Supporting mechanism for repairing welding position of stud in LNG film cabin

Abstract

The utility model discloses a supporting mechanism for repairing a stud welding position in an LNG film cabin, and relates to the field of ship building construction, the supporting mechanism comprises a cabin plate and studs, the outer surface of the cabin plate is fixedly provided with uniform studs, the outer surface of the studs is movably provided with a protective shell, the outer surface of the cabin plate is fixedly provided with uniform suction cups, and the protective shell is movably provided with the suction cups. A telescopic mechanism for fixing and supporting is arranged between the protective shell and the suction cup; a groove is formed in the inner side face of the protective shell, a fixing disc is movably connected to the outer surface of the cabin plate in an abutting mode, and a sliding mechanism is arranged between the protective shell and the fixing disc. According to the supporting mechanism for repairing the welding position of the stud in the LNG film cabin, the connecting disc is manually pressed to stretch out and draw back, the connecting disc drives the driving rod to conduct transmission, so that the gravity during downward pressing is relieved, the supporting force of the supporting disc is increased, the movable block is limited through the groove, the movable block is prevented from falling off, the movable block is used for fixing the connecting disc, and the fixity of the protective shell is improved.

Description

Technical Field

[0001] The utility model relates to the field of ship construction, in particular to a supporting mechanism for repairing a stud welding position in an LNG membrane cabin. Background Art

[0002] LNG is the abbreviation of liquefied natural gas, which is a colorless and odorless gas mainly composed of methane. LNG membrane tank is a device for transporting and storing natural gas. The membrane tank is welded by studs, and waterproof dye is sprayed on the welding place by spraying equipment to ensure that moisture cannot enter the membrane tank.

[0003] In the prior art, a Chinese patent with the announcement number CN205191106U discloses a support leg for a membrane-type LNG ship containment system installation platform, including a vertically placed support leg body, a coarse adjustment device, a fine adjustment device and a base seated on the bottom of the inner cabin; the coarse adjustment device includes a support leg body, a sleeve and a latch, and the support leg body and the sleeve are provided with limit holes; the fine adjustment device uses an arc support structure, including a nut structure, a stud structure, a handle, a cover plate, an arc support, and an oil groove; wherein the nut structure is fixed to the bottom of the support leg body and is connected to the stud structure by threads, the stud structure is provided with two symmetrically arranged handles, the bottom of the stud structure has an arc support, the oil groove is installed in the support leg base, and the cover plate is installed on the oil groove. Without changing the working performance, the operation is made more convenient and the structure is subjected to less stress.

[0004] The above device uses a stud structure and a nut structure to threadedly connect for height adjustment during use. However, the bottom of the stud structure in the above device adopts an arc support structure, and the support force is uneven. Therefore, in actual use, the stud structure may be bent and broken due to excessive force. Utility Model Content

[0005] The utility model aims to provide a support mechanism for repairing the stud welding in an LNG membrane tank, so as to solve the problem of poor support effect of the stud structure in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a support mechanism for repairing stud welding in an LNG membrane tank, comprising a tank plate and studs, wherein the outer surface of the tank plate is fixedly provided with uniform studs, and further comprising:

[0007] A protective shell is movably mounted on the outer surface of the stud, a uniform suction cup is fixedly mounted on the outer surface of the cabin plate, and a fixedly supported telescopic mechanism is provided between the protective shell and the suction cup;

[0008] A groove is provided on the inner side of the protective shell, a fixed plate is movably abutted against the outer surface of the cabin plate, and a sliding mechanism is provided between the protective shell and the fixed plate.

[0009] Furthermore, a connecting rod is fixedly mounted on the inner side surface of the suction cup, and the connecting rod is movably mounted on the inner side surface of the supporting plate, and a clamping structure is formed between the supporting plate and the connecting rod.

[0010] Furthermore, a limiting groove is fixedly installed on the outer surface of the support plate, a rotating rod is rotatably installed on the inner side of the limiting groove, and a connecting rod 1 is fixedly installed on the outer surface of the rotating rod, and a driving rod is fixedly installed on the inner side of the connecting rod 1.

[0011] Furthermore, a second connecting rod is rotatably mounted on the outer surface of the driving rod, and a rolling rod is fixedly mounted on the inner side surface of the second connecting rod, and a transmission structure is formed between the rolling rod and the driving rod.

[0012] Furthermore, the telescopic mechanism includes a protective shell, an inner side surface of the protective shell is movably abutted with a movable block, and an outer surface of the movable block is fixedly mounted with a connecting disk, a limiting member is fixedly mounted on the outer surface of the connecting disk, and a rolling rod is rotatably mounted on the inner side surface of the limiting member, and a telescopic structure is formed between the connecting disk and the rolling rod.

[0013] Furthermore, the sliding mechanism includes a fixed plate, and a protective shell is movably penetrated horizontally on the inner side of the fixed plate, a groove is opened on the inner side of the protective shell, and a movable block is movably abutted on the inner side of the groove, and a sliding structure is formed between the movable block and the protective shell.

