CN212902981U - Measuring scale for reinforcing steel bar protective layer at bottom of beam - Google Patents
Measuring scale for reinforcing steel bar protective layer at bottom of beam Download PDFInfo
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- CN212902981U CN212902981U CN202022316768.3U CN202022316768U CN212902981U CN 212902981 U CN212902981 U CN 212902981U CN 202022316768 U CN202022316768 U CN 202022316768U CN 212902981 U CN212902981 U CN 212902981U
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Abstract
The utility model relates to a measuring scale, it includes the sleeve pipe, sheathed tube tip fixedly connected with lagging, the lagging perpendicular to sleeve pipe, the lagging size is less than the perpendicular distance between adjacent stirrup and the adjacent logical long muscle, sliding connection has buret in the sleeve pipe, buret's outer wall size is less than sheathed tube inner wall size, buret is close to the tip fixedly connected with gage plate of lagging, gage plate perpendicular to buret, the gage plate size is less than the perpendicular distance between adjacent stirrup and the adjacent logical long muscle, sheathed tube height is less than buret's height, near tip that buret kept away from gage plate is carved with the scale. This application has measurement accuracy height, ensures the effect of the performance of beam bottom reinforcing bar protective layer.
Description
Technical Field
The application relates to the field of a quality control measuring instrument for a steel bar protection layer, in particular to a measuring scale for a steel bar protection layer at the bottom of a beam.
Background
At present, the steel bar protection layer generally refers to a concrete protection layer, the concrete protection layer refers to a concrete member, play the part of concrete that the protection reinforcing bar avoids the reinforcing bar to directly expose, the regulation of the minimum thickness of protection layer is the requirement of durability that makes concrete structure satisfy and the requirement of effective anchor to the atress reinforcing bar, concrete protection layer thickness is big, the atress reinforcing bar bonding anchor performance of component, durability and fire behavior are better, but too thick protection layer can make the crack width that produces after the component atress too big, will influence its performance, and because the tensile effect of concrete is not considered in the design, too thick protection layer still can inevitably cause economic waste, according to the new "concrete structure engineering construction quality acceptance standard" (GB 50204-2002) protection layer thickness standard in 2010: the protective layer thickness of the beam is 20mm to 50mm with a tolerance of + -5 mm.
Usually, the measurement beam bottom steel bar is mainly built by a through-length steel bar and a stirrup, the beam bottom steel bar protective layer is used for measuring after the beam bottom steel bar is built, the measurement is the vertical distance from the stirrup to the plane of the beam bottom, the number of the members needs to be measured to account for 2% of the total number, the measurement quantity is more, the conventional measurement method is to stretch a tape into the beam bottom, and then the height value from the beam bottom to the stirrup is read out.
Aiming at the related technologies, the inventor thinks that in the measuring process, the extending end of the tape needs to be fixed on the plane of the beam bottom, and then the scale value of the stirrup corresponding to the tape is observed.
SUMMERY OF THE UTILITY MODEL
In order to improve the bottom of a beam reinforcing bar protective layer and measure inaccurately, influence the defect of bottom of a beam reinforcing bar protective layer's performance, this application provides a bottom of a beam reinforcing bar protective layer dipperstick.
The application provides a pair of roof beam bottom protective layer dipperstick adopts following technical scheme:
a measuring scale comprises a sleeve, wherein the end part of the sleeve is fixedly connected with a sleeve plate, the sleeve plate is perpendicular to the sleeve, the sleeve plate part extends out of the sleeve, the maximum length of the sleeve plate is smaller than the larger value of the vertical distance between adjacent stirrups and the vertical distance between adjacent through-length ribs, the maximum width of the sleeve plate is smaller than the smaller value of the vertical distance between adjacent stirrups and the vertical distance between adjacent through-length ribs, a measuring tube is connected in the sleeve in a sliding manner, the end part of the measuring tube close to the sleeve plate is fixedly connected with a measuring plate, the measuring plate is perpendicular to the measuring tube, the measuring plate part extends out of the measuring tube, the maximum length of the measuring plate is smaller than the larger value of the vertical distance between adjacent stirrups and the vertical distance between adjacent through-length ribs, the maximum width of the measuring plate is smaller than the smaller value of the vertical distance between adjacent stirrups and the vertical distance between adjacent through-length ribs, the height of sleeve pipe is less than buret's height, buret is kept away from near the tip of gage plate and is carved with the scale, gage plate and lagging are the even flat board of thickness.
