CN103303447A - Marine A60-level steel watertight door - Google Patents
Marine A60-level steel watertight door Download PDFInfo
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- CN103303447A CN103303447A CN2013102636017A CN201310263601A CN103303447A CN 103303447 A CN103303447 A CN 103303447A CN 2013102636017 A CN2013102636017 A CN 2013102636017A CN 201310263601 A CN201310263601 A CN 201310263601A CN 103303447 A CN103303447 A CN 103303447A
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Abstract
The invention relates to a marine A60-level steel watertight door which comprises a door frame and a door panel, and is characterized in that a center rotating handwheel device is mounted on the door panel, the center rotating handwheel device comprises a fixed seat and clamping and buckling seats, which are mounted on the door panel, first linings capable of moving relative to the clamping and buckling seats are arranged in the clamping and buckling seats, guide shafts are fixed in the first linings, guide holes are formed in the upper parts of the guide shafts in the radial direction of the guide shafts, a handwheel shaft is arranged in the fixed seat; two ends of the handwheel shaft respectively extend out of the door panel, handwheels are mounted at the shaft extending ends, an astrolabe capable of moving relative to the handwheels axially is arranged on the handwheel shaft, a plurality of second capped pin shafts are fixed on the astrolabe, the second capped pin shafts pass through one end of link rods in the radial direction, the other ends of the link rods pass through the guide holes in the upper parts of the guide shafts, a plurality of wedges in one-to-one correspondence with the link rods are arranged on the inner side edge of the door frame, and the surfaces of the wedges are inclined surfaces matched with circular arc surfaces at the other ends of the link rods. The marine A60-level steel watertight door can be closed and compressed, and the watertight standard reaches 0.06 MPa.
Description
Technical field
The present invention relates to a kind of A60 level steel watertight door peculiar to vessel, especially a kind of deck be used to having the A level and cut apart requirement, satisfying fire endurance rating is that A60, the requirement of tightness test pressure are the steel watertight door of 0.06MPa, belongs to the ship ' s equipment technical field.
Background technology
Along with the development of ship industry, the client requires more and more higher to the ship ' s equipment corollary equipment, and in original technology, A60 level steel weather tight door is mainly connected to form by doorframe, door leaf, oeil de boeuf (clear light size is little), hinge means, pinch device etc.This kind A60 level steel weather tight door door leaf inside be with a plurality of roll to link to be connected on utilize handle interlock to compress, unclamp on the link rod, do not regulate leeway; All will mill the clasp groove at doorframe and door leaf inside, difficulty of processing is large; Firmly very large when closing compression, be difficult to open and close and maintenance; Soundproof effect is poor; Can only reach the weather tightness classification standard.Therefore, the unfavorable maintaining of former A60 level steel weather tight door; Be difficult to close compression; Soundproof effect is poor, and oeil de boeuf daylighting size is little, and it is low that weather tightness requires, and can not satisfy the client under the new situation needs.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of watertight door peculiar to vessel is provided, easily close compression watertight standard and reach 0.06MPa, safe and reliable.
