CN114216387A - Pipe divides well instrument - Google Patents

Pipe divides well instrument Download PDF

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Publication number
CN114216387A
CN114216387A CN202111526787.1A CN202111526787A CN114216387A CN 114216387 A CN114216387 A CN 114216387A CN 202111526787 A CN202111526787 A CN 202111526787A CN 114216387 A CN114216387 A CN 114216387A
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China
Prior art keywords
ruler body
ruler
round tube
circular tube
clamping piece
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CN202111526787.1A
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Chinese (zh)
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CN114216387B (en
Inventor
屈璐
汪虎
王旋旋
姚保民
康志娟
郑鹏
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China Nuclear Industry 24 Construction Co Ltd
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China Nuclear Industry 24 Construction Co Ltd
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Priority to CN202111526787.1A priority Critical patent/CN114216387B/en
Publication of CN114216387A publication Critical patent/CN114216387A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/24Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B5/25Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
    • G01B5/252Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0002Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

In order to solve the technical problem that errors are easy to accumulate when the center of the top of a circular tube is separated by a combination of a vernier caliper, a level bar and a steel tape in the traditional circular tube class separation method, the embodiment of the invention provides a circular tube class separation tool, which comprises: the ruler body is provided with ruler scales; the horizontal device is arranged on the ruler body; and the clamping piece is arranged on the ruler body and is clamped on the circular tube, and the clamping piece is connected with the ruler body in a sliding manner. According to the embodiment of the invention, the top center of the circular tube object is conveniently separated through the ruler body, the ruler scale, the horizontal device and the clamping piece, and the technical problem that the error accumulation is easily caused when the top center of the circular tube is separated through a vernier caliper, a horizontal ruler and a steel tape in the traditional circular tube separation method is solved by integrating the ruler body, the ruler scale, the horizontal device and the clamping piece into a circular tube separation tool.

