire rope 3 is heated and cut off by the cutting mechanism 4 after the lifesaving raft system is released is solved, and water enters the sealing covers 43 to influence the heating of the steel wire rope 3.
After the life raft system is released, the steel wire rope 3 is firstly heated through the heating group 46, the hardness of the steel wire rope 3 is reduced, then the steel wire rope 3 is cut off through the matching of the cutting blade 48 and the top cutting frame 47, so that the cutting convenience of the steel wire rope 3 is improved, the problem that the steel wire rope 3 is high in hardness and needs to be cut off for multiple times is solved, the steel wire rope 3 connected to the life raft body 1 is synchronously pulled in the upward movement process under the action of buoyancy, the steel wire rope 3 is pulled out of a vehicle from the sealing cover 43, when the cut end of the steel wire rope 3 is located in the sealing cover 44 but is not separated from a sealing rubber pad, the blocking component 45 blocks a round hole formed by the semi-arc grooves 44 at the tops of the two sealing covers 43, and water is prevented from entering the sealing covers 43, so that the heating group 46 is influenced.
Referring to fig. 3, 4, 6, 8 and 10, the heating group 46 includes limiting grooves 460 disposed symmetrically up and down on the inner wall of the sealing cover 43, a sliding block connected in a sliding manner is disposed in the limiting groove 460, the sliding block is connected to the limiting groove 460 through a compression spring 462, a semi-annular positioning clamp 463 is disposed on one end of the sliding block 461 away from the sliding block through the ear seat 10, opposite surfaces of the two positioning clamp 463 in the same sealing cover 43 are both disposed with a storage groove 464 communicated with the inner annular surface thereof, the storage groove 464 is connected to an electric heating block of a semi-arc structure through a telescopic assembly, an air cylinder 466 is disposed on the inner wall of the sealing cover 43, the air cylinder 466 is disposed between the two limiting grooves 460, a driving plate 468 is disposed at the telescopic end of the air cylinder 466, a push-pull rod 467 is hinged between the driving plate 468 and the positioning clamp, the top cutting frame 47 is connected to an end surface of the driving plate 466 in one heating group 46 away from the air cylinder through a connecting bar, and the cutting blade 48 is connected to an end surface 463 of the driving plate 468 in the other heating group 46 away from the air cylinder 466 through a connecting bar.
Referring to fig. 6 and 10, the telescopic assembly includes a semi-arc groove 470 formed on the opposite surfaces of the upper and lower positioning clamping blocks 463 in the same sealing cover 43, a magnet 471 sliding up and down is connected in the semi-arc groove 470, the magnetic properties of the upper and lower corresponding magnets 471 are opposite, the magnet 471 is connected with the semi-arc groove 470 through a return spring 472, a connecting groove communicated with the accommodating groove 464 is formed in the inner side wall of the semi-arc groove 470, the connecting groove is connected with the electric heating block 465 through a limiting rod 473 connected in a sliding manner, a pull spring 474 is installed between the limiting rod 473 and the connecting groove, the end surface of the limiting rod 473 close to the magnet 471 is of an arc structure, and an extrusion groove 475 is formed in the end surface of the magnet 471 close to the limiting rod 473.
When the two heating sets 46 are not in operation, the upper and lower positioning clamping blocks 463 are fixed by adsorption under the action of the magnet 471, and meanwhile, the magnet 471 pushes the limiting rod 473 and the electric heating block 465 to extend out, so that the electric heating block 465 and the steel wire rope 3 are heated in a contact manner, and the return spring 472 and the retraction spring 474 are both in a stretching state at the moment.
After the life raft system is released, the air cylinder 466 pushes the driving plate 468 to move towards the steel wire rope 3, at the moment, the sliding block does not move under the pushing of the extrusion spring 462, the telescopic rod 461 moves synchronously along with the movement of the driving plate 468, the push-pull rod 467 and the positioning clamping block 463 until the electric heating block 465 is tightly attached to the steel wire rope 3, the electric heating block 465 heats the steel wire rope 3, the air cylinder 466 works again after the steel wire rope 3 is heated for a period of time, the air cylinder 466 pushes the positioning clamping block 463 to move along the steel wire rope 3 through the push-pull rod 467, meanwhile, the sliding block 461 is driven by the telescopic rod 461 to move synchronously and compress the extrusion spring 462, when the magnets 471 on the upper and lower positioning clamping blocks 463 are separated from being not adsorbed, the magnets 471 are withdrawn from the semi-arc-shaped grooves 470 under the elastic force of the return springs 472, the limit rods 473 are not subjected to extrusion force of the magnets 471 any more, the limit rods 473 and the electric heating blocks are withdrawn into the withdrawing grooves 464 under the return elastic force of the return springs 474, the electric heating block 465 continue to heat the steel wire rope 3 in the process of heating block 463 to reduce the hardness of the steel wire rope 465 and cause the cutting plate to be bent and the cutting plate to be matched with the pushing and pushing frame 48, and the cutting blade 48.
Referring to fig. 3, 4 and 8, the top cutting frame 47 is a U-shaped frame structure, the cutting blade 48 is in concave-convex fit with the top cutting frame 47, a clamping groove 480 is formed in the concave surface of the top cutting frame 47, the steel wire rope 3 enters the U-shaped structure when the top cutting frame 47 moves, and the cutting blade 48 enters the clamping groove 480 when cutting the steel wire rope 3, so that the tool tip of the cutting blade 48 is prevented from being damaged.
Referring to fig. 4 and 9, the plugging assembly 45 includes two sliding grooves 450 formed in the top of the inner wall of the sealing cover 43, the sliding grooves 450 are connected with L-shaped connecting frames 451 in a sliding manner, half-ring clamping frames 452 are installed on the opposite surfaces of the two connecting frames 451, half-ring rubber sheets are installed on the opposite surfaces of the two half-ring clamping frames 452, one of the connecting frames 451 is connected with the corresponding sliding groove 450 through a first tension spring 453, the other connecting frame 451 is connected with the corresponding sliding groove 450 through a second tension spring 454, the resilience of the first tension spring 453 is greater than that of the second tension spring 454, an extending groove is formed in the top of the horizontal section of the connecting frame 451 connected with the first tension spring 453, a sealing plug 455 is connected in the extending groove in a sliding manner, and the extending groove is connected with the sealing plug 455 through a pushing spring 456.
Referring to fig. 9, the opposite surfaces of the two half-arc grooves 44 on the upper side are respectively provided with a telescopic groove 457 penetrating through the sealing rubber pad, one of the telescopic grooves 457 is provided with a sealing top plate 458 through a pressing spring 459, the sealing top plate 458 is composed of a U-shaped seat and a vertical plate installed on a U-shaped arc section, and the pressing spring 459 is connected with the vertical plate.
When the two sealing covers 43 move towards the steel wire rope 3, the side walls of the steel wire rope 3 are respectively contacted with the half-ring rubber sheets on the two half-ring clamping seats 452 and are abutted tightly, meanwhile, the side walls of the steel wire rope 3 are abutted against the inner wall of the U-shaped sealing top plate 458, the two half-ring clamping seats 452 tightly clamp the steel wire rope 3, and in the process that the sealing covers 43 move towards the steel wire rope 3, the half-ring clamping seats 452 and the sealing top plate 458 enable the connecting frame 451 to slide along the sliding groove 450 under the action of the abutting force of the steel wire rope 3, and respectively pull the first tension spring 453 and the second tension spring 454 to extend until the two sealing covers 43 are completely abutted against each other.
After the steel wire rope 3 is cut off, the steel wire rope 3 connected to the life raft body 1 is synchronously pulled in the upward moving process under the action of buoyancy, when the steel wire rope 3 is separated from the two half ring clamping seats 452, meanwhile, because the resilience of the first extension spring 453 is greater than that of the second extension spring 454, when the first extension spring 453 is reset and contracted, the first extension spring 453 drives the connecting frame 451 connected with the first extension spring 453 and the half ring clamping seats 452 to push against the connecting frame 451 connected with the second extension spring 454 to move, so that the second extension spring 454 continues to stretch, when the blocking head 455 is aligned with the round hole formed by the two half arc grooves 44, the blocking head 455 is pushed by the elasticity of the pushing spring 456 to be blocked in the round hole, so that the round hole formed by the two sealing covers 43 is sealed, water is prevented from entering the sealing cover 43 to influence the use of the heating group 46, and the sealing rubber pads and the rubber half rings are made of high-temperature resistant rubber materials.
When the steel wire rope 3 is separated from the sealing top plate 458, the sealing top plate 458 enters the telescopic groove 457 on the other side under the action of the spring abutting against the spring 459, so that a cavity formed by the two sealing covers 43 is sealed, and the double-sealing effect is realized.
Referring to fig. 1, 2 and 7, a plurality of groups of tensioning assemblies are uniformly arranged along the circumferential direction of the fixed support 2, the tensioning assemblies correspond to the steel wire ropes 3 one by one, each tensioning assembly comprises a fixed seat 50 connected to the top of the fixed support 2, a guide wheel 51 is rotatably connected to the fixed seat 50, a T-shaped frame 52 is mounted at the top of the fixed support 2, the T-shaped frame 52 and the guide wheel 51 are both located on one side of the sealing cover 43 facing the life raft body 1, a tensioning groove is formed in the horizontal section of the T-shaped frame 52 facing the end face of the guide wheel 51, a moving block 54 is mounted in the tensioning groove through a tensioning spring 53, a tensioning wheel 55 is rotatably connected to the moving block 54, the steel wire ropes 3 are wound on the tensioning wheel 55 and the guide wheel 51 so as to straighten the steel wire ropes 3 between the guide wheel 51 and the fixed support 2, the convenience of clamping the steel wire ropes 3 by the sealing cover 43 is improved, and the tensioning wheel 55 tensions the steel wire ropes 3 under the pushing of the tensioning spring 53.
During operation, the bottom of the fixing support 2 is connected with an existing aircraft, then the ear seat 10 is connected with the fixing support 2 through the steel wire rope 3, so that the life raft body 1 is fixed, then the steel wire rope 3 is straightened and the bidirectional threaded rod 42 is rotated, the bidirectional threaded rod 42 drives the moving frame 41 and the sealing covers 43 to move towards the steel wire rope 3 in the rotating process until the two sealing covers 43 are tightly abutted, at the moment, the steel wire rope 3 is located between round holes formed by the semi-arc grooves 44 formed in the two sealing covers 43, the steel wire rope 3 is tightly attached to the sealing rubber pads on the semi-arc grooves 44, and the two sealing covers 43 are in a sealing state under the matching of the steel wire rope 3 and the sealing rubber pads.
After the liferaft system is released, the steel wire rope 3 is first heated by the heating unit 46 to reduce the hardness of the steel wire rope 3, and then the steel wire rope 3 is cut by the cooperation of the cutting blade 48 and the top cutting frame 47.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides an physiosis formula life raft system connection cable automatic cutting device, includes life raft body (1), fixed bolster (2), a plurality of wire rope (3) and a plurality of cutting mechanism (4), its characterized in that:
the life raft body (1) consists of an upper shell and a lower shell connected with the lower end of the upper shell, and the upper end of the outer side wall of the lower shell is provided with lug seats (10) uniformly distributed along the circumferential direction;
the steel wire rope fixing device comprises a plurality of steel wire ropes (3), wherein one ends of the steel wire ropes (3) are arranged at the top of a fixing support (2), the other ends of the steel wire ropes (3) are connected with ear seats (10), and the steel wire ropes (3) are uniformly distributed along the circumferential direction of the fixing support (2);
the cutting mechanisms (4) are arranged on the fixed support (2) and are uniformly distributed along the circumferential direction of the fixed support (2);
wherein, cutting mechanism (4) are including seting up two groove (40) that open and shut on fixed bolster (2), two groove (40) that open and shut are arranged in the both sides of wire rope (3) along ear seat (10) length direction symmetry, sliding connection has removal frame (41) in groove (40) that opens and shuts, half arc structure's closing cap (43) are all installed to the opposite face of two removal frames (41), form a complete cartridge type structure is hugged closely in two closing cap (43), half arc groove (44) of card putting wire rope (3) are all seted up to the upper and lower both ends face of closing cap (43), install sealed rubber pad on half arc groove (44), the top of two closing cap (43) is provided with shutoff subassembly (45) that carry out the shutoff to half arc groove (44) jointly, two closing cap (43) intrados all are provided with heating group (46), be connected with on one of them heating group (46) and cut frame (47), be connected with cutting blade (48) on another heating group (46).
2. The automatic cutting device for connecting cables of inflatable liferaft system according to claim 1, wherein: the plugging component (45) comprises sliding grooves (450) which are formed in the tops of the inner walls of two sealing covers (43), connecting frames (451) of an L-shaped structure are connected in the sliding grooves (450) in a sliding mode, half ring clamping seats (452) are installed on opposite surfaces of the two connecting frames (451), half ring rubber sheets are installed on opposite surfaces of the two half ring clamping seats (452), one of the connecting frames (451) is connected with the corresponding sliding groove (450) through a first stretching spring (453), the other connecting frame (451) is connected with the corresponding sliding groove (450) through a second stretching spring (454), an extending groove is formed in the top of the horizontal section of the connecting frame (451) connected with the first stretching spring (453), a sealing head (455) is connected in the extending groove in a sliding mode, and the extending groove is connected with the sealing head (455) through a pushing spring (456).
3. The automatic cutting device for connecting cables of inflatable liferaft system according to claim 1, wherein: heating group (46) including limiting groove (460) that upper and lower symmetrical arrangement that sealed cowling (43) inner wall was seted up, sliding block through sliding connection installs telescopic link (461) in limiting groove (460), sliding block and limiting groove (460) are connected through extrusion spring (462), slip block's one end is kept away from through ear seat (10) to telescopic link (461) installs semicircular location clamp splice (463), the opposite face of two upper and lower location clamp splices (463) in same sealed cowling (43) all seted up rather than the storage groove (464) of interior anchor ring intercommunication, it is connected with electric heating block (465) of half arc structure through the telescopic assembly to store groove (464), cylinder (466) is installed to the inner wall of sealed cowling (43), cylinder (466) are located between two upper and lower limiting groove (460), drive board (468) are installed to the flexible end of cylinder (466), it has push-pull rod (467) to articulate between drive board (468) and location clamp splice (463), push-and-pull rod (467) are connected through the heating rod (466) that the connecting strip (47) and one heating group's (468) in one of them heating group (46) drive cutting blade (468) and keep away from the connecting strip (466) connecting.
4. An automatic cutting device for connecting cables of an inflatable liferaft system according to claim 3, wherein: the utility model discloses a telescopic assembly, including the semi-arc groove (470) that the opposite face of two upper and lower location clamp splice (463) in same sealed cowling (43) was all seted up, gliding magnet (471) about semi-arc groove (470) in-connection, the magnetism of two upper and lower corresponding magnet (471) is opposite, magnet (471) are connected with semi-arc groove (470) through reset spring (472), the spread groove that communicates with storage groove (464) is seted up to the inside wall of semi-arc groove (470), the spread groove is connected with electric heating piece (465) through sliding connection's gag lever post (473), install between gag lever post (473) and the spread groove and draw spring (474), the terminal surface that gag lever post (473) is close to magnet (471) is the arc structure, magnet (471) are close to the terminal surface of gag lever post (473) and have seted up extrusion groove (475).
5. The automatic cutting device for connecting cables of inflatable liferaft system according to claim 1, wherein: the top of fixed bolster (2) is installed along its circumference multiunit tensioning assembly who evenly arranges, tensioning assembly and wire rope (3) one-to-one, tensioning group is including fixing base (50) at fixed bolster (2) top, it is connected with leading wheel (51) to rotate on fixing base (50), T type frame (52) are installed at the top of fixed bolster (2), T type frame (52) and leading wheel (51) all are located sealed cowling (43) towards one side of life raft body (1), the tensioning groove has been seted up towards the terminal surface of leading wheel (51) to T type frame (52) horizontal segment, movable block (54) are installed through tensioning spring (53) in the tensioning groove, it is connected with take-up pulley (55) to rotate on movable block (54).
6. The automatic cutting device for connecting cables of inflatable liferaft system according to claim 1, wherein: the opposite face that lies in two half arc grooves (44) of upside all sets up flexible groove (457) that run through sealing rubber pad, installs sealing roof (458) through pressing spring (459) in one of them flexible groove (457), and sealing roof (458) comprise the vertical board of a U type seat and U type segmental arc installation, press spring (459) to be connected with vertical board.
7. The automatic cutting device for connecting cables of inflatable liferaft system according to claim 1, wherein: the top cutting frame (47) is of a U-shaped frame structure, the top cutting frame (47) is in concave-convex fit with the cutting blade (48), and a cutter clamping groove (480) is formed in the concave surface of the top cutting frame (47).
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| CN202211337041.0A CN115592050B (en) | 2022-10-28 | 2022-10-28 | Automatic cutting device for connecting cable of inflatable life raft system |
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| CN202211337041.0A CN115592050B (en) | 2022-10-28 | 2022-10-28 | Automatic cutting device for connecting cable of inflatable life raft system |
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| CN115592050B (en) | 2023-10-31 |
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