CN218657456U - Film cabin welding top pressure combination device - Google Patents

Abstract

The utility model relates to a shipbuilding field provides film cabin welding roof pressure composite set. The hydraulic cylinder supporting device comprises an oil cylinder, a supporting structure for supporting the oil cylinder and a hydraulic device for controlling the oil cylinder to stretch, wherein the supporting structure comprises a supporting pipe, a pair of mounting frames and an oil cylinder seat; waist-shaped holes are respectively processed on two right-angle surfaces of the mounting plate, and the mounting plate is connected with the bulkhead structure through the waist-shaped holes and the bolts. Utilize the sleeve pipe to install the oil pump on bearing structure's stay tube, the oil pump can rotate around the stay tube in order to adjust to suitable roof pressure angle, can also be along stay tube adjusting position simultaneously to realize that bearing structure once installs the roof pressure that can be to the buckled plate of a plurality of welding points department. The supporting problem of the slope upward jacking device of the film cabin is solved, so that the corrugated plate at the matched position of the slope and the vertical surface can be welded in a compressed state, and the performance and the construction precision of the film cabin are guaranteed.

Description

Film cabin welding top pressure combination device

Technical Field

The utility model relates to a shipbuilding field, concretely relates to film cabin welding roof pressure composite set.

Background

With increasing environmental importance and the various stringent emission standards in force, LNG is becoming the primary fuel for large ocean-going vessels. Existing LNG ships typically use a C-type fuel tank in which liquefied natural gas is stored. With the large-scale development of ships, the LNG (liquefied natural gas) cabin capacity required by an ultra-large container ship is more than 10000 cubic meters, and the traditional C-shaped cabin is not suitable for use due to low space utilization rate, so that the C-shaped cabin is gradually replaced by the thin-film cabin.

The film cabin is divided into a Mark series and an NO series, wherein the Mark series film cabin is composed of two shielding layers and two insulating layers, and the shielding layers are generally a whole formed by welding stainless steel corrugated plates. The shielding layer has the polylith buckled plate to weld in proper order, and for the thermal stress in less film cabin, the assembly precision requirement of ripple board is high, and the laminating degree between the buckled plate requires the zero clearance. In the corrugated plate welding, force is required to be applied from the outside to make the corrugated plate tightly fit, and the most conventional way is to use a jacking device such as a hydraulic pump or an oil hydraulic pump. But because the film cabin structure is special, the side surface of the film cabin is provided with a vertical side surface and a slope side surface, the slope side surface is simultaneously connected with the bottom surface and the vertical side surface, and the corrugated plates on the bottom surface and the vertical side surface can be directly jacked by the oil pump or jacked by matching with a simple tool. The corrugated plate that the vertical side junction in slope side needs the right angle to bend covers its seam, because the seam is the slope, the corrugated plate of this department is the tilt state, and the hydro-cylinder is tilt state and perpendicular to corrugated plate equally during the roof pressure, and construction platform can't provide stable slope support.

Disclosure of Invention

In order to solve the problem that the welding of corrugated plates of the film cabin is the supporting problem of the jacking device, the utility model aims to provide a jacking and pressing combined device.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the film cabin welding and jacking combined device comprises an oil cylinder, a supporting structure for supporting the oil cylinder and a hydraulic device for controlling the oil cylinder to stretch, wherein the hydraulic device is connected with the oil cylinder through a hose, and the supporting structure comprises a supporting pipe, a pair of mounting frames and an oil cylinder seat; the mounting frame comprises a support sleeve, a connecting plate and a mounting plate, the support sleeve is sleeved on the support tube and freely slides and rotates on the support tube, the mounting plate is connected with the support sleeve through the connecting plate, the mounting plate is a right-angle bending plate, waist-shaped holes are respectively machined in two right-angle surfaces of the mounting plate, and the mounting plate is connected with the bulkhead structure through the waist-shaped holes and bolts; the oil cylinder base comprises an oil cylinder sleeve, an oil cylinder mounting base and an oil cylinder, the oil cylinder sleeve is sleeved on the supporting pipe to freely slide and rotate on the supporting pipe, the oil cylinder sleeve is located between the supporting sleeves of the pair of mounting frames, the oil cylinder mounting base is fixedly mounted on the outer side of the oil cylinder sleeve, the oil cylinder pipe is fixedly mounted on the oil cylinder mounting base, a pressing rod is mounted at the telescopic end of the oil cylinder, the pressing rod is parallel to the supporting pipe, and the telescopic end of the oil cylinder is perpendicularly connected with the middle of the pressing rod.

Further, spacing lid is installed respectively at the both ends of stay tube, and spacing lid includes connecting portion and spacing portion, and connecting portion are the cylinder boss, and spacing portion is circular limiting plate, boss and limiting plate coaxial coupling perhaps be an organic piece, and the boss inserts from the limiting tube tip to it is fixed with spacing pipe through radial screw, the external diameter of limiting plate is greater than the internal diameter of support sleeve.

Further, the one end of connecting plate welds in support sleeve, and the extension face of connecting plate passes through support sleeve's axis, the other end of connecting plate and the inboard right-angle side welded connection of mounting panel, a pair of right-angle face symmetric distribution of mounting panel are in the both sides of connecting plate.

Furthermore, the outer side surface of the supporting sleeve is provided with a radial positioning screw, and the head of the positioning screw is in abutting fit with the outer side surface of the supporting tube.

Further, the hydraulic device is a hand-held micro-pressure pump or a portable vacuum pressure source.

Furthermore, the hydraulic device comprises a handle and a pressure pump, wherein supports are arranged at two ends of the pressure pump, and the handle is arranged above the pressure pump.

After taking above technical scheme, the beneficial effects of the utility model are that:

this technical scheme has designed dedicated bearing structure according to the special domatic structure in film cabin, utilizes slope and vertical face vertically characteristic, has designed the mounting panel of right angle bending, fixes bearing structure in the seam crossing of vertical face and slope through the mounting panel, and the sheathed tube design of bearing structure can be convenient for the adjustment of a pair of mounting bracket position to the frame cooperation in film cabin is fixed. Utilize the sleeve pipe to install the oil pump on bearing structure's stay tube, the oil pump can rotate around the stay tube in order to adjust to suitable roof pressure angle, can also be along stay tube adjusting position simultaneously to realize that bearing structure once installs the roof pressure that can be to the buckled plate of a plurality of welding points department.

According to the technical scheme, the supporting problem of the slope upward jacking device of the film cabin is solved, so that the corrugated plate at the matched position of the slope and the vertical surface can be welded in a compressed state, and the performance and the construction precision of the film cabin are guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the support structure.

Fig. 3 is a schematic view of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings:

as shown in figure 1, the film cabin welding jacking combination device consists of a manual hydraulic device 1, an oil pump 2, a supporting structure 3 and a pressing strip 4. The oil pump 2 is arranged on the supporting structure 3, and the manual hydraulic device 1 is connected with the oil pump 2 through a high-pressure oil pipe which is a hose.

The manual hydraulic device 1 can select a handheld micro-pressure pump or a portable pressure pump, the pressure transmission medium is oil, and the oil pump 2 is extended, jacked or retracted and reset through the manual hydraulic device. Since the space of the construction site of the membrane tank is narrow and it is not easy to connect a hydraulic station or a cable, a combination of a manual hydraulic 1 device and an oil pump 2 is used. The manual hydraulic device 1 comprises a handle 11 and a pressure pump 12, wherein two ends of the pressure pump 12 are provided with a support 13, the handle 11 is arranged above the pressure pump 12, and the manual hydraulic device 1 realizes that the pressure pump 12 supplies oil to an oil pump or realizes pressure relief through a reset valve piece by up-and-down repeated swinging of the handle 11. The layering 4 fixed mounting is in the flexible end of oil pump 2, and the flexible end of oil pump 2 is connected with the middle part of layering 4 is perpendicular.

For a common horizontal bulkhead and a vertical bulkhead, an oil pump can be installed by a construction platform and the like, and jacking is realized by the oil pump. However, the membrane tank has a special structure, as shown in fig. 3, a slope surface 5 exists, and a bent corrugated plate 7 needs to be welded at a joint between the slope surface 5 and a vertical surface 6 to seal the joint. The corrugated plate 7 is inclined and cannot effectively support the oil pump on the vertical surface 6 or the slope surface 5, so that the special supporting structure 3 is designed.

As shown in fig. 2, the support structure 3 is composed of a support pipe 31, a pair of mounting brackets 32, and an oil pump mount 33. The supporting tube 31 is a metal round tube with a certain length, the mounting frame 32 is composed of a sleeve 321, a connecting tube or a connecting plate 322 and a mounting plate 323, the sleeve 321 is sleeved on the supporting tube 31 and can freely slide and rotate on the supporting tube 31, one end of the connecting plate 322 is welded on the outer side of the sleeve 321, and the extending surface of the connecting plate 322 passes through the axis of the sleeve 321. The mounting plate 323 is a right-angle bending plate, two mounting surfaces of the mounting plate 323 are symmetrical relative to a bending line, and waist-shaped holes 324 are respectively formed in the mounting surfaces of the mounting plate 323, so that the mounting plate 323 can be fixed conveniently. The mounting plate 323 is fixedly welded at the other end of the connecting plate 322, and two mounting surfaces of the mounting plate 323 are distributed on two sides of the connecting plate 322 and are in an arrow shape. The mounting plate 323 bent at a right angle is matched with a right-angle surface formed by the vertical surface 6 and the slope surface 5, when the pair of mounting frames 32 are stably connected with the frame structure 8 of the cabin body through the right-angle mounting plate 323, the supporting pipe 31 is stably supported, and the supporting pipe 31 is parallel to a joint between the vertical surface 6 and the slope surface 5 and has a certain distance with the joint.

