CN203231734U - Multi-arm underground diameter measuring probe - Google Patents
Multi-arm underground diameter measuring probe Download PDFInfo
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- CN203231734U CN203231734U CN 201320129826 CN201320129826U CN203231734U CN 203231734 U CN203231734 U CN 203231734U CN 201320129826 CN201320129826 CN 201320129826 CN 201320129826 U CN201320129826 U CN 201320129826U CN 203231734 U CN203231734 U CN 203231734U
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- slide
- coupling ring
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- stock
- pole
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Abstract
The utility model discloses a multi-arm underground diameter measuring probe. According to a specific structure of the multi-arm underground diameter measuring probe, a support rod is equipped with a suspension ring, a counterweight and a plurality of pairs of measuring arms; according to a structure of each measuring arm, two ends of a slide rod are respectively equipped with a fixing block A and a fixing block B, the fixing block A is equipped with a laser displacement sensor, a central portion of the slide rod is sleeved with a slide block, a spring is arranged between the slide block and the fixing block A, the slide block is connected with a long rod through a connection ring A, the fixing block B is further connected with another long rod through a connection ring B, the other ends of the two long rods are connected together, and a connection position of the two long rods are equipped with a roller. Inner diameter dimensions of a tube well can be indirectly calculated through a displacement distance of the slide block detected by the laser displacement sensor, the multi-arm underground diameter measuring probe has advantages of simple structure, easy operation, convenient maintenance, sensitive analysis and accurate measurement. A problem of low analysis sensitivity caused by indirect detection employing a slide potentiometer in a traditional mechanical type caliper is solved.
Description
Technical field
The utility model relates to a kind of diameter tester, is specifically related to a kind of mechanical type wellbore gauging instrument.
Background technology
In petroleum prospecting, recovery process, and in the tailing dam saturation line detection, all kinds of detection instrument need be deep in long and narrow sleeve pipe or the circle well, but corrosion, fouling along with tube wall, the borehole wall, or because of external force reason etc., can cause deformation gradually, and if deformation is excessive, then will survey instrument deeply advance long and narrow sleeve pipe or the circle well process in, can cause the damage of measurement instrument.Therefore, will survey instrument deeply advance long and narrow sleeve pipe or the circle well before, need to sleeve pipe or the circle well the inside dimension situation survey.
Traditional mechanical type multi-finger caliper mainly is to open with closure by the test arm of probe to drive slide potentiometer, feeds back the variation of calculating hole diameter according to the variation of potential difference signal.But this mode is owing to movable being limited in scope of slide block of slide potentiometer, and therefore when less variation took place hole diameter, the variable quantity of caused potential difference signal was not enough to by accurate analyzing and testing, causes the accuracy of detection of this kind method not high enough.
At present the method for well logging internal diameter commonly used mostly is ultrasonic method or microwave method, and the travel-time by reflection wave and the product of speed are inferred the inside radius of well.But such method for internal diameter bigger pipe or well, has effect preferably; And when the internal diameter of well hour, too harsh and can't be suitable for to the performance of detector and volume requirement.The cost of this kind instrument is for the mechanical type multi-finger caliper in addition, and cost is also too expensive.
Summary of the invention
At the existing shortcoming of existing machinery formula down-hole caliper, but the utility model provides a kind of multi-arm type down-hole of Accurate Analysis well radius variations of relative low price to calibrate probe.
Concrete technical scheme of the present utility model is:
Apparatus structure of the present utility model is as shown in Figure 1: the higher authorities of pole 1 suspension ring 4 are housed, at following of pole 1 counterweight 2 is housed, pole 1 the right gage beam of some compositions 3 is housed, be that per two gage beams 3 are one group, being that axle center one-tenth is symmetrical with pole 1 installs, and each is organized and evenly is scattered in a circumference between the gage beam 3.In order to narrate conveniently, the utility model is that example describes so that two gage beams 3 only to be housed.
The structure of gage beam 3 is as shown in Figure 2: the higher authorities at slide bar 301 are equipped with fixed block A309, and laser displacement sensor 308 is installed on the fixed block A309; At following of slide bar 301 fixed block B310 is housed; Position, stage casing at slide bar 301 is with slide block 302, and slide block 302 can be free to slide at slide bar 301; Between slide block 302 and fixed block A309, spring 307 is installed; Be shaped on coupling ring A303 at slide block 302, be shaped on coupling ring B304 at fixed block B310, and guarantee that coupling ring A303 equates to the distance of slide bar 301 with coupling ring B304 to the distance of slide bar 301; The other end that coupling ring A303 and coupling ring B304 are connected to 305, two stocks 305 of a stock separately links together and in the position that connects roller 306 is installed; The structure of stock 305 as shown in Figure 3, the two ends of stock 305 have circular hole, utilize the circular hole at stock 305 two ends, the connected mode by routine can make connection between the stock 305 and stock 305 respectively with coupling ring A303 and coupling ring B304 between be connected and can in the certain angle scope, rotate freely.
Gage beam 3 is connected and fixed by fixed block A309 and fixed block B310 and pole 1, and it is parallel with pole 1 to guarantee to install back slide bar 301.
Concrete application process is as follows:
When probe of the present utility model in use, the desire that extend into is straight down measured in the pipe well of internal diameter, owing to be subjected to the constraint effect of pipe well wall, roller 306 can be drawn close to pole 1 direction, promoting slide block 302 slides and compression spring 307 to fixed block A309 direction, and under the effect of spring 307, make when the pipe well internal diameter changes, roller 306 still can be close to the pipe well inwall.
According to output signal and the trigonometric function relation of laser displacement sensor 308, can obtain the radius of measured well casing inside by following computing formula:
The high h of coupling ring A303, coupling ring B304 and roller 306 threes' isosceles triangle that the center of circle constitutes satisfies the trigonometric function relation:
, wherein L is the distance of the stock 305 two ends circular hole hearts, L2 is the distance in the coupling ring A303 center of circle and the coupling ring B304 center of circle;
And have, wherein L1 is the distance in laser displacement sensor 308 and the coupling ring B304 center of circle, L3 is the distance that slide block 302 coboundarys are arrived in the coupling ring A303 center of circle, and L4 is that laser displacement sensor 308 detected laser displacement sensors 308 are to the distance of slide block 302 coboundarys;
And the radius R of measured well casing inside satisfies formula:
Wherein r1 is the radius of pole 1, h1 is that gage beam 3 installs and fixes the coupling ring A303 center of circle, back to the distance of pole 1 with pole 1, h is the height of coupling ring A303, coupling ring B304 and roller 306 threes' isosceles triangle that the center of circle constitutes, and r2 is the radius of roller 306;
Then have:
If order
,
,
, then following formula can be reduced to:
L4 is that 308 pairs of laser displacement sensors of laser displacement sensor 308 are to slide block 302 coboundary distance detection results in the formula; A, B, C are constant term, can obtain by the actual measurement of r1, h1, r2, L, L1, L3 is calculated, also can be by the conventional non-line line retrace algorithm of employing after the measurement of many groups fixed well bore is obtained.
The beneficial effects of the utility model are: apparatus structure is simple, is convenient to disassembly and assembly, and is cheap, and easy to operate, the analysis precision height; By being equipped with the gage beam of various sizes model, can adapt to the vertical shaft of plurality of specifications, the internal diameter detection of pipeline.Adopt the roller mode to contact with the well casing inwall, be beneficial to the probe measurement that in well casing, pumps.
Description of drawings
Fig. 1: structural representation of the present utility model;
Fig. 2: the structural representation of gage beam in the utility model;
Fig. 3: the structural representation of stock in the utility model;
Fig. 4: in the utility model measuring method computing formula, the synoptic diagram of each size on the corresponding gage beam;
Among the figure: 1 pole, 2 counterweights, 3 gage beams, 4 suspension ring, 301 slide bars, 302 slide blocks, 303 coupling ring A, 304 coupling ring B, 305 stocks, 306 rollers, 307 springs, 308 laser displacement sensors, 309 fixed block A, 310 fixed block B.
Embodiment
Apparatus structure and the using method of accompanying drawings half utility model.
Apparatus structure of the present utility model is as shown in Figure 1: the higher authorities of pole 1 suspension ring 4 are housed, at following of pole 1 counterweight 2 is housed, pole 1 the right gage beam of some compositions 3 is housed, be that per two gage beams 3 are one group, being that axle center one-tenth is symmetrical with pole 1 installs, and each is organized and evenly is scattered in a circumference between the gage beam 3.In order to narrate conveniently, the utility model is that example describes so that two gage beams 3 only to be housed.
The structure of gage beam 3 is as shown in Figure 2: the higher authorities at slide bar 301 are equipped with fixed block A309, and laser displacement sensor 308 is installed on the fixed block A309; At following of slide bar 301 fixed block B310 is housed; Position, stage casing at slide bar 301 is with slide block 302, and slide block 302 can be free to slide at slide bar 301; The detection side of laser displacement sensor 308 can detect laser displacement sensor 308 to the distance of slide block 302 coboundarys in real time to being towards slide block 302, and should distance export with digital signal form; Between slide block 302 and fixed block A309, spring 307 is installed; Be shaped on coupling ring A303 at slide block 302, be shaped on coupling ring B304 at fixed block B310, and guarantee that coupling ring A303 equates to the distance of slide bar 301 with coupling ring B304 to the distance of slide bar 301; The other end that coupling ring A303 and coupling ring B304 are connected to 305, two stocks 305 of a stock separately links together and in the position that connects roller 306 is installed; The structure of stock 305 as shown in Figure 3, the two ends of stock 305 have circular hole, utilize the circular hole at stock 305 two ends, connected mode by routine can make connection between the stock 305 and stock 305 respectively with coupling ring A303 and coupling ring B304 between be connected and can in the certain angle scope, rotate freely, and can realize following situation: when slide block 302 when slide bar 301 slides, drive two stocks 305 and slide bar 301 zone that surrounds and be base length and highly different isosceles triangles.
Gage beam 3 is connected and fixed by fixed block A309 and fixed block B310 and pole 1, and it is parallel with pole 1 to guarantee to install back slide bar 301.
Concrete application process is as follows:
When probe of the present utility model in use, the desire that extend into is straight down measured in the pipe well of internal diameter, owing to be subjected to the constraint effect of pipe well wall, roller 306 can be drawn close to pole 1 direction, promoting slide block 302 slides and compression spring 307 to fixed block A309 direction, and under the effect of spring 307, make when the pipe well internal diameter changes, roller 306 still can be close to the pipe well inwall.
According to the output signal of laser displacement sensor 308, can obtain the radius R of measured well casing inside by following computing formula:
；
L4 is that 308 pairs of laser displacement sensors of laser displacement sensor 308 are to slide block 302 coboundary distance detection results in the formula; A, B, C are constant term, its separately value be respectively
,
,
Wherein r1 is the radius of pole 1, h1 is that gage beam 3 installs and fixes the coupling ring A303 center of circle, back to the distance of pole 1 with pole 1, r2 is the radius of roller 306, L is the distance of the stock 305 two ends circular hole hearts, L1 is the distance in laser displacement sensor 308 and the coupling ring B304 center of circle, and L3 is that the coupling ring A303 center of circle is to the distance of slide block 302 coboundarys.
The concrete value of above A, B, C can obtain by the actual measurement of r1, h1, r2, L, L1, L3 is calculated, also can be by the conventional non-line line retrace algorithm of employing after the measurement of many groups fixed well bore is obtained.
Claims (1)
1. probe is calibrated in a multi-arm type down-hole, it is characterized in that:
The higher authorities of pole (1) suspension ring (4) are housed, at following of pole (1) counterweight (2) is housed, pole (1) the right gage beam of some compositions (3) is housed, be that per two gage beams (3) are one group, being that axle center one-tenth is symmetrical with pole (1) installs, and each is organized and evenly is scattered in a circumference between the gage beam (3);
The structure of gage beam (3) is: the higher authorities at slide bar (301) are equipped with fixed block A(309), fixed block A(309) on laser displacement sensor (308) is installed; At following of slide bar (301) fixed block B(310 is housed); Be with slide block (302) at the position, stage casing of slide bar (301), slide block (302) can be free to slide in slide bar (301); At slide block (302) and fixed block A(309) between spring (307) is installed; Be shaped on coupling ring A(303 at slide block (302)), at fixed block B(310) be shaped on coupling ring B(304), and guarantee coupling ring A(303) to the distance and coupling ring B(304 of slide bar (301)) equate to the distance of slide bar (301); Coupling ring A(303) and coupling ring B(304) be connected to a stock (305) separately, the other end of two stocks (305) links together and in the position that connects roller (306) is installed; The two ends of stock (305) have circular hole, utilize the circular hole at stock (305) two ends, the connected mode by routine can make connection between the stock (305) and stock (305) respectively with coupling ring A(303) and coupling ring B(304) between be connected and can in the certain angle scope, rotate freely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320129826 CN203231734U (en) | 2013-03-21 | 2013-03-21 | Multi-arm underground diameter measuring probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320129826 CN203231734U (en) | 2013-03-21 | 2013-03-21 | Multi-arm underground diameter measuring probe |
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|---|---|
| CN203231734U true CN203231734U (en) | 2013-10-09 |
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| CN 201320129826 Expired - Fee Related CN203231734U (en) | 2013-03-21 | 2013-03-21 | Multi-arm underground diameter measuring probe |
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| CN (1) | CN203231734U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106152956A (en) * | 2016-09-23 | 2016-11-23 | 苏州蓝王机床工具科技有限公司 | A kind of laser inside diameter measuring instrument |
| CN106705918A (en) * | 2017-03-23 | 2017-05-24 | 上海威纳工程技术有限公司 | Precise measurement instrument and method for internal and external diameters of large-diameter seal ring |
| CN106761694A (en) * | 2017-02-15 | 2017-05-31 | 张成功 | It is a kind of to be advised from walking run through casing size detection |
| WO2023132835A1 (en) * | 2022-01-06 | 2023-07-13 | Halliburton Energy Services, Inc. | Mechanical method for mapping a borehole shape using a drilling tool |
-
2013
- 2013-03-21 CN CN 201320129826 patent/CN203231734U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106152956A (en) * | 2016-09-23 | 2016-11-23 | 苏州蓝王机床工具科技有限公司 | A kind of laser inside diameter measuring instrument |
| CN106152956B (en) * | 2016-09-23 | 2019-05-21 | 苏州蓝王机床工具科技有限公司 | A kind of laser inside diameter measuring instrument |
| CN106761694A (en) * | 2017-02-15 | 2017-05-31 | 张成功 | It is a kind of to be advised from walking run through casing size detection |
| CN106705918A (en) * | 2017-03-23 | 2017-05-24 | 上海威纳工程技术有限公司 | Precise measurement instrument and method for internal and external diameters of large-diameter seal ring |
| WO2023132835A1 (en) * | 2022-01-06 | 2023-07-13 | Halliburton Energy Services, Inc. | Mechanical method for mapping a borehole shape using a drilling tool |
| US11753928B2 (en) | 2022-01-06 | 2023-09-12 | Halliburton Energy Services, Inc. | Mechanical method for mapping a borehole shape usng a drilling tool |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20170321 |
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| CF01 | Termination of patent right due to non-payment of annual fee |