CN217384086U - Utensil is examined in special use that metal corner fittings lead screw interval detected on marine insulation board of LNG - Google Patents
Utensil is examined in special use that metal corner fittings lead screw interval detected on marine insulation board of LNG Download PDFInfo
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- CN217384086U CN217384086U CN202220214183.7U CN202220214183U CN217384086U CN 217384086 U CN217384086 U CN 217384086U CN 202220214183 U CN202220214183 U CN 202220214183U CN 217384086 U CN217384086 U CN 217384086U
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Abstract
The utility model discloses a utensil is examined in special use that metal corner fittings lead screw interval detected on marine insulation board of LNG, including detecting the frock piece, whether qualified inspection hole of lead screw interval on a plurality of being used for judging the metal corner fittings has been seted up on the detection frock piece. The utility model discloses a design of examining the utensil detects and replaces current slide caliper to measure the detection mode, and it introduces the tolerance of lead screw interval into the inspection hole of examining the utensil, directly judges the testing result through examining the utensil, has not only improved detection efficiency, has promoted detection effect moreover.
Description
Technical Field
The utility model relates to a marine insulation board process technology field of LNG, concretely relates to utensil is examined in special use that metal corner fitting lead screw interval detected on marine insulation board of LNG.
Background
The metal corner fitting is an important part on the LNG marine insulation board, the metal corner fitting is provided with the plurality of screw rods, and hard wood pieces and filling piece modules are required to be additionally installed on the metal corner fitting, so that the distance between the adjacent screw rods is required to be detected, the distance between the screw rods is ensured to be in a qualified range, otherwise, the installation of the subsequent hard wood pieces and the filling piece modules is influenced, and further the overall process efficiency is influenced.
The existing detection method is to use a vernier caliper to measure the distance value between two adjacent screw rods, and the detection method has many disadvantages, specifically as follows:
1. the distance between the centers of the two screw rods needs to be detected, so the actual operation method comprises the steps of firstly using a vernier caliper to measure the outer edge distance between the two screw rods, wherein the distance value comprises the diameter values of the two screw rods and the inner edge distance of the two screw rods, then using the vernier caliper to measure the diameters of the two screw rods, and finally subtracting half of the sum of the diameter values of the two screw rods from the outer edge distance value to calculate the center distance between the two screw rods.
2. Because the outside distance between two lead screws, the detection of diameter value, use slide caliper all to have certain error, because the detected position is difficult to accurate to the accurate position, so the error is inevitable, and sometimes the error is still great, leads to the measuring accuracy to be difficult to obtain guaranteeing, and the detection accuracy is not very ideal.
3. The detection method has the advantages that point-to-point detection can only be carried out on the two screw rods, and the actual situation is that the distance between the whole longitudinal surfaces of the two screw rods needs to meet the requirement of the distance, so that the result is that once the screw rods incline, although the detection result is qualified, the actual distance between the two screw rods is not qualified, the installation of subsequent components is influenced, and the detection error rate is higher.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the special detection tool for detecting the distance between the metal corner pieces and the screw rods on the insulation board for the LNG ship is provided, the tolerance of the distance between the screw rods is introduced into a detection hole of the detection tool, the detection result is directly judged through the detection tool, the detection efficiency is improved, and the detection effect is improved.
The technical scheme is as follows: in order to realize the above purpose, the utility model provides a utensil is examined in special use that metal corner fittings lead screw interval detected on marine insulation board of LNG, including detecting the frock piece, whether qualified inspection hole of lead screw interval on a plurality of being used for judging the metal corner fittings has been offered on the detection frock piece.
Furthermore, the inspection holes are horizontally arranged on the inspection tool block, and the screw rods are horizontally arranged on the metal corner pieces, so that the inspection holes are also horizontally arranged as much as possible.
Furthermore, the hole center distance between the detection holes is equal to the standard distance of the screw rod distance, the diameter size of the detection holes is equal to the screw rod diameter size plus the tolerance distance value, the tolerance is introduced into the diameter and the distance of the detection holes, so that the detection holes can play a direct and accurate judgment role, as long as the two detection holes can be simultaneously sleeved with the corresponding two screw rods, namely the two screw rods can simultaneously penetrate through the two detection holes, the distance between the two screw rods is qualified, and no matter how the relative positions of the screw rods in the detection holes are, the distance between the two screw rods is within a qualified range.
Furthermore, the detection holes are of cylindrical hole structures, the inner diameters of the detection holes need to be kept longitudinally consistent, detection errors caused by inconsistent inner diameters are avoided on one hand, and on the other hand, whether the distance between the integral longitudinal faces of the screw rods is integrally qualified or not can be judged through longitudinal movement of the detection holes on the corresponding screw rods, so that the detection accuracy is ensured.
Has the advantages that: compared with the prior art, the utility model, possess following advantage:
1. through the design of the special gauge of introducing tolerance, whether the inspection hole on the gauge is matched with the lead screw for butt joint can be utilized, whether the lead screw interval is qualified or not is directly judged, and compared with the detection mode of measurement and calculation of the existing vernier caliper, the detection operation is greatly simplified, the detection efficiency is improved, and the special gauge is very favorable for batch production of products.
2. The mode of directly detecting by the detection tool is adopted, so that the operation is simple and direct, the detection result can be visually judged, the detection result cannot be influenced by manual operation, a series of problems of large operation error, low precision and the like in the measurement of the existing vernier caliper are solved, and the vernier caliper has extremely good detection accuracy and stability.
3. Whether the distance between the whole longitudinal surfaces of the screw rod is integrally qualified or not can be judged according to whether the detection hole can smoothly move up and down on the screw rod or not through longitudinal movement of the detection tool, and the problem that the distance between the whole longitudinal surfaces of the screw rod is difficult to detect in place in the conventional vernier caliper measurement mode is solved, so that the detection comprehensiveness is improved, and the accuracy of the final detection result is ensured.
Drawings
FIG. 1 is a schematic structural view of a special inspection device of the present invention;
FIG. 2 is a schematic size diagram of the special fixture in the embodiment;
fig. 3 is a schematic view of a metal corner fitting to be inspected.
Detailed Description
The present invention will be further elucidated with reference to the drawings and specific embodiments, which are to be understood as illustrative only and not as limiting the scope of the invention, after reading the present invention, modifications of various equivalent forms of the invention by a person skilled in the art will fall within the scope of the appended claims.
As shown in FIG. 1, the utility model provides a utensil is examined in special use that metal angle spare lead screw interval detected on LNG marine insulation board, including the detection frock piece 1 of rectangle structure, detect frock piece 1 and go up the level and offer the three inspection hole that whether is qualified of lead screw interval that is used for judging on the metal angle spare, three inspection hole is first inspection hole 2 respectively in this embodiment, second inspection hole 3 and third inspection hole 4, first inspection hole 2, second inspection hole 3 and third inspection hole 4 are the cylinder hole structure, and the internal diameter of every inspection hole vertically keeps unanimous.
As shown in fig. 3, in this embodiment, the special fixture is used to detect the distance between the two lead screws on the metal corner fitting 5 on the LNG ship insulation board, where the metal corner fitting 5 includes four lead screws, in this embodiment, the two lead screws to be detected are the first lead screw 6 and the second lead screw 7, respectively, in this embodiment, the metal corner fitting 5 is a 90-degree metal corner fitting SC1-01, the distance between the centers of the lead screws is required to be 110mm, and the diameters of the lead screws are 10 ± 0.50mm, that is, the qualified distance between the first lead screw 6 and the second lead screw 7 is 110mm ± 0.50 mm.
As shown in fig. 2, in the present embodiment, the length of the detection tool block 1 is 140mm, the width thereof is 30mm, the thickness thereof is 10mm, the distance between the centers of the first detection hole 2 and the third detection hole 4 is 110mm, and the diameters of the first detection hole 2, the second detection hole 3 and the third detection hole 4 are all 10.5 mm.
In this embodiment, the detection tool block 1 is used to detect the first lead screw 6 and the second lead screw 7, and the specific operations are as follows: aligning a first detection hole 2 and a third detection hole 4 of a detection tool block 1 with a first screw rod 6 and a second screw rod 7 respectively, inserting the first screw rod 6 into the first detection hole 2, observing whether the second screw rod 7 can enter the third detection hole 4 or not, if the screw cannot enter, the center distance between the first screw rod 6 and the second screw rod 7 does not belong to a qualified range, if the detection tool block can enter the device, the detection tool block 1 is moved up and down, an operator observes whether the detection tool block 1 can smoothly move up and down on the first screw rod 6 and the second screw rod 7, if the screw driver can move up and down smoothly, the detection result of the distance between the first screw rod 6 and the second screw rod 7 can be directly judged to be qualified, if the vertical movement cannot be smoothly carried out, the situation that the local distance between the first screw rod 6 and the second screw rod 7 is unqualified is represented, and the distance detection result of the first screw rod 6 and the second screw rod 7 is judged to be unqualified.
Therefore, whether the distances between all the screw rods on the metal corner fitting are qualified or not can be accurately judged through the detection method, and therefore the fact that the hard wood piece and the filling piece module can be smoothly installed on the metal corner fitting is ensured finally.
Claims (3)
1. A special checking fixture for detecting the distance between metal corner pieces and screw rods on an insulating plate for an LNG ship is characterized by comprising a detection tool block, wherein a plurality of detection holes for judging whether the distance between the screw rods on the metal corner pieces is qualified or not are formed in the detection tool block;
the hole center distance between the detection holes is equal to the standard distance of the screw rod distance, and the diameter of each detection hole is equal to the sum of the diameter of the screw rod and a tolerance distance value.
2. The special detection tool for detecting the spacing between the metal corner piece lead screws on the insulation board for the LNG carrier as claimed in claim 1, wherein the detection holes are horizontally arranged on the detection tool block.
3. The special detection tool for detecting the spacing between the metal corner piece lead screws on the insulation board for the LNG ship as claimed in claim 1, wherein the detection hole is of a cylindrical hole structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220214183.7U CN217384086U (en) | 2022-01-26 | 2022-01-26 | Utensil is examined in special use that metal corner fittings lead screw interval detected on marine insulation board of LNG |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220214183.7U CN217384086U (en) | 2022-01-26 | 2022-01-26 | Utensil is examined in special use that metal corner fittings lead screw interval detected on marine insulation board of LNG |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217384086U true CN217384086U (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220214183.7U Active CN217384086U (en) | 2022-01-26 | 2022-01-26 | Utensil is examined in special use that metal corner fittings lead screw interval detected on marine insulation board of LNG |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217384086U (en) |
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2022
- 2022-01-26 CN CN202220214183.7U patent/CN217384086U/en active Active
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