CN205135387U - Portable ladder suitable for large -scale ore sand ship - Google Patents
Portable ladder suitable for large -scale ore sand ship Download PDFInfo
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- CN205135387U CN205135387U CN201520758091.5U CN201520758091U CN205135387U CN 205135387 U CN205135387 U CN 205135387U CN 201520758091 U CN201520758091 U CN 201520758091U CN 205135387 U CN205135387 U CN 205135387U
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- portable ladder
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Abstract
The utility model relates to a portable ladder suitable for large -scale ore sand ship, include ladder (1) and rigid coupling step (2) between ladder, ladder's top has set firmly gib head (3), ladder's bottom articulates has platform (4). The width of platform is greater than two distances between the ladder. The platform also can be for controlling two, and the correspondence hinges the bottom at two ladder. The utility model discloses certainly, take the platform at the ladder lower extreme, the during operation puts down the platform, and the staff of being convenient for stops over and tramples, packs up turning over on the platform when not needing. Both can fix the effect of playing fixed portable ladder on hull structure's section bar with the platform, the platform that can regard as personnel to climb again, convenient to use does not just increase manufacturing cost, no matter the structure of hull how, can all the personnel of realizing go up the descending stair smoothly. It perhaps leads to drawbacks such as construction trouble for the increase hull weight that two kinds of solution method leaded to that increase platform area adopted to have overcome prior art.
Description
Technical field
The utility model relates to portable ladder peculiar to vessel, specifically refers to, a kind of portable ladder being applicable to large-scale ore carrier.
Background technology
The ballast tank of large-scale ore carrier is usually larger, uses when portable ladder inspection and does not often have suitable platform to be used for supporting ladder lower end, and have to check that platform is taken in position at each, not only construction is got up pretty troublesome, and also result in certain waste for this reason.
For the wing tank structure of the ore carrier shown in Fig. 1, platform (the arrow indication place) narrower in width of Ship Structure, and width is consistent up and down, staff is difficult to set foot on portable ladder by this platform, therefore portable ladder cannot be used with existing structure, even if one deck platform place hook fixes the gib head on portable ladder ladder top above, ladder lower end still cannot be fixed on lower floor's platform, and at this moment the use angle of ladder is more than 90 degree, that is ladder is in the state tilted laterally, cannot ensure the safety of user at all.
In order to address this problem, prior art has two kinds of approach: the first requires that Ship Structure considers the service condition of portable ladder in advance, the lower floor's platform being used for fixing portable ladder is done wide doing greatly, but can bring the increase of light weight like this, and increase steel for ship structure amount, uneconomical.It two is use the platform place of lower floor of portable ladder to add chain-wales throughout, and be used for fixing portable ladder, in Fig. 2, arrow indication part is the chain-wales of increase.But because fabrication stage of outfititem will be later than Ship Structure, when waiting outfititem to go on board to freeze, the paint of Ship Structure will be destroyed.Present specification has PSPC requirement to ballast tank, and the coating duty amount that welding, repairing destroy is large and loaded down with trivial details, can cause a large amount of doing over again, and incurs loss through delay shipbuilding period, and therefore visible the method is also uneconomical.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of portable ladder being applicable to large-scale ore carrier, is convenient to staff and goes up descending stair smoothly and need not change Ship Structure or increase hull weight.
The technical scheme that the utility model solves the problem is as follows:
Be applicable to a portable ladder for large-scale ore carrier, the top comprising cleat stanchion and be fixed in cleat stanchion described in the step between cleat stanchion is installed with gib head, it is characterized in that:
The bottom-hinged of described cleat stanchion has platform.
Further, in order to alleviate the weight of platform, described platform is two, left and right, and correspondence is hinged on the bottom of two cleat stanchions.
Further, the width of described platform is greater than the distance between two cleat stanchions.
Compared with prior art, the beneficial effects of the utility model are:
The utility model carries platform in cleat stanchion lower end, is put down by platform during work, is convenient to staff and stops over and trample, pack up when not needing by platform turns over.The section bar that both platform can be fixed on Ship Structure plays the effect of fixing portable ladder, the platform can climbed as personnel again, easy to use and do not increase manufacturing cost, no matter the structure of hull, the personnel that can realize go up descending stair smoothly.Overcome prior art for increasing platform area and increase hull weight that two kinds of solutions adopting cause or cause the drawbacks such as construction trouble.
Accompanying drawing explanation
Fig. 1 is the limit chamber structure schematic diagram of existing ore carrier.
Fig. 2 is the structural representation (Fig. 1 overlooks direction) of platform other increase chain-wales in FIG.
Fig. 3 is structural representation of the present utility model.
Fig. 4 is the lateral view of Fig. 3.
In figure: 1, cleat stanchion; 2, step; 3, gib head; 4, platform.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail; the restriction of described embodiment not to utility model protection scope; obviously; those of ordinary skill in the art are not needing to obtain other embodiments under the prerequisite paying creative work, and these all belong to protection domain of the present utility model.
Shown in composition graphs 3 and Fig. 4, a kind of portable ladder being applicable to large-scale ore carrier, comprise cleat stanchion 1 and be fixed in the step 2 between cleat stanchion, the top of described cleat stanchion is installed with gib head 3, and the bottom-hinged of described cleat stanchion has platform 4.The width of described platform is greater than the distance between two cleat stanchions.
In order to alleviate the weight of platform, described platform can be designed as two, left and right, and correspondence is hinged on the bottom of two cleat stanchions.
The utility model carries platform in cleat stanchion lower end, during work, platform is put down, be convenient to staff stop over and trample, pack up platform turns over when not needing, the section bar that both platform can be fixed on Ship Structure plays the effect of fixing portable ladder, the platform can climbed as personnel again, easy to use and do not increase manufacturing cost, no matter the structure of hull, the personnel that can realize go up descending stair smoothly.Overcome prior art for increasing platform area and increase hull weight that two kinds of solutions adopting cause or cause the drawbacks such as construction trouble.
Claims (3)
1. be applicable to a portable ladder for large-scale ore carrier, comprise cleat stanchion (1) and be fixed in the step (2) between cleat stanchion, the top of described cleat stanchion is installed with gib head (3), it is characterized in that:
The bottom-hinged of described cleat stanchion has platform (4).
2. the portable ladder being applicable to large-scale ore carrier according to claim 1, is characterized in that:
Described platform is two, left and right, and correspondence is hinged on the bottom of two cleat stanchions.
3. the portable ladder being applicable to large-scale ore carrier according to claim 1, is characterized in that:
The width of described platform is greater than the distance between two cleat stanchions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520758091.5U CN205135387U (en) | 2015-09-28 | 2015-09-28 | Portable ladder suitable for large -scale ore sand ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520758091.5U CN205135387U (en) | 2015-09-28 | 2015-09-28 | Portable ladder suitable for large -scale ore sand ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205135387U true CN205135387U (en) | 2016-04-06 |
Family
ID=55621194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520758091.5U Active CN205135387U (en) | 2015-09-28 | 2015-09-28 | Portable ladder suitable for large -scale ore sand ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205135387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113971A (en) * | 2015-09-28 | 2015-12-02 | 上海船舶研究设计院 | Portable ladder suitable for large ore carrier |
-
2015
- 2015-09-28 CN CN201520758091.5U patent/CN205135387U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113971A (en) * | 2015-09-28 | 2015-12-02 | 上海船舶研究设计院 | Portable ladder suitable for large ore carrier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |