CN219914391U - Measuring device for girder steel arching value - Google Patents
Measuring device for girder steel arching value Download PDFInfo
- Publication number
- CN219914391U CN219914391U CN202320342246.1U CN202320342246U CN219914391U CN 219914391 U CN219914391 U CN 219914391U CN 202320342246 U CN202320342246 U CN 202320342246U CN 219914391 U CN219914391 U CN 219914391U
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- China
- Prior art keywords
- height
- fastening screw
- ruler
- range finder
- laser range
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- 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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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 31
- 239000010959 steel Substances 0.000 title claims abstract description 31
- 238000010276 construction Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 13
- 238000005259 measurement Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
Abstract
The utility model relates to a measuring device for a steel beam arching value, which comprises a base (1), a height ruler (2), a first fastening screw (3), an adjusting bracket (4), a laser range finder (5), a pointer (6), a measuring ruler (7) and a second fastening screw (8); the height ruler (2) is embedded and fixed through a groove on the side surface of the base (1); the first fastening screw (3) is connected with the height gauge (2); the adjusting bracket 4 is embedded in the side surface of the height ruler (2) and is fixed; the pointer (6) is embedded into a groove at the tail part of the laser range finder (5); the laser range finder (5) and the measuring ruler (7) are fixed on the adjusting bracket (4) through a second fastening screw (8). The device can rapidly measure the arch camber of the end part of the cantilever steel beam to be measured at a safe position by a single person, saves construction cost, improves construction work efficiency and ensures the safety of operators.
Description
Technical Field
The utility model relates to the technical field of steel structure construction, in particular to a measuring device for a steel beam arching value.
Background
The steel structure has the unique advantages of light dead weight, high strength, good tensile and bending resistance, quick construction and the like, so that the steel structure is very ideal for overhanging in high floors and large spans. The overhanging of the steel structure gradually becomes a main means of modern architectural modeling. One end of the overhanging position of the steel structure is in a suspended state, so that the vertical displacement change condition of the steel structure is strictly observed in the construction process.
At present, in the steel structure overhanging construction process, a total station is mainly adopted to observe the arch lifting value of an overhanging steel beam. On one hand, the method is limited by the field, the instrument is easy to generate a sight blind area in the use process, and the erection position is required to be replaced for a plurality of times; on the other hand, special personnel are needed to assist in the observation process, and the overhanging position does not form a safe and stable structure system during the observation, so that the operation environment of the assisting personnel is dangerous.
Disclosure of Invention
The utility model aims to overcome the defects and provides a measuring device capable of rapidly measuring the arch camber of the cantilever end in the installation process of a large cantilever steel beam.
In order to achieve the above object, the present utility model is achieved by:
the utility model provides a measuring device of girder steel arch camber, includes base (1), height adjusting device and measuring device, and height adjusting device includes: the utility model provides a height chi (2), first fastening screw (3), adjusting bracket (4), measuring device includes: the laser range finder (5), the pointer (6), the measuring ruler (7) and the second fastening screw (8); wherein, the height ruler (2) is embedded and fixed through a groove on the side surface of the base (1); the first fastening screw (3) is connected with the height gauge (2) so that the height gauge (2) can be fastened and limited by the jacking after being adjusted to the required height; the adjusting bracket 4 is embedded in the side surface of the height rule (2) and is fixed, so that the heights of the height rule (2) and the adjusting bracket (4) are synchronously changed; the pointer (6) is embedded into a groove at the tail part of the laser range finder (5) and fixed, and the distance L2 between the end part of the pointer (6) and the center of the second fastening screw (8) is always 100mm; the laser range finder (5) and the measuring ruler (7) are fixed on the adjusting bracket (4) through the second fastening screw (8), so that the measuring ruler (7) is kept fixed, and the laser range finder (5) can rotate around the second fastening screw (8).
The using method of the measuring device is as follows:
step 1, placing the device at a butt joint position of a cantilever steel beam to be detected and a bracket;
step 2, adjusting a height ruler 2 (with an electronic digital display) to a proper height H1 according to the length of the cantilever beam;
step 3, tightening the first fastening screw 3 for fixing;
step 4, rotating a laser range finder 5 (an electronic display) to enable laser to be aligned with the center point of the end part of the cantilever steel beam to be detected, and determining a distance L1 between the laser range finder and the cantilever steel beam;
step 5, according to the pointing position of the pointer 6, determining the vertical height change H2 of the laser range finder 5 (an electronic display) after rotating for a certain angle through the reading of the measuring ruler 7;
step 7, calculating the height difference H3 between the center point position of the end part of the cantilever beam to be measured and the height H1 according to the similar triangle property, namely ；
And step 8, calculating the height difference H4 between the H1 height and the H3 height, namely H4 = H1-H3, and finally determining the arch forming value of the end part of the cantilever steel beam to be measured.
In the construction process of the cantilever steel beam of the existing steel structure, a total station is adopted for observing the arch lifting value of the cantilever end, and the method is greatly influenced by factors such as places, heights and the like; meanwhile, special personnel are required to assist in measurement, and a stable structural system is not formed temporarily due to the position of the cantilever beam to be measured in the measurement process, so that the operation environment of the auxiliary measuring personnel is dangerous. The device can rapidly measure the arch camber of the end part of the cantilever steel beam to be measured at a safe position by a single person, saves construction cost, improves construction work efficiency and ensures the safety of operators.
Drawings
Fig. 1 is a schematic structural diagram of the measuring device.
Fig. 2 is a schematic diagram of the use of the present measuring device.
Detailed Description
The utility model is further illustrated by the following specific examples.
Referring to fig. 1, a measuring device for camber of steel beam includes a base (1), a height adjusting device and a measuring device, the height adjusting device includes: the utility model provides a height chi (2), first fastening screw (3), adjusting bracket (4), measuring device includes: the laser range finder (5), the pointer (6), the measuring ruler (7) and the second fastening screw (8); wherein, the height ruler (2) is embedded and fixed through a groove on the side surface of the base (1); the first fastening screw (3) is connected with the height gauge (2) so that the height gauge (2) can be fastened and limited by the jacking after being adjusted to the required height; the adjusting bracket 4 is embedded in the side surface of the height rule (2) and is fixed, so that the heights of the height rule (2) and the adjusting bracket (4) are synchronously changed; the pointer (6) is embedded into a groove at the tail part of the laser range finder (5) and fixed, and the distance L2 between the end part of the pointer (6) and the center of the second fastening screw (8) is always 100mm; the laser range finder (5) and the measuring ruler (7) are fixed on the adjusting bracket (4) through the second fastening screw (8), so that the measuring ruler (7) is kept fixed, and the laser range finder (5) can rotate around the second fastening screw (8).
As shown in fig. 2, the method for using the measuring device is as follows:
step 1, placing the device at a butt joint position of a cantilever steel beam to be detected and a bracket;
step 2, adjusting a height ruler 2 (with an electronic digital display) to a proper height H1 according to the length of the cantilever beam;
step 3, tightening the first fastening screw 3 for fixing;
step 4, rotating a laser range finder 5 (an electronic display) to enable laser to be aligned with the center point of the end part of the cantilever steel beam to be detected, and determining a distance L1 between the laser range finder and the cantilever steel beam;
step 5, according to the pointing position of the pointer 6, determining the vertical height change H2 of the laser range finder 5 (an electronic display) after rotating for a certain angle through the reading of the measuring ruler 7;
step 7, calculating the height difference H3 between the center point position of the end part of the cantilever beam to be measured and the height H1 according to the similar triangle property, namely ；
And step 8, calculating the height difference H4 between the H1 height and the H3 height, namely H4 = H1-H3, and finally determining the arch forming value of the end part of the cantilever steel beam to be measured.
In the construction process of the cantilever steel beam of the existing steel structure, a total station is adopted for observing the arch lifting value of the cantilever end, and the method is greatly influenced by factors such as places, heights and the like; meanwhile, special personnel are required to assist in measurement, and a stable structural system is not formed temporarily due to the position of the cantilever beam to be measured in the measurement process, so that the operation environment of the auxiliary measuring personnel is dangerous. The device can rapidly measure the arch camber of the end part of the cantilever steel beam to be measured at a safe position by a single person, saves construction cost, improves construction work efficiency and ensures the safety of operators.
Claims (1)
1. A measuring device for girder steel arching value is characterized in that: including base (1), height-adjusting device and measuring device, height-adjusting device includes: the utility model provides a height chi (2), first fastening screw (3), adjusting bracket (4), measuring device includes: the laser range finder (5), the pointer (6), the measuring ruler (7) and the second fastening screw (8); wherein, the height ruler (2) is embedded and fixed through a groove on the side surface of the base (1); the first fastening screw (3) is connected with the height gauge (2) so that the height gauge (2) can be fastened and limited by the jacking after being adjusted to the required height; the adjusting bracket (4) is embedded in the side surface of the height ruler (2) and is fixed, so that the heights of the height ruler (2) and the adjusting bracket (4) are synchronously changed; the pointer (6) is embedded into a groove at the tail part of the laser range finder (5) and fixed, and the distance L2 between the end part of the pointer (6) and the center of the second fastening screw (8) is always 100mm; the laser range finder (5) and the measuring ruler (7) are fixed on the adjusting bracket (4) through the second fastening screw (8), so that the measuring ruler (7) is kept fixed, and the laser range finder (5) can rotate around the second fastening screw (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320342246.1U CN219914391U (en) | 2023-02-28 | 2023-02-28 | Measuring device for girder steel arching value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320342246.1U CN219914391U (en) | 2023-02-28 | 2023-02-28 | Measuring device for girder steel arching value |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219914391U true CN219914391U (en) | 2023-10-27 |
Family
ID=88428870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320342246.1U Active CN219914391U (en) | 2023-02-28 | 2023-02-28 | Measuring device for girder steel arching value |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219914391U (en) |
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2023
- 2023-02-28 CN CN202320342246.1U patent/CN219914391U/en active Active
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