CN212482847U - Scale device for observing relative displacement of steel truss unloading deflection - Google Patents
Scale device for observing relative displacement of steel truss unloading deflection Download PDFInfo
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- CN212482847U CN212482847U CN202022927406.8U CN202022927406U CN212482847U CN 212482847 U CN212482847 U CN 212482847U CN 202022927406 U CN202022927406 U CN 202022927406U CN 212482847 U CN212482847 U CN 212482847U
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Abstract
The scale device comprises a displacement scale and a relative displacement reference ruler, wherein the top end of the displacement scale is fixed to the bottom surface of the lower chord of the steel truss, the top and bottom of the displacement scale extend to a position 1m away from the ground along the steel support, the relative displacement reference ruler is fixed to the steel support through a connecting piece, the upper end and the lower end of the relative displacement reference ruler are respectively fixed to an upper connecting piece and a lower connecting piece, an upper connecting plate and a lower connecting plate are respectively arranged on the upper back surface and the lower front surface of the relative displacement reference ruler, the displacement scale penetrates through a space between the upper connecting plate and the lower connecting plate, and a blocking plate is arranged on the front surface of the upper connecting plate and on the outer side of the displacement scale. The utility model discloses can obtain the steel truss deflection value of every observation point at the uninstallation in-process very first time, have characteristics such as safe, suitable for.
Description
Technical Field
The utility model relates to a construction field specifically belongs to a steel truss uninstallation amount of deflection surveys relative displacement's scale device.
Background
Because steel truss uninstallation mode is mostly whole uninstallation, and supports observation point location many, except that the interim straightness and the structure amount of deflection deformation stress detection of supporting still need solve the real-time problem of amount of deflection observation when the truss uninstalls:
firstly, timeliness is required for observing unloading deflection of the steel truss, and a data value of structural deflection is observed in multi-point synchronous time;
secondly, the observation of the unloading deflection of the steel truss needs to be intuitive, and the measurement means of a conventional instrument is not satisfied with the primary data of multi-point observation of the unloading of the truss.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a relative displacement's scale device is surveyd to steel truss uninstallation amount of deflection solves the not satisfied technical problem who surveys the needs in real time of prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a scale device of relative displacement is surveyd to steel truss uninstallation amount of deflection, the interim braced system in steel truss bottom includes the steel shotcrete, its characterized in that: the scale device comprises a displacement scale and a relative displacement reference ruler, wherein the top end of the displacement scale is fixed on the bottom surface of the lower chord of the steel truss, the displacement scale extends to a position 1m away from the ground along the steel support from top to bottom, the relative displacement reference ruler is fixed with the steel support through a connecting piece, the upper end and the lower end of the relative displacement reference ruler are respectively fixed with an upper connecting piece and a lower connecting piece, the upper back surface and the lower front surface of the relative displacement reference ruler are respectively provided with an upper connecting plate and a lower connecting plate, the displacement scale penetrates through a space between the upper connecting plate and the lower connecting plate, and the front surface of the upper connecting plate and the outer side of the.
Further preferably, the relative displacement reference scale and the displacement scale are the same thickness.
Further, the plane of the upper connecting plate and the plane of the lower connecting plate are parallel to the plane of the relative displacement reference ruler.
Furthermore, the distance between the opposite surfaces of the upper connecting plate and the lower connecting plate is the same as the thickness of the relative displacement reference ruler, and the upper connecting plate and the lower connecting plate are arranged in parallel with the relative displacement reference ruler.
Furthermore, the distance between the gear plate and the relative displacement reference ruler is matched with the width of the displacement graduated scale.
Further, be equipped with the interval on the both sides of displacement scale, the steel shotcrete and be equipped with displacement scale locating part, displacement scale locating part is including the scale limiting plate of locating the both sides of displacement scale, both sides the spacing interval of scale limiting plate suits with displacement scale width, two between the scale limiting plate, the displacement scale outside still is equipped with the connecting plate.
In addition, an indication arrow is arranged on the displacement graduated scale, and a graduated mark is arranged on the relative displacement reference scale.
More preferably, the relative displacement is 1.4-1.6 m from the ground by referring to the bottom of the ruler.
Compared with the prior art the utility model has the following characteristics and beneficial effect:
the utility model discloses the displacement scale is hugged closely to relative displacement reference scale parallel, relative displacement reference scale passes through the connecting piece installation and welding reinforcement on the steel shotcrete, the displacement scale is fixed in the steel truss bottom surface, displacement scale and its synchronous displacement when making the steel truss uninstallation, the displacement scale produces relative displacement with relative displacement reference scale, thereby audio-visual amount of deflection numerical value of reading out the steel truss, can obtain the steel truss deflection value of every observation point in the very first time of uninstallation in-process, and the safety is had, characteristics such as being suitable for, there are fine popularization and practical value, can produce good economic benefits after extensive popularization and application.
Drawings
Fig. 1 is the utility model discloses a steel truss uninstallation amount of deflection surveys relative displacement's scale device's schematic structure diagram.
Reference numerals: 1-steel support; 2-displacement scale; 3-relative displacement reference ruler; 4-limiting plate of graduated scale; 6-connecting plates; 7-upper connecting plate; 8-a lower connecting plate; 9-shift plate.
Detailed Description
In order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention will be further described below.
The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
A scale device for observing relative displacement of steel truss unloading deflection is disclosed, wherein a temporary support system at the bottom of the steel truss comprises a steel support 1, as shown in figure 1, the scale device comprises a displacement scale 2 and a relative displacement reference ruler 3, the top end of the displacement scale 2 is fixed at the bottom surface of the lower chord of the steel truss, the displacement scale extends to a position 1m away from the ground along the steel support 1 from top to bottom, the relative displacement reference ruler 3 is fixed with the steel support 1 through a connecting piece (not shown in the figure), the upper end and the lower end of the relative displacement reference ruler 3 are respectively fixed with an upper connecting piece and a lower connecting piece, the upper back surface and the lower front surface of the relative displacement reference ruler 3 are respectively provided with an upper connecting plate 7 and a lower connecting plate 8, the displacement scale 2 penetrates through the space between the upper connecting plate 7 and the lower connecting plate 8, the front surface of the upper connecting plate 7 and the outer side of the displacement scale 2, the plane where the upper connecting plate 7 and the lower connecting plate 8 are located is parallel to the plane where the relative displacement reference ruler 3 is located, the distance between opposite surfaces of the upper connecting plate 7 and the lower connecting plate 8 is the same as the thickness of the relative displacement reference ruler 3 and is arranged in parallel to the relative displacement reference ruler 3, the distance between the shift plate 9 and the relative displacement reference ruler 3 is matched with the width of the displacement graduated scale 2, displacement graduated scale limiting parts are arranged on two sides of the displacement graduated scale 2 and on the steel support 1 at intervals, the displacement graduated scale limiting parts comprise graduated scale limiting plates 4 arranged on two sides of the displacement graduated scale 2, the distance between the two graduated scale limiting plates 4 is matched with the width of the displacement graduated scale 2, a connecting plate 6 is further arranged between the two graduated scale limiting plates 4 and on the outer side of the displacement graduated scale 2, an indicating arrow is arranged on the displacement reference ruler 3, and scale marks are arranged on, the bottom of the relative displacement reference ruler 3 is 1.4-1.6 m away from the ground.
The utility model is mainly made of a thin steel plate with the thickness of 6 mm.
1. Welding a displacement graduated scale to the lower chord plane of the truss, supporting the displacement graduated scale to the position 1m higher than the ground in parallel along with the extension steel, adjusting the displacement graduated scale, installing displacement graduated scale limiting parts at intervals of 2m on two sides of the steel support displacement graduated scale to ensure the verticality of the displacement graduated scale, not influencing the displacement of the displacement graduated scale, and being used for synchronizing the displacement change of the steel truss during unloading;
2. the steel truss deflection measuring device is characterized in that a relative displacement reference ruler is installed on a steel support at the position 1.5m higher than the ground, the relative displacement reference ruler is installed on the steel support through a connecting piece and is welded and reinforced on the steel support, a displacement graduated scale is fixed on the bottom surface of a steel truss, the displacement graduated scale and the relative displacement reference ruler synchronously displace when the steel truss is unloaded, and the displacement graduated scale and the relative displacement reference ruler generate relative displacement, so that the deflection numerical value of the steel truss can be visually read, and the deflection numerical value of the steel truss at each observation point can be obtained at the first time in the unloading process.
3. The blocking plate is made of 6mm thick flat iron 100mm multiplied by 30mm and is close to the displacement graduated scale in parallel. Constraining the parallel relationship between the displacement scale and the relative displacement reference scale, the displacement scale: the truss is made of 6mm thick flat iron, the width of the truss is 30mm, the length of the truss depends on the field situation of each observation point, and the truss extends to the height of 1m above the ground. The device is used for synchronizing the displacement of the unloading observation point of the truss, so that the deflection is visualized when the truss is unloaded, and the relative displacement refers to the ruler: the displacement scale is formed by welding flat iron with the thickness of 6mm and the size of 300mm multiplied by 30mm on a steel support to the position 1.5m higher than the ground in parallel and next to the displacement scale. And obtaining the deflection value of the truss during unloading through the relative displacement generated by the displacement scale.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a scale device of relative displacement is surveyd to steel truss uninstallation amount of deflection, the interim braced system in steel truss bottom includes steel shotcrete (1), its characterized in that: the scale device comprises a displacement scale (2) and a relative displacement reference ruler (3), wherein the top end of the displacement scale (2) is fixed to the bottom surface of the lower chord of a steel truss, the relative displacement reference ruler (3) extends to a position 1m away from the ground along a steel support (1) from top to bottom, the relative displacement reference ruler (3) is fixed to the steel support (1) through a connecting piece, the upper end and the lower end of the relative displacement reference ruler (3) are respectively fixed to an upper connecting piece and a lower connecting piece, the upper back surface and the lower front surface of the relative displacement reference ruler (3) are respectively provided with an upper connecting plate (7) and a lower connecting plate (8), the displacement scale (2) penetrates through a space between the upper connecting plate (7) and the lower connecting plate (8), and a blocking plate (9) is arranged on the front surface of the upper connecting plate (.
2. The calibration device for observing the relative displacement of the unloading deflection of the steel truss as claimed in claim 1, is characterized in that: the relative displacement reference ruler (3) and the displacement graduated scale (2) have the same thickness.
3. The calibration device for observing the relative displacement of the unloading deflection of the steel truss as claimed in claim 2, is characterized in that: the planes of the upper connecting plate (7) and the lower connecting plate (8) are parallel to the plane of the relative displacement reference ruler (3).
4. The calibration device for observing the relative displacement of the unloading deflection of the steel truss as claimed in claim 3, is characterized in that: the distance between the opposite surfaces of the upper connecting plate (7) and the lower connecting plate (8) is the same as the thickness of the relative displacement reference ruler (3), and the upper connecting plate and the lower connecting plate are arranged in parallel with the relative displacement reference ruler (3).
5. The calibration device for observing the relative displacement of the unloading deflection of the steel truss as claimed in claim 4, is characterized in that: the distance between the gear plate (9) and the relative displacement reference ruler (3) is adapted to the width of the displacement graduated scale (2).
6. The calibration device for observing the relative displacement of the unloading deflection of the steel truss as claimed in claim 1, is characterized in that: be equipped with the interval on both sides, the steel shotcrete (1) of displacement scale (2) and be equipped with displacement scale locating part, displacement scale locating part is including scale limiting plate (4) of locating the both sides of displacement scale (2), both sides scale limiting plate (4) interval suits with displacement scale (2) width, two between scale limiting plate (4), displacement scale (2) outside still is equipped with connecting plate (6).
7. The calibration device for observing the relative displacement of the unloading deflection of the steel truss as claimed in claim 1, is characterized in that: an indication arrow is arranged on the displacement graduated scale (2), and a graduation mark is arranged on the relative displacement reference scale (3).
8. The calibration device for steel truss unloading deflection observation relative displacement according to any one of claims 1-7, wherein: the bottom of the relative displacement reference ruler (3) is 1.4-1.6 m away from the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022927406.8U CN212482847U (en) | 2020-12-09 | 2020-12-09 | Scale device for observing relative displacement of steel truss unloading deflection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022927406.8U CN212482847U (en) | 2020-12-09 | 2020-12-09 | Scale device for observing relative displacement of steel truss unloading deflection |
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| Publication Number | Publication Date |
|---|---|
| CN212482847U true CN212482847U (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022927406.8U Active CN212482847U (en) | 2020-12-09 | 2020-12-09 | Scale device for observing relative displacement of steel truss unloading deflection |
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| Country | Link |
|---|---|
| CN (1) | CN212482847U (en) |
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- 2020-12-09 CN CN202022927406.8U patent/CN212482847U/en active Active
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