CN217424306U - Measuring device for dynamic deflection of steel crane beam - Google Patents
Measuring device for dynamic deflection of steel crane beam Download PDFInfo
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- CN217424306U CN217424306U CN202220899132.2U CN202220899132U CN217424306U CN 217424306 U CN217424306 U CN 217424306U CN 202220899132 U CN202220899132 U CN 202220899132U CN 217424306 U CN217424306 U CN 217424306U
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- range finder
- crane beam
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- steel crane
- laser reflection
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Abstract
The utility model discloses a measuring device for dynamic deflection of a steel crane beam, which comprises a laser reflection assembly and a data acquisition assembly, wherein the laser reflection assembly comprises an installation block and a laser reflection target plate arranged on the side surface of the installation block, and the laser reflection assembly is arranged on the middle bottom surface of a steel crane beam span; the data acquisition subassembly includes mounting bracket, laser range finder and horizontal bubble, and the factory building steel column is located to the mounting bracket, and the mounting bracket is located and just to the laser reflection target plate of laser reflection subassembly to the laser range finder, and the levelness of laser range finder and detection laser range finder is located to the horizontal bubble. The device overcomes the defects of the traditional deflection measurement, conveniently realizes the detection of the dynamic deflection of the steel crane beam under the load action, improves the detection efficiency and realizes the monitoring of the dynamic deflection of the steel crane beam.
Description
Technical Field
The utility model relates to an equipment detects technical field, especially relates to a measuring device that is used for steel crane roof beam dynamic deflection.
Background
The factory building structural beam, crane beam and the like in the industries of metallurgy, shipbuilding and the like often generate deflection and other deformation under the load action, especially the excessive deflection of the steel crane beam easily generates structural deformation and generates additional stress to the steel structure, which is not beneficial to the normal bearing of the structure, and if the driving sliding, rail gnawing and the like are caused, the normal and safe operation of the driving is seriously influenced.
In order to timely and accurately master the deflection deformation condition of the steel crane beam in the running process of a crane in a factory building, the measurement of the deflection of the steel crane beam is one of important detection contents in structure detection and identification and industrial building structure state management. In the process of measuring the dynamic deflection deformation of the steel crane beam, due to the unfavorable conditions of a plurality of measurements such as narrow space of a field operation area, dark and weak light, large vibration of part of equipment areas and the like in a factory building, the conventional conditions of measuring the beam deflection by erecting measuring instruments such as a level gauge, a total station and the like cannot be met, and when the deflection deformation of the beam is measured by adopting the instruments such as the level gauge and the like, the measurement efficiency is lower, the measurement technical requirement is higher, and the measurement cost is higher. Therefore, a device for measuring the dynamic deflection of the steel crane beam by using horizontal laser is developed by self in combination with the actual situation of a production field.
Disclosure of Invention
The utility model aims to solve the technical problem that a measuring device for steel crane roof beam dynamic deflection is provided, traditional deflection measurement's defect is overcome to this device, conveniently realizes the detection of dynamic deflection under the steel crane roof beam loading effect, improves detection efficiency, realizes the control of steel crane roof beam dynamic deflection.
In order to solve the technical problem, the device for measuring the dynamic deflection of the steel crane beam comprises a laser reflection assembly and a data acquisition assembly, wherein the laser reflection assembly comprises an installation block and a laser reflection target plate arranged on the side surface of the installation block, and the laser reflection assembly is arranged on the middle bottom surface of the steel crane beam span; the data acquisition assembly comprises an installation frame, a laser range finder and a horizontal bubble, the installation frame is arranged on a steel column of the factory building, the laser range finder is arranged on the installation frame and is right opposite to a laser reflection target plate of the laser reflection assembly, and the horizontal bubble is arranged on the laser range finder and detects the levelness of the laser range finder.
Furthermore, the shape of the mounting block is an isosceles right triangle, the laser reflection target plate is adhered to a right-angle surface on one side of the mounting block, magnets are arranged at four corners of the bottom surface of the mounting block, and the mounting block is arranged on the middle bottom surface of the steel crane beam span through the magnets.
Further, the laser range finder is arranged on the mounting frame through a ball head support.
Furthermore, the mounting frame is connected with the workshop steel columns through magnets arranged at four corners of a back plate of the mounting frame.
Further, this device still includes communication module and host computer, communication module locates the mounting bracket, the laser range finder passes through communication module and host computer communication are connected.
Further, the communication module is a ZigBee or LoRa wireless communication module with low power consumption.
The technical scheme is adopted in the device for measuring the dynamic deflection of the steel crane beam, namely the device comprises a laser reflection assembly and a data acquisition assembly, wherein the laser reflection assembly comprises an installation block and a laser reflection target plate arranged on the side surface of the installation block, and the laser reflection assembly is arranged on the middle bottom surface of the steel crane beam span; the data acquisition subassembly includes mounting bracket, laser range finder and horizontal bubble, and the factory building steel column is located to the mounting bracket, and the mounting bracket is located and just to the laser reflection target plate of laser reflection subassembly to the laser range finder, and the levelness of laser range finder and detection laser range finder is located to the horizontal bubble. The device overcomes the defects of the traditional deflection measurement, conveniently realizes the detection of the dynamic deflection of the steel crane beam under the load action, improves the detection efficiency and realizes the monitoring of the dynamic deflection of the steel crane beam.
Drawings
The invention will be described in further detail with reference to the following drawings and embodiments:
FIG. 1 is a schematic structural view of the dynamic deflection measuring device for the steel crane beam of the present invention;
FIG. 2 is a schematic view of the installation of the laser reflection assembly and the data acquisition assembly in the device;
FIG. 3 is a schematic view of the present apparatus;
FIG. 4 is a schematic diagram of the dynamic deflection measurement of the steel crane beam of the device.
Detailed Description
Embodiment as shown in fig. 1 and fig. 2, the measuring device for dynamic deflection of steel crane beam of the present invention comprises a laser reflection assembly 1 and a data acquisition assembly 2, wherein the laser reflection assembly 1 comprises an installation block 11 and a laser reflection target plate 12 arranged on the side surface of the installation block 1, and the laser reflection assembly 1 is arranged on the mid-span bottom surface of the steel crane beam 3; data acquisition subassembly 2 includes mounting bracket 21, laser range finder 22 and horizontal bubble 23, factory building steel column 4 is located to mounting bracket 21, laser range finder 22 is located mounting bracket 21 just right laser reflection target plate 12 of laser reflection subassembly 1, horizontal bubble 23 is located laser range finder 22 detects laser range finder 22's levelness.
Preferably, the mounting block 11 is in the shape of an isosceles right triangle, the laser reflection target plate 12 is adhered to a right-angle surface on one side of the mounting block 11, magnets 13 are arranged at four corners of the bottom surface of the mounting block 11, and the mounting block 11 is arranged on the mid-span bottom surface of the steel crane beam 3 through the magnets 13.
Preferably, the laser range finder 22 is arranged on the mounting frame 21 through a ball support 24.
Preferably, the mounting frame 21 is connected with the steel columns 4 of the plant by magnets 25 arranged at four corners of a back plate of the mounting frame 2.
Preferably, the device further comprises a communication module 26 and an upper computer 27, wherein the communication module 26 is arranged on the mounting frame 21, and the laser range finder 22 is in communication connection with the upper computer 27 through the communication module 26. The communication module is used for transmitting control instructions and measurement data between the laser range finder and the upper computer.
Preferably, the communication module 26 is a ZigBee or LoRa wireless communication module with low power consumption.
The laser reflection component in the device is preferably made of light materials with certain strength, such as high-density foam boards and the like. The mounting block can be quickly mounted on the bottom surface of the steel crane beam by utilizing the magnetic force of the magnet; the laser reflection target plate is adhered to a right-angle surface on one side of the mounting block, and the mounting block is mounted on the bottom surface of the steel crane beam, so that a 45-degree included angle is formed between the laser reflection target plate and the horizontal plane. The laser range finder adopts the laser range finder who supports RS485 communication protocol and continuous measurement function, and the high accuracy level bubble is installed on laser range finder for detect laser range finder's levelness, laser range finder adopt the ball support installation to be convenient for to the adjustment of levelness, in order to satisfy the demand that detects.
As shown in figures 2 and 3, when the dynamic deflection of the steel crane beam is measured, the laser range finder is firstly adjusted to be kept horizontal, and the continuous measurement function of the laser range finder is started. And when the travelling crane 5 and other dynamic loads are not on the steel crane beam 3, obtaining a horizontal distance L1 measured value between the laser range finder and the laser reflection target plate.
And when the travelling crane 5 and other dynamic loads travel to the corresponding position of the steel crane beam 3, namely the steel crane beam 3 is downwarped, a measured value of the horizontal distance L2 between the laser range finder and the laser reflection target plate is obtained.
As shown in fig. 4, the horizontal measurement difference Δ S = L1-L2 between the laser distance meter and the laser reflection target plate can be obtained through the two steps of measurement, and the vertical deflection Δ h = Δ S of the steel crane beam can be known through the structural characteristics of the mounting block 11, so that the dynamic vertical deflection of the steel crane beam can be measured through measuring the horizontal distance. The measured data is transmitted to an upper computer through a communication module, and the monitoring of the dynamic deflection of the steel crane beam is realized.
Claims (6)
1. The utility model provides a measuring device that is used for steel crane roof beam dynamic deflection which characterized in that: the device comprises a laser reflection assembly and a data acquisition assembly, wherein the laser reflection assembly comprises an installation block and a laser reflection target plate arranged on the side surface of the installation block, and the laser reflection assembly is arranged on the middle bottom surface of a steel crane beam span; the data acquisition subassembly includes mounting bracket, laser range finder and spirit bubble, the factory building steel column is located to the mounting bracket, the laser range finder is located the mounting bracket just right the laser reflection target plate of laser reflection subassembly, the spirit bubble is located the laser range finder detects the levelness of laser range finder.
2. The device for measuring the dynamic deflection of the steel crane beam as claimed in claim 1, wherein: the laser reflection target plate is adhered to a right-angle surface on one side of the mounting block, magnets are arranged at four corners of the bottom surface of the mounting block, and the mounting block is arranged on the middle bottom surface of the steel crane beam span through the magnets.
3. The device for measuring the dynamic deflection of a steel crane beam as claimed in claim 1 or 2, wherein: the laser range finder is arranged on the mounting frame through a ball head support.
4. The device for measuring the dynamic deflection of the steel crane beam as claimed in claim 3, wherein: the mounting frame is connected with the workshop steel columns through magnets arranged at four corners of a back plate of the mounting frame.
5. The device for measuring the dynamic deflection of the steel crane beam as claimed in claim 3, wherein: the device further comprises a communication module and an upper computer, wherein the communication module is arranged on the mounting frame, and the laser range finder is in communication connection with the upper computer through the communication module.
6. The device for measuring the dynamic deflection of the steel crane beam as claimed in claim 5, wherein: the communication module is a ZigBee or LoRa wireless communication module with low power consumption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220899132.2U CN217424306U (en) | 2022-04-19 | 2022-04-19 | Measuring device for dynamic deflection of steel crane beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220899132.2U CN217424306U (en) | 2022-04-19 | 2022-04-19 | Measuring device for dynamic deflection of steel crane beam |
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| CN217424306U true CN217424306U (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220899132.2U Active CN217424306U (en) | 2022-04-19 | 2022-04-19 | Measuring device for dynamic deflection of steel crane beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115824539A (en) * | 2023-02-14 | 2023-03-21 | 滨州市特种设备检验研究院 | Large plate girder deflection measuring system |
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2022
- 2022-04-19 CN CN202220899132.2U patent/CN217424306U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115824539A (en) * | 2023-02-14 | 2023-03-21 | 滨州市特种设备检验研究院 | Large plate girder deflection measuring system |
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