CN105059520A - Inspection hole device used for underwater inspection of ship - Google Patents
Inspection hole device used for underwater inspection of ship Download PDFInfo
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- CN105059520A CN105059520A CN201510502342.8A CN201510502342A CN105059520A CN 105059520 A CN105059520 A CN 105059520A CN 201510502342 A CN201510502342 A CN 201510502342A CN 105059520 A CN105059520 A CN 105059520A
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- test hole
- cover plate
- annular gland
- boats
- ships
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Abstract
The invention relates to an inspection hole device used for underwater inspection of a ship. The device comprises an inspection hole base (1a) which is fixedly connected to a rudder blade outer plate (5) and is of a hollow structure, an annular gland (1b) is installed at the top end of the inspection hole base, a flat plate transparent object (1e) isolating the annular gland from the inspection hole base is embedded between the annular gland and the inspection hole base, and a cover plate (1d) is fixedly connected to the top end of the annular gland. The flat plate transparent object is made of tempered glass or press-resistant glass. The upper end face of the cover plate is flush with the rudder blade outer plate. In the underwater inspection process, the inspection hole device can effectively prevent seawater from entering a watertight space, the service life of a hydraulic nut is prolonged, the hidden hazard that a rudderstock and a rudder pintle are corroded by the seawater is avoided, and maintenance cost is reduced. Besides, the inspection hole device is low in cost, convenient to operate and easy to use and popularize in the industry.
Description
Technical field
The present invention relates to the device for checking rudder stock and rudder pintle place hydraulic efficiency nut or plain nut whether to loosen, specifically referring to, a kind of test hole device for boats and ships in-water survey.
Background technology
In current classification society rule, boats and ships in-water survey is attached great importance to, and be proposed specific requirement.With regard to rudder system, except the axle sleeve divided except axle pastern and sleeve clearances are checked, emphasis is needed to check rudder stock and rudder pintle place hydraulic efficiency nut or plain nut (hereinafter referred to as nut) whether to loosen.The common practice of this inspection is the inspection door by being arranged on rudder blade outside plate, observe the vertical bend pipe be arranged on nut, if this bend pipe is just to inspection door center, nut does not loosen not have displacement then can judge, otherwise judges the loosening situation of nut according to its misalignment.Because inspection door is positioned under water, prior art is used for the form that the inspection door of this inspection normally adopts waterproof plug, its inspection principle is shown in shown in Fig. 1 and Fig. 2, when carrying out in-water survey, the screwed out part of water drain cock special wrench set is screwed out, and then observe the displacement situation of check mark, the watertight space that seawater will inevitably be caused after this operation to enter Fig. 1 indicate, nut is caused to be in the hybird environment of seawater and air, this environment will speed up the corrosion of hydraulic efficiency nut or even rudder stock and rudder pintle, bring boats and ships to use hidden danger, and directly cause economic loss.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of test hole device for boats and ships in-water survey, and seawater can be avoided when carrying out in-water survey operation to enter watertight space.
The present invention solves the problem technical scheme is as follows:
For a test hole device for boats and ships in-water survey, comprise the test hole base be fixed on rudder blade outside plate, it is characterized in that:
Described test hole base is hollow structure, and the top of test hole base is provided with annular gland, and be embedded the dull and stereotyped transparency that both obstructs are mutually through between described annular gland and test hole base, the top of described annular gland is connected with cover plate.
As further improvement, in order to meet the Streamline Design requirement of rudder blade outside plate, the upper surface of described cover plate is mutually concordant with rudder blade outside plate.
Further, in order to strengthen leak tightness, between described dull and stereotyped transparency and annular gland and test hole base, packing seal is installed.
Preferably, be connected by screw between described gland and test hole base, described screw distributes along the annulus uniform intervals of gland.
Preferably, described cover plate is circular, and be connected by screw between cover plate and annular gland, described screw distributes along the periphery uniform intervals of cover plate.
Described dull and stereotyped transparency preferably adopts case hardened glass or withstand voltage glass.
In order to further facilitate observation, the material of described cover plate is transparent material.
Principle of work of the present invention is, when in-water survey will be carried out, as long as the screw on cover plate is unloaded, namely observe check mark (bend pipe) by dull and stereotyped transparency and whether be shifted, because seawater is isolated from the outside by dull and stereotyped transparency, avoid seawater and enter in seal cavity.Both met the requirement of conventional subsea inspection, the water tightness of nut surrounding environment can have been ensured again.
Compared with prior art, beneficial effect of the present invention is:
Under water in checkout procedure, the present invention effectively stops seawater to enter watertight space, extends the service life of hydraulic efficiency nut, and avoids rudder stock and rudder pintle by the hidden danger of marine corrosion, reduces maintenance cost.In addition, cost of the present invention is lower, easy to operate, is beneficial to and in industry applies.
Accompanying drawing explanation
Fig. 1 is the scheme of installation of existing test hole waterproof plug.
Fig. 2 is the structural representation of existing test hole waterproof plug.
Fig. 3 is structural representation of the present invention.
Fig. 4 is the birds-eye view of Fig. 3.
Fig. 5 is installation of the present invention application schematic diagram.
In figure: 1, test hole; 1a, test hole base; 1b, annular gland; 1c, screw; 1d, cover plate; 1e, dull and stereotyped transparency; 1f, packing seal; 2, bend pipe; 3, hydraulic efficiency nut; 4, rudder stock (rudder pintle); 5, rudder blade outside plate; 6, watertight space;
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail; the restriction of described embodiment not to invention protection domain; 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 scope of the present invention.
Shown in composition graphs 3 and Fig. 4, a kind of test hole device for boats and ships in-water survey, comprise the test hole base 1a be fixed on rudder blade outside plate 5, described test hole base is hollow structure, the top of test hole base is provided with annular gland 1b, be embedded the dull and stereotyped transparency 1e that both obstructs are mutually through between described annular gland and test hole base, described dull and stereotyped transparency is preferably case hardened glass or withstand voltage glass.Between described dull and stereotyped transparency and annular gland and test hole base, packing seal 1f is installed.
The top of described annular gland is connected with cover plate 1d.Described cover plate also can adopt transparent material to make, and need not unload lower cover like this and just can carry out in-water survey observation.
In order to meet the Streamline Design requirement of rudder blade outside plate, the upper surface of described cover plate is mutually concordant with rudder blade outside plate.
Be connected by screw 1c between described gland with test hole base, described screw distributes along the annulus uniform intervals of gland.Described cover plate is circular, and be connected by screw 1c between cover plate with annular gland, described screw distributes along the periphery uniform intervals of cover plate.
Principle of work of the present invention is, when in-water survey will be carried out, as long as the screw on cover plate is unloaded, namely whether be shifted by dull and stereotyped transparency sensing check mark (bend pipe), because seawater is isolated from the outside by dull and stereotyped transparency, avoid seawater and enter in seal cavity.Both met the requirement of conventional subsea inspection, the water tightness of nut surrounding environment can have been ensured again.
Claims (7)
1., for a test hole device for boats and ships in-water survey, comprise the test hole base (1a) be fixed on rudder blade outside plate (5), it is characterized in that:
Described test hole base is hollow structure, the top of test hole base is provided with annular gland (1b), be embedded the dull and stereotyped transparency (1e) that both obstructs are mutually through between described annular gland and test hole base, the top of described annular gland is connected with cover plate (1d).
2. the test hole device for boats and ships in-water survey according to claim 1, is characterized in that:
The upper surface of described cover plate is mutually concordant with rudder blade outside plate.
3. the test hole device for boats and ships in-water survey according to claim 1, is characterized in that:
Between described dull and stereotyped transparency and annular gland and test hole base, packing seal (1f) is installed.
4. the test hole device for boats and ships in-water survey according to claim 1, is characterized in that:
Be connected by screw (1c) between described gland with test hole base, described screw distributes along the anchor ring uniform intervals of gland.
5. the test hole device for boats and ships in-water survey according to claim 1, is characterized in that:
Described cover plate is circular, and be connected by screw (1c) between cover plate with annular gland, described screw distributes along the periphery uniform intervals of cover plate.
6. the test hole device for boats and ships in-water survey according to claim 1, is characterized in that:
Described dull and stereotyped transparency is case hardened glass or withstand voltage glass.
7. the test hole device for boats and ships in-water survey according to claim 1, is characterized in that:
The material of described cover plate is transparent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510502342.8A CN105059520A (en) | 2015-08-17 | 2015-08-17 | Inspection hole device used for underwater inspection of ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510502342.8A CN105059520A (en) | 2015-08-17 | 2015-08-17 | Inspection hole device used for underwater inspection of ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105059520A true CN105059520A (en) | 2015-11-18 |
Family
ID=54489119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510502342.8A Pending CN105059520A (en) | 2015-08-17 | 2015-08-17 | Inspection hole device used for underwater inspection of ship |
Country Status (1)
| Country | Link |
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| CN (1) | CN105059520A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109263804A (en) * | 2018-09-30 | 2019-01-25 | 广船国际有限公司 | A kind of ship underwater observation structure |
| CN110498029A (en) * | 2019-09-04 | 2019-11-26 | 中船黄埔文冲船舶有限公司 | A kind of rudder blade structure |
| CN112208729A (en) * | 2020-10-23 | 2021-01-12 | 中船黄埔文冲船舶有限公司 | Detection method of fully-suspended twisted rudder blade |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5975899A (en) * | 1982-10-23 | 1984-04-28 | Nippon Kokan Kk <Nkk> | Method of examining loosening of sleeve with bottom of rudder of ship |
| JP2003212188A (en) * | 2002-01-18 | 2003-07-30 | Mitsubishi Heavy Ind Ltd | Inspection device for shaft part in rudder for boat |
| KR20100136590A (en) * | 2009-06-19 | 2010-12-29 | 대우조선해양 주식회사 | Inspection method for rudder bearing performance in ship |
| CN201834205U (en) * | 2010-09-30 | 2011-05-18 | 江苏新扬子造船有限公司 | Connecting structure for rudder blade inspection hole cover |
| CN204021200U (en) * | 2014-05-26 | 2014-12-17 | 扬帆集团股份有限公司 | View plug under a kind of marine water |
| CN204895834U (en) * | 2015-08-17 | 2015-12-23 | 上海船舶研究设计院 | A gauged orifice device for boats and ships are inspectd under water |
-
2015
- 2015-08-17 CN CN201510502342.8A patent/CN105059520A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5975899A (en) * | 1982-10-23 | 1984-04-28 | Nippon Kokan Kk <Nkk> | Method of examining loosening of sleeve with bottom of rudder of ship |
| JP2003212188A (en) * | 2002-01-18 | 2003-07-30 | Mitsubishi Heavy Ind Ltd | Inspection device for shaft part in rudder for boat |
| KR20100136590A (en) * | 2009-06-19 | 2010-12-29 | 대우조선해양 주식회사 | Inspection method for rudder bearing performance in ship |
| CN201834205U (en) * | 2010-09-30 | 2011-05-18 | 江苏新扬子造船有限公司 | Connecting structure for rudder blade inspection hole cover |
| CN204021200U (en) * | 2014-05-26 | 2014-12-17 | 扬帆集团股份有限公司 | View plug under a kind of marine water |
| CN204895834U (en) * | 2015-08-17 | 2015-12-23 | 上海船舶研究设计院 | A gauged orifice device for boats and ships are inspectd under water |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109263804A (en) * | 2018-09-30 | 2019-01-25 | 广船国际有限公司 | A kind of ship underwater observation structure |
| CN110498029A (en) * | 2019-09-04 | 2019-11-26 | 中船黄埔文冲船舶有限公司 | A kind of rudder blade structure |
| CN112208729A (en) * | 2020-10-23 | 2021-01-12 | 中船黄埔文冲船舶有限公司 | Detection method of fully-suspended twisted rudder blade |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151118 |