CN110271639B - Deep sea submersible vehicle pressure-resistant body limiting and shrinkage deformation compensating device and mounting method thereof - Google Patents
Deep sea submersible vehicle pressure-resistant body limiting and shrinkage deformation compensating device and mounting method thereof Download PDFInfo
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- CN110271639B CN110271639B CN201910540766.1A CN201910540766A CN110271639B CN 110271639 B CN110271639 B CN 110271639B CN 201910540766 A CN201910540766 A CN 201910540766A CN 110271639 B CN110271639 B CN 110271639B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B3/00—Hulls characterised by their structure or component parts
- B63B3/13—Hulls built to withstand hydrostatic pressure when fully submerged, e.g. submarine hulls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
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- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
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- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
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Abstract
The deep sea submersible pressure body limiting and shrinkage deformation compensating device comprises a pressure body, outer rib panels are arranged on the outer circumferential surface of the pressure body in parallel at intervals, a non-pressure-resistant structure is sleeved with one outer rib panel at intervals, an inner panel perpendicular to the non-pressure-resistant structure extends from the bottom of the non-pressure-resistant structure, the inner panel and the outer rib panels are arranged in parallel at intervals, a plurality of compensating devices are welded between the inner panel and the outer rib panels, and the plurality of compensating devices are uniformly distributed in an annular space between the inner panel and the outer rib panels at intervals. The compensation device is arranged between the pressure-resistant body and the non-pressure-resistant structure, can replace the traditional direct welding connection method between the non-pressure-resistant structure and the pressure-resistant body of the submersible, and can decouple the non-pressure-resistant structure and the pressure-resistant body on a connection boundary, so that the non-pressure-resistant structure is prevented from being subjected to traction deformation of the pressure-resistant body to generate the strength and stability problems, and the strength problem caused by the fact that the pressure-resistant body cannot be uniformly deformed under the constraint action of the non-pressure-resistant structure can be avoided.
Description
Technical Field
The invention relates to the technical field of compensation devices, in particular to a deep sea submersible pressure body limiting and shrinkage deformation compensation device and an installation method thereof.
Background
The pressure-resistant shell structure of the submersible is required to be light in weight, good in economical efficiency, high in structural benefit and good in reliability. When the submersible is used, the submersible is usually matched with a non-pressure-resistant shell, and a non-pressure-resistant structure of the submersible in the prior art is directly welded with a pressure-resistant body into a whole to provide an installation base for outboard equipment. With the increase of the working depth of the submersible vehicle, the pressure-resistant body has larger radial and longitudinal shrinkage deformation under the deep sea pressure, which leads the longitudinal and transverse non-pressure-resistant structures welded on the pressure-resistant body to be subjected to the traction action, thereby generating the problems of strength and stability and being unfavorable for the ultimate bearing capacity of the pressure-resistant body.
Disclosure of Invention
The applicant provides a deep sea submersible pressure body limiting and shrinkage deformation compensating device and an installation method thereof aiming at the defects in the prior art, so that the shrinkage deformation of the pressure body can be effectively compensated, and the working reliability is good.
The technical scheme adopted by the invention is as follows:
the deep sea submersible vehicle pressure-resistant body limiting and shrinkage deformation compensating device comprises a pressure-resistant body, outer rib panels are arranged on the outer circumferential surface of the pressure-resistant body at intervals in parallel, a non-pressure-resistant structure is sleeved with one of the outer rib panels at an interval, an inner panel perpendicular to the non-pressure-resistant structure extends from the bottom of the non-pressure-resistant structure, the inner panel and the outer rib panels are arranged at intervals in parallel, a plurality of compensating devices are welded between the inner panel and the outer rib panels, and the plurality of compensating devices are uniformly distributed in an annular space between the inner panel and the outer rib panels at intervals.
As a further improvement of the above technical solution:
the structure of the single compensation device is as follows: comprises an integrated fixed part and an integrated sliding part,
the fixing part has the following structure: the fixing component comprises trapezoidal plates which are arranged in parallel at intervals, wherein a wedge block is transversely arranged between the two trapezoidal plates, so that the section of the whole fixing component is in an H shape, an inclined surface is formed on the inner side of the wedge block, and the inclined surface and the trapezoidal plates at the two ends of the inclined surface form an L-type wedge-shaped groove;
the sliding component has the following structure: the L-type U-shaped hinge comprises a bottom plate, wherein two ends of the bottom plate respectively extend downwards to form a stop block, and the bottom plate and the two stop blocks form an L-type L structure and are matched with a wedge-shaped groove of a fixing part;
the sliding component is integrally arranged in the wedge-shaped groove of the fixed component, and the bottom plate of the sliding component slides back and forth along the inclined surface.
And a modified polytetrafluoroethylene lubricating layer is coated in the wedge-shaped groove of the fixing component.
