CN210221416U

CN210221416U - Sea chest tightness test device

Info

Publication number: CN210221416U
Application number: CN201921371239.4U
Authority: CN
Inventors: Shuguang Wang; 王曙光; Zhenhua Zhao; 赵振华; Beilei Wang; 王蓓蕾
Original assignee: Jiangnan Shipyard Group Co Ltd
Current assignee: Jiangnan Shipyard Group Co Ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-03-31
Anticipated expiration: 2029-08-22

Abstract

The utility model provides a sea chest tightness test device, be equipped with the trompil on the sea chest, the device includes: a sealing plate covering the outer side of the opening; the sealing device is arranged between the sealing plate and the opening; an inner support member disposed inside the opening; the connecting piece, the connecting piece passes the trompil will the shrouding, sealing device reaches interior support piece fixed connection, the utility model discloses simple structure, the installation is dismantled conveniently, has effectively solved polar region scientific investigation icebreaker sea chest door tightness test problem, has solved the difficult problem of also protecting hull parent metal when verifying sea chest door tightness.

Description

Sea chest tightness test device

Technical Field

The utility model relates to an auxiliary device of shipbuilding especially relates to a seabed door tightness test device.

Background

Among the prior art, the trompil that sets up on the sea chest door is and opens an solitary hole on the planking, and the size in hole is less than the grid size of customization on the planking to make things convenient for sea chest door internal construction, with a shrouding with the shutoff of connecting hole when the tightness test, then carry out tightness test and intensity test, demolish the shrouding after the experiment, demolish the back and trompil again according to the grid size, then at installation sea chest door grid. The defects of the prior art are as follows: the parent metal of the ship body can be damaged when the sealing plate is detached, and the process is complex and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of the above shortcomings in the prior art, an object of the present invention is to provide a sea chest tightness testing device for solving the deficiencies in the prior art.

In order to realize above-mentioned purpose and other relevant purposes, the utility model provides a sea chest tightness test device, be equipped with the trompil on the sea chest, the device includes: a sealing plate covering the outer side of the opening; the sealing device is arranged between the sealing plate and the opening; an inner support member disposed inside the opening; and the connecting piece penetrates through the opening to fixedly connect the sealing plate, the sealing device and the inner support piece.

In one embodiment, the connecting member includes a bolt, a nut, and a spacer, the spacer is located at two sides of the nut, and the bolt passes through the nut and is connected with the nut.

In one embodiment, the shim has a thickness of 5-15 mm.

In one embodiment, the inner support member is attached to the head of the bolt.

In one embodiment, the sealing plate, the sealing device and the inner support member are provided with connecting holes.

In one embodiment, the subsea door opening is a narrow strip of holes.

In one embodiment, the width of the narrow strip hole is 15-25 mm.

In one embodiment, the sealing means is a sealing gasket.

In one embodiment, the thickness of the sealing gasket is 5-10 mm.

In one embodiment, the outer edge of the sealing means extends 10-30mm beyond the outer edge of the sealing plate.

As above, the utility model discloses a sea chest tightness test device, simple structure, convenient to use can effectively solve the tightness test problem of polar region scientific investigation icebreaker sea chest door, has effectively solved the difficult problem of protection hull parent metal when accomplishing to verify sea chest tightness intensity.

Drawings

Fig. 1 is a front view of the structure of the tightness testing device of the present invention.

Fig. 2 is a side view of the tightness test device of the present invention in use.

Fig. 3 is the utility model discloses the structure schematic diagram of tightness test device shrouding.

Fig. 4 is a schematic structural view of the sealing device of the tightness testing device of the present invention.

Fig. 5 is a schematic structural view of the inner supporting member of the tightness testing apparatus of the present invention.

Fig. 6 is a schematic structural view of the connecting member of the tightness testing device of the present invention.

Element numbering in the figures:

1 sealing plate

11 connecting hole

2 sealing device

21 connecting hole

3 inner support

31 connecting hole

4 connecting piece

41 bolt

42 nut

43 shim

44 nut

101 sea chest

102 open pore

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 6. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

As shown in fig. 1 to 6, the present invention provides a tightness test device, which comprises a sealing plate 1 covering the outside of the opening hole 102, wherein the sealing plate 1 can be a general or special sealing plate designed according to the line type of the ship body, so-called general sealing plate can be used in multiple places without specific application range, so-called special sealing plate designed at specific positions for attaching the line type of the ship body.

