CN206529684U - Railroad bridge smart altitude adjusts bearing - Google Patents
Railroad bridge smart altitude adjusts bearing Download PDFInfo
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- CN206529684U CN206529684U CN201621175856.3U CN201621175856U CN206529684U CN 206529684 U CN206529684 U CN 206529684U CN 201621175856 U CN201621175856 U CN 201621175856U CN 206529684 U CN206529684 U CN 206529684U
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- analysis processing
- adjust automatically
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Abstract
Railroad bridge smart altitude adjust bearing, can monitor automatically pier top elevation change and realize automatically adjust compensate bearing apical side height, to adapt to the requirement of railway high ride.It includes pier top elevation automatic checkout system and the adjust automatically bearing being controlled by it, and adjust automatically bearing is arranged between each pier body top and beam body；The adjust automatically bearing includes the upper bracket for being fixedly mounted on beam body bottom and the undersetting for being fixedly mounted on pier body top, and it is arranged on the clapboard between upper bracket bottom surface and undersetting top surface, clapboard has along bridge to the inclined-plane of extension, and the linear reciprocating mechanism on pier body or beam body acts on a longitudinal end of clapboard；The pier top elevation automatic checkout system includes hydrostatic level and analysis processing device, hydrostatic level is fixedly installed on each pier body top, the altitude data of each pier body top surface of hydrostatic level collection is sent to analysis processing device, the relative relief of each pier body top surface is calculated by analysis processing device, when the discrepancy in elevation reaches certain threshold value, analysis processing device controls the linear reciprocating mechanism action of corresponding adjust automatically bearing, heightens or turn down the height of adjust automatically bearing.
Description
Technical field
The utility model is related to bridge pad, more particularly to a kind of railroad bridge smart altitude adjustment bearing.
Background technology
With the development of railway construction in China, the technical standard of railway is improved constantly, and particularly high-speed railway becomes to bridge
The requirement of shape is very strict.However, sedimentation change inevitably occurs for the high-speed rail bridge structure in nature, mainly
Priming factorses have：Temperature, shrinkage and creep, foundation uneven settlement.
The change of the bridge pier pier top discrepancy in elevation will produce following several respects problem：
The linear ride comfort of rail level is deteriorated, and influences the steady and security of high speed traveling；
Stress to bridge structure has a negative impact, particularly the redundant structure bridge such as continuous bridge, rigid frame bridge；
Also had adverse effect on for track stress.
With the development of railway construction, the problem of above-mentioned pier top discrepancy in elevation in the urgent need to address triggers.Particularly Southwest Mountainous Areas
Railway, with a varied topography along the line, mountain Gao Gushen, ravines and guillies criss-cross, the bridge pier discrepancy in elevation is big, and orbit altitude irregularity problem seems especially
It is important.And it is exactly using height-adjustable bearing to solve the pier top discrepancy in elevation to change most direct engineering means.Although in the past to adjustable
High bearing (only adjustable height) carried out some researchs, but achievement has its limitation.
Current adjustable height bearing mainly has screw thread to heighten to heighten (hydraulic pressure is heightened) with filled polyurethane and backing plate heightens three kinds
Regulative mode.
After screw thread height-adjustable supports are by hydraulic lifting, heighten nut travel to adjust height of support, in certain limit
It is interior can be using stepless changing as arbitrary height.But its stress is completely dependent on not being suitable for the big railway of dynamic load with screw thread pressure-bearing shearing resistance
Bridge.
Filled type height-adjustable supports carry out jacking using injection pressure pump, it is not necessary to be further provided with jack, because bridge pier temperature becomes
Shape (is expanded with heat and contract with cold), it is desirable to which bearing can not only be realized and heightened, and can also be turned down.The shortcoming of the bearing is can only to raise to drop
It is low, and a reservoir channel is used only once, adjustment number of times is than relatively limited.
It is most simple that backing plate heightens technical construction, if increase billet, but need jack that back is risen, construction peace
Congruent safeguard measure is more difficult, it is impossible to realize stepless height-regulating, while billet thickness is needed according to field measurement post-processing.
