Slotting and chamfering repairing device of insulation module for LNG (Liquefied Natural Gas) ship

By designing a slotting and chamfering repair device with guide rails and milling cutters, the problem of small chamfers in LNG marine insulation modules was solved, achieving efficient and accurate chamfering repair, simplifying operations, and improving preparation efficiency.

CN223588382UActive Publication Date: 2025-11-25JIANGSU YOKE TECH
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423041551.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-11-25
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

The chamfer of the assembly slot for the LNG marine insulation module is too small, which requires the chamfering operation to be carried out again on the machine tool, which is time-consuming and labor-intensive and affects the production efficiency.

Method used

Design a grooving and chamfering repair device that includes a guide rail, a milling cutter holder, and a milling cutter assembly. The device achieves high-precision positioning and fixing of the milling cutter through a quick-positioning component and a limit stop, thus avoiding the need for rework on the machine tool.

Benefits of technology

It achieves efficient and accurate chamfer repair, simplifies operation steps, saves time, and improves the overall manufacturing efficiency of insulation modules.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223588382U_ABST
    Figure CN223588382U_ABST
Patent Text Reader

Abstract

The utility model discloses a slotting chamfer repairing device of an insulation module for an LNG (Liquefied Natural Gas) ship, which comprises a guide rail, a milling cutter seat arranged on the guide rail and a milling cutter device arranged on the milling cutter seat, quick positioning pieces are arranged at two ends of the guide rail, each quick positioning piece consists of a fixing part and a positioning part, a milling cutter opening groove matched with a milling cutter of the milling cutter device in a butt joint mode is formed in the fixing part, and the positioning part is used for positioning the milling cutter. According to the utility model, the quick positioning piece has a milling cutter positioning function, so that the milling cutter device can carry out high-precision repair on the chamfer of the insulating main layer through the movement on the guide rail, the chamfering operation on a machine tool again is avoided under the condition that the chamfer repair requirement is met, the operation steps and operation procedures are greatly simplified, and the working efficiency is improved. And a large amount of operation time is saved, the chamfering repair efficiency is improved, and the stability of the overall preparation efficiency of the insulation module is guaranteed.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to liquefied natural gas field relates to the processing technology of LNG ship insulating module, specifically relates to a kind of slot chamfer repair device of LNG ship insulating module. BACKGROUND

[0002] LNG (liquefied natural gas) ship is the special ship for storing and transporting liquefied natural gas, it is stored by the established storage cabin, due to the particularity of liquefied natural gas, storage cabin must have very high insulation, fire resistance, low temperature resistance, sealing and the like, insulation module is the important module of storage cabin, as shown in Figure 1 It mainly includes insulation main layer 100 and a plurality of insulation boards 101 on insulation main layer 100, and assembly slot 101 needs to be set up between two insulation boards 101 on insulation main layer 100.

[0003] In actual preparation process, due to the limitation of process and equipment, assembly slot 101 is prone to chamfer small, so only chamfer operation is carried out on machine bed again, and it needs to be re-pointed after machine bed to ensure chamfer accuracy, which is time-consuming and laborious, and also wastes the working hours of large five-axis machine tool, and affects the overall preparation efficiency of insulation module. SUMMARY

[0004] The purpose of the application is to overcome the deficiencies in the prior art, provide a slot chamfer repair device for LNG ship insulating module, which can timely, accurately and efficiently repair the chamfer of the insulation main layer, without the need for chamfer operation on the machine bed again, saving a lot of operation time, improving the chamfer repair efficiency and ensuring the overall preparation efficiency of the insulation module.

[0005] Technical scheme: in order to achieve the above purpose, the utility model provides a slot chamfer repair device for LNG ship insulating module, including guide rail, milling cutter seat set on guide rail and milling cutter device set on milling cutter seat, both ends of the guide rail are provided with quick positioning part, the quick positioning part is composed of fixed part and positioning part, the fixed part is provided with milling cutter opening slot matched with the milling cutter of milling cutter device, and the positioning part is used for positioning the milling cutter.

[0006] Further, both ends of the guide rail are provided with connecting rod, the connecting rod is provided with limiting stopper for limiting the milling cutter seat, and the limiting stopper can limit the milling cutter seat to prevent the milling cutter seat from separating from the guide rail.

[0007] Further, the limiting stopper is fixed on the connecting rod by bolt connection, which is convenient for assembling and adjusting the limiting stopper.

[0008] Further, the fixed part and the positioning part are perpendicular to each other, which improves the positioning accuracy.

[0009] Further, the fixing part and the positioning part are integrally formed.

[0010] Further, the milling cutter device comprises a milling cutter body, a milling cutter arranged at the lower part of the milling cutter body, and a handrail arranged on the milling cutter body.

[0011] Further, the milling cutter seat is provided with an opening hole for the milling cutter to extend out.

[0012] Beneficial effects: compared with the prior art, the quick positioning piece has the milling cutter positioning function, so that the milling cutter device can repair the chamfer of the insulation main layer with high precision through the movement on the guide rail, avoids the chamfer operation on the machine bed again under the condition of meeting the chamfer repair requirement, greatly simplifies the operation steps and operation procedures, saves a large amount of operation time, improves the chamfer repair efficiency, and ensures the stability of the overall preparation efficiency of the insulation module. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a structural schematic view of an insulation module;

[0014] Figure 2 is a structural schematic view of the utility model;

[0015] Figure 3 is a structural schematic view of the utility model in a working state;

[0016] Figure 4 is a structural schematic view of a milling cutter device;

[0017] Figure 5 is a plane schematic view of a quick positioning piece;

[0018] Figure 6 is a structural schematic view of a limiting block. DETAILED DESCRIPTION

[0019] The utility model will be further illustrated below in combination with the drawings and specific embodiments, and it should be understood that these embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model, and after reading the utility model, the modification of various equivalent forms of the utility model by the person skilled in the art all fall within the range defined by the claims attached to the present application.