As shown in fig. 1, the opening 102 may be a narrow strip hole, the number of the narrow strip holes may be set according to specific ship needs, and in one embodiment, multiple rows of strip holes with a length of 200 mm and a width of 15-25mm, for example, 5-10 rows, may be provided, and the distance between the strip holes may be 20-30mm, for example, 8 rows of strip holes with a length of 300mm, a width of 20mm and a distance of 20 mm.

As shown in fig. 3, the sealing plate 1 may be provided with a plurality of rows, for example, two rows, of the connecting holes 11, wherein at least two rows of the connecting holes 11 are correspondingly arranged at two ends of the opening holes 102, so as to ensure the air tightness of the assembled device, and the connecting holes 11 may be distributed according to the number of the opening holes 102, for example, the connecting holes 11 may be arranged at the uppermost and lowermost portions of the opening holes 102 and at any middle portion of the opening holes 102.

As shown in fig. 2 and 4, a sealing device 2 is disposed between the sealing plate 1 and the opening 102, the sealing device 2 may be a sealing gasket, and the sealing device 2 is provided with a connecting hole 21 corresponding to the connecting hole 11 of the sealing plate 1. The thickness of the sealing device 2 may be 5-10mm, for example 8mm, the sealing device 2 may be used for sealing a gap between the subsea door 101 and the sealing plate 1, and the outer edge of the sealing device 2 may exceed the outer edge of the sealing plate 1 by a certain distance, which may be 10-30mm, for example 10mm, so as to prevent the sealing device 2 from retracting due to its own material when the bolt is fastened and compressed, thereby affecting the sealing performance of the device.

As shown in fig. 1 to 6, inner supporting members 3 are further disposed inside the opening hole 102, the number of the inner supporting members 3 may be matched according to the number of the rows of the connecting

holes

11, 21, 31, for example, two inner supporting members 3 are symmetrically disposed, and the inner supporting members 3 are provided with connecting holes 31 corresponding to the sealing plate connecting holes 11 and the sealing device connecting holes 21.

As shown in fig. 6, in order to connect the closing plate 1, the sealing device 2 and the inner support 3, the device is further provided with a connecting member 4, wherein the connecting member 4 comprises a bolt 41, a nut 42, a nut 44 and a gasket 43, the gasket 43 is positioned at two sides of the nut 42, and the bolt 41 passes through the nut 44 and is connected with the nut 44. The gasket 43 may be a circular gasket symmetrically disposed on two sides of the nut 42, the thickness of the gasket 43 may be 5-15mm, for example, 8mm, the reasonable selection of the thickness of the gasket can ensure that the connecting member 4 has a proper compression amount, thereby improving the sealing performance, the inner supporting member 3 may be disposed on the head of the bolt 11 of the connecting member 4, when the bolt 11 is fastened and stressed, the device is prevented from damaging the base material, the inner supporting member 3 is also provided with a connecting hole 31 corresponding to the sealing device 2 and the sealing plate 1, the diameter of the connecting

hole

11, 21, 31 may be larger than the diameter of the bolt 41, so that the bolt 41 can smoothly pass through the connecting

hole

11, 21, 31, for example, may be 3-5mm, for example, and the size of the connecting

hole

11, 21, 31 may be the same.

The sealing principle of the utility model is explained as follows:

the bolt 41 of the connecting piece 4 penetrates through the inner support piece 3, the opening hole 102 on the sea-bottom door 101, the sealing device 2, the sealing plate 1, the gasket 43 and the nut 42 from the inside, the bolt 41 and the nut 42 of the connecting piece 4 are in contact with the inner support piece 3 and the sealing plate 1 and are stressed, the sealing device 2 between the sealing plate 1 and the sea-bottom door 101 is pressed by the fastening process of the nut 42, meanwhile, the gap between the nut 42 and the sealing plate 1 is pressed by the gasket 43, the nut 44 prevents water and gas seeping between threads through double sealing between the nut 44 and the sealing device 2, and the whole design ensures integral sealing through mutual extrusion between the nut 44 and the nut 42.

