CN111336889A - Ribbed steel bar diameter comparison ruler and method - Google Patents
Ribbed steel bar diameter comparison ruler and method Download PDFInfo
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- CN111336889A CN111336889A CN202010214120.7A CN202010214120A CN111336889A CN 111336889 A CN111336889 A CN 111336889A CN 202010214120 A CN202010214120 A CN 202010214120A CN 111336889 A CN111336889 A CN 111336889A
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- diameter
- comparison
- ribbed
- steel bar
- longitudinal rib
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- 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
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
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- General Physics & Mathematics (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a diameter comparison ruler and method for a ribbed steel bar, which solve the problems of low detection precision of the diameter of the steel bar and large damage to a structure in the prior art, and have the effects of simple structure, convenience in carrying, capability of achieving the purpose of quickly and efficiently detecting the diameter of the ribbed steel bar and high precision in field detection. The technical scheme is as follows: the diameter ratio pair card is inserted into the protective shell, and can rotate relative to the protective shell; one end of the diameter ratio matching clamp is provided with a cambered surface matching groove corresponding to the cambered surface of the ribbed steel bar, and the other end of the diameter ratio matching clamp is provided with a longitudinal rib matching groove corresponding to the longitudinal rib of the ribbed steel bar; each diameter ratio provides a diameter identification for the card surface.
Description
Technical Field
The invention relates to the technical field of building science, in particular to a diameter comparison ruler and method for ribbed steel bars.
Background
The ribbed steel bar is a framework of a concrete structure and plays a very important role. Due to the requirements of quality inspection or safety certification, the diameter of the steel bar in the concrete needs to be detected.
At present, two methods for detecting the diameter of a steel bar in concrete are provided: non-breakage detection and direct method detection. The inventor finds that the non-damage detection is to detect the diameter of the steel bar by utilizing the electromagnetic induction principle, and the precision is low. The direct method detects that the concrete protective layer needs to be removed, cuts off a certain length of reinforcing steel bars for weighing, and has larger damage to the structure.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the ribbed steel bar diameter comparison ruler which is simple in structure and convenient to carry, and can achieve the purpose of quickly and efficiently detecting the diameter of the ribbed steel bar.
The second purpose of the invention is to provide a method for comparing the diameters of the ribbed steel bars, which only needs to expose a small part of the ribbed steel bars, has small damage, easy repair, convenient comparison and higher precision in field detection.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, the embodiment of the invention provides a ribbed steel bar diameter comparison ruler, which comprises a protective shell and a plurality of diameter ratio pair clamps, wherein one ends of the diameter ratio pair clamps are inserted into the protective shell, and the diameter ratio pair clamps can rotate relative to the protective shell;
one end of the diameter ratio matching clamp is provided with a cambered surface matching groove corresponding to the cambered surface of the ribbed steel bar, and the other end of the diameter ratio matching clamp is provided with a longitudinal rib matching groove corresponding to the longitudinal rib of the ribbed steel bar; each diameter ratio provides a diameter identification for the card surface.
In a second aspect, an embodiment of the present invention further provides a method for comparing diameters of ribbed steel bars, where the method for comparing diameters of ribbed steel bars includes:
picking and chiseling the concrete protective layer to expose the ribbed steel bars;
when the exposed surface of the ribbed steel bar is a cambered surface, screwing out one end with the diameter ratio opposite to the cambered surface opposite to the groove to prop against the cambered surface of the steel bar; comparing the cambered surface comparison grooves with different sizes until the cambered surface comparison grooves are completely matched with the cambered surface;
when the exposed surface of the steel bar is a longitudinal rib, screwing out one end with the diameter ratio of the longitudinal rib comparison groove of the counter clamp to abut against the longitudinal rib of the steel bar, and comparing the longitudinal rib comparison grooves with different sizes; until the longitudinal rib is completely matched with the longitudinal rib by the longitudinal rib comparison groove.
