CN113247179A

CN113247179A - Easy-to-detach smoke-proof curtain for ship for blocking high-temperature smoke

Info

Publication number: CN113247179A
Application number: CN202110504321.5A
Authority: CN
Inventors: 楼奇昂
Original assignee: Zhejiang Rongrun Machinery Co ltd
Current assignee: Zhejiang Rongrun Machinery Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-08-13
Anticipated expiration: 2041-05-10
Also published as: CN113247179B

Abstract

The invention relates to the technical field of smoke-proof curtains, and discloses a smoke-proof curtain convenient to disassemble and used for ships and warships for blocking high-temperature smoke, which comprises a curtain body, wherein a retracting and releasing device for retracting and releasing the curtain body is arranged at the top of the curtain body; the first connecting screw on the ship is inserted in the stroke of the blind hole to drive the trigger piece to move, and the motion of the trigger piece enables the locking piece to be extruded and attached to the outer wall of the first connecting screw through the transmission assembly. According to the invention, by arranging the passive locking mechanism, when the smoke-proof curtain is disassembled, as no screw is used and no auxiliary tools such as a screwdriver and the like are additionally used, the operation mode is simple and convenient, and the time is saved.

Description

Easy-to-detach smoke-proof curtain for ship for blocking high-temperature smoke

Technical Field

The invention relates to the technical field of smoke-proof curtains, in particular to a detachable smoke-proof curtain for ships and warships, which blocks high-temperature smoke and fire.

Background

When a fire disaster happens to a ship, a large amount of smoke can be generated, facility equipment is easily damaged along with the diffusion of the smoke, economic loss is caused, casualties can be caused, in order to reduce the occurrence of the economic loss and the casualties, a smoke-proof curtain can be installed at positions such as a ship channel, a door opening and a ladder opening, the rapid diffusion and the spreading of the smoke are effectively separated, the smoke is controlled in a local area, the harmfulness of the smoke is reduced to the maximum extent, the life safety of a warship crew is guaranteed, and the vitality and the fighting capacity of the ship are improved.

Chinese utility model patent with application number CN201820612851.5 entitled smoke protection curtain for naval vessel discloses "a smoke protection curtain for naval vessel", include: a cord fabric; characterized by, the smoke protection curtain for naval vessel still include: a receive and release connecting device that is used for curtain cloth receive and release and is connected with bulkhead or deck, receive and release connecting device include: the rolling shutter box is provided with a through groove at the lower end, rolling shutter shafts with two ends connected with the two ends of the rolling shutter box in a one-to-one correspondence manner, a guide shaft positioned at the rear side of the rolling shutter shafts, rolling shutter cylinders with two ends respectively provided with a shutter disc and pivoted with the rolling shutter shafts, guide shaft sleeves pivoted with the guide shafts, and torsion springs arranged between the rolling shutter shafts and the rolling shutter cylinders; one end of the torsion spring is connected with one end of the roller shutter cylinder; the other end of the torsion spring is connected with the roller shutter shaft; the upper end of the curtain cloth is connected with the roller shutter cylinder and the curtain cloth is wound outside the roller shutter cylinder; the lower end of the curtain cloth bypasses the guide shaft sleeve and penetrates out of the through groove. The curtain cloth is wound outside the roller shutter cylinder, the retraction structure is simple and practical under the action of the torsion spring, the guide shaft sleeve is favorable for the smooth retraction of the curtain cloth, and the curtain blocking disc prevents the curtain cloth from sideslipping. The magnets arranged on the side retaining strips are matched with the pull rod, so that the cord fabric can be conveniently limited in the height direction, and the steel belts sewn on the two sides of the cord fabric and the magnets arranged on the side retaining strips fix the cord fabric, so that the aim of cigarette sealing can be fulfilled.

Above-mentioned utility model patent receive and releases simple structure practicality under torsion spring effect, and can play the effect that the conflagration takes place the effective prevention and control flue gas diffusion of initial stage, but the smoke protection curtain can cause a large amount of backlogs or local damage of dust after using, need dismantle clearance or change to the smoke protection curtain, but this utility model's smoke protection curtain is two fixed blocks respectively through the support connection on screw and the hull, when dismantling, need additionally take off the back with the help of with used screw assorted screwdriver with the screw, just can take off the smoke protection curtain, it can't take off the smoke protection curtain is intact to have no screwdriver, this operating means is loaded down with trivial details inconvenient, consume for a long time.

Disclosure of Invention

The invention aims to provide a conveniently-detachable smoke-proof curtain for ships and warships, which can block high-temperature smoke and fire and solve the defects in the prior art.

In order to achieve the above purpose, the invention provides the following technical scheme: a detachable smoke-proof curtain for ships and warships for blocking high-temperature smoke comprises a curtain body, a retracting device for retracting the curtain body is arranged at the top of the curtain body, one end of the retracting device is provided with an inserting part,

the other end of the retraction device is provided with a passive locking mechanism, the passive locking mechanism comprises a body, a blind hole is formed in the body, a trigger piece is arranged in the blind hole in a reciprocating sliding mode, and one end of the trigger piece is connected with a locking piece through a transmission assembly;

the first connecting screw on the ship is inserted in the stroke of the blind hole to drive the trigger piece to move, and the motion of the trigger piece enables the locking piece to be extruded and attached to the outer wall of the first connecting screw through the transmission assembly.

Foretell block naval vessel of high temperature firework with convenient to detach's smoke protection curtain, drive assembly is including setting up the route in the body inside, the equal movive seal in route both ends is provided with the piston rod, the inside packing of route has the driving liquid that can promote two piston rods and remove, one the pole portion and the trigger part of piston rod are connected, another the pole portion and the retaining member of piston rod are connected.

The easy-to-detach smoke-proof curtain for the ship for blocking high-temperature smoke and fire is characterized in that the two groups of passages are communicated with each other.

Foretell block naval vessel of high temperature firework with convenient to detach's smoke protection curtain, the retaining member is including sliding the stripper plate that cup joints the stripper ring and two symmetry hinges settings on the body, the pole portion fixed connection of stripper ring and one of them piston rod, the other end of stripper ring is connected with the stripper plate through the push rod, the push rod can promote the stripper plate and rotate and extrude the laminating at the outer wall of first connecting screw.

Foretell block naval vessel of high temperature firework with convenient to detach's smoke protection curtain, be provided with first recess and the second recess that is linked together on the stripper plate, the inside of first recess is rotated and is provided with the drive wheel, the inside of first recess still slides and is provided with the slider, it promotes the slider and slides to promote the ring accessible push rod, the inside of second recess is rotated and is provided with the eccentric wheel, be connected through connecting soft area between eccentric wheel, drive wheel and the slider, work as when the slider slides, the slider drives the eccentric wheel through connecting soft area and rotates the outer wall in order to extrude first connecting screw rod.

Foretell block smoke protection curtain convenient to detach for naval vessel of high temperature firework, the spliced eye of grafting portion is used for cup jointing second connecting screw on the naval vessel, the surface of grafting portion is provided with the external screw thread, buffer spring has been cup jointed in the surface activity of grafting portion, the surface screw thread of second connecting screw has cup jointed the stop collar, the stop collar also is cup jointed with grafting portion screw thread.

The easy-to-detach smoke-proof curtain for the ships and warships for blocking high-temperature smoke and fire further comprises guide rails arranged on two sides of an upper door body of the ships and warships, limiting plates are fixedly arranged at the bottom of the curtain body, and the left side and the right side of the curtain body and the left side and the right side of the limiting plates are respectively positioned in guide grooves of the two guide rails;

and the curtain also comprises a locking mechanism which can lock and unlock the curtain body.

Foretell block naval vessel of high temperature firework with convenient to detach's smoke protection curtain, locking mechanical system is including setting up the movable groove in the limiting plate is inside, the activity inslot rotates through the torsional spring to be connected with the pivot, the one end of pivot extends to the outside and the fixedly connected with handle of limiting plate, the fixed cover has been connect the runner in the pivot, it has two to pull the rope, two to coil on the runner the other end that pulls the rope all is connected with the locking lever, two the swing joint of locking lever one-to-one is in the jack on two guided ways.

The easy-to-detach smoke-proof curtain for the ship for blocking high-temperature smoke and fire is characterized in that a soft cushion is fixedly arranged in the insertion hole.

The easy-to-detach smoke-proof curtain for the ship for blocking high-temperature smoke and fire is characterized in that the trigger piece is an annular rubber pad.

In the technical scheme, the detachable smoke-proof curtain for the ship for blocking high-temperature smoke and fire provided by the invention has the advantages that through the arrangement of the passive locking mechanism, when the first connecting screw rod on the ship is inserted into the blind hole on the passive locking mechanism and continuously extruded, the locking member and the first connecting screw rod can be locked, so that the smoke-proof curtain can be fixed without using screws, and when the smoke-proof curtain needs to be detached, the first connecting screw rod and the passive locking mechanism can be automatically separated by moving the smoke-proof curtain in the opposite direction, so that the detachment of the smoke-proof curtain is easily completed.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic front view of a removable smoke barrier for ships and warships for blocking high temperature smoke and fire according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a right-view structural view of a removable smoke barrier for ships and warships for blocking high-temperature smoke and fire according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a retraction device provided in accordance with an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a passive locking mechanism provided by an embodiment of the present invention;

FIG. 5 is a cross-sectional view of an extruded sheet provided in accordance with an embodiment of the present invention;

FIG. 6 is a cross-sectional view of a mating part according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of a second connecting screw according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a first connecting screw according to an embodiment of the present invention;

FIG. 9 is a schematic diagram of a partial top view structure provided in accordance with an embodiment of the present invention;

fig. 10 is a cross-sectional view of a stopper plate in a preferred locking mechanism according to an embodiment of the present invention;

FIG. 11 is a cross-sectional view of another preferred locking mechanism provided by an embodiment of the present invention;

FIG. 12 is a schematic view of another preferred locking mechanism in connection with a shade according to an embodiment of the present invention;

FIG. 13 is a schematic structural diagram of a traction wheel according to an embodiment of the present invention;

fig. 14 is a schematic structural diagram of a locking disk according to an embodiment of the present invention.