The utility model discloses an equipment step as follows:

the inner supporting piece 3 is placed on the inner side of the sea chest 101, the bolt 41 of the connecting piece 4 penetrates through the inner supporting piece 3, then the bolt 41 penetrates through the opening hole 102 in the sea chest 101, the sealing device 3 is attached to the outer plate of the sea chest 101, the connecting hole 21 in the sealing device 2 sequentially penetrates through the bolt 41, the sealing plate 1 is placed on the sealing device 2, the distance that the single edge of the outer edge of the sealing device 3 is larger than that of the sealing plate 1 is 10mm according to design, the bolt 41 penetrates through the connecting hole 11 in the sealing plate 1, the circular gasket 43 and the nut 42 are sequentially sleeved, the nut 42 is fastened to the maximum compression amount of the sealing device 3, the circular gasket 43 and the nut 44 are sequentially sleeved on the bolt 41 and screwed, a circle of sealant is applied to the periphery of the circular gasket 43, and then the assembly of the.

Utilize the utility model discloses the device carries out the step as follows of tightness test:

after the whole sea chest is sealed, the sea chest is inflated to 0.02MPa pressure or the converted pressure obtained after the cabin is filled with water to the top of the overflow pipe is kept for 1-2 hours, meanwhile, soap water is sprayed to the surface of the device, in the process of keeping air pressure, whether bubbles are generated on the surface of the device is checked, if no bubbles exist, the device does not have the air leakage phenomenon, a related tightness test can be carried out, if bubbles exist, nuts are continuously fastened until no air leakage phenomenon exists, if air leakage still exists after fastening, after the whole inspection is finished, the installation position of the air-bleeding adjusting device reaches a standard position for re-inflation, and after the test is passed, a subsequent ship body tightness test is carried out.

The device can be used in the tightness test process of the polar navigation ship. The open pore arranged on the sea chest can be used for sucking seawater to ensure the smooth operation of ship ballast, fresh water cooling and fire-fighting system, and meanwhile, in order to avoid sucking other impurities when sucking seawater, the outside of the open pore is also provided with a grid for preventing the impurities in the seawater from entering the inside of the ship body to block the fresh water heat exchanger and the lubricating oil heat exchanger. At present, the trompil that sets up on the submarine door is an solitary hole mostly, and the size in hole is less than the grid size of customization, but still remains the ice cinder with the sea water when the submarine door material needs to satisfy below-40 ℃ environmental requirement and filters because of the polar region navigation ship navigation region includes south north pole, and general grid can't satisfy above-mentioned operating temperature requirement, consequently the utility model discloses design special narrow strip hole trompil structure for the submarine door, directly can filter the ice cinder, avoided using the grid to come the filtration debris, satisfied ice zone-40 ℃'s operating temperature environment, solved the problem that traditional submarine door customization grid can't satisfy operating temperature in outside plate trompil department use.

To sum up, the utility model provides a accomplish the difficult problem of protection mother metal when verifying sea chest tightness intensity, specially adapted polar region navigation ship sea chest tightness test. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a sea chest tightness test device, be equipped with the trompil on the sea chest, its characterized in that, the device includes:

a sealing plate covering the outer side of the opening;

the sealing device is arranged between the sealing plate and the opening;

an inner support member disposed inside the opening;

and the connecting piece penetrates through the opening to fixedly connect the sealing plate, the sealing device and the inner support piece.

2. The sea chest tightness test device of claim 1, wherein: the connecting piece is including bolt, nut and gasket, the gasket is located the both sides of nut, the bolt passes the nut links to each other with the nut.

3. The sea chest tightness test device of claim 2, wherein: the thickness of the gasket is 5-15 mm.

4. The sea chest tightness test device of claim 2, wherein: the inner support member is attached to the head of the bolt.

5. The sea chest tightness test device of claim 1, wherein: the sealing plate, the sealing device and the inner support piece are provided with connecting holes.

6. The sea chest tightness test device of claim 1, wherein: the opening of the seabed door is a narrow hole.

7. The sea chest tightness test device of claim 6, wherein: the width of the narrow strip hole is 15-25 mm.

8. The sea chest tightness test device of claim 1, wherein: the sealing device is a sealing gasket.

9. The sea chest tightness test device of claim 8, wherein: the thickness of the sealing gasket is 5-10 mm.

10. The sea chest tightness test device of claim 1, wherein: the outer edge of the sealing device exceeds the outer edge of the sealing plate by 10-30 mm.