[0014] Furthermore, a slot is provided on the inner side of the support plate, a fixed plate is movably mounted on the inner side of the support plate, a uniform spraying port is provided on the inner side of the fixed plate, and a clamping structure is formed between the fixed plate and the support plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The specific contents of the support mechanism for repairing the stud welding in the LNG membrane tank are as follows:

[0017] 1. The connecting plate is manually pressed to expand and contract, and the connecting plate drives the driving rod to transmit, thereby alleviating the gravity during downward pressure, increasing the supporting force of the supporting plate, and limiting the movable block through the groove to prevent the movable block from falling off. The connecting plate is fixed with the movable block to improve the fixity of the protective shell;

[0018] Furthermore, the spray gun is placed through the circular hole of the connecting plate, and the spray gun is fixed by the spray hole of the fixing plate, so that the spray gun is kept horizontal during spraying, and the stud welding position is sprayed evenly.

[0019] 2. Remove the fixed disk from the supporting disk by manually rotating the fixed disk, which is convenient for cleaning and replacement of the fixed disk after spraying, thereby achieving the purpose of improving the quality of spraying;

[0020] Furthermore, the driving rod is used to drive the connecting rod 1 and the connecting rod 2 to telescopically move, thereby facilitating the adjustment of the distance of the spray gun and improving the construction efficiency of the spraying. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the cross-sectional structure of the support plate of the utility model;

[0023] Figure 3 This is a schematic diagram of the three-dimensional structure of the connection disk of the utility model;

[0024] Figure 4 This is a schematic diagram of the three-dimensional structure of the protective shell of the utility model;

[0025] Figure 5 This is a schematic diagram of the cross-sectional structure of the driving rod of the utility model;

[0026] Figure 6 It is a schematic diagram of the three-dimensional structure of the limiting member of the utility model.

[0027] In the figure: 1. Cabin plate; 2. Stud; 3. Support plate; 4. Suction cup; 5. Connecting rod; 6. Fixed plate; 7. Limiting groove; 8. Rotating rod; 9. Connecting rod one; 10. Driving rod; 11. Connecting rod two; 12. Rolling rod; 13. Connecting plate; 14. Movable block; 15. Limiting piece; 16. Groove; 17. Protective shell. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Embodiment 1

[0029] See also Figure 1-Figure 6The present invention provides the following technical solutions: a support mechanism for repairing stud welding in an LNG membrane tank, comprising a cabin plate 1 and a stud 2, wherein the outer surface of the cabin plate 1 is fixedly mounted with uniform studs 2, and further comprising: a protective shell 17 is movably mounted on the outer surface of the stud 2, a uniform suction cup 4 is fixedly mounted on the outer surface of the cabin plate 1, and a fixedly supported telescopic mechanism is arranged between the protective shell 17 and the suction cup 4; a groove 16 is provided on the inner side surface of the protective shell 17, a fixed disk 6 is movably abutted against the outer surface of the cabin plate 1, and a sliding mechanism is arranged between the protective shell 17 and the fixed disk 6.

[0030] The protective shell 17 and the cabin plate 1 are fixed by the suction cup 4 to increase the supporting force of the stud 2, and the telescopic mechanism between the protective shell 17 and the suction cup 4 is used to adjust the height to disperse the gravity on the protective shell 17, and the sliding mechanism is limited by the groove 16 to prevent it from falling off during movement. Embodiment 2

[0031] On the basis of embodiment one, a support plate 3 is also disclosed, and its specific structure is as follows: a connecting rod 5 is fixedly installed on the inner side surface of the suction cup 4, and the connecting rod 5 is movably installed on the inner side surface of the support plate 3, and a clamping structure is formed between the support plate 3 and the connecting rod 5, and a limiting groove 7 is fixedly installed on the outer surface of the support plate 3, a rotating rod 8 is rotatably installed on the inner side surface of the limiting groove 7, and a connecting rod 1 9 is fixedly installed on the outer surface of the rotating rod 8, a driving rod 10 is fixedly installed on the inner side surface of the connecting rod 1 9, a connecting rod 2 11 is rotatably installed on the outer surface of the driving rod 10, and a rolling rod 12 is fixedly installed on the inner side surface of the connecting rod 2 11, and a transmission structure is formed between the rolling rod 12 and the driving rod 10.

