CN215335790U

CN215335790U - Sealing device for can mouth pipe

Info

Publication number: CN215335790U
Application number: CN202121699880.8U
Authority: CN
Inventors: 陈宏�
Original assignee: China International Marine Containers Group Co Ltd; CIMC Enric Investment Holdings Shenzhen Co Ltd; Nantong CIMC Sinopacific Ocean Offshore and Engineering Co Ltd
Current assignee: China International Marine Containers Group Co Ltd; CIMC Enric Investment Holdings Shenzhen Co Ltd; Nantong CIMC Sinopacific Ocean Offshore and Engineering Co Ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2021-12-28
Anticipated expiration: 2031-07-23

Abstract

The utility model relates to a sealing device for a tank opening pipe, wherein a strain gauge transmission cable penetrates through the tank opening pipe, and the sealing device comprises: body, two ring flanges, apron and sealing silica gel. The one end of body is the nose end, and its other end continues to connect the mouth of a jar pipe, and two ring flanges are located mouth of a jar pipe and body junction for connect mouth of a jar pipe and body, the nose end of body is located to the apron lid, and this apron is worn out to foil gage transmission cable, fills certain thickness's sealing silica gel and then reaches sealed effect between the foil gage transmission cable in the body, makes foil gage transmission cable pass through jar mouth pipe entering jar in, the jar body still can keep sealed.

Description

Sealing device for can mouth pipe

Technical Field

The utility model relates to a hydraulic tank for a ship, in particular to a sealing device for a tank opening pipe.

Background

The marine liquefied natural gas storage tank is a movable pressure container, so that after the marine liquid tank is manufactured, part of the tank needs to be subjected to a stress release test. The test pressure of the stress release test is slightly higher than the pressure of the hydrostatic test, in the process, the stress value of the stress concentration area inside and outside the tank must be strictly monitored, the strain gauge can be directly attached to the corresponding area outside the tank, and the strain gauge data transmission cable is used in the tank and must enter the liquefied natural gas storage tank through the pipe orifice. The problem that a pressure strain gauge transmission cable enters a tank through a tank opening pipe of the tank and the tank can still be sealed is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sealing device for a tank opening pipe, which aims to solve the problem that in the prior art, a data transmission cable of a pressure strain gauge enters a liquid tank through the tank opening pipe of the liquid tank, and the liquid tank still needs to be sealed.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a sealing device for a tank mouth pipe, wherein a strain gauge transmission cable penetrates through the tank mouth pipe, and the sealing device is characterized by comprising:

one end of the pipe body is a pipe orifice end, and the other end is continuously connected with the tank orifice pipe; the strain gauge transmission cable is arranged in the pipe body in a penetrating way;

the two flange plates are positioned at the joint of the tank opening pipe and the pipe body and are used for connecting the tank opening pipe and the pipe body;

the cover plate is covered at the pipe orifice end of the pipe body and used for sealing the pipe orifice end; the strain gauge transmission cable penetrates out of the cover plate;

and the sealing silica gel is filled between the strain gauge transmission cables in the tube body.

Optionally, the method further comprises:

and the screw penetrates through the cover plate and the pipe orifice end of the pipe body to fasten the cover plate to the pipe orifice end.

Optionally, the number of the screws is at least two, and a plurality of the screws are arranged at intervals along the edge of the cover plate.

Optionally, the method further comprises:

a cover plate gasket disposed between the cover plate and the nose end.

Optionally, a through hole for the strain gauge transmission cable to pass through is formed in the cover plate.

Optionally, the number of the through holes is multiple, and the through holes are regularly arranged on the cover plate at intervals.

Optionally, the two flanges are connected by bolts.

Optionally, one of the flanges and one end of the tank opening pipe are connected into a whole, the other flange is welded at the other end of the pipe body, and the two flanges are connected through bolts to enable the pipe body to be communicated with the tank opening pipe.

Optionally, the number of the bolts is multiple, and the bolts surround the two flange plates and are arranged at equal intervals.

Optionally, the method further comprises:

and the flange gasket is positioned at the joint of the two flange plates.

