Data transmission device for bridge health monitoring system

Abstract

The utility model discloses a data transmission device for a bridge health monitoring system, which relates to the technical field of bridge monitoring and comprises a protection box and an assembly frame group, a lifting mechanism is arranged in the protection box, a transmission device group is mounted in the center of the lifting mechanism, and a sealing cover assembly is mounted at the top of the protection box. And the assembly frame group is connected to the outer part of the protection box. According to the data transmission device for the bridge health monitoring system, the assembly frame group is used, the device can be selectively fixed and installed to the maximum extent according to the assembly position, meanwhile, the whole assembly frame group is matched with the protection box, structural protection can be provided for the transmission device group to the maximum extent, damage caused by external factors is avoided, and the service life of the transmission device group is prolonged. And in addition, by using the lifting mechanism, effective lifting adjustment can be provided for the conveying device set according to different external environment climates, and the conveying device can be stored and protected in cooperation with the sealing cover assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge monitoring, in particular to a data transmission device for a bridge health monitoring system. Background Art

[0002] The basic connotation of bridge health monitoring is to monitor and evaluate the condition of bridge structures, issue early warning signals when bridges are in special climate and traffic conditions or when the bridge operation conditions are abnormally serious, and provide a basis and guidance for bridge maintenance and management decisions;

[0003] The sensors are permanently deployed on the bridge and connected together through corresponding technologies to form a sensor subsystem. The data collection of each sensor is dynamically and real-timely issued by the central control system of the health monitoring system to trigger the switch of the sensor and realize data collection. The collected data is directly and automatically entered into the health monitoring central database through the data communication system of the system under the operation of the data transmission device. The bridge management department and customers can remotely access the central database through the network and conduct health diagnosis.

[0004] Since conventional data transmission devices are directly installed on the surface of the bridge and are exposed to the outdoor environment for a long time, they are subject to different environments in different regions. The data transmission devices will encounter various different climatic environments and various possible external influences, which will negatively affect the operating status and service life of the entire data transmission device.

[0005] Therefore, in view of this, the existing structure and defects are studied and improved, and a data transmission device for a bridge health monitoring system is proposed. Utility Model Content

[0006] The purpose of the utility model is to provide a data transmission device for a bridge health monitoring system to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a data transmission device for a bridge health monitoring system, comprising a protective box and an assembly frame group, a lifting mechanism is arranged inside the protective box, and a transmission device group is installed in the center of the lifting mechanism, a cover assembly is installed on the top of the protective box, and the assembly frame group is connected to the outside of the protective box, the assembly frame group comprises a support base, a first fixing bolt, a side frame, a support pile and a second fixing bolt, the left and right ends of the support base are both threadedly installed with the first fixing bolt, and the left and right sides of the support base are symmetrically connected with the side frames, and the upper and lower ends of the side frames are symmetrically provided with support piles, and the middle of the support piles is threadedly installed with the second fixing bolt.

[0008] Furthermore, the lifting mechanism includes a support bracket, a heat conduction base, lifting sliders, and guide rods. A heat conduction base is installed on the top surface of the support bracket, and lifting sliders are symmetrically installed on the left and right sides of the bottom of the support bracket. Moreover, guide rods vertically penetrate through the middle sections of the lifting sliders.

[0009] Furthermore, the guide rods are slidably connected to the lifting sliders, and the support bracket has the mobility to move up and down along the surface of the guide rods through the lifting sliders. Moreover, the guide rods are fixed to the inner wall surface of the protection box.

[0010] Furthermore, the transmission device group includes a wireless transmission host, side protection plates, heat sinks, and signal amplifiers. Side protection plates are provided on the left and right side surfaces of the wireless transmission host, heat sinks are attached to the front and back side surfaces of the wireless transmission host, and a signal amplifier is vertically installed on the top of the wireless transmission host.

[0011] Furthermore, the cover assembly includes a left cover plate, a lower docking groove, a lower clamping block, and a right cover plate. A lower docking groove is provided at one end of the left cover plate, a lower clamping block is provided on the side of the lower docking groove away from the left cover plate, and a right cover plate is connected to the side of the lower clamping block away from the left cover plate.

[0012] Furthermore, the cover assembly further includes an upper docking groove, an upper clamping block, and an electric shaft. An upper docking groove is formed on the side of the right cover plate close to the left cover plate, an upper clamping block is provided at the end of the upper docking groove away from the right cover plate, and electric shafts are installed at one ends of the left cover plate and the right cover plate where they are connected to the protection box.

[0013] Furthermore, the left cover plate and the right cover plate have the same structure, the surface structures of the lower docking groove and the upper clamping block match each other, and the surface structures of the lower clamping block and the upper docking groove match each other.

[0014] Furthermore, the support base and the side frame are connected in a "U" - shaped structure, and the support pile and the side frame are of an integral structure.

[0015] The present utility model provides a data transmission device for a bridge health monitoring system, having the following beneficial effects:

[0016] 1. The utility model, wherein the whole device can be vertically fixed on the installation structure surface by the support base and the first fixing bolts on the left and right sides to maintain stability, and the side frames vertically connected to the left and right sides of the support base, with the use of the support piles and the second fixing bolts symmetrically installed up and down, can be fixed on the vertical structure surface of the bridge in the form of wall hanging, and can also be fixed between the clamped walls. The above structure can maximize the flexibility of the installation of the whole device to suit different installation scenarios. In addition, the combination of the support base and the side frames can assist the protective box to provide effective external protection for the whole transmission device group as much as possible to avoid damage caused by external factors.

[0017] 2. The utility model provides a lifting mechanism inside the protective box, so that the transmission device group fixed in the middle of the supporting frame can be translated up and down in the vertical direction along the surface of the guide rod under the operation of the lifting slider, and at the same time, with the use of the covering assembly, it can provide effective protection for the use of the transmission device group in rainy weather. In relatively hot weather, the transmission device group is lifted out of the interior of the protective box, and with the assistance of the thermal seat and the heat sink, a good heat dissipation effect is provided for the wireless transmission host to avoid overload due to excessive heat.

[0018] 3. The utility model, through the use of the cover assembly and the use of the electric shaft, can cooperate with the operation of the lifting mechanism for coordinated adjustment, so that the left cover plate and the right cover plate can be folded up and down in the vertical direction respectively, and the lower clamping block and the right cover plate provided on the side surface of the lower docking groove can be inserted and docked with the upper docking groove and the upper clamping block of the corresponding structure on the side surface of the right cover plate, so that the left cover plate and the right cover plate have sufficient stability and support after being closed and docked, and cooperate with the protective box to form a complete storage and protection structure to protect the transmission device group and minimize damage to it caused by external factors. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a side view structural diagram of a bracket body for a data transmission device of a bridge health monitoring system according to the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of a lifting mechanism for a data transmission device of a bridge health monitoring system according to the utility model;

[0021] Figure 3 The utility model is a data transmission device for a bridge health monitoring system Figure 1 A is an enlarged structural diagram;

[0022] Figure 4 This is a schematic diagram of the structure of an assembly rack group for a data transmission device of a bridge health monitoring system according to the utility model;

[0023] Figure 5 This is a three-dimensional structural schematic diagram of the support base and side frame parts of a data transmission device for a bridge health monitoring system of the present utility model.

[0024] In the figure: 1. Protection box; 2. Lifting mechanism; 201. Bracket; 202. Heat conduction seat; 203. Lifting slider; 204. Guide rod; 3. Transmission device group; 301. Wireless transmission host; 302. Side guard plate; 303. Heat sink; 304. Signal amplifier; 4. Cover assembly; 401. Left cover plate; 402. Lower docking groove; 403. Lower clamping block; 404. Right cover plate; 405. Upper docking groove; 406. Upper clamping block; 407. Electric shaft; 5. Assembly frame group; 501. Support base; 502. First fixing bolt; 503. Side frame; 504. Support pile; 505. Second fixing bolt. Specific embodiments

[0025] The following further describes in detail the embodiments of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0026] As Figures 1 to 4 shown, a data transmission device for a bridge health monitoring system includes a protection box 1 and an assembly frame group 5. An internal lifting mechanism 2 is provided inside the protection box 1, and a transmission device group 3 is installed in the center of the lifting mechanism 2. A cover assembly 4 is installed on the top of the protection box 1. The assembly frame group 5 is connected to the outside of the protection box 1. The assembly frame group 5 includes a support base 501, a first fixing bolt 502, a side frame 503, a support pile 504, and a second fixing bolt 505. The first fixing bolts 502 are threadedly installed at both the left and right ends of the support base 501, and the side frames 503 are symmetrically connected to both the left and right sides of the support base 501. Moreover, support piles 504 are symmetrically arranged at both the upper and lower ends of the side frame 503, and the second fixing bolt 505 is threadedly installed in the middle of the support pile 504. The support base 501 and the side frame 503 are connected in a "U" - shaped structure, and the support pile 504 and the side frame 503 are an integral structure. Through the support base 501 and the first fixing bolts 502 on both sides, the entire device can be vertically fixed to the installation structure surface to maintain stability. The side frames 503 vertically connected to both sides of the support base 501, in cooperation with the use of the support piles 504 and the second fixing bolts 505 symmetrically installed up and down, can be fixed to the vertical structure surface of the bridge in a wall - hanging manner or fixed between the sandwich walls.

[0027] The lifting mechanism 2 includes a support frame 201, a heat-conducting seat 202, a lifting slider 203 and a guide rod 204. The top surface of the support frame 201 is equipped with a heat-conducting seat 202, and the lifting sliders 203 are symmetrically installed on the left and right sides of the bottom of the support frame 201. The middle section of the lifting slider 203 is vertically penetrated by a guide rod 204. The guide rod 204 and the lifting slider 203 are slidably connected, and the support frame 201 has the mobility of moving up and down along the surface of the guide rod 204 through the lifting slider 203, and the guide rod 204 is fixed to the inner wall surface of the protective box 1. The transmission device group 3 includes a wireless transmission host 301, a side guard plate 302, Heat sink 303 and signal amplifier 304, side guard plates 302 are arranged on the left and right surfaces of the wireless transmission host 301, and heat sink 303 is attached to the front and rear surfaces of the wireless transmission host 301, and a signal amplifier 304 is vertically installed on the top of the wireless transmission host 301. By arranging a lifting mechanism 2 inside the protective box 1, the transmission device group 3 fixed in the middle of the supporting bracket 201 can be vertically translated up and down along the surface of the guide rod 204 under the operation of the lifting slider 203, and at the same time, with the use of the covering assembly 4, effective protection can be provided for the use of the transmission device group 3 in rainy weather.

[0028] The cover assembly 4 includes a left cover plate 401, a lower docking groove 402, a lower clamping block 403 and a right cover plate 404. The left cover plate 401 is provided with a lower docking groove 402 at one end, and a lower clamping block 403 is provided on the side of the lower docking groove 402 away from the left cover plate 401, and the right cover plate 404 is connected to the side of the lower clamping block 403 away from the left cover plate 401. The cover assembly 4 also includes an upper docking groove 405, an upper clamping block 406 and an electric shaft 407. The right cover plate 404 is provided with an upper docking groove 405 on a side close to the left cover plate 401, and an upper clamping block 406 is provided on the end of the upper docking groove 405 away from the right cover plate 404, and the left cover plate 401 and the right cover plate 404 are both installed with an electric shaft 407 at one end connected to the protective box 1. 7. The left cover plate 401 and the right cover plate 404 have the same structure. The surface structures of the lower docking groove 402 and the upper clamping block 406 match each other. The surface structures of the lower clamping block 403 and the upper docking groove 405 match each other. By using the electric shaft 407, the operation of the lifting mechanism 2 can be coordinated and adjusted, so that the left cover plate 401 and the right cover plate 404 can be folded up and down in the vertical direction, respectively. The lower clamping block 403 and the right cover plate 404 set on one side of the lower docking groove 402 can be inserted and docked with the upper docking groove 405 and the upper clamping block 406 of the corresponding structure on one side of the right cover plate 404, so that the left cover plate 401 and the right cover plate 404 have sufficient stability and support after being closed and docked.

[0029] In summary, if Figures 1 to 5As shown, when the data transmission device for the bridge health monitoring system is used, firstly, a method for fixing and installing the entire device is selected according to the assembly requirements. The first fixing bolts 502 threadedly installed on the left and right sides of the support bracket 201 can be screwed into the pre-opened fixing holes, thereby vertically fixing the entire device on the horizontal installation surface, or the second fixing bolts 505 threadedly installed in the upper and lower supporting piles 504 of the side frame 503 on either side of the support base 501 can be selected and screwed into the pre-opened holes, thereby hanging the entire device on the vertical installation surface;

[0030] During the use of the entire transmission device group 3, it can be stored in the protective box 1 according to the external climate environment. When the temperature is too high, the lifting sliders 203 connected to the left and right sides of the bottom of the support frame 201 can be started to slide and lift the entire transmission device group 3 along the surface of the guide rod 204 in the vertical direction;

[0031] At the same time, the cover assembly 4 will also work synchronously and cooperatively, and the left cover plate 401 and the right cover plate 404 will be sequentially unfolded under the rotation of the electric shaft 407, so as to cause structural interference when the lifting mechanism 2 lifts the transmission device group 3, and the wireless transmission host 301 will quickly conduct the heat generated during operation to the outside world with the cooperation of the heat sink 303 on the front and rear surfaces and the heat conductive seat 202, and with the help of the signal amplifier 304, the wireless transmission host 301 will effectively perform wireless data transmission to ensure that the bridge monitoring data can be sent back to the monitoring center in real time, so that the staff can retrieve the data for analysis;

[0032] When it rains, under the operation of the lifting mechanism 2, the transmission device group 3 will be lowered to the inside of the entire protective box 1. At the same time, the left cover 401 will be closed first under the rotation of the electric shaft 407, and then the right cover 404 will be closed again under the rotation of the electric shaft 407, and the upper docking groove 405 and the upper clamping block 406 will be structurally docked with the lower docking groove 402 and the lower clamping block 403 respectively, so as to form an overall protective structure with the protective box 1 to protect the transmission device group 3.

[0033] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A data transmission device for a bridge health monitoring system, comprising a protection box (1) and an assembly frame set (5), characterized in that: The protective box (1) is provided with a lifting mechanism (2) inside, and a transmission device group (3) is installed in the center of the lifting mechanism (2); a cover assembly (4) is installed on the top of the protective box (1); the assembly frame group (5) is connected to the outside of the protective box (1); the assembly frame group (5) comprises a support base (501), a first fixing bolt (502), a side frame (503), a support pile (504) and a second fixing bolt (505); the first fixing bolt (502) is threadedly installed at both left and right ends of the support base (501), and the side frame (503) is symmetrically connected to the left and right sides of the support base (501); the support piles (504) are symmetrically arranged at the upper and lower ends of the side frame (503), and the second fixing bolt (505) is threadedly installed in the middle of the support pile (504).

2. The data transmission device for a bridge health monitoring system according to claim 1, characterized in that: The lifting mechanism (2) comprises a support frame (201), a heat-conducting seat (202), a lifting slider (203) and a guide rod (204); the heat-conducting seat (202) is installed on the top surface of the support frame (201), and the lifting sliders (203) are symmetrically installed on the left and right sides of the bottom of the support frame (201), and the guide rod (204) vertically penetrates the middle section of the lifting slider (203).

3. The data transmission device for a bridge health monitoring system according to claim 2, characterized in that: The guide rod (204) is slidably connected to the lifting slider (203), and the support frame (201) has the mobility of moving up and down along the surface of the guide rod (204) through the lifting slider (203), and the guide rod (204) is fixed to the inner wall surface of the protection box (1).

4. The data transmission device for a bridge health monitoring system according to claim 1, characterized in that: The transmission device group (3) comprises a wireless transmission host (301), a side guard plate (302), a heat sink (303) and a signal amplifier (304); the left and right surfaces of the wireless transmission host (301) are provided with side guard plates (302); the front and rear surfaces of the wireless transmission host (301) are covered with heat sinks (303); and the top of the wireless transmission host (301) is vertically mounted with a signal amplifier (304).

5. The data transmission device for a bridge health monitoring system according to claim 1, characterized in that: The cover assembly (4) comprises a left cover plate (401), a lower docking groove (402), a lower clamping block (403) and a right cover plate (404); one end of the left cover plate (401) is provided with the lower docking groove (402), a side of the lower docking groove (402) away from the left cover plate (401) is provided with the lower clamping block (403), and a side of the lower clamping block (403) away from the left cover plate (401) is connected to the right cover plate (404).

6. The data transmission device for a bridge health monitoring system according to claim 5, characterized in that: The cover assembly (4) further comprises an upper docking groove (405), an upper clamping block (406) and an electric shaft (407); the upper docking groove (405) is provided on a side of the right cover plate (404) close to the left cover plate (401); an upper clamping block (406) is provided on an end of the upper docking groove (405) away from the right cover plate (404); and the electric shaft (407) is installed on both ends of the left cover plate (401) and the right cover plate (404) connected to the protective box (1).

7. The data transmission device for a bridge health monitoring system according to claim 6, characterized in that: The left cover plate (401) has the same structure as the right cover plate (404), and the surface structures of the lower docking groove (402) and the upper clamping block (406) match each other, and the surface structures of the lower clamping block (403) and the upper docking groove (405) match each other.

8. The data transmission device for a bridge health monitoring system according to claim 1, characterized in that: The support base (501) and the side frame (503) are connected in a "U" - shaped structure, and the support pile (504) and the side frame (503) are of an integral structure.

Images