[0032] The protective shell 17 and the cabin plate 1 are fixed by the suction cup 4, and the connecting rod 5 is engaged in the inside of the support plate 3, so that the suction cup 4 can be replaced after being damaged. The rolling rod 12 is driven by human pressure, and the rolling rod 12 drives the connecting rod 2 11 to extend and retract, and the connecting rod 2 11 drives the driving rod 10 to transmit, and the driving rod 10 drives the connecting rod 1 9 to extend and retract, and the connecting rod 1 9 drives the rotating rod 8 to rotate, thereby dispersing the downward pressure of gravity and increasing the supporting force of the support plate 3. Embodiment 3

[0033] On the basis of embodiment one, a connecting disk 13 is also disclosed, and its specific structure is as follows: the telescopic mechanism includes a protective shell 17, the inner side surface of the protective shell 17 is movably abutted with a movable block 14, and the outer surface of the movable block 14 is fixedly installed with the connecting disk 13, the outer surface of the connecting disk 13 is fixedly installed with a limiting member 15, and the inner side surface of the limiting member 15 is rotatably installed with a rolling rod 12, and a telescopic structure is formed between the connecting disk 13 and the rolling rod 12, the sliding mechanism includes a fixed disk 6, and the inner side surface of the fixed disk 6 horizontally penetrates the protective shell 17, the inner side surface of the protective shell 17 is provided with a groove 16, and the inner side surface of the groove 16 is movably abutted with the movable block 14, and a sliding structure is formed between the movable block 14 and the protective shell 17, the inner side surface of the supporting disk 3 is provided with a slot hole, the inner side surface of the supporting disk 3 is movably installed with the fixed disk 6, and the inner side surface of the fixed disk 6 is provided with a uniform spraying port, and a clamping structure is formed between the fixed disk 6 and the supporting disk 3.

[0034] The spray gun is placed through the circular hole opened in the connecting plate 13, and the connecting plate 13 is manually pushed for adjustment, so that the spray gun is adjusted to a suitable position, and the circular hole opened in the fixing plate 6 is used to fix the spray gun, so that the spray gun remains horizontal and motionless during spraying, and the edge of the stud 2 is sprayed evenly, and the protective shell 17 is used to prevent the paint from being sprayed onto the stud 2, and the movable block 14 is limited by the groove 16 to prevent the movable block 14 from falling off when the connecting plate 13 is pressed down, and the fixing plate 6 is manually rotated to remove the fixing plate 6 from the supporting plate 3, so that the fixing plate 6 can be cleaned and replaced conveniently after spraying.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A support mechanism for repairing stud welding in an LNG membrane tank, comprising a tank plate (1) and studs (2), wherein the outer surface of the tank plate (1) is fixedly provided with uniform studs (2), characterized in that: Also includes: A protective shell (17) is movably mounted on the outer surface of the stud (2), a uniform suction cup (4) is fixedly mounted on the outer surface of the cabin plate (1), and a fixedly supported telescopic mechanism is provided between the protective shell (17) and the suction cup (4); The inner side surface of the protective shell (17) is provided with a groove (16), the outer surface of the cabin plate (1) is movably abutted against a fixed disk (6), and a sliding mechanism is provided between the protective shell (17) and the fixed disk (6).

2. The supporting mechanism for repairing stud welding in LNG membrane tank according to claim 1, characterized in that: A connecting rod (5) is fixedly mounted on the inner side surface of the suction cup (4), and the connecting rod (5) is movably mounted on the inner side surface of the support plate (3), and a snap-fit ​​structure is formed between the support plate (3) and the connecting rod (5).

3. The supporting mechanism for repairing stud welding in LNG membrane tank according to claim 2, characterized in that: A limiting groove (7) is fixedly mounted on the outer surface of the support plate (3); a rotating rod (8) is rotatably mounted on the inner side surface of the limiting groove (7); a connecting rod (9) is fixedly mounted on the outer surface of the rotating rod (8); and a driving rod (10) is fixedly mounted on the inner side surface of the connecting rod (9).

4. The supporting mechanism for repairing stud welding in LNG membrane tank according to claim 3 is characterized in that: A second connecting rod (11) is rotatably mounted on the outer surface of the driving rod (10), and a rolling rod (12) is fixedly mounted on the inner side surface of the second connecting rod (11), and a transmission structure is formed between the rolling rod (12) and the driving rod (10).

5. The supporting mechanism for repairing stud welding in LNG membrane tank according to claim 1, characterized in that: The telescopic mechanism comprises a protective shell (17), the inner side surface of the protective shell (17) being movably abutted against a movable block (14), the outer surface of the movable block (14) being fixedly mounted with a connecting disk (13), the outer surface of the connecting disk (13) being fixedly mounted with a limiting member (15), the inner side surface of the limiting member (15) being rotatably mounted with a rolling rod (12), and a telescopic structure being formed between the connecting disk (13) and the rolling rod (12).

6. The supporting mechanism for repairing stud welding in LNG membrane tank according to claim 1, characterized in that: The sliding mechanism comprises a fixed disk (6), and a protective shell (17) is movably penetrated horizontally through the inner side surface of the fixed disk (6), a groove (16) is provided on the inner side surface of the protective shell (17), and a movable block (14) is movably abutted against the inner side surface of the groove (16), and a sliding structure is formed between the movable block (14) and the protective shell (17).

7. The supporting mechanism for repairing stud welding in LNG membrane tank according to claim 2, characterized in that: The inner side surface of the support plate (3) is provided with a slotted hole, the inner side surface of the support plate (3) is movably provided with a fixed plate (6), the inner side surface of the fixed plate (6) is provided with uniform spraying ports, and a snap-fit ​​structure is formed between the fixed plate (6) and the support plate (3).

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