A telescopic push-welded seal structure and a base manufacturing method thereof

Abstract

The application provides a telescopic push welding seal structure and a base manufacturing method thereof. The seal structure comprises a telescopic push, a telescopic push lower base panel, a telescopic push lower base seal plate, an access hole, an epoxy pad and a ship base deck. The seal is formed by welding the telescopic push lower base seal plate below the telescopic push lower base panel and welding the ship base deck, instead of the traditional rubber O-shaped seal ring and rubber omega-shaped seal ring seal form, to realize the water tightness of the large-size telescopic push lower base. The welding seal structure provided by the application has a long service life and does not need to be maintained frequently. The requirement for the levelness of the ship base panel during manufacturing is low, the construction difficulty is reduced, the construction period is shortened and the construction cost is saved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of installation of large equipment on ships, and particularly relates to a telescopic push welding seal structure and a base manufacturing method thereof. BACKGROUND

[0002] In order to improve the dynamic positioning capability, some ships are installed with telescopic propellers (referred to as telescopic pushes). The telescopic push is divided into an in-cabin part and an underwater part. In general, a rubber O-shaped sealing ring or a rubber omega-shaped sealing ring is used at the flange surface of the telescopic push lower base to achieve water tightness. However, this sealing type has the following shortcomings:

[0003] 1. When the size of the flange surface of the telescopic push lower base is too large, the planeness and levelness requirements of the flange surface cannot be met by machining, so that the rubber O-shaped sealing ring or the rubber omega-shaped sealing ring cannot achieve water tightness.

[0004] 2. The service life of the rubber O-shaped sealing ring and the rubber omega-shaped sealing ring is short, and they need to be replaced regularly.

[0005] 3. If the machining surface of the rubber O-shaped sealing ring and the rubber omega-shaped sealing ring is not anticorrosive, sealing leakage will occur. SUMMARY

[0006] To solve the above technical problems, the present application provides a telescopic push welding seal structure and a base manufacturing method thereof. By adopting a welding seal type instead of the traditional rubber O-shaped sealing ring and rubber omega-shaped sealing ring sealing form, water tightness of the telescopic push lower base is achieved, and the reliability and service life of the seal are improved.

[0007] The purpose of the present application is achieved by the following technical scheme, a telescopic push welding seal structure, comprising a telescopic push, a telescopic push lower base panel, a telescopic push lower base sealing plate, an access hole, an epoxy pad and a ship base deck.

[0008] The telescopic push is vertically installed on the ship base.

[0009] The telescopic push lower base panel is a square steel plate.

[0010] The telescopic push lower base sealing plate is arranged below the telescopic push lower base panel.

[0011] The telescopic push lower base sealing plate is welded with the ship base deck.

[0012] The access hole is arranged at the lower half of the ship base web, and is used for removing the welding slag at the welding position of the telescopic push lower base sealing plate and the ship base deck and for re-painting.

[0013] The epoxy pad is located between the ship base panel and the telescopic push lower base panel, and is fixed by bolts, and is used for transmitting the gravity of the telescopic push to the ship base.

[0014] Preferably, the telescopic push lower base sealing plate is a square well, which is welded below the telescopic push lower base panel during telescopic push production.

[0015] Preferably, the telescopic push lower base sealing plate has a certain excess amount in the height direction during blanking.

[0016] Preferably, the welding groove is opened at the welding position of the telescopic push lower base sealing plate and the ship base deck during blanking.

[0017] Preferably, the thickness of the telescopic push lower base sealing plate is 12-30 mm.

[0018] Preferably, the telescopic push lower base panel and the ship base panel should be cleaned before telescopic push hoisting.

[0019] Preferably, the welding position of the telescopic push lower base sealing plate and the ship base deck is full penetration type.

[0020] Preferably, appropriate ship base knees are arranged between the manholes.

[0021] Preferably, the epoxy pads can be divided into appropriate small pieces according to the arrangement of the bolts.

[0022] In addition to providing a telescopic push welding form sealing structure, the application further provides a base manufacturing method with the telescopic push welding form sealing structure, which specifically comprises the following steps:

[0023] S1: welding the telescopic push lower base sealing plate below the telescopic push lower base panel during telescopic push production.

[0024] S2: opening manholes in the lower half of the ship base web during ship base production.

[0025] S3: determining the height of the telescopic push lower base sealing plate according to the thickness of the epoxy pad and the height of the ship base, and cutting the excess amount before hoisting the telescopic push.

[0026] S4: cleaning the telescopic push lower base panel and the ship base panel before hoisting the telescopic push.

[0027] S5: hoisting the telescopic push and adjusting the level.

[0028] S6: welding the telescopic push lower base sealing plate and the ship base deck by full penetration type, controlling the welding deformation during the welding process, and conducting flaw detection after the welding is completed.