The bottoms of the two stop blocks of the sliding component are welded with the outer rib panel.
The top surfaces of the two trapezoidal plates of the fixing part are welded with the inner panel.
The shape of the stop block is trapezoidal.
The inclined directions of the inclined plane and the bottom plate are consistent with the shrinkage deformation direction of the pressure-resistant body at the mounting position in the submergence process.
A method for installing a deep sea submersible pressure body limiting and shrinkage deformation compensating device comprises the following steps:
the first step is as follows: a plurality of sliding components are welded on an outer rib panel of the pressure-resistant body at equal intervals along the circumferential direction;
the second step is that: assembling and positioning the pressure-resistant body and the non-pressure-resistant structure by using a positioning device to ensure positioning accuracy;
the third step: coating a modified polytetrafluoroethylene lubricating layer in the wedge-shaped groove of the fixed part;
the fourth step: mounting the fixed component on the sliding component, and connecting the fixed component and the sliding component in a matching way to ensure that the inclined surface of the fixed component is attached to the bottom plate;
the fifth step: a welding gap is reserved between the fixing part and the inner panel;
and a sixth step: fixing the sliding part and the fixed part by adopting a tool;
the seventh step: completing the welding work between the fixing part and the inner panel;
eighth step: dismantling the tool in the sixth step;
the ninth step: and removing the positioning device in the second step.
The invention has the following beneficial effects:
the invention has compact and reasonable structure and convenient operation, can replace the traditional direct welding connection method between the submersible non-pressure-resistant structure and the pressure-resistant body by skillfully designing the compensation device between the pressure-resistant body and the non-pressure-resistant structure, and can decouple the non-pressure-resistant structure and the pressure-resistant body on the connection boundary, thereby preventing the non-pressure-resistant structure from being subjected to the traction deformation of the pressure-resistant body to generate the strength and stability problems, and also avoiding the strength problem caused by the fact that the pressure-resistant body cannot be uniformly deformed under the constraint action of the non-pressure-resistant structure.
Meanwhile, the invention also has the following advantages:
(1) the radial and longitudinal shrinkage deformation of the pressure-resisting body in the submergence process is compensated through the relative sliding of the sliding part and the fixed part;
(2) the sliding surfaces of the sliding component and the fixed component are parallel to the shrinkage deformation direction of the pressure-resistant body shell plate at the position in the submergence process, so that the sliding component and the fixed component are always kept in fit in the sliding process;
(3) the wedge-shaped groove of the fixed part is coated with a modified polytetrafluoroethylene lubricating layer, so that the sliding friction force of the sliding part relative to the fixed part is reduced;
(4) the fixed component limits the movement of the sliding component along the annular direction of the pressure-resistant body, the plurality of compensation devices arranged in the annular direction integrally limit the longitudinal, radial and annular movements of the pressure-resistant body relative to the non-pressure-resistant structure, a three-way force transmission channel between the pressure-resistant body and the non-pressure-resistant structure is reserved, and the strength and rigidity of the integral structure in the service process of the submersible vehicle are ensured.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of another embodiment of the present invention.
FIG. 3 is a schematic structural diagram of the compensating device of the present invention.
Fig. 4 is a schematic structural diagram of the compensation device of the present invention when sliding occurs.
Fig. 5 is a schematic structural view of the fixing member of the present invention.
Fig. 6 is a schematic view of the structure of the sliding member of the present invention.
FIG. 7 is a schematic structural view of the compressive member of the present invention undergoing shrinkage deformation.
Wherein: 1. a pressure-resistant body; 2. an outer rib panel; 3. a non-voltage-withstanding structure; 4. a compensation device; 5. an inner panel; 6. a fixing member; 7. a modified polytetrafluoroethylene lubricating layer; 8. a sliding member;
601. a trapezoidal plate; 602. a wedge block; 603. a bevel;
801. a base plate; 802. and a stop block.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1-6, the deep sea submersible vehicle pressure-resistant body limiting and shrinkage deformation compensating device of the present embodiment includes a pressure-resistant body 1, outer rib panels 2 are arranged in parallel at intervals on an outer circumferential surface of the pressure-resistant body 1, a non-pressure-resistant structure 3 is sleeved at an interval with one of the outer rib panels 2, an inner panel 5 perpendicular to the non-pressure-resistant structure 3 extends from a bottom of the non-pressure-resistant structure 3, the inner panel 5 is arranged in parallel with the outer rib panels 2 at intervals, a plurality of compensating devices 4 are welded between the inner panel 5 and the outer rib panels 2, and the plurality of compensating devices 4 are uniformly distributed in an annular space between the inner panel 5 and the outer rib panels 2 at intervals.
The structure of the single compensation device 4 is: comprising an integral fixed part 6 and an integral sliding part 8,
the fixing member 6 has a structure in which: the fixing component comprises trapezoidal plates 601 which are arranged in parallel at intervals, a wedge block 602 is transversely arranged between the two trapezoidal plates 601, so that the section of the whole fixing component 6 is in an H shape, an inclined surface 603 is formed on the inner side of the wedge block 602, and the inclined surface 603 and the trapezoidal plates 601 at the two ends form a reversed L-shaped wedge-shaped groove;
the structure of the slide member 8 is: the L-type L-shaped structure comprises a bottom plate 801, wherein two ends of the bottom plate 801 respectively extend downwards to form a stop block 802, the bottom plate 801 and the two stop blocks 802 form an L-type L structure, and the L-type L structure is matched with a wedge-shaped groove of a fixing part 6;
the sliding member 8 is integrally fitted into the wedge-shaped groove of the fixed member 6, and the bottom plate 801 of the sliding member 8 slides back and forth along the inclined surface 603.
The wedge-shaped groove of the fixing component 6 is internally coated with a modified polytetrafluoroethylene lubricating layer 7.
The bottoms of the two stops 802 of the slide member 8 are welded to the outer rib panel 2.
The top surfaces of the two trapezoidal plates 601 of the fixing member 6 are welded to the inner panel 5.
The stop 802 is trapezoidal in shape.
The inclined surfaces 603 and the bottom plate 801 are inclined in the same direction as the direction of shrinkage deformation of the pressure-resistant body 1 at the mounting position during submergence.
The installation method of the deep sea submersible pressure body limiting and shrinkage deformation compensating device comprises the following steps:
the first step is as follows: a plurality of sliding components 8 are welded on the outer rib panel 2 of the pressure-resistant body 1 at equal intervals along the circumferential direction;
the second step is that: assembling and positioning the pressure-resistant body 1 and the non-pressure-resistant structure 3 by using a positioning device to ensure positioning accuracy;
the third step: coating a modified polytetrafluoroethylene lubricating layer 7 in a wedge-shaped groove of the fixing part 6;
the fourth step: the fixed component 6 is arranged on the sliding component 8, and the fixed component and the sliding component are matched and connected, and the inclined surface 603 and the bottom plate 801 are attached;
the fifth step: a welding gap is reserved between the fixing part 6 and the inner panel 5;
and a sixth step: fixing the sliding part 8 and the fixed part 6 by adopting a tool;
the seventh step: completing the welding work between the fixing part 6 and the inner panel 5;
eighth step: dismantling the tool in the sixth step;
the ninth step: and removing the positioning device in the second step.
As shown in fig. 7, the radial and longitudinal shrinkage deformations of the pressure body 1 increase linearly with increasing depth of penetration within the elastic range, so that the displacement path of a point on the shell plate of the pressure body 1 during the shrinkage deformation of the pressure body 1 is a straight line at an angle to the axis of the column shell.
In the actual construction process of the submersible, firstly, a series of sliding components 8 are welded on the outer rib panel 2 of the pressure-resistant body 1 at equal intervals along the circumferential direction; then assembling and positioning the pressure-resistant body 1 and the non-pressure-resistant structure 3; after the positioning accuracy is ensured, a modified polytetrafluoroethylene lubricating layer 7 is coated in the wedge-shaped groove of the fixed part 6, the wedge-shaped groove is matched and connected with the sliding part 8, the wedge-shaped groove and the sliding part are attached, and a certain welding gap is reserved between the fixed part 6 and the inner panel 5; the sliding part 8 and the fixed part 6 are fixed by adopting a tool, so that a gap between the sliding part and the fixed part caused by welding shrinkage deformation is prevented; and finally, the welding work between the fixing member 6 and the inner panel 5 is completed.
When the pressure body 1 generates radial and longitudinal shrinkage deformation, the sliding part 8 generates relative sliding relative to the modified polytetrafluoroethylene lubricating layer 7 on the fixed part 6, the components of the sliding distance in the radial and longitudinal directions are the same as the radial and longitudinal shrinkage deformation of the pressure body 1 at the position, so that the traction influence of the deformation of the pressure body 1 on the non-pressure-resistant structure 3 is avoided, the sliding part 8 and the fixed part 6 are kept in tight fit all the time, the longitudinal force, the radial force and the circumferential force applied to the pressure body 1 and the non-pressure-resistant structure 3 can be still transmitted through the compensating device 4, and the strength and the rigidity of the whole structure are ensured.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (7)
1. The utility model provides a spacing and shrinkage deformation compensation arrangement of withstand voltage body of deep sea submersible vehicle which characterized in that: the pressure-resistant structure comprises a pressure-resistant body (1), outer rib panels (2) are arranged on the outer circumferential surface of the pressure-resistant body (1) at intervals in parallel, a non-pressure-resistant structure (3) is sleeved on one outer rib panel (2) at intervals, an inner panel (5) perpendicular to the non-pressure-resistant structure is extended from the bottom of the non-pressure-resistant structure (3), the inner panel (5) and the outer rib panels (2) are arranged at intervals in parallel, a plurality of compensation devices (4) are welded between the inner panel (5) and the outer rib panels (2), and the plurality of compensation devices (4) are uniformly distributed in an annular space between the inner panel (5) and the outer rib panels (2) at intervals; the structure of the single compensating device (4) is as follows: comprises an integrated fixed part (6) and an integrated sliding part (8),
the fixing part (6) has the following structure: the L-shaped wedge-shaped groove is characterized by comprising trapezoidal plates (601) which are arranged in parallel at intervals, wherein a wedge block (602) is transversely arranged between the two trapezoidal plates (601), so that the cross section of the whole fixing part (6) is H-shaped, an inclined surface (603) is formed on the inner side of the wedge block (602), and the inclined surface (603) and the trapezoidal plates (601) at the two ends of the inclined surface form an L-L;
the sliding member (8) has a structure in which: the L-type U-L-shaped U-shaped structure comprises a bottom plate (801), wherein two ends of the bottom plate (801) are respectively provided with a stop block (802) in a downward extending mode, the bottom plate (801) and the two stop blocks (802) form an L-shaped structure, and the L-shaped U-shaped structure is matched with a wedge-shaped groove of a fixing part (6);
the sliding component (8) is integrally arranged in the wedge-shaped groove of the fixed component (6), and the bottom plate (801) of the sliding component (8) slides back and forth along the inclined surface (603).
2. The deep sea submersible pressure body limiting and shrinkage deformation compensating device of claim 1, wherein: and a modified polytetrafluoroethylene lubricating layer (7) is coated in the wedge-shaped groove of the fixing component (6).
3. The deep sea submersible pressure body limiting and shrinkage deformation compensating device of claim 1, wherein: the bottoms of the two stop blocks (802) of the sliding component (8) are welded with the outer rib panel (2).
4. The deep sea submersible pressure body limiting and shrinkage deformation compensating device of claim 1, wherein: the top surfaces of the two trapezoidal plates (601) of the fixing part (6) are welded with the inner panel (5).
5. The deep sea submersible pressure body limiting and shrinkage deformation compensating device of claim 1, wherein: the stop block (802) is trapezoidal in shape.
6. The deep sea submersible pressure body limiting and shrinkage deformation compensating device of claim 1, wherein: the inclined direction of the inclined surface (603) and the bottom plate (801) is consistent with the shrinkage deformation direction of the pressure-resistant body (1) at the mounting position in the submergence process.
7. The installation method of the deep sea submersible pressure body limiting and shrinkage deformation compensating device of claim 1, characterized by comprising the following steps: the method comprises the following steps:
the first step is as follows: a plurality of sliding components (8) are welded on an outer rib panel (2) of the pressure-resistant body (1) at equal intervals along the circumferential direction;
the second step is that: assembling and positioning the pressure-resistant body (1) and the non-pressure-resistant structure (3) by using a positioning device to ensure positioning accuracy;
the third step: coating a modified polytetrafluoroethylene lubricating layer (7) in a wedge-shaped groove of the fixed part (6);
the fourth step: the fixed component (6) is arranged on the sliding component (8), and the fixed component and the sliding component are matched and connected, and the inclined surface (603) of the fixed component and the sliding component are attached to the bottom plate (801);
the fifth step: a welding gap is reserved between the fixing part (6) and the inner panel (5);
and a sixth step: fixing the sliding part (8) and the fixed part (6) by adopting a tool;
the seventh step: completing the welding work between the fixing part (6) and the inner panel (5);
eighth step: dismantling the tool in the sixth step;
the ninth step: and removing the positioning device in the second step.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910540766.1A CN110271639B (en) | 2019-06-21 | 2019-06-21 | Deep sea submersible vehicle pressure-resistant body limiting and shrinkage deformation compensating device and mounting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910540766.1A CN110271639B (en) | 2019-06-21 | 2019-06-21 | Deep sea submersible vehicle pressure-resistant body limiting and shrinkage deformation compensating device and mounting method thereof |
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| CN110271639B true CN110271639B (en) | 2020-07-07 |
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| CN110901852A (en) * | 2019-12-06 | 2020-03-24 | 泛海海工(山东)智能装备有限公司 | Skeleton connection method of thermoplastic polymer ship |
| CN111674532B (en) * | 2020-06-18 | 2021-12-24 | 中国船舶科学研究中心 | Assembled internal liquid tank in pressure-resistant annular rib cylindrical shell of deep sea equipment |
| GB2596808B (en) * | 2020-07-06 | 2023-12-06 | Bae Systems Plc | A method of manufacturing a pressure vessel |
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