CN211651978U - Welding seam tightness vacuum box at cabin penetrating position of flat-bulb steel - Google Patents
Welding seam tightness vacuum box at cabin penetrating position of flat-bulb steel Download PDFInfo
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- CN211651978U CN211651978U CN201922326938.3U CN201922326938U CN211651978U CN 211651978 U CN211651978 U CN 211651978U CN 201922326938 U CN201922326938 U CN 201922326938U CN 211651978 U CN211651978 U CN 211651978U
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Abstract
The utility model discloses a flat-bulb steel crosses cabin department welding seam tightness vacuum box, it is including the vacuum box main part that is used for forming the airtight space in vacuum, and the side of vacuum box main part is provided with the observation window that is used for observing the inside situation of vacuum box main part, is provided with the circular shape extraction opening that is used for extracting the inside air of vacuum box main part on the observation window and is used for examining the vacuum table of vacuum box main part internal pressure, is provided with the plastic uptake nature joint strip that is used for sealing in the vacuum box main part. The vacuum test system has the advantages that the welding seam tightness vacuum box at the cabin penetrating position of the flat-bulb steel improves the integral tightness of the cabin berth to the vacuum test during segmentation, so that the integrity of paint is improved, high-altitude operation is changed into flat ground operation, the welding seam inspection difficulty and workload are reduced, and unqualified positions are easy to detect; the structure of the vacuum box is simple, the handle is arranged on the box, the vacuum box is convenient to use, and the sealing rubber strips arranged on each surface of the main body of the vacuum box can ensure the sealing performance of the vacuum box.
Description
Technical Field
The utility model relates to a shipbuilding inspection frock field specifically is flat-bulb steel cross cabin department welding seam tightness vacuum box.
Background
The ship test is an important link in the shipbuilding process and is also the last important link, and comprises a tightness test, a mooring test, an inclination test and a sailing test. The purpose of the tightness test is to check whether the welding seams of the outer plate, the bulkhead and the like have the penetration phenomenon so as to ensure the navigation safety of the ship; the cause of welding defects can be analyzed through a tightness test, and improvement suggestions are provided for certain procedures. When a ship is built, a segmented pre-sealing method is generally adopted, and the segmented pre-sealing method can not only shorten the period of a ship berth, but also reduce paint damage, welding line inspection difficulty and workload, thereby reducing inspection cost. The hull segment pre-sealing comprises the following steps: the method comprises an inflation test, a vacuum test, coloring, magnetic powder inspection and the like, wherein the vacuum test and the inflation test are common low-cost inspection methods, and the watertight bulkhead through which the flat bulb steel passes cannot be conveniently and directly inspected when the inflation test leaks air because each flat bulb steel is provided with a watertight patch.
Based on the above problems, a vacuum box sealing device is further improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned problem, relate to a flat-bulb steel cross cabin department welding seam tightness vacuum box.
Realize above-mentioned purpose the utility model discloses the scheme does, and flat bulb steel crosses cabin department welding seam tightness vacuum box, and it is including the vacuum box main part that is used for forming the airtight space in vacuum, the side of vacuum box main part is provided with and is used for observing the observation window of the inside situation of vacuum box main part, be provided with on the observation window and be used for the extraction opening of the inside air of vacuum box main part with be used for the inspection the vacuum meter of vacuum box main part internal pressure, be provided with the plastic uptake nature joint strip that is used for sealing in the vacuum box main part.
Preferably, both ends of the upper portion of the vacuum box main body are respectively provided with an arched handle.
Preferably, the vacuum cartridge body has four faces with sealing faces and two other adjacent faces without sealing faces.
Preferably, the air pumping port is connected with air pumping equipment.
Preferably, the viewing window is made of a transparent material.
Preferably, a strip-shaped block is arranged in the middle of the upper part of the vacuum box main body, and a plastic suction sealing rubber strip is attached to the strip-shaped block.
Preferably, the bottom and the side of the vacuum box are attached with plastic suction sealing rubber strips.
The beneficial effects of the utility model reside in that: 1. the welding seam tightness vacuum box at the cabin penetrating position of the flat-bulb steel improves the integral tightness of the cabin berth to a vacuum test during segmentation, improves the integrity of paint, changes high-altitude operation into flat ground operation, reduces the welding seam inspection difficulty and workload, and is easy to detect unqualified positions;
2. the welding seam tightness vacuum box of the flat bulb steel cabin penetrating position shortens the ship platform period, reduces the construction cost, and the sealing rubber strips arranged on each surface of the vacuum box main body can ensure the sealing performance of the vacuum box, so that the vacuum box is simple in structure, the box is provided with a handle, and the vacuum box is convenient to use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a top view of the present invention;
in the figure, 1, a vacuum box main body; 2. an observation window; 3. an air extraction opening; 4. a vacuum gauge; 5. a plastic absorbing sealing rubber strip; 6. a handle.
