CN105501400A - Living area inner stair - Google Patents
Living area inner stair Download PDFInfo
- Publication number
- CN105501400A CN105501400A CN201510964890.2A CN201510964890A CN105501400A CN 105501400 A CN105501400 A CN 105501400A CN 201510964890 A CN201510964890 A CN 201510964890A CN 105501400 A CN105501400 A CN 105501400A
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- Prior art keywords
- ladder
- round plate
- plate
- ladder round
- manhole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B29/00—Accommodation for crew or passengers not otherwise provided for
- B63B29/20—Arrangements or adaptations of ladders
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses a living area inner stair which comprises a stair frame. The stair frame is provided with stair step plates bent by a preset angle at equal intervals in the length direction of the stair frame, gaps are formed in the adjacent stair step plates in the horizontal direction, base plates used for plugging the gaps are arranged in the gaps, one end of each base plate is welded to one stair step plate, and the other end of each base plate is welded to another stair step plate. Compared with the prior art, the living area inner stair is simple in structure, convenient to manufacture and low in requirement for precision in the manufacturing process.
Description
Technical field
The present invention relates to a kind of residential development manhole ladder.
Background technology
According to the regulation of specification International Convention for Safety of Life at Sea (SOLAS) (SOLAS) II-2 chapter D part the 13rd article, boats and ships residential development requires to be designed with two escape routes away from each other.The indoor inclined ladder in residential development is as wherein a kind of main escape route, and frequency of utilization is very high.And the quality of manhole ladder Step design structure, directly can have influence on making and the use of manhole ladder.Existing interior ladder round method for making is following as shown in Figures 1 to 3: first bent by certain angle by the ladder round plate 1 ' of same widths; Secondly the ladder round plate 1 ' after bending is welded on ladder 2 ', welds with welded corner joint between ladder round plate 1 '; The thick deck covering 3 ' of 10mm, plastic floor 4 ' that 2mm is thick is laid again on ladder round plate 1 '; Finally with screw 5 ', tread plate 6 ' is arranged on ladder round plate 1 '.
Using and feeding back through many types of boats and ships, there is some problems and defect when making and use in above-mentioned manhole ladder structure:
(1), higher to making accuracy requirement.First, in manufacturing process, the blanking width of each block ladder round plate 1 ', the position of bending and angle, can not well corner connections between ladder round plate 1 ' if any difference; Secondly, the location of ladder round plate 1 ' on ladder 2 ' slightly deviation, also can have influence on the execution of edge weld between ladder round plate 1 '; Moreover in order to guarantee welding, need there being the ladder round plate 1 ' of precision problem to carry out necessary amendment, this not only can have influence on construction speed, also will increase cost of labor and material cost.
(2), sequence of construction is single.During making, in order to reduce error as far as possible, workman down can only install ladder round plate 1 ' step by step from ladder 2 ' upper end, and efficiency is lower.
(3) damage of deck covering 3 ' and plastic floor 4 ', is easily caused.First, be directly attack on ladder round plate 1 ' with screw 5 ' during installation tread plate 6 ', this is easy to destroy the deck covering 3 ' between tread plate 6 ' and ladder round plate 1 ' and plastic floor 4 '; Secondly, only have deck covering 3 ' and the plastic floor 4 ' of one deck softness therebetween, trample tread plate 6 ' for a long time, the damage of this layer material can be caused; Moreover the repairing in later stage affects construction speed, also labor cost and material cost will be increased.
Summary of the invention
The object of the present invention is to provide a kind of residential development manhole ladder, its structure is simple, easily manufactured, low to the requirement of precision in the fabrication process.
For reaching above-mentioned purpose, the present invention by the following technical solutions:
A kind of residential development manhole ladder is provided, comprise ladder, described ladder is equidistantly provided with the ladder round plate of bending set angle along its length, adjacent described ladder round plate has gap in the horizontal direction, described gap arranges the backing plate being used for gap described in shutoff, one end of described backing plate is welded with ladder round plate described in one of them, and the other end welds with ladder round plate described in another.
As a kind of preferred version of residential development manhole ladder, described ladder round plate comprises the first limit for trampling and is the Second Edge that angle is arranged with described first limit, described in one of them of adjacent described ladder round plate, the Second Edge of ladder round plate protrudes from the upper surface on the first limit of ladder round plate described in another, and the height of the projection of the Second Edge of described ladder round plate is not more than the thickness of described backing plate.
By being arranged in the first limit of adjacent ladder round plate and Second Edge stagger arrangement, when welding with backing is connected on this gap, Second Edge mistake can be utilized to go out the position of weld of the part restriction backing plate on the first limit, and the step that position when eliminating welding is fixing, accelerates installation rate.
As a kind of preferred version of residential development manhole ladder, described first limit is equipped with the deck covering that thickness mates with described plate thickness.
As a kind of preferred version of residential development manhole ladder, described ladder round plate arranges described plastic floor layer, described plastic floor layer covers described deck covering, described backing plate and described Second Edge.
Preferably, the thickness of described plastic floor layer is 1 ~ 3mm.
Be more preferably, the thickness of described plastic floor layer is 2mm.
As a kind of preferred version of residential development manhole ladder, the bending angle of described ladder round plate is 60 ° ~ 90 °.
As a kind of preferred version of residential development manhole ladder, the bending angle of described ladder round plate is 77 °.
As a kind of preferred version of residential development manhole ladder, described gap is 10 ~ 50mm, and the width of described backing plate is greater than the width in described gap, and both differences are not less than 10mm.
As a kind of preferred version of residential development manhole ladder, described gap is 40mm.
Beneficial effect of the present invention: residential development provided by the invention manhole ladder is by being positioned at horizontal direction and leaving gap between adjacent ladder round plate, make between ladder round plate without direct welded corner joint, reduce the accuracy requirement that ladder round plate makes and locates, avoid the later stage modify of the ladder round plate caused because of precision problem, improve efficiency, save cost, and sequence of construction also can be diversified, during making, workman first can identify the position of every grade of ladder round plate on ladder, then many people can be installed by the ladder round plate of diverse location simultaneously, greatly improve efficiency.Contrast prior art, residential development of the present invention manhole ladder method for making is simple to operate, and production efficiency is high, and rework rate is low.
Accompanying drawing explanation
Fig. 1 is the constitution diagram after having welded ladder round plate of the residential development manhole ladder of prior art.
Fig. 2 is the A place enlarged diagram of Fig. 1.
Fig. 3 is the installation constitution diagram of the residential development manhole ladder of prior art.
Fig. 4 is the constitution diagram of residential development manhole ladder after having welded ladder round plate and backing plate described in the embodiment of the present invention.
Fig. 5 is the B place enlarged diagram of Fig. 1.
Fig. 6 is the installation constitution diagram of the residential development manhole ladder of the embodiment of the present invention.
In Fig. 1 to 3:
1 ', ladder round plate; 2 ', ladder; 3 ', deck covering; 4 ', plastic floor; 5 ', screw; 6 ', checkered plate.
In Fig. 4 to 6:
1, ladder; 2, backing plate; 3, first order ladder round plate; 4, second stage ladder round plate; 5, the first limit; 6, Second Edge; 7, deck covering; 8, plastic floor; 9, screw; 10, checkered plate.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
As shown in Figs. 4-6, the embodiment of the present invention provides a kind of residential development manhole ladder, comprise ladder 1, ladder 1 is equidistantly provided with the ladder round plate of bending set angle along its length, adjacent ladder round plate has gap in the horizontal direction, gap arranges the backing plate 2 being used for plugging gap, and one end of backing plate 2 is welded with one of them ladder round plate, and the other end welds with another ladder round plate.
In the present embodiment, length direction along ladder 1 sets gradually at least three grades of ladder round plates such as first order ladder round plate 3, second stage ladder round plate 4 from top to bottom, does the description of following concrete structure for adjacent first order ladder round plate 3 and second stage ladder round plate 4.
The Second Edge 6 that every grade of ladder round plate comprises the first limit 5 for trampling and arranges in angle with the first limit 5, between first limit 5 of first order ladder round plate 3 and the Second Edge 6 of second stage ladder round plate, interval arranges and forms gap, and the Second Edge 6 of second stage ladder round plate protrudes from the upper surface on the first limit 5 of first order ladder round plate 3, the height of the projection of the Second Edge 6 of second stage ladder round plate is not more than the thickness of backing plate 2.By the first limit 5 of adjacent ladder round plate and Second Edge 6 stagger arrangement are arranged, when backing plate 2 is welded on this gap, Second Edge 6 mistake can be utilized to go out the position of weld of the part restriction backing plate 2 on the first limit 5, and the step that position when eliminating welding is fixing, accelerates installation rate.In the present embodiment, the height of the projection of the Second Edge 6 of second stage ladder round plate equals the thickness of backing plate 2.
First limit 5 is equipped with the deck covering 7 of thickness and backing plate 2 thickness matching, ladder round plate is arranged plastic floor layer 8, plastic floor layer 8 coated deck dressing 7, backing plate 2 and Second Edge 6.The thickness of plastic floor layer 8 is 1 ~ 3mm.In the present embodiment, the thickness of plastic floor layer 8 is 2mm.
Arrange L-type checkered plate 10 in the junction of the Second Edge 6 of backing plate 2 and the second ladder round plate 4, the side that checkered plate 10 is connected with backing plate 2 is fixedly connected with backing plate 2 by screw 9.
The bending angle of ladder round plate is 60 ° ~ 90 °, and gap is 10 ~ 50mm, and the width of backing plate 2 is greater than the width in gap, and both differences are not less than 10mm.In the present embodiment, the bending angle of ladder round plate is 77 °, and the width in gap is 40mm, and the width of backing plate 2 is 10mm.
The embodiment of the present invention also provides the method for making of a kind of residential development manhole ladder, comprises the following steps:
Step S100, provide ladder round plate, ladder round plate is pressed set angle bending forming;
Step S200, provide ladder 1, the ladder round plate of bending forming is arranged on ladder 1 along the length direction of ladder is equally spaced, does not connect between adjacent ladder round plate, and leave gap between adjacent two ladder round plates in the horizontal direction;
Step S300, employing backing plate 2 shutoff this gap;
Step S400, on ladder round plate and the side being positioned at backing plate 2 fill and the deck covering 7 of backing plate 2 thickness uniform thickness;
Step S500, on ladder round plate, lay one deck plastic floor 8, this plastic floor 8 all coated deck dressing 7, backing plate 2 and ladder round plate is not provided with the region of deck covering;
Step S600, screw 9 is utilized to fix the checkered plate 10 of one piece of L-type at the connecting corner place of adjacent ladder round plate.
Concrete, by every block ladder round plate according to 77 ° of bending formings, during installation, every block ladder round plate installation site line first can be drawn on ladder 1, many people synchronously according to installation site line, ladder round plate can be installed, ensure that gap is not more than 40mm, then at the backing plate 2 of gap location welding shutoff this gap of adjacent ladder round plate, backing plate 2 adopts thickness to be that 10mm steel plate shearing is shaping, the length of its length and ladder round plate matches, its width is 50mm, then on ladder round plate, the thick deck covering of 10mm 7 is laid, the plastic floor 8 that 2mm is thick, finally with screw 9, checkered plate 10 is arranged on ladder round plate.
The method for making of the residential development manhole ladder of the embodiment of the present invention mainly has the following advantages:
1, due between ladder round plate without direct welded corner joint, reduce ladder round plate and make and the accuracy requirement of location, avoid the later stage modify of the ladder round plate caused because of precision problem, improve efficiency, saved cost;
2, sequence of construction can variation.During making, workman first can identify the position of every grade of ladder round plate on ladder 1, then many people can install the ladder round plate of diverse location simultaneously, drastically increase efficiency;
3, owing to being designed with backing plate 2, make screw 9 to be attacked on this backing plate 2 when checkered plate 10 is installed, the destruction of deck covering 7 and plastic floor 8 can not be caused, also damage minimum even if trample checkered plate 10 for a long time, avoid the impact of construction speed and the loss of material.
In description of the invention, it is to be appreciated that term " first ", " second ", only for being distinguished in description, not special implication.
It is to be understood that; above-mentioned detailed description of the invention is only preferred embodiment of the present invention and institute's application technology principle; in technical scope disclosed in this invention, the change that any those skilled in the art of being familiar with easily expect or replacement, all should be encompassed in protection scope of the present invention.
Claims (8)
1. a residential development manhole ladder, it is characterized in that, comprise ladder, described ladder is equidistantly provided with the ladder round plate of bending set angle along its length, adjacent described ladder round plate has gap in the horizontal direction, described gap arranges the backing plate being used for gap described in shutoff, and one end of described backing plate is welded with ladder round plate described in one of them, and the other end welds with ladder round plate described in another.
2. residential development according to claim 1 manhole ladder, it is characterized in that, described ladder round plate comprises the first limit for trampling and is the Second Edge that angle is arranged with described first limit, described in one of them of adjacent described ladder round plate, the Second Edge of ladder round plate protrudes from the upper surface on the first limit of ladder round plate described in another, and the height of the projection of the Second Edge of described ladder round plate is not more than the thickness of described backing plate.
3. residential development according to claim 2 manhole ladder, is characterized in that, described first limit is equipped with the deck covering that thickness mates with described plate thickness.
4. residential development according to claim 3 manhole ladder, is characterized in that, described ladder round plate arranges described plastic floor layer, and described plastic floor layer covers described deck covering, described backing plate and described Second Edge.
5. the residential development manhole ladder according to any one of Claims 1-4, is characterized in that, the bending angle of described ladder round plate is 60 ° ~ 90 °.
6. residential development according to claim 5 manhole ladder, is characterized in that, the bending angle of described ladder round plate is 77 °.
7. the residential development manhole ladder according to any one of Claims 1-4, is characterized in that, described gap is 10 ~ 50mm, and the width of described backing plate is greater than the width in described gap, and both differences are not less than 10mm.
8. residential development according to claim 7 manhole ladder, is characterized in that, described gap is 40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510964890.2A CN105501400B (en) | 2015-12-18 | 2015-12-18 | A kind of residential area manhole ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510964890.2A CN105501400B (en) | 2015-12-18 | 2015-12-18 | A kind of residential area manhole ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105501400A true CN105501400A (en) | 2016-04-20 |
| CN105501400B CN105501400B (en) | 2017-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510964890.2A Active CN105501400B (en) | 2015-12-18 | 2015-12-18 | A kind of residential area manhole ladder |
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| Country | Link |
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| CN (1) | CN105501400B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111891298A (en) * | 2020-06-28 | 2020-11-06 | 中船澄西船舶修造有限公司 | Indoor main ladder for meeting ship A-level fireproof deck separation |
| CN112249239A (en) * | 2020-09-25 | 2021-01-22 | 中船澄西船舶修造有限公司 | Ship centralized control room ladder way arrangement structure fully utilizing limited space |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2729199Y (en) * | 2004-08-18 | 2005-09-28 | 林华勋 | Splicing structure of antiskid sheet for step |
| US20070028534A1 (en) * | 2005-08-04 | 2007-02-08 | Defehr Andrew A | Preassembled stair tread member |
| CN101889122A (en) * | 2007-12-05 | 2010-11-17 | 智能工程(巴哈马)有限公司 | Structural member and a stepped structure |
| CN202577941U (en) * | 2012-05-14 | 2012-12-05 | 江苏南通二建集团有限公司 | Portable cat ladder for scaffoldings |
| CN202879752U (en) * | 2012-11-01 | 2013-04-17 | 福建省马尾造船股份有限公司 | Anti-slipping structure of ship stairway |
| WO2015027293A1 (en) * | 2013-08-28 | 2015-03-05 | Quicksmart Stairs International Pty Ltd | A stair case |
| CN204609156U (en) * | 2015-04-30 | 2015-09-02 | 李龙漳 | A kind of stair facing lath |
-
2015
- 2015-12-18 CN CN201510964890.2A patent/CN105501400B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2729199Y (en) * | 2004-08-18 | 2005-09-28 | 林华勋 | Splicing structure of antiskid sheet for step |
| US20070028534A1 (en) * | 2005-08-04 | 2007-02-08 | Defehr Andrew A | Preassembled stair tread member |
| CN101889122A (en) * | 2007-12-05 | 2010-11-17 | 智能工程(巴哈马)有限公司 | Structural member and a stepped structure |
| CN202577941U (en) * | 2012-05-14 | 2012-12-05 | 江苏南通二建集团有限公司 | Portable cat ladder for scaffoldings |
| CN202879752U (en) * | 2012-11-01 | 2013-04-17 | 福建省马尾造船股份有限公司 | Anti-slipping structure of ship stairway |
| WO2015027293A1 (en) * | 2013-08-28 | 2015-03-05 | Quicksmart Stairs International Pty Ltd | A stair case |
| CN204609156U (en) * | 2015-04-30 | 2015-09-02 | 李龙漳 | A kind of stair facing lath |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111891298A (en) * | 2020-06-28 | 2020-11-06 | 中船澄西船舶修造有限公司 | Indoor main ladder for meeting ship A-level fireproof deck separation |
| CN111891298B (en) * | 2020-06-28 | 2021-08-17 | 中船澄西船舶修造有限公司 | Indoor main ladder for meeting ship A-level fireproof deck separation |
| CN112249239A (en) * | 2020-09-25 | 2021-01-22 | 中船澄西船舶修造有限公司 | Ship centralized control room ladder way arrangement structure fully utilizing limited space |
| CN112249239B (en) * | 2020-09-25 | 2021-09-28 | 中船澄西船舶修造有限公司 | Ship centralized control room ladder way arrangement structure fully utilizing limited space |
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| Publication number | Publication date |
|---|---|
| CN105501400B (en) | 2017-10-24 |
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