CN117146684A - Trapezoidal seam cone angle detection device and detection method - Google Patents
Trapezoidal seam cone angle detection device and detection method Download PDFInfo
- Publication number
- CN117146684A CN117146684A CN202311422668.0A CN202311422668A CN117146684A CN 117146684 A CN117146684 A CN 117146684A CN 202311422668 A CN202311422668 A CN 202311422668A CN 117146684 A CN117146684 A CN 117146684A
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- angle
- trapezoid
- rod
- slit
- workbench
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- 238000001514 detection method Methods 0.000 title claims description 56
- 238000000034 method Methods 0.000 claims abstract description 8
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000009659 non-destructive testing Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000003208 petroleum Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/241—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for measuring conicity
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a nondestructive testing device and a nondestructive testing method for cone angle of a trapezoid seam, and belongs to the technical field of petroleum tool manufacturing. The cone angle of the trapezoid slit can be detected directly, conveniently and at low cost without damaging the screen pipe structure, so that the processing quality of the trapezoid slit screen pipe can be known. A sheet feeler gauge at one end of the ruler rod is attached to one side surface of the trapezoid slit to be measured, and an initial position line on an angle pointer indication dial at the other end of the ruler rod is obtained; and the sheet-shaped feeler gauge is attached to the surface of the other side of the trapezoid slit to be measured, so that a termination position line on the angle pointer indicating dial is obtained. The absolute value of the angle between the initial position line and the final position line indicated by the angle pointer is the taper angle of the trapezoid slit to be measured.
Description
Technical Field
The invention relates to a trapezoid slit cone angle detection device and a trapezoid slit cone angle detection method, and belongs to the technical field of petroleum tool manufacturing.
Background
The slotted screen pipe for well completion at present has two main types of structures in the shape of the cross section of the gap: the cross section is rectangular, namely the widths of the inner and outer seams are the same, and when the liquid flow sand inclusion flows into the pipe from the outside of the pipe, the gaps are easily blocked by sand grains, so that the efficiency of filtering liquid flow is lost; in addition, the cross section is an isosceles trapezoid with a narrow outer slit and a wide inner slit, the liquid flows smoothly, the liquid is diffused, and the slit has good self-cleaning property. The trapezoidal seam has better performance than the rectangular seam and is popular with users.
The cross section of the trapezoid slotted screen pipe is trapezoid, the larger the cone angle is, the better the self-cleaning property is, but the strength of the pipe body is reduced. Therefore, the taper angle is generally preferably (6 DEG to 12 ℃).
The width of the outer slit of the trapezoid slit is generally more than or equal to 0.15 plus or minus 0.05mm, and the cone angle is generally (6-12 degrees) plus or minus 1 degree.
The sieve tube is generally heavy and long (weighing hundreds of kilograms and 10 meters long), and the size of the trapezoid slit cone angle of the cross section of the sieve tube can be measured only by cutting the sieve tube by a destructive means, so that the sieve tube obviously does not meet the use requirement of a production field. The nondestructive testing device and the nondestructive testing method are expected to be used in the production field, the screen pipe structure is not damaged, and the cone angle of the trapezoid slit can be measured directly, conveniently and at low cost, so that the processing quality of the trapezoid slit screen pipe can be known. However, at present, no detection instrument and no detection method for directly and conveniently measuring the taper angle of the trapezoid slit at the production site at home and abroad exist.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a trapezoid slit cone angle detection device and a detection method, wherein the trapezoid slit cone angle detection device consists of a detection body, a workbench, a dial, a T-shaped sliding block, a ruler rod and a nut, wherein the detection body is a support, a magnetic element is fixedly arranged at the bottom of the detection body, the trapezoid slit cone angle detection device can be fixed on a sieve tube body, the workbench is in sliding connection with the detection body, one side of the detection body connected with the workbench is horizontally provided with a T-shaped guide rail groove, one side of the workbench connected with the detection body is provided with the T-shaped sliding block, the workbench can horizontally move along the T-shaped guide rail groove, one side of the workbench far away from the detection body is provided with a fixed shaft, the fixed shaft and the T-shaped sliding block are positioned at the same height, a ruler rod is sleeved on the fixed shaft, one end of the ruler rod is provided with an angle pointer, the other end of the ruler rod is provided with a sheet-shaped plug, the angle pointer and the sheet-shaped plug are positioned on the same axis of the ruler rod, the ruler rod can rotate around the fixed shaft, the fixed shaft of the workbench is also provided with the nut, and the nut can be connected with the fixed shaft through threads.