Description of reference numerals:

1. a curtain body; 2. a guide rail; 3. a limiting plate; 4. a retracting device; 5. a passive locking mechanism; 6. a plug-in part; 7. a gasket; 8. a handle; 9. a first jack; 10. a second jack; 11. a thread; 12. a buffer spring; 13. a limiting sleeve; 14. a rotating wheel; 15. pulling the rope; 16. a lock lever; 17. a movable groove; 18. inserting holes; 19. blind holes; 20. a trigger; 21. a passage; 22. a piston rod; 23. a soft cushion; 24. a push ring; 25. a push rod; 26. a pressing plate; 27. a slider; 28. a first groove; 29. a driving wheel; 30. an eccentric wheel; 31. a second groove; 32. connecting a soft belt; 33. an expansion band; 34. a second connecting screw; 35. a first connecting screw; 36. a housing; 37. a permanent magnet; 38. a hauling rope; 39. pulling a rope; 40. a locking disk; 41. connecting blocks; 42. a blocking plate; 43. a traction wheel; 44. a limiting cover; 45. a return spring.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 14, the easy-to-detach smoke protection curtain for ships and warships for blocking high-temperature smoke and fire provided by the embodiment of the invention comprises a curtain body 1, wherein a retraction device 4 for retracting and releasing the curtain body 1 is arranged at the top of the curtain body 1, an insertion part 6 is arranged at one end of the retraction device 4, a passive locking mechanism 5 is arranged at the other end of the retraction device 4, the passive locking mechanism 5 comprises a body, a blind hole 19 is formed in the body, a trigger member 20 is arranged in the blind hole 19 in a reciprocating sliding manner, one end of the trigger member 20 is connected with a locking member through a transmission assembly, a first connecting screw 35 on a ship is inserted into the stroke of the blind hole 19 to drive the trigger member 20 to move, and the motion of the trigger member 20 enables the locking member to be pressed and attached to the outer wall of the first connecting screw 35 through the transmission assembly.

Specifically, the naval vessel of blocking high temperature fireworks that this embodiment provided is with convenient to detach's smoke protection curtain is applicable to and installs the use in positions such as the passageway of naval vessel, door opening, ladder mouth, effectively cuts off rapid diffusion and the stretching of flue gas, and when the conflagration breaing out because of the naval vessel, easily burn out the circuit, can be by normal use for guaranteeing smoke protection curtain, therefore this embodiment adopts manual formula operation mode. The retracting device 4 in this embodiment is used for winding and releasing the curtain body 1, when the smoke-proof curtain is installed, fixed and detached, only the retracting device 4 needs to be fixed and detached, wherein the retracting device 4 comprises a rolling curtain box (as shown in fig. 3, the inner structure and working mode of the rolling curtain box are the prior art, refer to the contents of the utility model patent recorded in the background technology, which is not described herein), the curtain body 1 is used for closing the passage, the door opening, the ladder opening, etc., playing the role of isolating smoke and fire, wherein the outer surface of the curtain body 1 can be fixedly provided with the reflective strip by means of pasting or sewing, etc., and the reflective strip is placed at the obvious position, which is convenient for the observation of personnel, the inserting part 6 and the passive locking mechanism 5 are both fixedly installed on the rolling curtain box of the retracting device 4, and can adopt the mode of bolt connection or welding, wherein the inserting part 6 and the second connecting screw rod 34 are used in an inserting and matching way, the passive locking mechanism 5 and the first connecting screw 35 are used in a matched plugging mode, the first connecting screw 35 and the second connecting screw 34 are fixedly installed on a ship through bolts, a plugging hole 18 for the second connecting screw 34 to be inserted is formed in the plugging portion 6, the first connecting screw 35 can be inserted into a blind hole 19 formed in the body of the passive locking mechanism 5, when the plugging portion 6 and the second connecting screw 34 complete the plugging matching and the passive locking mechanism 5 and the first connecting screw 35 complete the plugging matching, the locking piece presses and adheres to the outer wall of the first connecting screw 35 in a squeezing mode to complete the fixing of the winding and unwinding device 4, the stress point of the winding and unwinding device 4 is increased, the installation stability of the winding and unwinding device 4 is guaranteed, the plugging portion 6 and the second connecting screw 34 which are used in a matched mode, and the number of the passive locking mechanism 5 and the first connecting screw 35 which are used in a matched mode is at least two. The working principle of the easy-to-detach smoke protection curtain for ships and warships for blocking high-temperature smoke and fire provided by this embodiment is that, firstly, each first connecting screw 35 and each second connecting screw 34 are fixedly installed on the ship by measuring and using bolts, the position of each first connecting screw 35 corresponds to the position of each passive locking mechanism 5, the position of each second connecting screw 34 corresponds to the position of each inserting part 6, then, the retraction device 4 fixedly installed with the passive locking mechanisms 5 and the inserting parts 6 is lifted, the inserting parts 6 are aligned with the second connecting screws 34, the inserting parts 6 and the second connecting screws 34 are firstly inserted, then, the blind holes 19 on the passive locking mechanisms 5 correspond to the first connecting screws 35, and the retraction device 4 is pushed to move to one side of the first connecting screws 35, so that the first connecting screws 35 are inserted into the corresponding blind holes 19, when the first connecting screw 35 is inserted, the trigger 20 is pushed to move inwards along the blind hole 19, the motion of the trigger 20 extrudes the transmission assembly, the transmission assembly drives the locking piece to extrude and attach to the outer wall of the first connecting screw 35, the first connecting screw 35 is locked with the passive locking mechanism 5, the deeper the first connecting screw 35 is inserted, the firmer the first connecting screw 35 is locked with the passive locking mechanism 5, and therefore the installation of the winding and unwinding device 4 can be completed. In the prior art, the screw is required to be used for installing and fixing the retracting device 4, an additional screwdriver is required to be used in a matched mode, when the retracting device is detached, the retracting device 4 can be detached after the screw is detached additionally by the aid of the screwdriver matched with the used screw, the retracting device 4 cannot be detached completely without the screwdriver, and the operation mode is complicated, inconvenient and long in time consumption. The invention has the innovation points that the passive locking mechanism 5 is arranged, so that the mounting and fixing of the winding and unwinding device 4 can be completed, screws and auxiliary tools such as screwdrivers are not needed, the mounting and dismounting operation mode is simple and convenient, the time is saved, and the technical problems can be effectively solved.

