CN114216387B - Round tube centering tool - Google Patents
Round tube centering tool Download PDFInfo
- Publication number
- CN114216387B CN114216387B CN202111526787.1A CN202111526787A CN114216387B CN 114216387 B CN114216387 B CN 114216387B CN 202111526787 A CN202111526787 A CN 202111526787A CN 114216387 B CN114216387 B CN 114216387B
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- China
- Prior art keywords
- ruler body
- round tube
- ruler
- clamping piece
- clamping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000003754 machining Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 15
- 239000010959 steel Substances 0.000 abstract description 15
- 238000009825 accumulation Methods 0.000 abstract description 9
- 238000000926 separation method Methods 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 description 14
- 238000009434 installation Methods 0.000 description 12
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000013102 re-test Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000009423 ventilation 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
- G01B5/25—Measuring 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
- G01B5/252—Measuring 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
-
- 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
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
In order to solve the technical problem that error accumulation is easy to occur in the center of the top of a circular tube by adopting a vernier caliper, a level bar and a steel tape combined mode in the traditional circular tube type centering method, the embodiment of the invention provides a circular tube centering tool, which comprises the following components: the ruler body is provided with a ruler scale; the horizontal device is arranged on the ruler body; and the clamping piece is arranged on the ruler body and is used for clamping the round tube, and the clamping piece is in sliding connection with the ruler body. According to the embodiment of the invention, the separation of the center of the top of the circular tube object is conveniently realized through the rule body, the scale marks, the horizontal device and the clamping piece, and the technical problem that error accumulation is easy to occur in the center of the top of the circular tube is avoided by integrating the rule body, the scale marks, the horizontal device and the clamping piece into a circular tube separation tool in the traditional circular tube separation method by adopting a vernier caliper, a horizontal ruler and a steel tape to combine.
Description
Technical Field
The invention relates to a round tube centering tool.
Background
The traditional round tube classification method is to install and measure a center control point at the top of the round tube. At present, in the civil engineering construction stage of the nuclear island internal structure of the nuclear power station, a high-precision circular pipe type A-type buried part measurement control point division, such as an evaporator transverse support, an out-of-stack nuclear measuring device ventilation assembly, a penetrating sleeve assembly, a damper, a connecting pull rod and the like, is still used in a traditional division method.
The traditional round tube type centering method adopts three tools of a vernier caliper, a level bar and a steel tape to be combined, and two persons are required to operate together to separate out the center of the top of the round tube. Because the end part of the vernier caliper is not provided with scales, only the numerical value of the outer diameter of the circular tube can be read, but the median value cannot be obtained, so that after the circular tube is clamped and leveled by the leveling ruler, the distance is measured by the steel tape, the position of the central point can be calculated, the marking can be carried out, the middle dividing process is complex and tedious, and error accumulation is easy to generate. Resulting in the accumulation of errors in the previous control point divisions with unavoidable measurement errors.
Disclosure of Invention
In order to solve the technical problem that error accumulation is easy to occur in the center of the top of a circular tube when a vernier caliper, a level bar and a steel tape are combined in the traditional circular tube centering method, the embodiment of the invention provides a circular tube centering tool.
The embodiment of the invention is realized by the following technical scheme:
the embodiment of the invention provides a round tube centering tool, which comprises:
the ruler body is provided with a ruler scale;
the horizontal device is arranged on the ruler body; and
The clamping piece is arranged on the ruler body and is used for clamping the round tube, and the clamping piece is in sliding connection with the ruler body.
Further, the ruler body is of an elongated rectangular structure, and the graduation value of the scale graduation is smaller than or equal to 1mm.
Further, the level device comprises a vial; the level bubble is arranged on the ruler body.
Further, the number of the vials is a plurality; each 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 0.5mm.
Further, the tool is made of stainless steel.
Further, the number of the level bubbles is two, the two level bubbles are arranged at two ends of the upper side face of the ruler body, and the sliding groove is arranged on the lower side face of the ruler body.
Further, the clamping piece is of an elongated 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, the center of the top of the round tube object is conveniently split through the ruler body, the ruler scale, the horizontal device and the clamping piece, and the technical problem that error accumulation is easy to occur in the center of the top of the round tube is avoided by integrating the ruler body, the ruler scale, the horizontal device and the clamping piece into the round tube centering tool in the traditional round tube centering method in a mode of combining a vernier caliper, a horizontal ruler and a steel tape.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are needed in the examples will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and that other related drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a round tube centering tool.
FIG. 2 is a schematic view of the cross-sectional structure of C-C in FIG. 1.
FIG. 3 is a schematic view of the structure of section 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 diagram of a round tube centering tool.
Fig. 7 is a side view schematic of fig. 6.
In the drawings, the reference numerals and corresponding part names:
the leveling instrument comprises a 1-ruler body, a 2-first leveling bubble mounting groove, a 3-staff gauge, a 4-second leveling bubble mounting groove, a 5-first clamping piece, a 6-second clamping piece, a 7-T-shaped groove, an 8-leveling bubble and a 9-T-shaped clamping head.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting 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: no such specific details are necessary to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail in order not to obscure the invention.
Throughout the specification, references to "one embodiment," "an embodiment," "one example," or "an example" mean: a particular feature, structure, or characteristic described in connection with the embodiment or example is included within at least one embodiment of the invention. Thus, the appearances of the phrases "in one embodiment," "in an example," or "in 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. Moreover, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and that the illustrations are not necessarily drawn to scale. The term "and/or" as used herein 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", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
Examples
Taking the example of the transverse supporting damper at the upper part of the 16.5m plate steam generator of the Hualong No. 1 unit nuclear island, the center of a circular tube can be separated by adopting the combination of a vernier caliper, a level bar and a steel tape in the traditional mode, taking the example of a nuclear island inner structure damper A embedded part, firstly clamping the circular tube by using the vernier caliper, placing the level bar at the upper part for leveling, and because the vernier caliper cannot read an intermediate value, the distance between the clamping ends of the vernier caliper is measured by using the steel tape or the steel plate rule, the intermediate reading is calculated, the mark is marked at the top of the tube, a sample is knocked, the punching is carried out, and then the prism rod is erected for measurement.
In order to solve the technical problem that error accumulation is easy to occur in the center of the top of a circular tube by adopting a vernier caliper, a level bar and a steel tape combined mode in the traditional circular tube type centering method, the embodiment of the invention provides a circular tube centering tool, which aims at: the method for separating the traditional circular pipe embedded parts and equipment is improved, so that the method is simple and convenient to operate, improves the separating precision, effectively reduces the error accumulation caused by various auxiliary tools in the traditional circular pipe separating method, and is convenient to improve the installation and measurement precision of the on-site first-class embedded parts and equipment.
An embodiment of the present invention provides a round tube centering tool, as shown in fig. 1 to 7, including: the ruler body is provided with a ruler scale 3; the horizontal device is arranged on the ruler body; and the clamping piece is arranged on the ruler body 1 and is used for clamping the round tube, and the clamping piece is in sliding connection with the ruler body.
Therefore, the embodiment of the invention conveniently realizes the separation of the center of the top of the circular tube object through the rule body, the scale mark, the horizontal device and the clamping piece, and avoids the technical problem that error accumulation is easy to occur in the conventional circular tube center separation method by adopting a vernier caliper, a horizontal ruler and a steel tape combined mode to separate the center of the top of the circular tube.
Further, the level device comprises a vial; the level bubble is arranged on the ruler body.
Optionally, the number of vials is a plurality; each bubble is arranged on the same side of the ruler body. Optionally, the number of the level bubbles is two, the two level bubbles are arranged at two ends of the upper side surface of the ruler body, and the chute is arranged at the lower side surface of the ruler body.
Further, the ruler body is of an elongated rectangular structure, and the graduation value of the scale graduation is smaller than or equal to 1mm.
Referring to fig. 1, the round tube centering tool comprises a ruler body 1, wherein a leveling bubble installation groove for installing leveling bubbles is formed in the upper side surface of the ruler body 1, namely a first leveling bubble installation groove 2 at the left end of the upper side surface of the ruler body 1 and a second leveling bubble installation 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 clamping pieces is two; namely a first clamping piece 5 and a second clamping piece 6; when the device is used, the first clamping piece 5 and the second clamping piece 6 slide in the sliding groove, the round pipe objects are clamped between the first clamping piece 5 and the second clamping piece 6, and the numerical values are read through the scale marks for measurement; the point position of the tangent point of the ruler body and the circular tube type object is the intermediate value position of the length between the first clamping piece 5 and the second clamping piece 6, and the numerical value of the intermediate 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 clamping piece can be of an elongated structure, such as an elongated triangle or rectangle structure; the end of the clamping piece is provided with a T-shaped clamping head 9 matched with the T-shaped groove. When the T-shaped clamping head is used, the T-shaped clamping head is installed 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 0.5mm. Alternatively, the tool is made of stainless steel. Further, the clamping piece is of an elongated strip-shaped structure.
At present, no separating tool for round pipe objects is available at home and abroad, a traditional separating method is adopted for common round pipe objects of general civil projects, and high-precision objects are installed by adopting precast concrete in a modularized integral hoisting mode or are directly separated by equipment manufacturers when the equipment manufacturers leave factories. The construction process of the nuclear island internal structure of the nuclear power engineering is complex, the installation and the measurement are usually carried out in the steel bar binding stage, and the construction processes of initial positioning, installation and measurement before steel bar binding, adjustment and measurement after middle layer steel bar binding, adjustment and measurement after surface layer steel bar binding and retest before concrete pouring are adopted, so that when factories leave factories to leave high-precision embedded parts equipment, the on-site installation and measurement is not considered or the on-site installation and measurement mode is changed according to the on-site environment requirement, and the centering marking is not carried out in advance. Therefore, the round tube centering tool provided by the embodiment of the invention can effectively fill the blank in the high-precision round tube centering of nuclear power engineering and other civil projects, and improves the centering precision of control points, thereby improving the installation quality.
The round tube centering tool is convenient to carry, is simple, convenient, quick, stable and reliable, can effectively reduce centering errors, improves centering accuracy of buried parts and equipment of the first-class round tubes, and improves on-site installation measurement control accuracy. The round pipe centering tool provided by the embodiment of the invention can be suitable for the control point centering of high-precision round pipe nails with various size types for embedded parts. The accuracy of the actual installation error range is improved, the installation and measurement difficulty is reduced, and manpower and material resources are saved. A physical diagram is shown with reference to fig. 6 and 7.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (6)
1. A round tube centering tool, comprising:
the ruler body is provided with a ruler scale;
the horizontal device is arranged on the ruler body; and
The clamping piece is arranged on the ruler body and is used for clamping the round tube, and the clamping piece is connected with the ruler body in a sliding manner;
The ruler body is of an elongated rectangular structure, and the graduation value of the scale marks is smaller than or equal to 1mm;
the level device comprises a level vial; the level bubble is arranged on the ruler body;
The number of the level bubbles is a plurality; each level bubble is arranged on the same side of the ruler body;
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.
2. The round tube centering tool of claim 1, wherein the chute is a T-slot; 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.
3. The round tube centering tool of claim 1, wherein the tool has a machining accuracy of 0.5mm.
4. The round tube centering tool of claim 1, wherein the tool is made of stainless steel.
5. The round tube centering tool as claimed in claim 1, wherein the number of the leveling vials is two, the two leveling vials are arranged at two ends of the upper side surface of the ruler body, and the sliding groove is arranged at the lower side surface of the ruler body.
6. The round tube centering tool of any one of claims 1-5, wherein the clip is an elongate strip-like structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111526787.1A CN114216387B (en) | 2021-12-14 | 2021-12-14 | Round tube centering tool |
Applications Claiming Priority (1)
| 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 CN114216387A (en) | 2022-03-22 |
| CN114216387B true CN114216387B (en) | 2024-04-30 |
Family
ID=80701825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111526787.1A Active CN114216387B (en) | 2021-12-14 | 2021-12-14 | Round tube centering tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114216387B (en) |
Citations (5)
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210055093A1 (en) * | 2019-08-20 | 2021-02-25 | National Oilwell Varco, L.P. | Pipe dimensional measurement tool |
-
2021
- 2021-12-14 CN CN202111526787.1A patent/CN114216387B/en active Active
Patent Citations (5)
| 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 |
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| Publication number | Publication date |
|---|---|
| CN114216387A (en) | 2022-03-22 |
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