Anti-inclination device and method for MARK3 type LNG ship containment system mounting platform

Abstract

The invention discloses an anti-tilt device for an MARK3 type LNG ship containment system mounting platform, the device comprises a support module, a telescopic support module, a guide module and a fine tuning module, the support module is connected with the telescopic support module, the support module is supported on the wall of a cargo hold, and the guide module is connected with the fine tuning module. The telescopic supporting module is connected with a side support of the enclosure system installation platform through the guide module, and the fine adjustment module is installed at one end of the telescopic supporting module. The telescopic supporting module comprises a first supporting pipe and a second supporting pipe, the first supporting pipe is in sliding connection with the second supporting pipe, one end of the first supporting pipe is connected with the supporting module, one end of the second supporting pipe is connected with the fine adjustment module, the supporting module comprises a supporting panel, and the guiding module comprises a front guiding component and a rear guiding component. According to the anti-inclination device, the hinged supporting panels are arranged to adapt to supporting of the cargo compartment walls at different angles, attachment of the anti-inclination device and the cargo compartment walls is improved, and the supporting effect is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of shipbuilding, and in particular relates to an anti-tilting device and method for an installation platform of a containment system of a MARK3 type LNG ship. Background Art

[0002] The LNG carrier tank containment system is an important barrier that allows liquefied natural gas to be safely transported at an extremely low temperature of -163°C and prevents the low temperature from causing brittle damage to the hull steel structure. Its installation platform is a key supporting tooling for LNG carrier construction, with a complex structure and large scale. Whether or not a company has an LNG carrier tank containment system installation platform with independent intellectual property rights has become a key indicator for measuring whether or not it truly possesses the core construction technology of LNG carriers.

[0003] In the construction of MARK3 LNG ships, a cargo hold containment system installation platform weighs about 720 tons. The balance of the installation platform itself is relatively poor. In order to ensure its stability and safety when used in the cargo hold, the present invention, as an anti-tilt device, plays the role of reinforcing the containment system installation platform, and firmly fixes the installation platform in the cargo hold. When the ship floats with the waves, the installation platform is prevented from shifting or tipping over, thereby protecting the safety of construction personnel and ensuring the normal installation of the maintenance system. Summary of the invention

[0004] The purpose of the present invention is to overcome the deficiencies in the above-mentioned prior art and to provide an anti-tilt device and method for a MARK3 type LNG ship containment system installation platform. The device and method of the present invention adapt to the support of cargo hold bulkheads at different angles by arranging hinged support panels, thereby improving the fit between the anti-tilt device and the cargo hold bulkhead and improving the support effect.

[0005] In order to achieve the above invention purpose, the technical solution provided by the present invention is as follows: An anti-tilt device for a MARK3 type LNG ship containment system installation platform, the device comprises a support module, a telescopic support module, a guide module and a fine-tuning module, the support module is connected to the telescopic support module, the support module is supported on the cargo hold bulkhead, the telescopic support module is connected to the side bracket of the containment system installation platform through the guide module, and the fine-tuning module is installed at one end of the telescopic support module; the telescopic support module comprises a first support tube and a second support tube, the first support tube is slidably connected to the second support tube, one end of the first support tube is connected to the support module, and one end of the second support tube is connected to the fine-tuning module, the support module comprises a support panel, the guide module comprises a front guide member and a rear guide member, and the front guide member and the rear guide member are respectively fixed on the side brackets of the containment system installation platform.

[0006] Furthermore, the first support tube is cylindrical in shape as a whole, one end of the first support tube is hingedly connected to the support panel, the other end of the first support tube is inserted into the second support tube, the first support tube slides in the second support tube along the axial direction, and a plurality of positioning holes are provided on the side surface of the first support tube; the support panel is cylindrical in shape as a whole, a support plate is provided on one side of the support panel, and the diameter of the support plate is larger than the diameter of the support panel.