In this embodiment, the trigger 20 is ring-shaped, and the material of the trigger 20 is preferably rubber, so that the soft property of the rubber can be utilized to play a role of buffering when the first connecting screw 35 extrudes the trigger 20, thereby reducing the noise generated during abrasion and collision.

In this embodiment, as shown in a preferred mode of fig. 4, the transmission assembly includes a passage 21 disposed inside the body, the passage 21 may be designed in a U shape or a curved shape, the two ends of the passage 21 are both provided with piston rods 22 in a dynamic sealing manner, the piston rods 22 are composed of rod portions and piston portions, the rod portions and the piston portions are integrally connected, the passage 21 is filled with a driving liquid capable of pushing the two piston rods 22 to move, the driving liquid is preferably a lubricating oil, the piston rods 22 can be pushed and friction force can be reduced to play a lubricating role, and the passage 21 can be filled between the two piston rods 22, and a filling port of the driving liquid can be disposed on the passage 21, the filling port can be connected with a cover body in a sealing manner by a threaded connection, wherein the rod portion of one piston rod 22 is connected with the trigger 20, and the rod portion of the other piston rod 22 is connected with the locking member; the locking piece comprises a pushing ring 24 which is sleeved on the body in a sliding manner and two extrusion plates 26 which are symmetrically hinged on the body, a notch is formed in the connecting position of the body and the extrusion plates 26, a supporting shaft is installed in the notch and movably penetrates through a through hole in the extrusion plates 26, the rotation of the extrusion plates 26 can be realized by utilizing the supporting shaft, the inner side surfaces of the extrusion plates 26 are used for extruding and attaching to the outer wall of the first connecting screw 35, the inner side surfaces of the extrusion plates 26 are preferably arc-shaped, the contact area between the inner side surfaces of the extrusion plates and the outer wall of the first connecting screw 35 is increased, the firmness can be improved, the pushing ring 24 can automatically slide along the outer surface of the body, in order to reduce the sliding resistance, balls can be movably embedded at the bottom of the pushing ring 24, when the pushing ring 24 moves, the balls roll, so that the sliding resistance is reduced, the pushing ring 24 is fixedly connected with the rod part of one piston rod 22, and the other end of the pushing ring 24 is connected with the extrusion plates 26 through a pushing rod 25, the push rod 25 pushes the pressing plate 26 to rotate, so that the pressing plate 26 presses the outer wall of the first connecting screw 35. In this embodiment, the number of the transmission assemblies and the number of the extrusion plates 26 are two, and the two transmission assemblies and the two extrusion plates 26 are symmetrically arranged and used in cooperation.

When the first connecting screw 35 extrudes the trigger 20, the trigger 20 extrudes the rod portions of the two sets of piston rods 22 to move the two sets of piston rods 22 simultaneously, the movement of the piston rods 22 enables the driving liquid to extrude the other two sets of piston rods 22 simultaneously to move in opposite directions and push the pushing ring 24 to slide, the sliding of the pushing ring 24 enables the two sets of extrusion plates 26 to rotate through the push rod 25 and extrude the outer wall of the first connecting screw 35 inwards, so that the first connecting screw 35 is locked by the two sets of extrusion plates 26.

In this embodiment, one preferable way that the pushing ring 24 slides to rotate the two sets of pressing plates 26 via the pushing rod 25 is that, as shown in fig. 5, a first groove 28 is formed on the pressing plate 26, a sliding block 27 is slidably disposed inside the first groove 28, wherein a sliding plate with a T-shaped cross section is fixedly mounted at the bottom of the sliding block 27, and a sliding slot adapted to the T-shaped sliding plate is disposed at the bottom of the first groove 28, so that the sliding plate can freely slide in the sliding slot and cannot be separated from the sliding slot. When the pushing ring 24 slides, the pushing rod 25 is driven to move, the sliding block 27 slides due to the movement of the pushing rod 25, so that the sliding block 27 can extrude the extrusion pressing plate 26 to rotate, and the inner side surface of the extrusion pressing plate 26 is extruded and attached to the outer wall of the first connecting screw 35.

Further, in order to improve the firmness of the locking member for extruding the first connecting screw 35, in this embodiment, the extruding plate 26 is further provided with a second groove 31 communicated with the first groove 28, the inside of the first groove 28 is further rotatably provided with a driving wheel 29, the inside of the second groove 31 is rotatably provided with an eccentric wheel 30, the driving wheel 29 and the sliding block 27 are connected through a connecting soft belt 32, the driving wheel 29 plays a role in supporting the connecting soft belt 32 and changing the advancing direction, in order to ensure that the eccentric wheel 30 can timely and effectively rotate, the connecting soft belt 32 can be made of a metal material which is difficult to stretch and deform and is wear-resistant, and when the sliding block 27 slides, the sliding block 27 drives the eccentric wheel 30 to rotate through the connecting soft belt 32 so as to extrude the outer wall of the first connecting screw 35.

After the inner side of the extrusion plate 26 has extruded the outer wall of the first connecting screw 35 of the laminating, continue to make the first connecting screw 35 insert into the deeper position of the blind hole 19, the piston rod 22 continues to exert pressure on the push ring 24, the push ring 24 continues to push the slider 27 to slightly slide through the push rod 25, the extrusion plate 26 is fixed at this moment, the slight slide of the slider 27 drives the soft belt 32 to move, the soft belt 32 pulls the eccentric wheel 30 to slightly rotate, the outer surface of the eccentric wheel 30 continues to extrude the outer wall of the first connecting screw 35, thereby further reinforcing the first connecting screw 35, and the firmness of the locking member for extruding the first connecting screw 35 is improved.

In long-term use, the driving liquid in the passages 21 of the transmission assemblies is consumed and reduced, and the passages 21 are arranged in the two groups of transmission assemblies, so that the passages 21 are provided with two groups, the consumed amount of the driving liquid in the two groups of passages 21 cannot be accurately controlled, the consumption amount of the driving liquid in the two groups of passages 21 is different, once the amount of the driving liquid in the two groups of passages 21 is different, the piston rods 22 on the two groups of transmission assemblies cannot press the push ring 24 at the same time, or the pressure application degrees are different, the stress of the push ring 24 is uneven, and the push ring 24 is blocked.

In order to solve the above problem, further, the two sets of passages 21 are communicated with each other, and the driving liquids in the two communicated passages 21 are integrated with each other into a whole, so that the situation that the driving liquid amounts in the two sets of passages 21 are different is avoided, and the stress uniformity of the push ring 24 is not affected no matter how the driving liquids are reduced, so that the push ring 24 is prevented from being jammed, and the moving smoothness is improved.

Still further, as shown in fig. 6, the inner wall of the insertion hole 18 of the insertion part 6 is fixedly provided with a cushion 23, the inner wall of the cushion 23 is tightly pressed and connected with the outer surface of the second connecting screw rod 34, so that the second connecting screw rod 34 is prevented from shaking in the insertion hole 18, and the stability of connection between the second connecting screw rod 34 and the insertion part 6 is improved.

Wherein, if the ship has a large shake, the retraction device 4 will shake, so that the locking member and the first connecting screw 35 will loosen, and in order to avoid this situation, in this embodiment, as shown in fig. 6 and 7, the inserting hole 18 of the inserting part 6 is used for sleeving the second connecting screw 34 on the ship, the outer surface of the inserting part 6 is provided with an external thread, the outer surface of the inserting part 6 is movably sleeved with the buffer spring 12, the outer surface thread of the second connecting screw 34 is sleeved with the limit sleeve 13, the limit sleeve 13 is also in threaded sleeving with the inserting part 6, the buffer spring 12 is located between the limit sleeve 13 and the inserting part 6 for buffering the retraction device 4, and simultaneously increasing the tightness between the limit sleeve 13 and the retraction device 4 to prevent a void from occurring, the limit sleeve 13 comprises a left half part with a larger inner diameter and a right half part with a smaller inner diameter, the inner walls of the left half part and the right half part are provided with threads, the left half part is in threaded sleeve joint with the insertion part 6, the right half part is in threaded sleeve joint with the second connecting screw rod 34, and the limiting sleeve 13 plays a role in limiting the buffer spring 12 and the retraction device 4, so that the retraction device 4 can be prevented from moving, and the first connecting screw rod 35 and the locking piece are loosened. The concrete operation mode is, after stripper plate 26 and eccentric wheel 30 all locked first connecting screw 35, the stop collar 13 is twisted soon to the manual work, make stop collar 13 along second connecting screw 34 toward the direction of winding and unwinding devices 4 remove and the threaded sleeve connects to grafting portion 6, make stop collar 13 constantly extrude buffer spring 12 compression deformation, and the elasticity that produces behind the buffer spring 12 compression deformation will constantly extrude winding and unwinding devices 4, it is spacing to make winding and unwinding devices 4, avoid leading to making between retaining member and the first connecting screw 35 not hard up because of rocking of the naval vessel, improve winding and unwinding devices 4's fastness greatly, and can play the cushioning effect to winding and unwinding devices 4, reduce and vibrate.

Meanwhile, when the ship rocks, the curtain body 1 is easily driven to swing in the front-back direction and the left-right direction, the wind swing resistance is poor, when the curtain body 1 swings in use, a large amount of smoke can penetrate through the curtain body 1, and the smoke isolation effect of the curtain body 1 is greatly reduced. In order to increase the stability of the curtain body 1 in use, in this embodiment, further, the curtain body further includes guide rails 2 disposed on two sides of an upper door body of a ship, bottoms of the guide rails 2 are in contact with the ground of the ship, tops of the guide rails 2 are in contact with bottoms of the retraction devices 4, limiting plates 3 are fixedly mounted at bottoms of the curtain body 1, left and right sides of the curtain body 1 and the limiting plates 3 are respectively located in guide grooves of the two guide rails 2, the guide rails 2 are made of metal and are not prone to deformation and high temperature resistance, the limiting plates 3 are limited between the two guide rails 2 and can only move in the height direction, so that the curtain body 1 fixedly connected with the guide rails is limited between the two guide rails 2, the curtain body does not swing in use, and the wind swing resistance of the curtain body 1 in use is improved.

In this embodiment, when the curtain 1 is pulled to the bottommost portion, the position of the curtain 1 needs to be locked, so that the curtain 1 cannot be pulled back upwards, and further, the limiting plate 3 is provided with a locking mechanism, and the limiting plate 3 and the guide rail 2 can be locked and unlocked by manually operating the locking mechanism, so that the curtain 1 can be manually fixed or pulled back as required, and cannot be pulled back upwards by itself.

In a preferred embodiment, as shown in fig. 10 and 2, the locking mechanism includes a movable groove 17 disposed inside the limiting plate 3, a rotating shaft is rotatably connected inside the movable groove 17 through a torsion spring, one end of the rotating shaft extends to the outside of the limiting plate 3 and is fixedly connected with a handle 8, the rotating shaft can be driven to rotate through the rotating handle 8, after the hand is released, the rotating shaft and the handle 8 can be reset under the action of the torsion spring (the connection mode of the torsion spring with the rotating shaft and the movable groove 17 is not shown in the drawings, this connection mode is the prior art and is not described again), a rotating wheel 14 is fixedly sleeved on the rotating shaft, two pulling ropes 15 are wound on the rotating wheel 14, the other ends of the two pulling ropes 15 are both connected with a locking rod 16, the pulling ropes 15 are preferably made of deformable and tough metal sheet, so that the pulling ropes 15 can push the locking rods 16 to move, the two locking rods 16 are movably connected to the insertion holes on the two guide rails 2 one-to one, when the rotating handle 8 is rotated to rotate the rotating shaft, the rotating shaft drives the rotating wheel 14 to rotate, the rotating wheel 14 rotates to enable the two pulling ropes 15 to be wound on the outer surface of the rotating wheel 14, so that the two locking rods 16 move inwards and are separated from the insertion holes in the guide rail 2, and the curtain body 1 is pulled back upwards; when the handle 8 is loosened, the rotating shaft is reset under the action of the torsion spring, the rotating shaft drives the rotating wheel 14 to rotate in the opposite direction, and the two pulling ropes 15 are pushed outwards, so that the two locking rods 16 move outwards and are inserted into the insertion holes in the two guide rails 2, and the limiting plate 3 and the curtain body 1 are fixed.

In this embodiment, the jack on two guided ways 2 can be circular, oval, square etc., make things convenient for locking lever 16 to insert can, and the jack is two pairs, two pairs of jacks are first jack 9 and second jack 10 respectively, the distance of first jack 9 apart from 2 tops of guided way is 500mm at least, second jack 10 is located the bottom of guided way 2, utilize first jack 9 and second jack 10 can realize the second grade of curtain body 1 and receive and release the requirement, make the decurrent effective descending height of first order not less than 500mm, the second grade is put completely, when the release of first order, can make things convenient for personnel's the passing through to withdraw, have certain barrier effect to the flue gas simultaneously, withdraw the back completely when personnel, carry out the release of second grade, curtain body 1 descends completely this moment, carry out effectual flue gas barrier. When the first-stage release and the second-stage release are carried out, the torsion spring is always in an elastic force storage state before the lock rod 16 is not inserted into the jack, once the lock rod 16 reaches the jack position, the torsion spring automatically releases the elastic force, so that the two lock rods 16 are automatically inserted into the jacks, the curtain body 1 is fixed, extra tools and other operations are not needed, the operation is very quick and convenient, and the operation time during locking is greatly saved.

When the above-mentioned preferred locking mechanism is locked, it needs to be realized by matching with the insertion holes arranged on the guide rail 2, and it cannot be locked at any position, therefore, in another preferred embodiment, as shown in fig. 11, the locking mechanism comprises a housing 36 fixedly mounted on the curtain body 1, a connecting block 41, a blocking plate 42 fixedly mounted with a through hole, and a traction wheel 43 are respectively slidably arranged in the housing 36, a return spring 45 is fixedly connected between the connecting block 41 and the blocking plate 42, a permanent magnet 37 capable of being attracted and connected with the guide rail 2 is fixedly mounted on the connecting block 41, the return spring 45 is used for pushing the permanent magnet 37, so that the permanent magnet 37 is attracted to the guide rail 2, the guide rail 2 is made of a metal material capable of being attracted to the permanent magnet 37, the blocking plate 42 is used for limiting the return spring 45, a traction rope 38 is fixedly mounted on the connecting block 41, and the traction rope 38 passes through the through holes of the return spring 45 and the blocking plate 42 and can pull the connecting block 41 to slide the connecting block 41, so that the permanent magnet 41 can be pulled to make the permanent magnet slide 37 is separated from the guide rail 2, the traction wheel 43 is in sliding contact with the traction rope 38 and is used for limiting the position of the traction rope 38 on the height, so that the force direction of the traction rope 38 on the connecting block 41 is unchanged when the connecting block 41 is pulled, the stability during pulling is improved, wherein the connecting point of the traction rope 38 and the connecting block 41 is positioned at the center of the connecting block 41, the height of the sliding contact point of the traction rope 38 and the traction wheel 43 is the same as or approximately the same as the height of the connecting point of the traction rope 38 and the connecting block 41, and therefore the maximum pulling force of the traction rope 38 on the connecting block 41 is achieved. In the preferred mode, when an external force pulls the pulling rope 38, the pulling rope 38 drives the connecting block 41 and the permanent magnet 37 to slide, and the connecting block 41 extrudes the return spring 45 to generate elastic deformation, at this time, the permanent magnet 37 is not in contact with the guide rail 2, and the curtain body 1 is in an unlocking state; when the external force is released, the connecting block 41 is reset under the action of the reset spring 45, and at the moment, the permanent magnet 37 and the guide rail 2 automatically adsorb and lock the curtain body 1, so that the aim of locking the curtain body 1 at any position is fulfilled.