According to technical scheme provided by the invention, a kind of A60 level steel watertight door peculiar to vessel comprises doorframe and the door-plate that cooperates with doorframe, and door-plate and doorframe are rotationally connected by the hinge means that is positioned at doorframe one side, at the opposite side of doorframe latching system is installed; Feature is: along the circumferential welding gear frame of described doorframe, in the groove of shelves frame the fire protection flame retarding adhesive tape is installed, this fire protection flame retarding adhesive tape contacts with the edge of door-plate; Along the circumferential welding coaming plate of described door-plate, the watertight door adhesive tape is installed in the cell body that forms between the edge of coaming plate and door-plate, this watertight door adhesive tape contacts with the edge of doorframe; At the installed inside inner cover plate of described door-plate, inner cover plate is fixed on the coaming plate, and the first inorganic fire-proof plate and the first ceramic wool are set between door-plate and inner cover plate; Mounting center rotation hand wheel device on described door-plate, this central rotation handwheel devices comprise the permanent seat that is installed in the door-plate middle part and are fixed on door-plate a plurality of clip seats all around; The first lining that relative clip seat moves up and down is set in described clip seat, and fixed guide axle in the first lining radially arranges pilot hole on the top of the axis of guide along the axis of guide; Installation shaft arranges hand wheel shaft with yx seal ring and copper sheathing in the copper sheathing in described permanent seat, and door-plate is stretched out respectively at the two ends of hand wheel shaft, at two shaft extension ends of hand wheel shaft outside handwheel and inboard handwheel is installed; Relatively axially movable the second lining of hand wheel shaft is being set between inboard handwheel and door-plate on the described hand wheel shaft, at the fixing astrolabe of the second lining, fix a plurality of the second band cap bearing pins at astrolabe, second radially passes an end of link rod with the cap bearing pin, and the other end of link rod passes the pilot hole on axis of guide top; One to one wedge of a plurality of and link rod is set, the inclined-plane of the surface of wedge for matching with link rod other end arc surface in the inside edge of described doorframe.
As a further improvement on the present invention, at the fixing limited post of described inner cover plate, limited post passes astrolabe.
As a further improvement on the present invention, at described door-plate the oeil de boeuf device is installed.
As a further improvement on the present invention, described oeil de boeuf device comprises window seat, the window frame that is welded on the door-plate and is installed in the interior fireproof glass of window seat, the second inorganic fire-proof plate is installed between window seat and window frame; Watertight rubber strip and the first fire prevention expansion bar are installed between described window seat and fireproof glass, in the slot around the fireproof glass, fill up the second ceramic wool, away from the edge of window seat one side the second fire prevention expansion bar is set at fireproof glass, and on the second fire prevention expansion bar fixation clip.
As a further improvement on the present invention, described window seat is rotationally connected by oeil de boeuf hinge means and cover plate, at the opposite side of oeil de boeuf hinge means pinch device is installed.
As a further improvement on the present invention, described oeil de boeuf hinge means comprises oeil de boeuf hinge seat and the welding oeil de boeuf flap on the cover board that is welded on the window seat, and oeil de boeuf hinge seat and oeil de boeuf flap are rotationally connected by the 3rd bearing pin; Described pinch device comprises pressed seat and the welding keep plate on the cover board that is welded on the window seat, compresses pin in the pressed seat fixed installation, at keep plate push bolt is installed, and push bolt holds out against and compresses pin, at push bolt ring nut is installed.
As a further improvement on the present invention, described hinge means comprises the flap that is fixed on the door-plate and the hinge seat that is welded on the doorframe, and flap and hinge seat are rotationally connected by the first band cap bearing pin.
As a further improvement on the present invention, handle in described inner cover plate is fixing.
As a further improvement on the present invention, described latching system comprises the snap close seat that is welded on grade frame and the locking board that is welded on the door-plate, and snap close seat and locking board match.
As a further improvement on the present invention, handle outside the welding of the outside of described door-plate is welded with reinforced rib and gate stop at door-plate.
The present invention is simple in structure, lightweight, compact, reasonable; Has band storm cover plate oeil de boeuf daylighting size large; Have more the sound-insulating and heat-insulating function, can rotarily drive flexible compression of link rod by handwheel opens and closes, rotation hand wheel is easily closed compression, open rear employing gate stop device and be fixed on the steel wall safe and reliablely, all convenient the adjusting compresses and maintenance the flexible hold-down mechanism of door handwheel rotating link of the present invention in the door leaf cover plate outside; Watertight test pressure reaches the A60 level steel watertight door of 0.06 MPa.
Description of drawings
Link rod shrank the cutaway view under the releasing orientation when Fig. 1 was watertight door unlatching of the present invention.
Fig. 2 be watertight door of the present invention when closing link rod stretch out cutaway view under the impaction state.
Fig. 3 is birds-eye view of the present invention.
Fig. 4 is the cutaway view of hinge means of the present invention.
Fig. 5 is the birds-eye view of Fig. 4.
Fig. 6 is the cutaway view of central rotation handwheel devices of the present invention.
Fig. 7 is the birds-eye view of Fig. 6.
Fig. 8 is the cutaway view of oeil de boeuf device of the present invention.
Fig. 9 is the birds-eye view of Fig. 8.
The specific embodiment
The invention will be further described below in conjunction with concrete accompanying drawing.
Such as Fig. 1～shown in Figure 9: as described in A60 level steel watertight door peculiar to vessel comprise hinge means 1, flap 1-1, hinge seat 1-2, the first band cap bearing pin 1-3, fire protection flame retarding adhesive tape 2, shelves frame 3, doorframe 4, wedge 5, watertight door adhesive tape 6, coaming plate 7, door-plate 8, the first inorganic fire-proof plate 9, central rotation handwheel devices 10, permanent seat 10-1, clip seat 10-2, the first lining 10-3, axis of guide 10-4, axle yx seal ring 10-5, copper sheathing 10-6, hand wheel shaft 10-7, outside handwheel 10-8, the second lining 10-9, inboard handwheel 10-10, elastomeric pad 10-11, cover type nut 10-12, holding screw 10-13, astrolabe 10-14, the second band cap bearing pin 10-15, link rod 10-16, limited post 10-17, the first ceramic wool 11, inner cover plate 12, outer handle 14, latching system 15, snap close seat 15-1, locking board 15-2, oeil de boeuf device 16, window seat 16-1, window frame 16-2, fireproof glass 16-3, the second inorganic fire-proof plate 16-4, watertight rubber strip 16-5, the first fire prevention expansion bar 16-6, the second ceramic wool 16-7, the second fire prevention expansion bar 16-8, pressing plate 16-9, cover plate 16-10, oeil de boeuf hinge means 16-11, pinch device 16-12, oeil de boeuf hinge seat 16-13, oeil de boeuf flap 16-14, the 3rd bearing pin 16-15, pressed seat 16-16, keep plate 16-17, compress pin 16-18, push bolt 16-19, ring nut 16-20, reinforced rib 17, gate stop 18, interior handle 19 etc.
Such as Fig. 1～shown in Figure 3, the door-plate 8 that the present invention includes doorframe 1 and cooperate with doorframe 4, door-plate 8 and doorframe 4 are rotationally connected by the hinge means 1 that is positioned at doorframe 4 one sides, at the opposite side of doorframe 4 latching system 15 are installed; Handle 14 outside the welding of the outside of described door-plate 8 is welded with reinforced rib 17 and gate stop 18 at door-plate 8, can adopt gate stop 18 that door-plate 8 is fixed on the steel wall after door-plate 8 is opened; As shown in Figure 1 and Figure 2, along the circumferential welding gear frame 3 of described doorframe 4, in the groove of shelves frame 3 fire protection flame retarding adhesive tape 2 is installed, this fire protection flame retarding adhesive tape 2 contacts with the edge of door-plate 8; Along the circumferential welding coaming plate 7 of described door-plate 8, watertight door adhesive tape 6 is installed in the cell body that forms between the edge of coaming plate 7 and door-plate 8, this watertight door adhesive tape 6 contacts with the edge of doorframe 4; At the installed inside inner cover plate 12 of described door-plate 8, inner cover plate 12 is fixed on the coaming plate 7 by flat several screws, and the first inorganic fire-proof plate 9 and the first ceramic wool 11 are set between door-plate 8 and inner cover plate 12;
