Background technology
Tunnel deteriorated, the increase of pressure from surrounding rock and reasons such as non-uniform settling in tunnel itself due to its lining material performance in operation process can cause tunnel-liner to occur the diseases such as cracking, tunnel cross-section distortion, having a strong impact on the traffic safety in tunnel.
During tunnel in monitoring operation process of traditional spirit-leveling instrument, total powerstation, owing to being subject to the restriction of tunnel operation, activity duration is short, and in observation process, need again to look for a static reference mark, due to tunnel generation overall variation, often need reference mark to be arranged in outside tunnel, even farther place, cause working strength large, inefficiency, is difficult to meet one day monitoring frequency several times.
What at present, apply morely is the DEFORMATION MONITORING SYSTEM of automatic total powerstation.This System Working Principle is: on each monitoring section of tunnel, arrange reflecting prism, automatic total powerstation is fixed in tunnel-side, by setting the technical parameter of automatic total powerstation, realize the coordinate position of automatically monitoring each section monitoring point, by contrasting the situation of change of each monitoring point coordinate position, understand the deformation of tunnel cross-section.Yet this system also exists following shortcoming: when (1) total powerstation is strafed each prism, owing to affected by the minimal visual angle of total powerstation, indistinguishable goes out to close on the position of measurement point, often there is the phenomenons such as leak source and wrong point; (2) at automatic total powerstation, strafe in process, owing to being subject to the impact of tunnel operation vehicular traffic, often can not the coordinate information collection of monitoring point is complete, bring certain influence so to whole monitoring; (3) because automatic total powerstation and the prism of core all need to be from external imports, the expense of system building is higher, has limited applying of this monitoring system.
Utility model content
The purpose of this utility model be to provide a kind of simple in structure, easy to install, be not subject to the tunnel cross section convergence distortion automatic monitoring system that in tunnel operation, vehicle, flue gas affect, can adjust according to actual needs and measure range and precision, can meet the needs of various Practical Projects, can realize automatic data acquisition, analysis, when there is unusual condition, can also automatically send warning message simultaneously.
The purpose of this utility model realizes by following technical measures: a kind of tunnel cross section convergence distortion automatic monitoring system, comprise data collector, data collection and analysis instrument and monitoring client, it is characterized in that: described data collector is mainly by several sensors, web member and fixture form, described each sensor is connected into one by web member and forms sensor string, described fixture is fixed on tunnel inner wall by described sensor string and makes sensor string near tunnel inner wall, reserve gap passes through for the barrier being laid on tunnel inner wall simultaneously, described sensor communicates to connect with data collection and analysis instrument respectively, after processing, data collection and analysis instrument sends the data transmission collecting to monitoring client.
The utility model adopts sensor image data and sends data to data collection and analysis instrument and sends monitoring client to again, can carry out full-automatic Real-time Collection, processing, analysis to the Tunnel Engineering key position in operation process, and carry out safety case assessment by the software being arranged in data collection and analysis instrument, Real-time Monitoring Data, early warning situation and assessment report are provided, realize round-the-clock, high efficiency monitoring; Compare with existing monitoring system, due to the requirement without sight line, not affected by minimal visual angle, therefore also do not have the phenomenons such as leak source, wrong point; The utility model is near tunnel inner wall, can not affect normal traffic operation in tunnel, be not subject to the impact of vehicular traffic in tunnel operation, therefore, can the coordinate information of monitoring point gathered complete yet, and sensor can bear vibration, temperature and electromagnetic radiation etc., so greatly improved pipe, support work efficiency, saved maintenance cost, in addition, the expense that the utility model is built is lower, can wide popularization and application.
As a kind of embodiment of the present utility model, described web member comprises connecting link, bracket and floating-point hinge, described floating-point cuts with scissors by mounting groove and is located at the tabular connecting portion in mounting groove bottom surface and forms, the two ends plug-in mounting of described connecting link is fixed in the mounting groove of floating-point hinge, described bracket is microscler disk body shape, the two ends of the bracket between adjacent two connecting links respectively with connecting link on the connecting portion of floating-point hinge be hinged, and be positioned at the connecting portion that on one end and the connecting link of bracket of head and the tail position, floating-point cuts with scissors, be hinged, the other end and described fixture are affixed, described installation of sensors is in bracket card, described connecting link towards tunnel inner bending so that connecting link is connected and whole formation arc after fixing.
As embodiment of the present utility model, described web member also comprises long-armed hinge, described long-armed hinge by cylindrical shell be located at connecting portion tabular on cylinder body outer wall and form, the cylindrical shell of described long-armed hinge is for connecting link through fixing, described installation of sensors is on the connecting portion of described long-armed hinge.
For calibrating sensors, as a kind of improvement of the present utility model, described sensor is fixed on by fixed part in the fixed orifice of bracket and realizes described installation of sensors on bracket, between described bracket and sensor, be provided with governor motion, described governor motion comprises adjustment hole and regulates parts, described adjustment hole is a pair of arcuate socket, described adjustment hole is near described fixed orifice crooked towards fixed orifice, described adjusting parts through sensor stretch in adjustment hole along adjustment hole move so that sensor in align mode, and by fixed part, sensor is fixed on to the adjustment that realizes installation of sensors angle orientation on bracket.
As further improvement of the utility model, described sensor is fixed on by fixed part in the fixed orifice of long-armed hinge and realizes described installation of sensors in long-armed hinge, between described long-armed hinge and sensor, be provided with governor motion, described governor motion comprises adjustment hole and regulates parts, described adjustment hole is arcuate socket, described adjustment hole is near described fixed orifice crooked towards fixed orifice, described adjusting parts through sensor stretch in adjustment hole along adjustment hole move so that sensor in align mode, and by fixed part, sensor is fixed on to the adjustment that realizes installation of sensors angle orientation in long-armed hinge.
As a kind of embodiment of the present utility model, described fixture is the bending plate body consisting of two mutually perpendicular plate faces, and one of them plate face of described fixture is fixed on tunnel inner wall, and another plate face is fixedly connected with bracket.
Connecting link described in the utility model distributes in pairs with tunnel cross-section center axis, one end separately in a pair of connecting link in the top is cut with scissors by floating-point and is fixed on the top fixing element that is positioned at tunnel inner top, this top fixing element is the bending plate body consisting of two perpendicular plate faces, one of them plate face of top fixing element is fixed on tunnel inner wall, and another plate face and floating-point are hinged.
The utility model also has following embodiment:
Described monitoring client is remote monitoring end, described data collection and analysis instrument wireless connections remote monitoring end with Real-time Monitoring Data, carry out early warning and assessment.
Described sensor is cylindrical, and it is the single shaft electrolyte type inclination sensor with temperature compensation.
Compared with prior art, the utlity model has following significant effect:
(1) the utility model adopts sensor image data and sends data to data collection and analysis instrument and sends monitoring client to again, can carry out full-automatic Real-time Collection, processing, analysis to the Tunnel Engineering key position in operation process, and carry out safety case assessment by the software being arranged in data collection and analysis instrument, Real-time Monitoring Data, early warning situation and assessment report are provided, realize round-the-clock, high efficiency monitoring.
(2) compare with existing monitoring system, the utility model, due to the requirement without sight line, is not affected by minimal visual angle, does not therefore have the phenomenons such as leak source, wrong point yet.
(3) the utility model is near tunnel inner wall, can not affect normal traffic operation in tunnel, be not subject to the impact of vehicular traffic in tunnel operation yet, therefore, the coordinate information of monitoring point can be gathered completely, and the impact resistance of sensor reaches 2kg, can bear vibration, temperature and electromagnetic radiation etc., so greatly improved pipe, support work efficiency, saved maintenance cost.
(4) the utility model can be diagnosed in advance safety case, extend the serviceable life of monitoring system, and the expense of system building is lower, can wide popularization and application.
The utility model simple in structure, easy to install, not affected by vehicle, flue gas in tunnel operation, can measure completely tunnel cross-section, and can process reading, obtain the displacement data that produce p.s., can adjust according to actual needs and measure range and precision, can meet the needs of various Practical Projects.
Embodiment
As shown in Fig. 1~6, it is a kind of tunnel cross section convergence distortion of the utility model automatic monitoring system, comprise data collector, data collection and analysis instrument and monitoring client, data collector is mainly by several sensors 5, web member and fixture 8 form, sensor 5 is cylindrical, it is the single shaft electrolyte type inclination sensor with temperature compensation, each sensor is connected into one by web member and forms sensor string, fixture is fixed on tunnel inner wall 1 by sensor string and makes sensor string near tunnel inner wall 1, in the present embodiment, tunnel diameter is 6 meters, reserve gap passes through for the barrier (not shown in FIG.) being laid on tunnel inner wall 1 simultaneously, barrier is cable etc., sensor communicates to connect with data collection and analysis instrument respectively, after processing, data collection and analysis instrument sends the data transmission collecting to monitoring client.Data collection and analysis instrument is a central control equipment, is provided with expansion module, multichannel module and measures control module, and collection analysis software is installed in it.
In the present embodiment, web member comprises connecting link 2, bracket 7 and floating-point hinge 4, referring to Fig. 3, floating-point cuts with scissors 4 by mounting groove 41 and is located at the tabular connecting portion 42 in mounting groove 41 bottom surfaces and forms, the two ends plug-in mounting of connecting link 2 is fixed in mounting groove 41, referring to Fig. 2, bracket 7 is microscler disk body shape, the two ends of the bracket 7 between adjacent two connecting links 2 respectively with adjacent connecting link 2 on the connecting portion of floating-point hinge 4 be hinged, and be positioned at floating-point on one end and the connecting link 2 of bracket 7 of head and the tail position, cut with scissors 4 connecting portion and be hinged, the other end and fixture are affixed, these two bracket 7 horizontally sets, sensor 5 is arranged in bracket 7 cards, connecting link 2 towards tunnel inner bending so that connecting link 2 is connected and whole formation arc after fixing.Sensor 5 is fixed on by fixed part to be realized sensor 5 in the fixed orifice of bracket 7 and is arranged on bracket 7, fixed part adopts bolt, between bracket 7 and sensor 5, be provided with governor motion, governor motion comprises adjustment hole 71 and regulates parts, regulate parts to adopt screw, adjustment hole 71 is a pair of arcuate sockets, adjustment hole is near fixed orifice crooked towards fixed orifice, screw stretches in adjustment hole 71 along adjustment hole 71 and moves so that sensor 5, in align mode, and is fixed on sensor 5 by bolt the adjustment that realizes installation of sensors angle orientation on bracket through sensor 5.The measuring range of sensor is ± 10 °, resolution is 9 seconds, the linearity is 0.3mm/m, or the measuring range of sensor be ± 2 °, resolution is 3.6 seconds, the linearity is 0.1mm/m.
Referring to Fig. 4, web member also comprises long-armed hinge 6, long-armed hinge 6 by cylindrical shell 61 be located at connecting portion 62 tabular on cylindrical shell 61 outer walls and form, the cylindrical shell 61 of long-armed hinge 6 is for connecting links 2 through fixing, sensor 5 is arranged on the connecting portion 62 of long-armed hinge 6.The interior installation of sensors of realizing of fixed orifice 63 that sensor is fixed on long-armed hinge 6 by fixed part is in long-armed hinge, fixed part adopts bolt, between long-armed hinge 6 and sensor 5, be provided with governor motion, governor motion comprises adjustment hole 64 and regulates parts, regulate parts to adopt screw, adjustment hole 64 is arcuate sockets, adjustment hole 64 is near fixed orifice crooked towards fixed orifice, screw through sensor 5 stretch in adjustment hole 64 along adjustment hole 64 move so that sensor 5 in align mode, and by bolt, sensor is fixed on to the adjustment that realizes installation of sensors angle orientation in long-armed hinge.Being shaped as of sensor is cylindrical, and it is the single shaft electrolyte type inclination sensor with temperature compensation.
Referring to Fig. 5, fixture 8 is the bending plate bodys that consist of two mutually perpendicular plate faces, and one of them plate face of fixture 8 is fixed on tunnel inner wall 1, and another plate face is fixedly connected with bracket 7.Connecting link 2 distributes in pairs with tunnel cross-section center axis, one end separately in a pair of connecting link in the top is cut with scissors by floating-point and is fixed on the top fixing element 20 that is positioned at tunnel inner top, this top fixing element 20 is same structure with fixture 8, be that top fixing element 20 is the bending plate bodys that consist of two perpendicular plate faces, one of them plate face of top fixing element 20 is fixed on tunnel inner wall, and another plate face is connected with floating-point hinge 4.
In the present embodiment, monitoring client is remote monitoring end, data collection and analysis instrument wireless connections remote monitoring end with Real-time Monitoring Data, carry out early warning and assessment.Sensor is passed to data collection and analysis instrument by operation tunnel structural change data, by the wireless transmission function of data collection and analysis instrument, can effectively reflect tunnel structure changing condition.
Embodiment of the present utility model is not limited to this; according to foregoing of the present utility model; according to ordinary skill knowledge and the customary means of this area, the utility model can also be made modification, replacement or the change of other various ways, within all dropping on the utility model rights protection scope.