[0020] As Figures 1-6The utility model provides a kind of slot chamfer repair device of LNG ship insulating module, including guide rail 1, milling cutter seat 2 being arranged on guide rail 1 and milling cutter device being arranged on milling cutter seat 2, both ends of guide rail 1 are provided with quick positioning piece 4, quick positioning piece 4 is made of fixed part 41 and positioning part 42, fixed part 41 and positioning part 42 are perpendicular to each other and integrally formed, milling cutter device includes milling cutter body 5, milling cutter 51 being arranged in the lower part of milling cutter body 5, handrail 52 being arranged on milling cutter body 5, milling cutter seat 2 is provided with the aperture 21 for milling cutter 51 to extend, milling cutter opening slot 43 that milling cutter device's milling cutter 51 is opposite and matches is opened in fixed part 41, positioning part 42 is used to position milling cutter 51, so that milling cutter 51 can be correspondingly extended into milling cutter opening slot 43, both ends of guide rail 1 are provided with connecting rod 3, connecting rod 3 is provided with the limiting stopper 31 for limiting milling cutter seat 2, limiting stopper 31 can limit milling cutter seat 2, prevent milling cutter seat 2 from separating from guide rail 1, limiting stopper 31 is fixed on connecting rod 3 by bolt connection, convenient for the loading and unloading and adjustment of limiting stopper 31.

[0021] As Figures 1-6 The utility model discloses a kind of slot chamfer repair device of LNG ship insulating module, including guide rail 1, milling cutter seat 2 being arranged on guide rail 1 and milling cutter device being arranged on milling cutter seat 2, both ends of guide rail 1 are provided with quick positioning piece 4, quick positioning piece 4 is made of fixed part 41 and positioning part 42, fixed part 41 and positioning part 42 are perpendicular to each other and integrally formed, milling cutter device includes milling cutter body 5, milling cutter 51 being arranged in the lower part of milling cutter body 5, handrail 52 being arranged on milling cutter body 5, milling cutter seat 2 is provided with the aperture 21 for milling cutter 51 to extend, milling cutter opening slot 43 that milling cutter device's milling cutter 51 is opposite and matches is opened in fixed part 41, positioning part 42 is used to position milling cutter 51, so that milling cutter 51 can be correspondingly extended into milling cutter opening slot 43, both ends of guide rail 1 are provided with connecting rod 3, connecting rod 3 is provided with the limiting stopper 31 for limiting milling cutter seat 2, limiting stopper 31 can limit milling cutter seat 2, prevent milling cutter seat 2 from separating from guide rail 1, limiting stopper 31 is fixed on connecting rod 3 by bolt connection, convenient for the loading and unloading and adjustment of limiting stopper 31.

[0022] In the embodiment, the distance from milling cutter 51 center to positioning part 42 is 232mm, consistent with the distance from the center of assembly slot 101 to the side of insulating main layer 100, first, slot chamfer repair device is placed on insulating plate 101 as a whole, then adjust position and make the positioning part 42 of two quick positioning pieces 4 adhere to the side of insulating main layer 100, as Figure 3 The center of milling cutter 51 is aligned with the center of assembly slot 101, then start milling cutter body 5, milling cutter seat 2 is moved along guide rail 1, until milling cutter 51 passes through milling cutter opening slot 43, this process completes chamfer repair operation for assembly slot 101, repeatedly operate until repair requirement is reached, finally take off slot chamfer repair device.

[0023] In the above chamfer repair operation, quick positioning piece 4 has milling cutter positioning function, so that milling cutter device can repair the chamfer of assembly slot 101 of insulating main layer 100 with high precision by moving on guide rail 1, under the condition that chamfer repair requirement is met, avoid chamfer operation on machine bed again, greatly simplify operation steps and operation procedure, save a large amount of operation time, improve chamfer repair efficiency, guarantee the stability of the overall preparation efficiency of insulating module.

Claims

1. A device for repairing a slotted chamfer of an insulation module for an LNG carrier, characterized in that, The application relates to a milling cutter device comprising a guide rail, a milling cutter seat arranged on the guide rail and a milling cutter device arranged on the milling cutter seat, wherein both ends of the guide rail are provided with quick positioning members, the quick positioning members are composed of fixing parts and positioning parts, the fixing parts are provided with milling cutter opening grooves matched with the milling cutter of the milling cutter device, and the positioning parts are used for positioning the milling cutter.

2. The device for repairing the slotted chamfer of an insulation module for LNG carriers according to claim 1, characterized in that, Both ends of the guide rail are provided with connecting rods, and the connecting rods are provided with limiting blocks used for limiting the milling cutter seat.

3. The device for repairing the slotted chamfer of an insulation module for LNG carriers according to claim 2, characterized in that, The limiting blocks are fixed on the connecting rods through bolt connection.

4. The device for repairing the slotted chamfer of an insulation module for LNG carriers according to claim 1, characterized in that, The fixing part and the positioning part are perpendicular to each other.

5. The device for repairing the slotted chamfer of an insulation module for LNG carriers according to claim 1, characterized in that, The fixing part and the positioning part are integrally formed.

6. The device for repairing a slotted chamfer of an insulation module for LNG carriers according to claim 1, characterized in that The milling cutter device comprises a milling cutter body, a milling cutter arranged on the lower part of the milling cutter body and a handrail arranged on the milling cutter body.

7. The device for repairing a slotted chamfer of an insulation module for LNG carriers according to claim 6, characterized in that The milling cutter seat is provided with an opening for the milling cutter to extend out.