CN202032990U - Steel bar flexual center and radius measuring instrument - Google Patents
Steel bar flexual center and radius measuring instrument Download PDFInfo
- Publication number
- CN202032990U CN202032990U CN2011200235028U CN201120023502U CN202032990U CN 202032990 U CN202032990 U CN 202032990U CN 2011200235028 U CN2011200235028 U CN 2011200235028U CN 201120023502 U CN201120023502 U CN 201120023502U CN 202032990 U CN202032990 U CN 202032990U
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- CN
- China
- Prior art keywords
- dip stick
- measuring ruler
- main
- main dip
- protractor
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a flexural center angle and radius measuring instrument. The steel bar flexural center and radius measuring instrument of the utility model includes a protractor, and one end of the protractor is fixedly connected with a main measuring ruler I. The other end of the main measuring ruler I is provided with a pin, and the pin is the center of a circle of the protractor and the zero graduation of the main measuring ruler I. The main measuring ruler I is hinged to a main measuring ruler II via the pin, and the main measuring ruler II circumferentially rotates along the protractor. The main measuring ruler I is provided with an auxiliary measuring ruler I which can slide along the main measuring ruler I. The main measuring ruler II is provided with an auxiliary measuring ruler II which can slide along the main measuring ruler II. The auxiliary measuring ruler I and the auxiliary measuring ruler II are provided with sliding grooves along the axial direction respectively. The auxiliary measuring ruler I is hinged to the auxiliary measuring ruler II via a fixed shaft, and the fixed shaft is arranged in the sliding grooves. The auxiliary measuring ruler I and the auxiliary measuring ruler II can generate the relative sliding along the slide grooves, and each auxiliary measuring ruler takes the intersecting position with the main measuring ruler as the zero graduation. The measuring instrument can measure the flexural center radius, the steel bar diameter, and the steel bar straight and flat section length at the same time.
Description
Technical field
The utility model relates to a kind of surveying instrument, relates in particular to a kind of flexual center angle and apparatus for measuring radius, and it can be used for the quality control and the examination of reinforcing bar in the field of civil engineering reinforced concrete structure.
Background technology
In the reinforced concrete structure, the reinforcing bar of member requires that 30 °-180 ° bending is arranged, and bending arc interior diameter is had specific requirement, and bar diameter, flat segments length are also had specific requirement.But actual reinforcing bar blanking stage and acceptance phase, the control and the check of reinforcing bar bending arc interior diameter, bar diameter, flat segments length need to use multiple instrument combined measurement, waste time and energy, and seldom bending arc interior diameter is controlled in present quality control and the examination, make reinforcement installation can not satisfy the structure requirement of code requirement, had a strong impact on construction quality.
The utility model content
Technique effect of the present utility model can overcome above-mentioned defective, and a kind of reinforcing bar flexual center and apparatus for measuring radius are provided, and it is simple in structure, can measure bar diameter, flexual center radius and reinforcing bar flat segments length simultaneously.
For achieving the above object, the utility model adopts following technical scheme: its reinforcing bar flexual center and apparatus for measuring radius comprise protractor, the affixed main dip stick I of one end of protractor, the other end of main dip stick I is provided with bearing pin, bearing pin is the center of circle of protractor and the zero graduation of main dip stick I, main dip stick I is hinged by bearing pin and main dip stick II, and main dip stick II rotates along the protractor circumference; Main dip stick I is provided with can be along the subsidiary chi I of main dip stick I slip, main dip stick II is provided with can be along the subsidiary chi II of main dip stick II slip, be respectively equipped with chute vertically on subsidiary chi I and the subsidiary chi II, subsidiary chi I and subsidiary chi II are hinged by stationary shaft, stationary shaft places in the chute, subsidiary chi I and subsidiary chi II can produce relative slip along chute, its respectively with main dip stick intersection be zero graduation.
Device of the present utility model, easy and simple to handle, calculate simple, can measure bar diameter, flexual center radius and reinforcing bar flat segments measurement of length instrument simultaneously.
Main dip stick I is provided with slide rule I, and slide rule I slides along main dip stick I.On the slide rule I slide block is set, slide block slides along slide rule I.The intersection of slide block and main dip stick I is the zero graduation of slide rule I.Main dip stick II is provided with slide rule II, and slide rule II slides along main dip stick II, and slide rule II and subsidiary chi II are affixed.The lower limb of subsidiary chi II and the intersection of main dip stick II are the zero graduation of slide rule II.
After adopting said apparatus, can record bar diameter, record reinforcing bar flat segments length by slide rule II by slide rule I, by subsidiary chi reading in conjunction with the bar diameter that has recorded push away reinforcing bar flexual center radius.In addition, protractor can record the flexual center angle of reinforcing bar.This device not only can be used for the measurement of reinforcing bar, and other relates to the measurement of buckling work building materials also can be used for field of civil engineering, as the steel pipe support of bending, crooked measurements such as plywood form.
The utility model has the advantages that multi-functional, easy to use, can record flexual center radius, bar diameter and reinforcing bar flat segments length simultaneously, and can self check the accuracy of lateral bending heart radius, satisfy the requirement that requirement is quantitatively controlled to the reinforcing bar relative configurations in the reinforced concrete structure.Easy to carry, make simply, measure fast, but large tracts of land promote the use of, be applicable to the construction condition of general civil engineering structure, to guarantee construction quality.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1. main dip stick I; 2. main dip stick II; 3. subsidiary chi I; 4. subsidiary chi II; 5. slide rule I; 6. slide rule II; 7. slide block; 8. protractor; 9. bearing pin; 10. stationary shaft; 11. chute; 12. reinforcing bar.
Embodiment
Reinforcing bar flexual center of the present utility model and apparatus for measuring radius comprise protractor 8, the affixed main dip stick I1 of one end of protractor 8, the other end of main dip stick I1 is provided with bearing pin 9, bearing pin 9 is the center of circle of protractor 8 and the zero graduation of main dip stick I1, main dip stick I1 is hinged with main dip stick II2 by bearing pin 9, and main dip stick II2 rotates along the protractor circumference; Main dip stick I1 is provided with can be along the subsidiary chi I3 of main dip stick I slip, main dip stick II2 is provided with can be along the subsidiary chi II4 of main dip stick II slip, be respectively equipped with chute 11 vertically on subsidiary chi I3 and the subsidiary chi II4, subsidiary chi I3 and subsidiary chi II4 are hinged by stationary shaft 10, stationary shaft 10 places in the chute 11, subsidiary chi I3 and subsidiary chi II4 can produce relative slip along chute 11, its respectively with main dip stick intersection be zero graduation.
Main dip stick I1 is provided with slide rule I5, and slide rule I5 slides along main dip stick I1.Slide block 7 is set on the slide rule I5, and slide block 7 slides along slide rule I5.Slide block 7 is the zero graduation of slide rule I5 with the intersection of main dip stick I1.Main dip stick II2 is provided with slide rule II6, and slide rule II6 slides along main dip stick II2, and slide rule II6 and subsidiary chi II4 are affixed.The lower limb of subsidiary chi II4 and the intersection of main dip stick II2 are the zero graduation of slide rule II6.
During use, rotate main dip stick II2, make two main dip stick I1, main dip stick II2 tangent with the flat segments of reinforcing bar 12 respectively.Slip subsidiary chi I 3, subsidiary chi II 4 overlap its zero graduation respectively with the point of contact of main dip stick I1, main dip stick II2 and reinforcing bar 12, adjusting slider 7 makes it block reinforcing bar 12.Read the reading of main dip stick I1, subsidiary chi I 3, subsidiary chi II4, slide rule I 5, slide rule II6 and protractor 8 respectively.Then the numerical value of slide rule I 5 is the diameter of reinforcing bar 12, slide rule II6 is a reinforcing bar flat segments length, subsidiary chi I 3, subsidiary chi numerical value that II4 surveys and half flexual center radius that is reinforcing bar 12 (in fact, each numerical value of subsidiary chi I 3, subsidiary chi II4 can be as the flexual center radius of reinforcing bar 12, for improving measuring accuracy, desirable both mean value), the numerical value of protractor 8 is the flexual center angle of reinforcing bar.
Claims (6)
1. reinforcing bar flexual center and apparatus for measuring radius, it is characterized in that, comprise protractor (8), the affixed main dip stick I of one end of protractor (8) (1), the other end of main dip stick I (1) is provided with bearing pin (9), bearing pin (9) is the center of circle of protractor (8) and the zero graduation of main dip stick I (1), and main dip stick I (1) is hinged with main dip stick II (2) by bearing pin (9), and main dip stick II (2) rotates along the protractor circumference; Main dip stick I (1) is provided with can be along the subsidiary chi I (3) of main dip stick I slip, main dip stick II (2) is provided with can be along the subsidiary chi II (4) of main dip stick II slip, be respectively equipped with chute (11) vertically on subsidiary chi I (3) and the subsidiary chi II (4), subsidiary chi I (3) and subsidiary chi II (4) are hinged by stationary shaft (10), stationary shaft (10) places in the chute (11), subsidiary chi I (3) and subsidiary chi II (4) can produce relative slip along chute (11), its respectively with main dip stick intersection be zero graduation.
2. reinforcing bar flexual center according to claim 1 and apparatus for measuring radius is characterized in that, main dip stick I (1) is provided with slide rule I (5), and slide rule I (5) slides along main dip stick I (1).
3. reinforcing bar flexual center according to claim 2 and apparatus for measuring radius is characterized in that, slide block (7) is set on the slide rule I (5), and slide block (7) slides along slide rule I (5).
4. reinforcing bar flexual center according to claim 3 and apparatus for measuring radius is characterized in that, slide block (7) is the zero graduation of slide rule I (5) with the intersection of main dip stick I (1).
5. reinforcing bar flexual center according to claim 1 and apparatus for measuring radius is characterized in that, main dip stick II (2) is provided with slide rule II (6), and slide rule II (6) slides along main dip stick II (2), and slide rule II (6) and subsidiary chi II (4) are affixed.
6. reinforcing bar flexual center according to claim 5 and apparatus for measuring radius is characterized in that, the intersection of the lower limb of subsidiary chi II (4) and main dip stick II (2) is the zero graduation of slide rule II (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200235028U CN202032990U (en) | 2011-01-25 | 2011-01-25 | Steel bar flexual center and radius measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200235028U CN202032990U (en) | 2011-01-25 | 2011-01-25 | Steel bar flexual center and radius measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202032990U true CN202032990U (en) | 2011-11-09 |
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ID=44895284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200235028U Expired - Fee Related CN202032990U (en) | 2011-01-25 | 2011-01-25 | Steel bar flexual center and radius measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202032990U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661699A (en) * | 2012-05-15 | 2012-09-12 | 贵州红湖发动机零部件有限公司 | Precision measurement method of large-radius short arc part |
| CN109106374A (en) * | 2018-11-05 | 2019-01-01 | 青岛大学附属医院 | A kind of infant's bregma measuring instrument and its measurement method |
-
2011
- 2011-01-25 CN CN2011200235028U patent/CN202032990U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661699A (en) * | 2012-05-15 | 2012-09-12 | 贵州红湖发动机零部件有限公司 | Precision measurement method of large-radius short arc part |
| CN109106374A (en) * | 2018-11-05 | 2019-01-01 | 青岛大学附属医院 | A kind of infant's bregma measuring instrument and its measurement method |
| CN109106374B (en) * | 2018-11-05 | 2023-07-21 | 青岛大学附属医院 | Infant bregma measuring instrument and measuring method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20130125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |