CN106759543B - A kind of round-the-clock long-range bridge foundation washout monitoring and warning system - Google Patents

Abstract

The patent of the present invention discloses an all-weather remote bridge foundation scour monitoring and early warning system. The mechanical bridge foundation scour monitoring device obtains monitoring data, and transmits data through the communication bus and the data processing transfer transmission module; the data processing transfer transmission module transmits data through the network and the central server. Transmission: The upper computer management system transmits data through the network and the central server to realize real-time monitoring and early warning of all-weather bridge foundation settlement. The invention uses a mechanical bridge foundation scouring monitoring device to obtain monitoring data, realizes real-time monitoring of the underwater foundation state of bridge piers, and reminds operators to maintain in time through the remote management system early warning, prevents safety accidents on the bridge, and ensures that the bridge is safe, reliable and durable durable.

Description

An all-weather remote bridge foundation scour monitoring and early warning system

technical field

The invention relates to the field of bridge foundation settlement monitoring and early warning, in particular to an all-weather remote bridge foundation scour monitoring and early warning system.

Background technique

Bridges play an important role in road transportation. After the bridge is built, it is easily damaged due to factors such as climate, corrosion, oxidation or aging, as well as long-term static and live loads. Accordingly, its strength and stiffness will decrease. Decreases with increasing time. This will not only affect the safety of driving, but also shorten the service life of the bridge. In order to ensure the safety of the bridge and the smooth flow of traffic, it is extremely important to strengthen the maintenance and management of the bridge.

Especially for road bridges in mountainous areas, when the detection of foundation scour is unknown, the dangerous bridges cannot be identified in time and are in normal operating state, which will lead to major safety accidents such as bridge collapse. If the foundation scouring condition of the bridge can be monitored in real time, the emergency mechanism can be activated in time in an emergency, and the bridge can be closed, load-limited and other measures to avoid accidents. Even in a non-emergency state, the bridge foundation can be maintained in a timely manner through real-time feedback data, so that the bridge is in a normal working state and the purpose of accident prevention is achieved.

It is still in its infancy to apply the monitoring system to the foundation scour of highway bridges at home and abroad. There are mainly the following monitoring methods:

1. Operation method of combined underwater camera monitor. The advantages of the combined underwater camera monitor operation are that the monitoring speed is fast, the cost is low, and the monitoring personnel operate relatively safely. The depth of the part in the water does not exceed 5 meters.

2. Diving monitoring operation method: During monitoring, the diver holds the underwater camera equipment with lighting equipment and dives into the operation. The advantage of diving monitoring is that it has lower requirements on the water quality near the foundation, no matter whether it is clear water or mixed water, there is no dead space in the monitoring area, and some defects can be repaired in time while monitoring. The disadvantages are that the monitoring speed is slow, the monitoring cost is high, and the personal safety of divers is greatly threatened, especially in deep water, turbulent rivers and sunken ships under the bridge, divers are prone to safety accidents.

3. Underwater robot monitoring operation method. The advantage of the underwater robot monitoring operation is that it can monitor in deep water; the disadvantage is that the monitoring cost is high. In addition, the thruster power of the underwater robot is not enough at present. The water resistance of the general underwater inspection operation type is 2 to 4 knots, which is only suitable for The foundation monitoring of bridges with low flow velocity across the sea and bridges in the reservoir area cannot complete the monitoring task for bridge foundations with relatively high flow velocity.

The above monitoring methods cannot perform real-time and uninterrupted monitoring, and the technical cost is high. At present, the practical technology is mainly realized by using ultrasonic technology, such as the bridge scour monitoring system developed by Shanghai Jingdao Scientific Instrument Company. However, the system is mainly suitable for applications on bridges in still water. Scouring of bridge foundations in mountainous areas has its particularity. First, the floods in mountainous rivers have strong seasonality, and the water quality is turbid, mixed with many mudstones and drifting objects. Ultrasonic technology cannot be used for scouring bridge foundations. The second is that the floods in mountainous rivers are fierce and fast, and there are drifts such as mud and rocks.

It has a great destructive effect on monitoring equipment placed in water, and ultrasonic probes are often placed in water (with water as the conductive medium), so monitoring equipment is easily damaged. Therefore, the current bridge foundation scour monitoring system based on ultrasonic technology can only be used for still water bridges, and is not suitable for monitoring bridges in mountainous areas.

Contents of the invention

The purpose of the present invention is to provide an all-weather remote bridge foundation scour monitoring and early warning system, which uses a mechanical bridge foundation scour monitoring device to obtain monitoring data, realizes real-time monitoring of the underwater foundation status of bridge piers, and reminds operators in time through the remote management system early warning Maintenance, to prevent bridge safety accidents, to ensure that the bridge is safe, reliable and durable.

In order to achieve the above object, the present invention adopts the following technical solutions:

A mechanical bridge foundation scour monitoring device, comprising a subsidence probe, a clutch mechanism, and a hoist, the clutch mechanism is arranged on the left side of the hoist, and a rotary encoder is provided outside the left part of the clutch mechanism. The rotary encoder is connected to the hoist through a coupler, and the settlement probe is connected to the hoist.

Further, the hoist includes a base, a backboard, a central axis of the hoist, a hand wheel and a wire rope; the base is fixed on the backplane, and the central axis of the hoist is arranged on the base , the clutch mechanism is arranged at the left end of the hoist shaft, the coupler is arranged on the hoist shaft outside the left part of the clutch mechanism, and the rotary encoder is connected to the hoist through the coupler. On the central shaft of the hoist, a handwheel is provided at the right side end of the central shaft of the hoist.

Further, the base includes a first fixed seat and a second fixed seat, and the inside of the first fixed seat and the second fixed seat are respectively provided with a first bearing and a second bearing, and the central shaft of the hoist It is arranged in the first bearing and the second bearing, and the first baffle plate and the second baffle plate are arranged on the central shaft of the hoist between the inner side of the first fixed seat and the second fixed seat, and the steel wire rope is set On the central axis of the hoist between the first baffle and the second baffle, a rope-pressing plate is provided on the back plate, and the rope-pressing plate is located between the first baffle and the second baffle The upper part of the wire rope, the rope pressing plate includes a fixing plate and a pressing plate, the fixing plate and the pressing plate are hinged structures, the fixing plate is fixed on the back plate, and the pressing plate is pressed on The upper part of the steel wire rope and the lower part of the pressing plate are provided with an elastic tensioning mechanism.

Further, the elastic tensioning mechanism is a spring, one end of the spring is arranged at the lower part of the rope pressing plate, and the other end is connected to a corresponding position on the base.

Further, the settlement probe includes a guide rod and a conduit, the guide rod is arranged in the conduit, the conduit includes an outer conduit and an inner conduit, the lower part of the outer conduit is sleeved on the upper part of the inner conduit, and the inner conduit The conduit can be relatively stretched in the outer conduit; the upper part of the outer conduit is provided with a first sealing cover and a first pipe collar, the upper part of the outer conduit is provided with a first external thread of the outer conduit, and the outer surface of the lower part of the first sealing cover is There is an external thread of the first sealing cover, and the first pipe ferrule is provided with a first pipe ferrule internal thread, and the first pipe ferrule passes through the first outer conduit at the lower part of the first pipe ferrule internal thread and the upper part of the outer conduit The external thread is screwed and fixed, and the first sealing cover is fixed by the external thread of the first sealing cover at the lower part and the upper part of the internal thread of the first pipe collar of the first pipe collar, that is, the first sealing cover is passed through the first pipe collar fixed on the upper part of the outer conduit, the first sealing cover is provided with a first annular sealing groove, the first annular sealing groove is provided with a first sealing ring, and the inner surface of the first sealing ring is in contact with the guide The outer surface of the upper part of the rod is in contact with the outer surface; the lower part of the outer conduit is provided with a second sealing cover and a second pipe collar, the lower part of the outer conduit is provided with an external thread of the second outer conduit, and the outer surface of the upper part of the second sealing cover is provided There is a second seal cover external thread, the second pipe collar is provided with a second pipe collar internal thread, and the second pipe collar passes through the second pipe collar internal thread upper part and the second outer conduit outer conduit lower part. The screw thread is fixed, and the second sealing cover is fixed by the external thread of the second sealing cover on the upper part and the inner thread of the second pipe collar of the second pipe collar is screwed on the lower part, that is, the second sealing cover is fixed by the second pipe collar on the lower part of the outer conduit; the lower part of the inner conduit is provided with a third pipe collar and an underwater contact plate, the lower part of the inner conduit is provided with an external thread of the inner conduit, and the outer surface of the upper part of the underwater contact plate is provided with a contact plate external thread, the third pipe collar is provided with a third pipe collar internal thread, and the third pipe collar is screw-fixed by the upper part of the third pipe collar internal thread and the inner conduit outer thread at the lower part of the inner conduit. The underwater contact plate is screw-fixed with the lower part of the inner thread of the third pipe collar through the external thread of the contact plate, that is, the underwater contact plate is fixed with the lower part of the inner conduit through the third pipe collar, and the said A third annular sealing groove is provided in the underwater contact plate, and a second sealing ring is provided in the third annular sealing groove, and the inner surface of the second sealing ring is in contact with the outer surface of the lower part of the guide rod. The lower part of the guide rod is internally fixed above the underwater contact plate, and at least one fixing mechanism is provided on the outside of the outer conduit.

Further, a guide wheel is provided between the steel wire rope and the guide rod, and the guide wheel is installed at a corresponding position in front of the steel wire rope.

Further, the clutch mechanism includes a clutch flywheel and a clutch drum, the center of the clutch flywheel is provided with an inner hole for accommodating the clutch drum, and the clutch drum is arranged in the inner hole; the center of the clutch drum is arranged with the coil The shaft hole for the center shaft of the lifter, the outer edge of the clutch drum is provided with an annular groove; the inside of the clutch flywheel is provided with a screw hole in the radial direction, and the inside of the screw hole is sequentially provided with a steel ball and a pressure spring and the fine-tuning bolt, the steel ball is placed at the innermost end of the screw hole, the lower part of the steel ball is embedded in the annular groove of the clutch drum, the fine-tuning bolt is set at the outermost end of the screw hole, and the pressure The spring is arranged between the steel ball and the fine-tuning bolt, that is, one end of the pressure spring is on the upper part of the steel ball, and the other end is located at the lower part of the fine-tuning bolt, and a brake stop band is set on the outer edge of the clutch flywheel. The lower part of the brake stop belt is a fixed end and an adjustment end. The fixed end is fixed by a set screw, the adjustment end is fixed by a manual adjustment mechanism, and the brake stop belt is adjusted by the fixed end and the adjustment end. The connection between the end and the base, the manual adjustment mechanism includes a gasket, a threaded head and an adjusting bolt, the gasket is placed inside the threaded head, the adjusting bolt is arranged on the threaded head, and the brake Friction plates are arranged on the inner side of the stop band.

The method of using the mechanical bridge foundation scouring monitoring device is to set the device in the casing, and the casing is fixedly installed on the corresponding position under the bridge deck, one end of the wire rope is fixed on the central shaft of the hoist, and the other end of the wire rope passes through the guide The wheel guide is connected with the guide rod of the subsidence probe; the subsidence probe is placed in the water, and the underwater contact plate at the lower end of the subsidence probe is in contact with the bridge foundation, and the pressure spring in the clutch mechanism is adjusted by adjusting the fine-tuning bolt so that its The pressure on the steel ball is different, so that the friction force on the clutch drum is different, so as to control the speed of the clutch drum ) to adjust the manual adjustment mechanism so that the brake stop belt and the clutch flywheel are locked, so that the clutch flywheel does not rotate; at the same time, with the handwheel, when the underwater contact plate of the settlement probe touches the abutment, the steel wire rope is tightened through the handwheel, and the inner conduit The length of the pipe body placed in the outer conduit is greater than or equal to 2/3 of the length of the outer conduit body, and less than or equal to the total length of the outer conduit body. The outer conduit of the settlement probe is fixed on the corresponding position of the pier by a fixing mechanism; The central axis of the hoist is connected with the rotary encoder through a coupler. When the bridge foundation settles, the underwater contact plate, guide rod and inner conduit move down along the outer conduit together under the action of gravity, and the central axis of the hoist is pulled by the wire rope. Make the clutch drum and the clutch flywheel slide relative to each other, the central shaft of the hoist rotates, and the angular displacement data of the central shaft of the hoist is converted into electrical pulse signals through the rotary encoder, and then output to the external management system.

An all-weather remote monitoring and early warning system of a mechanical bridge foundation scour monitoring device, including a mechanical bridge foundation scour monitoring device, a data processing transfer transmission module, a central server, and a host computer management system; the mechanical bridge foundation scour monitoring device monitors the bridge foundation The settlement data is transmitted through the communication bus and the data processing relay transmission module; the data processing relay transmission module transmits data through the network and the central server; the host computer management system transmits data through the network and the central server.

Further, the data processing transfer transmission module includes an intelligent data processing unit, a GPRS communication module, and an independent photovoltaic power supply system with a battery; the intelligent data processing unit is responsible for collecting and receiving data from the mechanical bridge foundation scour monitoring device, and performing classification processing , store and upload the collected bridge foundation settlement information; in the intelligent data processing unit, the bridge foundation settlement data is classified and stored according to the bridge name, collection time and specific bridge pier position, and transmitted to the central server through the GPRS communication module; GPRS The communication module is responsible for the communication between the data processing transfer transmission module and the central server; the independent photovoltaic power supply system with batteries is composed of solar panels, lithium battery packs, backup batteries, voltage stabilizing circuits, and voltage conversion circuits; solar panels convert solar energy into electrical energy It is stored in the lithium battery pack, and provides stable voltage for the mechanical bridge foundation scour monitoring device, intelligent data processing unit module and GPRS communication module through the voltage stabilizing circuit and the voltage conversion circuit; when the weather condition is bad and the lithium battery is exhausted, The backup battery enters the working state; the central server database is responsible for storing the bridge foundation settlement information of each bridge in the monitoring area, which includes the original bridge foundation settlement information, and also includes the bridge foundation settlement information calculated by the intelligent algorithm And the operating status information of the monitoring device, which is classified and stored in the central server database according to the name of the bridge, the collection time and the specific pier position of the bridge, etc., for query and call by the upper computer management system; the central server is also responsible for the analysis of the settlement data of the bridge foundation Completion of functions such as dynamic monitoring, automatic positioning and threshold alarm; the upper computer management system has a computer client, which can set various user permissions, and the management personnel can query and call data, manage equipment, and set the system; mechanical bridge foundation The scour monitoring device obtains the settlement data of the bridge foundation of the monitored bridge, and transmits the monitored data to the data processing transfer transmission module through the communication bus; the data processing transfer transfer module summarizes and analyzes the received data, and stores them in the central server; The upper computer management system realizes the real-time monitoring and early warning of all-weather bridge foundation settlement by querying and displaying the data stored in the central server.

Compared with the prior art, the beneficial effects of the present invention are: the present invention uses the mechanical bridge foundation scouring monitoring device to obtain monitoring data, and realizes real-time monitoring of the underwater foundation state of the pier. The present invention has good monitoring effect, safe monitoring, and remote management System early warning, prompting operators to maintain in time, preventing safety accidents on the bridge, ensuring the safety, reliability and durability of the bridge.

Description of drawings

Fig. 1 is a schematic diagram of the system of the present invention.

Fig. 2 is one of the schematic diagrams of the installed mechanical structure of the present invention.

Fig. 3 is the second schematic diagram of the installed mechanical structure of the present invention.

Fig. 4 is a structural schematic diagram of the hoist of the present invention.

Fig. 5 is a structural schematic diagram of the settlement probe of the present invention.

Fig. 6 is a schematic structural view of the catheter of the present invention.

Fig. 7 is a schematic structural view of the first sealing cap of the present invention.

Fig. 8 is a schematic structural view of the second sealing cap of the present invention.

Fig. 9 is a schematic structural view of the underwater contact plate of the present invention.

Fig. 10 is a schematic structural view of the first pipe collar of the present invention.

Fig. 11 is a schematic structural view of the second pipe collar of the present invention.

Fig. 12 is a schematic structural view of a third pipe collar of the present invention.

Fig. 13 is one of the structural schematic diagrams of the clutch mechanism of the present invention.

Fig. 14 is the second structural schematic diagram of the clutch mechanism of the present invention.

Fig. 15 is one of the structural schematic diagrams of the clutch flywheel of the present invention.

Fig. 16 is the second structural schematic diagram of the clutch flywheel of the present invention.

Fig. 17 is one of the structural schematic diagrams of the clutch drum of the present invention.

Fig. 18 is the second structural diagram of the clutch drum of the present invention.

Fig. 19 is a schematic structural view of the brake stop band of the present invention.

Detailed ways

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in the figure, a mechanical bridge foundation erosion monitoring device according to the present invention includes a subsidence probe 10, a clutch mechanism 30, and a winch 20. The clutch mechanism 30 is arranged on the left side of the winch 20, A rotary encoder 50 is provided outside the left part of the clutch mechanism 30 , the rotary encoder 50 is connected to the hoist 30 through a coupler 40 , and the settlement probe 20 is connected to the hoist 20 .

The hoist 20 includes a base, a backboard 22, a hoist shaft 23, a hand wheel 24 and a wire rope 25; the base is fixed on the back board 22, and the hoist shaft 23 Set on the base, the clutch mechanism 30 is set on the left end of the hoist axis 23, the coupler 40 is set on the hoist axis 23 outside the left part of the clutch mechanism 30, and the The rotary encoder 50 is connected to the central shaft 23 of the hoist through the coupler 40 , and the right side end of the central shaft 23 of the hoist is provided with a handwheel 24 .

The base includes a first fixed seat 21.1 and a second fixed seat 21.2, and the inside of the first fixed seat 21.1 and the second fixed seat 21.2 are respectively provided with a first bearing 26.1 and a second bearing 26.2. The central shaft 23 of the hoist is arranged in the first bearing 26.1 and the second bearing 26.3 to reduce resistance, and the central shaft 23 of the hoist can rotate more flexibly; A first baffle plate 27.1 and a second baffle plate 27.2 are arranged on the central axis of the hoist, and the steel wire rope 25 is arranged on the central axis 23 of the hoist between the first baffle plate 27.1 and the second baffle plate 27.2, so as to avoid retraction. When putting the wire rope 25, avoid the wire rope 25 being twisted and dislocated and stuck; the backboard 22 is provided with a rope pressing plate, and the rope pressing plate is located at the top of the wire rope between the first baffle plate 27.1 and the second baffle plate 27.2, The rope-pressing plate includes a fixing plate 28.1 and a pressing plate 28.2, the fixing plate 28.1 and the pressing plate 28.2 are hinged structures, the fixing plate 28.1 is fixed on the back plate 22, and the pressing plate 28.2 is pressed on the upper part of the wire rope 25, and the lower part of the pressing plate 28.2 is provided with an elastic tensioning mechanism 29. The elastic tensioning mechanism 29 is a spring, and one end of the spring is arranged on the lower part of the rope pressing plate 28.2, and the other end is connected to At the corresponding position on the base, the pressing plate 28.2 automatically adjusts the force on the steel wire rope 25 through the spring. When the hoist central shaft 23 rotates, it prevents the steel wire rope 25 from being untensioned and causes the steel wire rope to loosen automatically, thereby reducing errors. .

The settlement probe includes a guide rod 11 and a conduit, the guide rod 11 is arranged in the conduit, the conduit includes an outer conduit 12.1 and an inner conduit 12.2, and the lower part of the outer conduit 12.1 is sleeved on the inner conduit 12.2 The upper part, and the inner conduit 12.2 can be relatively stretched in the outer conduit 12.1; the upper part of the outer conduit 12.1 is provided with a first sealing cover 14.1 and the first pipe collar 13.1, and the upper part of the outer conduit 12.1 is provided with the external thread of the first outer conduit 14.12, the outside of the lower part of the first sealing cover 14.1 is provided with a first sealing cover external thread 14.11, the inside of the first pipe collar 13.1 is provided with a first pipe collar internal thread 13.13, and the first pipe collar 13.1 passes through The lower part of the first pipe collar internal thread 13.13 is screwed with the first outer conduit external thread 14.12 on the upper part of the outer conduit 12.1, and the first sealing cover 14.1 is connected to the first pipe collar 13.1 through the lower first sealing cover external thread 14.11. The upper part of a pipe collar internal thread 13.13 is screwed, that is, the first sealing cover 14.1 is fixed on the upper part of the outer conduit 12.1 through the first pipe collar 13.1, and the first sealing cover 14.1 is provided with a first annular sealing groove 14.13 , the first annular sealing groove 14.13 is provided with a first sealing ring 15.1, and the inner surface of the first sealing ring 15.1 is in contact with the upper outer surface of the guide rod 11 to ensure good sealing between the outer conduit 12.1 and the guide rod 11 , to prevent water from entering the conduit from the top; the lower part of the outer conduit 12.1 is provided with a second sealing cover 14.2 and a second pipe collar 13.2, and the lower part of the external conduit 12.1 is provided with a second external conduit thread 14.22, the The outside of the upper part of the second sealing cover 12.2 is provided with a second sealing cover external thread 14.21, and the inside of the second pipe collar 13.2 is provided with a second pipe collar internal thread 13.23, and the second pipe collar 13.2 passes through the second pipe collar The upper part of the internal thread 13.23 is screw-fixed with the second external conduit external thread 14.22 at the lower part of the external conduit 12.1, and the second sealing cover 14.2 passes through the upper second sealing cover external thread 14.21 and the second tube collar of the second tube collar 13.2. The lower part of the thread 13.23 is screwed, that is, the second sealing cover 14.2 is fixed to the lower part of the outer conduit 12.1 through the second ferrule 13.2, and the lower part of the inner conduit 12.2 is provided with a third ferrule 13.3 and an underwater contact plate 14.3, The lower part of the inner conduit 14.3 is provided with an external thread 14.32 of the internal conduit, the outer surface of the upper part of the underwater contact plate 14.3 is provided with an external thread 14.31 of the contact plate, and the inside of the third pipe collar 13.3 is provided with a third pipe collar internal thread 13.33, the third pipe collar 13.3 is screw-fixed by the upper part of the third pipe collar internal thread 13.33 and the inner conduit external thread 14.32 of the lower part of the inner conduit 12.2, and the underwater contact plate 14.3 is connected with the third pipe thread 14.31 The lower part of the third pipe collar internal thread 13.33 of the pipe collar 13.3 is screwed, that is, the underwater contact plate 14.3 through The third pipe collar 13.3 is fixed to the lower part of the inner conduit 12.2, the underwater contact plate 14.3 is provided with a third annular sealing groove 14.33, and the third annular sealing groove 14.33 is provided with a second sealing ring 15.2, the inner surface of the second sealing ring 15.2 is in contact with the outer surface of the lower part of the guide rod 11, the lower part of the guide rod 11 is internally fixed above the underwater contact plate 14.3, and the outer conduit 12.1 is provided with at least one The fixing mechanism 18 ensures that the settlement probe is vertical and will not be displaced due to water erosion, ensuring accuracy.

A guide wheel is provided between the wire rope 25 and the guide rod 11, and the guide wheel 25.1 is installed at a corresponding position in front of the wire rope 25.

The clutch mechanism 30 includes a clutch flywheel 31 and a clutch drum 32, the center of the clutch flywheel 31 is provided with an inner hole for accommodating the clutch drum 32, and the clutch drum 32 is arranged in the inner hole; the clutch drum The center of 32 is provided with a shaft hole that cooperates with the central shaft 23 of the winch, and the outer edge of the clutch drum 32 is provided with an annular groove 32.6; the inside of the clutch flywheel 31 is radially provided with a screw hole 31.7, and the screw The inside of the hole 31.7 is provided with a steel ball 33, a pressure spring 34 and a fine-tuning bolt 35 in sequence. The steel ball 33 is placed at the innermost end of the screw hole 31.7, and the lower part of the steel ball 33 is embedded in the annular groove 32.6 of the clutch drum 32. Above, the fine-tuning bolt 35 is set at the outermost end of the screw hole 31.7, and the pressure spring 34 is set between the steel ball 33 and the fine-tuning bolt 35, that is, one end of the pressure spring 34 rests on the upper part of the steel ball 33 , the other end is located at the lower part of the fine-tuning bolt 35, a brake stop band 36 is set on the outer edge of the clutch flywheel 31, and the lower part of the brake stop band 36 is a fixed end and an adjustment end, and the fixed end Fixed by fixing screws, the adjustment end is fixed by a manual adjustment mechanism 37, the brake stop band 36 is connected to the base through the fixed end and the adjustment end, and the manual adjustment mechanism 37 includes a gasket 37-1, threaded head 37-3 and adjusting bolt 37-2, the gasket 37-1 is placed inside the threaded head 37-3, and the described adjusting bolt 37-2 is arranged on the threaded head 37-3, A friction plate 36-1 is provided on the inner side of the brake stop band.

The method of using the mechanical bridge foundation erosion monitoring device is to set the device in the casing 400, and the casing 400 is fixedly installed on the corresponding position below the bridge deck 300, and one end of the steel wire rope 25 is fixed on the central axis 23 of the hoist, The other end of the wire rope 25 is guided by the guide wheel 25.1 and connected to the guide rod 11 of the settlement probe 10; the settlement probe 10 is placed in the water, and the underwater contact plate 14.3 at the lower end of the settlement probe 10 is in contact with the bridge foundation 100. The adjustment of 35 adjusts the pressure spring 34 in the clutch mechanism 30, so that the pressure on the steel ball 33 is different, so that the friction force on the clutch drum 32 is different, thereby controlling the speed of the clutch drum 32. When the settlement probe 10 does not fall When sinking, that is, when the subsidence probe 10 is in a static state, its clutch drum 32 is also in a relatively static state. Adjust the manual adjustment mechanism 37 so that the brake stop band 36 is locked with the clutch flywheel 31, so that the clutch flywheel 31 does not rotate; Hand wheel 24, when the underwater contact plate of the subsidence probe 10 touches the abutment 100, adjust the tension of the wire rope 25 through the hand wheel 24, and the length of the inner conduit 12.2 placed in the outer conduit 12.1 is greater than or equal to the length of the outer conduit 12.1 2/3, less than or equal to the total length of the outer conduit 12.1, the outer conduit 12.1 of the settlement probe 10 is fixed on the corresponding position of the pier 200 through the fixing mechanism 18; 50 connected, when the bridge foundation 100 settles, the underwater contact plate 23, the guide rod 11 and the inner conduit 12.2 move downward along the outer conduit 12.1 under the action of gravity, and the inner conduit 12.2 is beneficial to protect the guide rod 11 from being damaged by the water flow. Bending occurs due to the impact of debris, and the hoist central shaft 23.1 is pulled by the steel wire rope 25, so that the clutch drum 32 and the clutch flywheel 31 slide relative to each other, the hoist central shaft 23 rotates, and the hoist central shaft 23 is rotated by the rotary encoder 50. The displacement data is converted into an electrical pulse signal, which is then output to an external management system.

An all-weather remote monitoring and early warning system of a mechanical bridge foundation scour monitoring device, including a mechanical bridge foundation scour monitoring device, a data processing transfer transmission module, a central server, and a host computer management system; the mechanical bridge foundation scour monitoring device monitors the bridge foundation The settlement data is transmitted through the communication bus and the data processing relay transmission module; the data processing relay transmission module transmits data through the network and the central server; the host computer management system transmits data through the network and the central server.

When setting the installation position of the mechanical bridge foundation scouring monitoring device, consider that the number of installation points will be determined according to the number and location of the bridge piers, and you can choose to install bridge piers that are easy to be scoured on the bridge foundation, that is, one bridge can be installed. Mechanical bridge foundation scour monitoring devices (1#, 2#, k#, n# in Fig. 1), or multiple mechanical bridge foundation scour monitoring devices can be installed on one bridge; the mechanical bridge foundation scour monitoring devices are installed in place Work after power on.

The data processing transfer transmission module includes an intelligent data processing unit, a GPRS communication module, and an independent photovoltaic power supply system with a battery; the intelligent data processing unit is responsible for collecting and receiving data from the mechanical bridge foundation scour monitoring device, and performing classified processing and storage And upload the collected bridge foundation settlement information; in the intelligent data processing unit, the bridge foundation settlement data is classified and stored according to the bridge name, collection time and specific bridge pier position, and transmitted to the central server through the GPRS communication module; the GPRS communication module Responsible for the communication between the data processing transfer transmission module and the central server; the independent photovoltaic power supply system with batteries is composed of solar panels, lithium battery packs, backup batteries, voltage stabilizing circuits, and voltage conversion circuits; solar panels convert solar energy into electrical energy and store it in In the lithium battery pack, the stable voltage is provided for the mechanical bridge foundation scouring monitoring device, the intelligent data processing unit module and the GPRS communication module through the voltage stabilizing circuit and the voltage conversion circuit; when the weather condition is bad and the lithium battery is exhausted, the backup battery Enter the working state; when the power of the backup battery is lower than 25%, the upper computer management system sends a warning that the battery power of the data processing transfer transmission module is insufficient, and the management personnel go to the location of the data processing transfer transmission module to replace the battery.

The central server database is responsible for storing the bridge foundation settlement information of each bridge in the monitoring area, which includes the original bridge foundation settlement information, and also includes the bridge foundation settlement information calculated by the intelligent algorithm and the operating status of the monitoring device Information, which is classified and stored in the central server database according to the name of the bridge, collection time and specific bridge pier locations, etc., for query and call by the host computer management system; the central server is also responsible for the analysis and calculation of bridge foundation settlement data, and completes the dynamic Monitoring, automatic positioning and threshold alarm functions;

The upper computer management system has a computer client, which can set various user rights, and the management personnel can query and call data, manage equipment, and set the system;

The mechanical bridge foundation scour monitoring device obtains the settlement data of the monitored bridge foundation, and transmits the monitored data to the data processing transfer transmission module through the communication bus; the data processing transfer transfer module summarizes and analyzes the received data and stores them in the In the central server; the host computer management system realizes real-time monitoring and early warning of all-weather bridge foundation settlement by querying and displaying the data stored in the central server.

The invention uses a mechanical bridge foundation scour monitoring device to obtain monitoring bridge foundation settlement data, realizes real-time monitoring of the underwater foundation state of bridge piers, and reminds operators to maintain in time through the remote management system early warning, so as to prevent bridge safety accidents and ensure bridge safety Reliable and durable.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only includes an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (8)

1. a kind of round-the-clock long-range bridge foundation washout monitoring and warning system, it is characterised in that：It is rushed including mechanical bridge foundation Brush monitoring device, data processing transfer transmission module, central server, Managing system of above position machine；Mechanical bridge foundation washout Monitoring device monitors bridge foundation settling data, is carried out data transmission by communication bus and data processing transfer transmission module； Data processing transfer transmission module is carried out data transmission by network and central server；Managing system of above position machine by network with Central server carries out data transmission, and the data processing transfer transmission module includes data intelligence processing unit, GPRS logical Believe module, the independent photovoltaic power supply system with accumulator；Data intelligence processing unit is responsible for acquisition and is received from mechanical bridge The data of foundation scouring monitoring device, and carry out classification processing, storage and the bridge settlement information for uploading acquisition；In intelligence In data processing unit, bridge foundation settling data is carried out according to bridge title, acquisition time and the specific pier location of bridge Classification storage is transmitted to central server by GPRS communication modules；GPRS communication modules be responsible for data intelligence processing unit with The communication of central server；Independent photovoltaic power supply system with accumulator includes solar panel, lithium battery group, standby electricity Pond；Solar panel converts the solar into power storage in lithium battery group, for mechanical bridge foundation washout monitoring dress It sets, data intelligence processing unit module and GPRS communication modules provide electric energy；When weather conditions are bad, electric quantity of lithium battery exhausts When, reserve battery enters working condition；The central server database is responsible for monitoring the bridge bridge of each bridge in region Base settles the storage of information, also includes the bridge after being calculated by intelligent algorithm wherein settling raw information comprising bridge foundation The running state information of foundation settlement information and monitoring device, these information have according to bridge title, acquisition time and bridge Body pier location carries out classification deposit central server database, inquires and calls for Managing system of above position machine；Central server It is also responsible for the analysis and calculating of bridge foundation settling data, completes dynamic monitoring, automatic positioning and threshold values warning function；Host computer Management system has computer client, and a variety of user rights can be arranged, and administrative staff's inquiry and calling data, are set management equipment Set system；Mechanical bridge foundation washout monitoring device obtains monitoring bridge foundation settling data, and the data monitored are led to It crosses communication bus and is sent to data processing transfer transmission module；Data processing transfer transmission module converges the data received Summation is analyzed, and is stored in central server；Managing system of above position machine is by looking into the data in deposit central server It askes and shows, realize the real-time monitoring and early warning to round-the-clock bridge settlement.

2. the monitoring device of system according to claim 1, it is characterised in that：Including sedimentation probe, clutch, elevator Device, the clutch are set to the left side of hoist, and rotary encoder is equipped on the outside of the clutch left part, described Rotary encoder is connected to by coupler on hoist, and sedimentation probe is connected on hoist；The hoist Including pedestal, backboard, hoist axis, handwheel and steel wire rope；The pedestal is fixed on backboard, the hoist axis On pedestal, the clutch is set to hoist axis left-hand end, and the coupler is set to outside clutch left part On the hoist axis of side, the rotary encoder is connected to by coupler on hoist axis, in the hoist Axis right-hand end is provided with handwheel.

3. the apparatus of claim 2, it is characterised in that：The pedestal includes that the first fixed seat and second are fixed Seat, is respectively equipped with first bearing and second bearing inside first fixed seat and the second fixed seat, in the hoist It is located in first bearing and second bearing, on the hoist axis between first fixed seat and the second fixed seat inside Equipped with first baffle and second baffle, the steel wire rope is set on the hoist axis between first baffle and second baffle, The backboard is equipped with rope guarding plate, steel wire rope top of the rope guarding plate between first baffle and second baffle, institute The rope guarding plate stated includes fixed plate and pressure plate, and the fixed plate and pressure plate are articulated structure, and the fixed plate is fixed In on backboard, the pressure plate is pressed on steel wire rope top, and the pressure plate lower part is equipped with elastic tensioning mechanism.

4. device according to claim 3, it is characterised in that：The elastic tensioning mechanism is spring, the spring One end is set to rope guarding plate lower part, and the other end is connected to the corresponding position on pedestal.

5. the apparatus of claim 2, it is characterised in that：The sedimentation probe includes guide rod and conduit, the guide rod In conduit, the conduit includes outer catheter and inner catheter, and the lower part of the outer catheter is placed on the upper of the inner catheter Portion, and inner catheter can relative telescopic in outer catheter；The outer catheter top is equipped with the first sealing cover and the first pipe collar, described Outer catheter top be equipped with the first outer catheter external screw thread, the first sealing cover lower outside is equipped with the outer spiral shell of the first sealing cover Line, first pipe collar are internally provided with the first pipe collar internal thread, and first pipe collar passes through the first pipe collar internal thread lower part It is fixed with the first outer catheter external screw thread spiral on outer catheter top, outside the first sealing cover that first sealing cover passes through lower part First pipe collar internal thread top spiral of screw thread and the first pipe collar is fixed, i.e., first sealing cover is fixed by the first pipe collar In the top of outer catheter, it is equipped with first annular seal groove in first sealing cover, is set in the first annular seal groove There are the first sealing ring, the described first sealing ring inner surface to be engaged with guide rod outer surface of upper；The outer catheter lower part Equipped with the second sealing cover and the second pipe collar, the outer catheter lower part is equipped with the second outer catheter external screw thread, the described second sealing Lid upper outside is equipped with the second sealing cover external screw thread, and second pipe collar is internally provided with the second pipe collar internal thread, and described the Two pipe collars are fixed by the second outer catheter external screw thread spiral on the second pipe collar internal thread top and outer catheter lower part, and described second Sealing cover is fixed by the second sealing cover external screw thread on top and the second pipe collar internal thread lower part helical of the second pipe collar, i.e., described The second sealing cover the lower part of outer catheter is fixed on by the second pipe collar；The inner catheter lower part is equipped with third pipe collar and under water Tactile disk, the inner catheter lower part are equipped with inner catheter external screw thread, and the underwater tactile disk upper outside is equipped with tactile disk external screw thread, institute The third pipe collar stated is internally provided with third pipe collar internal thread, and the third pipe collar is led by third pipe collar internal thread top with interior The inner catheter external screw thread spiral of pipe lower part is fixed, the third pipe collar that the underwater tactile disk passes through tactile disk external screw thread and third pipe collar Internal thread lower part helical is fixed, i.e., the underwater tactile disk is fixed by third pipe collar and the inner catheter lower part, described It is equipped with third annular seal groove in underwater tactile disk, is equipped with the second sealing ring in the third annular seal groove, described second Sealing ring inner surface is engaged with guide rod lower external face, and the guide rod lower part is fixed with underwater tactile disk upper interior, institute At least one fixed mechanism is equipped with outside the outer catheter stated.

6. device according to claim 5, it is characterised in that：Directive wheel, institute are equipped between the steel wire rope and guide rod The directive wheel stated is installed on corresponding position in front of steel wire rope.

7. device according to claim 6, it is characterised in that：The clutch includes coupling flywheel and clutch Drum, the coupling flywheel center are equipped with the endoporus for accommodating clutch drum, and the clutch drum is set in endoporus；Institute The clutch drum center stated is equipped with the axis hole coordinated with hoist axis, and the outer rim of the clutch drum is equipped with ring-shaped groove； The coupling flywheel inner radial is equipped with screw hole, is equipped with steel ball, compression spring and fine tuning spiral shell inside the screw hole successively Bolt, the steel ball are placed in innermost end in screw hole, and on the ring-shaped groove of the lower part embeddeding clutch drum of steel ball, described is micro- Bolt is adjusted to be set to screw hole outermost end, the compression spring is set between steel ball and trimming bolt, i.e. the compression spring one End peaks at part on steel ball, and the other end is located at trimming bolt lower part, brake stop is arranged in the outer rim of the coupling flywheel Band, the brake locking strip lower part is fixed end and adjusts end, and the fixed end is fixed by fixed screw, institute The adjusting end stated is fixed by manual adjustment means, and the brake locking strip is by fixed end and adjusts end and pedestal Connection, the manual adjustment means include gasket, thread head and adjusting bolt, and the gasket is placed on the inside of thread head, The adjusting bolt is set on thread head, and the brake locking strip medial surface is equipped with friction plate.

8. the application method of the monitoring device of system according to claim 2, it is characterised in that：The device is set to shell Interior, the shell is fixedly mounted on the corresponding position below bridge floor, and steel wire rope one end is fixed on hoist axis, steel The cord other end is oriented to by directive wheel and is connect with the guide rod top of sedimentation probe；The sedimentation probe is placed in water, is sunk The underwater tactile disk of drop probe lower end is contacted with bridge foundation, is carried out to clutch internal pressure spring by the adjusting of trimming bolt It adjusts so that it is different to the pressure of steel ball, and compression spring is bigger to the pressure of steel ball, the annular of steel ball and clutch drum Groove frictional force is bigger, so that the frictional force to clutch drum is different, to control the rotating speed of clutch drum, works as sedimentation When probe does not sink, i.e., when sedimentation probe remains static, clutch drum is also at relative static conditions, and adjustment is manual Regulating mechanism so that brake locking strip and coupling flywheel locking so that coupling flywheel does not rotate；Fly simultaneously, when The underwater tactile disk of sedimentation probe contacts abutment, and adjusting steel wire rope by handwheel tenses, and it is long that inner catheter is placed in the tube body in outer catheter 2/3 of degree more than or equal to outer catheter tube length is less than or equal to outer catheter tube body total length, the outer catheter of the sedimentation probe It is fixed on bridge pier corresponding position by fixed mechanism；Hoist axis is connected through coupler with rotary encoder, when bridge base When plinth settles, underwater tactile disk, guide rod and inner catheter are moved down along outer catheter together under the effect of gravity, when bridge foundation is heavy When drop, sedimentation probe can and then sink, since clutch drum is by the frictional force of steel ball, will not rapid decrease, can only slowly under Drop so that steel wire rope is always maintained at tensioning state, ensures the accuracy of data, by steel wire rope pull hoist axis, make from The sliding opposite with coupling flywheel of clutch drum, hoist middle shaft rotation, and by rotary encoder axis angular displacement in hoist Data are changed into electric impulse signal, to be output to external management system.