Detailed Description
The watertight bulkhead that traditional bulb steel passed all has the watertight benefit board because of every bulb steel department, and what the problem that appears is examined out to unable convenient directness when leading to aerifing experimental gas leakage, needle in above defect, researched and developed the utility model discloses a waterproof bulkhead is convenient for the gas leakage test has improved the gas leakage test.
In order to make the technical solution more clear to those skilled in the art, the following will explain the specific principles of the various structures in the vacuum box with reference to fig. 1-2: the flat bulb steel crosses cabin department welding seam leakproofness vacuum box is including the vacuum box main part 1 that is used for forming the airtight space in vacuum, side at vacuum box main part 1 is provided with observation window 2, observation window 2 is made by transparent material, for the convenience of observe the inside situation of vacuum box main part 1, and be provided with an extraction opening 3 and a vacuum table 4 on the observation window 2, extraction opening 3 is connected with air exhaust equipment, air exhaust equipment passes through the inside air of extraction opening 3 extraction vacuum box main part 1, reach the purpose of evacuation, thereby inspect the sealing performance of hull, and in the time of bleeding, can inspect the inside pressure of vacuum box main part 1 through vacuum table 4, thereby judge whether up to standard the vacuum state provides the basis for the experimenter.
Two surfaces of the vacuum box main body 1 are solid and non-sealing surface, a strip-shaped block is arranged at the middle position of the upper part of the vacuum box main body 1, and plastic absorption sealing rubber strips 5 are attached to the side surfaces of the strip-shaped block and the vacuum box main body 1 and used for sealing the vacuum box. For convenient taking, two ends of the upper part of the vacuum box main body 1 are respectively provided with an arched handle 6. The welding seam tightness vacuum box at the cabin penetrating position of the flat-bulb steel changes the integral tightness of the cabin berth into a segmented vacuum test, so that the experiment cost is reduced, the inspection difficulty is reduced, the structure of the vacuum box is simple, and the operation of experimenters is easy.
The working principle is as follows: the handle 6 is held, the vacuum box is attached to the watertight bulkhead, the plastic suction sealing rubber strip 5 is enabled to be completely attached to the watertight bulkhead, a completely sealed space is formed between the vacuum box and the watertight bulkhead, the air suction port 3 is connected with air suction equipment through an air suction pipe, the air suction equipment is started to suck air in the vacuum box, the condition in the vacuum box is observed through the observation window 2, the pressure in the vacuum box is checked through the vacuum meter 4, the experiment is finished, the air suction equipment is closed, and the vacuum box is taken down.
Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.
Claims (7)
1. A flat-bulb steel penetrating-cabin welding seam tightness vacuum box is characterized by comprising a vacuum box main body (1) used for forming a vacuum closed space, wherein an observation window (2) used for observing the internal condition of the vacuum box main body (1) is arranged on the side face of the vacuum box main body (1), an extraction opening (3) used for extracting the internal air of the vacuum box main body (1) and a vacuum meter (4) used for checking the internal pressure of the vacuum box main body (1) are arranged on the observation window (2), and a plastic suction sealing rubber strip (5) used for sealing is arranged on the vacuum box main body (1).
2. The flat bulb steel penetration weld-tightness vacuum box according to claim 1, characterized in that the upper part of the vacuum box main body (1) is provided with an arched handle (6) at each end.
3. The flat bulb steel penetration weld-tightness vacuum box according to claim 1, characterized in that the vacuum box body (1) has four faces with sealing faces and two other adjacent faces without sealing faces.
4. The flat bulb steel penetration weld tightness vacuum box according to claim 1, characterized in that the suction port (3) is connected with a suction device.
5. The flat bulb steel penetration weld-tight vacuum box according to claim 1, characterized in that the observation window (2) is made of transparent material.
6. The flat bulb steel penetrating place welding seam tightness vacuum box according to claim 1, characterized in that a strip-shaped block is arranged in the middle of the upper part of the vacuum box main body (1), and a plastic suction sealing rubber strip (5) is attached to the strip-shaped block.
7. The flat bulb steel penetration weld joint sealing vacuum box as claimed in claim 1, characterized in that a plastic sucking sealing rubber strip (5) is attached to the bottom and the side of the vacuum box main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922326938.3U CN211651978U (en) | 2019-12-23 | 2019-12-23 | Welding seam tightness vacuum box at cabin penetrating position of flat-bulb steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922326938.3U CN211651978U (en) | 2019-12-23 | 2019-12-23 | Welding seam tightness vacuum box at cabin penetrating position of flat-bulb steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211651978U true CN211651978U (en) | 2020-10-09 |
Family
ID=72697882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922326938.3U Active CN211651978U (en) | 2019-12-23 | 2019-12-23 | Welding seam tightness vacuum box at cabin penetrating position of flat-bulb steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211651978U (en) |
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2019
- 2019-12-23 CN CN201922326938.3U patent/CN211651978U/en active Active
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