CN216593237U - Deformation measuring device for metal structure of hoisting machine - Google Patents
Deformation measuring device for metal structure of hoisting machine Download PDFInfo
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- CN216593237U CN216593237U CN202122601988.5U CN202122601988U CN216593237U CN 216593237 U CN216593237 U CN 216593237U CN 202122601988 U CN202122601988 U CN 202122601988U CN 216593237 U CN216593237 U CN 216593237U
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- distance measuring
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- deformation
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Abstract
The utility model relates to a device for measuring the deformation of a metal structure of a hoisting machine, which comprises a support frame, a distance measuring module (1) and a rotary driving module, the distance measuring module (1) is provided with two distance measuring sensors which are respectively a first distance measuring sensor (11) and a second distance measuring sensor (12), the included angle between the distance measuring directions of the two distance measuring sensors is 90 degrees, the first distance measuring sensor (11) is provided with an inclination angle sensor used for measuring the inclination angle between the distance measuring sensor and the plumb line, distance measurement module (1) install on the support frame through the rotation driving module, the support frame be used for with distance measurement module (1) level erect in the metal structure (4) surface top position that awaits measuring, range sensor, tilt sensor and rotation driving module all be connected to the controller. Compared with the prior art, the utility model has the advantages of high measurement precision, high measurement speed and the like.
Description
Technical Field
The utility model relates to a hoisting machinery measuring device, in particular to a hoisting machinery metal structure deformation measuring device.
Background
The main beam of hoisting machinery and the like mostly adopts a box-shaped metal structure, and the deformation of the main beam needs to be measured in order to obtain the health condition of the hoisting machinery structure. In the existing method, manual segmentation marking is adopted, and then measurement is carried out segment by segment. When the measuring object is large and the measuring point is not easy to reach, the measuring efficiency is low and the precision is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a device for measuring the deformation of a metal structure of a hoisting machine.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a lifting machinery metal structure deformation measuring device, the device includes support frame, distance measurement module, rotation driving module, distance measurement module on install two distance measuring sensor, be first distance measuring sensor and second distance measuring sensor respectively, two distance measuring sensor's range finding angle between the direction be 90, first distance measuring sensor on be equipped with and be used for measuring inclination's between this distance measuring sensor and the plumb line inclination sensor, distance measurement module install on the support frame through rotation driving module, the support frame be used for with distance measurement module level frame establish at the metal structure surface top position that awaits measuring, distance measuring sensor, inclination sensor and rotation driving module all be connected to the controller.
Preferably, the distance measuring sensor comprises a laser distance measuring sensor.
Preferably, the rotation driving module comprises a rotating rod and a motor, the rotating rod is horizontally arranged on the support frame through a bearing, a rotating shaft of the motor is connected with the rotating rod, the distance measuring module is fixed on the rotating rod, and the motor is connected with the controller.
Preferably, the motor comprises a servo motor.
Preferably, the support frame include top support plate, lateral part support and adjustable landing leg, the lateral part support set up two, fix respectively and form frame structure in top support plate below both sides, adjustable landing leg install and be used for the adjustment in lateral part support bottom the whole levelness of support frame, the dwang rotate and install between two lateral part supports, the dwang with the top support plate parallel.
Preferably, the adjustable legs comprise magnetic legs and adjustable bolts, and the magnetic legs are mounted at the bottom of the side support through the adjustable bolts.
Preferably, the top support plate is provided with a level for measuring levelness.
Preferably, the number of the adjustable legs is three, two of the adjustable legs are arranged below one side support, the other adjustable leg is arranged below the other side support, and the three adjustable legs form an isosceles triangle distribution form.
Preferably, the controller comprises a microprocessor having digital processing capabilities.
Preferably, the distance measuring sensor and the inclination angle sensor are connected with the controller through a wireless communication module.
Compared with the prior art, the utility model has the following advantages:
(1) the utility model adopts the distance measuring sensor to measure the distances at both sides of the metal structure, simultaneously measures the inclination angle of the distance measuring sensor, and quickly determines the deformation condition of the surface of the metal structure by converting the position information of the measuring point on the surface of the metal structure (including the horizontal distance and the vertical distance between the measuring point and the central point of the distance sensor), thereby having high measuring precision and high speed;
(2) the utility model adopts a double-laser ranging mode to measure the distance, thereby ensuring the measurement precision.
Drawings
FIG. 1 is a front view of a device for measuring the deformation of a metal structure of a hoisting machine according to the present invention;
FIG. 2 is a side view of a device for measuring the deformation of a metal structure of a hoisting machine according to the present invention;
fig. 3 is a measuring schematic diagram of a hoisting machinery metal structure deformation measuring device of the present invention.
In the figure, 1 is a distance measuring module, 11 is a first distance measuring sensor, 12 is a second distance measuring sensor, 21 is a rotating rod, 22 is a motor, 31 is a top support plate, 32 is a side support, 33 is an adjustable supporting leg, and 4 is a metal structure to be measured.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments. Note that the following description of the embodiments is merely a substantial example, and the present invention is not intended to be limited to the application or the use thereof, and is not limited to the following embodiments.
Examples
As shown in fig. 1 and fig. 2, this embodiment provides a hoisting machinery metal structure deformation measuring device, which includes a supporting frame, a distance measuring module 1, and a rotation driving module, wherein two distance measuring sensors, namely a first distance measuring sensor 11 and a second distance measuring sensor 12, are installed on the distance measuring module 1, an included angle between the distance measuring directions of the two distance measuring sensors is 90 °, an inclination angle sensor (the inclination angle sensor is integrated on the first distance measuring sensor 11, and the specific position of the inclination angle sensor is not shown) for measuring an inclination angle between the distance measuring sensor and a plumb line is installed on the first distance measuring sensor 11, the distance measuring module 1 is installed on the supporting frame through the rotation driving module, the supporting frame is used for horizontally erecting the distance measuring module 1 above the surface of a metal structure 4 to be measured, and the distance measuring sensors, the inclination angle sensor and the rotation driving module are all connected to a controller, the controller comprises a microprocessor with digital processing capability, and the distance measuring sensor and the inclination angle sensor are connected with the controller through a wireless communication module. .
Wherein the ranging sensor comprises a laser ranging sensor.
The rotation driving module comprises a rotating rod 21 and a motor 22, the rotating rod 21 is horizontally installed on the supporting frame through a bearing, the rotating rod 21 is connected with a rotating shaft of the motor 22, the distance measuring module 1 is fixed on the rotating rod 21, the motor 22 is connected with a controller, and the motor 22 adopts a servo motor.
The support frame includes top support plate 31, lateral part support 32 and adjustable landing leg 33, and lateral part support 32 sets up two, fixes respectively and forms frame structure in top support plate 31 below both sides, and adjustable landing leg 33 is installed and is used for adjusting the whole levelness of support frame in lateral part support 32 bottom, and dwang 21 rotates and installs between two lateral part supports 32, and dwang 21 is parallel with top support plate 31.
The adjustable legs 33 include magnetic legs and adjustable bolts by which the magnetic legs are mounted at the bottom of the side brackets 32. The top support plate 31 is provided with a level for measuring levelness. Adjustable landing leg 33 sets up threely, and wherein two adjustable landing legs 33 are installed in a lateral part support 32 below, and another adjustable landing leg 33 is installed in another lateral part support 32 below, and three adjustable landing leg 33 forms isosceles triangle distribution form, and magnetism landing leg accessible magnetism adsorbs on the metal construction 4 surface that awaits measuring, then adjusts adjustable bolt height and adjusts the height that adjustable landing leg 33 made whole device be in horizontal position (and guarantee dwang 21 level), and this leveling process can carry out quick leveling through the spirit level on top support plate 31. The provision of three adjustable legs 33 provides a triangular support pattern which ensures the stability of the device.
The controller is used for generating a servo drive control signal, sending the servo drive control signal to the servo motor to control the distance measuring module 1 to rotate, receiving distance data sent by the distance measuring module 1 and angle data sent by the inclination angle sensor in the measuring process, storing the data, and analyzing and processing the data to obtain deformation information.
The concrete process of adopting the deformation measuring device to carry out the deformation measurement of the metal structure of the hoisting machinery comprises the following steps:
fixing the position of the support frame, and adjusting the initial position of the distance measuring module 1, so that the distance measuring direction of the first distance measuring sensor 11 is vertically downward along the plumb line direction, and the distance measuring direction of the second distance measuring sensor 12 is the horizontal direction;
the controller sends a control signal to control the rotation driving module to move, the rotation driving module drives the distance measuring module 1 to rotate until the rotation driving module rotates by 90 degrees, and the distance measuring module 1 receives distance measuring data of the first distance measuring sensor 11 and the second distance measuring sensor 12 and inclination angle data of the inclination angle sensor in real time in the rotating process;
the controller acquires the position information of the surface measuring point of the metal structure 4 to be measured according to the acquired distance measuring data and the acquired inclination angle data, wherein the position information comprises the horizontal distance and the vertical distance between the measuring point and the central point of the distance measuring module 1, and the surface deformation condition of the metal structure is further determined.
The principle of deformation measurement is as follows:
as shown in fig. 3, the central point of the distance measuring module is denoted as O point, during the measuring process, the distance measuring data of the first distance measuring sensor 11 is denoted as L11, L12, L13, … …, L1n, the distance measuring data of the second distance measuring sensor 12 is denoted as L21, L22, L23, ·, L2n, and the tilt angle data of the tilt angle sensor is denoted as θ 1, θ 2, θ 3, … …, θ n;
calculating to obtain the position information of the measuring point Ai corresponding to the first distance measuring sensor 11 and the measuring point Bi corresponding to the second distance measuring sensor 12: d1i ═ L1i · sin θ i, H1i ═ L1i · cos θ i, D2i ═ L2i · cos θ i, H2i ═ L2i · sin θ i, D1i is the horizontal distance between the measurement point Ai and the center point of the distance measurement module, H1i is the vertical distance between the measurement point Ai and the center point of the distance measurement module, D2i is the horizontal distance between the measurement point Bi and the center point of the distance measurement module, H2i is the vertical distance between the measurement point Bi and the center point of the distance measurement module, i ═ 1, 2, … …, n;
determining the measurement point where deformation occurs and the corresponding position based on H1i, H2i, D1i, and D2i, if there is no deformation on the surface of the metal structure 4 to be measured, H1i and H2i should remain unchanged, and if the sizes of H1i and H2i change, the size of the threshold value may be compared with the size of the set threshold value, and the surface of the metal structure 4 to be measured is convex or concave, so as to obtain the horizontal distance information of the corresponding point, and locate the position where the deformation occurs.
The distance measuring method is characterized in that the distance measuring sensors are adopted to measure the distances of two sides of the metal structure, the inclination angles of the distance measuring sensors are measured simultaneously, and the deformation condition of the surface of the metal structure is determined rapidly by converting the position information (including the horizontal distance and the vertical distance between the measuring point and the central point of the distance sensor) of the measuring point on the surface of the metal structure, so that the measuring precision is high, and the speed is high.
The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122601988.5U CN216593237U (en) | 2021-10-27 | 2021-10-27 | Deformation measuring device for metal structure of hoisting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122601988.5U CN216593237U (en) | 2021-10-27 | 2021-10-27 | Deformation measuring device for metal structure of hoisting machine |
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| Publication Number | Publication Date |
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| CN216593237U true CN216593237U (en) | 2022-05-24 |
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| CN202122601988.5U Expired - Fee Related CN216593237U (en) | 2021-10-27 | 2021-10-27 | Deformation measuring device for metal structure of hoisting machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865501A (en) * | 2021-10-27 | 2021-12-31 | 上海市特种设备监督检验技术研究院 | Device and method for measuring deformation of metal structure of hoisting machinery |
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2021
- 2021-10-27 CN CN202122601988.5U patent/CN216593237U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865501A (en) * | 2021-10-27 | 2021-12-31 | 上海市特种设备监督检验技术研究院 | Device and method for measuring deformation of metal structure of hoisting machinery |
| CN113865501B (en) * | 2021-10-27 | 2024-10-29 | 上海市特种设备监督检验技术研究院 | Device and method for measuring deformation of metal structure of hoisting machine |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220524 |