[0007] Furthermore, a first baffle is provided at one end of the first support tube inserted into the second support tube, the first baffle is vertically welded to the side surface of one end of the first support tube, and a second baffle is provided on the end surface of the second support tube close to the first support tube; the first baffle and the second baffle are annular as a whole, the diameter of the first support tube is smaller than the inner diameter of the second baffle, and the outer diameter of the first baffle is larger than the inner diameter of the second baffle.

[0008] Furthermore, the positioning holes include a first positioning hole, a second positioning hole and a third positioning hole, the first positioning hole is the trisection point of the first support tube close to one side of the second support tube, the second positioning hole and the third positioning hole are far away from one side of the second support tube, a second positioning hole is arranged between the third positioning hole and the first positioning hole, the distance between the second positioning hole and the first positioning hole is 270 mm, and the distance between the third positioning hole and the second positioning hole is 100 mm.

[0009] Furthermore, a fixing hole is provided on the side of the second support tube. When the first positioning hole of the first support tube coincides with the fixing hole on the second support tube, the length of the first support tube extending from the second support tube is two-thirds of the length of the first support tube. The first support tube positioning hole and the fixing hole on the second support tube are fixed by a pin.

[0010] Furthermore, the front guide component includes a front fixed plate and a front limit column, two front limit columns are vertically arranged on the end surface of the front fixed plate, the second support tube passes through between the front limit columns, and the front fixed plate is vertically fixedly connected to the side bracket of the enclosure system mounting platform by bolts.

[0011] Furthermore, the rear guide component includes a rear fixing plate, a rear limiting column and a connecting piece, the rear limiting column is vertically arranged on the end surface of the rear fixing plate, a blocking rod is arranged on the upper end of the rear guide column, the second support tube passes through between the rear and front limiting columns, connecting pieces are respectively arranged on the sides of the rear guide column, a connecting hole is arranged at one end of the connecting piece, and the connecting piece is connected to the fine-tuning module through the connecting hole.

[0012] Furthermore, the fine-tuning module includes a connecting plate and a fine-tuning device, connecting holes are provided on both sides of the connecting plate, the connecting plate is connected to the connecting parts through the connecting holes, a bolt hole is provided in the middle of the connecting plate, the fine-tuning device is threadedly connected to the bolt hole, a disc surface is provided at one end of the fine-tuning device, the diameter of the disc surface is larger than the diameter of the fine-tuning device, and when the fine-tuning device rotates, the disc surface is driven to be vertically connected to the end face of the second support tube; the distance that the fine-tuning device pushes the second support tube to move does not exceed 15 cm.

[0013] A method for preventing tilting of a MARK3 type LNG ship containment system installation platform, the method specifically comprising the following steps: S1, prepare an anti-tilt device for a MARK3 type LNG ship containment system installation platform, the device comprising a support module, a telescopic support module, a guide module and a fine-tuning module, the support module is connected to the telescopic support module, the support module is supported on the cargo hold bulkhead, the telescopic support module is connected to the side bracket of the containment system installation platform through the guide module, and the fine-tuning module is installed at one end of the telescopic support module; the telescopic support module comprises a first support tube and a second support tube, the first support tube is slidably connected to the second support tube, one end of the first support tube is connected to the support module, and one end of the second support tube is connected to the fine-tuning module, the support module comprises a support panel, the guide module comprises a front guide member and a rear guide member, and the front guide member and the rear guide member are respectively fixed on the side bracket of the containment system installation platform; S2, installing a front guide member and a rear guide member on the side bracket of the enclosure system installation platform, and installing a second support tube on the front guide member and the rear guide member so that the second support tube is in a horizontal state; S3, adjusting the length of the first support tube extending from the second support tube so that the support panel on the first support tube is close to the cargo hold bulkhead, and the positioning hole on the first support tube coincides with the fixing hole on the second support tube and is fixed with a pin; S4, install the fine-tuning module on the rear guide member, rotate the fine-tuning device to make the disc surface abut against the end face of the second support tube and push the second support tube toward the cargo hold bulkhead, so that the support panel fits with the cargo hold bulkhead, and complete the installation of the anti-tilt device.

[0014] Furthermore, when installing panels and films or moving a welding machine in the cargo hold, the fine-tuner is separated from one side of the connecting piece, the latch is pulled out, the first support tube is retracted toward the second support tube, and then the panels and films are installed or the welding machine is moved; after the installation of the panels and films or the movement of the welding machine is completed, the fine-tuner is reinstalled, and the first support tube is extended from the second support tube, so that the support panel is in contact with the cargo hold bulkhead.

[0015] Based on the above technical solution, the anti-tilt device and method for the installation platform of the MARK3 type LNG ship containment system in the present invention have achieved the following technical advantages through practical application: 1. The anti-tilt device of the MARK3 type LNG ship containment system installation platform of the present invention is provided with a hinged support panel to adapt to the support of cargo hold bulkheads at different angles, thereby improving the fit between the anti-tilt device and the cargo hold bulkhead and improving the support effect.

[0016] 2. The anti-tilt device for the installation platform of the containment system of a MARK3 type LNG ship of the present invention fine-tunes the fit between the support panel and the cargo hold bulkhead through a fine-tuner, so that the anti-tilt device adapts to the distance between the side bracket of the installation platform of the containment system and the cargo hold bulkhead, thereby improving applicability.

[0017] 3. The anti-tilt device for the installation platform of the containment system of a MARK3 type LNG ship of the present invention limits the movement of the second telescopic tube in the horizontal direction through the setting of the guide module, thereby improving the installation stability of the anti-tilt device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The present invention is a structural diagram of an LNG ship containment system installation platform in an anti-tilt device for a MARK3 type LNG ship containment system installation platform.

[0019] Figure 2 The present invention is a structural diagram of an anti-tilt device used in an anti-tilt device for a mounting platform of a containment system of a MARK3 type LNG ship.

[0020] Figure 3 The present invention is a telescopic structure diagram of a support panel in an anti-tilt device for a mounting platform of a containment system of a MARK3 type LNG ship.

[0021] Figure 4 This is a diagram of the use and installation of an anti-tilt device for a mounting platform of a containment system of a MARK3 type LNG ship according to the present invention. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the present invention more clear, the following drawings are provided to illustrate the present invention. The present invention is described with reference to the specific examples shown in the accompanying drawings. However, it should be understood that these descriptions are only exemplary. In addition, in the following description, descriptions of well-known structures and technologies are omitted to avoid unnecessary confusion of the concept of the present invention.

[0023] like Figure 1-4The present invention belongs to an anti-tilt device for a MARK3 type LNG ship containment system installation platform, the device comprises a support module, a telescopic support module, a guide module and a fine-tuning module 8, the support module is connected to the telescopic support module, the support module is supported on the cargo hold bulkhead 1, the telescopic support module is connected to the side bracket 9 of the containment system installation platform 2 through the guide module, and the fine-tuning module 8 is installed at one end of the telescopic support module; the telescopic support module comprises a first support tube 51 and a second support tube 52, the first support tube 51 is slidably connected to the second support tube 52, one end of the first support tube 51 is connected to the support module, and one end of the second support tube 52 is connected to the fine-tuning module 8, the support module comprises a support panel 4, the guide module comprises a front guide member 6 and a rear guide member 7, the front guide member 6 and the rear guide member 7 are respectively fixed on the side bracket 9 of the containment system installation platform 2.

[0024] The first support tube 51 is cylindrical in shape as a whole, one end of the first support tube 51 is hingedly connected to the support panel 4, the other end of the first support tube 51 is inserted into the second support tube 52, the first support tube 51 slides in the second support tube 52 along the axial direction, and a plurality of positioning holes are provided on the side of the first support tube 51; the support panel 4 is cylindrical in shape as a whole, a support plate is provided on one side of the support panel 4, and the diameter of the support plate is larger than the diameter of the support panel 4.

