CN212254055U - Inner diameter measuring device for pipeline - Google Patents

Inner diameter measuring device for pipeline Download PDF

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CN212254055U
CN212254055U CN201922354016.3U CN201922354016U CN212254055U CN 212254055 U CN212254055 U CN 212254055U CN 201922354016 U CN201922354016 U CN 201922354016U CN 212254055 U CN212254055 U CN 212254055U
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leather cup
pipeline
dish
leather
flange
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CN201922354016.3U
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Chinese (zh)
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杨玉
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Dazhou Detec Testing Equipment Co ltd
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Dazhou Detec Testing Equipment Co ltd
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Abstract

The utility model discloses an internal diameter caliber for pipeline, including barrel, preceding leather cup, back leather cup, a plurality of survey arm, a plurality of numerical control box and a plurality of mileage wheel of installing on the barrel surface, preceding leather cup is installed in the barrel front end through a front flange, back leather cup is installed in the barrel rear end through a back flange, a plurality of mileage wheel is installed on the back flange, preceding leather cup, back leather cup are in interference fit with the inner wall of pipeline in the circumference, survey arm and mileage wheel all are connected with the inner wall contact of pipeline; and a leather cup spacer is arranged between the straight leather cup and the disc leather cup, and the rear pressing plate is embedded into the disc leather cup of the rear leather cup and is in contact connection with the bottom of the disc leather cup. The utility model discloses can effectively avoid straight leather cup and pipeline interact to produce and warp and press the dish leather cup, and then avoid the dish leather cup to take place to warp and influence driven stability, further guarantee the stability that the device removed in the pipeline to improve the measuring accuracy of device to the pipeline.

Description

Inner diameter measuring device for pipeline
Technical Field
The utility model relates to an internal diameter caliber for pipeline belongs to pipeline detection technical field.
Background
The pipeline is an important facility for transporting liquid and gas, and is widely applied to water supply, water drainage, heat supply, gas supply, long-distance petroleum and natural gas transportation, agricultural irrigation, hydraulic engineering and various industrial devices, the pipeline is easy to generate different degrees of damage deformation after being used for a long time, the efficiency of oil and gas transportation is reduced, the loss is increased due to leakage generated in the transportation process, and meanwhile, serious potential safety hazards are caused, so that the pipeline is necessary to be regularly detected, the integrity and the peripheral safety of the pipeline are guaranteed, the operation management risk of the pipeline is reduced, and the occurrence of operation production accidents is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an internal diameter caliber for pipeline, this internal diameter caliber for pipeline are at the internal diameter deflection of current and detection pipeline in the pipeline before magnetic leakage detection device gets into the pipeline earlier, confirm whether the deflection of pipeline can allow magnetic leakage detection device to pass through and reachs accurate testing result, avoid magnetic leakage detection device card to block up the pipeline in the pipeline.
In order to achieve the above purpose, the utility model adopts the technical scheme that: an inner diameter measurer for a pipeline comprises a barrel, a front leather cup, a rear leather cup, a plurality of measuring arms arranged on the outer surface of the barrel, a plurality of numerical control boxes and a plurality of mileage wheels, wherein the front leather cup is arranged at the front end of the barrel through a front flange, the rear leather cup is arranged at the rear end of the barrel through a rear flange, the mileage wheels are arranged on the rear flange, the front leather cup and the rear leather cup are in interference fit with the inner wall of the pipeline in the circumferential direction, and the measuring arms and the mileage wheels are in contact connection with the inner wall of the pipeline;
the front leather cup is fixedly connected with the front flange through a front pressing plate, the rear leather cup is fixedly connected with the rear flange through a rear pressing plate, a plurality of front bolts sequentially penetrate through the front pressing plate, the front leather cup, the front flange and the front end face of the barrel body to fixedly connect the front pressing plate, the front leather cup and the front flange with the barrel body, and a plurality of rear bolts sequentially penetrate through the rear pressing plate, the rear leather cup, the rear flange and the rear end face of the barrel body to fixedly connect the rear pressing plate, the rear leather cup and the rear flange with the barrel body;
the utility model discloses a leather cup, including back clamp plate, measuring arm, numerical control box, back leather cup, a plurality of mileage wheel is installed on the back leather cup's of back clamp plate back on the surface along circumference equidistant, the measuring arm sets up along barrel circumference equidistant, the numerical control box is installed in the barrel surface along circumference equidistant, the numerical control box is 1 with the quantitative ratio of measuring arm: 2-8 each numerical control box is electrically connected with 2-8 measuring arms.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the number ratio of the numerical control box to the measuring arms is 1: 6.
2. in the above scheme, each numerical control box is electrically connected with 6 measuring arms arranged at intervals, and 5 measuring arms are arranged between two adjacent measuring arms in the 6 measuring arms at intervals.
3. In the above scheme, the outer surface of the cylinder body is provided with a flange part along the circumferential direction, and a plurality of measuring arms are arranged on the flange part.
4. In the scheme, the battery is arranged in the cylinder and is electrically connected with the numerical control box.
5. In the scheme, the front leather cup and the rear leather cup are both polyurethane leather cups.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
the utility model is used for the internal diameter caliber of pipeline, it can move in the pipeline that has 15% deflection, and through the detection to the pipeline internal diameter that passes through, effectively discern the deformation position of pipeline, especially sunken position and deflection, provide earlier stage data for the further detection of follow-up equipment to the pipeline, provide the guide for the detection of follow-up equipment to the pipeline; in addition, the front leather cup and the rear leather cup respectively comprise a straight leather cup and a disc leather cup, the opening part of the disc leather cup is positioned at one side opposite to the straight leather cup, a leather cup spacer is also arranged between the straight leather cup and the disc leather cup, two side surfaces of the leather cup spacer are respectively in contact connection with the straight leather cup and the disc leather cup, the front pressing plate is in contact connection with the straight leather cup of the front leather cup, the rear pressing plate is embedded into the disc leather cup of the rear leather cup and is in contact connection with the bottom of the disc leather cup, through the combination of the straight leather cup, the disc leather cup and the spacer, the device has good supporting effect and can provide enough driving force for the device by matching with liquid or gas in a pipeline, so that the device can keep balanced and stable forward in the pipeline, the precision of the device for measuring the inner diameter of the pipeline is ensured, and the arrangement of the spacer can effectively avoid the mutual action of the straight leather cup and the pipeline from deforming to press the disc leather cup, and then avoid the dish leather cup to take place to warp and influence driven stability, further guaranteed the stability that the device removed in the pipeline to improve the measurement accuracy of device to the pipeline.
Drawings
FIG. 1 is a structural sectional view of an inner diameter measuring device for a pipeline according to the present invention;
FIG. 2 is a schematic structural view of an inner diameter measuring device for a pipeline according to the present invention;
figure 3 is a schematic cross-sectional view of the cup of the present invention for measuring the inner diameter of a pipe.
In the above drawings: 1. a barrel; 2. a front leather cup; 201. a straight leather cup; 202. a dish leather bowl; 203. a leather cup spacer; 3. a back leather cup; 301. a straight leather cup; 302. a dish leather bowl; 303. a leather cup spacer; 4. measuring an arm; 5. a numerical control box; 6. a mileage wheel; 7. a front flange; 8. a rear flange; 9. a front platen; 10. a rear pressing plate; 11. a front bolt; 12. a rear bolt; 13. a flange portion; 2021. a bottom; 2022. an opening part; 3021. a bottom; 3022. an opening portion.
Detailed Description
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
Example 1: an inner diameter measurer for a pipeline comprises a barrel body 1, a front leather cup 2, a rear leather cup 3, a plurality of measuring arms 4 arranged on the outer surface of the barrel body 1, a plurality of numerical control boxes 5 and a plurality of mileage wheels 6, wherein the front leather cup 2 is arranged at the front end of the barrel body 1 through a front flange 7, the rear leather cup 3 is arranged at the rear end of the barrel body 1 through a rear flange 8, the mileage wheels 6 are arranged on the rear flange 8, the front leather cup 2 and the rear leather cup 3 are in interference fit with the inner wall of the pipeline in the circumferential direction, and the measuring arms 4 and the mileage wheels 6 are in contact connection with the inner wall of the pipeline;
the front leather cup 2 is fixedly connected with the front flange 7 through a front pressing plate 9, the rear leather cup 3 is fixedly connected with the rear flange 8 through a rear pressing plate 10, a plurality of front bolts 11 sequentially penetrate through the front pressing plate 9, the front leather cup 2, the front flange 7 and the front end face of the barrel body 1, the front pressing plate 9, the front leather cup 2, the front flange 7 are fixedly connected with the barrel body 1, a plurality of rear bolts 12 sequentially penetrate through the rear pressing plate 10, the rear leather cup 3, the rear flange 8 and the rear end face of the barrel body 1, and the rear pressing plate 10, the rear leather cup 3 and the rear flange 8 are fixedly connected with the barrel body 1;
the plurality of mileage wheels 6 are installed on the surface of the back leather cup 3 back on to the back pressure plate 10 along the circumference at equal intervals, the measuring arm 4 is arranged along the circumference of the barrel body 1 at equal intervals, the numerical control box 5 is installed on the outer surface of the barrel body 1 along the circumference at equal intervals, and the number ratio of the numerical control box 5 to the measuring arm 4 is 1: 2-8, each numerical control box 5 is electrically connected with 2-8 measuring arms 4.
The front leather cup 2 and the rear leather cup 3 further comprise straight leather cups 201 and 301 and dish leather cups 202 and 302, the opening parts of the dish leather cups 202 and 302 are positioned on one side opposite to the straight leather cups 201 and 301, a leather cup spacer 203 and 303 is further arranged between the straight leather cups 201 and 301 and the dish leather cups 202 and 302, two side surfaces of the leather cup spacer 203 and 303 are respectively in contact connection with the straight leather cups 201 and 301 and the dish leather cups 202 and 302, the front press plate 9 is in contact connection with the straight leather cup 201 of the front leather cup 2, the rear press plate 10 is embedded into the dish leather cup 302 of the rear leather cup 3 and is in contact connection with the bottom of the dish leather cup 302, the circumferential surfaces of the straight leather cups 201 and 301 are in interference fit with the inner wall of the pipeline, the circumferential surfaces of the opening parts of the dish leather cups 202 and 302 are in interference fit with the inner wall of the pipeline, the straight leather cups 201 and 301 are mainly used for supporting the whole device, and the dish leather cups 202 and 302 have larger contact area, the driving device is used for being matched with gas or liquid in the pipeline and driving the whole device to move.
The number ratio of the numerical control box 5 to the measuring arm 4 is 1: 6; each numerical control box 5 is electrically connected with 6 measuring arms 4 which are arranged at intervals, and 5 measuring arms 4 are arranged between two adjacent measuring arms 4 in the 6 measuring arms 4 at intervals;
the outer surface of the cylinder 1 is provided with a flange part 13 along the circumferential direction, and a plurality of measuring arms 4 are arranged on the flange part 13; a battery is arranged in the cylinder body 1 and is electrically connected with the numerical control box 5; the front leather cup 2 and the rear leather cup 3 are both polyurethane leather cups.
Example 2: an inner diameter measurer for a pipeline comprises a barrel body 1, a front leather cup 2, a rear leather cup 3, a plurality of measuring arms 4 arranged on the outer surface of the barrel body 1, a plurality of numerical control boxes 5 and a plurality of mileage wheels 6, wherein the front leather cup 2 is arranged at the front end of the barrel body 1 through a front flange 7, the rear leather cup 3 is arranged at the rear end of the barrel body 1 through a rear flange 8, the mileage wheels 6 are arranged on the rear flange 8, the front leather cup 2 and the rear leather cup 3 are in interference fit with the inner wall of the pipeline in the circumferential direction, and the measuring arms 4 and the mileage wheels 6 are in contact connection with the inner wall of the pipeline;
the front leather cup 2 is fixedly connected with the front flange 7 through a front pressing plate 9, the rear leather cup 3 is fixedly connected with the rear flange 8 through a rear pressing plate 10, a plurality of front bolts 11 sequentially penetrate through the front pressing plate 9, the front leather cup 2, the front flange 7 and the front end face of the barrel body 1, the front pressing plate 9, the front leather cup 2, the front flange 7 are fixedly connected with the barrel body 1, a plurality of rear bolts 12 sequentially penetrate through the rear pressing plate 10, the rear leather cup 3, the rear flange 8 and the rear end face of the barrel body 1, and the rear pressing plate 10, the rear leather cup 3 and the rear flange 8 are fixedly connected with the barrel body 1;
the plurality of mileage wheels 6 are installed on the surface of the back leather cup 3 back on to the back pressure plate 10 along the circumference at equal intervals, the measuring arm 4 is arranged along the circumference of the barrel body 1 at equal intervals, the numerical control box 5 is installed on the outer surface of the barrel body 1 along the circumference at equal intervals, and the number ratio of the numerical control box 5 to the measuring arm 4 is 1: 2-8, each numerical control box 5 is electrically connected with 2-8 measuring arms 4.
The front leather cup 2 and the rear leather cup 3 further comprise straight leather cups 201 and 301 and dish leather cups 202 and 302, the opening parts of the dish leather cups 202 and 302 are positioned on one side opposite to the straight leather cups 201 and 301, a leather cup spacer 203 and 303 is further arranged between the straight leather cups 201 and 301 and the dish leather cups 202 and 302, two side surfaces of the leather cup spacer 203 and 303 are respectively in contact connection with the straight leather cups 201 and 301 and the dish leather cups 202 and 302, the front press plate 9 is in contact connection with the straight leather cup 201 of the front leather cup 2, the rear press plate 10 is embedded into the dish leather cup 302 of the rear leather cup 3 and is in contact connection with the bottom of the dish leather cup 302, the circumferential surfaces of the straight leather cups 201 and 301 are in interference fit with the inner wall of the pipeline, the circumferential surfaces of the opening parts of the dish leather cups 202 and 302 are in interference fit with the inner wall of the pipeline, the straight leather cups 201 and 301 are mainly used for supporting the whole device, and the dish leather cups 202 and 302 have larger contact area, the driving device is used for being matched with gas or liquid in the pipeline and driving the whole device to move.
The dish leather cup 202, 302 comprises a circular ring-shaped bottom 2021, 3021 and an opening 2022, 3022, the cross section of the dish leather cup 202, 302 is hexagonal, the hexagonal is formed by connecting two isosceles trapezoids, wherein the lower base of one isosceles trapezoid is the upper base of the other isosceles trapezoid;
the shortest bottom side of the two isosceles trapezoids corresponds to the bottoms 2021, 3021 of the dish cups 202, 302; the acute angle formed between the base of one isosceles trapezoid near the bottom 2021, 3021 of the dish cup 202, 302 and the base thereof is smaller than the acute angle formed between the base of the other isosceles trapezoid away from the bottom 2021, 3021 of the dish cup 202, 302 and the base thereof.
When the inner diameter measurer for the pipeline is adopted, the inner diameter measurer for the pipeline can move in the pipeline with 15% of deformation, effectively identifies the deformation part, particularly the concave part and the deformation of the pipeline through the detection of the inner diameter of the passing pipeline, provides early-stage data for further detection of the pipeline by subsequent equipment, and provides guidance for the detection of the pipeline by the subsequent equipment; in addition, it is through straight leather cup, the combination setting of dish leather cup and dottle pin, both had good supporting role, can cooperate liquid or gas in the pipeline again, provide enough big drive power for the device, can keep balanced stable forward in the pipeline with the assurance device, thereby guarantee the device to pipeline internal diameter measurement's precision, and the setting of dottle pin, can effectively avoid straight leather cup and pipeline interact to produce and warp and press the dish leather cup, and then avoid the dish leather cup to take place to warp and influence driven stability, the stability of device removal in the pipeline has further been guaranteed, thereby improve the measuring accuracy of device to the pipeline.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (9)

1. An inside diameter measuring device for a pipe, characterized in that: the device comprises a barrel body (1), a front leather cup (2), a rear leather cup (3), a plurality of measuring arms (4) arranged on the outer surface of the barrel body (1), a plurality of numerical control boxes (5) and a plurality of mileage wheels (6), wherein the front leather cup (2) is arranged at the front end of the barrel body (1) through a front flange (7), the rear leather cup (3) is arranged at the rear end of the barrel body (1) through a rear flange (8), the mileage wheels (6) are arranged on the rear flange (8), the front leather cup (2) and the rear leather cup (3) are in interference fit with the inner wall of a pipeline in the circumferential direction, and the measuring arms (4) and the mileage wheels (6) are in contact connection with the inner wall of the pipeline;
the front leather cup (2) is fixedly connected with the front flange (7) through a front pressing plate (9), the rear leather cup (3) is fixedly connected with the rear flange (8) through a rear pressing plate (10), a plurality of front bolts (11) sequentially penetrate through the front pressing plate (9), the front leather cup (2), the front flange (7) and the front end face of the barrel body (1), the front pressing plate (9), the front leather cup (2) and the front flange (7) are fixedly connected with the barrel body (1), a plurality of rear bolts (12) sequentially penetrate through the rear pressing plate (10), the rear leather cup (3), the rear flange (8) and the rear end face of the barrel body (1), and the rear pressing plate (10), the rear leather cup (3) and the rear flange (8) are fixedly connected with the barrel body (1);
a plurality of mileage wheel (6) are installed on the surface of back leather cup (3) back to the body along circumference equidistant in back clamp plate (10), survey arm (4) and set up along barrel (1) circumference equidistant, numerical control box (5) are installed in barrel (1) surface along circumference equidistant, the quantity ratio of numerical control box (5) and survey arm (4) is 1: 2-8, electrically connecting each numerical control box (5) with 2-8 measuring arms (4);
preceding leather cup (2), back leather cup (3) all further include straight leather cup (201) and dish leather cup (202), the opening of dish leather cup (202) is located the one side of being carried on the back in straight leather cup (201), still have a leather cup shock insulator (203) between straight leather cup (201) and dish leather cup (202), two side surfaces of this leather cup shock insulator (203) are connected with straight leather cup (201), dish leather cup (202) contact respectively, preceding clamp plate (9) are connected with straight leather cup (201) contact of preceding leather cup (2), back clamp plate (10) embedding back leather cup (3) in dish leather cup (202) to be connected with the bottom contact of dish leather cup (202).
2. An inside diameter measurer for a pipe as claimed in claim 1, wherein: the number ratio of the numerical control box (5) to the measuring arm (4) is 1: 6.
3. an inside diameter measurer for a pipe as claimed in claim 2, wherein: each numerical control box (5) is electrically connected with 6 measuring arms (4) which are arranged at intervals, and 5 measuring arms (4) are arranged between two adjacent measuring arms (4) in the 6 measuring arms (4) at intervals.
4. An inside diameter measurer for a pipe as claimed in claim 1, wherein: the outer surface of the cylinder body (1) is provided with a flange part (13) along the circumferential direction, and a plurality of measuring arms (4) are arranged on the flange part (13).
5. An inside diameter measurer for a pipe as claimed in claim 1, wherein: a battery is arranged in the barrel (1) and is electrically connected with the numerical control box (5).
6. An inside diameter measurer for a pipe as claimed in claim 1, wherein: the front leather cup (2) and the rear leather cup (3) are both polyurethane leather cups.
7. An inside diameter measurer for a pipe as claimed in claim 1, wherein: the dish leather cup (202) comprises a circular ring-shaped bottom (2021) and an opening part (2022), the cross section of the dish leather cup (202) is hexagonal, the hexagonal is formed by connecting two isosceles trapezoids, and the lower bottom of one isosceles trapezoid is the upper bottom of the other isosceles trapezoid.
8. An inside diameter measurer for a pipe as claimed in claim 7, wherein: the shortest bottom side of the two isosceles trapezoids corresponds to the bottom (2021) of the dish leather bowl (202).
9. An inside diameter measurer for a pipe as claimed in claim 8, wherein: an acute angle formed between the waist of one isosceles trapezoid close to the bottom (2021) of the dish leather bowl (202) and the bottom edge thereof is smaller than an acute angle formed between the waist of the other isosceles trapezoid far away from the bottom (2021) of the dish leather bowl (202) and the bottom edge thereof.
CN201922354016.3U 2019-12-25 2019-12-25 Inner diameter measuring device for pipeline Active CN212254055U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922354016.3U CN212254055U (en) 2019-12-25 2019-12-25 Inner diameter measuring device for pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922354016.3U CN212254055U (en) 2019-12-25 2019-12-25 Inner diameter measuring device for pipeline

Publications (1)

Publication Number Publication Date
CN212254055U true CN212254055U (en) 2020-12-29

Family

ID=73972680

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922354016.3U Active CN212254055U (en) 2019-12-25 2019-12-25 Inner diameter measuring device for pipeline

Country Status (1)

Country Link
CN (1) CN212254055U (en)

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