Measuring tool for measuring wall thickness of flanged pipe
By designing a measuring tool consisting of a ruler, a straightedge, a positioning slider, an alignment slider, and a vertical ruler, the problem that existing tools cannot measure the uneven wall thickness of flange pipes has been solved, enabling rapid and accurate measurement of flange pipe wall thickness.
Patent Information
- Application Number
- CN202520511187.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-22
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-03-22
AI Technical Summary
Existing standard measuring tools such as steel rulers, calipers, and height gauges cannot directly measure the uneven wall thickness of flange pipes, especially in the field of oil drilling where it is difficult to accurately measure the minimum wall thickness.
A measuring tool consisting of a ruler, a straight ruler, a positioning slider, an alignment slider, and a vertical ruler was designed. It measures the thickness of flange pipe walls through sliding connections and scale lines. The positioning is achieved by locking the pin screw, with an accuracy of 1 mm. The accuracy can be improved to 0.1 mm by adding a vernier caliper.
It enables accurate measurement of flange wall thickness, especially in cases of non-uniform pipe walls, where the minimum wall thickness can be found quickly and accurately.
Smart Images
Figure CN223710498U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of measuring tools, especially a measuring tool for measuring the wall thickness of flange pipe. BACKGROUND
[0002] Flange pipe is often used in water supply and drainage engineering, especially in the field of petroleum drilling, and is an indispensable industrial product. Important projects require a minimum thickness of the pipe wall of the flange pipe, which needs to be measured. However, the commonly used standard measuring tools such as steel ruler, caliper, height ruler and depth ruler cannot directly measure the thickness of the pipe wall due to the obstruction of the flange, especially when the pipe wall thickness is uneven, it is very difficult to find the minimum wall thickness, not to mention accurate measurement. The utility model is designed to solve this problem. SUMMARY
[0003] The utility model provides a kind of measuring tool for measuring the wall thickness of flange pipe, which can be used to measure the wall thickness of flange pipe.
[0004] The technical scheme of the utility model is as follows: a measuring tool for measuring the wall thickness of flange pipe, comprising a square ruler, a ruler, a positioning slider, an alignment slider and a vertical ruler; the ruler is parallel to the horizontal edge of the square ruler; one end of the ruler is slidably connected to the vertical edge of the square ruler; the vertical ruler is slidably connected to the ruler by the alignment slider; the positioning slider is slidably arranged on the horizontal edge of the square ruler.
[0005] As an improvement to the utility model, the positioning slider is slidably connected to the horizontal edge of the square ruler by a sliding pair.
[0006] As an improvement to the utility model, the sliding pair is locked and positioned by a thimble screw.
[0007] As an improvement to the utility model, scale lines are provided on the horizontal edge of the square ruler and the ruler, and the scale lines of the horizontal edge of the square ruler and the ruler are aligned.
[0008] As an improvement to the utility model, the alignment slider is provided with a horizontal sliding groove and a vertical sliding groove, which realizes the sliding of the alignment slider on the ruler and the sliding of the vertical ruler in the vertical direction.
[0009] As an improvement to the utility model, the positioning slider and the vertical ruler are arranged in the same vertical plane.
[0010] As an improvement to the utility model, a first pointed end is provided at the upper end of the positioning slider, and a second pointed end is provided at the lower end of the vertical ruler, and when the vertical ruler is moved downward, the first pointed end and the second pointed end realize point-to-point contact.
[0011] The utility model discloses an improved utility model, the angle square, the ruler, the positioning slider, the alignment slider and the vertical ruler are all made of tool steel.
[0012] The utility model discloses a measuring tool for measuring the wall thickness of a flange pipe, which comprises an angle square, a ruler, a positioning slider, an alignment slider and a vertical ruler. BRIEF DESCRIPTION OF DRAWINGS
[0013] The utility model will be described in detail below in combination with the drawings and examples. The drawings only conceptually show the composition and structure of the utility model and can contain exaggerated display and are not drawn to scale.