The oil pump base 33 is composed of a sleeve 331 and a mounting base 332, the sleeve 331 is sleeved on the support pipe 31, is positioned between the pair of mounting brackets 32, and freely slides and rotates on the support pipe 31, the mounting base 332 is fixedly mounted on the outer side of the sleeve 331, and the oil pump 2 is fixedly mounted on the mounting base 332. Due to the adoption of the design of a sleeve, the oil pump 2 can move and rotate on the supporting pipe 31 to be adjusted to a proper position and angle, the pressing strip 4 at the telescopic end of the oil pump 31 is parallel to the joint direction and presses against the corrugated plate to enable the corrugated plate to be tightly attached, then welding is carried out, after one welding is completed, the oil pump 2 can slide on the supporting pipe 31 to the next welding position, the manual hydraulic device 1 is used for controlling the pressing of the oil pump 2, and the one-step installation of the supporting structure 3 can realize multi-point welding pressing.

In order to prevent the support tube 31 from sliding on the mounting frame 32, radial screws may be mounted on the sleeves 321 of the mounting frame 32, and the screws may be tightly pressed against the support tube 31 to form a limit. In order to prevent the sleeve 321 from slipping off the support tube 31, the two ends of the support tube 31 are respectively provided with a limiting cover 311, the limiting cover 311 comprises two parts, namely a mounting boss and a limiting plate, the outer diameter of the mounting boss is the same as the inner diameter of the support tube, the mounting boss is inserted from the end of the support tube, and a fixed connection is formed between the mounting boss and the support tube through a pair of radial screws. The limiting plate is integrated with the mounting boss and matched with the end face of the supporting pipe, the outer diameter of the limiting plate is larger than the inner diameter of each sleeve, and the sleeve 322 is limited.

When the combined device is used, on one side of a corrugated plate 7 needing to be welded, the supporting tube 31 is fixed by utilizing the matching of the pair of mounting frames 32 and the cabin body frame structure 8, the oil pump 2 is rotated, the pressing strip 4 at the head of the oil pump is matched with the corrugated plate, the manual hydraulic device 1 is operated, the oil pump 2 is ejected out to compress the corrugated plate 7 to be welded, the corrugated plate is welded along a joint, after the welding is finished, the manual hydraulic device 1 is operated, the oil pump 2 is reset, the oil pump 2 is translated on the supporting tube 31 to the next joint, or the supporting structure 3 is moved to the next position to be welded.

This bearing structure 3 still is applicable to the welding support of vertical face and top surface, only needs with bearing structure level or vertical be connected to near the welding point the frame on, can adjust the position and the angle of oil pump, realizes the roof pressure of welding department.

Claims (6)

1. The film cabin welding and jacking combined device comprises an oil cylinder, a supporting structure for supporting the oil cylinder and a hydraulic device for controlling the oil cylinder to stretch, wherein the hydraulic device is connected with the oil cylinder through a hose; the mounting frame comprises a support sleeve, a connecting plate and a mounting plate, the support sleeve is sleeved on the support tube and freely slides and rotates on the support tube, the mounting plate is connected with the support sleeve through the connecting plate, the mounting plate is a right-angle bending plate, waist-shaped holes are respectively machined in two right-angle surfaces of the mounting plate, and the mounting plate is connected with the bulkhead structure through the waist-shaped holes and bolts; the oil cylinder base comprises an oil cylinder sleeve, an oil cylinder mounting base and an oil cylinder, the oil cylinder sleeve is sleeved on the supporting pipe to freely slide and rotate on the supporting pipe, the oil cylinder sleeve is located between the supporting sleeves of the pair of mounting frames, the oil cylinder mounting base is fixedly mounted on the outer side of the oil cylinder sleeve, the oil cylinder pipe is fixedly mounted on the oil cylinder mounting base, a pressing rod is mounted at the telescopic end of the oil cylinder, the pressing rod is parallel to the supporting pipe, and the telescopic end of the oil cylinder is perpendicularly connected with the middle of the pressing rod.

2. The film cabin welding top pressure combination device according to claim 1, wherein two ends of the supporting tube are respectively provided with a limiting cover, the limiting cover comprises a connecting portion and a limiting portion, the connecting portion is a cylindrical boss, the limiting portion is a circular limiting plate, the boss is coaxially connected with the limiting plate or is an integrated piece, the boss is inserted from the end of the limiting tube and is fixed with the limiting tube through a radial screw, and the outer diameter of the limiting plate is larger than the inner diameter of the supporting sleeve.

3. The membrane cabin welding top pressure combination device as claimed in claim 2, wherein one end of the connecting plate is welded to the support sleeve, the extending surface of the connecting plate passes through the axis of the support sleeve, the other end of the connecting plate is welded to the right-angled edge of the inner side of the mounting plate, and a pair of right-angled surfaces of the mounting plate are symmetrically distributed on two sides of the connecting plate.

4. The membrane cabin welding top pressure combination device as claimed in claim 1, wherein the outer side surface of the support sleeve is provided with radial positioning screws, and the heads of the positioning screws are in abutting fit with the outer side surface of the support tube.

5. The film cabin welding top pressure combination device is characterized in that the hydraulic device is a handheld micro-pressure pump or a portable vacuum pressure source.

6. The membrane cabin welding top pressure combination device is characterized in that the hydraulic device comprises a handle and a pressure pump, supports are arranged at two ends of the pressure pump, and the handle is arranged above the pressure pump.

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