According to the technical scheme, the embodiment of the utility model at least has the following advantages and positive effects:

the application provides a sealing device for jar mouthful pipe wears to be equipped with foil gage transmission cable in jar mouthful pipe, and this sealing device includes: body, two ring flanges, apron and sealing silica gel. The one end of body is the nose end, and its other end continues to connect the mouth of a jar pipe, and two ring flanges are located mouth of a jar pipe and body junction for connect mouth of a jar pipe and body, the nose end of body is located to the apron lid, and this apron is worn out to foil gage transmission cable, fills certain thickness's sealing silica gel and then reaches sealed effect between the foil gage transmission cable in the body, makes foil gage transmission cable pass through jar mouth pipe entering jar in, the jar body still can keep sealed.

Drawings

Fig. 1 is a perspective view of a sealing device for a spout tube provided in an embodiment of the present invention.

Fig. 2 is a top view of a sealing device for a spout tube provided by an embodiment of the present invention.

Fig. 3 is an N-N view of fig. 2.

The reference numerals are explained below:

100. a sealing device; 10. a mouth pipe; 20. a pipe body; 21. a screw; 30. a flange plate; 31. a flange gasket; 32. a bolt; 40. a cover plate; 41. a through hole; 42. a cover plate gasket; 50. sealing the silica gel; 60. the strain gage transmits the cable.

Detailed Description

Exemplary embodiments that embody features and advantages of the utility model are described in detail below in the specification. It is to be understood that the utility model is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the utility model and the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

For further explanation of the principles and construction of the present application, preferred embodiments thereof will now be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 3, the present application provides a sealing device 100 for a tank opening pipe, which is applied to a stress relief test of a marine lng storage tank. The marine liquefied natural gas storage tank is a movable pressure container, so that after the marine liquid tank is manufactured, part of the tank needs to be subjected to a stress release test. Wherein, wear to be equipped with foil gage transmission cable 60 in jar mouth pipe 10, this sealing device 100 includes: the sealing device comprises a pipe body 20, two flange plates 30, a cover plate 40 and sealing silica gel 50.

The tank opening pipe 10 is a tank opening part of the marine liquid tank, and when a stress release test is carried out, the strain gauge transmission cable 60 needs to pass through the tank opening pipe 10 and then enter the marine liquid tank so as to be used for monitoring the pressure value of a stress concentration area in the tank.

The tube body 20 has two ends, one of which is communicated with the mouth tube 10 and the other of which is a tube mouth end. The flange 30 is located at the joint of the mouth pipe 10 and the pipe body 20, and is used for connecting the mouth pipe 10 and the pipe body 20. The cover plate 40 covers the opening end of the tube 20 to close the opening end. The strain gage transmission cable 60 passes out of the cover plate 40. The sealing silicone rubber 50 is filled in the tube body 20 and between the strain gauge transmission cables 60.

The strain gauge transmission cable 60 is used for transmitting the stress value of the stress concentration area in the marine liquid tank monitored by the strain gauge, the strain gauge can be directly attached to the corresponding area by monitoring outside the tank, and the strain gauge transmission cable 60 is required to enter the tank from the tank opening pipe 10 of the liquid tank by monitoring in the tank. After the sealing device 100 is mounted, the strain gauge transmission cable 60 is inserted through the mouth pipe 10, the pipe body 20, and the cover 40 in this order from the tank.

One end of the tube body 20 is a tube mouth end, and the other end is connected with the can mouth tube 10. In this embodiment, the tubular body 20 is a welded tubular body having a hollow cross section and a circular cross-sectional shape. The body 20 has a cavity therein for receiving the strain gage transmission cable 60 therethrough. The tube 20 also has a thickness that can withstand the water pressure of the stress relief test.

One end of the pipe body 20 connected with the tank opening pipe 10 is sleeved with a flange 30, and the flange 30 is fixed on the periphery of the pipe body 20 in a welding mode. The other flange 30 is integrally formed with one end of the mouth pipe 10, and the two flanges 30 are connected by bolts 32, so that the pipe body 20 is communicated with the mouth pipe 10. The flange 30 includes a disk surface and a flange around the disk surface, and the flange is provided with bolt holes. After the two flanges 30 are abutted, the flanges 30 are adjusted to align the bolt holes of the flanges, the screws of the bolts 32 are inserted through the bolt holes, and finally the screws are fixed by nuts.

Further, the bolts 32 may be plural, and the plural bolts 32 are arranged around the flange 30 at regular intervals. By arranging a plurality of bolts 32 for connection between the two flanges 30, the connection between the can end pipe 10 and the pipe body 20 is tighter.