Through adopting above-mentioned technical scheme, stretch into through breast reinforcing bar through lagging and gage plate, make the gage plate butt on the breast plane and on the dipperstick perpendicular to breast plane, read out numerical value H0 on the dipperstick this moment, then lift the sleeve pipe, the gage holding is motionless, when the face and the stirrup butt of gage plate are kept away from to the lagging, read out scale H1 on the dipperstick this moment, subtract H0 through H1 and obtain the face that the gage plate is kept away from to the lagging and to the perpendicular distance delta H of stirrup, the perpendicular distance of the face that the gage plate was kept away from to the lagging is the sum D of lagging and gage plate thickness to the roof beam bottom protective layer, the sum of delta H and D obtains the thickness of roof beam bottom protective layer.
All be less than the perpendicular distance between adjacent stirrup and the adjacent logical long muscle through the size of lagging and gage plate, make the dipperstick can stretch into on the beam bottom plane through the breast reinforcing bar, be the even flat board of thickness through gage plate and lagging, make H0 numerical value that the lagging and gage plate were everywhere measured the same, make every perpendicular distance to the stirrup on the gage plate equal, make H1 numerical value that measures when no matter any position on the face of gage plate is the same with the stirrup butt, thereby ensure measuring accuracy.
Through the gage plate perpendicular to buret, the gage plate level is placed on the beam bottom plane for buret and beam bottom plane keep perpendicular, make the dipperstick measurement be the beam bottom plane to the perpendicular distance of stirrup, ensure the accuracy of measuring.
Through lagging perpendicular to sleeve pipe for the lagging slides to when with the stirrup butt along with the sleeve pipe, the reading of any butt face of lagging and stirrup on the dipperstick is the same, thereby ensures the measurement accuracy of dipperstick.
The height of the sleeve is smaller than that of the measuring tube, so that the scales on the measuring tube are exposed, the scales on the measuring tube are observed, and the measuring scale can be read for normal use.
Preferably, when the measuring plate and the sleeve plate are abutted, the scale of the projection position of the end part of the sleeve far away from the sleeve plate on the measuring tube is the sum of the thicknesses of the sleeve plate and the measuring plate.
Through adopting above-mentioned technical scheme, when through gage plate and lagging butt, establish the scale of the tip of keeping away from the lagging of sleeve pipe on the projection department on the gage plate into the sum of gage plate and gage plate thickness for the reading on the gage plate is the thickness of roof beam bottom reinforcing bar protective layer promptly when lagging and stirrup butt, thereby has accelerated the speed of reading.
Preferably, the maximum length of the part of the sleeve plate extending out of the sleeve along the direction vertical to the sleeve is larger than the diameter of the stirrup.
Through adopting above-mentioned technical scheme, the length of the extension through the lagging along perpendicular sleeve pipe direction is greater than the diameter of stirrup for the lagging can block on the stirrup when moving to with the stirrup butt along with the sleeve pipe, makes the sleeve pipe can't continue to move towards the orientation of keeping away from the beam bottom plane, makes the dipperstick block the distance that needs the measurement automatically, thereby improves measuring speed.
Preferably, a sleeve handle is connected to the side wall of the sleeve, and the sleeve handle is located at a position, far away from the sleeve plate, of the side wall.
Through adopting above-mentioned technical scheme, be connected with the cover handle through the sleeve pipe for grasp the cover handle when sliding sleeve and slide, make the dipperstick receive ascending pulling force less, avoid the sleeve pipe to move because of the great drive buret of atress in the slip in-process, avoid causing the inaccurate condition of measurement to take place because of buret moves.
Preferably, a measuring handle is connected to the side wall of the measuring tube, and the measuring handle is located at a position, far away from the measuring plate, of the side wall.
Through adopting above-mentioned technical scheme, be connected with the volume handle through buret for the sleeve pipe is blockked by the volume handle when sliding on buret, makes the sleeve pipe can not pound to ground from buret near the tip roll-off of volume handle, thereby reduces the potential safety hazard of dipperstick in handling.
Preferably, the length of the measuring handle is smaller than the length of the measuring plate close to the plate surface of the side wall of the measuring handle.
Through adopting above-mentioned technical scheme, the volume is to the focus skew that makes the dipperstick, leads to the dipperstick easily to topple over the direction at place to the cover, and the length that the throughput is less than the gage plate and is close to the length of the face of volume to the place lateral wall for the focus of dipperstick can be adjusted, makes the dipperstick keep balance when quiescent condition, makes dipperstick and beam bottom plane keep perpendicular, thereby ensures that the reading of dipperstick is accurate.
Preferably, the maximum length of the part of the measuring plate extending out of the measuring tube in the direction perpendicular to the measuring tube is greater than the wall thickness of the sleeve.
Through adopting above-mentioned technical scheme, the length of stretching out through the gage plate is greater than sheathed tube wall thickness for the sleeve pipe can not follow the tip roll-off that buret connects the gage plate, makes the volume with the cooperation of gage plate with the sleeve pipe card on buret, makes buret and sleeve pipe form integrated structure, makes the dipperstick always can not scatter at the removal process, makes wholly carry when next measurement department measures and passes, makes the dipperstick need not assemble once more, has improved the convenience that the dipperstick used.
Preferably, the burette is a hollow tube.
Through adopting above-mentioned technical scheme, be the hollow tube through buret for the whole weight of dipperstick reduces, makes the dipperstick be convenient for carry at the removal in-process of not measuring with the roof beam bottom reinforcing bar protective layer, has improved the portability of dipperstick.
Preferably, the measuring range on the measuring scale is 0-200 mm.
Through adopting above-mentioned technical scheme, establish to 0~200mm through the range with the dipperstick for the dipperstick can satisfy the measurement of the bottom of a large number of types reinforcing bar protective layer thickness, thereby has improved the flexibility that the dipperstick used.
Preferably, the height range value of the measuring scale is 0.6-2.0 m.
Through adopting above-mentioned technical scheme, the height of building the frame apart from ground of beam-bottom reinforcing bar is 0.4m, and the minimum height through the dipperstick is 0.6m, makes the dipperstick can stretch out outside the beam-bottom reinforcing bar, makes the scale on the dipperstick expose outside the beam-bottom reinforcing bar, thereby makes things convenient for the scale to be observed and carry out the reading, and the height range value of dipperstick is at 0.6~2.0m, satisfies popular height, thereby makes most people conveniently observe.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the measuring data of the measuring scale are accurate by the measuring scale, the dimension of the measuring scale is smaller than the vertical distance between the adjacent stirrups and the adjacent through-length ribs along the plane parallel to the bottom of the beam, the measuring plate is perpendicular to the measuring tube, the sleeve plate is perpendicular to the sleeve pipe, the sleeve plate and the measuring plate are both plates with uniform thickness, the height of the sleeve pipe is smaller than that of the measuring tube, the height of the measuring tube is 0.6-2.0 m, the sleeve handle is connected to the sleeve pipe, and the length of the through-length handle is smaller than that of the measuring plate close to the side wall of the measuring handle;
2. the extending length of the sleeve plate is larger than the diameter of the stirrup, so that the measuring scale can automatically clamp the distance to be measured, when the measuring plate is abutted against the sleeve plate, the scale of the projection position of the end part of the sleeve far away from the sleeve plate on the measuring tube is the sum of the thicknesses of the sleeve plate and the measuring plate, and the thickness of the reinforcing steel bar protective layer at the bottom of the beam can be directly obtained through reading, so that the measuring speed is improved;
3. the length of the measuring plate along the direction vertical to the measuring tube is larger than the wall thickness of the sleeve, and the measuring tube, the sleeve handle and the measuring handle are hollow tubes, so that the portability of the measuring scale is improved;
4. the range through the dipperstick is established to 0~200mm for the dipperstick can measure the bottom of a beam reinforcing bar protective layer of different specifications, improves the flexibility of dipperstick.
Drawings
Fig. 1 is a schematic view of the overall construction of the measuring ruler in the present application.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Description of reference numerals: 1. measuring a scale; 11. a sleeve; 12. sheathing; 13. sheathing a handle; 14. measuring a tube; 15. measuring a plate; 16. measuring the size of the handle; 17. calibration; 2. passing through long ribs; 3. hooping; 4. a beam bottom plane.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a measuring ruler. Referring to fig. 1, the measuring scale 1 comprises a sleeve 11, a sleeve plate 12 perpendicular to the sleeve 11 is connected to an end portion of the sleeve 11 in the length direction, a measuring tube 14 is arranged in the sleeve 11, the sleeve 11 is slidably connected with the measuring tube 14, a measuring plate 15 perpendicular to the measuring tube 14 is connected to an end portion, close to the sleeve plate 12, of the measuring tube 14, and scales 17 are marked on one end, far away from the measuring plate 15, of the measuring tube 14.
The sleeve 11 is a rectangular pipe, the sleeve 11 comprises two narrow side walls, two wide side walls and two end parts, the length of the wide side wall of the sleeve 11 is smaller than the vertical distance between two adjacent stirrups 3, and the length of the wide side wall of the sleeve 11 is also smaller than the vertical distance between two adjacent through long ribs 2.
The cross section of the sleeve plate 12 is rectangular plate-shaped, the plate surface of the sleeve plate 12 extends out of one narrow side wall of the sleeve 11, the length of the long edge of the sleeve plate 12 is smaller than the vertical distance between two adjacent stirrups 3, the length of the long edge of the sleeve plate 12 is also smaller than the vertical distance between two adjacent through-length ribs 2, and the length of the part of the sleeve plate 12 extending out of the sleeve 11 along the direction perpendicular to the sleeve 11 is larger than the diameter of each stirrup 3.
The sleeve handle 13 is fixedly connected to the side wall of the sleeve 11, the sleeve handle 13 is a circular tube, the length direction of the sleeve handle 13 is perpendicular to the narrow side wall of the sleeve 11 and extends towards the direction far away from the narrow side wall of the sleeve 11, the outer diameter of the sleeve handle 13 is smaller than the width of the narrow side wall, the sleeve handle 13 and the sleeve plate 12 are arranged on the same narrow side wall of the sleeve 11, and the sleeve handle 13 is arranged at one end, far away from the end part of the sleeve plate 12, of the sleeve 11.
The cross section of the measuring plate 15 is rectangular plate-shaped, the plate surface of the measuring plate 15 extends out of the narrow side wall of the measuring tube 14, the measuring plate 15 and the sleeve plate 12 are on the same side, the plate surface of the measuring plate 15 is perpendicular to the measuring tube 14, the length of the long edge of the measuring plate 15 is smaller than the perpendicular distance between two adjacent stirrups 3, the length of the long edge of the measuring plate 15 is also smaller than the perpendicular distance between two adjacent through-length ribs 2, and the length of the part of the measuring plate 15 extending out of the measuring tube 14 in the direction perpendicular to the measuring tube 14 is larger than the wall thickness of.
The measuring tube 14 is fixedly connected with a measuring handle 16 on the side wall, the measuring tube 14 is a circular tube, the measuring handle 16 and the sleeve handle 13 are located on the same side, the measuring handle 16 is perpendicular to the side wall of the measuring tube 14, the measuring handle 16 is located at one end, away from the end portion of the measuring plate 15, of the measuring tube 14, the outer diameter of the measuring handle 16 is smaller than the width of the outer wall of the measuring tube 14, the length of the measuring handle 16 is smaller than the length of the measuring plate 15 close to the plate surface of the side wall of the measuring handle 16, and the length of the measuring handle 16 in the direction perpendicular to the measuring tube.
One of the wide side walls of the measuring tube 14 is marked with a scale 17, the scale 17 is perpendicular to the height direction of the measuring tube 14, the length of the scale 17 is smaller than the height difference between the sleeve 11 and the measuring tube 14, in the embodiment, the measuring range of the scale 17 is 60mm, in other embodiments, the measuring range of the scale 17 can be 0mm, 50mm, 100mm, 200mm and the like, when the measuring scale 1 is in an original state, namely perpendicular to the beam bottom plane 4, the sleeve 11 has zero sliding displacement relative to the measuring tube 14, the measuring plate 15 abuts against the beam bottom plane 4, the sleeve plate 12 abuts against the measuring plate 15, and the scale 17 projected on the measuring tube 14 by the end part of the sleeve 11 far away from the sleeve plate 12 is equal to the sum of the thicknesses of the measuring plate 15 and the sleeve.
In the embodiment, the height of the measuring scale 1 is 1.6m, and in other embodiments, the height of the measuring scale 1 may also be 0.6m, 1.0m, 1.5m, 2.0m, and the like.
The implementation principle of a measuring scale 1 in the embodiment of the application is as follows: when a measuring scale 1 is used for measuring a beam bottom steel bar protection layer, the plate surface of a measuring plate 15 is horizontally placed on a beam bottom plane 4, the plate surface of the measuring plate 15 is perpendicular to a measuring tube 14, the measuring scale 1 and the beam bottom plane 4 are kept in a perpendicular state, the side wall of the measuring tube 14 where a scale 17 is located is placed opposite to a measurer, when the measuring scale 1 moves in the horizontal direction until the side wall where a handle 13 is located is in contact with a stirrup 3, the measuring scale 1 is put down again, the measuring scale 1 is kept perpendicular to the beam bottom plane 4, a sleeve plate 12 is perpendicular to a sleeve pipe 11, the sleeve pipe 11 is lifted and moves in the direction far away from the beam bottom until the plate surface of the sleeve plate 12 is in contact with the stirrup 3, at the moment, the end part of the sleeve pipe 11 is superposed with a certain scale 17 on the scale 17, and finally, the scale 17 of the end part of the.
The size of the lateral wall of the sleeve 11 is smaller than the vertical distance between the adjacent stirrups 3 and the adjacent long ribs 2, so that the sleeve 11 extends into the beam bottom plane 4 through the gaps between the stirrups 3 and the long ribs 2, the measurement is started from the beam bottom plane 4 as a zero reference surface, and the accurate measurement of the measuring scale 1 is ensured.
The size of the lagging 12 is smaller than the vertical distance between the adjacent stirrup 3 and the adjacent through long rib 2, so that the lagging 12 extends into the beam bottom plane 4 through the gap between the stirrup 3 and the through long rib 2, the measurement is started to be a zero reference surface from the beam bottom plane 4, and the accurate measurement of the measuring scale 1 is ensured.
The perpendicular distance of one of them of lagging 12 short side to sleeve pipe 11 is greater than the diameter of stirrup 3, when slide sleeve 11 removes towards the direction of keeping away from beam bottom plane 4 in the measurement process, lagging 12 can block on stirrup 3 for sleeve pipe 11 can't continue to remove towards the direction of keeping away from beam bottom plane 4, the reading at this moment is the height of beam bottom plane 4 to stirrup 3, also is the thickness of beam bottom reinforcing bar protective layer, through the mode of spacing reading, make measuring speed accelerate.
Set up the cover on 11's the lateral wall and overlap 13, slide sleeve 11 through cover 13, the operator's of being convenient for use has increased the use convenience of dipperstick 1.
The outer wall of the measuring tube 14 is smaller than the inner wall of the casing 11, so that the measuring tube 14 can be placed in the casing 11, the casing 11 can slide relative to the measuring tube 14, the sleeve plate 12 can be clamped on the stirrup 3 along with the movement of the casing 11, and the accurate reading of the measuring scale 1 can be ensured.
The height of the measuring tube 14 is greater than the height of the sleeve 11 plus the height of the measuring tape 1 so that the scale 17 exposed on the sleeve 11 can be observed, ensuring a proper reading of the measuring tape 1.
The size of gage plate 15 is less than adjacent stirrup 3 and the adjacent perpendicular distance who leads to long muscle 2, makes gage plate 15 stretch into to beam bottom plane 4 through the space between stirrup 3 and the logical long muscle 2 for the measurement begins the measurement for zero reference surface from beam bottom plane 4, ensures the accurate measurement of dipperstick 1.
The cover shifts 13 the focus of messenger's dipperstick 1, leads to dipperstick 1 easily to topple over to the direction at 13 places of cover, and the length that the face of gage plate 15 is close to 13 place lateral walls of cover is greater than the length of cover 13, makes dipperstick 1's focus adjust, makes dipperstick 1 keep balance when quiescent condition, makes dipperstick 1 and bottom of a beam plane 4 keep perpendicular to ensure dipperstick 1's reading accuracy.
The bottom of the measuring tube 14 is provided with a measuring plate 15, the length of the measuring plate 15 along the direction vertical to the measuring tube 14 is larger than the wall thickness of the sleeve 11, the sleeve 11 is prevented from moving towards the outside of the end part where the measuring plate 15 is located, the measuring handle 16 is arranged on the measuring tube 14, the length of the measuring handle 16 along the direction vertical to the measuring tube 14 is larger than the wall thickness of the sleeve 11, the sleeve 11 is limited between the measuring handle 16 and the measuring plate 15 by the fact that the sleeve 11 is prevented from moving towards the outside of the end part where the measuring handle 16 is located through the measuring handle 16, and therefore the measuring scale 1 is integrated, scattering is avoided in the conveying process, and the portability of the measuring scale 1 is improved.
According to the different intensity grade of concrete, the thickness of bottom of a beam reinforcing bar protective layer is from 20mm to 50mm unequal, and the error is in 5mm, and the range design of scale 17 is 60mm, can satisfy the measurement of different bottom of a beam reinforcing bar protective layers for dipperstick 1's flexibility is high.
