A corner splint positioning and tensioning device

Abstract

The invention relates to a corner clamping plate locating tensioning device. The corner clamping plate locating tensioning device includes an outer frame with inner side size not less than the side surface contour size of an insulation box and corner frames distributed on the four corners of the outer frame, wherein the corner frames include corner plates fixed to the outer frame, compression rollers located on the inner sides of the corner plates and connecting rod mechanisms connected with the compression rollers and used for driving the compression rollers to compress second concave right-angle grooves. Compared with the prior art, the quality and the efficiency of corner clamping plate assembling can be effectively improved through the corner clamping plate locating tensioning device,installation and disassembling works are more easy and can be operated by one person, furthermore, the corner clamping plate locating tensioning device can be neatly stacked with high density, and fully automated operation and the logistic circulation efficiency are convenient to achieve.

Description

Technical field [0001] The invention belongs to the technical field of the production of insulated boxes of LNG ships, and relates to a corner splint positioning and tensioning device for the production of insulated boxes of LNG ships. Background technique [0002] Part of the box type of LNG ship insulation box adopts a sandwich structure of plywood→polyurethane board→plywood bonded layer by layer, and the four corners need to be bonded with corner plywood. For special working conditions such as sea turbulence and low temperature, this box has strict requirements on bonding strength and assembly accuracy. At present, the assembly of the corner splints at home and abroad is performed manually, and the fixing after glue application is manually fastened with rubber belts and the subsequent time-efficiency planning process is performed. This method has the following problems: 1. The manual tightening method of the rubber band cannot guarantee the uniform force of the corner splint,...

AI Technical Summary

Problems solved by technology

This method has the following problems: 1. The method of manual fastening of the rubber belt cannot ensure that the corner splint is evenly stressed, the tension of the rubber belt is limited, and the force cannot be accurately controlled, resulting in substandard bonding strength and assembly accuracy. The waste rate is higher and the production cost is higher; 2. The existing method does not consider the control of the mutual position of the plywood and the polyurethane board, resulting in the relative displacement of the multi-layer board of the insulation box during the handling or curing process, making it necessary to retain more in the early stage. There is a lot of machining allowance, and more complex machining is required in the later stage to ensure the yield rate, the production efficiency is low, and the production cost is high; 3. The existing method is time-consuming, laborious, and low in production efficiency, and is not suitable for large-scale industrial production

[0004] (1) The metal corner frame and the elastic part are not rigidly connected, which leads to the easy deformation of the positioning tensioning device, so that the assembly deviation of the corner splint cannot be accurately corrected, which affects the assembly accuracy. At the same time, due to the deformation, the position of the grabbing ring is not fixed. Unable to realize fully automatic operation of manipulator

[0005] (2) When the device is manually disassembled, four people are required to pull it from four directions at the same time, which consumes manpower, and due to the limitation of manpower, the force of the spring cannot be greatly increased, so that the pressing force is limited and the bonding strength of the corner splint cannot be satisfied. requirements

In addition, due to the possible presence of residual glue on the corner cleats, the positioning tensioner is bonded to the corner cleats, increasing the difficulty of removal

[0006] (3) After the device is removed from the insulating box, it cannot be stacked tightly and neatly, which increases the space and time required for logistics turnover, and it is difficult to realize fully automated access operations

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