High-altitude bailey truss load and deformation real-time monitoring device

Abstract

The invention relates to the technical field of engineering structure monitoring, in particular to a high-altitude bailey truss load and deformation real-time monitoring device which comprises a bailey truss framework, a connected transverse frame is arranged at the top of the bailey truss framework, a mounting clamp is arranged at the top of the transverse frame in a clamped mode, a positioning seat is arranged at the top of the transverse frame, and an auxiliary connecting assembly is arranged at the top of the positioning seat. A sliding block is fixedly arranged at the top of the mounting clamp, main system equipment is slidably arranged on the side face of the sliding block, a storage groove is formed in the top of the main system equipment, a rotating cylinder is fixedly mounted at the top of the storage groove, an electric coil is mounted on the side face of the rotating cylinder, and the wire end of the electric coil is fixedly connected with a strain gauge used for detecting loads; the device has the beneficial effects that the variable-piece type and grating detector accurately measures the load and strain conditions of a component, collected data are sent to terminal equipment in real time through the signal transmitter, real-time detection is achieved, the auxiliary connection effect on the transverse frame is achieved through the auxiliary connection assembly, and the transverse frame is prevented from being broken and falling off.

Description

Technical Field

[0001] The present invention relates to the technical field of engineering structure monitoring, in particular to a high-altitude Bailey frame load and deformation real-time monitoring device. Background Art

[0002] Bailey frames, as a commonly used assembled load-bearing structure, have been widely used in municipal engineering, highways, railways, water conservancy projects and other fields due to their many advantages such as simple structure, convenient transportation, rapid erection, large load capacity, good interchangeability and strong adaptability. In high-altitude operation scenarios, Bailey frames are often used to build key structures such as construction platforms and formwork supports. However, Bailey frames in high-altitude environments face complex stress conditions. They not only have to bear the gravity of their own structure, but also have to bear variable loads generated by construction personnel, construction equipment, building materials, etc. during the construction process. Traditional Bailey frame monitoring methods mostly rely on manual regular inspections and simple measuring tools. This method is not only inefficient and consumes a lot of manpower and material resources, but also has low monitoring frequency and cannot obtain data in real time. It is difficult to meet the strict requirements for safety and reliability of high-altitude Bailey frames in complex construction environments. Therefore, the present invention proposes a real-time monitoring device for load and deformation of high-altitude Bailey frames to solve the above problems. Summary of the Invention

[0003] The purpose of the present invention is to provide a high-altitude Bailey frame load and deformation real-time monitoring device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a high-altitude Bailey frame load and deformation real-time monitoring device, comprising a Bailey frame structure, a connected cross frame is provided on the top of the Bailey frame structure, a mounting clamp is provided on the top of the cross frame, and two groups of mounting clamps are provided, which are symmetrically arranged on the sides of the cross frame, a positioning seat is provided on the top of the positioning seat, an auxiliary connecting assembly is provided on the top of the positioning seat, a slider is fixedly provided on the top of the mounting clamp, a main system device is slidably provided on the side of the slider, a storage slot is provided on the top of the main system device, and two groups of storage slots are provided, a rotating drum is fixedly installed on the top of the storage slot, and an electric coil is provided on the side of the rotating drum, the wire end of the electric coil is fixedly connected to a strain gauge for detecting the load, and the strain gauge is adhered to the top of the cross frame, a signal transmitter is fixedly installed on the top of the main system device, and a deformation detection sensor is fixedly installed on the bottom of the main system device.

[0005] Preferably, a reinforcing rib is fixedly mounted on the side surface of the mounting clip, a through hole is opened on the side surface of the mounting clip, and a fastening bolt is fitted in the through hole.

[0006] Preferably, a cover is provided on the top of the storage tank, and an integrated arithmetic unit is fixedly provided at one end of the electric coil away from the strain gauge, and the integrated arithmetic unit is connected to the signal transmitter by wire.

[0007] Preferably, an electric push rod is fixedly mounted on the top of the positioning seat, the electric push rod is controlled by a signal transmitter, and a push head is provided at the output end of the electric push rod.