Description

Pipe divides well instrument
Technical Field
The invention relates to a round pipe centering tool.
Background
The traditional round pipe classification method is that a central control point is separated from the top of a round pipe for installation, adjustment and measurement. At present, in the civil construction stage of the internal structure of the nuclear island of the nuclear power station, high-precision round pipes are used for centering measurement control points of embedded parts, such as transverse evaporator support, ventilation components of a nuclear measurement positioning device outside a reactor, a through sleeve component, a damper, a connecting pull rod and the like, and the traditional centering method is still used.
The traditional method for classifying the circular pipes adopts combination of three tools, namely a vernier caliper, a level ruler and a steel tape, and two persons are required to operate together to classify the centers of the tops of the circular pipes. Because the end part of the vernier caliper is not provided with scales, the numerical value of the outer diameter of the circular tube can be read only, but the median cannot be obtained, so after the clamped circular tube is leveled by the horizontal ruler, the distance must be measured by a steel tape, the position of the central point can be calculated for marking, the centering process is complex and tedious, and errors are easy to accumulate. Resulting in the accumulation of the error in the early control point calculations and the inevitable measurement error.
Disclosure of Invention
In order to solve the technical problem that errors are easy to accumulate when the center of the top of a circular pipe is separated by a combination of a vernier caliper, a level ruler and a steel tape in the traditional circular pipe type centering method, the embodiment of the invention provides a circular pipe centering tool.
The embodiment of the invention is realized by the following technical scheme:
the embodiment of the invention provides a round pipe centering tool, which comprises:
the ruler body is provided with ruler scales;
the horizontal device is arranged on the ruler body; and
the clamping piece is arranged on the ruler body and is clamped on the circular tube, and the clamping piece is connected with the ruler body in a sliding mode.
Furthermore, the ruler body is of a slender rectangular structure, and the division value of the scale marks of the ruler is smaller than or equal to 1 mm.
Further, the level device comprises a level bubble; the level bubble is arranged on the ruler body.
Further, the number of the level bubbles is multiple; each level bubble is arranged on the same side of the ruler body.
Further, the ruler body is provided with a sliding groove, the number of the clamping pieces is two, and the two clamping pieces are both in sliding connection with the sliding groove.
Further, the sliding groove is a T-shaped groove; each clamping piece is provided with a T-shaped clamping head matched with the T-shaped groove; the T-shaped clamping head is in sliding clamping connection with the T-shaped groove.
Further, the machining precision of the tool is 0.5 mm.
Further, the tool is made of stainless steel.
Furthermore, the quantity of air level is two, and two air level are located the both ends of chi body upper flank, and the downside of chi body is located to the spout.
Further, the clamping piece is of a slender strip-shaped structure.
Compared with the prior art, the embodiment of the invention has the following advantages and beneficial effects:
according to the round tube centering tool provided by the embodiment of the invention, the top center of a round tube object can be conveniently divided through the ruler body, the scale marks of the ruler, the horizontal device and the clamping piece, and the technical problem that errors are easy to accumulate when the top center of the round tube is divided by adopting a combination mode of a vernier caliper, a horizontal ruler and a steel tape in the traditional round tube centering method is solved by integrating the ruler body, the scale marks of the ruler, the horizontal device and the clamping piece into the round tube centering tool.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic structural view of a circular pipe centering tool.
Fig. 2 is a schematic view of the cross-sectional structure C-C in fig. 1.
Fig. 3 is a schematic view of the cross-sectional structure D-D in fig. 1.
Fig. 4 is a schematic view of the cross-sectional structure a-a in fig. 1.
FIG. 5 is a schematic view of the cross-sectional structure B-B in FIG. 1.
FIG. 6 is a schematic view of a circular pipe centering tool.
Fig. 7 is a side view of fig. 6.
Reference numbers and corresponding part names in the drawings:
1-ruler body, 2-first level bubble mounting groove, 3-staff scale, 4-second level bubble mounting groove, 5-first clamping piece, 6-second clamping piece, 7-T-shaped groove, 8-level bubble and 9-T-shaped clamping head.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present invention.
Examples
Taking the division of a transverse support damper at the upper part of a 16.5m plate steam generator in the internal structure of a Hualong No. 1 machine set as an example, the traditional mode needs to adopt the combination of a vernier caliper, a level ruler and a steel tape to divide the center of a circular pipe, taking the example that a damper in the internal structure of the nuclear island is used for embedding parts, firstly, the circular pipe is clamped by the vernier caliper, the level ruler is placed at the upper part for leveling, and because the vernier caliper cannot read a middle value, the steel tape or the steel tape is used for measuring the distance of the clamping end of the vernier caliper, calculating the middle reading, marking the top of the pipe, punching a knock sample, and then erecting a prism rod for measurement.
In order to solve the technical problem that errors are easy to accumulate when the center of the top of a circular tube is separated by a combination of a vernier caliper, a level bar and a steel tape in the traditional circular tube class separation method, the embodiment of the invention provides a circular tube class separation tool, and aims to: the center dividing method of the traditional round pipe embedded parts and equipment is improved, the center dividing method is simple and convenient to operate, the center dividing precision is improved, errors caused by various auxiliary tools in the traditional round pipe center dividing method are effectively reduced, and the installation, adjustment and measurement precision of the on-site first-supply embedded parts and equipment is improved conveniently.
An embodiment of the present invention provides a round pipe centering tool, which is shown in fig. 1 to 7, and includes: the ruler body is provided with ruler scales 3; the horizontal device is arranged on the ruler body; and the clamping piece is arranged on the ruler body 1 and is clamped on the circular tube, and the clamping piece is connected with the ruler body in a sliding manner.
Therefore, the top center of the circular tube object can be conveniently separated through the ruler body, the ruler scale, the horizontal device and the clamping piece, and the technical problem that the error accumulation is easily caused when the top center of the circular tube is separated in a mode of combining a vernier caliper, a horizontal ruler and a steel tape in the traditional circular tube classification method is solved by integrating the ruler body, the ruler scale, the horizontal device and the clamping piece into a circular tube classification tool.
Further, the level device comprises a level bubble; the level bubble is arranged on the ruler body.
Optionally, the number of the level bubble is multiple; each level bubble is arranged on the same side of the ruler body. Optionally, the number of air level is two, and two air level are located the both ends of the side on the chi body, and the downside of the chi body is located to the spout.
Furthermore, the ruler body is of a slender rectangular structure, and the division value of the scale marks of the ruler is smaller than or equal to 1 mm.
Referring to fig. 1, the circular tube centering tool comprises a ruler body 1, wherein level bubble mounting grooves for mounting level bubbles are formed in the upper side surface of the ruler body 1, namely a first level bubble mounting groove 2 at the left end of the upper side surface of the ruler body 1 and a second level bubble mounting groove 4 at the right end of the upper side surface of the ruler body 1.
Further, the ruler body is provided with a sliding groove, the number of the clamping pieces is two, and the two clamping pieces are both in sliding connection with the sliding groove.
Referring to fig. 1 and 2, the number of the clips is two; namely a first 5 and a second 6 catch; when the device is used, the first clamping piece 5 and the second clamping piece 6 slide in the sliding groove, a round pipe object is clamped between the first clamping piece 5 and the second clamping piece 6, a numerical value is read through the scale of the scale, and measurement is carried out; the tangent point position of the ruler body and the round tube object is the middle value position of the length between the first clamping piece 5 and the second clamping piece 6, and the numerical value of the middle value can be conveniently calculated through the degree of the scale corresponding to the position.
Further, the sliding groove is a T-shaped groove; each clamping piece is provided with a T-shaped clamping head matched with the T-shaped groove; the T-shaped clamping head is in sliding clamping connection with the T-shaped groove.
Referring to fig. 4 and 5, the sliding groove is a T-shaped groove 7, and the clip can be in an elongated structure, such as an elongated triangular or rectangular structure; the end part of the clamping piece is provided with a T-shaped clamping head 9 matched with the T-shaped groove. When the device is used, the T-shaped clamping head is arranged in the T-shaped groove, and the T-shaped clamping head is moved according to the size of a measured object, so that the T-shaped clamping head slides in the T-shaped groove to a corresponding position for measurement.
Further, the machining precision of the tool is 0.5 mm. Optionally, the tool is made of stainless steel. Further, the clamping piece is of a slender strip-shaped structure.
At present, a centering tool for round pipe type objects does not exist at home and abroad, common civil items such as round pipes are installed by a traditional centering method, high-precision objects are installed by adopting precast concrete modularization integral hoisting, or when an A-supply equipment manufacturer leaves a factory, the centering is directly finished by the equipment manufacturer. The nuclear power engineering nuclear island internal structure construction process is complex, usually is in the reinforcement stage, installs the regulation and survey, adopts the initial positioning, installs the regulation and survey before the reinforcement, the regulation and survey after the middle level muscle ligature, the regulation and survey after the surface course muscle ligature, the construction process of retesting before concrete placement, when the producer leaves factory high accuracy embedded equipment, does not consider the field installation to debug or because the field installation is debugged the mode and is required to change according to the site environment, so this does not mark in advance. Therefore, the circular tube centering tool provided by the embodiment of the invention can effectively fill the blank in high-precision circular tube centering of nuclear power engineering and other civil projects, and improves centering precision of control points, thereby improving installation quality.
The circular tube centering tool is convenient to carry, simple, convenient, fast, stable and reliable, centering errors can be effectively reduced, centering precision of a first-supply circular tube embedded part and equipment is improved, and field installation measurement control precision is improved. The circular tube centering tool provided by the embodiment of the invention can be suitable for centering control points of high-precision circular tubes for embedded parts in various sizes. Improve actual installation error range precision, reduce the installation and transfer the degree of difficulty, practice thrift manpower and materials. The physical diagrams are shown in fig. 6 and 7.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. A round tube centering tool, comprising:
the ruler body is provided with ruler scales;
the horizontal device is arranged on the ruler body; and
the clamping piece is arranged on the ruler body and is clamped on the circular tube, and the clamping piece is connected with the ruler body in a sliding mode.
2. The round tube centering tool of claim 1, wherein said scale body is an elongated rectangular structure, and the division of said scale markings is less than or equal to 1 mm.
3. The round tube centering tool of claim 2, wherein said leveling means comprises a leveling bubble; the level bubble is arranged on the ruler body.
4. The round tube centering tool of claim 3, wherein said level bubble is plural in number; each level bubble is arranged on the same side of the ruler body.
5. The round tube centering tool according to claim 4, wherein the ruler body is provided with a sliding groove, the number of the clamping pieces is two, and both the clamping pieces are slidably connected with the sliding groove.
6. The round tube centering tool of claim 5, wherein said slide groove is a T-shaped groove; each clamping piece is provided with a T-shaped clamping head matched with the T-shaped groove; the T-shaped clamping head is in sliding clamping connection with the T-shaped groove.
7. The round tube centering tool of claim 1, wherein the tool has a machining accuracy of 0.5 mm.
8. The round tube centering tool of claim 1, wherein said tool is made of stainless steel.
9. The round tube centering tool of claim 5, wherein said number of level bubble is two, two level bubbles are provided at both ends of the upper side of the ruler body, and the slide groove is provided at the lower side of the ruler body.
10. The round tube centering tool of any one of claims 1-9, wherein said catch is of elongated strip configuration.
CN202111526787.1A 2021-12-14 2021-12-14 Round tube centering tool Active CN114216387B (en)

