Bridge bottom sensor mounting device based on unmanned aerial vehicle

Abstract

The utility model belongs to the field of engineering detection (monitoring), and discloses a bridge bottom sensor mounting device based on an unmanned aerial vehicle, which comprises the unmanned aerial vehicle, a telescopic rod, a supporting plate, a sensor and the like. The bottom of the telescopic rod is fixed above the unmanned aerial vehicle, the top of the telescopic rod is connected with the supporting plate through a spherical hinge support, and the supporting plate is provided with a sensor mounting support used for being connected with a sensor. The top of the sensor is provided with a double-sided adhesive and a structural adhesive to enhance the adhesive force. A round pipe, a spring and a round rod are arranged in the telescopic rod, and the telescopic function is achieved. The bottom of the supporting plate is designed to be a spherical hinge joint support and hinged to the top of the telescopic rod in a spherical mode, a groove and a U-shaped clamping groove are formed in the top of the supporting plate, and sensor installation and cable penetrating are facilitated. The sensor is clamped in the supporting plate groove through the mounting support, the structural adhesive is located in the center of the sensor, and the double-faced adhesive tape surrounds the periphery. According to the device, the nano strong double-faced adhesive tape with strong bonding force and the AB adhesive with short solidification time are adopted, so that the sensor is stably mounted at the bottom of the bridge, and the mounting efficiency and accuracy are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to engineering detection (monitoring) field discloses a bridge bottom sensor installation device based on unmanned plane. BACKGROUND

[0002] In the field of engineering detection and monitoring, various detection projects have an increasing demand for precise and efficient data collection, and the installation of monitoring sensors plays a crucial role. For example, in bridge static load testing, strain gauges and crack meters need to be accurately installed at the bottom of the bridge, especially in cases where cracks have been found, to monitor the structural response and crack development of the bridge under static load in real time, providing scientific basis for safety evaluation and maintenance of the bridge.

[0003] However, traditional sensor installation methods face many challenges. Usually, professional equipment such as bridge inspection vehicles or aerial lifts are needed to install sensors at the bottom of the bridge through manual operation. The rental cost of these professional equipment is high, which undoubtedly increases the cost burden of the project. More troublesome is that in many actual scenarios, due to the narrow space and complex environment around the bridge, bridge inspection vehicles or aerial lifts often cannot enter the work area, causing installation work to be hindered.

[0004] In order to overcome this problem, engineers have to resort to setting up multiple scaffolds to manually install sensors. This method not only consumes time and effort, but also has low efficiency, and high-altitude operation itself poses a great safety hazard to the lives of workers. Therefore, there is an urgent need for a novel, safe and efficient sensor installation method. UTILITY MODEL CONTENT

[0005] To solve the above problems, the utility model discloses a bridge bottom sensor installation device based on unmanned plane, aiming to realize the rapid, safe and accurate installation of sensors at the bottom of the bridge through unmanned plane technology.

[0006] The technical solution of the utility model is as follows:

[0007] A bridge bottom sensor installation device based on unmanned plane, comprising an unmanned plane, an extension rod, a supporting plate, a sensor, a circular tube, a spring, a circular rod, double-sided adhesive tape, structural adhesive, and a sensor installation support;

[0008] The bottom of the extension rod is fixed to the top of the unmanned plane, and the top of the extension rod is connected to the supporting plate using a ball hinge support. The supporting plate is connected to the sensor installation support at the bottom of the sensor. The top of the sensor is provided with double-sided adhesive tape and structural adhesive.

[0009] The telescopic rod comprises a round pipe, a spring and a round rod; the top of the round rod is spherical, and a spring baffle is arranged below the sphere; the upper end and the lower end of the spring are fixed with the spring baffle of the round rod and the round pipe respectively.

[0010] Further, the above-mentioned bridge bottom sensor installation device based on a UAV, the bottom of the supporting plate is a spherical hinge joint node support, which can be hingedly connected with the top spherical joint of the telescopic rod; so that the supporting plate can rotate within a certain range, and the damping force of the node rotation can be adjusted by screwing the nut of the node.

[0011] Further, the above-mentioned bridge bottom sensor installation device based on a UAV, the top of the supporting plate is provided with two grooves and a "U"-shaped clamping groove; the two grooves are used to clamp the mounting support of the sensor, so as to prevent the horizontal displacement of the sensor relative to the supporting plate; the "U"-shaped clamping groove is used to pass the cable and block the sensor, so as to prevent the sensor from being pulled by the cable.

[0012] Further, the above-mentioned bridge bottom sensor installation device based on a UAV, the sensor is connected with a cable, and the cable passes through the "U"-shaped clamping groove at the top of the supporting plate.

[0013] Further, the above-mentioned bridge bottom sensor installation device based on a UAV, the sensor mounting support of the sensor is clamped in the two grooves at the top of the supporting plate.

[0014] Further, the above-mentioned bridge bottom sensor installation device based on a UAV, the structural glue of the sensor is arranged at the center of the sensor, and the double-sided adhesive tape is arranged around the sensor.

[0015] Further, the above-mentioned bridge bottom sensor installation device based on a UAV, the double-sided adhesive tape is a nano strong double-sided adhesive tape with strong adhesion, and the structural glue is AB glue with short solidification time.

[0016] The utility model discloses still install the sensor's method with above -mentioned device, including the following steps:

[0017] (1) according to monitoring scheme, the sensor installation position positioning is carried out on the spot.

[0018] (2) place the sensor on the supporting plate, and let the lower end of the mounting support of the sensor fall in the groove of the supporting plate, and the cable passes through the clamping groove of the supporting plate, while ensuring that the clamping groove of the supporting plate can just abut against the sensor;

[0019] (3) paste the double-sided adhesive tape and the structural glue on the upper end of the sensor mounting support, preferably, the double-sided adhesive tape is a nano strong double-sided adhesive tape with strong adhesion, and the structural glue is AB glue with short solidification time.

[0020] (4) Slowly control the unmanned aerial vehicle to fly below the predetermined position, rotate the unmanned aerial vehicle horizontally, adjust the sensor to the correct direction, slowly lift the unmanned aerial vehicle upwards, at this time, the sensor will be pressed tightly on the structure surface under the action of the elastic force of the telescopic rod, the double-sided adhesive on the sensor mounting support will bond the sensor to the structure surface, at this time, it is preferred to keep the unmanned aerial vehicle hovering for 3 minutes, and the structure adhesive is initially cured, if the unmanned aerial vehicle is lowered due to air flow or improper operation, at this time, the sensor will not fall under the action of the strong double-sided adhesive;

[0021] (5) After the structure adhesive is initially cured, the unmanned aerial vehicle slowly descends, at this time, the sensor is separated from the supporting plate, and the sensor is successfully mounted;

[0022] Compared with the prior art, the sensor mounting device has the following beneficial effects:

[0023] The utility model discloses a bridge bottom sensor mounting device based on unmanned aerial vehicle realizes the sensor installation in the position that personnel is difficult to reach, need not bridge inspection car or high -altitude car, project cost is reduced greatly and the safety risk of high -altitude operation is eliminated.

[0024] In the device design, the telescopic rod is combined with the supporting plate skillfully, and the sensor mounting support, double-sided adhesive and structure adhesive are applied, so that the stability and firmness of the sensor installation are ensured. The elastic force of the telescopic rod makes the sensor adhere to the structure surface, and the double-sided adhesive and structure adhesive provide strong adhesive force to prevent the sensor from falling off.

[0025] In addition, the ball hinge joint support and the top groove and the "U" type clamping groove design of the supporting plate realize the adjustment of the sensor installation angle and the functions of preventing displacement and cable pulling respectively, and the installation precision and efficiency are improved.

[0026] In conclusion, the utility model solves the problem of sensor installation in high-altitude difficult-to-reach position in a low-cost, low-risk and high-efficiency manner, and provides a reliable technical means for structure health monitoring. ACCURACY

[0027] Fig. 1 It is a sensor mounting device structure field installation schematic view of the utility model;

[0028] Fig. 2 It is a sensor mounting device structure schematic view front view of the utility model;

[0029] Fig. 3 It is a sensor mounting device structure schematic view side view of the utility model;

[0030] Fig. 4 It is a sensor mounting device structure schematic view plan view of the utility model;

[0031] Fig. 5 Figure is a schematic view of the telescopic rod 2 structure;

[0032] Fig. 6 Figure is a schematic view of the sensor 5 installation support double-sided adhesive and structural adhesive application;

[0033] In the figure: 1 - unmanned aerial vehicle, 2 - telescopic rod, 3 - support plate, 4 - sensor, 5 - cable, 6 - bridge, 2-1 - round pipe, 2-2 - spring, 2-3 - round rod, 4-1 - double-sided adhesive, 4-2 - structural adhesive, 4-3 - sensor installation support. DETAILED DESCRIPTION

[0034] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0035] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0036] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more, unless otherwise explicitly limited.

[0037] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0039] Example 1

[0040] like Figs. 1-6 The bridge bottom sensor installation device shown in the figure is based on a drone, including a drone 1, a telescopic rod 2, a support plate 3, a sensor 4, a round tube 2-1, a spring 2-2, a round rod 2-3, a double-sided tape 4-1, a structural adhesive 4-2, and a sensor mounting bracket 4-3;

[0041] The bottom of the telescopic rod 2 is fixed to the top of the drone 1, and the top of the telescopic rod 2 is connected to the support plate 3 using a ball hinge support. The support plate 3 is connected to the sensor mounting support 4-3 at the bottom of the sensor 4; the top of the sensor 4 is provided with double-sided tape 4-1 and structural adhesive 4-2;

[0042] The telescopic rod 2 includes a round tube 2-1, a spring 2-2, and a round rod 2-3; the top of the round rod 2-3 is spherical, and a spring baffle is provided below the sphere; the upper and lower ends of the spring 2-2 are respectively fixed to the spring baffle of the round rod 2-3 and the round tube 2-1.

[0043] The method for installing the sensor using the above device includes the following steps:

[0044] (1) According to the monitoring plan, the installation position of sensor 4 is located on site.

[0045] (2) Place the sensor 4 on the support plate 3, and let the lower end of the mounting bracket 4-3 of the sensor 4 fall into the groove of the support plate 3. Pass the cable 5 through the slot of the support plate 3, and ensure that the slot of the support plate 3 can just support the sensor 4.

[0046] (3) Paste double-sided tape 4-1 and structural adhesive 4-2 on the upper end of the sensor mounting bracket 4-3. Preferably, the double-sided tape is a nano-strength double-sided tape with strong bonding strength, and the structural adhesive is an AB glue with a short setting time;

[0047] (4) Slowly control the drone 1 to fly to the bottom of the predetermined position, rotate the drone 1 horizontally, adjust the sensor to the correct direction, and slowly lift the drone 1 upward. At this time, the sensor 4 will be tightly pressed against the surface of the structure 6 by the elastic force of the telescopic rod 2. The double-sided tape 4-1 on the sensor mounting bracket 4-3 will adhere the sensor 4 to the surface of the structure 6. At this time, it is preferred to keep the drone 1 hovering for 3 minutes until the structural adhesive 4-2 is initially solidified. If the drone 1 falls due to airflow or improper operation, the sensor 4 will not fall off under the action of the strong double-sided tape 4-1.

[0048] (5) After the structural adhesive 4-2 is initially solidified, the drone 1 slowly descends. At this time, the sensor 4 is separated from the support plate 3, and the sensor 4 is successfully installed.

[0049] Example 2

[0050] like Figs. 1-6 The bridge bottom sensor installation device shown in the figure is based on a drone, including a drone 1, a telescopic rod 2, a support plate 3, a sensor 4, a round tube 2-1, a spring 2-2, a round rod 2-3, a double-sided tape 4-1, a structural adhesive 4-2, and a sensor mounting bracket 4-3;

[0051] The bottom of the telescopic rod 2 is fixed to the top of the drone 1, and the top of the telescopic rod 2 is connected to the support plate 3 using a ball hinge support. The support plate 3 is connected to the sensor mounting support 4-3 at the bottom of the sensor 4; the top of the sensor 4 is provided with double-sided tape 4-1 and structural adhesive 4-2;

[0052] The telescopic rod 2 includes a round tube 2-1, a spring 2-2, and a round rod 2-3; the top of the round rod 2-3 is spherical, and a spring baffle is arranged under the sphere; the upper and lower ends of the spring 2-2 are fixed to the spring baffle of the round rod 2-3 and the round tube 2-1 respectively; preferably, the bottom of the support plate 3 is a ball hinge node support, which can be hinged with the round ball at the top of the telescopic rod 2; in particular, there are two grooves and a "U"-shaped slot on the top of the support plate 3; further, the sensor 4 is connected to a cable 5, and the cable passes through the "U"-shaped slot at the top of the support plate 3; further, the sensor mounting bracket 4-3 of the sensor 4 is clamped in the two grooves at the top of the support plate 3; in particular, the structural glue 4-2 of the sensor 4 is arranged at the center of the sensor 4, and the double-sided glue 4-1 is arranged around the sensor 4; further, the double-sided glue 4-1 is a nano-strong double-sided glue with strong adhesion, and the structural glue 4-2 is an AB glue with a short setting time.

[0053] The method for installing the sensor using the above device includes the following steps:

[0054] (1) According to the monitoring plan, the installation position of sensor 4 is located on site.

[0055] (2) Place the sensor 4 on the supporting plate 3, and let the lower end of the mounting support 4-3 of the sensor 4 fall in the groove of the supporting plate 3, and let the cable 5 pass through the clamping groove of the supporting plate 3, while ensuring that the clamping groove of the supporting plate 3 can just abut against the sensor 4;

[0056] (3) Paste the double-sided adhesive tape 4-1 and the structural adhesive 4-2 on the upper end of the sensor mounting support 4-3, preferably, the double-sided adhesive tape is a nano-powerful double-sided adhesive tape with strong bonding force, and the structural adhesive is an AB adhesive with short solidification time;

[0057] (4) Slowly control the unmanned aerial vehicle 1 to fly below the predetermined position, horizontally rotate the unmanned aerial vehicle 1, adjust the sensor to the correct direction, and slowly lift the unmanned aerial vehicle 1 upward, at this time, the sensor 4 will be tightly pressed on the surface of the structure 6 under the elastic force of the telescopic rod 2, the double-sided adhesive tape 4-1 on the sensor mounting support 4-3 will bond the sensor 4 on the surface of the structure 6, at this time, it is preferred to keep the unmanned aerial vehicle 1 hovering for 3 minutes, and wait for the structural adhesive 4-2 to be initially solidified, if the unmanned aerial vehicle 1 is lowered due to air flow or improper operation, at this time, the sensor 4 will not fall under the action of the powerful double-sided adhesive tape 4-1;

[0058] (5) After the structural adhesive 4-2 is initially solidified, the unmanned aerial vehicle 1 slowly descends, at this time, the sensor 4 is separated from the supporting plate 3, and the sensor 4 is successfully mounted.

[0059] The above is only a preferred embodiment of the present application, and cannot limit the protection scope of the present application, that is, any simple equivalent changes and modifications made according to the claims and contents of the present application still belong to the protection scope of the present application.

Claims

1. A bridge bottom sensor installation device based on drone, characterized in that: It includes a drone (1), a telescopic rod (2), a support plate (3), a sensor (4), a round tube (2-1), a spring (2-2), a round rod (2-3), a double-sided adhesive tape (4-1), a structural adhesive (4-2), and a sensor mounting bracket (4-3); The bottom of the telescopic rod (2) is fixed to the top of the drone (1), the top of the telescopic rod (2) is connected to the support plate (3) by a ball hinge support, and the support plate (3) is connected to a sensor mounting support (4-3) at the bottom of the sensor (4); the top of the sensor (4) is provided with a double-sided adhesive tape (4-1) and a structural adhesive tape (4-2); The telescopic rod (2) comprises a round tube (2-1), a spring (2-2), and a round rod (2-3); the top of the round rod (2-3) is spherical, and a spring baffle is provided below the sphere; the upper end and the lower end of the spring (2-2) are respectively fixed to the spring baffle of the round rod (2-3) and the round tube (2-1).

2. The bridge bottom sensor installation device based on drone according to claim 1 is characterized in that: The bottom of the support plate (3) is a ball hinge node support, which can be hinged to the top ball of the telescopic rod (2).

3. The bridge bottom sensor installation device based on drone according to claim 1 is characterized in that: There are two grooves and a "U"-shaped slot on the top of the support plate (3).

4. The bridge bottom sensor installation device based on drone according to claim 3 is characterized in that: The sensor (4) is connected to a cable (5), which passes through a "U"-shaped slot on the top of the support plate (3).

5. The bridge bottom sensor installation device based on drone according to claim 3 is characterized in that: The sensor mounting support (4-3) of the sensor (4) is clamped in two grooves on the top of the support plate (3).

6. The bridge bottom sensor installation device based on drone according to claim 1 is characterized in that: The structural adhesive (4-2) of the sensor (4) is arranged at the center of the sensor (4), and the double-sided adhesive (4-1) is arranged around the sensor (4).

7. The bridge bottom sensor installation device based on drone according to claim 1 is characterized in that: The double-sided adhesive (4-1) is a nano strong double-sided adhesive with strong bonding force, and the structural adhesive (4-2) is an AB adhesive with a short solidification time.

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