[0025] A first baffle is provided at one end of the first support tube 51 inserted into the second support tube 52, the first baffle is vertically welded to the side surface of one end of the first support tube 51, and a second baffle is provided on the end surface of the second support tube 52 close to the first support tube 51; the first baffle and the second baffle are annular as a whole, the diameter of the first support tube 51 is smaller than the inner diameter of the second baffle, and the outer diameter of the first baffle is larger than the inner diameter of the second baffle.

[0026] The positioning holes include a first positioning hole, a second positioning hole and a third positioning hole. The first positioning hole is a trisection point of the first support tube 51 close to the side of the second support tube 52. The second positioning hole and the third positioning hole are far away from the side of the second support tube 52. A second positioning hole is arranged between the third positioning hole and the first positioning hole. The distance between the second positioning hole and the first positioning hole is 270 mm, and the distance between the third positioning hole and the second positioning hole is 100 mm.

[0027] A fixing hole is provided on the side of the second support tube 52. When the first positioning hole of the first support tube 51 coincides with the fixing hole on the second support tube 52, the length of the first support tube 51 extending from the second support tube 52 is two-thirds of the length of the first support tube 51. The positioning hole of the first support tube 51 and the fixing hole on the second support tube 52 are fixed by a pin.

[0028] The front guide component 6 includes a front fixing plate and a front limiting column. Two front limiting columns are vertically arranged on the end surface of the front fixing plate. The second support tube 52 passes through between the front limiting columns. The front fixing plate is vertically fixedly connected to the side bracket 9 of the enclosure system mounting platform 2 by bolts.

[0029] The rear guide component 7 includes a rear fixing plate, a rear limiting column and a connecting piece. A rear limiting column is vertically arranged on the end surface of the rear fixing plate, a blocking rod is arranged on the upper end of the rear guide column, the second support tube 52 passes through between the rear and front limiting columns, and connecting pieces are respectively arranged on the side surfaces of the rear guide column. A connecting hole is arranged at one end of the connecting piece, and the connecting piece is connected to the fine-tuning module 8 through the connecting hole.

[0030] The fine-tuning module 8 includes a connecting plate and a fine-tuning device. Connecting holes are provided on both sides of the connecting plate. The connecting plate is connected to the connecting pieces through the connecting holes. A bolt hole is provided in the middle of the connecting plate. The fine-tuning device is threadedly connected to the bolt hole. A disc surface is provided at one end of the fine-tuning device. The diameter of the disc surface is larger than the diameter of the fine-tuning device. When the fine-tuning device rotates, the disc surface is driven to be vertically connected to the end face of the second support tube 52. The distance that the fine-tuning device pushes the second support tube 52 to move does not exceed 15 cm.

[0031] A method for preventing tilting of a MARK3 type LNG ship containment system installation platform, the method specifically comprising the following steps: S1, prepare an anti-tilt device for a MARK3 type LNG ship containment system installation platform, the device comprising a support module, a telescopic support module, a guide module and a fine-tuning module 8, the support module is connected to the telescopic support module, the support module is supported on the cargo hold bulkhead 1, the telescopic support module is connected to the side bracket 9 of the containment system installation platform 2 through the guide module, and the fine-tuning module 8 is installed at one end of the telescopic support module; the telescopic support module comprises a first support tube 51 and a second support tube 52, the first support tube 51 is slidably connected to the second support tube 52, one end of the first support tube 51 is connected to the support module, and one end of the second support tube 52 is connected to the fine-tuning module 8, the support module comprises a support panel 4, the guide module comprises a front guide member 6 and a rear guide member 7, and the front guide member 6 and the rear guide member 7 are respectively fixed on the side bracket 9 of the containment system installation platform 2; S2, installing the front guide member 6 and the rear guide member 7 on the side bracket 9 of the enclosure system installation platform 2, and installing the second support tube 52 on the front guide member 6 and the rear guide member 7, so that the second support tube 52 is in a horizontal state; S3, adjusting the length of the first support tube 51 extending from the second support tube 52, so that the support panel 4 on the first support tube 51 is close to the cargo hold bulkhead 1, and the positioning hole on the first support tube 51 coincides with the fixing hole of the second support tube 52 and is fixed with a latch; S4, install the fine-tuning module 8 on the rear guide member 7, rotate the fine-tuning device to make the disc surface abut against the end face of the second support tube 52 and push the second support tube 52 toward the cargo hold bulkhead 1, so that the support panel 4 fits with the cargo hold bulkhead 1, and the installation of the anti-tilt device 3 is completed.

