Bridge deflection and vibration real-time monitoring device

Abstract

The utility model relates to the technical field of bridge measurement, in particular to a bridge deflection and vibration real-time monitoring device. The technical problems that in the bridge monitoring process, when deflection of a bridge is detected through a movable deflection meter and a vibration sensor is directly installed at the bottom of the bridge to detect vibration, the detection result is inaccurate due to the fact that the vibration sensor is easily affected by the external environment are solved; according to the technical scheme, the bridge deflection and vibration real-time monitoring device comprises a wireless transmission device, a first detection assembly, an inner supporting assembly, a shell assembly, a mounting assembly, a second detection assembly and a stabilizing assembly; compared with a traditional monitoring device, through the cooperation of the shell structure and the stabilizing structure, the deflection and vibration of a bridge can be detected while internal equipment is protected, through the arranged stabilizing structure, the stability of the protective shell can be kept while the gravity borne by the protective shell is reduced, and the stability of the bridge is improved. And the wind-blown protective shell is prevented from shaking to influence the equipment detection result.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge measurement, in particular to a real-time monitoring device for bridge deflection and vibration. Background Art

[0002] Bridge measurement is an important part of bridge engineering, which involves multiple stages such as bridge design, construction, maintenance and evaluation. The purpose of bridge measurement is to ensure that the size, position, shape and structural performance of the bridge meet the design requirements and can provide safe and reliable services during operation. Real-time monitoring of these parameters can help engineers detect abnormalities in bridge structures in a timely manner, prevent potential safety accidents, and guide bridge maintenance and repair work. In the process of bridge monitoring, the disturbance of the bridge is detected by a mobile deflectometer, which cannot detect the change of the deflection of the bridge in real time. In addition, when the vibration sensor is directly installed on the bottom of the bridge to detect vibration, it is easily affected by the external environment, resulting in inaccurate detection results. Utility Model Content

[0003] In order to overcome the problem that during the bridge monitoring process, the disturbance of the bridge is detected by a mobile deflection meter, the deflection change of the bridge cannot be detected in real time, and the vibration sensor is directly installed on the bottom of the bridge to detect the vibration, which is easily affected by the external environment and leads to inaccurate detection results.

[0004] The technical solution of the utility model is: a real-time monitoring device for bridge deflection and vibration, comprising a wireless transmission device, a first detection component, an inner support component, an outer shell component, a mounting component, a second detection component and a stabilizing component; the first detection component is arranged on the bottom surface of the wireless transmission device, the inner support component is arranged on the bottom surface of the first detection component, the outer shell component is arranged on the bottom surface of the inner support component, the mounting component is arranged on the top surface of the outer shell component, the second detection component is arranged on the bottom surface of the mounting component, and the stabilizing component is arranged on the side surface of the outer shell component.

[0005] Preferably, the wireless transmission device can transmit the monitoring data, the first detection component can detect the deflection of the bridge and the bending deformation of the bridge under the action of load, the inner support component can provide support for the first detection component, and the inner support component can be removed from the outer shell component to facilitate the inspection and maintenance of the first detection component, the outer shell component can provide protection for the internal first detection component and the second detection component to prevent the external environment from corroding and damaging the equipment, the installation component can install and fix the entire device to the bridge, the second detection component can detect tiny vibrations under the dynamic load of the bridge, and the stabilization component can make the device installation more stable to reduce the impact of the external environment on data monitoring.

[0006] Preferably, the first detection component includes a circuit base plate, a battery, a real-time monitoring device and a laser deflectometer; a circuit base plate is arranged on the bottom surface of the wireless transmission device, the circuit base plate is electrically connected to the wireless transmission device, a battery is arranged on the side of the circuit base plate, a real-time monitoring device is arranged on the top surface of the circuit base plate, the real-time monitoring device is electrically connected to the circuit base plate, a laser deflectometer is arranged on the top surface of the circuit base plate, the vertical deflection of the bridge is measured in real time by the laser deflectometer, the battery is used to provide power to the laser deflectometer to ensure the normal operation of the laser deflectometer, the detection data is collected by the data acquisition system inside the real-time monitoring device, and the collected data is transmitted by the wireless transmission device. The model of the laser deflectometer is HPQN-B.

[0007] Preferably, the inner support assembly includes a sliding support, an inner limit frame, a limit box, a limit spring, a limit dial plate and a limit plug column; a sliding support is arranged on the bottom surface of the circuit base plate, an inner limit frame is arranged on the outer side of the sliding support, a limit box is arranged on the side of the inner limit frame, two groups of limit boxes are arranged, a limit spring is arranged on the inner side of the limit box, a limit dial plate is arranged on the other end of the limit spring, a limit plug column is arranged on the side of the limit dial plate, and the limit plug column is arranged inside the sliding support, and the limit plug column is arranged inside the sliding support. The sliding support provides support for the circuit base plate, and the sliding support is restricted by the inner limit frame. The elastic force of the limit spring is used to push the limit plug through the limit dial plate and insert it into the limit hole inside the sliding support, thereby restricting and fixing the sliding support and the inner limit frame to prevent sliding. The limit dial plate is moved in the limit box to press the limit spring and remove the limit plug from the sliding support, so that the sliding support can be removed from the inner limit frame for inspection and maintenance of the laser deflectometer.

[0008] Preferably, the shell assembly includes a protective shell, a rotating shaft, a protective door, an electronic lock and a glass window; the bottom surface of the sliding support is provided with a protective shell, the side of the protective shell is provided with a rotating shaft, the outer side of the rotating shaft is provided with a protective door, the side of the protective door is provided with an electronic lock, and the side of the protective door is provided with a glass window. The electronic lock is used to fix the protective door to the protective shell, thereby providing protection for the internal equipment to prevent the equipment from being damaged by erosion by the external environment. The glass window facilitates the detection of the laser deflectometer and the laser penetration device to detect the bridge.

[0009] Preferably, the mounting assembly includes a mounting top plate, mounting holes and a rubber pad; the top surface of the protective shell is provided with a mounting top plate, the top surface of the mounting top plate is provided with mounting holes, and four groups of mounting holes are provided. The top surface of the mounting top plate is provided with a rubber pad, and the mounting top plate is fixedly connected to the bridge by utilizing the mounting holes to provide support for the entire device. The rubber pad is used to reduce the shaking between the mounting top plate and the bridge, thereby keeping the device stable and avoiding affecting the detection results of the device.

[0010] Preferably, the second detection component includes a mounting bracket, a vibration sensor and a fixing bolt; a mounting bracket is arranged on the bottom surface of the mounting top plate, four groups of mounting brackets are arranged, a vibration sensor is arranged on the side of the mounting bracket, the vibration sensor is slidingly connected to the mounting bracket, a fixing bolt is arranged on the side of the vibration sensor, two groups of fixing bolts are arranged, the fixing bolts are threadedly connected to the mounting bracket, support is provided for the bottom of the vibration sensor through the mounting bracket, the vibration sensor is fixedly connected to the mounting bracket by the fixing bolts, so that the vibration sensor can capture and detect tiny vibrations on the bridge, and the model of the vibration sensor is KBVD.

[0011] Preferably, the stabilizing component includes stabilizing pillars, a stabilizing mounting plate and fixing holes; stabilizing pillars are arranged on the sides of the protective shell, two groups of stabilizing pillars are arranged, a stabilizing mounting plate is arranged on the top surface of the stabilizing pillars, fixing holes are provided on the top surface of the stabilizing mounting plate, and four groups of fixing holes are provided. The stabilizing mounting plate is installed and fixed to the bridge through the fixing holes, and the stabilizing pillars are used to provide support for both sides of the protective shell, thereby reducing the gravity on the protective shell and preventing the wind from blowing the protective shell to shake and affecting the equipment detection results.

[0012] Beneficial effects of the utility model:

[0013] 1. Compared with traditional bridge monitoring devices, the mobile deflectometer cannot detect the change of bridge deflection in real time when detecting the disturbance of the bridge. Moreover, when the vibration sensor is directly installed at the bottom of the bridge to detect the vibration, it is easily affected by the external environment, resulting in inaccurate detection results. By setting up the shell structure and the stable structure for use together, a relatively closed environment can be provided for the internal equipment, which can prevent the internal equipment from being eroded by the external environment while not hindering the detection of the deflection and vibration of the bridge. By providing support for both sides of the shell structure, the protective shell can be kept stable while reducing the gravity on the protective shell, and the shaking of the protective shell caused by wind can be avoided to affect the detection results of the equipment.

[0014] 2. Use electronic locks to fix the protective door and protective shell to provide protection for the internal equipment and prevent the equipment from being damaged by the external environment. The glass window is convenient for the laser deflectometer to detect the bridge with the laser penetration device. The vibration sensor is fixedly connected to the mounting bracket with fixing bolts to capture the tiny vibrations on the bridge. The data acquisition system inside the real-time monitoring device is used to collect the detected data, which is convenient for transmitting the collected data using a wireless transmission device. The stable mounting plate is fixed to the bridge through the fixing holes, and the two sides of the protective shell are supported by stable pillars to reduce the gravity on the protective shell and prevent the wind from shaking the protective shell and affecting the equipment detection results.

[0015] 3. Use rubber pads to reduce the shaking between the installation top plate and the bridge to keep the device stable and avoid affecting the detection results of the device. Use the inner limit frame to limit the sliding support. Use the elastic force of the limit spring to push the limit plug through the limit plate and insert it into the limit hole inside the sliding support, thereby restricting and fixing the sliding support and the inner limit frame to prevent sliding. Slide the limit plate in the limit box to press the limit spring and remove the limit plug from the sliding support, so as to facilitate the removal of the sliding support from the inner limit frame and inspect the laser deflectometer. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 What is shown is a three-dimensional structural schematic diagram of the real-time monitoring device for bridge deflection and vibration of the utility model;

[0017] Figure 2 What is shown is a schematic diagram of the three-dimensional structure of the first detection component of the real-time monitoring device for bridge deflection and vibration of the utility model;

[0018] Figure 3 What is shown is a three-dimensional structural schematic diagram of the housing assembly of the bridge deflection and vibration real-time monitoring device of the utility model;

[0019] Figure 4 The present invention shows a schematic diagram of the three-dimensional structure of the second detection component of the real-time monitoring device for bridge deflection and vibration of the present invention; the figure numerals are as follows: 1, wireless transmission device; 2, first detection component; 3, inner support component; 4, shell component; 5, installation component; 6, second detection component; 7, stabilization component; 201, circuit base plate; 202, battery; 203, real-time monitoring device; 204, laser deflectometer; 301, sliding support; 302, inner limit frame; 303, limit box; 304, limit spring; 305, limit dial plate; 306, limit plug; 401, protective shell; 402, rotating shaft; 403, protective door; 404, electronic lock; 405, glass window; 501, mounting top plate; 502, mounting hole; 503, rubber pad; 601, mounting bracket; 602, vibration sensor; 603, fixing bolt; 701, stabilizing pillar; 702, stabilizing mounting plate; 703, fixing hole. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] See also Figure 1The utility model provides an embodiment: a real-time monitoring device for bridge deflection and vibration, comprising a wireless transmission device 1, a first detection component 2, an inner support component 3, an outer shell component 4, a mounting component 5, a second detection component 6 and a stabilizing component 7; the bottom surface of the wireless transmission device 1 is provided with the first detection component 2, the bottom surface of the first detection component 2 is provided with the inner support component 3, the bottom surface of the inner support component 3 is provided with the outer shell component 4, the top surface of the outer shell component 4 is provided with the mounting component 5, the bottom surface of the mounting component 5 is provided with the second detection component 6, and the side surface of the outer shell component 4 is provided with the stabilizing component 7. The wireless transmission device 1 can transmit monitoring data, the first detection component 2 is provided with the inner support component 3, the bottom surface of the inner support component 3 is provided with the outer shell component 4, the top surface of the outer shell component 4 is provided with the mounting component 5, the bottom surface of the mounting component 5 is provided with the second detection component 6, and the side surface of the outer shell component 4 is provided with the stabilizing component 7. The measuring component 2 can measure the deflection of the bridge and detect the bending deformation of the bridge under the action of load. The inner support component 3 can provide support for the first detecting component 2 and can remove the inner support component 3 from the outer shell component 4 to facilitate the inspection and maintenance of the first detecting component 2. The outer shell component 4 can provide protection for the internal first detecting component 2 and the second detecting component 6 to prevent the external environment from corroding and damaging the equipment. The installation component 5 can install and fix the entire device to the bridge. The second detecting component 6 can detect tiny vibrations under the dynamic load of the bridge. The stabilizing component 7 can make the installation of the device more stable and reduce the influence of the external environment on data monitoring.

[0022] See also Figure 2-4In this embodiment, the first detection component 2 includes a circuit substrate 201, a battery 202, a real-time monitoring device 203 and a laser deflectometer 204; the circuit substrate 201 is arranged on the bottom surface of the wireless transmission device 1, and the circuit substrate 201 is electrically connected to the wireless transmission device 1, and the battery 202 is arranged on the side of the circuit substrate 201, and the real-time monitoring device 203 is arranged on the top surface of the circuit substrate 201, and the real-time monitoring device 203 is electrically connected to the circuit substrate 201, and the laser deflectometer 204 is arranged on the top surface of the circuit substrate 201, and the vertical deflection of the bridge is measured in real time by the laser deflectometer 204, and the battery 202 is used to provide power for the laser deflectometer 204 to ensure the normal operation of the laser deflectometer 204, and the real-time monitoring device 203 is used to measure the vertical deflection of the bridge. The data acquisition system inside the measuring equipment 203 collects the detected data, so as to facilitate the transmission of the collected data by using the wireless transmission device 1. The model of the laser deflectometer 204 is HPQN-5B. The internal support component 3 includes a sliding support 301, an inner limit frame 302, a limit box 303, a limit spring 304, a limit plate 305 and a limit plug 306. The bottom surface of the circuit base plate 201 is provided with a sliding support 301, the outer side of the sliding support 301 is provided with an inner limit frame 302, and the side of the inner limit frame 302 is provided with a limit box 303. The limit box 303 is provided with two groups, and a limit spring 304 is provided on the inner side of the limit box 303. The other end of the limit spring 304 is provided with a limit plate 305. The side of the positioning plate 305 is provided with a limiting plug 306, and the limiting plug 306 is arranged inside the sliding support 301. The sliding support 301 is used to provide support for the circuit base plate 201, and the sliding support 301 is limited by the inner limiting frame 302. Then, the elastic force of the limiting spring 304 is used to push the limiting plug 306 through the limiting plate 305 to be inserted into the limiting hole inside the sliding support 301, so that the sliding support 301 and the inner limiting frame 302 are restricted and fixed to prevent sliding. The limiting plate 305 is moved to slide in the limiting box 303 to press the limiting spring 304, and the limiting plug 306 is taken out of the sliding support 301, so that the sliding support 301 is taken out of the inner limiting frame 302 to facilitate the removal of the sliding support 301 from the inner limiting frame 302. The deflectometer 204 is inspected and repaired, and the shell assembly 4 includes a protective shell 401, a rotating shaft 402, a protective door 403, an electronic lock 404 and a glass window 405; the bottom surface of the sliding support 301 is provided with a protective shell 401, the side of the protective shell 401 is provided with a rotating shaft 402, the outer side of the rotating shaft 402 is provided with a protective door 403, the side of the protective door 403 is provided with an electronic lock 404, and the side of the protective door 403 is provided with a glass window 405. The electronic lock 404 is used to fix the protective door 403 to the protective shell 401, so as to provide protection for the internal equipment to prevent the equipment from being damaged by the erosion of the external environment, and the glass window 405 is convenient for the detection laser penetration device of the laser deflectometer 204 to detect the bridge.

[0023] The mounting assembly 5 includes a mounting top plate 501, mounting holes 502 and rubber pads 503; the top surface of the protective housing 401 is provided with a mounting top plate 501, the top surface of the mounting top plate 501 is provided with mounting holes 502, and the mounting holes 502 are provided with four groups, and the top surface of the mounting top plate 501 is provided with rubber pads 503, and the mounting top plate 501 is fixedly connected to the bridge by the mounting holes 502 to provide support for the entire device, and the shaking between the mounting top plate 501 and the bridge is reduced by the rubber pads 503, so that the device can be mounted on the upper surface of the protective housing 401. The device is kept stable to avoid affecting the detection result of the device. The second detection component 6 includes a mounting bracket 601, a vibration sensor 602 and a fixing bolt 603; the bottom surface of the mounting top plate 501 is provided with a mounting bracket 601, and the mounting bracket 601 is provided with four groups. The side of the mounting bracket 601 is provided with a vibration sensor 602, and the vibration sensor 602 is slidably connected to the mounting bracket 601. The side of the vibration sensor 602 is provided with a fixing bolt 603, and the fixing bolt 603 is provided with two groups. The bolt 603 is threadedly connected to the mounting bracket 601, and the mounting bracket 601 provides support for the bottom of the vibration sensor 602. The vibration sensor 602 is fixedly connected to the mounting bracket 601 by the fixing bolt 603, so that the vibration sensor 602 can capture and detect small vibrations on the bridge. The model of the vibration sensor 602 is KB12VD. The stabilizing component 7 includes a stabilizing pillar 701, a stabilizing mounting plate 702 and a fixing hole 703. The side of the protective shell 401 is provided with a stabilizing pillar 701, and the stabilizing pillar 701 is provided with two groups. The top surface of the stabilizing pillar 701 is provided with a stabilizing mounting plate 702, and the top surface of the stabilizing pillar 701 is provided with fixing holes 703, and the fixing holes 703 are provided with four groups. The stabilizing mounting plate 702 is installed and fixed to the bridge through the fixing holes 703, and the stabilizing pillar 701 is used to provide support for both sides of the protective shell 401, so as to reduce the gravity on the protective shell 401 and prevent the wind from blowing the protective shell 401 to shake and affect the equipment detection result.

[0024] When working, the mounting top plate 501 is fixedly connected to the bridge using the mounting holes 502 to provide support for the entire device, and the shaking between the mounting top plate 501 and the bridge is reduced by the rubber pad 503 to keep the device stable and avoid affecting the detection results of the device;

[0025] The stable mounting plate 702 is fixed to the bridge through the fixing holes 703, and the stable pillars 701 are used to provide support for both sides of the protective housing 401, so as to reduce the gravity on the protective housing 401 and prevent the protective housing 401 from shaking due to wind and affecting the equipment detection results;

[0026] The sliding support 301 is used to provide support for the circuit base plate 201, and the vertical deflection of the bridge is measured in real time by the laser deflectometer 204. The storage battery 202 is used to provide power to the laser deflectometer 204 to ensure the normal operation of the laser deflectometer 204.

[0027] The bottom of the vibration sensor 602 is supported by the mounting bracket 601, and the vibration sensor 602 is fixedly connected to the mounting bracket 601 by the fixing bolt 603, so that the vibration sensor 602 can capture and detect small vibrations on the bridge;

[0028] The detected data is collected by the data acquisition system inside the real-time monitoring device 203, so as to facilitate the transmission of the collected data by the wireless transmission device 1;

[0029] The sliding support 301 is restricted by the inner limit frame 302, and the limit pin 306 is pushed into the limit hole inside the sliding support 301 by the elastic force of the limit spring 304 through the limit plate 305, so that the sliding support 301 and the inner limit frame 302 are restricted and fixed to prevent sliding. The limit spring 304 is pressed by sliding the limit plate 305 in the limit box 303, and the limit pin 306 is taken out of the sliding support 301, so that the sliding support 301 can be taken out of the inner limit frame 302 to overhaul the laser deflectometer 204.

[0030] The protective door 403 is fixed to the protective housing 401 by an electronic lock 404, thereby providing protection for the internal equipment to prevent the equipment from being damaged by the external environment. The glass window 405 facilitates the laser penetrating device of the laser deflectometer 204 to inspect the bridge.

[0031] Through the above steps, the monitoring data is transmitted by the wireless transmission device 1, the deflection of the bridge is detected by the first detection component 2, and the bending deformation of the bridge under the load is detected. The inner support component 3 is used to provide support for the first detection component 2. By removing the inner support component 3 from the outer shell component 4, it is convenient to inspect and repair the first detection component 2. The outer shell component 4 is used to provide protection for the internal first detection component 2 and the second detection component 6 to prevent the external environment from corroding and damaging the equipment. The entire device is installed and fixed to the bridge through the installation component 5, and the second detection component 6 is used to detect the tiny vibrations of the bridge under dynamic load. The stabilization component 7 is used to make the device more stably installed to reduce and avoid the influence of the external environment on data monitoring.

[0032] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A real-time monitoring device for bridge deflection and vibration, comprising a wireless transmission device (1); characterized in that: The wireless transmission device (1) further comprises a first detection component (2), an inner support component (3), an outer shell component (4), a mounting component (5), a second detection component (6) and a stabilizing component (7); the first detection component (2) is arranged on the bottom surface of the wireless transmission device (1), the inner support component (3) is arranged on the bottom surface of the first detection component (2), the outer shell component (4) is arranged on the bottom surface of the inner support component (3), the mounting component (5) is arranged on the top surface of the outer shell component (4), the second detection component (6) is arranged on the bottom surface of the mounting component (5), and the stabilizing component (7) is arranged on the side surface of the outer shell component (4).

2. The real-time monitoring device for bridge deflection and vibration according to claim 1 is characterized in that: The first detection component (2) comprises a circuit base plate (201), a storage battery (202), a real-time monitoring device (203) and a laser deflectometer (204); the circuit base plate (201) is arranged on the bottom surface of the wireless transmission device (1), the circuit base plate (201) is electrically connected to the wireless transmission device (1), the storage battery (202) is arranged on the side of the circuit base plate (201), the real-time monitoring device (203) is arranged on the top surface of the circuit base plate (201), the real-time monitoring device (203) is electrically connected to the circuit base plate (201), and the laser deflectometer (204) is arranged on the top surface of the circuit base plate (201).

3. The real-time monitoring device for bridge deflection and vibration according to claim 2 is characterized in that: The inner support assembly (3) comprises a sliding support (301), an inner limit frame (302), a limit box (303), a limit spring (304), a limit plate (305) and a limit plug (306); the bottom surface of the circuit base plate (201) is provided with a sliding support (301), the outer side of the sliding support (301) is provided with an inner limit frame (302), the side of the inner limit frame (302) is provided with a limit box (303), two groups of limit boxes (303) are provided, the inner side of the limit box (303) is provided with a limit spring (304), the other end of the limit spring (304) is provided with a limit plate (305), the side of the limit plate (305) is provided with a limit plug (306), and the limit plug (306) is provided inside the sliding support (301).

4. The real-time monitoring device for bridge deflection and vibration according to claim 3 is characterized in that: The housing component (4) comprises a protective housing (401), a rotating shaft (402), a protective door (403), an electronic lock (404) and a glass window (405); the bottom surface of the sliding support (301) is provided with the protective housing (401), the side surface of the protective housing (401) is provided with a rotating shaft (402), the outer side of the rotating shaft (402) is provided with a protective door (403), the side surface of the protective door (403) is provided with an electronic lock (404), and the side surface of the protective door (403) is provided with a glass window (405).

5. The real-time monitoring device for bridge deflection and vibration according to claim 4 is characterized in that: The mounting assembly (5) comprises a mounting top plate (501), mounting holes (502) and a rubber pad (503); the top surface of the protective housing (401) is provided with a mounting top plate (501), the top surface of the mounting top plate (501) is provided with mounting holes (502), four groups of mounting holes (502) are provided, and the top surface of the mounting top plate (501) is provided with a rubber pad (503).

6. The real-time monitoring device for bridge deflection and vibration according to claim 5 is characterized in that: The second detection component (6) comprises a mounting bracket (601), a vibration sensor (602) and a fixing bolt (603); the bottom surface of the mounting top plate (501) is provided with a mounting bracket (601), four groups of mounting brackets (601) are provided, a vibration sensor (602) is provided on the side of the mounting bracket (601), the vibration sensor (602) is slidably connected to the mounting bracket (601), a fixing bolt (603) is provided on the side of the vibration sensor (602), two groups of fixing bolts (603) are provided, and the fixing bolts (603) are threadedly connected to the mounting bracket (601).

7. The real-time monitoring device for bridge deflection and vibration according to claim 4 is characterized in that: The stabilizing component (7) comprises a stabilizing support (701), a stabilizing mounting plate (702) and a fixing hole (703); the stabilizing support (701) is arranged on the side of the protective shell (401), and two groups of stabilizing support (701) are arranged; the top surface of the stabilizing support (701) is arranged with a stabilizing mounting plate (702), and the top surface of the stabilizing mounting plate (702) is provided with a fixing hole (703), and four groups of fixing holes (703) are arranged.

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