In this embodiment, in order to ensure the firmness of the permanent magnet 37 and the guide rail 2, as shown in fig. 12, the locking mechanism includes a plurality of sets, the plurality of sets of locking mechanisms are arranged in sequence from top to bottom, the number of each set of locking mechanisms is two, the two locking mechanisms are symmetrically disposed on the left and right sides of the curtain body 1, the two traction ropes 38 in each set of locking mechanisms are fixedly connected, the joint of the two traction ropes 38 in each set of locking mechanisms is fixedly connected with a pull rope 39, wherein the traction ropes 38 and the pull rope 39 are made of a material which is not easy to be stretched, when the pull rope 39 is pulled downwards, the pull rope 39 drives each traction rope 38 to move simultaneously, each traction rope 38 drives each corresponding permanent magnet 37 to move, so that each permanent magnet 37 is separated from the guide rail 2 at the same time, after the pull rope 39 is loosened, each permanent magnet 37 is reset and adsorbed to the guide rail 2 under the action of each reset spring 45, therefore, the simultaneous adsorption and separation of the permanent magnets 37 and the guide rail 2 can better realize the unlocking and locking of the curtain body 1.

In this embodiment, when the curtain body 1 needs to be wound into the winding and unwinding device 4, the permanent magnet 37 does not need to be attracted to the guide rail 2, and the locking mechanism only needs to be always unlocked. In order to realize that the locking mechanism always keeps an unlocked state, further, a locking disc 40 is fixedly installed on the curtain body 1, as shown in fig. 14, a limiting groove for the traction rope 38 to be clamped in is arranged on the outer peripheral surface of the locking disc 40, a through groove for the traction rope 39 to pass through is arranged on the front surface of the locking disc 40, and the locking disc 40 can be installed under any group of locking mechanisms, preferably under the group of locking mechanisms at the lowest position, because the locking disc is closer to the force application part of the traction rope 39, the clamping of the traction rope 38 in the limiting groove can be controlled more conveniently. In the operation process, the pulling rope 39 passes through the through groove, when the pulling rope 39 is pulled downwards, the pulling rope 39 can be slightly pulled outwards in an inclined mode, the pulling rope 39 is moved out of the through groove, when the pulling rope 39 is pulled downwards, the joint of the pulling rope 38 and the pulling rope 39 which is positioned above the locking disc 40 is continuously close to the bottom of the locking disc 40, when the pulling rope is pulled downwards until each permanent magnet 37 is separated from the guide rail 2, the joint of the pulling rope 38 and the pulling rope 39 reaches or is about to reach the bottom of the locking disc 40, the pulling rope 39 is continuously pulled downwards slightly, the joint of the pulling rope 38 and the pulling rope 39 can be pulled downwards to a position lower than the bottom of the locking disc 40, then the pulling rope 39 is inclined inwards, the pulling rope 39 is positioned in the through groove again, so that the pulling rope 38 is clamped in the limiting groove, after the hand is loosened, the joint of the pulling rope 38 and the pulling rope 39 is moved upwards under the action of, thereby haulage rope 38 is by firmly the joint to the spacing groove in, and each permanent magnet 37 does not adsorb with guided way 2 this moment, and curtain 1 is in the unblock state, and under the state that does not have external force pulling stay cord 39, curtain 1 will be in the unblock state all the time to can conveniently carry out the rolling to curtain 1.

In this embodiment, since a gap is formed between the two side surfaces of the traction wheel 43 in the axial direction and the inner wall of the housing 36, during the operation, the traction rope 38 can easily slide or move into the gap after separating from the traction wheel 43, if the situation occurs, the pulling force direction of the connecting block 41 will be changed, and the permanent magnet 37 fixedly connected with the connecting block 41 may not smoothly separate from the guide rail 2, in order to ensure that the traction rope 38 does not move into the gap, as shown in fig. 13, a limiting cover 44 is fixedly installed on the traction wheel 43, a space for the traction rope 38 to pass through and move in the axial direction of the traction wheel 43 is formed between the inner side surface of the limiting cover 44 and the outer circumferential surface of the traction wheel 43, wherein in order to ensure that the limiting cover 44 does not obstruct the movement of the traction rope 38, the position of the limiting cover 44 is preferably the top of the traction wheel 43, so that the traction wheel 43 does not contact with the limiting cover 44 to cause abrasion when moving from the space, the traction rope 38 is limited in the space and does not break away from the gap formed between the two side surfaces of the traction wheel 43 in the axial direction and the inner wall of the shell 36, so that the problem can be effectively solved.

In this embodiment, because a movable gap exists between the edge of the curtain body 1 and the guide groove on the guide rail 2, the smoke is easy to pass through the movable gap, in order to ensure the smoke sealing effect of the curtain body 1, further, an expansion band 33 is fixedly installed in the guide groove of the guide rail 2, the expansion band 33 is made of elastic material, and the length of the expansion band 33 is the same as or approximately the same as that of the guide rail 2, the expansion band 33 is connected with an external water source through a water pipe, when the expansion band 33 is filled with water, the expansion band 33 is extruded and expanded by the water, the expanded expansion band 33 extrudes the curtain body 1 and is tightly attached to the side surface of the curtain body 1, thereby sealing the space between the curtain body 1 and the expansion belt 33, preventing the smoke from passing through, improving the smoke sealing efficiency of the curtain body 1, and the water filled in the expansion belt 33 can cool the expansion belt 33, so that the expansion belt 33 is prevented from being deformed or damaged in a high-temperature environment.

