Rhombic hanging basket front and rear support stress detection equipment and method

Abstract

The invention discloses a rhombic hanging basket front and rear support stress detection device and method, the rhombic hanging basket front and rear support stress detection device comprises a rhombic framework and a detection system, and the detection system comprises a first rotating disc, a second rotating disc, a third rotating disc and a fourth rotating disc which are rotatably installed in a first connecting block, a second connecting block, a third connecting block and a fourth connecting block respectively; a first laser ranging sensor is fixedly mounted on the side wall of the first turntable, a second laser ranging sensor is fixedly mounted on the side wall of the fourth turntable, and a first Bragg grating and a first ranging plate are fixedly mounted on the side wall of the second turntable; a second Bragg grating and a second distance measuring plate are fixedly mounted on the side wall of the third turntable; the first rotating disc and the fourth rotating disc are respectively provided with two light interference fringe collection assemblies, and the positions of the two light interference fringe collection assemblies can be adjusted. According to the invention, the problem that the pressure sensor is damaged due to the fact that the pressure sensor is mounted on the support and contact type detection is adopted in the prior art is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of force detection, and in particular to a device and method for detecting the force of front and rear supports of a diamond-shaped hanging basket. Background Art

[0002] In the field of bridge engineering, the diamond hanging basket is a key equipment for cantilever construction. The monitoring of the stress conditions of its front and rear supports plays a key role in ensuring construction safety and structural stability. The traditional support force detection method is mainly to install a pressure sensor on the support, connect it to the diamond hanging basket, and use a contact detection method to obtain the support force data.

[0003] However, this traditional detection method has exposed many problems in practical applications. Since the pressure sensor senses the force exerted on the support by direct contact, it will be subjected to forces from multiple directions under complex working conditions at the construction site. On the one hand, during the installation, movement and concrete pouring of the hanging basket, horizontal friction, impact force and torsional force caused by structural deformation will inevitably be generated. These multi-directional forces exceed the design tolerance range of the pressure sensor. Long-term effects will cause irreversible damage to the sensitive components and mechanical structures inside the sensor, seriously affecting the service life and reliability of the sensor, and frequently requiring the sensor to be repaired and replaced, increasing construction costs and time costs, and reducing construction efficiency.

[0004] On the other hand, the interference of multi-directional forces makes it difficult for the pressure sensor to accurately measure the actual force magnitude of the support in the vertical direction. Because these additional forces will be superimposed and coupled with the vertical forces, the signal output by the sensor becomes complex and unstable, and it is impossible to accurately separate and extract the vertical force information, resulting in large errors and uncertainties in the detection results. This inaccurate detection data cannot truly reflect the stress state of the support, which brings great trouble to construction personnel when evaluating the safety and stability of the hanging basket structure, making it difficult to make accurate judgments and decisions, thereby increasing the safety risks in the construction process, and may lead to serious engineering accidents, such as the collapse of the hanging basket, excessive structural deformation, etc., which pose a serious threat to the safety of personnel and the quality of the project.

[0005] To sum up, the traditional method of installing pressure sensors on the supports and using contact detection can no longer meet the requirements of accurate monitoring of the forces on the front and rear supports of the diamond hanging basket and long-term stable and reliable operation in modern bridge construction. There is an urgent need for a new support force detection equipment and method that can effectively solve the above problems to ensure the smooth progress of bridge construction and improve the quality of the project. Summary of the invention

[0006] In order to solve the problem that in the traditional method of installing a pressure sensor on a support and adopting contact detection, the pressure sensor is subjected to forces in multiple directions, which may cause damage to the sensor, the purpose of the present invention is to provide a force detection device and method for the front and rear supports of a diamond-shaped hanging basket.

[0007] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a diamond hanging basket front and rear support force detection device, including a diamond frame and a detection system, the diamond frame includes a first connecting block, a second connecting block, a third connecting block and a fourth connecting block, all of which are provided with cavities; the side wall between the first connecting block and the second connecting block is commonly fixedly connected with a lower horizontal square steel, the side wall between the third connecting block and the fourth connecting block is commonly fixedly connected with an upper horizontal square steel, the first connecting block and the third connecting block are commonly fixedly connected with a first oblique square steel, the second connecting block and the fourth connecting block are commonly fixedly connected with a second oblique square steel, and the second connecting block and the third connecting block are commonly fixedly connected with an intermediate supporting square steel;

[0008] The detection system comprises a first turntable, a second turntable, a third turntable and a fourth turntable which are rotatably mounted inside the first connection block, the second connection block, the third connection block and the fourth connection block respectively; a first laser ranging sensor is fixedly mounted on the side wall of the first turntable, a second laser ranging sensor is fixedly mounted on the side wall of the fourth turntable, a first Bragg grating and a first ranging plate are fixedly mounted on the side wall of the second turntable; a second Bragg grating and a second ranging plate are fixedly mounted on the side wall of the third turntable; two light interference fringe collection components with adjustable positions are respectively mounted on the first turntable and the fourth turntable;

[0009] The detection system also includes a controller for processing data; the controller is connected to the light interference fringe collection component for collecting interference fringe data.

[0010] Preferably, the bottom of the first connecting block is fixedly connected to the rear support, and the bottom of the second connecting block is fixedly connected to the front support; the top surface of the fourth connecting block is used to be fixedly connected to the front upper crossbeam of the diamond-shaped hanging basket.

[0011] Preferably, the side walls of the lower horizontal square steel respectively connected to the first connecting block and the second connecting block are respectively provided with through holes, and the two through holes are respectively located in the two ends of the lower horizontal square steel; the side walls of the upper horizontal square steel respectively connected to the third connecting block and the fourth connecting block are respectively provided with through holes, and the two through holes are respectively located in the two ends of the upper horizontal square steel; the two ends of the first oblique square steel are respectively fixedly installed on the inclined surfaces opened by the first connecting block and the third connecting block, and the inclined surfaces located in the two ends of the first oblique square steel are respectively provided with through holes; the two ends of the second oblique square steel are respectively fixedly installed on the inclined surfaces opened by the second connecting block and the fourth connecting block, and the inclined surfaces located in the two ends of the second oblique square steel are respectively provided with through holes; the third connecting block is located obliquely above the second connecting block, and the upper end of the middle supporting square steel is inclined toward the direction of the first connecting block.

[0012] Preferably, the center line of the lower horizontal square steel passes vertically through the axes of the first turntable and the second turntable; the center line of the upper horizontal square steel passes vertically through the axes of the third turntable and the fourth turntable; the center line of the first oblique square steel passes vertically through the axes of the first turntable and the third turntable; the center line of the second oblique square steel passes vertically through the axes of the second turntable and the fourth turntable; the center line of the middle supporting square steel passes vertically through the axes of the second turntable and the third turntable.

[0013] Preferably, when the first Bragg grating is aligned with the port of the lower horizontal steel, the first ranging plate is aligned with the port of the second oblique steel; when the second Bragg grating is aligned with the port of the first oblique steel, the second ranging plate is aligned with the port of the upper horizontal steel; when the first laser ranging sensor is measuring, the laser beam coincides with the center lines of the lower horizontal steel and the first oblique steel respectively; when the second laser ranging sensor is measuring, the laser beam coincides with the center lines of the upper horizontal steel and the second oblique steel respectively.

[0014] Preferably, the side walls of the first connecting block, the second connecting block, the third connecting block and the fourth connecting block are respectively fixedly mounted with the first motor, the second motor, the third motor and the fourth motor, and the output ends of the first motor, the second motor, the third motor and the fourth motor are respectively axially connected to the centers of the end faces of the first turntable, the second turntable, the third turntable and the fourth turntable.

[0015] Preferably, the two light interference fringe collection components include two electric push rods fixedly mounted on the first turntable and the fourth turntable respectively, the telescopic ends of the electric push rods are fixedly connected to a rectangular plate, and a spectrometer, a plane mirror and an array photoelectric detector are fixedly mounted on the rectangular plate.

