CN-122015613-A - Device and method for detecting height of spring spacer of LNG ship sub-layer insulation box

Abstract

The invention discloses a spring spacer height detection device for an LNG ship sub-layer insulation box, which comprises a support module and a measurement module, wherein the upper part of the support module is provided with the measurement module, the measurement module comprises a first measurement plate and a second measurement plate, the lower end of the first measurement plate is provided with the second measurement plate, the first measurement plate and the second measurement plate are distributed in a step shape, one side of the upper part of the support module is respectively connected with the first measurement plate and the second measurement plate, and the lower part of the first measurement plate is provided with the second measurement plate. According to the invention, through the arrangement of the supporting module and the measuring module, the spring gasket of the sub-layer insulation box is measured in a multi-point mode, so that the measuring efficiency and the measuring precision are improved.

Inventors

• HUANG QINGTIAN
• HUANG ZHEN
• XU LINGFENG

Assignees

• 沪东中华造船(集团)有限公司

Dates

Publication Date

20260512

Application Date

20260303

Claims (6)

1. 1. Be used for LNG ship sublayer insulation case spring spacer height detection device, its characterized in that, the device includes supporting module and measurement module, and supporting module upper portion is provided with measurement module, measurement module includes first measurement board and second measurement board, first measurement board lower extreme is provided with the second measurement board, and first measurement board and second measurement board are the echelonment and distribute, supporting module upper portion one side is connected with first measurement board and second measurement board respectively, first measurement board lower part sets up the second measurement board.
2. 2. The device for detecting the height of the spring spacer of the sub-layer insulation box of the LNG ship according to claim 1, wherein the supporting module and the measuring module are integrally formed, and the first measuring plate and the supporting module are integrally L-shaped.
3. 3. The device for detecting the height of the spring spacer of the insulating box of the secondary layer of the LNG ship according to claim 2, wherein the upper end of the second measuring plate is connected with the lower end of the first measuring plate, the right side of the second measuring plate is connected with the supporting module, and a notch is formed between the left side of the second measuring plate and the lower end of the first measuring plate.
4. 4. The method for detecting the height of the spring spacer of the sub-layer insulation box of the LNG ship is characterized by comprising the following steps of: S1, after installation of a spring gasket of a sub-layer insulating box is completed, detecting the height of the spring gasket of the sub-layer insulating box; s2, placing the bottom of the supporting module on the pressing plate, enabling the measuring module to be close to the sub-layer insulation box spring gasket by moving the supporting module, and completing the measurement of the height of the sub-layer insulation box spring gasket.
5. 5. The method for detecting the height of the insulating box spring gasket of the LNG ship sublayer according to claim 4, wherein the mounting process of the insulating box spring gasket of the sublayer is that the insulating box spring gasket of the sublayer is firstly mounted on a connecting rod of a pressing plate, and nuts are screwed on the connecting rod to fasten the insulating box spring gasket of the sublayer, so that the mounting of the insulating box spring gasket of the sublayer is completed.
6. 6. The method for detecting the height of the spring spacer of the sub-layer insulation box of the LNG ship according to claim 4, wherein the connecting rod is used as an axle center when the height of the spring spacer of the sub-layer insulation box is detected, the rotary supporting module carries out multi-point measurement on the spring spacer of the sub-layer insulation box, when the measuring module approaches to the nut above the spring spacer of the sub-layer insulation box, the height between the upper end surface of the nut and the pressing plate is larger than the height between the second measuring plate and the pressing plate and smaller than the height between the first measuring plate and the pressing plate, and the height of the spring spacer of the sub-layer insulation box meets the requirements.

Description

Device and method for detecting height of spring spacer of LNG ship sub-layer insulation box Technical Field The invention belongs to the technical field of ship construction, and particularly relates to a device and a method for detecting the height of a spring spacer of an insulating box of an LNG ship sub-layer. Background The cargo hold enclosure system of the LNG ship is composed of a secondary insulating layer, a secondary shielding layer, a main insulating layer and a main shielding layer. Wherein the sub-layer insulation boxes are distributed in the area of each inner bulkhead surface of the sub-layer insulation layer. The secondary insulating box is fastened by a fastener and a base welded on the inner bulkhead after being installed. Wherein the tightening force is controlled by the amount of deformation of the spring washer in the connection. The fastening pressure of the secondary insulating box and the inner cabin wall has 2 requirements, namely, the fastening pressure needs to reach 300kg, and a part of deformation space is reserved in consideration of the condition that the corresponding inner cabin wall has or not has ballast moisture and is deformed or not 2. In this way, the height of the corresponding spring washer is also determined in the range where the tightening force of the spring washer on the inner cabin wall is required. The spring washer is inspected between the mounting plate and the nut for convenience and ensuring inspection accuracy in consideration of the fact that the upper surfaces of the mounting plate and the nut are flat, and the height of the spring washer is uniformly added to the uniform height of the exposed nut. The prior inspection is to directly measure the spring gasket of the sub-layer insulation box by a measuring ruler if the fastening force after the installation of the sub-layer insulation box meets the requirement, and has the defects of poor measuring precision and low efficiency. Disclosure of Invention The invention aims to overcome the defects in the prior art and provide a device and a method for detecting the height of a spring spacer of an insulating box of an LNG ship sub-layer. In order to achieve the above object, the present invention provides the following technical solutions: A be used for high detection device of LNG ship sublayer insulation case spring spacer, the device includes supporting module and measuring module, and supporting module upper portion is provided with measuring module, measuring module includes first measuring board and second measuring board, first measuring board lower extreme is provided with the second measuring board, and first measuring board and second measuring board are echelonment and distribute, supporting module upper portion one side is connected with first measuring board and second measuring board respectively, first measuring board lower part sets up the second measuring board. Further, the support module and the measurement module are integrally formed, and the first measurement plate and the support module are integrally L-shaped. Further, the upper end of the second measuring plate is connected with the lower end of the first measuring plate, the right side of the second measuring plate is connected with the supporting module, and a notch is formed between the left side of the second measuring plate and the lower end of the first measuring plate. The method for detecting the height of the spring spacer of the sub-layer insulation box of the LNG ship comprises the following steps: S1, after installation of a spring gasket of a sub-layer insulating box is completed, detecting the height of the spring gasket of the sub-layer insulating box; s2, placing the bottom of the supporting module on the pressing plate, enabling the measuring module to be close to the sub-layer insulation box spring gasket by moving the supporting module, and completing the measurement of the height of the sub-layer insulation box spring gasket. The installation process of the sub-layer insulating box spring gasket comprises the steps of firstly installing the sub-layer insulating box spring gasket on a connecting rod of a pressing plate, screwing a nut on the connecting rod to fasten the sub-layer insulating box spring gasket, and completing installation of the sub-layer insulating box spring gasket. Further, when the height of the spring gasket of the insulating box of the sublayer is detected, the connecting rod is used as an axle center, the rotary supporting module carries out multi-point measurement on the spring gasket of the insulating box of the sublayer, when the measuring module is close to the nut above the spring gasket of the insulating box of the sublayer, the height between the upper end surface of the nut and the pressing plate is larger than the height between the second measuring plate and the pressing plate and smaller than the height between the first measuring plate and the pressing plate, and the height of the