[0032] When installing panels and films or moving the welding machine in the cargo hold, the fine-tuner is separated from one side of the connecting piece, the pin is pulled out, and the first support tube 51 is retracted toward the second support tube 52, and then the panels and films are installed or the welding machine is moved; after the panels and films are installed or the welding machine is moved, the fine-tuner is reinstalled, and the first support tube 51 is extended from the second support tube 52, so that the support panel 4 is in contact with the cargo hold bulkhead 1.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the specific implementation methods of the invention can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the present invention, which should be included in the scope of the technical solution for protection of the present invention.

Claims

1. An anti-tilt device for a MARK3 type LNG ship containment system installation platform, characterized in that: The device includes a support module, a telescopic support module, a guide module and a fine-tuning module, the support module is connected to the telescopic support module, the support module is supported on the cargo hold bulkhead, the telescopic support module is connected to the side bracket of the enclosure system installation platform through the guide module, and the fine-tuning module is installed at one end of the telescopic support module; the telescopic support module includes a first support tube and a second support tube, the first support tube is slidably connected to the second support tube, one end of the first support tube is connected to the support module, and one end of the second support tube is connected to the fine-tuning module, the support module includes a support panel, the guide module includes a front guide member and a rear guide member, and the front guide member and the rear guide member are respectively fixed on the side brackets of the enclosure system installation platform.

2. The anti-tilt device for the installation platform of the containment system of a MARK3 type LNG ship according to claim 1, characterized in that: The first support tube is cylindrical in shape as a whole, one end of the first support tube is hingedly connected to the support panel, the other end of the first support tube is inserted into the second support tube, the first support tube slides in the second support tube along the axial direction, and a plurality of positioning holes are arranged on the side surface of the first support tube; the support panel is cylindrical in shape as a whole, a support plate is arranged on one side of the support panel, and the diameter of the support plate is larger than the diameter of the support panel.

3. The anti-tilt device for the installation platform of the containment system of a MARK3 type LNG ship according to claim 2, characterized in that: A first baffle is provided at one end of the first support tube inserted into the second support tube, the first baffle is vertically welded to the side surface of one end of the first support tube, and a second baffle is provided on the end surface of the second support tube close to the first support tube; the first baffle and the second baffle are annular as a whole, the diameter of the first support tube is smaller than the inner diameter of the second baffle, and the outer diameter of the first baffle is larger than the inner diameter of the second baffle.

4. The anti-tilt device for the installation platform of the containment system of a MARK3 type LNG ship according to claim 3, characterized in that: The positioning holes include a first positioning hole, a second positioning hole and a third positioning hole. The first positioning hole is the trisection point of the first support tube close to one side of the second support tube. The second positioning hole and the third positioning hole are far away from one side of the second support tube. A second positioning hole is arranged between the third positioning hole and the first positioning hole. The distance between the second positioning hole and the first positioning hole is 270 mm, and the distance between the third positioning hole and the second positioning hole is 100 mm.

5. The anti-tilt device for the installation platform of the containment system of a MARK3 type LNG ship according to claim 4, characterized in that: A fixing hole is provided on the side of the second support tube. When the first positioning hole of the first support tube coincides with the fixing hole on the second support tube, the length of the first support tube extending from the second support tube is two-thirds of the length of the first support tube. The first support tube positioning hole and the fixing hole on the second support tube are fixed by a pin.

