CN103743531A - Airtightness tool for pipe system cabin penetrating member and method for mounting airtightness tool - Google Patents
Airtightness tool for pipe system cabin penetrating member and method for mounting airtightness tool Download PDFInfo
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- CN103743531A CN103743531A CN201310729033.5A CN201310729033A CN103743531A CN 103743531 A CN103743531 A CN 103743531A CN 201310729033 A CN201310729033 A CN 201310729033A CN 103743531 A CN103743531 A CN 103743531A
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- housing
- coaming plate
- plate
- airtightness
- filler rod
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Abstract
The invention relates to an airtightness tool for a pipe system cabin penetrating member. The airtightness tool comprises a housing and a transparent plastic cloth, a bottom plate is arranged on a bottom outer wall of the housing, sponge rubber rings surround an outer part of the bottom plate, a first seat plate and a second seat plate are arranged on a housing wall and are used for being connected with an air gauge pipe and a vacuum-pumping pipe respectively, the housing consists of an inner layer surrounding plate, a middle layer surrounding plate and an outer layer surrounding plate, and the middle layer surrounding plate of an upper end part of the housing is lower than the inner layer surrounding plate and the outer layer surrounding plate, so that an embedding groove is formed between the inner layer surrounding plate and the outer layer surrounding plate; and the transparent plastic cloth is placed on the top of the housing, edges of the transparent plastic cloth are embedded into the embedding groove, and the transparent plastic cloth is fixed to the housing with flexible embedding strips, and a method for mounting the airtightness tool is provided. The airtightness tool for the pipe system cabin penetrating member reduces the weight of a vacuum cover, facilitates carrying of filed operation personnel, and can be adapted to a requirement for airtightness of welding lines of cabin penetrating members of different heights.
Description
Technical field
The present invention relates in the boat segmental construction phase, specifically a kind of close property frock and installation method thereof for piping crossing cabin part.
Background technology
In the sectional construction stage, utilize the close property of vacuum at present, the ship hull weld joint having welded is carried out to pre-close sex work.The inspection method of the close property of vacuum, utilizes suitable Bas Discharged equipment from its inner air of discharging, and forms certain vacuum tightness (negative pressure), makes the surperficial mineralization pressure of weld seam two poor, checks welding seam leakage situation.Test adopts a kind of vacuum hood device to carry out, referring to Fig. 1.
For the communication cabin component weld seam of pre-installing in segmentation, due to piping crossing cabin part size impact, such as the height of the length and width of communication cabin component compound plate, logical cabin pipe, the specification of conventional vacuum cover often cannot meet its change in size, therefore during the close property of ship hull weld joint vacuum, cannot carry out communication cabin component weld seam simultaneously.
When segmentation application: the one, retain communication cabin component and construction joint not application of position; The 2nd, after whole applications, when the close property in later stage cabin, will paint again polishing and removing.
No matter adopt which kind of mode, the first easily causes weld seam to get rusty; It two is that the artificial and material cost of later stage polishing, coating consumption in operation rises, labour intensity increases, operating environment is severe.
Summary of the invention
Technical matters to be solved by this invention is to overcome above-mentioned prior art, and the close property of a kind of vacuum device is provided, and in the boat segmental construction phase, when the close property of ship hull weld joint vacuum is detected, communication cabin component weld seam is together carried out to tightness test.The weld seam of close property comprises: pipe and compound plate weld seam, compound plate and construction joint.
Technical solution of the present invention is as follows:
For a close property frock for piping crossing cabin part, feature is that its formation includes housing and transparent north material cloth;
In the bottom outer wall of described housing, be provided with base plate, at this base plate external, be with foamed rubber circle, utilize its elasticity to guarantee the sealing between housing and structural panel;
On described housing wall, be provided with the first seat board and the second seat board, be respectively used to and being connected of barometric leg and vacuum-pumping tube:
Described housing consists of internal layer coaming plate, middle level coaming plate and outer coaming plate, and the middle level coaming plate of housing upper end is lower than internal layer coaming plate and outer coaming plate respectively, makes to form caulking groove between internal layer coaming plate and outer coaming plate;
Described transparent north material cloth is placed on case top, and the periphery of transparent north material cloth embeds described caulking groove, and fixes with flexible filler rod and housing.
Transparent plastic cloth: material selection nylon tygon Polyamide(PA+PE), there is certain tensile strength, can guarantee inside and outside visuality, and market purchasing cost is lower, conventional to make vacuum bag in life.When guaranteeing during use that it is adapted to different pipe height communication cabin component, can effectively contact with housing upper surface.And lightweight, folding characteristic is also carried to convenient operation person.
In described housing upper external, be also provided with handle.
The outer coaming plate of described housing top is also provided with filler rod dismounting mouthful.
Described vacuum-pumping tube is T-shaped pipe fitting, and pipe end is provided with quick connector, in order to connect pressurized air belt, plays the effect that vacuumizes and maintain negative pressure by Bernoulli effect.
Described housing is that organic glass (is commonly called as " acrylic Acrylic "-chemical name polymethylmethacrylate, conventional to make airplane windscreen in military affairs) material, to guarantee the structural strength of housing and inside and outside visuality simultaneously, and convenient processing (using glue special bonding connection between organic glass structure), weight is lighter.
Because communication cabin component is arranged in planar structure substantially, there is not the impact of structure line style, length and width size, according to communication cabin component compound plate maximum specification size design, guarantees that it can be applicable to compared with the communication cabin component of small dimension compound plate simultaneously.Height dimension designs take the visuality that meets compound plate and construction joint, pipe and compound plate weld seam as prerequisite.
Near considering communication cabin component position, structural frame may impact, therefore housing profile is divided into two kinds of patterns: rectangle is with circular, to meet respectively the needs of multi-joint compound plate and simply connected compound plate.
Described flexible filler rod is silica gel material, is divided into built-in U-shaped filler rod and outside O type filler rod.
On described housing, be also provided with reinforcement and frame muscle.Reinforcement: stiffened shell body structure, reduces housing distortion, frame muscle: stiffened shell body structure, the contact area of increase seat board and housing, is conducive to the conduction of power.
Due at present, only for the vacuum (-tight) housing of ship hull weld joint, the specification of vacuum (-tight) housing often cannot meet the variation of pipe communication cabin component differing heights size, so also not for the frock of pipe communication cabin component tightness of welding lines, can solve by the present invention.
Advantage is, by rational housing physical dimension design, reduces the weight of this vacuum (-tight) housing as far as possible, facilitates carrying of site operation personnel; The application of flexiplast cloth can adapt to the close sexual demand of differing heights communication cabin component weld seam; U-shaped filler rod in outside O type filler rod and housing caulking groove is worked in coordination, and allows flexiplast cloth and housing combine easily, and forms gastight cavity, and the replacing after use or dismounting are also very convenient, by filler rod, dismantles a mouthful pull-out filler rod.
Accompanying drawing explanation
Fig. 1 is the structural representation of vacuum (-tight) housing in prior art, and wherein (a) is cross-sectional figure, (b) is vertical view.
Fig. 2 is the structural representation of the present invention for the close property frock of piping crossing cabin part.
Fig. 3 is the structural representation of each coaming plate in the present invention.
In figure, housing-a, foamed rubber circle-b, reinforcement-c, frame muscle-d, base plate-e, handle-f, the first seat board-g1, the second seat board-g2, vacuum-pumping tube-h, barometric leg-i, internal layer coaming plate-j1, middle level coaming plate-j2, outer coaming plate-j3, filler rod dismounting mouth-j4, transparent plastic-k, U-shaped flexible filler rod-I1, the flexible filler rod-I2 of O type.
Fig. 4 is the structural representation of the flexible filler rod-I2 of O type in the present invention.
Fig. 5 is the structural representation of transparent north material cloth in the present invention.
When Fig. 6 is on-the-spot actual use, the schematic diagram of 4 key steps.
Fig. 7 is the scheme of installation of O type filler rod.
Fig. 8 a is O type filler rod scheme of installation, and Fig. 8 b is A-A cut-open view, and Fig. 8 c is B-B cut-open view.
Fig. 9 is the one-piece construction schematic diagram after installation of the present invention.
Figure 10 is while changing Polypropylence Sheet, the dismounting schematic diagram of O type filler rod.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further illustrated, but should not limit the scope of the invention with this.
Refer to Fig. 2, Fig. 2 is the structural representation of the present invention for the close property frock of piping crossing cabin part, and as shown in the figure, a kind of close property frock for piping crossing cabin part, includes housing a and transparent north material cloth k; In the bottom outer wall of described housing a, be provided with base plate e, in this base plate e outside, be with foamed rubber circle b; On described housing wall, be provided with the first seat board g1 and the second seat board g2, be respectively used to and being connected of barometric leg i and vacuum-pumping tube h;
Described housing consists of internal layer coaming plate j1, middle level coaming plate j2 and outer coaming plate j3, and the middle level coaming plate of housing upper end is lower than internal layer coaming plate and outer coaming plate respectively, makes to form caulking groove between internal layer coaming plate and outer coaming plate;
Described transparent north material cloth k is placed on case top, and the periphery of transparent north material cloth k embeds described caulking groove, and fixes with flexible filler rod I and housing.
In housing upper external, be also provided with handle f.
The outer coaming plate j3 of described housing top is also provided with filler rod dismounting mouthful j4.
Described vacuum-pumping tube h is T-shaped pipe fitting, and pipe end is provided with quick connector, in order to connect pressurized air belt.
Described housing is pmma material.
Described flexible filler rod is silica gel material, is divided into built-in U-shaped filler rod and outside O type filler rod.
On described housing, be also provided with reinforcement c and frame muscle d.
After on-the-spot segmental structure completion, carry out the installation of perforate and communication cabin component.After installation, by related process, weld, guarantee that communication cabin component two side welds all complete.After blind flange or wood joint are installed on communication cabin component pipe, carry out the close sex work of vacuum (carrying out with reference to the close property of H & Z260024-2008--Ship Structure weld joint vacuum cover inspection process method) of communication cabin component, step is as follows:
(1) in all shutoff of pipe opening of confirming on communication cabin component, communication cabin component and construction joint position clean (without oil stain, splash, slag etc.), around without electric welding, polishing, gas cutting etc., affect under the prerequisite of operation, in communication cabin component and construction joint and logical cabin compound plate and pipe weld, spray liquid soap.(seeing Fig. 6 operation steps 1)
(2) by operating personnel's holds handle, cover body is arranged, guarantee that communication cabin component compound plate is within the scope of cover body.(seeing Fig. 6 operation steps 2)
(3) look the sub-size of maximum tube on communication cabin component, select the Polypropylence Sheet of suitable size, Polypropylence Sheet centre is placed on to pipe top, Polypropylence Sheet edge extends into cover body upper surface.(seeing Fig. 6 operation steps 3)
(4) use outside O type filler rod, Polypropylence Sheet edge is pressed into cover body caulking groove.Like this, " gastight cavity " that relate to communication cabin component and construction joint and logical cabin compound plate and pipe weld set up.It should be noted that filler rod must guarantee the position of two ends close to dismounting mouth while installing, so that change or dismounting Polypropylence Sheet.(see that Fig. 6 operation steps 4, Fig. 7 are the scheme of installations of O type filler rod, by Polypropylence Sheet edge being pressed into housing caulking groove bottom, form sealing state, Fig. 8)
(5) connect pressurized air, by vacuum-pumping tube, make to form in cavity negative pressure, and confirm that rain glass negative pressure reaches regulation indicating value.Now vacuum (-tight) housing bears that to be no less than 0.2bar (be 0.2kgf/cm
2) air pressure.(see figure 9)
(6) check whether commissure liquid soap has bubble phenomenon, if any illustrating that weld seam has seepage, as this weld is accepted is not described.
After above step finishes, before segmentation enters the application stage, complete the close sex work of the vacuum of communication cabin component weld seam.Lime light: in segmentation, the actual prepackage state of communication cabin component may be different, for example, be segmented into anti-state fitting-out, therefore the close property of the vacuum of communication cabin component is carried out in a side of handled easily depending on segmentation actual conditions.
Fig. 9 is the one-piece construction after the present invention installs, and by connecting pressure-air, reaches vacuum state, and communication cabin component weld seam is carried out to close property.
In work or after having worked, in the time of need to changing Polypropylence Sheet, can with finger, choose the filler rod one end in top by filler rod dismounting mouthful place, then pull out whole filler rod, Polypropylence Sheet is changed or dismantled.(see figure 10)
Claims (8)
1. for a close property frock for piping crossing cabin part, be characterised in that its formation includes housing (a) and transparent north material cloth (k);
In the bottom outer wall of described housing (a), be provided with base plate (e), in this base plate (e) outside, be with foamed rubber circle (b);
On described housing wall, be provided with the first seat board (g1) and the second seat board (g2), be respectively used to barometric leg (i) and being connected of vacuum-pumping tube (h):
Described housing consists of internal layer coaming plate (j1), middle level coaming plate (j2) and outer coaming plate (j3), and the middle level coaming plate of housing upper end is lower than internal layer coaming plate and outer coaming plate respectively, makes to form caulking groove between internal layer coaming plate and outer coaming plate;
Described transparent north material cloth (k) is placed on case top, and the periphery of transparent north material cloth (k) embeds described caulking groove, and fixes with flexible filler rod (I) and housing.
2. the close property frock for piping crossing cabin part according to claim 1, is characterized in that, is also provided with handle (f) in described housing upper external.
3. the close property frock for piping crossing cabin part according to claim 1, is characterized in that, the outer coaming plate (j3) of described housing top is also provided with filler rod dismounting mouthful (j4).
4. according to the close property frock for piping crossing cabin part described in claim 1-3 any one, it is characterized in that, described vacuum-pumping tube (h) is T-shaped pipe fitting, and pipe end is provided with quick connector, in order to connect pressurized air belt.
5. according to the close property frock for piping crossing cabin part described in claim 1-3 any one, it is characterized in that, described housing is pmma material.
6. according to the close property frock for piping crossing cabin part described in claim 1-3 any one, it is characterized in that, described flexible filler rod is silica gel material, is divided into built-in U-shaped filler rod and outside O type filler rod.
7. according to the close property frock for piping crossing cabin part described in claim 1-3 any one, it is characterized in that, on described housing, be also provided with reinforcement (c) and frame muscle (d).
8. the installation method of the close property frock for piping crossing cabin part according to claim 1, is characterized in that, the method comprises the steps:
Step 1 after communication cabin component and construction joint position are cleaned, is sprayed liquid soap in communication cabin component and construction joint and logical cabin compound plate and pipe weld;
Step 2, is arranged cover body by operating personnel's holds handle, guarantees that communication cabin component compound plate is within the scope of cover body;
Step 3, depending on the sub-size of maximum tube on communication cabin component, selects the Polypropylence Sheet of suitable size, and Polypropylence Sheet centre is placed on to pipe top, and Polypropylence Sheet edge extends into cover body upper surface;
Step 4, is used flexible filler rod, and Polypropylence Sheet edge is pressed into cover body caulking groove;
Step 5, connects pressurized air, and by vacuum-pumping tube, make to form in cavity negative pressure, and confirm that rain glass negative pressure reaches regulation indicating value.Now vacuum (-tight) housing bears the air pressure that is no less than 0.2bar;
Step 6, checks whether commissure liquid soap has bubble phenomenon, as does not have, and this weld is accepted is described; Otherwise illustrate that weld seam has seepage, returns to step 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310729033.5A CN103743531A (en) | 2013-12-26 | 2013-12-26 | Airtightness tool for pipe system cabin penetrating member and method for mounting airtightness tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310729033.5A CN103743531A (en) | 2013-12-26 | 2013-12-26 | Airtightness tool for pipe system cabin penetrating member and method for mounting airtightness tool |
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| CN103743531A true CN103743531A (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310729033.5A Pending CN103743531A (en) | 2013-12-26 | 2013-12-26 | Airtightness tool for pipe system cabin penetrating member and method for mounting airtightness tool |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819810A (en) * | 2015-05-14 | 2015-08-05 | 广西金达造船有限公司 | Method for detecting sealing property of plate parts |
| CN104949804A (en) * | 2015-05-14 | 2015-09-30 | 广西金达造船有限公司 | Forming process of vacuumizing device |
| CN108267274A (en) * | 2016-12-30 | 2018-07-10 | 深圳光启空间技术有限公司 | The leak detection method of gas container |
| CN108413256A (en) * | 2018-03-08 | 2018-08-17 | 中国电建集团山东电力建设有限公司 | A kind of natural gas line gas leak detection device |
| CN108426679A (en) * | 2018-02-28 | 2018-08-21 | 重庆广福科技有限公司 | Sealing device for auto parts machinery air-leakage test |
| CN108716970A (en) * | 2018-05-31 | 2018-10-30 | 广船国际有限公司 | A kind of ship collection defence area air tight test method |
| CN111413035A (en) * | 2020-04-17 | 2020-07-14 | 中船黄埔文冲船舶有限公司 | Watertight test device for welding seam of cabin penetrating piece of outer bottom plate of ship body |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819810A (en) * | 2015-05-14 | 2015-08-05 | 广西金达造船有限公司 | Method for detecting sealing property of plate parts |
| CN104949804A (en) * | 2015-05-14 | 2015-09-30 | 广西金达造船有限公司 | Forming process of vacuumizing device |
| CN108267274A (en) * | 2016-12-30 | 2018-07-10 | 深圳光启空间技术有限公司 | The leak detection method of gas container |
| CN108426679A (en) * | 2018-02-28 | 2018-08-21 | 重庆广福科技有限公司 | Sealing device for auto parts machinery air-leakage test |
| CN108413256A (en) * | 2018-03-08 | 2018-08-17 | 中国电建集团山东电力建设有限公司 | A kind of natural gas line gas leak detection device |
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| CN108716970A (en) * | 2018-05-31 | 2018-10-30 | 广船国际有限公司 | A kind of ship collection defence area air tight test method |
| CN111413035A (en) * | 2020-04-17 | 2020-07-14 | 中船黄埔文冲船舶有限公司 | Watertight test device for welding seam of cabin penetrating piece of outer bottom plate of ship body |
| CN111413035B (en) * | 2020-04-17 | 2022-03-15 | 中船黄埔文冲船舶有限公司 | Watertight test device for welding seam of cabin penetrating piece of outer bottom plate of ship body |
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Application publication date: 20140423 |