CN207502197U - Towards the monitoring system of spherical bearing disease across railroad bridge greatly - Google Patents

Towards the monitoring system of spherical bearing disease across railroad bridge greatly Download PDF

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Publication number
CN207502197U
CN207502197U CN201721651087.4U CN201721651087U CN207502197U CN 207502197 U CN207502197 U CN 207502197U CN 201721651087 U CN201721651087 U CN 201721651087U CN 207502197 U CN207502197 U CN 207502197U
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spherical bearing
bridge
greatly
towards
monitoring system
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蒋欣
赵欣欣
李旭伟
刘晓光
胡所亭
鞠晓臣
郭辉
石秋君
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China Academy of Railway Sciences Corp Ltd CARS
Railway Engineering Research Institute of CARS
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China Academy of Railway Sciences Corp Ltd CARS
Railway Engineering Research Institute of CARS
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Abstract

The utility model provides a kind of monitoring system towards spherical bearing disease across railroad bridge greatly, including the temperature sensor being installed on the main couple greatly between the Bridge Pier of railway bridge, for obtaining the structure temperature of optimization design of bridge main truss;It is installed on greatly across the corner measuring apparatus on the spherical bearing in the Bridge Pier of railway bridge, for measuring the corner information of spherical bearing;It is installed on greatly across the displacement measuring device on the spherical bearing in the Bridge Pier of railway bridge, for measuring the displacement information of spherical bearing.Since the program employs temperature sensor, corner measuring apparatus, displacement measuring device these equipment, it can be with the corresponding information of automatic collection, without manually going to measure to scene, manpower and time are saved, improves the efficiency of the damage problem of automatic monitoring spherical bearing.

Description

Towards the monitoring system of spherical bearing disease across railroad bridge greatly
Technical field
The utility model is related to science of bridge building monitoring technical fields, more particularly to a kind of towards ball-type branch across railroad bridge greatly The monitoring system of seat disease.
Background technology
Spherical bearing is a kind of novel bridge bearing to grow up on the basis of pot rubber bearing, greatly across railway It is widely applied in bridge.Compared with other type supports, spherical bearing advantages, be mainly manifested in counter-force uniformly, turn Kinetic moment is small, respectively consistent and be hardened there is no rubber or the influence to bearing rotating property such as aging to rotating property.As Bridge superstructure and the important feature component of substructure are connected, bridge pad should be by the counter-force of bridge superstructure and deformation Bridge substructure is reliably delivered to, so as to which the actual loading situation for making structure is consistent with the theoretical schema calculated.Therefore, Spherical bearing must have enough bearing capacitys, safely and reliably transmit end reaction, and adapt to beam body can freely stretch And rotation.
However, with the extension of active time, under load and environmental factor collective effect, spherical bearing is inevitably There is the damages in certain appearance and structure.These damages mainly include corrosion, rubber seal liquefaction leakage, steel part crackle With deformation etc. appearances obvious shortcoming and be not easy to estimate but seriously affect bearing function support displacement transfinite, bearing corner transfinites Deng.Bearing not only influences bearing as the key member that power is transmitted between bridge superstructure and substructure, these diseases Working condition more affects load transmission and compatibility of deformation between bridge superstructure and substructure, in some instances it may even be possible to jeopardize beam Hold track condition, so as to threaten the driving of bridge section comfortably with safety.
At present, it is still based on periodic hand inspection to the discovery of bridge pad disease.Inspection one to bridge pad As be to carry out in traffic less Window time, and in order to ensure the operational efficiency of railway operation, skylight quantity is few and the time Short, especially the Window time of high-speed railway bridge is at night again, checks and is affected by light, supply of electric power etc..It is above-mentioned Check generally be directed to bridge pad cosmetic injury.To the hand inspection of the displacement of bearing equally because needing a large amount of manpower And the time, therefore displacement situation the exercising supervision property inspection of the bearing of problem is normally only had found to only a few.Therefore, because overhauling people Member's quantity is few, and effective review time is short, and skylight arranges number limited, even if only carrying out simple visual examination to bridge pad And not comprising support displacement inspection, total inspection task is also too heavy.In addition, it periodically checks with Maintenance Difficulty with reality Now the timely of bridge defect is found and handled, the control that can not accomplish that the disease occurs with developing overall process.
Utility model content
The utility model embodiment provides a kind of monitoring system towards spherical bearing disease across railroad bridge greatly, can be with Automatic monitoring spherical bearing degree of impairment, saves manpower and time, improves monitoring efficiency.
The monitoring system towards spherical bearing disease across railroad bridge greatly includes:Including:Temperature sensor, outer corner measurement Device and displacement measuring device;
The temperature sensor is installed on the main couple greatly between the Bridge Pier of railway bridge, for obtaining bridge master The structure temperature of truss;
The corner measuring apparatus is installed on greatly across on the spherical bearing in the Bridge Pier of railway bridge, for measuring ball The corner information of type bearing;
Institute's displacement measurement device is installed on greatly across on the spherical bearing in the Bridge Pier of railway bridge, for measuring ball The displacement information of type bearing.
In one embodiment, it further includes:Temperature Humidity Sensor is installed in Bridge Pier close to the position of spherical bearing It puts, for measuring the humiture of spherical bearing ambient enviroment.
In one embodiment, it further includes:Laser displacement sensor or wheel track force measuring device;
The laser displacement sensor is installed on the main couple greatly between the Bridge Pier of railway bridge, a plurality of for measuring The passage situation of train on each track of track;
The wheel track force measuring device is installed on greatly across on the track of railway bridge, is respectively saved for obtaining rail vehicle on track The axis weight and speed in compartment.
In one embodiment, institute's displacement measurement device includes magnetostrictive displacement sensor, stay wire displacement sensor Or laser displacement sensor.
In one embodiment, the corner measuring apparatus includes obliquity sensor.
In one embodiment, the corner measuring apparatus includes:Linear displacement meter is installed on spherical bearing upper bracket plate With the both ends of lower support plate, for measuring the distance between the upper bracket plate of spherical bearing and lower support plate.
In one embodiment, it further includes:Image collecting device is installed in Bridge Pier, towards spherical bearing, is used for Obtain the appearance images of spherical bearing.
In one embodiment, described image harvester is additionally operable to:Obtain preset mark in spherical bearing upper bracket plate Image.
In one embodiment, described image harvester includes video camera.
In one embodiment, described image harvester further includes light source, and fill-in light is provided for video camera shooting Source.
In the utility model embodiment, in the monitoring system towards spherical bearing disease across railroad bridge greatly of proposition The equipment such as temperature sensor, corner measuring apparatus, displacement measuring device, image collecting device are employed, it can be with automatic collection phase The information answered determines spherical bearing structural damage and cosmetic injury situation, without manually going to measure to scene, can from Dynamic monitoring spherical bearing degree of impairment, saves manpower and time, improves the efficiency of monitoring spherical bearing degree of impairment.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of monitoring system towards spherical bearing disease across railroad bridge greatly that the utility model embodiment provides Scheme of installation;
Fig. 2 is a kind of spherical bearing displacement measurement schematic diagram that the utility model embodiment provides;
Fig. 3 is a kind of spherical bearing outer corner measurement schematic diagram that the utility model embodiment provides.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that described embodiment is only the reality of the utility model part of the embodiment rather than whole Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.
For the monitoring that can only manually carry out spherical bearing damage in the prior art, one is proposed in the utility model embodiment Kind is towards greatly across the bridge of railway bridge, towards the monitoring system of spherical bearing disease across railroad bridge greatly, monitoring content mainly includes Two aspects, are on the one hand to be got on the right track using sensing technology to support displacement and corner, structure temperature, ambient temperature and humidity, bridge Operating condition of train etc. is checked and is monitored, and is understood in train load and temperature action undersetting structural behaviour and healthy shape State, seat structure damage include that support displacement transfinites, bearing corner transfinites;On the other hand be by video monitoring to bearing outside It sees damage to be monitored, cosmetic injury includes corrosion, rubber seal liquefaction leakage, steel part crackle, deformation etc..
Fig. 1 be the utility model proposes towards spherical bearing disease across railroad bridge greatly monitoring system install signal Figure, as shown in Figure 1, should include towards the monitoring system of spherical bearing disease across railroad bridge greatly:Temperature sensor, outer corner measurement Device and displacement measuring device;Wherein, temperature sensor is installed on the main couple 1 greatly between the Bridge Pier of railway bridge, is used In the structure temperature for obtaining optimization design of bridge main truss;Corner measuring apparatus is installed on greatly across the spherical bearing in the Bridge Pier of railway bridge On 2, for measuring the corner information of spherical bearing;Displacement measuring device is installed on greatly across the ball-type in the Bridge Pier of railway bridge On bearing 2, for measuring the displacement information of spherical bearing;The structure temperature of the optimization design of bridge main truss, the spherical bearing corner Information and the spherical bearing displacement information are as determining foundation of the structure temperature to spherical bearing structural damage.
When it is implemented, its stress and deformation are greatly influenced by temperature for steel bridge, durability is influenced by humiture Larger, the bearing corrosion under hot and humid environment is even more serious.Therefore, it is necessary to measure the structure temperature of optimization design of bridge main truss to determine Structure temperature is to spherical bearing structural damage situation.Larger, the same bridge pier in view of structure direction across bridge and vertical structure size There may be, to displacement difference, may be selected to arrange multiple temperature sensing on 1-2 section of span centre along bridge for upstream and downstream bearing on platform Device is arranged 6 temperature sensors in Fig. 1, can also be arranged to understand the substantially situation in temperature field on a section that can be It is multiple, to grasp influence of the temperature field to support displacement.
When it is implemented, temperature and humidity is mainly included on the influential external environment of spherical bearing tool, therefore, in addition to surveying Measure the structure temperature of optimization design of bridge main truss, it is also necessary in the displacement of spherical bearing on measuring certain Bridge Pier, in Bridge Pier Close to the location arrangements Temperature Humidity Sensor of spherical bearing, for measuring the humiture of spherical bearing ambient enviroment, the ball The humiture of type bearing ambient enviroment is as foundation of the humiture to spherical bearing structural damage for determining environment.
When it is implemented, other than temperature, humidity influence, due to there is train to orbit, ball-type branch can be also influenced The working performance of seat.Rail vehicle information can include operating condition, train marshalling list, the vehicle axle weight of train on speed, each line (vehicle weight) etc..Therefore, should can also include towards the monitoring system of spherical bearing disease across railroad bridge greatly:Laser displacement Sensor or wheel track force measuring device;The laser displacement sensor is installed on the main couple greatly between the Bridge Pier of railway bridge On 1, for measuring the passage situation of train on each track of a plurality of tracks;The wheel track force measuring device 3 is installed on greatly across iron On the track 4 of road and bridge, for obtaining the axis weight and speed that rail vehicle on track respectively saves compartment, as shown in Figure 1.Wherein, speed It is that power changes with time and the spacing of the axle of standard is reversely pushed out by measuring.It installs and swashs on optimization design of bridge main truss in Fig. 1 Whether Optical displacement sensor (laser operating mode's switch) has train according on each track of train misalignment automatic identification of measurement Pass through.In addition, wheel track force measuring device can be installed in orbit after obtaining railway administration side and agreeing to, vehicular load is grasped comprehensively Information.
When it is implemented, the dilatation of spherical bearing uses Sensor monitoring, the vertical of multidirectional movable bearing support can be included The length travel of lateral displacement and longitudinally-moving bearing and outer corner measurement.As shown in Fig. 2, the lower branch that support displacement S1 refers to The offset (spherical crown liner plate is considered as with upper bracket plate to be overlapped) at seat board center and spherical crown liner plate or upper bracket plate center.Support displacement Measurement can mark position of center line by four sides in upper and lower support plate, so as to measure along bridge to or direction across bridge branch up and down The opposite offset of seat board center line.Magnetostrictive displacement sensor, bracing wire position can be used when support displacement monitors in practical application Displacement sensor or laser displacement sensor (depending on monitoring condition and environment), utilize the lifting bolt of base-plate surrounding The mounting fixture of the design specializeds such as lower support plate leveling locking device bolt hole and bearing coaming plate stent angle steel on hole, bearing, Realize the fixed installation of sensor.
When it is implemented, as shown in figure 3, bearing corner S2/L refers between upper bracket plate spherical bearing basin and spherical crown liner plate It relatively rotates.The measurement of bearing corner is also to mark position of center line on four sides of upper and lower support plate, be may be used following indirect Method measures:The distance Smax and Smin of lower support plate the right and left in measurement, then along bridge to or the corner of direction across bridge be For the ratio of the two difference S2 and distance L, the corresponding points of L can determine, but must be fixed every time at these according to actual conditions Point measures.This method needs corner measuring apparatus that must include linear displacement meter, is installed on spherical bearing upper bracket plate With the both ends of lower support plate, for measuring the distance between the upper bracket plate of spherical bearing and lower support plate;The spherical bearing Distance between upper bracket plate and lower support plate is used for determining the corner information of spherical bearing.
It individually can also directly be measured using a precise tilt angle sensor when corner monitors in practical application.
In addition to the method that above-mentioned dynamic measures support displacement variation, branch is further included when support displacement monitors in practical application Seat quail-static displacement monitoring.The monitoring of bearing quail-static displacement is referred to setting a label in spherical bearing upper bracket plate, be led to The image that image collecting device obtains preset mark in spherical bearing upper bracket plate is crossed, can be obtained according to the image of preset mark Then this label shows the change in displacement of spherical bearing relative to the change in location of a certain fixed point.It can in practical application One Quick Response Code is sticked with the upper bracket plate in spherical bearing, simultaneously embedded image handles software using independent operating system is possessed The 2 D code information real-time resolving of smart camera shooting, it is automatic to calculate bridge pad quail-static displacement amount and timing output.
When it is implemented, the monitoring for spherical bearing, other than being detected to its structural damage, it is also necessary to ball The cosmetic injury of type bearing is monitored.The monitoring of its cosmetic injury can be realized by video monitoring.Specifically, it is somebody's turn to do towards big The monitoring system of across railroad bridge spherical bearing disease further includes image collecting device, is installed in Bridge Pier, towards ball-type Bearing, for obtaining the appearance images of spherical bearing, the appearance images of spherical bearing are as determining spherical bearing cosmetic injury Foundation.The monitoring of bearing appearance images is contactless monitoring, can be with taken at regular intervals image information.Image collecting device utilizes special Mounting bracket be fixed on pier by expansion bolt, after the cable protective of image collecting device introduce pier on instrument box It is interior.
Image collecting device can include video camera, can be industrial high-precision video camera.It, can when being shot at night Can clearly image not acquired due to light problem, image collecting device can also include light source, be the video camera Shooting provides secondary light source, so as to obtain the appearance images of clearly spherical bearing.
Obtain the optimization design of bridge main truss structure temperature, the spherical bearing corner information, the spherical bearing position Move information, the occupied bridge upper rail information of the humiture of environment, running train, on the track speed of service of vehicle and/ Or processing can be analyzed it, determines temperature after the information such as appearance images of the axis weight of vehicle, spherical bearing on the track Which kind of influence degree, humidity, train operation situation etc. have spherical bearing.
In conclusion in the utility model embodiment, in proposition towards spherical bearing disease across railroad bridge greatly The equipment such as temperature sensor, corner measuring apparatus, displacement measuring device, image collecting device are employed in monitoring system, it can be with The corresponding information of automatic collection determines spherical bearing structural damage and cosmetic injury situation, without manually going to be surveyed to scene Amount, can monitor spherical bearing degree of impairment, save manpower and time automatically, improve monitoring spherical bearing degree of impairment Efficiency.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, the utility model embodiment can have various modifications and variations.All spirit in the utility model Within principle, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of monitoring system towards spherical bearing disease across railroad bridge greatly, which is characterized in that including:Temperature sensor, Corner measuring apparatus and displacement measuring device;
The temperature sensor is installed on the main couple greatly between the Bridge Pier of railway bridge, for obtaining optimization design of bridge main truss Structure temperature;
The corner measuring apparatus is installed on greatly across on the spherical bearing in the Bridge Pier of railway bridge, for measuring ball-type branch The corner information of seat;
Institute's displacement measurement device is installed on greatly across on the spherical bearing in the Bridge Pier of railway bridge, for measuring ball-type branch The displacement information of seat.
2. as described in claim 1 towards the monitoring system of spherical bearing disease across railroad bridge greatly, which is characterized in that also wrap It includes:Temperature Humidity Sensor is installed in Bridge Pier close to the position of spherical bearing, for measuring spherical bearing ambient enviroment Humiture.
3. as described in claim 1 towards the monitoring system of spherical bearing disease across railroad bridge greatly, which is characterized in that also wrap It includes:Laser displacement sensor or wheel track force measuring device;
The laser displacement sensor is installed on the main couple greatly between the Bridge Pier of railway bridge, for measuring a plurality of tracks Each track on train passage situation;
The wheel track force measuring device is installed on greatly across on the track of railway bridge, and compartment is respectively saved for obtaining rail vehicle on track Axis weight and speed.
4. as described in claim 1 towards the monitoring system of spherical bearing disease across railroad bridge greatly, which is characterized in that described Displacement measuring device includes magnetostrictive displacement sensor, stay wire displacement sensor or laser displacement sensor.
5. as described in claim 1 towards the monitoring system of spherical bearing disease across railroad bridge greatly, which is characterized in that described Corner measuring apparatus includes obliquity sensor.
6. as described in claim 1 towards the monitoring system of spherical bearing disease across railroad bridge greatly, which is characterized in that described Corner measuring apparatus includes:Linear displacement meter is installed on the both ends of spherical bearing upper bracket plate and lower support plate, for measuring ball Distance between the upper bracket plate and lower support plate of type bearing.
7. as described in claim 1 towards the monitoring system of spherical bearing disease across railroad bridge greatly, which is characterized in that also wrap It includes:Image collecting device is installed in Bridge Pier, towards spherical bearing, for obtaining the appearance images of spherical bearing.
8. as claimed in claim 7 towards the monitoring system of spherical bearing disease across railroad bridge greatly, which is characterized in that described Image collecting device is additionally operable to:Obtain the image of preset mark in spherical bearing upper bracket plate.
9. as claimed in claim 7 towards the monitoring system of spherical bearing disease across railroad bridge greatly, which is characterized in that described Image collecting device includes video camera.
10. as claimed in claim 9 towards the monitoring system of spherical bearing disease across railroad bridge greatly, which is characterized in that institute It states image collecting device and further includes light source, secondary light source is provided for video camera shooting.
CN201721651087.4U 2017-12-01 2017-12-01 Towards the monitoring system of spherical bearing disease across railroad bridge greatly Active CN207502197U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
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CN110146240A (en) * 2019-06-17 2019-08-20 无锡市高桥检测科技有限公司 Bridge detecting device, method and its analysis system
WO2020021778A1 (en) * 2018-07-27 2020-01-30 日本電気株式会社 Information processing device, system, method, and computer-readable medium
WO2020066504A1 (en) * 2018-09-27 2020-04-02 パナソニックIpマネジメント株式会社 Detection device and detection method
CN112854025A (en) * 2021-01-13 2021-05-28 中铁九局集团有限公司 Construction method for treating corner overrun defect of high-speed railway bridge support
WO2021103545A1 (en) * 2019-11-29 2021-06-03 南京毛勒工程材料有限公司 Device for measuring displacement in y-y direction of spherical bearing
WO2021103546A1 (en) * 2019-11-29 2021-06-03 南京毛勒工程材料有限公司 Vertical rotation angle measuring device for spherical support

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JPWO2020021778A1 (en) * 2018-07-27 2021-08-19 日本電気株式会社 Information processing equipment, systems, methods, and programs
WO2020021778A1 (en) * 2018-07-27 2020-01-30 日本電気株式会社 Information processing device, system, method, and computer-readable medium
US11790511B2 (en) 2018-07-27 2023-10-17 Nec Corporation Information processing device, system, and method
JP7047914B2 (en) 2018-07-27 2022-04-05 日本電気株式会社 Information processing equipment, systems, methods, and programs
CN112513564A (en) * 2018-07-27 2021-03-16 日本电气株式会社 Information processing apparatus, system, method, and computer-readable medium
JPWO2020066504A1 (en) * 2018-09-27 2021-09-09 パナソニックIpマネジメント株式会社 Detection device and detection method
CN112313493A (en) * 2018-09-27 2021-02-02 松下知识产权经营株式会社 Detection device and detection method
WO2020066504A1 (en) * 2018-09-27 2020-04-02 パナソニックIpマネジメント株式会社 Detection device and detection method
JP7382604B2 (en) 2018-09-27 2023-11-17 パナソニックIpマネジメント株式会社 Detection device and detection method
US11972554B2 (en) 2018-09-27 2024-04-30 Panasonic Intellectual Property Management Co., Ltd. Bearing displacement detection device and method
CN110146240A (en) * 2019-06-17 2019-08-20 无锡市高桥检测科技有限公司 Bridge detecting device, method and its analysis system
WO2021103545A1 (en) * 2019-11-29 2021-06-03 南京毛勒工程材料有限公司 Device for measuring displacement in y-y direction of spherical bearing
WO2021103546A1 (en) * 2019-11-29 2021-06-03 南京毛勒工程材料有限公司 Vertical rotation angle measuring device for spherical support
CN112854025A (en) * 2021-01-13 2021-05-28 中铁九局集团有限公司 Construction method for treating corner overrun defect of high-speed railway bridge support

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