CN214475386U - Risk control and early warning device and construction under-bridge early warning system - Google Patents
Risk control and early warning device and construction under-bridge early warning system Download PDFInfo
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- CN214475386U CN214475386U CN202120571820.1U CN202120571820U CN214475386U CN 214475386 U CN214475386 U CN 214475386U CN 202120571820 U CN202120571820 U CN 202120571820U CN 214475386 U CN214475386 U CN 214475386U
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Abstract
The utility model relates to a bridge construction early warning, concretely relates to risk control and early warning device and construction under-bridge early warning system, risk control and early warning device, include: a monitoring module comprising an ultrasonic range finder for placement under a bridge; a remote control module in communication with the monitoring module; the early warning module is in communication connection with the remote control module; the monitoring module comprises at least four ultrasonic range finders; at least two ultrasonic distance meters are respectively arranged on the two opposite piers, and the at least two ultrasonic distance meters are arranged in opposite directions; at least one ultrasonic ranging appearance sets up in bridge roof beam body downside, and at least one ultrasonic ranging appearance sets up on subaerial. And the utility model discloses utilized a plurality of ultrasonic ranging appearance to mutually support and formed the monitoring system, adopted the distance measurement principle, realized real-time protection to underbridge safety headroom, the principle is simple, and the cost is lower.
Description
Technical Field
The utility model relates to a bridge construction early warning, concretely relates to risk control and early warning device and construction under-bridge early warning system.
Background
With the rapid development of the national transportation industry, the construction projects of the underpass high-speed railway are more and more, and the underpass construction has more and more serious safety risks to the existing high-speed railway, particularly to a bridge. The underpass construction not only can meet the controllable influence on the settlement of the bridge pier, the smoothness of the rail surface and the like, but also can meet the construction requirement of the underpass clearance. The existing construction technology generally carries out manual measurement according to relevant specifications, determines the range of a railway safety affected area, sets facilities such as a temporary protection net rack to ensure construction safety, needs to dismantle the temporary protection facilities after construction, has uncontrollable factors such as complex geological environment and rainfall in the construction process, often needs to change the protection facilities for reinstallation, can increase the input of manpower and material resources, increases the construction cost, and also can not control the construction risk in real time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a to wearing under the bridge to construct risk control and early warning device that provides better early warning.
In order to achieve the above object, the technical scheme adopted by the present application is a risk control and early warning device, including:
the monitoring module comprises an ultrasonic distance meter arranged under the bridge and used for monitoring an object under the bridge;
the remote control module is in communication connection with the monitoring module and is used for receiving the monitoring signals of the ultrasonic distance meter, analyzing the monitoring signals and sending instructions to the ultrasonic distance meter;
the early warning module is in communication connection with the remote control module and is used for receiving a command of the remote control module and sending an alarm according to the command;
the monitoring module comprises at least four ultrasonic range finders; the at least two ultrasonic distance measuring instruments are respectively arranged on the two opposite piers and are arranged oppositely to receive the ultrasonic waves transmitted by each other or the reflected ultrasonic waves; at least one ultrasonic ranging appearance sets up in bridge girder body downside for send the ultrasonic wave and receive reflection ultrasonic wave to the ground under the bridge, at least one ultrasonic ranging appearance sets up subaerially.
The utility model realizes the under-bridge safety control and alarm function of under-bridge high-speed railway construction, and realizes two functions of under-bridge safety clearance intrusion alarm and pier overlarge settlement alarm by arranging the ultrasonic distance measuring instruments under the bridge body and on the pier; present high-speed railway bridge construction of wearing down sets up protection rack or other pile slabs and keeps apart protective structure according to the safe influence area of railway, is difficult for tearing open and trades and the cost is higher, and the utility model discloses utilize a plurality of ultrasonic ranging appearance to mutually support and form the monitoring system, adopted the distance measurement principle, realize real-time protection to the safe headroom under the bridge, the principle is simple, and the cost is lower.
The remote control module comprises a data analysis module for processing the received signal and a control module for sending instructions to the ultrasonic distance meter and the early warning module according to the analysis result of the data analysis module; the data analysis module is in wireless communication connection with the monitoring module and the early warning module respectively.
Further, the early warning module comprises an acousto-optic alarm for emitting sound signals or light signals after receiving the instruction emitted by the control module.
Further, the early warning module comprises a mobile terminal, and the mobile terminal is in communication connection with the data analysis module and is used for receiving the instruction sent by the data analysis module and then sending out alarm information.
The utility model also provides a construction underbridge early warning system with better early warning effect, including the bridge, this bridge includes the bridge roof beam body and pier, the bridge roof beam body downside sets up the ultrasonic ranging appearance of above-mentioned risk control and early warning device, and one side that two piers are opposite to each other sets up at least one ultrasonic ranging appearance; at least one ultrasonic distance meter positioned on the ground is arranged outside the bridge.
The prior art sets up protective device to the under-bridge headroom is simple, and pier settlement is simple monitoring only to monitoring range is comparatively limited, adopts this construction under-bridge early warning system, makes and carries out more abundant real-time warning, simple structure, operation simple to operate when the foreign matter invades the bridge safety influence zone time in the work progress.
Furthermore, the projection distance between the ultrasonic distance meter arranged on the ground and the bridge to the ground is more than or equal to 5 m.
Furthermore, the distance between the ultrasonic distance measuring instrument on the lower side of the bridge girder body and the side wall of the pier is more than 3 m.
Furthermore, the acousto-optic alarm of the risk control and early warning device is arranged in a sphere with the radius of 0-20m and the central point of the projection from the bridge beam body provided with the ultrasonic distance meter to the ground.
The present invention will be further described with reference to the accompanying drawings and the detailed description. Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description. Or may be learned by practice of the invention.
Drawings
The accompanying drawings, which form a part of the disclosure, are included to assist in understanding the disclosure, and the description provided herein and the accompanying drawings, which are related thereto, are intended to explain the disclosure, but do not constitute an undue limitation on the disclosure.
In the drawings:
fig. 1 is a schematic diagram for explaining a risk control and early warning device of the present invention;
FIG. 2 is a schematic diagram illustrating the under-bridge pre-warning system of the present invention;
the labels in the figure are: the system comprises a monitoring module 1, an ultrasonic range finder 101, a fixed frame 102, a remote control module 2, a data analysis module 201, a control module 202, an early warning module 3, an acousto-optic alarm 301, a mobile terminal 302, a wireless transmission module 4, a bridge pier 100 and a bridge body 200.
Detailed Description
The present invention will be described more fully with reference to the accompanying drawings. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Before the present invention is described with reference to the accompanying drawings, it is to be noted that:
the technical solutions and features provided in the present invention in each part including the following description may be combined with each other without conflict.
Moreover, the embodiments of the invention described in the following description are generally only examples of a subset of the invention, and not all examples. Therefore, all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.
With respect to the terms and units of the present invention. The term "comprises" and any variations thereof in the description and claims of this invention and the related art are intended to cover non-exclusive inclusions.
Referring to fig. 1, a risk control and early warning device comprises a monitoring module 1, a remote control module 2 and an early warning module 3, wherein the monitoring module 1 comprises an ultrasonic distance meter 101 arranged under a bridge and used for monitoring objects under the bridge; the remote control module 2 is in communication connection with the monitoring module 1 and is used for receiving monitoring signals of the ultrasonic distance meter 101, analyzing the monitoring signals and sending instructions to the ultrasonic distance meter 101; the early warning module 3 is in communication connection with the remote control module 2 and is used for receiving the instruction of the remote control module 2 and giving an alarm according to the instruction; the monitoring module 1 comprises five ultrasonic range finders 101; the two ultrasonic distance meters 101 are respectively arranged on the two opposite piers 100, and the two ultrasonic distance meters 101 are oppositely arranged and used for receiving ultrasonic waves transmitted by each other or reflected ultrasonic waves; two ultrasonic ranging instruments 101 are arranged on the lower side of the bridge body 200 and used for sending ultrasonic waves to the ground under the bridge and receiving reflected ultrasonic waves, and one ultrasonic ranging instrument 101 is arranged on the ground.
The ultrasonic distance measuring instruments 101 are arranged below the bridge body 200 and on the bridge pier 100, so that two functions including an alarm for the safe clearance invasion under the bridge and an alarm for the excessive settlement of the bridge pier 100 are realized; present under wear high-speed railway bridge construction, according to the safe influence area of railway, set up protection rack or other pile slabs and keep apart protective structure, be difficult for tearing open and trade and the cost is higher, and the utility model discloses utilize ultrasonic ranging appearance 101's function, adopt the distance measurement principle, realize real-time protection to underbridge safety headroom, the principle is simple, and the cost is lower.
The remote control module 2 comprises a data analysis module 201 for processing the received signals and a control module 202 for sending instructions to the ultrasonic distance meter 101 and the early warning module 3 according to the analysis result of the data analysis module 201; the data analysis module 201 is in wireless communication connection with the monitoring module 1 and the early warning module 3 respectively. The processing of the monitoring data of the ultrasonic distance measuring instrument 101 is communicated in a wireless mode, so that the arrangement can be more flexible when the remote control module 2 is set according to actual conditions. The early warning module 3 comprises an audible and visual alarm 301 for emitting an audible signal or an optical signal after receiving the instruction emitted by the control module 202. Here, an acoustic or optical signal is used for directly warning the constructor or the field personnel. The early warning module 3 comprises a mobile terminal 302, and the mobile terminal 302 is in communication connection with the data analysis module 201 and is used for receiving the instruction sent by the data analysis module 201 and then sending out warning information. The mobile terminal 302 may be a mobile phone of a constructor or an operator, etc.
As shown in fig. 2, the risk control and early warning device is adopted, and a construction underbridge early warning system with a good early warning effect comprises a bridge, wherein the bridge comprises a bridge girder 200 and piers 100, the ultrasonic distance meters 101 of the risk control and early warning device are arranged on the lower side of the bridge girder 200, and at least one ultrasonic distance meter 101 is arranged on each of opposite sides of the two piers 100; at least one ultrasonic distance meter 101 is arranged outside the bridge and is positioned on the ground.
The prior art sets up protective device to the under-bridge headroom is simple, and pier 100 subsides and only simply monitors to monitoring range is comparatively limited, adopts this construction under-bridge early warning system, makes and carries out more abundant real-time warning, simple structure, operation simple to operate when the foreign matter invades the bridge safety influence zone time in the work progress.
The projection distance between the ultrasonic distance measuring instrument 101 arranged on the ground and the bridge to the ground is more than or equal to 5m, so that the ultrasonic distance measuring instrument 101 arranged on the ground can not receive and transmit signals too much and can not be interfered by construction, and the use safety of the ultrasonic distance measuring instrument 101 is also guaranteed. Ultrasonic distance measuring instrument 101 of bridge girder body 200 downside is more than 3m from the lateral wall of pier 100 to the escape canal of guarantee ultrasonic distance measuring instrument 101 and bridge can stagger and arrange, guarantee this ultrasonic distance measuring instrument 101 safe in utilization. The acousto-optic alarm 301 of the risk control and early warning device is arranged in a sphere with the radius of 0-20m and at the central point of the projection of the bridge beam body 200 provided with the ultrasonic distance meter 101 to the ground.
When the ultrasonic distance meter 101 on the ground is used (installed on a firm ground surface): firstly, measuring initial distances from the ground to two ultrasonic distance meters on the bridge pier, monitoring included angles alpha and beta horizontal angles between the two ultrasonic distance meters on the bridge pier and the ground and a horizontal plane through an angle measuring instrument, and monitoring distances L1 and L2 and the alpha and beta horizontal angles from the ground to the two ultrasonic distance meters on the bridge pier at any time in the construction process; the ultrasonic distance meter 101 on the ground is also used for calculating the absolute settlement value of each of the two piers and the relative settlement value between the two piers, and h1 is equal to L1tan alpha; h2 ═ L2tan α; δ h-h 1-h 2; wherein h1 and h2 are absolute settlement of the bridge pier respectively, and delta h is relative settlement of the two bridge piers, namely uneven settlement. The purpose is as follows: when h1, h2 and delta h exceed the settlement rate of each bridge pier in the natural state, the control module starts to work and sends out a step alarm instruction to the mobile terminal through wireless transmission; when the acousto-optic alarm installed on the construction site is triggered or the construction personnel receive the relevant information on the mobile phone, the construction behavior on the site is manually reviewed, whether the site belongs to foreign matter intrusion early warning or bridge pier settlement early warning is evaluated, and the safety of the corresponding construction behavior is evaluated. If alarm triggering is caused by other accidental reasons of foreign matter invasion during non-construction, the control module has a function of manually correcting commands and timely cancels non-safety alarm behaviors.
When the remote control device is used specifically, timing data and the like are transmitted to the remote control module 2 in real time through the wireless transmission module 4 by adopting a wireless network; the data analysis module 201 of the remote control module 2 handles two types of alarms:
(1) presetting calculation parameters, such as propagation speed 340m/s, and calculating the distance s from a transmitting point to an ultrasonic distance meter (or an intruding obstacle) by using timing data received by transmission according to the propagation speed of ultrasonic waves in the air being 340m/s and the recording time t of a timer, wherein the distance s is as follows: s is 340 t/2; the initial calculation result is set to a default value, i.e., no foreign object invades the shaded area in fig. 2, the ultrasonic wave propagates to the point C, D or is reflected by the next ultrasonic range finder. After the construction starts, if large mechanical equipment or other buildings invade a shadow area, the data analysis module 201 calculates to obtain a new result, if the new result is smaller than an initial value, the safety clearance of the bridge invaded by foreign matters is judged, the controller starts to work, and a sound alarm instruction is sent out through wireless transmission.
(2) Transmitting the received timing and alpha and beta angle data on site, calculating the absolute settlement value of each pier 100 and the relative settlement between the two piers 100, wherein h1 and h2 are the absolute settlement of each pier 100 respectively, and delta h is the relative settlement, namely the uneven settlement, of the two piers 100, and when h1, h2 and delta h exceed the settlement rate of each pier 100 in a natural state, the controller starts to work and sends a step alarm instruction to a mobile phone through wireless transmission; when the acoustic alarm installed on the construction site is triggered or the construction personnel receive the related information on the mobile phone, the construction behavior on the site is manually reviewed, whether the site belongs to foreign matter intrusion early warning or pier 100 settlement early warning is evaluated, and the safety of the corresponding construction behavior is evaluated. If the alarm is triggered due to other accidental reasons of foreign matter intrusion during non-construction, the control module 202 has a function of manually correcting commands and timely cancels non-safety alarm behaviors.
The contents of the present invention have been explained above. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Based on the above-mentioned contents of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.
Claims (8)
1. A risk control and early warning device, comprising:
the monitoring module comprises an ultrasonic distance meter arranged under the bridge and used for monitoring an object under the bridge;
the remote control module is in communication connection with the monitoring module and is used for receiving the monitoring signals of the ultrasonic distance meter, analyzing the monitoring signals and sending instructions to the ultrasonic distance meter;
the early warning module is in communication connection with the remote control module and is used for receiving a command of the remote control module and sending an alarm according to the command;
the monitoring module comprises at least four ultrasonic range finders; the at least two ultrasonic distance measuring instruments are respectively arranged on the two opposite piers and are arranged oppositely to receive the ultrasonic waves transmitted by each other or the reflected ultrasonic waves; at least one ultrasonic ranging appearance sets up in bridge girder body downside for send the ultrasonic wave and receive reflection ultrasonic wave to the ground under the bridge, at least one ultrasonic ranging appearance sets up subaerially.
2. A risk control and warning device as claimed in claim 1, wherein the remote control module comprises a data analysis module for processing the received signal, a control module for commanding the ultrasonic distance meter and the warning module according to the analysis result of the data analysis module; the data analysis module is in wireless communication connection with the monitoring module and the early warning module respectively.
3. A risk control and pre-warning device as claimed in claim 2, wherein the pre-warning module comprises an audible and visual alarm for emitting an audible or visual signal upon receiving a command from the control module.
4. The risk control and pre-warning device of claim 2, wherein the pre-warning module comprises a mobile terminal, and the mobile terminal is in communication connection with the data analysis module and is configured to receive the command sent by the data analysis module and then send out warning information.
5. The early warning system under the construction bridge is characterized by comprising a bridge, wherein the bridge comprises a bridge girder body and bridge piers, the lower side of the bridge girder body is provided with the ultrasonic distance measuring instrument of the risk control and early warning device according to any one of claims 1-3, and one side of each of the two bridge piers, which is opposite to the other bridge pier, is provided with at least one ultrasonic distance measuring instrument; at least one ultrasonic distance meter positioned on the ground is arranged outside the bridge.
6. The early warning system under a construction bridge as claimed in claim 5, wherein the distance from the ultrasonic ranging instrument disposed on the ground to the projection boundary of the bridge body of the ultrasonic ranging instrument to the ground is not less than 5 m.
7. The construction underbridge warning system of claim 5, wherein the ultrasonic distance meter of the lower side of the bridge girder is more than 3m from the sidewall of the pier.
8. The system of claim 5, wherein the acousto-optic alarm of the risk control and early warning device is disposed in a sphere with a radius of 0-20m at the center point of the projection of the bridge beam body to the ground provided with the ultrasonic range finder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120571820.1U CN214475386U (en) | 2021-03-19 | 2021-03-19 | Risk control and early warning device and construction under-bridge early warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120571820.1U CN214475386U (en) | 2021-03-19 | 2021-03-19 | Risk control and early warning device and construction under-bridge early warning system |
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| Publication Number | Publication Date |
|---|---|
| CN214475386U true CN214475386U (en) | 2021-10-22 |
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| CN202120571820.1U Active CN214475386U (en) | 2021-03-19 | 2021-03-19 | Risk control and early warning device and construction under-bridge early warning system |
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| CN (1) | CN214475386U (en) |
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