6. The anti-tilt device for the installation platform of the containment system of a MARK3 type LNG ship according to claim 2, characterized in that: The front guide component includes a front fixed plate and a front limit column. Two front limit columns are vertically arranged on the end surface of the front fixed plate. The second support tube passes through between the front limit columns. The front fixed plate is vertically fixedly connected to the side bracket of the enclosure system mounting platform by bolts.

7. The anti-tilt device for the installation platform of the containment system of a MARK3 type LNG ship according to claim 2, characterized in that: The rear guide component includes a rear fixing plate, a rear limiting column and a connecting piece. The rear limiting column is vertically arranged on the end surface of the rear fixing plate, a blocking rod is arranged on the upper end of the rear guide column, the second support tube passes through between the rear and front limiting columns, and connecting pieces are respectively arranged on the sides of the rear guide column. A connecting hole is arranged at one end of the connecting piece, and the connecting piece is connected to the fine-tuning module through the connecting hole.

8. The anti-tilt device for the installation platform of the containment system of a MARK3 type LNG ship according to claim 7, characterized in that: The fine-tuning module includes a connecting plate and a fine-tuning device. Connecting holes are provided on both sides of the connecting plate. The connecting plate is connected to the connecting pieces through the connecting holes respectively. A bolt hole is provided in the middle of the connecting plate. The fine-tuning device is threadedly connected to the bolt hole. A disc surface is provided at one end of the fine-tuning device. The diameter of the disc surface is larger than the diameter of the fine-tuning device. When the fine-tuning device rotates, the disc surface is driven to be vertically connected to the end face of the second support tube. The distance that the fine-tuning device pushes the second support tube to move does not exceed 15 cm. 9.An anti-tilt method for a MARK3 type LNG ship containment system installation platform, characterized in that: The method specifically comprises the following steps: S1, prepare an anti-tilt device for a MARK3 type LNG ship containment system installation platform, the device comprising a support module, a telescopic support module, a guide module and a fine-tuning module, the support module is connected to the telescopic support module, the support module is supported on the cargo hold bulkhead, the telescopic support module is connected to the side bracket of the containment system installation platform through the guide module, and the fine-tuning module is installed at one end of the telescopic support module; the telescopic support module comprises a first support tube and a second support tube, the first support tube is slidably connected to the second support tube, one end of the first support tube is connected to the support module, and one end of the second support tube is connected to the fine-tuning module, the support module comprises a support panel, the guide module comprises a front guide member and a rear guide member, and the front guide member and the rear guide member are respectively fixed on the side bracket of the containment system installation platform; S2, installing a front guide member and a rear guide member on the side bracket of the enclosure system installation platform, and installing a second support tube on the front guide member and the rear guide member so that the second support tube is in a horizontal state; S3, adjusting the length of the first support tube extending from the second support tube so that the support panel on the first support tube is close to the cargo hold bulkhead, and the positioning hole on the first support tube coincides with the fixing hole on the second support tube and is fixed with a latch; S4, install the fine-tuning module on the rear guide member, rotate the fine-tuning device to make the disc surface abut against the end surface of the second support tube and push the second support tube toward the cargo hold bulkhead, so that the support panel fits with the cargo hold bulkhead, and complete the installation of the anti-tilt device.

10. The anti-tilting method for the installation platform of the containment system of a MARK3 type LNG ship according to claim 9, characterized in that: When installing the panel and the film or moving the welding machine in the cargo hold, the fine-tuner is separated from one side of the connecting piece, the pin is pulled out, the first supporting tube is retracted toward the second supporting tube, and then the panel and the film are installed or the welding machine is moved; after the panel and the film are installed or the welding machine is moved, the fine-tuner is reinstalled, and the first supporting tube is extended from the second supporting tube, so that the supporting panel is fitted against the cargo hold bulkhead.

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