The beneficial effects of the above-mentioned embodiment of the present invention are as follows:
(1) the comparison ruler in one or more embodiments of the invention only mainly comprises a protective shell and a plurality of diameter ratio comparison cards, and has the advantages of simple structure and convenience for carrying;
(2) according to one or more embodiments of the invention, one end of the diameter ratio counter clamp is provided with the cambered surface comparison groove, and the other end of the diameter ratio counter clamp is provided with the longitudinal rib comparison groove, so that the diameter ratio counter clamp is screwed out by a certain angle to be compared with the cambered surface or the longitudinal rib of the ribbed steel bar, and the operation is convenient;
(3) according to one or more embodiments of the invention, a plurality of diameter ratio matching clamps are arranged according to the diameter of a standard ribbed steel bar, the size of each cambered surface comparison groove and the size of each longitudinal rib comparison groove are the same as the standard size of the corresponding part of the ribbed steel bar, and the detection precision can be improved;
(4) when one or more embodiments of the invention are compared, the concrete protective layer is chiseled firstly, and a small part of ribbed steel bars are exposed, so that the damage to the structure is small, and the repair is easy.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a top view of the present disclosure according to one or more embodiments;
FIG. 2 is a front view of the present invention in accordance with one or more embodiments;
FIG. 3 is a side view of the present disclosure according to one or more embodiments;
FIGS. 4(a) -4(d) are schematic diagrams illustrating a diameter ratio versus clamp configuration of rebar of different diameters according to one or more embodiments of the present invention;
FIGS. 5-7 are schematic illustrations of the construction of a diagonal contrast ribbed bar using different diameter ratios in accordance with one or more embodiments of the present invention;
FIG. 8 is a schematic illustration of an in situ test according to one or more embodiments of the invention;
wherein, 1, the diameter ratio is opposite to the card; 2. a rotating shaft; 3. a cambered surface comparison groove; 4. longitudinal rib comparison grooves; 5. diameter identification; 6. a protective shell; 7. diameter identification; 8. ribbed steel bars; 9. concrete; 10. and (6) picking and chiseling the position.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" in this application, if any, merely indicate correspondence with the directions of up, down, left and right of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application.
The terms "mounted", "connected", "fixed", and the like in the present application should be understood broadly, and for example, the terms "mounted", "connected", and "fixed" may be fixedly connected, detachably connected, or integrated; the two components can be connected directly or indirectly through an intermediate medium, or the two components can be connected internally or in an interaction relationship, and the terms can be understood by those skilled in the art according to specific situations.
As introduced in the background art, the defects of low detection precision of the diameter of the steel bar and large damage to the structure exist in the prior art, and in order to solve the technical problems, the invention provides a comparison ruler and a comparison method for the diameter of the ribbed steel bar.
The first embodiment is as follows:
the present invention is described in detail below with reference to fig. 1 to 8, and specifically, the structure is as follows:
this embodiment provides a chi is compared to ribbed steel bar diameter, including protective housing 6 and a plurality of diameter ratio to card 1, the diameter ratio is to inserting in protective housing 6 to 1 one end of card, and the diameter ratio is to card 1 can be relative protective housing 6 rotation.
In the present embodiment, as shown in fig. 1 to 3, the protective shell 6 has a U-shaped structure, and the diameter ratio pair card 1 is inserted therein, so as to protect the diameter ratio pair card 1. It is understood that in other embodiments, the protective shell 6 may have other structures as long as the diameter ratio of the card 1 can be ensured to be screwed into or out of the protective shell 6.
The diameter ratio is set up a plurality of according to the diameter of the steel reinforcement to the card 1, and arrange according to the size order of the corresponding diameter; the number of the diameter ratio pair cards 1 can be set according to the actual diameter of the steel bar. The diameter ratio is made of light materials for the card 1.
In the national standard, the nominal diameter of the ribbed steel bar 8 is 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 32mm and the like, and the sizes of the inner diameter, the longitudinal ribs and the like of the steel bar with each diameter are regulated by the standard size. In this embodiment, 12 pieces of the counter clamp 1 with a diameter ratio are provided, and correspond to the common ribbed steel bars 8 with a diameter of 6mm to 32 mm.
In the present embodiment, the diameter ratio is rectangular with respect to the longitudinal section of the card 1. It will be appreciated that in other embodiments the diameter ratio pair 1 may be of other shapes, for example elliptical in longitudinal cross-section. As shown in fig. 4(a) -4(d), the diameter ratio is set with a diameter mark 5 on the surface of the card 1 to obtain the corresponding size of the steel bar to be measured. For reading convenience, diameter marks 5 are arranged at two ends of the upper surface and the lower surface of the diameter ratio pair card 1. In this embodiment, the diameter indication 5 is a number.
The diameter ratio is to 1 one end of card and is set up the cambered surface and compare groove 3, and the other end sets up the longitudinal rib and compares groove 4. Diameter sign 5 sets up in comparing groove 3, the longitudinal rib of being close to the cambered surface and comparing groove 4 position. The sizes of the cambered surface comparison groove 3 and the longitudinal rib comparison groove 4 arranged on each diameter ratio pair clamp 1 are the same as the standard sizes of the corresponding parts of the ribbed steel bar 8; that is, the dimension of the arc-surface-to-groove 3 matches the arc surface of the ribbed steel bar 8 at the corresponding nominal diameter, and the dimension of the longitudinal rib-to-groove 4 matches the dimension of the longitudinal rib of the ribbed steel bar 8 at the corresponding nominal diameter.
The diameter ratio is to setting for length in the U type space of card 1 insertion protective housing 6, and the diameter ratio has certain distance to card 1 and protective housing 6 bottom surface to make the diameter ratio to card 1 can 360 rotations relative protective housing 6. As shown in fig. 2 and 3, the diameter ratio pair card 1 is connected with the protective shell 6 through the rotating shaft 2; pivot 2 perpendicular to diameter ratio is to calorie 1, and is perpendicular with the lateral wall of protective housing 6, pivot 2 is clearance fit with diameter ratio to calorie 1, protective housing 6.
Example two:
the embodiment provides a method for comparing diameters of ribbed steel bars, which adopts a ruler for comparing diameters of ribbed steel bars shown in the first embodiment, and comprises the following steps:
as shown in fig. 6, a concrete 9 protective layer is chiseled to expose a small part of ribbed steel bars 8; the exposed portion may be engaged with the counter card 1 having a diameter ratio.
When the exposed surface of the ribbed steel bar 8 is an arc surface, the end of the diameter ratio clamp 1 with the arc surface comparison groove 3 is screwed out to abut against the steel bar arc surface. As shown in fig. 5-7, the comparison of the arc-surface comparison grooves 3 with different diameters is adopted, and when the arc-surface comparison grooves 3 are completely matched with the arc surfaces, the diameter of the steel bar to be measured is the diameter of the mark of the pair of cards 1 with the diameter ratio.
When the exposed surface of the steel bar is a longitudinal rib, the diameter ratio of screwing out is compared with the end of the butt clamp 1 with the longitudinal rib comparing groove 4, the butt clamp supports against the steel bar longitudinal rib, and the longitudinal ribs with different diameters are compared with the groove 4. When the longitudinal rib comparison groove 4 is completely matched with the longitudinal rib, the diameter of the measured steel bar is the diameter of the mark of the diameter comparison card 1.
And recording the diameter of the ribbed steel bar 8, and finishing detection.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The ribbed steel bar diameter comparison ruler is characterized by comprising a protective shell and a plurality of diameter ratio pair clamps, wherein one ends of the diameter ratio pair clamps are inserted into the protective shell, and the diameter ratio pair clamps can rotate relative to the protective shell;
one end of the diameter ratio matching clamp is provided with a cambered surface matching groove corresponding to the cambered surface of the ribbed steel bar, and the other end of the diameter ratio matching clamp is provided with a longitudinal rib matching groove corresponding to the longitudinal rib of the ribbed steel bar; each diameter ratio provides a diameter identification for the card surface.
2. The ribbed steel bar diameter comparison ruler according to claim 1, wherein the diameter ratio pair clips are arranged in a plurality according to standard steel bar diameters and are arranged in a corresponding diameter size sequence.
3. The ribbed bar diameter comparison ruler of claim 1, wherein the dimension of the cambered surface comparison groove and the longitudinal rib comparison groove of each diameter ratio comparison card is the same as the standard dimension of the corresponding part of the ribbed bar.
4. The ribbed bar diameter comparison ruler of claim 1, wherein diameter marks are arranged at both ends of the diameter ratio comparison clamping surface.
5. The ribbed bar diameter comparison ruler of claim 1, wherein the diameter ratio comparison clamp is connected with the protective shell through a rotating shaft.
6. The ribbed bar diameter comparison ruler of claim 5, wherein the rotating shaft is in clearance fit with the diameter comparison clamp and the protective shell.
7. The ribbed bar diameter comparison ruler of claim 5, wherein the rotation axis is perpendicular to the diameter comparison clamp.
8. The ribbed bar diameter comparison ruler of claim 1, wherein the protective shell is of a U-shaped structure.
9. A method for comparing the diameters of the ribbed bars, which is characterized in that the diameter comparison ruler of the ribbed bars according to any one of claims 1-8 is adopted, and comprises the following steps:
picking and chiseling the concrete protective layer to expose the ribbed steel bars;
when the exposed surface of the ribbed steel bar is a cambered surface, screwing out one end with the diameter ratio opposite to the cambered surface opposite to the groove to prop against the cambered surface of the steel bar; comparing the cambered surface comparison grooves with different sizes until the cambered surface comparison grooves are completely matched with the cambered surface;
when the exposed surface of the steel bar is a longitudinal rib, screwing out one end with the diameter ratio of the longitudinal rib comparison groove of the counter clamp to abut against the longitudinal rib of the steel bar, and comparing the longitudinal rib comparison grooves with different sizes; until the longitudinal rib is completely matched with the longitudinal rib by the longitudinal rib comparison groove.
10. The method for comparing the diameters of the ribbed steel bars according to claim 9, wherein the diameters of the ribbed steel bars are recorded when the arc-surface comparison groove is completely matched with the arc surface/the longitudinal rib comparison groove is completely matched with the longitudinal rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214120.7A CN111336889B (en) | 2020-03-24 | 2020-03-24 | Ribbed steel bar diameter comparison ruler and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214120.7A CN111336889B (en) | 2020-03-24 | 2020-03-24 | Ribbed steel bar diameter comparison ruler and method |
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| CN111336889A true CN111336889A (en) | 2020-06-26 |
| CN111336889B CN111336889B (en) | 2021-09-24 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4283858A (en) * | 1979-11-08 | 1981-08-18 | Marian Sobczak | 45 Degree chamfer and radius gauge set |
| CN2067816U (en) * | 1990-01-17 | 1990-12-19 | 煤炭科学研究总院北京建井研究所 | Template for slicking jump bit |
| CN2225661Y (en) * | 1994-11-29 | 1996-04-24 | 上海新誉仪器厂 | Radius tyemplet |
| CN203949607U (en) * | 2014-05-23 | 2014-11-19 | 中建六局建设发展有限公司 | A kind of reinforcing bar is measured slide calliper rule |
-
2020
- 2020-03-24 CN CN202010214120.7A patent/CN111336889B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4283858A (en) * | 1979-11-08 | 1981-08-18 | Marian Sobczak | 45 Degree chamfer and radius gauge set |
| CN2067816U (en) * | 1990-01-17 | 1990-12-19 | 煤炭科学研究总院北京建井研究所 | Template for slicking jump bit |
| CN2225661Y (en) * | 1994-11-29 | 1996-04-24 | 上海新誉仪器厂 | Radius tyemplet |
| CN203949607U (en) * | 2014-05-23 | 2014-11-19 | 中建六局建设发展有限公司 | A kind of reinforcing bar is measured slide calliper rule |
Non-Patent Citations (3)
| Title |
|---|
| 常建立 等: "《建筑工程施工技术（下）》", 31 January 2017 * |
| 张小琼 等: "混凝土无损检测方法发展及应用", 《无损检测》 * |
| 郑下农: "《常用80种计量器具使用保养方法》", 31 August 2011 * |
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Effective date of registration: 20210901 Address after: 250031 Shandong Province Flyover District of Ji'nan City Road 29. Applicant after: Shandong Academy of Building Science Co.,Ltd. Applicant after: Shandong construction engineering quality inspection and Testing Center Co.,Ltd. Applicant after: Shandong Jianke Special Construction Engineering Technology Center Co.,Ltd. Applicant after: SHANDONG JIANKE ARCHITECTURAL DESIGN Co.,Ltd. Applicant after: Shandong Jianyan Testing Technology Co.,Ltd. Applicant after: Shandong Jianyan Technology Development Co.,Ltd. Address before: 250031 Shandong Province Flyover District of Ji'nan City Road 29. Applicant before: Shandong Academy of Building Science Co.,Ltd. Applicant before: Shandong construction engineering quality inspection and Testing Center Co.,Ltd. Applicant before: Shandong Jianke Special Construction Engineering Technology Center Co.,Ltd. Applicant before: SHANDONG JIANKE ARCHITECTURAL DESIGN Co.,Ltd. |
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