CN102476699B - Detachable-step thin lower inclined surface ladder stand - Google Patents
Detachable-step thin lower inclined surface ladder stand Download PDFInfo
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- CN102476699B CN102476699B CN201010562695.4A CN201010562695A CN102476699B CN 102476699 B CN102476699 B CN 102476699B CN 201010562695 A CN201010562695 A CN 201010562695A CN 102476699 B CN102476699 B CN 102476699B
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- inclined surface
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- lower inclined
- substrate
- ladder stand
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Abstract
The invention discloses a detachable-step thin lower inclined surface ladder stand, which comprises isosceles triangle-shaped steps (4) and a substrate (5), wherein splicing edges (6) which are long on upper parts and short on lower parts extend out of a common boundary between a bottom edge and two waists respectively; slots are formed at intervals on the substrate (5); the steps are spliced into two adjacent slots through the splicing edges respectively; moreover, the upper end of the substrate (5) is bent in an arc form, and is suspended on a transverse rod (2); and the two ends of the transverse rod (2) are provided with connecting structures for connecting steel walls of an inclined surface of a cabin. The detachable-step thin lower inclined surface ladder stand is taken as a special installation tool for wooden boxes and invar components of lower inclined surfaces of NO96 goods maintenance systems. Each step can be arranged and detached freely according to construction requirements without influencing the calibration and verification work in the installation process of a 1B wooden box. The detachable-step thin lower inclined surface ladder stand has the characteristics of simple structure, convenience for using, high construction efficiency and low manufacturing cost.
Description
Technical field
The present invention relates to a kind of construction cat ladder, more particularly, relate to the special ladder that in shipbuilding process, goods maintenance system lower inclined plane wooden case and invar parts are installed.
Background technology
For NO96 type LNG liquid goods maintenance system, when installing the lateral angle 1B wooden case of lower inclined plane, existing ladder general thickness is thicker on the market, gap between regulation mould plate and lower inclined plane steel wall is generally less than 4mm, therefore cannot calibrate wooden case and check in lower inclined plane wooden case installation process, but workmen must install by ladder again, inspection.This just makes must pull down ladder during inspection, otherwise excessive clearance, cannot detect.Workmen must seek connections with by the object of surrounding, has both been inconvenient to check, has also there is potential safety hazard.
Summary of the invention
The present invention mainly installs 1B wooden case for meeting NO96 type LNG liquid goods maintenance system in lateral angle lower inclined plane region, Installation And Calibration, the inspection work of 1B wooden case can be carried out when not moving whole ladder simultaneously, thus a kind of Detachable-step thin lower inclined surface ladder stand is provided.
In order to achieve the above object, the invention provides a kind of Detachable-step thin lower inclined surface ladder stand, comprise marking time of step arrangement.Marking time is the equicrural triangle of three pieces of board material splices, and base sheet material extends at the intersection with two back materials the grafting edge that one is long and the other is short respectively.Cat ladder also comprises long rectangle cat ladder substrate, and the longitudinal interval of described substrate is laterally fixed with slot board, and described substrate and slot board be arranged in parallel, forms flat cell body therebetween.Marking time of each ladder is plugged in two adjacent cell bodies by long and short plug side edge respectively; Wherein, described long splice edge is positioned at top, and short splice edge is positioned at below.
In addition, the upper end of substrate curves arcuation, is mounted on a cross bar; Described cross bar two ends arrange the connection structure for connecting cabin inclined-plane steel wall.
Under optimal way, the thickness of substrate is 2 millimeters, and this thickness both ensure that the dimensional characteristic in use, can ensure the intensity of cat ladder simultaneously, reach with the requirement of least cost practical function, have the advantages that cost performance is high.
And the above-mentioned connection structure for connecting cabin inclined-plane steel wall comprises the link of mounting cross bar, the flat part of described link upper end is riveted or is secured by bolts on cabin inclined-plane steel wall or is directly connected in unitor base.Wherein, unitor base is the intrinsic part in shipbuilding process, by utilizing this inherent structure, facilitates the setting of cat ladder, without the need to arranging fixed sturcture or connection structure again on bulkhead.
Detachable-step thin lower inclined surface ladder stand of the present invention utilizes single detouchable inclined-plane cat ladder of marking time, and carries out the wooden case of NO96 type goods maintenance system lower inclined plane and the instrument of invar parts installation.Wherein, the substrate of inclined-plane cat ladder has 1 slot every a segment distance, mark time have up and down one dark go out " edge ", upper and lower " edge " of marking time can be inserted in the slot on substrate and be fixed on substrate to make to mark time.Each marking time can need free Assembly &Disassembly according to construction.Disassembling the substrate portion thicknesses after marking time very thin (only having 2mm), can not have influence on the calibration and Checkout work in 1B wooden case installation process, and substrate can be suspended on the unitor base of NO.96 type LNG ship freight house lower inclined plane by the suspension gear on top.The present invention has that structure is simple, easy to use, operating efficiency is high, the feature of low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is the surface structure schematic diagram of Detachable-step thin lower inclined surface ladder stand;
Fig. 2 is the side-looking structural representation of the cat ladder of inclined-plane shown in Fig. 1;
Fig. 3 is the structure for amplifying schematic diagram at C place in Fig. 2;
Fig. 4 is tread structure schematic diagram in Fig. 2;
Fig. 5 is the using state of Detachable-step thin lower inclined surface ladder stand;
Fig. 6 be in Fig. 5 A-A to sectional structure schematic diagram;
Fig. 7 is B place structure for amplifying schematic diagram in Fig. 5;
Fig. 8 is D place structure for amplifying schematic diagram in Fig. 6;
Fig. 9 dismantles the view of marking time;
Figure 10 installs the view of marking time.
Detailed description of the invention
As shown in Figure 1, 2, Detachable-step thin lower inclined surface ladder stand of the present invention, what comprise step arrangement marks time 4, and long rectangle cat ladder substrate 5.Under optimal way, the thickness of substrate is 2 millimeters.The longitudinal interval of substrate 5 is laterally fixed with slot board, and substrate 5 and slot board be arranged in parallel, forms flat cell body 3 therebetween.
As shown in Figure 4, marking time 4 is the equicrural triangle of three pieces of board material splices, grafting edge 6 short under base 22 is long on the intersection with two waists 21 extends respectively.
As shown in Figure 3, marking time of each ladder 4 is plugged in two adjacent cell bodies 3 respectively by upper and lower grafting edge 6.As shown in Figures 9 and 10, the dismounting of marking time and installation process.In Fig. 9, realize marking time dismounting by realizing the action shown in a, b successively.And in Figure 10, realize marking time installation by realizing the action shown in c, d successively.
In addition, as illustrated in fig. 1 and 2, the upper end of substrate 5 curves arcuation, and is mounted on a cross bar 2.Cross bar 2 two ends arrange the connection structure for connecting cabin inclined-plane steel wall.Under optimal way, this connection structure comprises the link 1 of mounting cross bar 2, and the flat part of link upper end is riveted or is secured by bolts on cabin inclined-plane steel wall or is directly connected in unitor base 11.
As viewed in figures 5-8, Detachable-step thin lower inclined surface ladder stand of the present invention, is mainly used in 1B wooden case on lateral angle lower inclined plane and installs.Before the wooden case installing lower inclined plane, on the welding screw base first utilizing cross bar and suspension ring to be fixed on by the base plate of cat ladder near construction area, then plug on base plate as required and mark time, mark time and install from lower to upper.When installation is marked time, first inserted in the slot on top by upper limb of marking time as far as possible dark, allowing marks time is fitted on substrate, then makes lower edge be slipped to and marks time in the slot of below, then marking time to holding out against lower slots to pressing down, being namely in place.After workmen completes preliminary erection work on marking time, as needs carry out measuring and adjustation to wooden case, after determining the position of template detection, pull down marking time on correspondence position again, when dismounting is marked time, be also first will mark time along substrate upwards to exert oneself, make to mark time and upwards run until slot is exposed on lower edge of marking time along substrate, outwards move in vertical substrate direction and mark time, then just can carry out measuring and adjustation work.In Fig. 5-8, label 7 represents bottom surface bulkhead, and label 8 represents inspection template, and label 9 represents steel wall, and label 10 represents lower inclined plane bulkhead, and label 11 represents unitor base, and label 5A, 6A, 7B, 8B, 9B, 1B represent wooden case or insulated case respectively.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (4)
1. a Detachable-step thin lower inclined surface ladder stand, comprise mark time (4) of step arrangement, it is characterized in that, described mark time (4) are the equicrural triangle of three pieces of board material splices, and base sheet material (22) extends a long splice edge and a short splice edge respectively at the intersection with two back materials (21);
Described cat ladder also comprises long rectangle cat ladder substrate (5), in the longitudinal direction of described substrate (5), interval is laterally fixed with slot board, described substrate (5) and slot board be arranged in parallel, form flat cell body (3) therebetween;
Mark time described in each ladder (4) be plugged in two adjacent described cell bodies (3) respectively by described long splice edge and described short splice edge; Wherein, described long splice edge (6) is positioned at top, and short splice edge (6) are positioned at below.
2. Detachable-step thin lower inclined surface ladder stand according to claim 1, it is characterized in that, the upper end of described substrate (5) curves arcuation, and is mounted on a cross bar (2); Described cross bar (2) two ends arrange the connection structure for connecting cabin inclined-plane steel wall.
3. Detachable-step thin lower inclined surface ladder stand according to claim 2, it is characterized in that, the described connection structure for connecting cabin inclined-plane steel wall comprises the link (1) of the described cross bar of mounting (2), and the flat part of described link upper end is riveted or is secured by bolts on cabin inclined-plane steel wall or is directly connected in unitor base (11).
4. Detachable-step thin lower inclined surface ladder stand according to claim 1 or 2, is characterized in that, the thickness of described substrate is 2 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010562695.4A CN102476699B (en) | 2010-11-26 | 2010-11-26 | Detachable-step thin lower inclined surface ladder stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010562695.4A CN102476699B (en) | 2010-11-26 | 2010-11-26 | Detachable-step thin lower inclined surface ladder stand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102476699A CN102476699A (en) | 2012-05-30 |
| CN102476699B true CN102476699B (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010562695.4A Active CN102476699B (en) | 2010-11-26 | 2010-11-26 | Detachable-step thin lower inclined surface ladder stand |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104787255A (en) * | 2015-03-23 | 2015-07-22 | 刘波 | Ladder frame for ship cabin |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2530014Y (en) * | 2001-10-30 | 2003-01-08 | 张国益 | Single-column garden ladder |
| CN101761245A (en) * | 2010-02-05 | 2010-06-30 | 湖南长大建设集团股份有限公司 | Assembled portable ladder for building construction layer |
| CN101787803A (en) * | 2010-02-05 | 2010-07-28 | 湖南长大建设集团股份有限公司 | Folding portable ladder used for building construction operation layer |
| CN101870338A (en) * | 2010-06-21 | 2010-10-27 | 大连船舶重工集团舵轴有限公司 | Inclined ladder for ship |
| CN201883925U (en) * | 2010-11-26 | 2011-06-29 | 大连船舶重工集团有限公司 | Thin cat ladder with detachable steps and lower slants |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4037402B2 (en) * | 2004-11-18 | 2008-01-23 | アルインコ株式会社 | Joining structure of strut and pedestal in stepladder etc. |
-
2010
- 2010-11-26 CN CN201010562695.4A patent/CN102476699B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2530014Y (en) * | 2001-10-30 | 2003-01-08 | 张国益 | Single-column garden ladder |
| CN101761245A (en) * | 2010-02-05 | 2010-06-30 | 湖南长大建设集团股份有限公司 | Assembled portable ladder for building construction layer |
| CN101787803A (en) * | 2010-02-05 | 2010-07-28 | 湖南长大建设集团股份有限公司 | Folding portable ladder used for building construction operation layer |
| CN101870338A (en) * | 2010-06-21 | 2010-10-27 | 大连船舶重工集团舵轴有限公司 | Inclined ladder for ship |
| CN201883925U (en) * | 2010-11-26 | 2011-06-29 | 大连船舶重工集团有限公司 | Thin cat ladder with detachable steps and lower slants |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102476699A (en) | 2012-05-30 |
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