The junction of the two flanges 30 may also include a flange gasket 31. The flange gasket 31 is placed between the disk surfaces of the two flange plates 30, the nuts of the flange plates 30 are screwed, the surface of the flange gasket 31 deforms after being pressed, and the unevenness between the disk surfaces of the two flange plates 30 is filled, so that the connection between the two flange plates 30 is tight and leakless.

The cover plate 40 covers the opening end of the tube body 20 for sealing the opening end. The strain gage transmission cable 60 passes out of the cover plate 40. The cover plate 40 has a certain water pressure resistance.

The cover plate 40 may be a one-piece plate-shaped structure, and may also include a cover body and a surrounding edge around the edge of the cover body. In the present embodiment, the cover plate 40 includes a cover body and a surrounding edge surrounding the edge of the cover body. The cover plate 40 can be connected to the pipe orifice end of the pipe body 20 through threads, internal threads are arranged on the periphery of the cover plate 40, external threads are arranged at the pipe orifice end of the pipe body 20, and the cover plate 40 is sleeved at the pipe orifice end and screwed tightly through the internal and external threads. The cover plate 40 can also be directly fastened to the end of the pipe body 20, and connected to the end of the pipe body in a clamping manner, or connected to the end of the pipe body 20 in an embedding manner.

The sealing device 100 further comprises a screw 21, a screw shaft of the screw 21 has an external thread, and the cover plate 40 and the pipe orifice end of the pipe body 20 are provided with threaded holes matched with the external thread of the screw 21. The screw 21 passes through the cover plate 40 and the pipe end of the pipe body 20 in turn to fasten the cover plate 40 to the pipe end of the pipe body 20. By providing the screws 21, tightness between the cap plate 40 and the tube body 20 is enhanced.

Further, the number of the screws 21 is at least two, and a plurality of the screws 21 are arranged at intervals along the edge of the cover plate 40. The screws 21 are provided in plural, which can further stabilize the connection between the cap plate 40 and the tube 20 and enhance the tightness of the connection.

The sealing device 100 further includes a cover gasket 42, and the cover gasket 42 is disposed between the cover plate 40 and the nozzle end of the pipe body 20. In the present embodiment, the cover plate gasket 42 is provided with the same number of screw holes as the number of screws 21 so as to facilitate the passage of the screws 21. The provision of the cap gasket 42 maintains the seal between the cap 40 and the mouth end of the tube body 20 and prevents water from entering between the cap 40 and the mouth end of the tube body 20.

The cover plate 40 is further provided with a through hole 41 for the strain gauge transmission cable 60 to pass through, and the aperture of the through hole 41 can be set according to actual needs, can be set to allow a plurality of strain gauge transmission cables 60 to pass through, and can also be set to allow only one strain gauge transmission cable 60 to pass through.

Furthermore, there may be a plurality of through holes 41, and the through holes 41 are regularly arranged on the cover plate 40. In the present embodiment, the cover plate 40 is provided with a plurality of through holes 41, and each through hole 41 is passed through by only one strain gauge transmission cable 60. The sealing device 100 can be suitable for water pressure stress release tests of different liquid tanks by changing the number and the aperture of the through holes 41.

It can be understood that a circle of sealing silicone ring can be further disposed on the inner periphery of the through hole 41, and the aperture of the through hole 41 after the circle of sealing silicone ring is added is smaller than the cable cross section of the strain gauge transmission cable 60. When the strain gauge transmission cable 60 passes through the through hole 41, the elastic sealing silicone ring is tightly pressed by the strain gauge transmission cable 60, so that the sealing property between the strain gauge transmission cable 60 and the through hole 41 is enhanced, and the water is further prevented from entering.

The sealing silica gel 50 is filled between the strain gauge transmission cables 60 in the tube body 20, so that the strain gauge transmission cables 60 can be ensured to be sealed after entering the liquid tank. Only with sealing silica gel 50 packing in body 20, then do not influence the structure of fluid reservoir, at the in-process of carrying out the stress release test, can guarantee that the self pressure of fluid reservoir does not change because of connecting sealing device 100 for sealing device 100 can play the sealed effect of pressurize, thereby guarantees the accuracy of test data.

In this embodiment, when the stress release test of the marine liquid tank is required, the strain gauge transmission cable 60 may first pass through the through hole 41 of the cover plate 40, the cover plate gasket 42 is placed at the pipe end of the pipe body 20, the cover plate 40 is then covered on the pipe end of the pipe body 20, and finally the screw 21 is used to reinforce the tightness between the cover plate 40 and the pipe end of the pipe body 20. By providing the cover plate 40 and the cover plate gasket 42, a sealing connection between the pipe body 20 and the cover plate 40 is ensured.

After the cover plate 40, the cover plate gasket 42 and the tube body 20 are tightly connected, the sealing silica gel 50 is filled between the strain gauge transmission cables 60 in the tube body 20. Through filling sealing silica gel 50 in with body 20, sealing silica gel 50 can be closely the parcel between wearing to locate the foil gage transmission cable 60 in body 20, has guaranteed that there is not the space that is not sealed around the foil gage transmission cable 60, can also further guarantee that foil gage transmission cable 60 passes through-hole 41 and penetrates when apron 40, and the space that exists between this foil gage transmission cable 60 and the through-hole 41 is also filled by sealing silica gel 50 for can keep sealed between through-hole 41 and the foil gage transmission cable 60. In addition, only with sealing silica gel 50 packing in body 20, then do not influence the structure of fluid reservoir, at the in-process that carries out the stress release test, can guarantee that the self pressure of fluid reservoir does not change because of connecting sealing device 100 for sealing device 100 can play the sealed effect of pressurize, thereby guarantees the accuracy of test data. After the sealing silica gel 50 is cured, the two flanges 30 are connected.

Before the flanges 30 are connected, the strain gauges of the strain gauge transmission cables 60 are attached to stress concentration areas in the marine tank, the two flanges 30 are connected, the flange gasket 31 is placed between the two flanges 30, and then the nuts of the flanges 30 are screwed until the two flanges 30 and the flange gasket 31 are tightly connected. By arranging the flange 30 and the flange gasket 31, the sealing connection between the tank opening pipe 10 and the pipe body 20 of the liquid tank is ensured.

When the marine tank that needs to carry out the stress release test is different, as long as satisfy the jar mouth pipe orifice footpath of the tank as experimental passageway and be fit for with this sealing device 100, this sealing device 100 still is suitable for, only needs to change the quantity and the aperture of through-hole 41 on the apron 40, just can realize this sealing device 100 can one set of multi-purpose.

The sealing device 100 for the can end pipe 10 comprises: the sealing device comprises a pipe body 20, two flange plates 30, a cover plate 40 and sealing silica gel 50. Wherein, a strain gauge transmission cable 60 is arranged in the tank mouth pipe 10 in a penetrating way. The one end of body 20 is the nose end, its other end continues to connect the mouth of a jar pipe 10, two ring flanges 30 are located mouth of a jar pipe 10 and body 20 junction, be used for connecting mouth of a jar pipe 10 and body 20, the nose end of body 20 is located to the apron 40 lid, this apron 40 is worn out to foil gage transmission cable 60, fill certain thickness's sealed silica gel 50 and then reach sealed effect between foil gage transmission cable 60 in body 20, make foil gage transmission cable 60 pass through mouth of a jar pipe 10 entering jar in, the jar body still can keep sealed.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A sealing device for a tank mouth pipe, wherein a strain gauge transmission cable penetrates through the tank mouth pipe, and the sealing device is characterized by comprising:

one end of the pipe body is a pipe orifice end, and the other end is continuously connected with the tank orifice pipe; the strain gauge transmission cable is arranged in the pipe body in a penetrating mode;

2. The sealing device for a can end as defined in claim 1, further comprising:

3. A sealing device for a can mouth tube as claimed in claim 2, wherein said screws are at least two, and a plurality of said screws are spaced along the edge of said cover plate.

4. A sealing device for a can mouth pipe as claimed in claim 2 or 3, further comprising:

a cover plate gasket disposed between the cover plate and the nose end.

5. The sealing device for a can mouth pipe according to claim 4, wherein the cover plate is provided with a through hole through which the strain gauge transmission cable passes.

6. The sealing device for a can mouth pipe as claimed in claim 5, wherein said through hole is plural, and said plural through holes are regularly arranged at intervals on said cover plate.

7. A sealing device for a port tube according to claim 1 or 6, wherein the flanges are bolted together.

8. A sealing means for a mouth tube according to claim 7, wherein one of said flanges is integrally connected to one end of said mouth tube and the other of said flanges is welded to the other end of said tubular body, and said flanges are bolted together to connect said tubular body to said mouth tube.

9. A closure assembly for a port tube according to claim 8, wherein said bolts are plural and are spaced evenly around both of said flanges.

10. The sealing device for a can end as defined in claim 9, further comprising:

and the flange gasket is positioned at the joint of the two flange plates.