[0016] A method for detecting the force of front and rear supports of a diamond-shaped hanging basket comprises the following steps:

[0017] Step 1: After the diamond hanging basket is installed, align the first laser ranging sensor and the first ranging plate with the two ends of the lower horizontal steel, and measure the distance from the first laser ranging sensor to the first ranging plate as L1;

[0018] Similarly, the distance from the first laser ranging sensor to the second ranging board is measured as L2, the distance from the second laser ranging sensor to the second ranging board is measured as L3, and the distance from the second laser ranging sensor to the first ranging board is measured as L4;

[0019] Step 2: Align the first laser distance sensor and the first Bragg grating to the two end ports of the lower horizontal steel respectively, and adjust the position of the light interference fringe collection component on the first turntable; the first laser distance sensor emits a laser beam, and the laser beam generates interference fringes under the synergistic effect of the light interference fringe collection component and the first Bragg grating, and the controller collects the initial interference fringe data at the lower horizontal steel; similarly, collect the initial interference fringe position data at the first oblique steel, the upper horizontal steel, and the second oblique steel;

[0020] Step 3: During the construction process, the fourth connecting block is subjected to a vertical downward load force; the controller collects interference fringe position data during construction at the lower horizontal steel, the first oblique steel, the upper horizontal steel, and the second oblique steel;

[0021] In the lower horizontal steel, the interference fringes move by ΔI is the change in light intensity, and I1 is the coefficient related to the contrast of interference fringes;

[0022] The tensile force on the lower horizontal steel is A is the cross-sectional area of ​​the square steel, E is the elastic modulus of the square steel material, and λ is the wavelength of the laser;

[0023] Similarly, the tension on the first inclined steel N2 is the number of interference fringes moving in the first oblique steel;

[0024] Tensile force on upper horizontal steel N3 is the number of interference fringes moving in the upper horizontal steel;

[0025] Tension of the second inclined steel N4 is the number of interference fringes moved in the second rhombus steel;

[0026] Step 4: The rear support under the first connecting block is subjected to a pulling force of F1 from the lower horizontal steel and a force of F2 from the first oblique steel. The rear support is then subjected to a downward pulling force of F in the vertical direction. 后支 , then F 后支 =F2sinα, α is the angle between the first oblique steel and the lower horizontal steel;

[0027] The front support at the bottom of the second connecting block is subjected to a thrust of F1 from the lower horizontal steel, a thrust of F5 from the middle supporting steel, and a pressure of F4 from the second oblique steel. The front support is subjected to a vertical downward pressure of F 前支 =cosγF5+cosβF4, γ is the angle of the middle supporting square steel relative to the vertical direction, β is the angle of the second oblique square steel relative to the vertical direction, where

[0028] Step 5: Step 3 to step 5, cycle; the controller controls F 后支、F 前支 A judgment is made, and when it is detected that the force data exceeds the preset safety threshold, an alarm signal is issued.

[0029] Compared with the prior art, the present invention has the following beneficial effects:

[0030] 1. The present invention adopts a diamond-shaped frame and an ingenious layout of the components of the detection system, so that the detection in each steel can be quickly switched, which greatly improves the detection efficiency and flexibility.

[0031] 2. The present invention, by adopting a variety of high-precision detection elements such as laser ranging sensors, Bragg gratings and light interference fringe collection components, and combining precise structural design and measurement principles, can achieve accurate measurement of the stress conditions of the front and rear supports of the diamond hanging basket.

[0032] 3. The present invention can collect and analyze the force data of the support in real time, realize dynamic monitoring of the force conditions, and the controller periodically obtains the data of each sensor, and processes and judges it according to a preset algorithm to timely grasp the changes in the force of the support.

[0033] 4. The present invention can not only measure the vertical force exerted on the support, but also, through the synergy and reasonable layout of various components, comprehensively consider the stress conditions of different square steels in the diamond hanging basket structure, and indirectly calculate the force components of the support in different directions. This multifunctional detection capability can more comprehensively and accurately reflect the actual stress state of the support. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0035] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0036] Figure 2 It is a structural schematic diagram of the light interference fringe collection component of the present invention;

[0037] Figure 3 It is a schematic diagram of various angles of the present invention.

[0038] In the figure: 101, first connecting block; 102, second connecting block; 103, third connecting block; 104, fourth connecting block; 105, lower horizontal square steel; 106, upper horizontal square steel; 107, first oblique square steel; 108, second oblique square steel; 109, middle supporting square steel; 201, first turntable; 202, second turntable; 203, third turntable; 204, fourth turntable; 205, first laser ranging sensor; 206, second laser ranging sensor; 207, first Bragg grating; 208, first ranging plate; 209, second Bragg grating; 210, second ranging plate; 211, light interference fringe collection component; 2111, electric push rod; 2112, rectangular plate; 2113, spectroscope; 2114, plane mirror; 2115, array photoelectric detector. DETAILED DESCRIPTION

[0039] The following is a description of the implementation of the present invention by means of specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0040] See also Figures 1 to 3 . It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the effects and purposes that can be achieved by the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present invention. Changes or adjustments in their relative relationships should also be regarded as the scope of the implementation of the present invention without substantially changing the technical content.

[0041] The present invention provides a technical solution: a force detection device for front and rear supports of a diamond hanging basket, which mainly comprises a diamond frame and a detection system.

[0042] The diamond frame is composed of a first connection block 101, a second connection block 102, a third connection block 103 and a fourth connection block 104, all of which are provided with cavities. The side wall between the first connection block 101 and the second connection block 102 is fixedly connected to a lower horizontal steel 105 by welding or the like. The side wall connecting the lower horizontal steel 105 with the first connection block 101 and the second connection block 102 is provided with through holes, and the two through holes are respectively located in the two ends of the lower horizontal steel 105. The side wall between the third connection block 103 and the fourth connection block 104 is fixedly connected to an upper horizontal steel 106. The side wall connecting the upper horizontal steel 106 with the third connection block 103 and the fourth connection block 104 is also provided with through holes, and the two through holes are respectively located in the two ends of the upper horizontal steel 106. A first oblique steel 107 is fixedly connected between the first connection block 101 and the third connection block 103. The two ends of the first oblique steel 107 are fixedly installed on the inclined surfaces opened by the first connection block 101 and the third connection block 103, and the inclined surfaces located at the two ends of the first oblique steel 107 are respectively provided with through holes. A second oblique steel 108 is fixedly connected between the second connection block 102 and the fourth connection block 104. The two ends of the second oblique steel 108 are fixedly installed on the inclined surfaces opened by the second connection block 102 and the fourth connection block 104, and the inclined surfaces located at the two ends of the second oblique steel 108 are respectively provided with through holes. In addition, an intermediate support square steel 109 is fixedly connected between the second connection block 102 and the third connection block 103. The upper end of the intermediate support square steel 109 is inclined toward the direction of the first connection block 101, and its center line vertically passes through the axis of the second turntable 202 and the third turntable 203, playing an auxiliary support and force distribution role in the entire frame.

[0043] In actual installation, the bottom of the first connection block 101 is fixedly connected to the rear support by bolts and other connectors to ensure that the two are tightly combined and can accurately transmit the force on the rear support. The bottom of the second connection block 102 is also firmly fixedly connected to the front support to ensure that the force on the front support can be effectively transmitted to the frame. The top surface of the fourth connection block 104 is used to be fixedly connected to the front upper beam of the diamond-shaped hanging basket.

[0044] The detection system includes a first turntable 201, a second turntable 202, a third turntable 203 and a fourth turntable 204 which are rotatably mounted inside the first connection block 101, the second connection block 102, the third connection block 103 and the fourth connection block 104. To realize the rotation of the turntable, a first motor, a second motor, a third motor and a fourth motor are fixedly mounted on the side walls of the first connection block 101, the second connection block 102, the third connection block 103 and the fourth connection block 104, respectively. The output ends of the first motor, the second motor, the third motor and the fourth motor are axially connected to the center of the end faces of the first turntable 201, the second turntable 202, the third turntable 203 and the fourth turntable 204, respectively. By driving the motor, the angle of the turntable can be flexibly adjusted to meet the requirements of different measurement positions and angles.

[0045] The first laser distance measuring sensor 205 is fixedly installed on the side wall of the first rotating disk 201. The laser beam of the first laser distance measuring sensor 205 coincides with the center line of the lower horizontal steel 105 and the first oblique steel 107 during measurement, respectively, to ensure the accuracy and reliability of the measurement. The second laser distance measuring sensor 206 is fixedly installed on the side wall of the fourth rotating disk 204. The laser beam of the second laser distance measuring sensor 206 coincides with the center line of the upper horizontal steel 106 and the second oblique steel 108 during measurement, respectively, to accurately measure the deformation of the relevant square steels, and then to infer the stress conditions. The first Bragg grating 207 and the first distance measuring plate 208 are fixedly installed on the side wall of the second rotating disk 202. The first Bragg grating 207 is aligned with the port of the lower horizontal steel 105, while the first distance measuring plate 208 is aligned with the port of the second oblique steel 108, so as to cooperate with the first laser distance measuring sensor 205 for data collection and analysis. The second Bragg grating 209 and the second ranging plate 210 are fixedly mounted on the side wall of the third turntable 203. When the second Bragg grating 209 is aligned with the end of the first oblique steel 107, the second ranging plate 210 is aligned with the end of the upper horizontal steel 106, and cooperates with other components to complete the detection of the forces on each key position.

[0046] Two light interference fringe collection components 211 are respectively installed on the first turntable 201 and the fourth turntable 204. Each light interference fringe collection component 211 includes two electric push rods 2111 respectively fixedly installed on the turntables. The telescopic ends of the electric push rods 2111 are fixedly connected to rectangular plates 2112. The rectangular plates 2112 are fixedly installed with beam splitters 2113, plane mirrors 2114 and array photoelectric detectors 2115. The positions of the light interference fringe collection components 211 can be adjusted by telescoping the electric push rods 2111.

[0047] The detection system also includes a controller, which is connected to the array photoelectric detector 2115 and is used to collect interference fringe data and process and analyze the data in the entire detection process. At the same time, the controller is also connected to various motors, laser ranging sensors and other components to achieve automatic control and data collection management of the entire detection system.

[0048] A method for detecting the force of front and rear supports of a diamond-shaped hanging basket comprises the following steps:

[0049] Step 1: After the diamond hanging basket is installed, the first laser ranging sensor 205 and the first ranging plate 208 are respectively aligned with the two ends of the lower horizontal steel 105, and the distance from the first laser ranging sensor 205 to the first ranging plate 208 is measured as L1;

[0050] Similarly, the distance from the first laser distance measuring sensor 205 to the second distance measuring plate 210 is measured as L2, the distance from the second laser distance measuring sensor 206 to the second distance measuring plate 210 is measured as L3, and the distance from the second laser distance measuring sensor 206 to the first distance measuring plate 208 is measured as L4; these initial distance data will serve as the basic reference value for subsequent force analysis and be used to compare the deformation of the square steel during the construction process;

