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 PDFInfo
- 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
- Authority
- CN
- China
- Prior art keywords
- spherical bearing
- bridge
- greatly
- towards
- monitoring system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Machines For Laying And Maintaining Railways (AREA)
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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721651087.4U CN207502197U (en) | 2017-12-01 | 2017-12-01 | Towards the monitoring system of spherical bearing disease across railroad bridge greatly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721651087.4U CN207502197U (en) | 2017-12-01 | 2017-12-01 | Towards the monitoring system of spherical bearing disease across railroad bridge greatly |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207502197U true CN207502197U (en) | 2018-06-15 |
Family
ID=62507973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721651087.4U Active CN207502197U (en) | 2017-12-01 | 2017-12-01 | Towards the monitoring system of spherical bearing disease across railroad bridge greatly |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207502197U (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
2017
- 2017-12-01 CN CN201721651087.4U patent/CN207502197U/en active Active
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN207502197U (en) | Towards the monitoring system of spherical bearing disease across railroad bridge greatly | |
CN106284070B (en) | Light-duty carbon fiber cable-climbing robot with detecting system and its method for drag-line detection | |
US8516881B2 (en) | Test method for bogies as well as test stand and assembly stand | |
CN101377433B (en) | Method for measuring vehicle weight based on steel rail deformation / stress parameters | |
BR112014011421B1 (en) | methods for optimizing track and system performance for determining a section status profile should | |
CN109708983A (en) | A kind of fatigue test system and method for traffic loading application | |
CN109238374A (en) | The intellectual monitoring system of Long Span Railway Steel Bridge beam-ends telescopic device | |
CN107816975A (en) | Suspension type sky iron guideway beam automatic checkout system | |
CN107255545A (en) | Calibration test platform for force-measuring wheel set | |
CN108018747B (en) | Monitoring method and system for rail expansion regulator of high-speed railway ballasted track | |
Peng et al. | Wayside wheel-rail vertical contact force continuous detecting method and its application | |
RU2631891C1 (en) | System of diagnostics and remote control of wire tension force and cables of railway overhead system | |
US20180274966A1 (en) | Weight measuring device and the measuring method | |
CN205826193U (en) | A kind of dicycly cornering ratio detecting system | |
CN207515778U (en) | Suspension type sky iron track bridge automatic checkout system | |
CN205347909U (en) | There is flexible volume monitoring devices of tiny fragments of stone, coal, etc. track rail expansion device stock rail | |
CN207714052U (en) | High-speed railway Ballast track rail overlapping device monitors system | |
CN2885681Y (en) | Automatic resetting car retarder for mining | |
CN208704587U (en) | A kind of curve bridge laterally climbs shifting monitoring warning device | |
CN207501891U (en) | A kind of automatic detection vehicle skin beam device | |
CN105507100A (en) | Device and method for monitoring basic rail expansion amount of ballast track rail telescopic adjuster | |
CN105509650B (en) | The deformation monitoring device and method of railway double link beam-ends retractor device | |
CN205826192U (en) | A kind of monocycly cornering ratio detecting system | |
Jiang et al. | Study on essential maintenance of long-span bridge in railway | |
CN104692256B (en) | Lifting equipment safety control method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |