CN106516004B - Fire door structure - Google Patents
Fire door structure Download PDFInfo
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- CN106516004B CN106516004B CN201510577767.5A CN201510577767A CN106516004B CN 106516004 B CN106516004 B CN 106516004B CN 201510577767 A CN201510577767 A CN 201510577767A CN 106516004 B CN106516004 B CN 106516004B
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- door
- fire door
- door structure
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- 238000009434 installation Methods 0.000 claims abstract description 15
- 230000000903 blocking effect Effects 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 7
- 244000141353 Prunus domestica Species 0.000 claims description 6
- 235000013372 meat Nutrition 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 238000007373 indentation Methods 0.000 claims description 2
- 210000001015 abdomen Anatomy 0.000 claims 1
- 230000009970 fire resistant effect Effects 0.000 description 20
- 238000010586 diagram Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 239000012141 concentrate Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008094 contradictory effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The invention discloses a kind of fire door structures, for ship or marine engineering equipment, the fire door structure includes the rectangle aperture of door for being suitable for fireproof door frame installation on the bulkhead being arranged on the ship or marine engineering equipment, one and the nontangential arcuate socket of rectangle aperture of door straight flange are respectively equipped at four corners of the rectangle aperture of door, maximum chord length between any two points of the arcuate socket is more than or equal to 50mm, one is respectively equipped at four corners of the rectangle aperture of door for blocking the web of the arcuate socket, the web is attached on the bulkhead and connect with the fireproof door frame.Fire door structure of the invention can solve the problems, such as that stress collection caused by the corner of rectangular door hole neutralizes fatigue.
Description
Technical field
The present invention relates to the fire resistant doorsets in ship and ocean engineering field more particularly to a kind of ship and marine engineering equipment
Mounting structure.
Background technique
At present in the construction of ship and ocean engineering platform, the fire resistant doorsets of steel structure are widely used.
Fire resistant doorsets are generally divided into A grades and B grades.The bulkhead of A grades of fire protection requirements must be built into gas closed cabin by steel material
Wall.Steel structure fire resistant doorsets usually have the doorframe of a rectangle, need also to dig a square on the bulkhead of ship or platform
The aperture of door of shape adapts to the installations of fire resistant doorsets, to open the stop hole that a radius is 13mm in four corners of aperture of door of rectangle, uses
In the extension for preventing the stress due to bulkhead corner from concentrating and causing bulkhead crackle.Stop hole needs when with doorframe erection welding
With the complete penetration sealing of weldering meat.Fire resistance steel door generallys use welding or bolt installation between doorframe and bulkhead.And have on bulkhead
There is the stop hole of this right angle shape because, with weldering meat sealing, the stress for being easily created aperture corner is concentrated in welding,
I.e. the stop hole role is only that when bulkhead splits, and prevents crack advance, and can not play reduction and dispersive stress
The effect of concentration.
The fatigue life that can drastically reduce bulkhead is concentrated in welding and stress at rectangular opening corner, is especially mainly holding
Such contradiction is then more significant on the bulkhead of weight stress.How lance bulkhead aperture and aperture corner at stress concentration between is solved
Shield is one of frequently problem and each platform is under construction will necessarily all face during Offshore Platform Construction
The problem of.
The solution used at present has following two mode:
The first: using sub-door box is increased, digging the rectangular opening with chamfering circular arc, with suitable on primary load bearing bulkhead
The requirement of structural strength is answered, but because fire resistant doorsets are usually designed by manufacturer using the configuration of standard, therefore the chamfering circular arc
Rectangular opening cannot be directly used to the installation of fire resistant doorsets, and sub-door box must be increased, and dig and adapt on sub-door box
The rectangle aperture of door of fire resistant doorsets installation.
Because sub-door box is not belonging to primary load bearing bulkhead, it is only used for the installation of fire resistant doorsets.Although it can be effectively prevented from by force
Destruction on degree, but welding be limited to space, difficulty of construction is big, also, this installation form change platform interior structure and
The layout of fire resistant doorsets, form unsightly, occupied space.The position limited to some arrangements, such as escape route, the regions such as corridor,
Such scheme cannot be used.In addition, door box is to reach enclosed fireproof function, the steel plate for generalling use 10mm thickness encloses
At the weight of each box is approximately 450kg, and the fire resistant doorsets aperture of an ocean platform is approximately 131, if using door box is increased
Scheme, total weight that increases is increased by 59 tons, on the one hand can cause the waste of cost, on the other hand, ocean platform is to weight control
System, which has, strictly to be limited, and such weight increases for the overall performance of platform, and a kind of greatly damage.
Second: if Chinese Patent Application No. is that " a kind of semi-submerged platform upper hull is anti-disclosed in 201120011330.2
The revealed technical solution of the installation aperture of door of vent ", that is, expand bulkhead on the existing rectangle aperture of door of fire resistant doorsets, after expansion
Rectangular door hole corner adds chamfering circular arc, and the radius of the circular arc chamfering is 150mm or so.
Although second scheme can concentrate caused strength problem to avoid the stress of rectangular door hole corner, circular arc is fallen
The corner at angle still needs and doorframe carries out welded corner joint, is unfavorable for the raising of bulkhead structure fatigue life.In addition, because it is expanded
The size of rectangle aperture of door has not adapted to existing fireproof door frame and has directly welded installation, needs to carry out fireproof door frame expansion and changes
Into to make up widened rectangular door pore size.But the expansion that fireproof door frame carries out is improved there are some defects, as follows: first,
Because fireproof door frame itself is not belonging to structural member, intensity and thickness opposed configuration bulkhead are very weak, by expanding fireproof door frame
Widened rectangular door pore size is made up, is the weakening in a kind of intensity for bulkhead, while to the knot of fireproof door frame itself
Structure intensity is also a kind of weakening, so the door after installation is easy to appear the rough sledding of chatter.Second, fire resistant doorsets are to manufactory
Standard configuration design is generallyd use for quotient, if shipyard proposes modification doorframe, manufacturer is typically reluctant to receive, Huo Zhehui
It is proposed the surcharge of increase great number, also therefore, such scheme is seldom used by shipyard, and the practicability is poor.
The rectangle aperture of door and bulkhead stress collection that the airtight fire resistant doorsets for closing bulkhead that the above steel material is built into must have
In between contradiction, it would be highly desirable to effectively solve.
Summary of the invention
The rectangle aperture of door that must have it is an object of the invention to solve the airtight fire resistant doorsets for closing bulkhead in the prior art
With bulkhead stress concentrate between contradiction, and existing scheme there is technical issues that the contradictory solution many, and mention
For a kind of fire door structure, drawback caused in such contradiction and existing scheme can be effectively solved.
The present invention proposes a kind of fire door structure, is used for ship or marine engineering equipment, the fire resistant doorsets installation knot
Structure includes the rectangle aperture of door for being suitable for fireproof door frame installation on the bulkhead for be arranged in the ship or marine engineering equipment, the rectangle
It is respectively equipped with one and the nontangential arcuate socket of the rectangle aperture of door straight flange at four corners of aperture of door, any the two of the arcuate socket
Maximum chord length between point is more than or equal to 50mm, and one is respectively equipped at four corners of the rectangle aperture of door for blocking the arc
The web in shape hole, the web are attached on the bulkhead and connect with the fireproof door frame.
The fire door structure, the web have a notch, and the web forms two directly in the indentation, there
The arm of angle is equipped with stop hole in the intersection of two right-angle side.
The fire door structure, the aperture of the stop hole are 13mm ~ 15mm.
Two right-angle sides of the fire door structure, the web are bonded completely with the fireproof door frame, and described
Two right-angle sides of web are welded by fillet welding and are connect with the fireproof door frame, and the stop hole is located at the corner of the fireproof door frame
Place is simultaneously filled up completely the sealing stop hole with weldering meat.
The fire door structure, the web are to prune one jiao by a steel plate to form the notch and have smooth
The plate structure of outer periphery.
The fire door structure, the steel plate are rectangular steel plates, the rectangular steel plates prune one jiao formed it is described
Web is respectively equipped with circular arc chamfering at three corners that the web is not cut.
The fire door structure, the web are bonded completely with the bulkhead, and the outer periphery of the web with
Bulkhead welding, the bulkhead near the web and the arcuate socket is freely bonded and the web and the arcuate socket inner circumferential
It is sealed between the bulkhead on side using flame-resistant resin.
The fire door structure, the web are more than or equal to 50mm with the length that the bulkhead is freely bonded.
The welding manner of the fire door structure, the outer periphery of the web and the bulkhead is continuous fillet welding.
The arcuate socket is circular hole or slotted eye, and the radius of the circular hole is 25mm ~ 150mm, the ellipse
The major axis radius in hole is 30mm ~ 155mm, and minor axis radius is 25mm ~ 150mm.
The fire door structure, the radius of the circular hole are 30mm ~ 50mm, the web with a thickness of 6mm ~
10mm。
The fire door structure, the fire door structure further include the fireproof door frame and are mounted on described
Door-plate on fireproof door frame.
Compared with prior art, the invention has the following beneficial effects:
Fire door structure of the invention by opening up an arcuate socket at four corners of rectangle aperture of door respectively, the arc
Maximum chord length between any two points in shape hole is more than or equal to 50mm, which can effectively avoid is produced by rectangular door hole corner
Raw stress collection neutralizes fatigue rupture, while the arcuate socket is blocked using web, it is ensured that the structure fire of bulkhead is gentle
Close property.And fire door structure construction is simple of the invention, strong operability are at low cost.The present invention efficiently solves traditional skill
Rectangle aperture of door and bulkhead present in art meet with stresses the contradiction between concentrating, and avoid existing scheme to the contradictory solution
There are many drawbacks.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of rectangle aperture of door of the invention.
Fig. 2 a is the partial enlarged view in the area Tu1Zhong C.
Fig. 2 b and Fig. 2 c are the structural schematic diagram that arcuate socket at the corner of rectangular door hole is slotted eye.
Fig. 3 is the schematic diagram of fire door structure of the present invention.
Fig. 4 is the structural schematic diagram of web of the present invention.
Fig. 5 is the partial enlarged view in the area Tu3Zhong A.
Fig. 6 is the schematic cross-section of the transversal B-B along Fig. 5.
Specific embodiment
Principle and structure in order to further illustrate the present invention carry out the preferred embodiment of the present invention now in conjunction with attached drawing detailed
It describes in detail bright.
In ship or marine engineering equipment, there is certain requirement to the fire protecting performance of bulkhead, wherein prevent fires for A grades
It is required that bulkhead must be built into airtight to close bulkhead by steel material.It usually needs to open up the fire prevention current for crewman on bulkhead
Door, which is installed by fireproof door frame to bulkhead, and in order to install fireproof door frame to bulkhead, one is opened up on bulkhead
Rectangle aperture of door, the present invention provide a kind of fire door structure, the fire door structure can successfully by fire resistant doorsets install to
On bulkhead, and be avoided that the stress generated at the corner of rectangular door hole concentrate caused by asking of reducing of bulkhead intensity and fatigue life
Topic.
As shown in Fig. 1 and Fig. 2 a, Fig. 1 is the structural schematic diagram of rectangle aperture of door of the invention, and Fig. 2 a is the office in the area Tu1Zhong C
Portion's enlarged drawing.Fire door structure of the invention includes being suitable for fire resistant doorsets on the bulkhead for be arranged in ship or marine engineering equipment
The rectangle aperture of door 11 of frame installation, it is nontangential with the straight flange of rectangle aperture of door 11 that one is respectively equipped at four corners of rectangle aperture of door 11
Arcuate socket 111, the maximum chord length between any two points of the arcuate socket 111 are more than or equal to 50mm.The two-end-point of the arcuate socket 111
Straight flange adjacent with rectangle aperture of door 11 is connected respectively.
As shown in Fig. 1 and Fig. 2 a, which is circular hole, and the radius R1 of the circular hole is 25 ~ 150mm.When the arc
When shape hole 111 is circular hole, the maximum chord length between any two points of the arcuate socket 111 is the diameter of the circular hole.The circle
Arc hole has a notch, and the both ends of the notch are connected with straight flange adjacent with rectangle aperture of door 11 respectively.Preferably, the circular hole
Radius R1 can be 30mm ~ 50mm.
In another embodiment, as shown in Fig. 2 b and Fig. 2 c, Fig. 2 b and Fig. 2 c are that the arcuate socket at the corner of rectangular door hole is
The structural schematic diagram of slotted eye.The arcuate socket 111 is slotted eye, and the major axis radius of the slotted eye is 30mm ~ 155mm,
Minor axis radius is 25mm ~ 150mm.The slotted eye has a notch, the both ends of the notch and the phase respectively with rectangle aperture of door 11
Adjacent straight flange is connected.The arrangement relative to its notch of the slotted eye long axis can be according to the actual stress distribution feelings of bulkhead
Condition is adjusted, and as shown in Figure 2 b, the long axis of the slotted eye is parallel with the notch, as shown in Figure 2 c, the length of the slotted eye
Axis and the notch are perpendicular.
In addition, the fire prevention aperture of door 11 is dimensioned in the fireproof door frame of manufacturer's standard configuration produced, this is anti-
Vent hole 11 does not expand original size, and the fireproof door frame of existing manufacturer production can be used directly, without
The improvement in size is done, it is practical.As shown in figure 3, Fig. 3 is the schematic diagram of fire door structure of the present invention.The fire resistant doorsets
Mounting structure further includes fireproof door frame 14 and the door-plate 15 that is mounted on fireproof door frame 14.Fireproof door frame 14 is mounted on rectangle aperture of door
In 11, one is respectively equipped at four corners of the rectangle aperture of door 11 for blocking the web 12 of arcuate socket 111, web 12 is attached to
It is connect on bulkhead and with fireproof door frame 14.
As shown in figure 4, it is the structural schematic diagram of web of the present invention.The web 12 has a notch 123, which exists
Two right-angle sides 121,122 are formed at the notch 123, are equipped with stop hole 125 in the intersection of right-angle side 121 and right-angle side 122.It should
The radius of stop hole 125 can be 13mm ~ 15mm.
In Fig. 4, the equal length of right-angle side 121 and right-angle side 122, but it is not limited to this, the right-angle side 121 and right angle
The length on side 122 can not also wait.
The web 12 can be to prune one jiao by steel plate to form above-mentioned notch 123 and the plate structure with smooth outer periphery,
The steel plate can be round, rectangle or the shape of other outer peripheries smooth transition.Preferably, which is rectangular steel plates, the rectangle
Steel plate prunes one jiao of web 12 for forming shape as shown in Figure 4, sets respectively at other three corners which is not cut
There is circular arc chamfering 124.The radius of the circular arc chamfering 124 can be 50mm.
As shown in figure 4, the thickness of the web 12 can be 6mm ~ 10mm.
As shown in Figure 5 and Figure 6, Fig. 5 is the partial enlarged view in the area Tu3Zhong A, and Fig. 6 is that the section of transversal B-B shows along Fig. 5
It is intended to.Web 12 is attached to the side of bulkhead 13, and the web 12 is connect with fireproof door frame 14, two right-angle sides 121 of web 12,
122 are bonded with two right-angle sides 141,142 of fireproof door frame 14 completely respectively, and are welded using fillet welding by two right-angle sides of web 12
121, it 122 is welded on two right-angle sides 141,142 of fireproof door frame 14, herein, fillet welding welding can be two-sided connection fillet welding.And
When welding, the stop hole 125 at the corner for being located at fireproof door frame 14 is filled up completely sealing with weldering meat, it is thereby achieved that bulkhead
Sealing, and reach fireproof requirement.
The outer periphery of web 12 is welded on bulkhead 13, which can be continuous fillet welding.Cabin near arcuate socket 111
Wall is freely bonded with web 12, and " being freely bonded " herein, which refers to that the bulkhead near arcuate socket 111 is not welded with web 12, is only
Fit together, as shown in fig. 6,12 outer periphery of web away from have between arcuate socket 111 segment length be D web without and bulkhead
13 welding only fit together, and web 12 is more than or equal to 50mm with the length D that bulkhead 13 is freely bonded.Arcuate socket 111 is attached
Close bulkhead and web 12 does not weld the concentration that fatigue stress at 13 rectangle aperture of door of bulkhead, 11 corner can be effectively relieved, to avoid
Strength failure at 11 corner of rectangle aperture of door.
To avoid coating and the etching problem caused by not welding generated gap between arcuate socket 111 and web 12,
It is sealed between the inner periphery and web 12 of arcuate socket 111 using flame-resistant resin 16, thus can also further play fireproof function
With.
Fire door structure of the invention can be mounted in the following manner on the bulkhead of ship or marine engineering equipment:
A rectangle aperture of door is dug on bulkhead according to the size of fireproof door frame；
An arcuate socket is dug respectively at four corners of rectangle aperture of door, the maximum between any two points of arcuate socket 111
Chord length is more than or equal to 50mm；
When fireproof door frame being carried out welding installation with the rectangle aperture of door of the bulkhead, and being installed, only by the rectangle aperture of door
Straight flange welded with fireproof door frame, the circular hole of four corners of rectangle aperture of door does not weld；
Being bonded a web respectively at four corners of fireproof door frame makes web block circular hole, the outer periphery welding of web
On bulkhead, the inner side edge of web is bonded and welds with the fireproof door frame；And fire resistant doorsets are mounted on fireproof door frame.
It should be noted that when web and fireproof door frame are welded with the stop hole on weldering meat filling sealing web.And
After completing web welding, sealed between web and the bulkhead of circular hole inner periphery using flame-resistant resin.
Above-mentioned arcuate socket is circular hole or slotted eye, and the radius of the circular hole is 25mm ~ 150mm, the ellipse
The major axis radius in hole is 30mm ~ 155mm, and minor axis radius is 25mm ~ 150mm.
Fire door structure of the invention opens up an arcuate socket at four corners of rectangle aperture of door respectively, the arcuate socket
Any two points between maximum chord length be more than or equal to the 50mm circular hole can effectively avoid as caused by the corner of rectangular door hole
Stress collection neutralizes fatigue rupture, while the circular hole is blocked using web, it is ensured that the structure fire and air-tightness of bulkhead.
And fire door structure construction is simple of the invention, strong operability are at low cost.
Meanwhile the bulkhead of arcuate socket periphery (that is, near arcuate socket) is not welded with web, therefore can be further avoided
Make the lost of life by welding caused fatigue.
In addition, web of the invention can avoid stress using the plate structure of no corner angle (that is, with smooth outer periphery)
Concentrate and realize smooth welding.
In the above-described embodiments, the radius of circular hole is 25mm ~ 150mm, and but it is not limited to this, is meeting bulkhead intensity point
It is variable in the case where analysis.In addition, to adapt to the variation of circular hole, the web size for blocking circular hole can also do phase
The variation answered.Similarly, the major axis radius of slotted eye and minor axis radius size are also transformable.
The above is only preferable possible embodiments of the invention, not limit the scope of the invention, all with the present invention
The variation of equivalent structure made by specification and accompanying drawing content, is included within the scope of protection of the present invention.
Claims (12)
1. a kind of fire door structure is used for ship or marine engineering equipment, which is characterized in that the fire door structure
It is suitable for the rectangle aperture of door of fireproof door frame installation, the rectangular door on bulkhead including the ship or marine engineering equipment is arranged in
One and the nontangential arcuate socket of the rectangle aperture of door straight flange, any two points of the arcuate socket are respectively equipped at four corners in hole
Between maximum chord length be more than or equal to 50mm, one is respectively equipped at four corners of the rectangle aperture of door for blocking the arc
The web in hole, the web are attached on the bulkhead and connect with the fireproof door frame, and the fireproof door frame passes through the web
It is fixed at four corners of the rectangle aperture of door, so that not welded between the arcuate socket at the fireproof door frame and four corners
It connects.
2. fire door structure according to claim 1, which is characterized in that the web has a notch, the abdomen
Plate forms two right-angle sides in the indentation, there, is equipped with stop hole in the intersection of two right-angle side.
3. fire door structure according to claim 2, which is characterized in that the aperture of the stop hole be 13mm~
15mm。
4. fire door structure according to claim 2, which is characterized in that two right-angle sides of the web are prevented with described
Vent frame is bonded completely, and two right-angle sides of the web are welded by fillet welding and connect with the fireproof door frame, the stop hole
The sealing stop hole is filled up completely at the corner of the fireproof door frame and with weldering meat.
5. fire door structure according to claim 2, which is characterized in that the web is to prune one jiao by a steel plate
Form the notch and the plate structure with smooth outer periphery.
6. fire door structure according to claim 5, which is characterized in that the steel plate is rectangular steel plates, the square
Shape steel plate prunes one jiao and forms the web, is respectively equipped with circular arc chamfering at three corners that the web is not cut.
7. fire door structure according to claim 1, which is characterized in that the web pastes completely with the bulkhead
It closing, and the outer periphery of the web and the bulkhead weld, the bulkhead near the web and the arcuate socket is freely bonded, and
It is sealed between the web and the bulkhead of the arcuate socket inner periphery using flame-resistant resin.
8. fire door structure according to claim 7, which is characterized in that the web is freely bonded with the bulkhead
Length be more than or equal to 50mm.
9. fire door structure according to claim 7, which is characterized in that the outer periphery of the web and the bulkhead
Welding manner be continuous fillet welding.
10. fire door structure according to claim 1, which is characterized in that the arcuate socket is circular hole or ellipse
Shape hole, the radius of the circular hole are 25mm~150mm, and the major axis radius of the slotted eye is 30mm~155mm, short axle half
Diameter is 25mm~150mm.
11. fire door structure according to claim 10, which is characterized in that the radius of the circular hole be 30mm~
50mm, the web with a thickness of 6mm~10mm.
12. according to fire door structure described in claim 1, which is characterized in that the fire door structure further includes institute
The door-plate stating fireproof door frame and being mounted on the fireproof door frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510577767.5A CN106516004B (en) | 2015-09-11 | 2015-09-11 | Fire door structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510577767.5A CN106516004B (en) | 2015-09-11 | 2015-09-11 | Fire door structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106516004A CN106516004A (en) | 2017-03-22 |
| CN106516004B true CN106516004B (en) | 2019-02-15 |
Family
ID=58346679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510577767.5A Active CN106516004B (en) | 2015-09-11 | 2015-09-11 | Fire door structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106516004B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107323620B (en) * | 2017-06-28 | 2019-03-15 | 中国船舶工业集团公司第七0八研究所 | A kind of super-container vessel embeds the reinforcement structure form of gangway ladder |
| CN115142711B (en) * | 2022-08-29 | 2022-12-02 | 中国船舶重工集团国际工程有限公司 | A safe room for boxboard assembled steel construction building |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2078625A (en) * | 1980-06-26 | 1982-01-13 | Fitzgerald Derek Lionel Willia | Improvements in or relating to hatch closures for boats |
| CN201738758U (en) * | 2010-01-25 | 2011-02-09 | 湖州铁佛门窗有限公司 | Fire door structure |
| CN201981965U (en) * | 2011-01-14 | 2011-09-21 | 中国海洋石油总公司 | Mounting door hole of fire door on upper ship body of semi-submersible platform |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200378009Y1 (en) * | 2004-12-08 | 2005-03-10 | 최재도 | Ship door assembly |
-
2015
- 2015-09-11 CN CN201510577767.5A patent/CN106516004B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2078625A (en) * | 1980-06-26 | 1982-01-13 | Fitzgerald Derek Lionel Willia | Improvements in or relating to hatch closures for boats |
| CN201738758U (en) * | 2010-01-25 | 2011-02-09 | 湖州铁佛门窗有限公司 | Fire door structure |
| CN201981965U (en) * | 2011-01-14 | 2011-09-21 | 中国海洋石油总公司 | Mounting door hole of fire door on upper ship body of semi-submersible platform |
Non-Patent Citations (2)
| Title |
|---|
| 浅析防火门的性能要求与质量保证;李桥生;《门窗》;20140228;第30-31页 |
| 烟大铁路轮渡渡船火灾探测报警及防火门_防火风闸系统设计;王立红;《船舶设计通讯》;20071231(第2期);第60-63页 |
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| CN106516004A (en) | 2017-03-22 |
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