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Application Number Priority Date Filing Date Title
CN202111526787.1A CN114216387B (en) 2021-12-14 2021-12-14 Round tube centering tool

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Application Number Priority Date Filing Date Title
CN202111526787.1A CN114216387B (en) 2021-12-14 2021-12-14 Round tube centering tool

Publications (2)

Publication Number Publication Date
CN114216387A true CN114216387A (en) 2022-03-22
CN114216387B CN114216387B (en) 2024-04-30

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61170016U (en) * 1985-04-13 1986-10-22
JPH076704U (en) * 1993-06-28 1995-01-31 石川島播磨重工業株式会社 Circular tube center indicator
JP2001050701A (en) * 1999-08-05 2001-02-23 Sadanori Okazaki Centering unit with scale for circular tube
JP2002067584A (en) * 2000-09-01 2002-03-08 Takashi Yokoyama Center line ruler for determining center of circle of columnar shape
CN207081384U (en) * 2017-03-07 2018-03-09 黄河科技学院 A kind of mechanical measurement slide calliper rule
US20210055093A1 (en) * 2019-08-20 2021-02-25 National Oilwell Varco, L.P. Pipe dimensional measurement tool

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61170016U (en) * 1985-04-13 1986-10-22
JPH076704U (en) * 1993-06-28 1995-01-31 石川島播磨重工業株式会社 Circular tube center indicator
JP2001050701A (en) * 1999-08-05 2001-02-23 Sadanori Okazaki Centering unit with scale for circular tube
JP2002067584A (en) * 2000-09-01 2002-03-08 Takashi Yokoyama Center line ruler for determining center of circle of columnar shape
CN207081384U (en) * 2017-03-07 2018-03-09 黄河科技学院 A kind of mechanical measurement slide calliper rule
US20210055093A1 (en) * 2019-08-20 2021-02-25 National Oilwell Varco, L.P. Pipe dimensional measurement tool

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