[0051] Step 2: The first motor on the side of the first connecting block 101 drives the first turntable 201 to rotate, and the second motor on the side of the second connecting block 102 drives the second turntable 202 to rotate, respectively aligning the first laser ranging sensor 205 and the first Bragg grating 207 with the two end ports of the lower horizontal steel 105, and driving the rectangular plate 2112 to move by the electric push rod 2111 to move the spectroscope 2113 to the position where the laser beam passes; the first laser ranging sensor 205 emits a laser beam, and a part of the laser beam passes through the spectroscope 2113 and reaches the first Bragg grating 207, and the first Bragg grating 207 moves along the original path. The beam is reflected back to the beam splitter 2113 along the original path, and then the beam splitter reflects the first Bragg grating 207 toward the direction of the array photoelectric detector 2115. When the laser beam emitted by the first laser ranging sensor 205 passes through the beam splitter 2113, another part of the beam is reflected to the plane mirror 2114 through the beam splitter 2113. The plane mirror 2114 then reflects the beam along the original path to the beam splitter 2113 and passes through the beam splitter 2113 to interfere with the light reflected by the first Bragg grating 207, and the interference data is monitored by the array photoelectric detector 2115; the array photoelectric detector 2115 feeds back the data to the controller;

[0052] That is to say, the laser beam generates interference fringes under the synergistic effect of the light interference fringes collection component 211 and the first Bragg grating 207, and the controller collects the initial interference fringes data at the lower horizontal steel 105; similarly, the initial interference fringes position data at the first oblique steel 107, the upper horizontal steel 106 and the second oblique steel 108 are collected;

[0053] Step 3: During the construction process, the fourth connecting block 104 is subjected to a vertical downward load force; the controller collects interference fringe position data during construction at the lower horizontal steel 105, the first oblique steel 107, the upper horizontal steel 106 and the second oblique steel 108;

[0054] In the lower horizontal steel 105, the interference fringe movement amount ΔI is the change in light intensity, and I1 is the coefficient related to the contrast of interference fringes;

[0055] The tensile force on the lower horizontal steel 105 is A is the cross-sectional area of ​​the square steel, E is the elastic modulus of the square steel material, and λ is the wavelength of the laser;

[0056] Similarly, the tension on the first oblique steel 107 is N2 is the number of interference fringes moving in the first oblique steel 107;

[0057] Tensile force on upper horizontal steel 106 N3 is the number of interference fringes moving in the upper horizontal steel 106;

[0058] The tension on the second oblique steel 108 N4 is the number of interference fringes moved in the second rhombus steel 108;

[0059] Step 4: The rear support below the first connecting block 101 is subjected to a pulling force of F1 from the lower horizontal steel 105 and a force of F2 from the first oblique steel 107. The rear support is then subjected to a downward pulling force of F in the vertical direction. 后支 , then F 后支 =F2sinα, α is the angle between the first oblique steel 107 and the lower horizontal steel 105;

[0060] The front support at the bottom of the second connecting block 102 is subjected to a thrust of F1 from the lower horizontal steel 105, a thrust of F5 from the middle supporting square steel 109, and a pressure of F4 from the second oblique steel 108. The front support is subjected to a vertical downward pressure of F 前支 =cosγF5+cosβF4, γ is the angle of the middle supporting square steel 109 relative to the vertical direction, β is the angle of the second oblique square steel 108 relative to the vertical direction, where

[0061] Step 5: Step 3 to step 5, cycle; the controller controls F 后支 、F 前支 A judgment is made, and when it is detected that the force data exceeds the preset safety threshold, an alarm signal is issued.

[0062] The detection system needs to be coordinated with the diamond structure layout to achieve accurate measurement through the above method, and the two complement each other.

[0063] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A diamond-shaped hanging basket front and rear support force detection device, including a diamond-shaped frame and a detection system, characterized in that: The diamond-shaped frame comprises a first connection block (101), a second connection block (102), a third connection block (103) and a fourth connection block (104), all of which are provided with cavities; the side walls between the first connection block (101) and the second connection block (102) are fixedly connected with a lower horizontal steel (105); the side walls between the third connection block (103) and the fourth connection block (104) are fixedly connected with an upper horizontal steel (106); the first connection block (101) and the third connection block (103) are fixedly connected with a first oblique steel (107); the second connection block (102) and the fourth connection block (104) are fixedly connected with a second oblique steel (108); and the second connection block (102) and the third connection block (103) are fixedly connected with an intermediate supporting square steel (109); The detection system comprises a first rotating disk (201), a second rotating disk (202), a third rotating disk (203) and a fourth rotating disk (204) which are rotatably mounted inside a first connecting block (101), a second connecting block (102), a third connecting block (103) and a fourth connecting block (104) respectively; a first laser distance measuring sensor (205) is fixedly mounted on the side wall of the first rotating disk (201), a second laser distance measuring sensor (206) is fixedly mounted on the side wall of the fourth rotating disk (204), a first Bragg grating (207) and a first distance measuring plate (208) are fixedly mounted on the side wall of the second rotating disk (202); a second Bragg grating (209) and a second distance measuring plate (210) are fixedly mounted on the side wall of the third rotating disk (203); two light interference fringe collection components (211) whose positions can be adjusted are respectively mounted on the first rotating disk (201) and the fourth rotating disk (204); The detection system also includes a controller for processing data; the controller is connected to the light interference fringe collection component (211) and is used to collect interference fringe data.

2. The diamond-shaped hanging basket front and rear support force detection device according to claim 1, characterized in that: The bottom of the first connecting block (101) is fixedly connected to the rear support, and the bottom of the second connecting block (102) is fixedly connected to the front support; the top surface of the fourth connecting block (104) is used to be fixedly connected to the front upper crossbeam of the diamond-shaped hanging basket.

3. The diamond-shaped hanging basket front and rear support force detection device according to claim 1, characterized in that: The side walls of the lower horizontal steel (105) connected to the first connecting block (101) and the second connecting block (102) are respectively provided with through holes, and the two through holes are respectively located in the two ends of the lower horizontal steel (105); the side walls of the upper horizontal steel (106) connected to the third connecting block (103) and the fourth connecting block (104) are respectively provided with through holes, and the two through holes are respectively located in the two ends of the upper horizontal steel (106); the two ends of the first oblique steel (107) are respectively fixedly installed on the first connecting block (101) and the third connecting block (104). 03), and the inclined surfaces at the two ends of the first oblique square steel (107) are respectively provided with through holes; the two ends of the second oblique square steel (108) are respectively fixedly installed on the inclined surfaces opened by the second connecting block (102) and the fourth connecting block (104), and the inclined surfaces at the two ends of the second oblique square steel (108) are respectively provided with through holes; the third connecting block (103) is located obliquely above the second connecting block (102), and the upper end of the intermediate supporting square steel (109) is inclined toward the direction of the first connecting block (101).

4. The diamond-shaped hanging basket front and rear support force detection device according to claim 1, characterized in that: The center line of the lower horizontal steel (105) vertically passes through the axes of the first turntable (201) and the second turntable (202); the center line of the upper horizontal steel (106) vertically passes through the axes of the third turntable (203) and the fourth turntable (204); the center line of the first oblique steel (107) vertically passes through the axes of the first turntable (201) and the third turntable (203); the center line of the second oblique steel (108) vertically passes through the axes of the second turntable (202) and the fourth turntable (204); the center line of the intermediate supporting square steel (109) vertically passes through the axes of the second turntable (202) and the third turntable (203).

5. The diamond-shaped hanging basket front and rear support force detection device according to claim 1, characterized in that: When the first Bragg grating (207) is aligned with the port of the lower horizontal steel (105), the first distance measuring plate (208) is aligned with the port of the second oblique steel (108); when the second Bragg grating (209) is aligned with the port of the first oblique steel (107), the second distance measuring plate (210) is aligned with the port of the upper horizontal steel (106); when the first laser distance measuring sensor (205) is measuring, the laser beam coincides with the center lines of the lower horizontal steel (105) and the first oblique steel (107); when the second laser distance measuring sensor (206) is measuring, the laser beam coincides with the center lines of the upper horizontal steel (106) and the second oblique steel (108).

6. The diamond-shaped hanging basket front and rear support force detection device according to claim 1, characterized in that: The first motor, the second motor, the third motor and the fourth motor are fixedly mounted on the side walls of the first connecting block (101), the second connecting block (102), the third connecting block (103) and the fourth connecting block (104), respectively, and the output ends of the first motor, the second motor, the third motor and the fourth motor are axially connected to the centers of the end surfaces of the first rotating disk (201), the second rotating disk (202), the third rotating disk (203) and the fourth rotating disk (204), respectively.

7. The diamond-shaped hanging basket front and rear support force detection device according to claim 1, characterized in that: The two light interference fringe collection components (211) include two electric push rods (2111) respectively fixedly mounted on the first turntable (201) and the fourth turntable (204); the telescopic ends of the electric push rods (2111) are fixedly connected to a rectangular plate (2112); and a beam splitter (2113), a plane mirror (2114) and an array photoelectric detector (2115) are fixedly mounted on the rectangular plate (2112).

8. A method for detecting the force of front and rear supports of a diamond-shaped hanging basket, characterized in that: The diamond hanging basket front and rear support force detection device according to any one of claims 1 to 7 comprises the following steps: Step 1: After the diamond hanging basket is installed, the first laser distance measuring sensor (205) and the first distance measuring plate (208) are respectively aligned with the two ends of the lower horizontal steel (105), and the distance from the first laser distance measuring sensor (205) to the first distance measuring plate (208) is measured as L1; Similarly, the distance from the first laser distance measuring sensor (205) to the second distance measuring plate (210) is measured as L2, the distance from the second laser distance measuring sensor (206) to the second distance measuring plate (210) is measured as L3, and the distance from the second laser distance measuring sensor (206) to the first distance measuring plate (208) is measured as L4; Step 2: respectively align the first laser distance sensor (205) and the first Bragg grating (207) with the two end ports of the lower horizontal steel (105), and adjust the position of the light interference fringe collection component (211) on the first turntable (201); the first laser distance sensor (205) emits a laser beam, and the laser beam generates interference fringes under the synergistic effect of the light interference fringe collection component (211) and the first Bragg grating (207), and the controller collects initial interference fringe data at the lower horizontal steel (105); similarly, collects initial interference fringe position data at the first oblique steel (107), the upper horizontal steel (106) and the second oblique steel (108); Step 3: During the construction process, the fourth connecting block (104) is subjected to a vertical downward load force; the controller collects interference fringe position data during construction at the lower horizontal steel (105), the first oblique steel (107), the upper horizontal steel (106) and the second oblique steel (108); In the lower horizontal steel (105), the interference fringes move by ΔI is the change in light intensity, and I1 is the coefficient related to the contrast of interference fringes; The tensile force on the lower horizontal steel (105) is A is the cross-sectional area of ​​the square steel, E is the elastic modulus of the square steel material, and λ is the wavelength of the laser; Similarly, the tension on the first oblique steel (107) N2 is the number of interference fringes moving in the first oblique steel (107); Tension of upper horizontal steel (106) N3 is the number of interference fringes moving in the upper horizontal steel (106); The tension on the second oblique steel (108) N4 is the number of interference fringes moved in the second rhombus steel (108); Step 4: The rear support below the first connecting block (101) is subjected to a pulling force F1 from the lower horizontal steel (105) and a force F2 from the first oblique steel (107). The rear support is then subjected to a downward pulling force F in the vertical direction. 后支 , then F 后支 =F2sinα, α is the angle between the first oblique steel (107) and the lower horizontal steel (105); The front support at the bottom of the second connection block (102) is subjected to a thrust F1 from the lower horizontal steel (105), a thrust F5 from the middle supporting steel (109), and a pressure F4 from the second oblique steel (108). The front support is subjected to a vertical downward pressure F 前支 =cosγF5+cosβF4, γ is the angle between the middle supporting square steel (109) and the vertical direction, β is the angle between the second oblique square steel (108) and the vertical direction, where Step 5: Step 3 to step 5, cycle; the controller controls F 后支 、F 前支 A judgment is made, and when it is detected that the force data exceeds the preset safety threshold, an alarm signal is issued.

Images