[0008] Preferably, a first ring is fixedly installed on the top of the positioning seat, and a second ring is fixedly installed on the top of the positioning seat. A main control rod is arranged inside the first ring, and a controlled rod is arranged on the inner side of the second ring. The inner ring diameters of the first ring and the second ring are both larger than the diameters of the main control rod and the controlled rod.

[0009] Preferably, the deformation detection sensor is connected to the integrated computing unit by wires, a data line is fixedly connected to the bottom of the integrated computing unit, and one end of the data line is fixedly connected to a grating detector for detecting deformation.

[0010] Preferably, a connecting piece is fixedly installed on the top of the grating detector, and the connecting piece fixedly connects the test end of the grating detector to the bottom of the cross frame through bolts.

[0011] Preferably, the auxiliary connection assembly includes a fixed plate, a hydraulic side plate is fixedly installed on the side of the fixed plate, and the side of the fixed plate is also equipped with fastening bolts, and a socket is opened on the side of the hydraulic side plate, and the socket is connected to the main control rod and the controlled rod.

[0012] Preferably, a hydraulic flow groove is provided on the side of the socket, a hydraulic rod is slidingly provided at the bottom of the hydraulic flow groove, the hydraulic rod is contacted with the main control rod and the controlled rod, and a reinforcement plate is slidingly provided at the bottom of the hydraulic flow groove, and the reinforcement plate is contacted and connected with the bottom of the cross frame.

[0013] A monitoring method according to the above-mentioned high-altitude Bailey frame load and deformation real-time monitoring device comprises the following steps:

[0014] S1. Select the test point according to the equipment load-bearing structure;

[0015] S2. Clamp the mounting frame on both sides of the load-bearing cross frame and tighten the bolt structure to reinforce and limit the position;

[0016] S3. Fix the positioning seat to the center of the cross frame with bolts, and then clamp and fix the auxiliary connection assembly to the side of the cross frame with bolts;

[0017] S4. Open the cover and pull out the strain gauge used to detect the load. Attach the strain gauge to the side of the cross frame. Before attaching, ensure that the test point of the cross frame is clean. Then, bolt the grating detector used to detect deformation to the bottom position in the middle of the cross frame. Actively control the electric push rod to push the main control rod. The main control rod presses the hydraulic rod. The hydraulic rod drives the reinforcement plate to lift through the flow of internal hydraulic oil, thereby controlling the direct pressure between the reinforcement plate and the cross frame.

[0018] S5. When the cross frame is overloaded and deformed, the strain gauge will stretch or compress as the cross frame deforms. At this time, the resistance of the strain gauge changes, and the resistance data is input into the integrated operator through the electric coil to calculate the load on the cross frame. Since the test end of the grating detector is fixedly connected to the bottom of the cross frame, after deformation, the two sides of the grating detector are pulled, and the wavelength of the internal grating reflected light is shifted. The changed data is also transmitted to the integrated operator through the data line for calculation. Finally, the collected data is sent to the terminal device in real time through the signal transmitter, and during the deformation of the cross frame, the mounting base connected to the top will be connected and deformed synchronously. The distance between the main control rod and the controlled rod shortens with the deformation. The shortening will compress the hydraulic rod to drive the reinforcement plate to lift through the flow of internal hydraulic oil until the cross frame is over-deformed and contacts the reinforcement plate, thereby achieving an auxiliary connection effect.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows: by setting up a signal transmitter, a strain gauge, a deformation sensor and an auxiliary connection component design, the strain gauge principle can accurately sense tiny load changes and convert them into electrical signal outputs. The grating detector utilizes the strain wavelength characteristics of the fiber grating to measure the strain of the component in real time and accurately, and then obtains the degree of deformation of the component through calculation. The collected data is sent to the terminal device in real time through the signal transmitter to realize real-time detection. In addition, through the auxiliary connection component design, the material deformation limit can be pre-set through the electric push rod, and the tensile and compression changes caused by the deformation of the structure are utilized. Under the cooperative sliding of the main control rod, the controlled rod and the hydraulic rod, it is converted into pressure changes in the hydraulic groove flow groove, so that the reinforcement plate can achieve the reinforcement connection effect of the cross frame under the push of hydraulic oil, avoid the cross frame from breaking and falling at high altitude, significantly improve the risk resistance of the Bailey frame, and effectively prevent the occurrence of safety accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 Schematic diagram of the structure of the strain gauge of the present invention;

[0022] Figure 3 This is a schematic diagram of the overall structure of the auxiliary connection assembly of the present invention;

[0023] Figure 4 This is a schematic diagram of the overall structure of the hydraulic side plate of the present invention;

[0024] Figure 5 This is a schematic diagram of the overall structure of the positioning seat of the present invention;

[0025] Figure 6 This is a schematic diagram of the overall structure of the main system of the present invention;

[0026] Figure 7 This is a schematic diagram of the bottom structure of the main system of the present invention;

[0027] Figure 8 This is a front view of the main system structure of the present invention;

[0028] Figure 9 This is a schematic axial cross-sectional view of the auxiliary connection assembly structure of the present invention;

[0029] Figure 10 It is a schematic cross-sectional view of the hydraulic side plate structure of the present invention.

[0030] In the figure: 1. Bailey frame structure; 2. Cross frame; 3. Mounting clamp; 4. Positioning seat; 5. Auxiliary connection assembly; 6. Slider; 7. Main system equipment; 8. Storage tank; 9. Rotating drum; 10. Electric coil; 11. Strain gauge; 12. Signal transmitter; 13. Reinforcement rib; 14. Through hole; 15. Fastening bolt; 16. Cover plate; 17. Integrated arithmetic unit; 18. Electric push rod; 19. Push head; 20. First ring; 21. Second ring; 22. Main control rod; 23. Controlled rod; 24. Data line; 25. Grating detector; 26. Connector; 27. Fixing plate; 28. Hydraulic side plate; 29. ​​Jack; 30. Hydraulic flow groove; 31. Hydraulic rod; 32. Reinforcement plate. DETAILED DESCRIPTION

[0031] In order to clearly and completely describe the objectives and technical solutions of the present invention and make the advantages more clearly understood, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] See also Figures 1 to 10 The present invention provides a technical solution: a high-altitude Bailey frame load and deformation real-time monitoring device, comprising

[0033] Bailey frame structure 1, the top of the Bailey frame structure 1 is provided with a connected cross frame 2, the top of the cross frame 2 is clamped with a mounting clip 3, and two groups of mounting clips 3 are provided, which are symmetrically arranged on the side of the cross frame 2, a slider 6 is fixedly provided on the top of the mounting clip 3, and the side of the slider 6 is slidingly provided with a main system equipment 7, and the side of the mounting clip 3 is fixedly installed with a reinforcing rib 13, and the side of the mounting clip 3 is provided with a through hole 14, and the through hole 14 is cooperated with a fastening bolt 15. The slider 6 and the main system equipment 7 are connected with the slider 6. The structure is simple, can adapt to cross frame 2 structures of different sizes, and is easy to fix.

[0034] A storage slot 8 is provided on the top of the main system equipment 7, and two groups of storage slots 8 are provided. A rotating drum 9 is fixedly installed on the top of the storage slot 8, and an electric coil 10 is installed on the side of the rotating drum 9. The end of the wire end of the electric coil 10 is fixedly connected to a strain gauge 11 for detecting the load, and the strain gauge 11 is adhered to the top of the cross frame 2. A signal transmitter 12 is fixedly installed on the top of the main system equipment 7, and a cover plate 16 is provided on the top of the storage slot 8. An integrated operator 17 is fixedly provided at one end of the electric coil 10 away from the strain gauge 11. The integrated operator 17 is connected to the signal transmitter 12 by wire. The structural design of the rotating drum 9, the electric coil 10 and the strain gauge 11 can extend the strain gauge 11. The structure is compact and the design is reasonable, which is convenient for fixed-point testing.

[0035] A deformation detection sensor is fixedly mounted on the bottom of the main system device 1 and is electrically connected to the integrated computing unit 17. A data cable 24 is fixedly connected to the bottom of the integrated computing unit 17, and one end of the data cable 24 is fixedly connected to a grating detector 25 for detecting deformation. A connector 26 is fixedly mounted on the top of the grating detector 25. Connector 26 bolts the testing end of the grating detector 25 to the bottom of the cross frame 2. When the cross frame 2 is overloaded and deformed, the strain gauge 11 will stretch or compress with the deformation of the cross frame 2. At this time, the resistance of the strain gauge 11 changes. The resistance data is input into the integrated computing unit 17 through the electric coil 10 to calculate the load on the cross frame 2. Because the testing end of the grating detector 25 is fixedly connected to the bottom of the cross frame 2, the deformation causes the two sides of the grating detector 25 to be pulled, causing the wavelength of the reflected light from the internal grating to shift. This change is also transmitted to the integrated computing unit 17 via the data cable 24 for calculation. Finally, the collected data is transmitted to the terminal device in real time via the signal transmitter 12.

[0036] An electric push rod 18 is fixedly installed on the top of the positioning seat 4, and the electric push rod 18 is controlled by the signal transmitter 12. A push head 19 is provided at the output end of the electric push rod 18. A first ring 20 is fixedly installed on the top of the positioning seat 4, and a second ring 21 is fixedly installed on the top of the positioning seat 4. A main control rod 22 is provided in the first ring 20, and a controlled rod 23 is provided on the inner side of the second ring 21. The inner ring diameters of the first ring 20 and the second ring 21 are both larger than the diameters of the main control rod 22 and the controlled rod 23.

[0037] The top of the cross frame 2 is equipped with a positioning seat 4, and the top of the positioning seat 4 is equipped with an auxiliary connecting assembly 5. The auxiliary connecting assembly 5 includes a fixing plate 27, and a hydraulic side plate 28 is fixedly installed on the side of the fixing plate 27. The side of the fixing plate 27 is also equipped with a fastening bolt 15. A socket 29 is opened on the side of the hydraulic side plate 28, and the socket 29 is plugged with the main control rod 22 and the controlled rod 23. A hydraulic flow groove 30 is provided on the side of the socket 29. A hydraulic rod 31 is slidably provided at the bottom of the hydraulic flow groove 30. The hydraulic rod 31 is in contact with the main control rod 22 and the controlled rod 23. A reinforcement plate 3 is slidably provided at the bottom of the hydraulic flow groove 30. 2. The reinforcing plate 32 is in contact with and connected to the bottom of the cross frame 2, and can actively control the electric push rod 18 structure. The electric push rod 18 pushes the main control rod 22 to compress the hydraulic rod 31. The hydraulic rod 31 is transmitted through the hydraulic oil in the hydraulic flow groove 30 to push the fixed plate 27, thereby presetting the material deformation limit. During the deformation process of the cross frame 2, the mounting seat connected to the top will be deformed synchronously. The distance between the main control rod 22 and the controlled rod 23 will shorten with the deformation. The shortening will compress the hydraulic rod 31 to drive the reinforcing plate 32 to rise through the flow of internal hydraulic oil until the cross frame 2 is excessively deformed and contacts the reinforcing plate 32, thereby achieving an auxiliary connection effect.

[0038] The monitoring method of this device is as follows: first, according to the load-bearing structure of the equipment, a test point is selected, the mounting frame is clamped on both sides of the load-bearing cross frame 2, and the limit is reinforced by tightening the bolts 15 structure, the positioning seat 4 is fixed to the center of the cross frame 2 by bolts, and then the auxiliary connection component 5 is clamped and fixed to the side of the cross frame 2 by bolts, the cover 16 is opened to pull out the strain gauge 11 for detecting the load, and the strain gauge 11 is adhered to the side of the cross frame 2. Before adhering, the test point of the cross frame 2 is ensured to be clean, and then the grating detector 25 for detecting deformation is fixed to the bottom position in the middle of the cross frame 2 by bolts, and the main control rod 22 is pushed by the active control electric push rod 18. The main control rod 22 presses the hydraulic rod 31, and the hydraulic rod 31 is driven by the hydraulic oil in the hydraulic flow groove 30 to push the fixed plate 27 to lift, thereby pre-setting the material deformation limit. When the cross frame 2 is overloaded and deformed, the strain gauge 11 will deform along with the deformation of the cross frame 2. When a stretch or compression image occurs, the resistance of the strain gauge 11 changes, and the resistance data is input into the integrated computing unit 17 through the electric coil 10 to calculate the load on the cross frame 2. Since the test end of the grating detector 25 is fixedly connected to the bottom of the cross frame 2, after deformation, the two sides of the grating are pulled, and the wavelength of the internal grating reflected light is shifted. The changed data is also transmitted to the integrated computing unit 17 through the data line 24 for calculation. Finally, the collected data is sent to the terminal device in real time through the signal transmitter 12. During the deformation process of the cross frame 2, the mounting seat connected to the top will also deform synchronously. The distance between the main control rod 22 and the controlled rod 23 shortens with the deformation. The shortening will compress the hydraulic rod 31 to drive the reinforcement plate 32 to lift through the internal hydraulic oil flow until the cross frame 2 is excessively deformed and contacts the reinforcement plate 32, thereby achieving an auxiliary connection effect. The auxiliary connection is performed to avoid cross frame breakage and ensure the safety of the Bailey frame.

[0039] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A high-altitude Bailey frame load and deformation real-time monitoring device, characterized by: The invention comprises a Bailey frame structure (1), wherein a connected cross frame (2) is provided on the top of the Bailey frame structure (1), a mounting clamp (3) is provided on the top of the cross frame (2), and two groups of mounting clamps (3) are provided and symmetrically arranged on the side of the cross frame (2), a positioning seat (4) is provided on the top of the cross frame (2), an auxiliary connecting component (5) is provided on the top of the positioning seat (4), a slider (6) is fixedly provided on the top of the mounting clamp (3), and a main system device (7) is slidably provided on the side of the slider (6), and the main system device A storage slot (8) is provided on the top of the equipment (7), and two groups of storage slots (8) are provided. A rotating drum (9) is fixedly installed on the top of the storage slot (8), and an electric coil (10) is installed on the side of the rotating drum (9). The end of the wire end of the electric coil (10) is fixedly connected to a strain gauge (11) for detecting the load, and the strain gauge (11) is adhered to the top of the cross frame (2). A signal transmitter (12) is fixedly installed on the top of the main system equipment (7), and a deformation detection sensor is fixedly installed on the bottom of the main system equipment (7).

2. The high-altitude Bailey frame load and deformation real-time monitoring device according to claim 1 is characterized by: A reinforcing rib (13) is fixedly mounted on the side of the mounting clamp (3), a through hole (14) is opened on the side of the mounting clamp (3), and a fastening bolt (15) is matched and mounted in the through hole (14).

3. The high-altitude Bailey frame load and deformation real-time monitoring device according to claim 2 is characterized by: A cover plate (16) is provided on the top of the storage tank (8), and an integrated computing unit (17) is fixedly provided at one end of the electric coil (10) away from the strain gauge (11), and the integrated computing unit (17) is connected to the signal transmitter (12) via an electric wire.

4. The high-altitude Bailey frame load and deformation real-time monitoring device according to claim 3 is characterized by: An electric push rod (18) is fixedly mounted on the top of the positioning seat (4). The electric push rod (18) is controlled by a signal transmitter (12). A push head (19) is provided at the output end of the electric push rod (18).

5. The high-altitude Bailey frame load and deformation real-time monitoring device according to claim 4 is characterized by: A first ring (20) is fixedly mounted on the top of the positioning seat (4), and a second ring (21) is fixedly mounted on the top of the positioning seat (4). A main control rod (22) is arranged inside the first ring (20), and a controlled rod (23) is arranged inside the second ring (21). The inner ring diameters of the first ring (20) and the second ring (21) are both larger than the diameters of the main control rod (22) and the controlled rod (23).

6. The high-altitude Bailey frame load and deformation real-time monitoring device according to claim 5, characterized in that: The deformation detection sensor is connected to the integrated computing unit (17) via an electric wire. The bottom of the integrated computing unit (17) is fixedly connected to a data line (24), and the other end of the data line (24) is fixedly connected to a grating detector (25) for detecting deformation.

7. The high-altitude Bailey frame load and deformation real-time monitoring device according to claim 6, characterized in that: A connecting piece (26) is fixedly mounted on the top of the grating detector (25), and the connecting piece (26) is used to fixedly connect the test end of the grating detector (25) to the bottom of the cross frame (2) via bolts.

8. The high-altitude Bailey frame load and deformation real-time monitoring device according to claim 7 is characterized by: The auxiliary connection assembly (5) includes a fixed plate (27), a hydraulic side plate (28) is fixedly installed on the side of the fixed plate (27), and a fastening bolt (15) is also installed on the side of the fixed plate (27). A socket (29) is opened on the side of the hydraulic side plate (28), and the socket (29) is plugged into the main control rod (22) and the controlled rod (23).

9. The high-altitude Bailey frame load and deformation real-time monitoring device according to claim 8, characterized in that: A hydraulic flow groove (30) is provided on the side of the insertion hole (29), a hydraulic rod (31) is slidably provided at the bottom of the hydraulic flow groove (30), and the hydraulic rod (31) is contacted with the main control rod (22) and the controlled rod (23), and a reinforcing plate (32) is slidably provided at the bottom of the hydraulic flow groove (30), and the reinforcing plate (32) is contacted and connected with the bottom of the cross frame (2).

10. A monitoring method for the high-altitude Bailey frame load and deformation real-time monitoring device according to claim 9, characterized in that: The following steps are involved: S1. Select the test point according to the equipment load-bearing structure; S2, clamping the mounting frame on both sides of the load-bearing cross frame (2), and reinforcing and limiting the structure by tightening the bolts (15); S3, fixing the positioning seat (4) to the center of the cross frame (2) by means of bolts, and then clamping and fixing the auxiliary connection assembly (5) to the side of the cross frame (2) by means of bolts; S4. Open the cover (16) and pull out the strain gauge (11) for detecting the load, and adhere the strain gauge (11) to the side of the cross frame (2). Before adhering, ensure that the test point of the cross frame (2) is clean. Then, fix the grating detector (25) for detecting deformation to the bottom position in the middle of the cross frame (2) through bolts. Actively control the electric push rod (18) to push the main control rod (22). The main control rod (22) presses the hydraulic rod (31). The hydraulic rod (31) drives the reinforcement plate (32) to lift through the flow of internal hydraulic oil, thereby being able to control the direct pressure between the reinforcement plate (32) and the cross frame (2); S5. When the cross frame (2) is overloaded and deformed, the strain gauge (11) will be stretched or compressed as the cross frame (2) is deformed. At this time, the resistance of the strain gauge (11) changes, and the resistance data is input into the integrated operator (17) through the electric coil (10) to calculate the load on the cross frame (2). Since the test end of the grating detector (25) is fixedly connected to the bottom of the cross frame (2), after the deformation occurs, the two sides of the grating detector (25) are pulled, and the wavelength of the internal grating reflected light is shifted, which will change the number of passes. The data line (24) is also transmitted to the integrated computing unit (17) for calculation, and finally the collected data is sent to the terminal device in real time through the signal transmitter (12). During the deformation of the cross frame (2), the mounting seat connected to the top will be deformed synchronously, and the distance between the main control rod (22) and the controlled rod (23) will be shortened as the deformation occurs. The shortening will compress the hydraulic rod (31) to drive the reinforcement plate (32) to rise through the flow of internal hydraulic oil until the cross frame (2) is excessively deformed and contacts the reinforcement plate (32), thereby achieving an auxiliary connection effect.

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