The scale disc is fixed on one side of the workbench far away from the detection body, and scales on the scale disc display the rotating angle of the angle pointer on the ruler measuring rod.
One end of the measuring staff rod is made into a sheet-shaped feeler, and the strength and the rigidity of the sheet-shaped feeler meet the requirements on the sheet-shaped feeler in the trapezoid slit cone angle detection process.
The sheet-shaped feeler gauge is made of one of high-speed steel, hard alloy or engineering ceramics, and is inserted into the trapezoid gap during working.
The detection method of the trapezoid slit cone angle detection device comprises the following steps of:
a. when the detection starts, the nut is loosened, a sheet-shaped feeler gauge at one end of the ruler rod is attached to one side surface of the trapezoid slit to be detected, and an initial position line on the dial is indicated by an angle pointer at the other end of the ruler rod;
b. tightening the nut, manually enabling the ruler measuring rod and the workbench to move, and stopping moving when the other side surfaces of the flaky feeler gauge and the trapezoid slit on the ruler measuring rod are in contact with the boundary line of the outer surface of the sieve tube;
c. and loosening the nut, manually enabling the measuring staff rod to rotate anticlockwise and simultaneously moving the workbench, attaching the sheet-shaped feeler gauge to the surface of the other side of the measured trapezoidal seam, and obtaining a termination position line on the angle pointer indication dial, wherein the detection is finished.
d. The absolute value of the angle between the initial position line and the final position line indicated by the angle pointer is the taper angle of the trapezoid slit to be measured.
The invention has the beneficial effects that the invention provides the nondestructive testing device and the nondestructive testing method for the taper angle of the trapezoid slit, the screen pipe structure is not damaged, and the taper angle of the trapezoid slit can be directly, conveniently and inexpensively tested, so that the processing quality of the trapezoid slit screen pipe can be known.
Drawings
FIG. 1 is a schematic diagram of the structure of the detecting device of the present invention.
FIG. 2 is a diagram of the initial position of the angle pointer on the measuring rod when one end of the sheet feeler gauge on the measuring rod is attached to the left side surface of the trapezoid slit;
FIG. 3 is a diagram showing a position of the worktable in the process of left displacement and counterclockwise rotation of the measuring staff rod;
FIG. 4 is a diagram of the end position of the angle pointer on the measuring rod when one end of the sheet feeler gauge on the measuring rod is attached to the right side surface of the trapezoid slit.
In the figure, 1, a detection body, 2, a workbench, 3, a dial, a 4.T sliding block, 5, a measuring staff rod and 6, a nut
Detailed Description
The invention will be further described with reference to fig. 1, fig. 2, fig. 3, and fig. 4, and specific embodiments thereof.
As can be seen from fig. 1, the trapezoid slit cone angle detection device is composed of a detection body 1, a workbench 2, a dial 3, a T-shaped sliding block 4, a measuring rod 5 and a nut 6, wherein the detection body 1 is a support, a magnetic element is fixedly arranged at the bottom of the detection body 1, the trapezoid slit cone angle detection device can be fixed on a sieve tube body, the workbench 2 is slidably connected with the detection body 1, the T-shaped guide rail groove is horizontally arranged on one side, connected with the workbench 2, of the detection body 1, the T-shaped sliding block 4 is arranged on one side, connected with the workbench 2, of the workbench 2, further the workbench 2 can horizontally move along the T-shaped guide rail groove, a fixed shaft is arranged on one side, away from the detection body 1, of the workbench 2, and is positioned at the same height as the T-shaped sliding block 4, the measuring rod 5 is sleeved on the fixed shaft, an angle pointer is formed at one end of the measuring rod 5, a sheet-shaped feeler is formed at the other end of the measuring rod, the angle pointer is positioned on the same axis of the measuring rod 5, the measuring rod 5 can rotate around the fixed shaft, the fixed shaft is further provided with the nut 6, and the nut 6 can be in threaded connection with the fixed shaft for locking the measuring rod 5.
The scale 3 is fixed on one side of the workbench 2 far away from the detecting body 1, and the scale on the scale 3 displays the rotating angle of the angle pointer on the ruler measuring rod 5.
And one end of the measuring staff rod 5 is made into a sheet-shaped feeler, and the strength and the rigidity of the sheet-shaped feeler meet the requirements on the sheet-shaped feeler in the trapezoid slit cone angle detection process.
The sheet-shaped feeler gauge is made of one of high-speed steel, hard alloy or engineering ceramics, and is inserted into the trapezoid gap during working.
As can be seen from fig. 2, when the detection starts, the nut 6 is loosened, and the sheet-shaped feeler gauge at one end of the gauge rod 5 is attached to the surface at one side (left side) of the trapezoid slit to be detected, so as to obtain the initial position line on the dial indicated by the angle pointer at the other end of the gauge rod. In the figure, the point O is the rotation center of the ruler rod 5, and the point A is the cone top of the trapezoid slit cone angle;
as can be seen from fig. 3, tightening the nut manually moves the measuring staff 5 and the table 2, and stops moving when the contact between the boundary line between the other side (right side) surface of the trapezoid slit and the outer surface of the screen is reached.
The nut 6 is loosened, the ruler measuring rod 5 is manually rotated anticlockwise around the fixed axis O point on the upper surface of the workbench 2, and meanwhile, the workbench 2 is moved, so that the sheet-shaped feeler gauge at one end of the ruler measuring rod 5 can be contacted with the surface of the other side (right side) of the trapezoid slit to be measured.
As can be seen from fig. 4, through rotation and movement, the sheet-like feeler gauge at one end of the movement gauge rod 5 is attached to the surface of the other side (right side) of the trapezoid slit, and the end position line of the angle pointer indicating dial 3 is obtained, and the detection is finished. The absolute value of the angle formed by the initial angle pointer and the final angle pointer is the cone angle alpha of the trapezoid slit to be measured.
Claims (5)
1. The utility model provides a trapezoidal seam cone angle detection device which characterized in that: the trapezoid slit cone angle detection device is composed of a detection body (1), a workbench (2), a dial (3), a T-shaped sliding block (4), a measuring rod (5) and a nut (6), wherein the detection body (1) is a support piece, a magnetic element is fixedly arranged at the bottom of the detection body (1), the trapezoid slit cone angle detection device can be fixed on a sieve tube body, the workbench (2) is slidably connected with the detection body (1), a T-shaped guide rail groove is horizontally arranged on one side, connected with the workbench (2), of the detection body (1), the T-shaped sliding block (4) is arranged on one side, connected with the detection body (1), of the workbench (2), the workbench (2) can horizontally move along the T-shaped guide rail groove, a fixed shaft is arranged on one side, far away from the detection body (1), of the fixed shaft is located at the same height, the same as the T-shaped sliding block (4), of the fixed shaft is sleeved with the measuring rod (5), one end of the measuring rod (5) is provided with an angle pointer, the angle pointer is arranged on the same axis of the measuring rod (5), the angle pointer is arranged on the same axis as the measuring rod (5), the sheet-shaped plug rod, the fixed shaft can rotate around the fixed shaft (6), and the fixed shaft (6) can be connected with the nut (6).
2. The trapezoidal slit cone angle detection apparatus according to claim 1, wherein: the scale disc (3) is fixed on one side of the workbench (2) far away from the detection body (1), and scales on the scale disc (3) display the rotating angle of the angle pointer on the ruler measuring rod (5).
3. The trapezoidal slit cone angle detection apparatus according to claim 1, wherein: one end of the measuring staff rod (5) is made into a sheet-shaped feeler gauge, and the strength and the rigidity of the sheet-shaped feeler gauge meet the requirements on the sheet-shaped feeler gauge in the trapezoid slit taper angle detection process.
4. The trapezoidal slit cone angle detection apparatus according to claim 1, wherein: the sheet-shaped feeler gauge is made of one of high-speed steel, hard alloy or engineering ceramics, and is inserted into the trapezoid gap during working.
5. A detection method of a trapezoidal slit taper angle detection apparatus according to any one of claims 1 to 4, characterized in that: the method comprises the following steps:
a. when the detection starts, the nut (6) is loosened, and a sheet-shaped feeler gauge at one end of the ruler rod (5) is attached to one side surface of the trapezoid slit to be detected, so that an initial position line on the angle pointer indication dial (3) at the other end of the ruler rod (5) is obtained;
b. tightening the nut (6), manually enabling the measuring staff rod (5) and the workbench (2) to move, and stopping moving when the surface of the other side of the trapezoid slit on the measuring staff rod (5) contacts with the boundary line of the outer surface of the sieve tube;
c. loosening the nut (6), manually enabling the measuring staff rod (5) to rotate anticlockwise and simultaneously moving the workbench (2), attaching the sheet-shaped feeler gauge to the surface of the other side of the trapezoid seam to be measured, and obtaining a termination position line on the angle pointer indication dial (3), and finishing detection;
d. the absolute value of the angle between the initial position line and the final position line indicated by the angle pointer is the taper angle of the trapezoid slit to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311422668.0A CN117146684B (en) | 2023-10-31 | 2023-10-31 | Trapezoidal seam cone angle detection device and detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311422668.0A CN117146684B (en) | 2023-10-31 | 2023-10-31 | Trapezoidal seam cone angle detection device and detection method |
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| Publication Number | Publication Date |
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| CN117146684A true CN117146684A (en) | 2023-12-01 |
| CN117146684B CN117146684B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311422668.0A Active CN117146684B (en) | 2023-10-31 | 2023-10-31 | Trapezoidal seam cone angle detection device and detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117704933A (en) * | 2024-02-06 | 2024-03-15 | 天津中杰科技发展有限公司 | Device and method for detecting cone angle of conical hole sieve tube |
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| CN116294932A (en) * | 2023-02-13 | 2023-06-23 | 四川省畜牧科学研究院 | Chest and horn device for poultry and application method thereof |
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2023
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| CN201034547Y (en) * | 2007-04-20 | 2008-03-12 | 宝山钢铁股份有限公司 | Roller surface angle positioning apparatus |
| CN202420411U (en) * | 2012-01-17 | 2012-09-05 | 河北省电力研究院 | Measuring device for engineering free plane angle |
| CN103383224A (en) * | 2013-07-05 | 2013-11-06 | 中钢集团邢台机械轧辊有限公司 | Pilger roller pass detection device and method |
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| CN211696205U (en) * | 2019-12-12 | 2020-10-16 | 苏州卡罗伊精密刀具有限公司 | Lathe tool angle measuring instrument |
| CN215447724U (en) * | 2021-07-30 | 2022-01-07 | 陕西长空齿轮有限责任公司 | Speed reducer limiting angle detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117704933A (en) * | 2024-02-06 | 2024-03-15 | 天津中杰科技发展有限公司 | Device and method for detecting cone angle of conical hole sieve tube |
| CN117704933B (en) * | 2024-02-06 | 2024-05-03 | 天津中杰科技发展有限公司 | Device and method for detecting cone angle of conical hole sieve tube |
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| CN117146684B (en) | 2024-03-01 |
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