Such as Fig. 6～shown in Figure 7, mounting center rotation hand wheel device 10 on described door-plate 8, this central rotation handwheel devices 10 comprises the permanent seat 10-1 that is installed in door-plate 8 middle parts and is welded on a plurality of clip seat 10-2 around the door-plate 8; The first lining 10-3 that relative clip seat 10-2 moves up and down is set in described clip seat 10-2, and fixed guide axle 10-4 in the first lining 10-3 radially arranges pilot hole on the top of axis of guide 10-4 along axis of guide 10-4; Installation shaft yx seal ring 10-5 and copper sheathing 10-6 in described permanent seat 10-1, hand wheel shaft 10-7 is set in the copper sheathing 10-6, door-plate 8 is stretched out respectively at the two ends of hand wheel shaft 10-7, be positioned at outside handwheel 10-8 is installed on the hand wheel shaft 10-7 axle head in door-plate 8 outsides, be positioned on the axle head of hand wheel shaft 10-7 of door-plate 8 inboards inboard handwheel 10-10 is installed, and at two shaft ends of hand wheel shaft 10-7 elastomeric pad 10-11 and cover type nut 10-12 being set, 10-13 fixes with holding screw; Relatively axially movable the second lining 10-9 of hand wheel shaft 10-7 is being set between inboard handwheel 10-10 and door-plate 8 on the described hand wheel shaft 10-7, at the fixing astrolabe 10-14 of the second lining 10-9, fix a plurality of the second band cap bearing pin 10-15 at astrolabe 10-14, second radially passes the end of link rod 10-16 with cap bearing pin 10-15, and the other end of link rod 10-16 passes the pilot hole on axis of guide 10-4 top; One to one wedge 5 of a plurality of and link rod 10-16 is set, the inclined-plane of the surface of wedge 5 for matching with link rod 10-16 other end arc surface in the inside edge of described doorframe 4; At the fixing limited post 10-17 of described inner cover plate 12, limited post 10-17 passes astrolabe 10-14, limited post 10-17 at astrolabe 10-14 along the moving direction that limits astrolabe 10-14 in the axially movable process of hand wheel shaft 10-7;
Such as Fig. 8～shown in Figure 9, at described door-plate 8 oeil de boeuf device 16 is installed, this oeil de boeuf device 16 comprises window seat 16-1, the window frame 16-2 that is welded on the door-plate 8 and is installed in the interior fireproof glass 16-3 of window seat 16-1, the second inorganic fire-proof plate 16-4 is installed between window seat 16-1 and window frame 16-2; Watertight rubber strip 16-5 and the first fire prevention expansion bar 16-6 are installed between described window seat 16-1 and fireproof glass 16-3, in the slot around the fireproof glass 16-3, fill up the second ceramic wool 16-7, away from the edge of window seat 16-1 one side the second fire prevention expansion bar 16-8 is set at fireproof glass 16-3, and on the second fire prevention expansion bar 16-8 fixation clip 16-9; Described window seat 16-1 is rotationally connected by oeil de boeuf hinge means 16-11 and cover plate 16-10, at the opposite side of oeil de boeuf hinge means 16-11 pinch device 16-12 is installed; Described oeil de boeuf hinge means 16-11 comprises the oeil de boeuf hinge seat 16-13 that is welded on the window seat 16-1 and the oeil de boeuf flap 16-14 that is welded on the cover plate 16-10, and oeil de boeuf hinge seat 16-13 and oeil de boeuf flap 16-14 are rotationally connected by the 3rd bearing pin 16-15; Described pinch device 16-12 comprises the pressed seat 16-16 that is welded on the window seat 16-1 and the keep plate 16-17 that is welded on the cover plate 16-10, compress pin 16-18 in pressed seat 16-16 fixed installation, at keep plate 16-17 push bolt 16-19 is installed, push bolt 16-19 holds out against and compresses pin 16-18, at push bolt 16-19 ring nut 16-20 is installed, ring nut 16-20 fixes by several screws of end socket pad peace on push bolt 16-19 top;
Such as Fig. 4～shown in Figure 5, described hinge means 1 comprises the flap 1-1 that is welded on the door-plate 8 and is welded on hinge seat 1-2 on the doorframe 4, and flap 1-1 and hinge seat 1-2 are rotationally connected by the first band cap bearing pin 1-3;
As shown in Figure 3, handle 19 in described inner cover plate 12 is fixing by flat several screws;
As shown in Figure 1 and Figure 2, described latching system 15 comprises the snap close seat 15-1 that is welded on grade frame 3 and the locking board 15-2 that is welded on the door-plate 8, and snap close seat 15-1 and locking board 15-2 match.
Use procedure of the present invention and principle: the present invention be with A level bulkhead hull by being welded, be applicable to fire-protection rating and be deck house bulkhead and place, gangway, cabin that the requirement of A60 level watertight reaches 0.06MPa.In case when fire alarm occured, door energy quick closedown compression of the present invention effectively cuts off burning things which may cause a fire disaster to the cabin and place, gangway, cabin is spread, thereby guarantees that the cabin personal security breaks away from and the cabin machine normally moves, the minimizing casualty loss.
As shown in Figure 1, watertight door is when opening, and astrolabe to the side shifting near door-plate, drive link rod and shrink, thereby link rod unclamped with cooperating of wedge under the guiding of limited post, and door is opened.As shown in Figure 2, watertight door is when cutting out, and astrolabe to the side shifting away from door-plate, drives link rod and stretches out under the guiding of limited post, and link rod cooperates with wedge and compresses, and door is closed.
Watertight door of the present invention burnt 1 hour when the side towards the fire temperature rise can reach 945 ℃ when fire alarm, carried on the back a little higher than normal temperature rise of fiery face.Groundwork is to utilize the fire expansion of fireproofing glue strip chance and stop pyrotechnics when fire alarm.It is fire-retardant that the fireprotection layer that utilizes simultaneously the fire-resistant fluid in inorganic fire-proof plate and ceramic wool and the fireproof glass to form carries out thermal insulation, thereby play passing of choke, resistance cigarette, back-fire relief.Reach the effect of fire-resistant, sound insulation, watertight.
Watertight door of the present invention is by DNV(DET NORSKE VERITAS Det Norske Veritas), ABS(Amerian Bureau of Shipping), the CCS(China Classification Society) the on-the-spot watertight 0.06MPa authentication of ship inspection teacher and approved sample, burn in the examination of the Far East, Shanghai fire prevention experimental establishment on July 18th, 2012 and to succeed.
A60 level steel watertight door property indices of the present invention all meets through " International Convention for the Safety of Life at Sea (SOLAS) in 1974 " the A fire resisting division opening of correction and the relevant requirements of watertight.
Claims (10)
1. A60 level steel watertight door peculiar to vessel, comprise doorframe (1) and the door-plate (8) that cooperates with doorframe (4), door-plate (8) and doorframe (4) are rotationally connected by the hinge means (1) that is positioned at doorframe (4) one sides, at the opposite side of doorframe (4) latching system (15) are installed; It is characterized in that: along the circumferential welding gear frame (3) of described doorframe (4), fire protection flame retarding adhesive tape (2) is installed in the groove of shelves frames (3), this fire protection flame retarding adhesive tape (2) contacts with the edge of door-plate (8); Along the circumferential welding coaming plate (7) of described door-plate (8), watertight door adhesive tape (6) is installed in the cell body that forms between the edge of coaming plate (7) and door-plate (8), this watertight door adhesive tape (6) contacts with the edge of doorframe (4); At the installed inside inner cover plate (12) of described door-plate (8), inner cover plate (12) is fixed on the coaming plate (7), and the first inorganic fire-proof plate (9) and the first ceramic wool (11) are set between door-plate (8) and inner cover plate (12); At the upper mounting center rotation hand wheel device (10) of described door-plate (8), this central rotation handwheel devices (10) comprises the permanent seat (10-1) that is installed in door-plate (8) middle part and is fixed on door-plate (8) a plurality of clip seats (10-2) all around; Relative the first lining (10-3) that moves up and down of clip seat (10-2) of setting in described clip seat (10-2), fixed guide axle (10-4) in the first lining (10-3) radially arranges pilot hole on the top of the axis of guide (10-4) along the axis of guide (10-4); Installation shaft yx seal ring (10-5) and copper sheathing (10-6) in described permanent seat (10-1), hand wheel shaft (10-7) is set in the copper sheathing (10-6), door-plate (8) is stretched out respectively at the two ends of hand wheel shaft (10-7), at two shaft extension ends of hand wheel shaft (10-7) outside handwheel (10-8) and inboard handwheel (10-10) is installed; Be positioned between inboard handwheel (10-10) and the door-plate (8) at described hand wheel shaft (10-7) relatively axially movable the second lining of hand wheel shaft (10-7) (10-9) is set, at the fixing astrolabe (10-14) of the second lining (10-9), at fixing a plurality of the second band cap bearing pins (10-15) of astrolabe (10-14), the second band cap bearing pin (10-15) radially passes an end of link rod (10-16), and the other end of link rod (10-16) passes the pilot hole on the axis of guide (10-4) top; One to one wedge (5) of a plurality of and link rod (10-16) is set, the inclined-plane of the surface of wedge (5) for matching with link rod (10-16) other end arc surface in the inside edge of described doorframe (4).
2. A60 level steel watertight door peculiar to vessel as claimed in claim 1 is characterized in that: at the fixing limited post (10-17) of described inner cover plate (12), limited post (10-17) passes astrolabe (10-14).
3. A60 level steel watertight door peculiar to vessel as claimed in claim 2 is characterized in that: at described door-plate (8) oeil de boeuf device (16) is installed.
4. A60 level steel watertight door peculiar to vessel as claimed in claim 3, it is characterized in that: described oeil de boeuf device (16) comprises window seat (16-1), the window frame (16-2) that is welded on the door-plate (8) and is installed in the interior fireproof glass (16-3) of window seat (16-1), the second inorganic fire-proof plate (16-4) is installed between window seat (16-1) and window frame (16-2); Watertight rubber strip (16-5) and the first fire prevention expansion bar (16-6) are installed between described window seat (16-1) and fireproof glass (16-3), in fireproof glass (16-3) slot all around, fill up the second ceramic wool (16-7), away from the edge of window seat (16-1) side the second fire prevention expansion bar (16-8) is set at fireproof glass (16-3), and at the upper fixation clip (16-9) of the second fire prevention expansion bar (16-8).
5. A60 level steel watertight door peculiar to vessel as claimed in claim 4, it is characterized in that: described window seat (16-1) is rotationally connected by oeil de boeuf hinge means (16-11) and cover plate (16-10), at the opposite side of oeil de boeuf hinge means (16-11) pinch device (16-12) is installed.
6. A60 level steel watertight door peculiar to vessel as claimed in claim 5, it is characterized in that: described oeil de boeuf hinge means (16-11) comprises the oeil de boeuf hinge seat (16-13) that is welded on the window seat (16-1) and is welded on oeil de boeuf flap (16-14) on the cover plate (16-10), and oeil de boeuf hinge seat (16-13) and oeil de boeuf flap (16-14) are rotationally connected by the 3rd bearing pin (16-15); Described pinch device (16-12) comprises the pressed seat (16-16) that is welded on the window seat (16-1) and is welded on keep plate (16-17) on the cover plate (16-10), compress pin (16-18) in pressed seat (16-16) fixed installation, at keep plate (16-17) push bolt (16-19) is installed, push bolt (16-19) holds out against and compresses pin (16-18), at push bolt (16-19) ring nut (16-20) is installed.
7. A60 level steel watertight door peculiar to vessel as claimed in claim 1, it is characterized in that: described hinge means (1) comprises the flap (1-1) that is fixed on the door-plate (8) and is welded on hinge seat (1-2) on the doorframe (4), and flap (1-1) and hinge seat (1-2) are rotationally connected by the first band cap bearing pin (1-3).
8. A60 level steel watertight door peculiar to vessel as claimed in claim 1 is characterized in that: handle (19) in described inner cover plate (12) is fixing.
9. A60 level steel watertight door peculiar to vessel as claimed in claim 1, it is characterized in that: described latching system (15) comprises the snap close seat (15-1) that is welded on grade frame (3) and is welded on locking board (15-2) on the door-plate (8), and snap close seat (15-1) and locking board (15-2) match.
10. A60 level steel watertight door peculiar to vessel as claimed in claim 1 is characterized in that: shake hands (14) to be welded with reinforced rib (17) and gate stop (18) at door-plate (8) outside the welding of the outside of described door-plate (8).
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| CN201310263601.7A CN103303447B (en) | 2013-06-27 | 2013-06-27 | A60 level steel watertight door peculiar to vessel |
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| CN201310263601.7A CN103303447B (en) | 2013-06-27 | 2013-06-27 | A60 level steel watertight door peculiar to vessel |
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| CN103303447A true CN103303447A (en) | 2013-09-18 |
| CN103303447B CN103303447B (en) | 2015-08-05 |
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Cited By (9)
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| KR200476861Y1 (en) | 2013-11-22 | 2015-04-10 | 주식회사 제이비엠 | Opening and closing structure of a hatch for ships |
| KR101605341B1 (en) * | 2015-02-25 | 2016-03-23 | (주)선우 | Hatch cover assembly for high pressure |
| CN106168102A (en) * | 2016-08-25 | 2016-11-30 | 武汉圣禹排水系统有限公司 | A kind of hand wheel type underwater sealing door |
| CN106428457A (en) * | 2016-11-30 | 2017-02-22 | 南京海獭软件有限责任公司 | Pressure resistant watertight door |
| CN106476986A (en) * | 2016-11-30 | 2017-03-08 | 南京海獭软件有限责任公司 | A kind of fireproof pressure-proof watertight door |
| CN106476987A (en) * | 2016-11-30 | 2017-03-08 | 南京睿宇物联网科技有限公司 | A kind of fire-retardant sound insulation watertight door |
| CN106628046A (en) * | 2016-11-30 | 2017-05-10 | 南京睿宇物联网科技有限公司 | Flame-retardant corrosion-resistant watertight door |
| CN107628194A (en) * | 2017-10-20 | 2018-01-26 | 无锡市东舟船舶设备股份有限公司 | A60 levels list fans steel door |
| CN110450908A (en) * | 2019-08-02 | 2019-11-15 | 沈阳铁能通讯智能技术有限公司 | A kind of watertight door window and preparation method thereof |
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| CN106168102A (en) * | 2016-08-25 | 2016-11-30 | 武汉圣禹排水系统有限公司 | A kind of hand wheel type underwater sealing door |
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| CN106476987A (en) * | 2016-11-30 | 2017-03-08 | 南京睿宇物联网科技有限公司 | A kind of fire-retardant sound insulation watertight door |
| CN106628046A (en) * | 2016-11-30 | 2017-05-10 | 南京睿宇物联网科技有限公司 | Flame-retardant corrosion-resistant watertight door |
| CN107628194A (en) * | 2017-10-20 | 2018-01-26 | 无锡市东舟船舶设备股份有限公司 | A60 levels list fans steel door |
| CN110450908A (en) * | 2019-08-02 | 2019-11-15 | 沈阳铁能通讯智能技术有限公司 | A kind of watertight door window and preparation method thereof |
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Address after: Xishan District Agricultural Road 214191 Northeast Tong Street in Jiangsu province Wuxi City No. 22 Patentee after: Wuxi City East ship equipment Limited by Share Ltd Address before: 214191, Jiangsu City, Wuxi province Xishan District Northeast Tong Zhen Nong Village Road Patentee before: Wuxi City Dongzhou Marine Fittings Co., Ltd. |