[0029] S7: removing the welding slag at the welding position of the telescopic push lower base sealing plate and the ship base deck and repainting through the manholes after the welding is completed.

[0030] S8: pouring the epoxy pad between the hull base panel and the retractable push lower base panel, and fixing the hull base panel, the epoxy pad and the retractable push lower base panel through bolts after the epoxy pad hardens, to complete the manufacturing of the retractable push base with the welded sealing structure.

[0031] Compared with the prior art, the present application has the following advantages:

[0032] The present application provides a retractable push welded sealing structure and a base manufacturing method thereof, which welds a retractable push lower base sealing plate below the retractable push lower base panel, and further welds the retractable push lower base sealing plate with the hull base deck, to form a sealing structure, instead of the traditional rubber O-shaped sealing ring and rubber omega-shaped sealing ring sealing form, to realize the water tightness of the large-size retractable push lower base. Compared with the prior art, the welded sealing structure provided by the present application has a long service life and does not need to be maintained frequently, and the requirement for the levelness of the hull base panel during manufacturing is low, which reduces the construction difficulty, shortens the construction period and saves the construction cost. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 It is the overall layout of the retractable push in the present application;

[0034] Figure 2 It is the installation detail drawing of the welded sealing structure of the retractable push in the present application;

[0035] Figure 3 It is the installation detail drawing of the welded sealing structure of the retractable push in the present application;

[0036] Figure 4 It is the detail drawing of the hull base in the present application;

[0037] Figure 5 It is the installation flow chart of the welded sealing structure of the retractable push in the present application.

[0038] In the drawings, 1 is a retractable push; 2 is a retractable push lower base panel; 3 is a retractable push lower base sealing plate; 4 is an access hole; 5 is an epoxy pad; 6 is a hull base; 7 is a hull base deck; 8 is a hull base web; 9 is a hull base panel; 10 is a bolt; and 11 is a hull base knee. DETAILED DESCRIPTION

[0039] The present application will be further described in detail below in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, for the convenience of description, only the parts related to the present application are shown in the drawings, but not all the structures.

[0040] As Figures 1 to 2As shown, the technical scheme of the present application provides a telescopic push welding type sealing structure, which comprises a telescopic push 1, a telescopic push lower base panel 2, a telescopic push lower base sealing plate 3, an access hole 4, an epoxy pad 5 and a ship body base deck 7.

[0041] The telescopic push 1 is vertically installed on the ship body base 6.

[0042] The telescopic push lower base panel 2 is a square steel plate.

[0043] The telescopic push lower base sealing plate 3 is arranged below the telescopic push lower base panel 2.

[0044] The telescopic push lower base sealing plate 3 is welded with the ship body base deck 7.

[0045] The access hole 4 is arranged in the lower half of the ship body base web plate 8, and is used for removing the welding slag at the welding position of the telescopic push lower base sealing plate 3 and the ship body base deck 7 and for re-painting.

[0046] The epoxy pad 5 is located between the ship body base panel 9 and the telescopic push lower base panel 2, is fixed through a bolt 10, and is used for transmitting the gravity of the telescopic push to the ship body base 6.

[0047] In some embodiments of the present application, the telescopic push lower base sealing plate 3 is a square well, which is welded below the telescopic push lower base panel 2 when the telescopic push 1 is produced.

[0048] In some embodiments of the present application, a certain amount of allowance is left in the height direction of the telescopic push lower base sealing plate 3 when the plate is cut, so as to avoid the problem that the gap between the telescopic push lower base sealing plate 3 and the ship body base deck 7 is too large when the telescopic push lower base panel 2 is adjusted horizontally.

[0049] In some embodiments of the present application, the welding groove is opened at the welding position of the telescopic push lower base sealing plate 3 and the ship body base deck 7 when the plate is cut, so as to facilitate the installation efficiency of the telescopic push 1.

[0050] In some embodiments of the present application, the thickness of the telescopic push lower base sealing plate 3 is 12mm-30mm, which can bear part of the weight of the equipment and increase the stability of the equipment, and reduces the deformation in the welding process.

[0051] In some embodiments of the present application, the telescopic push lower base panel 2 and the ship body base panel 9 should be cleaned before the telescopic push is hoisted.

[0052] In some embodiments of the present application, the welding position of the telescopic push lower base sealing plate 3 and the ship body base deck 7 is a full penetration type.

[0053] As shown in the drawings, Figures 3 to 4As shown, in some embodiments of the present application, appropriate hull base knee 11 is arranged between manhole 4, which ensures that the overall strength of hull base 6 meets the installation requirements of telescopic push 1.

[0054] In some embodiments of the present application, according to the arrangement of bolt 10, epoxy pad 5 can be divided into appropriate number of small pieces.

[0055] As Figure 5 shown, in addition to providing a telescopic push welded form sealing structure in the technical solution of the present application, a base manufacturing method with the above telescopic push welded form sealing structure is further provided, which specifically includes the following steps:

[0056] S1: During the production stage of telescopic push 1, weld telescopic push lower base sealing plate 3 under telescopic push lower base panel 2.

[0057] S2: During the production stage of hull base, open manhole 4 in the lower half of hull base web plate 8.

[0058] S3: According to the thickness of epoxy pad 5 and the height of hull base, determine the height of telescopic push lower base sealing plate 3, and cut the excess amount before hoisting telescopic push 1.

[0059] S4: Before hoisting telescopic push 1, clean the telescopic push lower base panel 2 and the hull base panel 9.

[0060] S5: Hoist telescopic push 1 and adjust the level.

[0061] S6: Weld telescopic push lower base sealing plate 3 and hull base deck 7 with full penetration type, control welding deformation during welding, and perform flaw detection after welding is completed.

[0062] S7: After welding is completed, remove welding slag at the welding position of telescopic push lower base sealing plate 3 and hull base deck 7 through manhole 4 and apply paint.

[0063] S8: Pour the epoxy pad 5 between the hull base panel 9 and the telescopic push lower base panel 2, and after the epoxy pad 5 hardens, fix the hull base panel 9, the epoxy pad 5 and the telescopic push lower base panel 2 through bolt 10, and complete the manufacturing of telescopic push base with welded sealing structure.

[0064] The above is the preferred embodiment of the present application, it should be noted that for ordinary skilled in the art, without departing from the principles of the present application, can make several improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A method of manufacturing a telescopic push base, characterized by: The method is used for manufacturing the telescopic push base with telescopic push sealing structure, which comprises telescopic push (1), telescopic push lower base panel (2), telescopic push lower base sealing plate (3), access hole (4), epoxy pad (5) and hull base deck (7); The telescopic push (1) is vertically installed on the hull base (6); The telescopic push lower base panel (2) is a square steel plate; The telescopic push lower base sealing plate (3) is arranged below the telescopic push lower base panel (2); The telescopic push lower base sealing plate (3) is welded with the hull base deck (7); The access hole (4) is arranged in the lower half of the hull base web (8) and is used for removing the welding slag at the welding position of the telescopic push lower base sealing plate (3) and the hull base deck (7) and for re-painting; The epoxy pad (5) is arranged between the hull base panel (9) and the telescopic push lower base panel (2) and is fixed by the bolt (10) and is used for transmitting the gravity of the telescopic push (1) to the hull base (6); The manufacturing method of the telescopic push base of the sealing structure comprises the following steps: S1: welding the telescopic push lower base sealing plate (3) below the telescopic push lower base panel (2) in the production stage of the telescopic push (1); S2: opening the access hole (4) in the lower half of the hull base web (8) in the production stage of the hull base (6); S3: determining the height of the telescopic push lower base sealing plate (3) according to the thickness of the epoxy pad (5) and the height of the hull base (6) and cutting the excess amount before hoisting the telescopic push (1); S4: cleaning the telescopic push lower base panel (2) and the hull base panel (9) before hoisting the telescopic push (1); S5: hoisting the telescopic push (1) and adjusting the level; S6: adopting the full penetration type to weld the telescopic push lower base sealing plate (3) and the hull base deck (7), controlling the welding deformation in the welding process and performing the flaw detection after the welding is completed; S7: removing the welding slag at the welding position of the telescopic push lower base sealing plate (3) and the hull base deck (7) through the access hole (4) and re-painting after the welding is completed; S8: pouring the epoxy pad (5) between the hull base panel (9) and the telescopic push lower base panel (2), fixing the hull base panel (9), the epoxy pad (5) and the telescopic push lower base panel (2) through the bolt (10) after the epoxy pad (5) is hardened and completing the manufacturing of the telescopic push base with the welded sealing structure.

2. The method of claim 1, wherein: The telescopic push lower base sealing plate (3) is a square well and is welded below the telescopic push lower base panel (2) in the production of the telescopic push (1).

3. The method of claim 1, wherein: A certain excess amount is left in the height direction of the telescopic push lower base sealing plate (3) when it is cut.

4. The method of claim 1, wherein: The welding bevel is opened when the telescopic push lower base sealing plate (3) is cut.

5. The method of claim 1, wherein: The thickness of the telescopic push lower base sealing plate (3) is 12mm-30mm.

6. The method of claim 1, wherein: Between the manholes (4) are provided appropriate hull base knees (11).

7. The method of claim 1, wherein: Depending on the arrangement of the bolts (10), the epoxy pads (5) can be divided into appropriate number of small pieces.

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