Furthermore, when the curtain body 1 is pulled to the bottommost part, sealing between the limiting plate 3 and the ship ground is difficult to complete, gaps are easy to occur, and the smoke sealing efficiency of the curtain body 1 can still be reduced. When the curtain body 1 is pulled to the bottommost part, the sealing gasket 7 filled with liquid is extruded and deformed, so that the bottom of the sealing gasket 7 is tightly attached to the ground of a ship, even if the ground of the ship is not in a flat state, the sealing gasket 7 can still be tightly attached to and sealed with the ground of the ship by utilizing the elastic deformation characteristic of the sealing gasket 7, smoke cannot penetrate through the bottom of the curtain body 1, and the smoke sealing efficiency of the curtain body 1 is further improved.

Meanwhile, when a fire disaster occurs on the ship, the temperature of the ship ground rises along with the rise of the temperature, and the liquid in the sealing gasket 7 can protect the sealing gasket 7, so that the sealing gasket 7 is prevented from being damaged by the ship ground at a high temperature.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. Block smoke protection curtain of naval vessel convenient to detach of high temperature firework, including curtain (1) the top of curtain (1) is provided with winding and unwinding devices (4) that are used for receiving and unwinding curtain (1), the one end of winding and unwinding devices (4) is provided with grafting portion (6), its characterized in that:

the other end of the retraction device (4) is provided with a passive locking mechanism (5), the passive locking mechanism (5) comprises a body, a blind hole (19) is formed in the body, a trigger piece (20) is arranged in the blind hole (19) in a reciprocating sliding mode, and one end of the trigger piece (20) is connected with a locking piece through a transmission assembly;

the first connecting screw rod (35) on the ship is inserted into the stroke of the blind hole (19) to drive the trigger piece (20) to move, and the movement of the trigger piece (20) enables the locking piece to be extruded and attached to the outer wall of the first connecting screw rod (35) through the transmission assembly.

2. The easy-to-detach smoke curtain for ships and warships that block high temperature smoke and fire of claim 1, wherein: the transmission assembly comprises a passage (21) arranged inside the body, piston rods (22) are arranged at two ends of the passage (21) in a dynamic sealing mode, driving liquid capable of pushing the two piston rods (22) to move is filled inside the passage (21), one rod portion of each piston rod (22) is connected with the trigger part (20), and the other rod portion of each piston rod (22) is connected with the locking part.

3. The easy-to-detach smoke curtain for ships and warships that block high temperature smoke and fire of claim 2, wherein: the passages (21) are divided into two groups, and the two groups of passages (21) are communicated with each other.

4. The easy-to-detach smoke curtain for ships and warships that block high temperature smoke and fire of claim 3, wherein: the retaining member includes that the slip cup joints push ring (24) and two symmetry hinges on the body and sets up stripper plate (26) on the body, push ring (24) and the pole portion fixed connection of one of them piston rod (22), the other end of push ring (24) is connected with stripper plate (26) through push rod (25), push rod (25) can push stripper plate (26) and rotate and extrude the laminating at the outer wall of first connecting screw (35).

5. The easy-to-detach smoke curtain for ships and warships that block high temperature smoke and fire of claim 4, wherein: the extrusion device is characterized in that a first groove (28) and a second groove (31) which are communicated with each other are formed in the extrusion plate (26), a transmission wheel (29) is arranged in the first groove (28) in a rotating mode, a sliding block (27) is further arranged in the first groove (28) in a sliding mode, the sliding block (27) can be pushed by the pushing ring (24) through the push rod (25) to slide, an eccentric wheel (30) is arranged in the second groove (31) in a rotating mode, the eccentric wheel (30), the transmission wheel (29) and the sliding block (27) are connected through a soft connecting belt (32), and when the sliding block (27) slides, the sliding block (27) drives the eccentric wheel (30) to rotate through the soft connecting belt (32) so as to extrude the outer wall of the first connecting screw rod (35).

6. The easy-to-detach smoke curtain for ships and warships that block high temperature smoke and fire of claim 1, wherein: the plug hole (18) of the plug part (6) is used for being sleeved with a second connecting screw rod (34) on the ship, external threads are arranged on the outer surface of the plug part (6), a buffer spring (12) is movably sleeved on the outer surface of the plug part (6), a limiting sleeve (13) is sleeved on the outer surface of the second connecting screw rod (34) in a threaded mode, and the limiting sleeve (13) is also sleeved with the plug part (6) in a threaded mode.

7. The easy-to-detach smoke curtain for ships and warships that block high temperature smoke and fire of claim 1, wherein: the anti-collision curtain is characterized by further comprising guide rails (2) arranged on two sides of an upper door body of a ship, a limiting plate (3) is fixedly mounted at the bottom of the curtain body (1), and the left side edge and the right side edge of the curtain body (1) and the limiting plate (3) are respectively located in guide grooves of the two guide rails (2);

the curtain also comprises a locking mechanism which can lock and unlock the curtain body (1).

8. The easy-to-detach smoke curtain for ships and warships that block high temperature fireworks of claim 7, characterized in that: locking mechanical system is including setting up activity groove (17) inside limiting plate (3), be connected with the pivot through the torsional spring rotation in activity groove (17), the one end of pivot extends to outside and fixedly connected with handle (8) of limiting plate (3), fixed cover has connect runner (14) in the pivot, it has two to pull rope (15), two to coil on runner (14) the other end of pulling rope (15) all is connected with locking lever (16), two the swing joint of locking lever (16) one-to-one is in the jack on two guided ways (2).

9. The easy-to-detach smoke curtain for ships and warships that block high temperature fireworks of claim 6, characterized in that: a soft pad (23) is fixedly arranged in the insertion hole (18).

10. The easy-to-detach smoke curtain for ships and warships that block high temperature smoke and fire of claim 1, wherein: the trigger piece (20) is an annular rubber pad.