CN213022265U - Casing string strength detection tool - Google Patents
Casing string strength detection tool Download PDFInfo
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- CN213022265U CN213022265U CN202021973581.4U CN202021973581U CN213022265U CN 213022265 U CN213022265 U CN 213022265U CN 202021973581 U CN202021973581 U CN 202021973581U CN 213022265 U CN213022265 U CN 213022265U
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- casing string
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- dial indicator
- strength testing
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- 238000001514 detection method Methods 0.000 title claims abstract description 40
- 238000005259 measurement Methods 0.000 claims abstract description 17
- 238000012360 testing method Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The utility model discloses a casing string strength detection tool, including detection base, base clip, straight stick, percentage table, briquetting, the lower part of detection base is equipped with the base clip, the base clip cup joints to press from both sides tightly to be fixed in the lower part of detection base, the other end of base clip is fixed and is carried the lower part of straight stick, the upper portion of straight stick is fixed with the percentage table; the casing pipe to be detected is placed in the detection base, and the briquetting has been placed to casing pipe top to be detected. The utility model discloses a casing string intensity detection tool can guarantee that the sleeve pipe atress is even, can prevent the sleeve pipe departure when the pressurized simultaneously, increases the security. The deformation of the sleeve can be read in real time, the operation is simple, the measurement accuracy is improved, and the working efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of the sleeve pipe detects, concretely relates to casing string intensity detection tool.
Background
Sleeves are currently used in all aspects of life as an important part of fasteners. Cannulae have become an integral part of life. The sleeve can protect parts passing through the sleeve and can also play a certain supporting role. When the casing is used for supporting, the column strength of the casing needs to be ensured within a certain range, so that the method is particularly important for testing the strength of the casing string. During the test of the column strength, a certain force value is applied to the sleeve, and whether the column strength is qualified or not is judged by measuring the deformation of the tested sleeve.
In the existing measurement process, the following defects exist:
1) when the column strength test is directly carried out on the metal sleeve, if the surface of the sleeve is uneven and the stress is uneven, the metal sleeve is easy to fly out;
2) the existing tensile machine can test the deformation of the sleeve under certain pressure, but the numerical precision can only be read at 0.1mm, and the deformation can only be obtained through a pressure curve graph. The deformation of some parts needs to be controlled in a small range, and the reading precision is overlarge;
3) because the metal sleeve has plastic deformation, when the pressure of a tensile machine is cancelled, the product can rebound, the size of the product after rebounding cannot be obtained through the tensile machine, and the measurement value is easy to be inaccurate due to the difference of the measurement method and the measurement point when the caliper is used for measurement.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims to solve the defects in the prior art, and provides a casing string strength detection jig which can ensure the uniform stress of a casing pipe, prevent the casing pipe from flying out when being pressed and increase the safety; the deformation of the sleeve can be read in real time, the operation is simple, the measurement accuracy is improved, and the working efficiency is improved.
The technical scheme is as follows: the utility model discloses a casing string strength detection tool, including detection base, base clip, straight stick, percentage table, briquetting, the lower part of detection base is equipped with the base clip, the base clip cup joints to press from both sides tightly to be fixed in the lower part of detection base, the other end of base clip is fixed and is carried the lower part of straight stick, the upper portion of straight stick is fixed with the percentage table; the casing pipe to be detected is placed in the detection base, and the briquetting has been placed to casing pipe top to be detected.
Furthermore, the other end of the base clamp is provided with a round hole for clamping the lower part of the straight rod and is fixed through a fixing bolt.
Further, still include the percentage table clip, the percentage table clip cup joints on the straight stick, the percentage table clip can rotate and reciprocate on the straight stick.
Furthermore, a dial indicator is fixed on the dial indicator clamp.
Furthermore, the detection base comprises two arc-shaped clamping pieces, and a gap is formed between the two arc-shaped clamping pieces.
Further, the two arc-shaped clamping pieces form an inner diameter slightly larger than the outer diameter of the lower part of the base.
Furthermore, a measuring head of the dial indicator is contacted with the upper plane of the pressing block during measurement.
Furthermore, the jig is positioned between two tension pressing blocks of the tension machine during measurement.
Further, the pressing block comprises a cylinder and an annular boss cylinder.
Has the advantages that: the casing string strength detection jig of the utility model can ensure the uniform stress of the casing pipe, and simultaneously can prevent the casing pipe from flying out when being pressed, thereby increasing the safety; the deformation of the sleeve can be read in real time, the operation is simple, the measurement accuracy is improved, and the working efficiency is improved.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a side view of FIG. 1;
fig. 3 is the detection device detection process schematic diagram of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The casing string strength detection jig shown in fig. 1 and 2 comprises a detection base 1 with an inner cavity, a base clamp 2, a straight rod 5, a dial indicator 6 and a pressing block 8, wherein the base clamp 2 is arranged on the lower portion of the detection base 1, the base clamp 2 is sleeved, clamped and fixed on the lower portion of the detection base 1, the other end of the base clamp 2 is fixedly clamped on the lower portion of the straight rod 5, and the dial indicator 6 is fixed on the upper portion of the straight rod 5; a tested sleeve 14 is placed in the detection base 1, and a pressing block 8 is placed above the tested sleeve 14.
As a further optimization of the above embodiment:
in this embodiment, preferably, the other end of the base clamp 2 is provided with a round hole to clamp the lower portion of the straight rod 5, and the straight rod is fixed by the first fixing bolt 3 and the second fixing bolt 4 together, so that the stability of the straight rod 5 is ensured, and the accuracy of the measurement result is ensured.
Preferably, the straight bar 5 and the detection base 1 are parallel to each other and are perpendicular to the base clip 2.
In this embodiment, it is preferable that the dial indicator further includes a dial indicator clip 11, the dial indicator clip 11 is sleeved on the straight rod 5, and the dial indicator clip 11 can rotate and move up and down on the straight rod 5. Thereby allowing the dial indicator 6 to be adjusted to a suitable position for fixing, again by tightening the clamp fixing bolt 10.
In this embodiment, preferably, the dial indicator 6 is fixed on the dial indicator clamp 11, and the dial indicator 6 is also fixed by the dial indicator fixing bolt 12, so as to ensure the connection firmness, and the dial indicator 6 cannot easily fall off or become loose.
In this embodiment, preferably, the detection substrate 1 includes two arc-shaped clamping pieces, and a gap is formed between the two arc-shaped clamping pieces. The two arc-shaped clamping pieces are used for preventing the tested casing 14 from flying out and playing a role in protection. And a small gap is formed between the two arc-shaped clamping pieces, and the gap is smaller than the width of the tested casing 14, so that the tested casing 14 is prevented from flying out from the gap, and the deformation of the tested casing 14 can be observed through the gap.
In this embodiment, preferably, the inner diameter formed by the two arc-shaped clamping pieces is larger than the outer diameters of the tested casing 14 and the pressing block 8, so that the tested casing 14 and the column part of the pressing block 8 are placed in the cavity of the detection base 1.
In this embodiment, it is preferable that the measuring head of the dial indicator 6 is in contact with the upper plane 9 of the pressure block 8 during measurement, so that the deformation amount can be measured.
In this embodiment, as shown in fig. 3, the jig is preferably located between two tension blocks 13 of the tensile machine during measurement, and the pressure deformation of the measured casing 14 is realized by the mutual pressing force of the two tension blocks 13 of the tensile machine, so as to measure relevant data.
Preferably, in this embodiment, the pressing block 8 includes a cylinder and an annular boss cylinder, one end of the cylinder is inserted into the cavity of the detection base 1, the other end of the cylinder facilitates the tension pressing block 13 to apply pressure to the surface of the cylinder, and the annular boss cylinder has an upper plane 9, and the upper plane 9 facilitates the contact of a measuring head of the dial indicator 6 to measure related data.
The utility model discloses a measurement process as follows:
firstly, a tested casing 14 is placed in an inner cavity of a detection base 1, a pressing block 8 is arranged above the detection base 1, the pressing block 8 can press the tested casing 14, and an upper plane 9 of the pressing block 8 is in contact with a measuring head 7 of a dial indicator 6.
Before the product is measured, the detection jig is assembled as described above, and the dial indicator 6 is adjusted to a proper position and zeroed.
And then placing the checking fixture on a tensile machine, adjusting the dial indicator 6 to ensure that the dial indicator is tightly attached to the upper plane of the pressing block and has a certain reading, preferably the numerical value of the reading is greater than the plastic deformation of the product, and recording the reading A of the dial indicator at the moment.
During measurement, a pressing block on the tensile machine is adjusted to a position 1-3 mm away from the pressing block, then the protective door is closed, the tensile machine is started, the tensile machine applies pressure to the pressing block 8, a measuring head 7 of the dial indicator 6 is tightly attached to the pressing block, and the upper plane 9 moves. And when the tensile machine reaches the pressure value required by the test, removing the pressure of the tensile machine.
And recording the reading B of the dial indicator at the moment after the pointer of the dial indicator is stable.
The deformation quantity Δ L of the tested casing = reading a-reading B.
The casing string strength detection jig of the utility model can ensure the uniform stress of the casing pipe, and simultaneously can prevent the casing pipe from flying out when being pressed, thereby increasing the safety; the deformation of the sleeve can be read in real time, the operation is simple, the measurement accuracy is improved, and the working efficiency is improved.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.
Claims (9)
1. The utility model provides a casing string intensity detection tool which characterized in that: the detection device comprises a detection base (1), a base clamp (2), a straight rod (5), a dial indicator (6) and a pressing block (8), wherein the base clamp (2) is arranged on the lower portion of the detection base (1), the base clamp (2) is sleeved, clamped and fixed on the lower portion of the detection base (1), the other end of the base clamp (2) fixedly clamps the lower portion of the straight rod (5), and the dial indicator (6) is fixed on the upper portion of the straight rod (5); a detected sleeve (14) is placed in the detection base (1), and a pressing block (8) is placed above the detected sleeve (14).
2. The casing string strength testing jig of claim 1, wherein: the other end of the base clamp (2) is provided with a round hole for clamping the lower part of the straight rod (5) and is fixed through a fixing bolt.
3. The casing string strength testing jig of claim 1, wherein: still include percentage table clip (11), percentage table clip (11) cup joint on straight stick (5), percentage table clip (11) can be in rotate and reciprocate on straight stick (5).
4. The casing string strength testing jig of claim 3, wherein: and a dial indicator (6) is fixed on the dial indicator clamp (11).
5. The casing string strength testing jig of claim 1, wherein: the detection base (1) comprises two arc-shaped clamping pieces, and a gap is formed between the two arc-shaped clamping pieces.
6. The casing string strength testing jig of claim 5, wherein: the inner diameter formed by the two arc-shaped clamping pieces is slightly larger than the outer diameter of the detection base.
7. The casing string strength testing jig of claim 1, wherein: when in measurement, a measuring head of the dial indicator (6) is in contact with an upper plane (9) of the pressing block (8).
8. The casing string strength testing jig of claim 1, wherein: during measurement, the jig is positioned between two tension pressing blocks (13) of the tension machine.
9. The casing string strength testing jig of claim 1, wherein: the pressing block (8) comprises a cylinder and an annular boss cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021973581.4U CN213022265U (en) | 2020-09-11 | 2020-09-11 | Casing string strength detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021973581.4U CN213022265U (en) | 2020-09-11 | 2020-09-11 | Casing string strength detection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213022265U true CN213022265U (en) | 2021-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021973581.4U Active CN213022265U (en) | 2020-09-11 | 2020-09-11 | Casing string strength detection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213022265U (en) |
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2020
- 2020-09-11 CN CN202021973581.4U patent/CN213022265U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A strength testing fixture for casing strings Granted publication date: 20210420 Pledgee: Jiangsu Taicang Rural Commercial Bank Co.,Ltd. Shaxi Branch Pledgor: Hongji Weiye (Suzhou) Auto Parts Co.,Ltd. Registration number: Y2024980000871 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |