Goods enclosure secondary screen wall stripping machine

Abstract

A cargo wall secondary screen wall stripping machine is provided with a transversely-arranged circular roller and four steel pipes, the roller and the steel pipes are supported through a support, the support is provided with two supporting plates, the roller and the steel pipes are located between the two supporting plates, a rotating shaft penetrates through the center of the roller and is fixed through nuts, and the four steel pipes are located below the roller and are divided into two groups. Two steel pipes in each group are arranged up and down and are arranged in parallel front and back; a hand-cranking wheel is arranged on one side of the roller and located on the outer side of the supporting plate, and the center of the hand-cranking wheel penetrates through one end of the rotating shaft and is fixedly connected with the rotating shaft. Gaps exist between the four steel pipes and between the steel pipes and the roller, a row of spikes are welded to the outer surface of the roller, and after the flexible secondary screen wall and the rigid secondary screen wall are stripped by a section, the flexible secondary screen wall penetrates through the gaps between the steel pipes and is hung on the spikes; and the rigid secondary screen wall penetrates through a gap between the other group of steel pipes. The device is small in size, light in weight, simple in structure, stable in structure, flexible to move and capable of completing stripping work at any position.

Description

Technical Field

[0001] The invention belongs to the field of construction of offshore LNG cargo containment systems, and in particular relates to a cargo containment secondary barrier wall stripping machine. Background Art

[0002] In the existing MARK III LNG cargo containment system, there are two layers of screen walls, which play a role in preventing LNG leakage. The construction of the secondary screen wall in the shipyard is mainly to glue the flexible secondary screen wall to the rigid secondary screen wall with glue. Because the bonding construction is very important, the bonding construction personnel need to be trained and pass the expert assessment before the formal operation; when the cargo containment system is formally built, the automatic bonding robot needs to perform a simulated bonding every day to test the availability of the equipment. During the assessment and inspection process, the most important inspection is: after the glue is cured, the flexible secondary screen wall is peeled off from the rigid secondary screen wall (due to the material characteristics, the glue will all remain on the rigid secondary screen wall at this time), and the gaps and bubbles on the glue are visually inspected to determine the bonding result. The current peeling method is: use pliers to clamp the rigid secondary screen wall and the flexible secondary screen wall respectively, and two people apply force in opposite directions to complete the peeling little by little. Due to the strong adhesive force of the glue, this peeling method may cause personal injury, and uneven manual force may damage the glue, affecting the inspection effect. Summary of the invention

[0003] In order to solve the above problems, the present invention provides a cargo enclosure secondary screen wall peeling machine, the technical solution adopted by the present invention is: A cargo secondary screen wall peeling machine comprises a horizontally placed circular roller and four steel pipes, both of which are supported by a bracket, and the bracket has two support plates, the roller and the steel pipe are located between the two support plates, a rotating shaft is passed through the center of the roller, and both ends of the rotating shaft pass through the rotating bearings on the support plates and are fixed by nuts, the four steel pipes are located below the roller, the four steel pipes are divided into two groups, each group of two steel pipes are arranged up and down and are located on the same vertical plane, the two groups of steel pipes are arranged parallel front and back, both ends of the steel pipes pass through the support plates and are fixed to the support plates in cooperation with nuts; a hand-cranked wheel is provided on one side of the roller, the hand-cranked wheel is located on the outside of the support plate, the center of the hand-cranked wheel passes through one end of the rotating shaft and is fixedly connected to the rotating shaft.

[0004] There are gaps between the four steel pipes and between the steel pipes and the roller. A row of spikes is welded on the outer surface of the roller. After the flexible secondary screen wall and the rigid secondary screen wall are peeled off for a section, the flexible secondary screen wall passes through the gap between one group of steel pipes and hangs on the spikes; the rigid secondary screen wall passes through the gap between another group of steel pipes.

[0005] The above-mentioned cargo enclosure secondary screen wall stripping machine, further, has external threads at both ends of the steel pipe, and the two ends of the steel pipe pass through the support plate and cooperate with nuts.

[0006] The above-mentioned cargo enclosure secondary screen wall peeling machine, further, the bearing is embedded in the support plate and fixed on the support plate, and external threads are arranged at both ends of the rotating shaft, and the two ends of the rotating shaft pass through the bearing and cooperate with the nut.

[0007] The above-mentioned cargo enclosure secondary screen wall stripping machine, further, has a hand-cranked wheel with a diameter greater than a cylinder diameter.

[0008] The above-mentioned cargo enclosure secondary screen wall stripping machine further has a base fixed at the bottom of the support plate.

[0009] The above-mentioned cargo enclosure secondary screen wall peeling machine can further have a hand-cranked wheel connected to a motor and driven by the motor.

[0010] The beneficial effects of the present invention are: 1. The stripping machine is small in size and light in weight. It can be placed in various positions in the cargo hold and is flexible to move. Therefore, the stripping work of the secondary screen wall of the cargo enclosure can be completed at various positions according to construction requirements.

[0011] 2. The stripping machine has a simple structure, stable structure and low cost. It will not increase the cost too much.

[0012] 3. This stripping method is simple to operate, and the force applied during operation is stable, which will not cause personal injury or material damage, and can increase the effectiveness of the inspection results. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the main structure of the present invention; Figure 2 yes Figure 1 Schematic diagram of the medium AA viewing angle structure; Figure 3 yes Figure 1 Schematic diagram of the structure from the perspective of the middle BB; Among them, 1-support plate, 2-roller, 3-steel pipe, 4-nut, 5-spike, 6-hand crank wheel, 7-base, 8-bearing. DETAILED DESCRIPTION

[0014] The present invention will be further described in conjunction with the accompanying drawings.

[0015] A cargo enclosure secondary screen wall peeling machine has a horizontally placed circular roller and four steel pipes. The roller and the steel pipe are supported by a bracket. The bracket has two support plates. The roller and the steel pipe are located between the two support plates. A rotating shaft is passed through the center of the roller. The bearing is embedded in the support plate and fixed on the support plate. External threads are provided at both ends of the rotating shaft. The two ends of the rotating shaft pass through the bearings and fit with nuts. The four steel pipes are located below the roller. The four steel pipes are divided into two groups. Each group of two steel pipes is located on the same horizontal plane. The two groups of steel pipes are arranged parallel to each other up and down. External threads are provided at both ends of the steel pipes. The two ends of the steel pipes pass through the support plate and fit with nuts. A hand-cranked wheel is provided on one side of the roller. The hand-cranked wheel is located on the outside of the support plate. The center of the hand-cranked wheel passes through one end of the rotating shaft and is fixedly connected to the rotating shaft.

[0016] There are gaps between the four steel pipes and between the steel pipes and the roller. A row of spikes is welded on the outer surface of the roller. After the flexible secondary screen wall and the rigid secondary screen wall are peeled off for a section, the flexible secondary screen wall passes through the gap between one group of steel pipes and hangs on the spikes; the rigid secondary screen wall passes through the gap between another group of steel pipes.

[0017] In the initial stage of stripping, one operator rotates the hand wheel counterclockwise to make the roller rotate counterclockwise, while another operator holds the rigid secondary screen by hand to prevent it from detaching from a group of steel pipes. When stripping reaches a certain extent, the person who assists in fixing the rigid secondary screen can be removed, and the operator of the wheel should rotate the hand wheel steadily to ensure stable and uniform stripping of the flexible secondary screen.

[0018] The size of the stripping machine is about 300*400*400mm and the weight is about 10kg. The fixing device on the roller clamps the flexible secondary screen wall, and the roller is rotated by manpower to realize the stripping of the flexible secondary screen wall from the rigid secondary screen wall.

Claims

1. A cargo enclosure secondary screen peeling machine, characterized in that: There is a circular roller and four steel pipes placed horizontally. The roller and the steel pipe are supported by a bracket. The bracket has two support plates. The roller and the steel pipe are located between the two support plates. A rotating shaft is passed through the center of the roller. The two ends of the rotating shaft pass through the rotating bearings on the support plates and are fixed by nuts. The four steel pipes are located below the roller. The four steel pipes are divided into two groups. Two steel pipes in each group are arranged up and down and located on the same vertical plane. The two groups of steel pipes are arranged front and back in parallel. The two ends of the steel pipes pass through the support plates and are fixed on the support plates in cooperation with nuts. A hand-cranked wheel is arranged on one side of the roller. The hand-cranked wheel is located on the outside of the support plate. The center of the hand-cranked wheel passes through one end of the rotating shaft and is fixedly connected to the rotating shaft. There are gaps between the four steel pipes and between the steel pipes and the roller. A row of spikes is welded on the outer surface of the roller. After the flexible secondary screen wall and the rigid secondary screen wall are peeled off for a section, the flexible secondary screen wall passes through the gap between one group of steel pipes and hangs on the spikes; the rigid secondary screen wall passes through the gap between another group of steel pipes.

2. A cargo enclosure secondary screen peeling machine according to claim 1, characterized in that: External threads are arranged at both ends of the steel pipe, and the two ends of the steel pipe pass through the support plate and cooperate with the nuts.

3. The cargo enclosure secondary screen peeling machine according to claim 1, characterized in that: The bearing is embedded in the support plate and fixed on the support plate. External threads are arranged at both ends of the rotating shaft. The two ends of the rotating shaft pass through the bearing and cooperate with nuts.

4. The cargo enclosure secondary screen peeling machine according to claim 1, characterized in that: The diameter of the hand-cranked wheel is larger than the diameter of the cylinder.

5. The cargo enclosure secondary screen peeling machine according to claim 1, characterized in that: A base is fixed at the bottom of the supporting plate.

6. The cargo enclosure secondary screen peeling machine according to claim 1, characterized in that: The hand wheel can be connected to a motor and driven by the motor.

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