Above adjustment mode has following limitation, and backing plate, which is heightened, does not adapt to step-less adjustment；Screw thread is heightened, its stress
It is completely dependent on not being suitable for the big railroad bridge of dynamic load with screw thread pressure-bearing shearing resistance；Hydraulic pressure, which is heightened, can only raise and can not turn down, and
The number of times of adjustment is very limited；The situation of change of bridge pier elevation can not be grasped in time, it is impossible to which realization is automatically adjusted
Utility model content
Technical problem to be solved in the utility model is to provide a kind of railroad bridge smart altitude adjustment bearing, can be automatic
Monitoring pier top elevation, which changes and realized, automatically adjusts compensation bearing apical side height, to adapt to the requirement of railway high ride.
It is as follows that the utility model solves the technical scheme that its technical problem used：
Railroad bridge smart altitude of the present utility model adjusts bearing, it is characterized in that：It includes pier top elevation automatic detection
System and the adjust automatically bearing being controlled by it, adjust automatically bearing are arranged between each pier body top and beam body；It is described automatic
Adjustment bearing includes being fixedly mounted on the upper bracket of beam body bottom and is fixedly mounted on the undersetting on pier body top, and is arranged on
Clapboard between upper bracket bottom surface and undersetting top surface, clapboard has along bridge to the inclined-plane of extension, installed in pier body or
Linear reciprocating mechanism in beam body acts on a longitudinal end of clapboard；The pier top elevation automatic checkout system includes quiet
Power spirit level and analysis processing device, hydrostatic level are fixedly installed on each pier body top, each pier body of hydrostatic level collection
The altitude data of top surface is sent to analysis processing device, and the relative relief of each pier body top surface is calculated by analysis processing device, when
When the discrepancy in elevation reaches certain threshold value, analysis processing device controls the linear reciprocating mechanism action of corresponding adjust automatically bearing,
Heighten or turn down the height of adjust automatically bearing.
The beneficial effects of the utility model are that pier top Level monitoring unit can grasp the change of the pier top discrepancy in elevation, railway bridge in real time
Beam smart altitude adjusts bearing not by weather conditions, time restriction, realizes round-the-clock status monitoring, and regulation, meets railway in real time
The requirement of high ride；Adjust automatically bearing replaces manual adjustment, compensate for the deficiency of manual adjustment, improves narrow space cause
Make artificial operating difficulties, shorten adjustment time, evade the potential safety hazard that artificial operation is brought.Pass through clapboard both adjustable height
It can turn down again, principle is simple and convenient feasible, and precision is up to submillimeter level；
The utility model can be used in the Dun Liang connections of LONG-SPAN RAILWAY continuous bridge, arch bridge and same bridges.
Brief description of the drawings
This specification includes following two width accompanying drawing：
Fig. 1 is the composition and arrangement schematic diagram of the utility model railroad bridge smart altitude adjustment bearing；
Fig. 2 is the utility model railroad bridge smart altitude adjustment seat structure figure.
Component and corresponding mark are shown in figure：Beam body 10, pier body 11, hydrostatic level 21, analysis processing device 22, from
Dynamic adjustment bearing 30, upper bracket 31, undersetting 32, clapboard 33, electric pushrod 34, reaction frame 35.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
Referring to Figures 1 and 2, railroad bridge smart altitude adjustment bearing of the present utility model includes pier top elevation automatic detection
System and the adjust automatically bearing 30 being controlled by it, adjust automatically bearing 30 are arranged between each top of pier body 11 and beam body 10.
The adjust automatically bearing 30 includes being fixedly mounted on the upper bracket 31 of the bottom of beam body 10 and is fixedly mounted on the top of pier body 11
Undersetting 32, and the clapboard 33 being arranged between the bottom surface of upper bracket 31 and the top surface of undersetting 32, clapboard 33 have along bridge
To the inclined-plane of extension, the linear reciprocating mechanism on pier body 11 or beam body 10 acts on a longitudinal direction of clapboard 33
End.The pier top elevation automatic checkout system includes hydrostatic level 21 and analysis processing device 22, and hydrostatic level 21 is fixed
Each top of pier body 11 is arranged on, the altitude data for each top surface of pier body 11 that hydrostatic level 21 is gathered is sent to analysis processing device
22, the relative relief of each top surface of pier body 11 is calculated by analysis processing device 22, when the discrepancy in elevation reaches certain threshold value, analyzing and processing
Device 22 controls the linear reciprocating mechanism of corresponding adjust automatically bearing 30 to act, and heightens or turn down adjust automatically bearing
30 height.
The mechanism that the linear reciprocating mechanism can take various forms, the worm and gear machine such as driven by motor
Structure, hydraulic mechanism etc., from installing and being easy to consider in terms of control, a kind of easy mode is to use electric pushrod.Reference picture
2, the longitudinal end and reaction frame 35 of the two ends of electric pushrod respectively with clapboard 33 are hinged, and reaction frame 35 is fixedly mounted on beam body
10 bottom.
Reference picture 1, the distributed system architecture that elevation automatic monitoring system is used, by field monitoring equipment, monitoring unit
For hydrostatic level 21, centring system and terminal device are analysis processing device 22.Hydrostatic level 21 is real by the data of collection
When be transferred to analysis processing device 22, round-the-clock can carry out monitoring, it monitors time and Monitoring frequency can be according to monitoring situation
Automatic adjusument, can at utmost ensure the ageing of monitoring.Method of the system according to connecting pipe principle, measures each measuring point
The relative change of liquid level and datum mark water tank level, obtains relative settlement amount of this relative to basic point in sensor.
Reference picture 2, adjust automatically bearing 30 drives the change of the relative position of clapboard 33 to realize bearing by electric pushrod
The stepless changing of height, adjustable height or can both turn down, and instead of the mode of traditional artificial twisting adjusting screw rod, make up manual adjustment
Deficiency, can so be easily achieved the demand of Level tune power, improve due to operating space it is narrow and small caused by artificial operation
The factors such as difficulty, realize automatic regulation function.
Shrinkage and creep and foundation uneven settlement will make the reduction of bridge pier top surface, and temperature deformation can make bridge pier top surface with season
Change, enters the winter of low temperature from the summer of high temperature, and the environment temperature reduction of system, bridge pier top surface is decreased, entered from winter
Enter summer, the environment temperature rise of system, bridge pier top surface is then increased.Because each bridge pier height is different, it is influenced by temperature
When, pier top elevation variable quantity is also different, and the variable quantity of high pier will be than squat pier variable quantity.
Referring to Figures 1 and 2, cause when the reason such as differential settlement or environment temperature reduction occurs for basis under bridge pier top surface
Drop, now hydrostatic level 21 will monitor that each elevation of top surface declines situation, and gathered data is transferred into analysis processing device
22.The relative relief of each top surface is calculated by analysis processing device 22, when the discrepancy in elevation reaches certain threshold value, analyzing and processing center is just
It can send and heighten instruction to corresponding adjust automatically bearing 30, drive clapboard 33 to move inwards (away from electricity by its electric pushrod 34
The dynamic side of push rod 34), bearing will be raised, and each top surface of adjust automatically bearing 30 is maintained at same elevation, it is ensured that rail level it is flat
It is pliable, the corresponding second inner force for reducing bridge and track structure.
When weather is from when entering summer in winter, heat expansion deformation occurs for environment temperature rise, bridge pier, and bridge pier top surface will rise
Height, and the rise of high pier is bigger.Now hydrostatic level 21 will monitor each elevation of top surface rising condition, and will gather number
According to being transferred to analysis processing device 22.The relative relief of each top surface is calculated by analysis processing device 22, when the discrepancy in elevation reaches necessarily
During threshold value, analyzing and processing center, which will be sent, heightens instruction to corresponding adjust automatically bearing 30, and wedge is driven by its electric pushrod 34
Shape plate 33 is displaced outwardly (close to the side of electric pushrod 34), and bearing will be reduced, and be maintained at each top surface of adjust automatically bearing 30
Same elevation, it is ensured that the ride comfort of rail level, the corresponding second inner force for reducing bridge and track structure.
Some the of the present utility model principles described above that simply explain through diagrams, are not intended to the utility model being confined to
In shown and described concrete structure and the scope of application, therefore every corresponding modification for being possible to be utilized and equivalent,
Belong to the apllied the scope of the claims of the utility model.
Claims (2)
1. railroad bridge smart altitude adjusts bearing, it is characterized in that：It includes pier top elevation automatic checkout system and is controlled by it
Adjust automatically bearing (30), adjust automatically bearing (30) is arranged between each pier body (11) top and beam body (10)；It is described from
Dynamic adjustment bearing (30) includes being fixedly mounted on the upper bracket (31) of beam body (10) bottom and is fixedly mounted on pier body (11) top
Undersetting (32), and the clapboard (33) being arranged between upper bracket (31) bottom surface and undersetting (32) top surface, clapboard
(33) have along bridge to the inclined-plane of extension, the linear reciprocating mechanism on pier body (11) or beam body (10) is acted on
One longitudinal end of clapboard (33)；The pier top elevation automatic checkout system includes hydrostatic level (21) and analysis processing device
(22), hydrostatic level (21) is fixedly installed on each pier body (11) top, each pier body (11) top of hydrostatic level (21) collection
The altitude data in face is sent to analysis processing device (22), and the phase of each pier body (11) top surface is calculated by analysis processing device (22)
To the discrepancy in elevation, when the discrepancy in elevation reaches certain threshold value, analysis processing device (22) controls the straight line of corresponding adjust automatically bearing (30)
Reciprocating mechanism is acted, and heightens or turn down the height of adjust automatically bearing (30).
2. railroad bridge smart altitude as claimed in claim 1 adjusts bearing, it is characterized in that：The linear reciprocating mechanism
For electric pushrod, its two ends is hinged with the longitudinal end and reaction frame (35) of clapboard (33) respectively, the fixed peace of reaction frame (35)
Bottom mounted in beam body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621175856.3U CN206529684U (en) | 2016-10-27 | 2016-10-27 | Railroad bridge smart altitude adjusts bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621175856.3U CN206529684U (en) | 2016-10-27 | 2016-10-27 | Railroad bridge smart altitude adjusts bearing |
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| Publication Number | Publication Date |
|---|---|
| CN206529684U true CN206529684U (en) | 2017-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621175856.3U Active CN206529684U (en) | 2016-10-27 | 2016-10-27 | Railroad bridge smart altitude adjusts bearing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565674A (en) * | 2019-09-03 | 2019-12-13 | 重庆工商职业学院 | Foundation for a subside foundation |
| CN111455822A (en) * | 2020-04-22 | 2020-07-28 | 重庆交通大学 | Bridge superstructure unit adjusting device |
| CN112284612A (en) * | 2020-10-23 | 2021-01-29 | 成都济通路桥科技有限公司 | Operation period supporting device serial type calibration method and system |
| CN112709153A (en) * | 2020-12-30 | 2021-04-27 | 中铁二院工程集团有限责任公司 | Method for adjusting bridge deck line shape of high-speed rail large-span deck type arch bridge in operation period |
-
2016
- 2016-10-27 CN CN201621175856.3U patent/CN206529684U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565674A (en) * | 2019-09-03 | 2019-12-13 | 重庆工商职业学院 | Foundation for a subside foundation |
| CN110565674B (en) * | 2019-09-03 | 2021-04-16 | 重庆工商职业学院 | Foundation for a subside foundation |
| CN111455822A (en) * | 2020-04-22 | 2020-07-28 | 重庆交通大学 | Bridge superstructure unit adjusting device |
| CN112284612A (en) * | 2020-10-23 | 2021-01-29 | 成都济通路桥科技有限公司 | Operation period supporting device serial type calibration method and system |
| CN112709153A (en) * | 2020-12-30 | 2021-04-27 | 中铁二院工程集团有限责任公司 | Method for adjusting bridge deck line shape of high-speed rail large-span deck type arch bridge in operation period |
| CN112709153B (en) * | 2020-12-30 | 2022-04-26 | 中铁二院工程集团有限责任公司 | Method for adjusting bridge deck line shape of high-speed rail large-span deck type arch bridge in operation period |
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