[0014] Figure 1 is the three-dimensional structure schematic diagram of one embodiment of the utility model.
[0015] Figure 2 is Figure 1 the ruler structure schematic diagram in.
[0016] Figure 3 is Figure 1 the positioning slider structure schematic diagram in.
[0017] Figure 4 is Figure 1 the alignment slider structure schematic diagram in.
[0018] Figure 5 is Figure 1 the measurement 0 position schematic diagram of.
[0019] Figure 6 is Figure 1 the use state schematic diagram of the example shown.
[0020] REFERENCE SIGNS:
[0021] Angle square 1; horizontal edge 11; vertical edge 12;
[0022] Ruler 2; top pin screw 21; ruler sliding groove 22;
[0023] Positioning slider 3; first edge tip 31; top pin screw 32; positioning slider sliding groove 33;
[0024] Alignment slider 4; top pin screw 41; top pin screw 42; alignment slider vertical sliding groove 43; alignment slider horizontal sliding groove 44;
[0025] Vertical ruler 5; second edge tip 51;
[0026] flange pipe 6;
[0027] horizontal edge scale line a;
[0028] ruler scale line b;
[0029] vertical scale line c. DETAILED DESCRIPTION
[0030] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the utility model gauge is composed of a square ruler 1, a ruler 2, a positioning sliding block 3, an alignment sliding block 4 and a vertical ruler 5, the square ruler 1 is composed of a square ruler horizontal edge 11 and a square ruler vertical edge 12 which are perpendicular to each other, the ruler 2 is arranged parallel to the square ruler horizontal edge 11, one end of the ruler 2 is slidably connected to the square ruler vertical edge 12, the vertical ruler 5 is slidably connected to the ruler 2 through the alignment sliding block 4, and the positioning sliding block 3 is slidably arranged on the square ruler horizontal edge 11.
[0031] The left end of the ruler 2 is provided with a sliding groove 22, and the ruler 2 is sleeved on the square ruler horizontal edge 12 to form a second sliding pair, and when fixing is needed, a second thimble screw 21 can be tightened to achieve fixing. The alignment sliding block 4 is simultaneously provided with a horizontal sliding groove 44 and a vertical sliding groove 43, the horizontal sliding groove 44 is sleeved on the ruler 2 to form a third sliding pair, and when fixing is needed, a second thimble screw 41 can be tightened to achieve fixing, and the vertical ruler 5 is inserted into the vertical sliding groove 43, and when fixing is needed, a third thimble screw 42 can be tightened to achieve fixing.
[0032] Preferably, the positioning sliding block 3 is slidably connected to the square ruler horizontal edge 11 through the first sliding pair.
[0033] Preferably, the first sliding pair is locked and positioned by the first thimble screw 31.
[0034] Preferably, scale lines are arranged on the square ruler horizontal edge 11 and the ruler 2, and the scale lines of the square ruler horizontal edge 11 of the square ruler 1 are aligned with the scale lines of the ruler 2.
[0035] Preferably, the alignment sliding block 4 is provided with a horizontal sliding groove and a vertical sliding groove, so as to realize the sliding of the alignment sliding block on the ruler and the sliding of the vertical ruler 5 in the vertical direction.
[0036] Preferably, the positioning sliding block 3 and the vertical ruler 5 are arranged in the same vertical plane.
[0037] Preferably, a first edge 31 is arranged at the upper end of the positioning slide 3, and a second edge 51 is arranged at the lower end of the vertical ruler 5, and the first edge 31 and the second edge 51 achieve a point-to-point contact when the vertical ruler 5 is moved downward.
[0038] Preferably, the bevel ruler 1, the flat ruler 2, the positioning slide 3, the alignment slide 4 and the vertical ruler 5 are all made of tool steel.
[0039] Measurement step 1: Before starting the measurement, the height of the flat ruler 2 is adjusted so that the distance between the flat ruler 2 and the inner space of the horizontal edge 11 of the bevel ruler is greater than or equal to the radius of the flange, and the set pin screw 21 is tightened to fix the flat ruler 2.
[0040] Measurement step 2: According to the size of the position to be measured on the pipe wall, the position of the positioning slide 3 is adjusted and the first set pin screw 31 is tightened to fix it. The position of the alignment slide 4 is adjusted so that the reading of the horizontal scale line b is equal to the reading of the horizontal scale line a, so as to realize the alignment of the first edge 31 and the second edge 51.
[0041] Measurement step 3: The vertical ruler 5 is moved downward until the second edge 51 contacts the first edge 31, and the reading X0 of the scale line c is read, which is regarded as the thickness of 0, as shown in Figure 5 . Then the vertical ruler is moved upward to a certain height.
[0042] Measurement step 4: The horizontal edge 11 of the bevel ruler of the bevel ruler 1 is placed into the inner cavity of the flange pipe 6, and the edge 31 contacts the inner wall of the flange pipe, and the vertical ruler 5 is moved downward until the second edge 51 contacts the outer wall of the flange pipe, and the reading X1 of the scale line c is read, as shown in Figure 6 . Then the vertical ruler 5 is slightly moved upward.
[0043] Measurement step 5: The bevel ruler 1 is moved to another position, and the first edge 31 contacts the inner wall of the flange pipe 6, and the vertical ruler 5 is moved downward until the second edge 51 contacts the outer wall of the flange pipe 6, and the reading X2 of the scale line c is read, and so on, so that the readings X2, X3, X4, X5, … of the different position points of the flange pipe can be obtained.
[0044] Measurement step 6: |X1-X0|, |X2-X0|, |X3-x0|, |X4-x0|, |X5-X0|, … are calculated, that is, the thickness of the flange pipe wall of the measured points is obtained.
[0045] In this embodiment, the minimum scale of the scale line c of the vertical ruler 5 is 1mm, so the measurement accuracy is 1mm, but the measurement accuracy can be improved to 0.1mm by adding a vernier scale on the vertical ruler 5.
[0046] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can make equivalent substitutions or changes to the technical solutions and the inventive concept of the present application within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A gage for measuring the wall thickness of a flanged pipe, characterized by: The measuring tool is composed of a bevel square, a ruler, a positioning slider, an alignment slider and a vertical ruler; the ruler is arranged parallel to the horizontal edge of the bevel square, and one end of the ruler is slidably connected to the vertical edge of the bevel square; the vertical ruler is slidably connected to the ruler perpendicularly through the alignment slider; and the positioning slider is slidably arranged on the horizontal edge of the bevel square.
2. The gauge of claim 1, wherein: The positioning slider is slidably connected to the horizontal edge of the bevel square through a first sliding pair.
3. The gauge of claim 2, wherein: The first sliding pair is locked and positioned through a first top pin screw.
4. A gauge according to claim 1 or 2 or 3 characterised in that: Scale lines are arranged on the horizontal edge of the bevel square and the ruler, and the scale lines of the horizontal edge of the bevel square and the ruler are aligned.
5. A gauge according to claim 1 or 2 or 3 characterised in that The alignment slider is provided with a horizontal sliding groove and a vertical sliding groove, so as to realize the sliding of the alignment slider on the ruler and the sliding of the vertical ruler in the vertical direction.
6. The gauge of claim 1 or 2 or 3, wherein: The positioning slider and the vertical ruler are arranged in the same vertical plane.
7. The gauge of claim 1 or 2 or 3, wherein: A first pointed end is arranged at the upper end of the positioning slider, and a second pointed end is arranged at the lower end of the vertical ruler, so that the first pointed end and the second pointed end realize pointed end-to-pointed end contact when the vertical ruler is moved downward.
8. The gauge of claim 1 or 2 or 3, wherein: The bevel square, the ruler, the positioning slider, the alignment slider and the vertical ruler are all made of tool steel.