The height of the measuring scale 1 is 1.6m, so that the height of the public can be met, and the reading is convenient.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a beam bottom reinforcing bar protective layer dipperstick (1), includes sleeve pipe (11), its characterized in that: the tip fixedly connected with lagging (12) of sleeve pipe (11), lagging (12) perpendicular to sleeve pipe (11), lagging (12) part stretches out outside sleeve pipe (11), the maximum length of lagging (12) is less than the perpendicular distance between adjacent stirrup (3) and the perpendicular distance between adjacent logical length muscle (2) the bigger of value, the maximum width of lagging (12) is less than the perpendicular distance between adjacent stirrup (3) and the perpendicular distance between adjacent logical length muscle (2) the smaller of value, sliding connection has buret (14) in sleeve pipe (11), the outer wall size of buret (14) is less than the inner wall size of sleeve pipe (11), buret (14) is close to tip fixedly connected with gage plate (15) of lagging (12), gage plate (15) is perpendicular to buret (14), buret plate (15) part stretches out outside (14), the biggest length of gage plate (15) is less than the bigger of value in the vertical distance between than adjacent stirrup (3) and the adjacent logical long muscle (2), the greatest width of gage plate (15) is less than the less of value in the vertical distance between than adjacent stirrup (3) and the adjacent logical long muscle (2), the height that highly is less than buret (14) of sleeve pipe (11), buret (14) are kept away from near tip of gage plate (15) and are carved with scale (17), gage plate (15) and lagging (12) are the even flat board of thickness.
2. The beam bottom reinforcement protection layer dipperstick (1) of claim 1, characterized in that: when the measuring plate (15) is abutted against the sleeve plate (12), the scale (17) of the projection position of the end part of the sleeve (11) far away from the sleeve plate (12) on the measuring tube (14) is the sum of the thicknesses of the sleeve plate (12) and the measuring plate (15).
3. The beam bottom reinforcement protection layer dipperstick (1) of claim 1, characterized in that: the maximum length of the extending part of the sleeve plate (12) along the direction vertical to the sleeve (11) is larger than the diameter of the stirrup (3).
4. The beam bottom reinforcement protection layer dipperstick (1) of claim 1, characterized in that: the side wall of the sleeve (11) is connected with a sleeve handle (13), and the sleeve handle (13) is located on the position, far away from the sleeve plate (12), of the side wall.
5. The beam bottom reinforcement protection layer dipperstick (1) of claim 1, characterized in that: the side wall of the measuring tube (14) is connected with a measuring handle (16), and the measuring handle (16) is located on the position, far away from the measuring plate (15), of the side wall.
6. The beam bottom reinforcement protection layer dipperstick (1) of claim 5, characterized in that: the length of the measuring handle (16) is less than the length of the measuring plate (15) close to the plate surface of the side wall where the measuring handle (16) is located.
7. The beam bottom reinforcement protection layer dipperstick (1) of claim 1, characterized in that: the maximum length of the part of the measuring plate (15) extending out of the measuring tube (14) along the direction vertical to the measuring tube (14) is larger than the wall thickness of the sleeve (11).
8. The beam bottom reinforcement protection layer dipperstick (1) of claim 1, characterized in that: the measuring tube (14) is a hollow tube.
9. The beam bottom reinforcement protection layer dipperstick (1) of claim 1, characterized in that: the measuring range on the measuring scale (1) is 0-200 mm.
10. The beam bottom reinforcement protection layer dipperstick (1) of claim 1, characterized in that: the height range value of the measuring scale (1) is 0.6-2.0 m.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN2020216386296 | 2020-08-07 | ||
| CN202021638629 | 2020-08-07 |
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| CN212902981U true CN212902981U (en) | 2021-04-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390321A (en) * | 2021-06-06 | 2021-09-14 | 中交路桥建设有限公司 | Method for detecting thickness of steel bar protection layer before pouring of cable tower concrete |
| CN114353622A (en) * | 2022-01-04 | 2022-04-15 | 北京送变电有限公司 | Foundation outer stirrup length parameter calculation device |
-
2020
- 2020-10-16 CN CN202022316768.3U patent/CN212902981U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390321A (en) * | 2021-06-06 | 2021-09-14 | 中交路桥建设有限公司 | Method for detecting thickness of steel bar protection layer before pouring of cable tower concrete |
| CN114353622A (en) * | 2022-01-04 | 2022-04-15 | 北京送变电有限公司 | Foundation outer stirrup length parameter calculation device |
| CN114353622B (en) * | 2022-01-04 | 2024-03-29 | 北京送变电有限公司 | Device for calculating length parameter of outer stirrup of foundation |
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