CN208792112U - A kind of subgrade deformation displacement amplification device - Google Patents
A kind of subgrade deformation displacement amplification device Download PDFInfo
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- CN208792112U CN208792112U CN201821408469.9U CN201821408469U CN208792112U CN 208792112 U CN208792112 U CN 208792112U CN 201821408469 U CN201821408469 U CN 201821408469U CN 208792112 U CN208792112 U CN 208792112U
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Abstract
The utility model discloses a kind of subgrade deformation displacement amplification devices, including the position stake with road bed Joint to be examined, prefabricated benchmark pillar and rigid lever positioned at institute's rheme stake side；Wherein, the top of the prefabricated benchmark pillar is higher than the top of institute's rheme stake, and the linear distance between the top of the prefabricated benchmark pillar and the top of institute's rheme stake is less than the half of the rigid lever length；Described rigid lever one end at the top of flexural pivot and institute's rheme stake by being connected；Position corresponding with the top of the prefabricated benchmark pillar at the top of flexural pivot and the prefabricated benchmark pillar by being connected in the rigid lever.The utility model has the following beneficial effects: the subgrade deformation displacement amplification device low cost, not interfering that traffic safety, displacement equations precision are high, enter without personnel, do not destroy roadbed.
Description
Technical field
The utility model relates to railway bed monitoring technical fields, and in particular to a kind of subgrade deformation displacement amplification device.
Background technique
High-speed railway during operation, due to various reasons caused by settlement of subgrade or rising etc. deform, drop
Low roadbed ride comfort influences Comfortability of Train even operational safety, it is therefore desirable to perpendicular to being likely to occur or roadbed often occur
It is monitored to the region of deformation, to understand subgrade deformation situation in time and to take measures on customs clearance, ensures train driving safety.
Due to the totally-enclosed operation of high-speed railway, and remote districts, awful weather area artificially monitor difficulty, do not have people
Continuously to monitor condition.And although China Beidou satellite system can realize the full-automatic vertical monitoring accuracy of Centimeter Level at present,
Deformation displacement millimetre-sized for high-speed railway, monitoring accuracy cannot still be met the requirements.
In order to which GPS or big-dipper satellite monitoring function are used in the round-the-clock continuous monitoring of high-speed railway subgrade deformation displacement,
Monitoring accuracy is needed to reach millimetre-sized automated watch-keeping facility.
Utility model content
Although can realize the full-automatic vertical monitoring of Centimeter Level to solve current China's Beidou satellite system in the prior art
Precision, but deformation displacement millimetre-sized for high-speed railway, the above-mentioned technical problem that monitoring accuracy cannot still be met the requirements, this
Utility model provides a kind of subgrade deformation displacement amplification device, can be by high speed by the subgrade deformation displacement amplification device
The millimetre-sized deformation of railway bed is lossless to be amplified to Centimeter Level, reaches the accuracy rating that satellite can monitor, can pass through GPS
Or big-dipper satellite realizes round-the-clock continual accurate monitoring.
To achieve the above object, the technical solution adopted in the utility model are as follows:
A kind of subgrade deformation displacement amplification device, including with road bed Joint to be examined position stake, be located at institute's rheme stake
The prefabricated benchmark pillar and rigid lever of side；Wherein,
The top of the prefabricated benchmark pillar is higher than the top of institute's rheme stake, and the top of the prefabricated benchmark pillar and institute
Linear distance between the top of rheme stake is less than the half of the rigid lever length；
Described rigid lever one end at the top of flexural pivot and institute's rheme stake by being connected；
In the rigid lever position corresponding with the top of the prefabricated benchmark pillar by flexural pivot with it is described prefabricated
It is connected at the top of benchmark pillar.
The subgrade deformation displacement amplification device low cost does not interfere traffic safety, displacement equations precision height, without personnel
Into, do not destroy roadbed.
Preferably, the flexural pivot passes through the top Joint of ball hinged support and institute's rheme stake.
Preferably, the flexural pivot passes through the top Joint of ball hinged support and the prefabricated benchmark pillar.
Preferably, the free end of the rigid lever is equipped with signal receiver.
Preferably, the signal receiver is satellite signal receiver.
Preferably, it is equipped with close to the position of the subgrade deformation displacement amplification device for being energized to the signal receiver
Power supply device, and the signal receiver is electrically connected with the power supply device.
Preferably, the power supply device is solar panel.
Preferably, institute's rheme stake passes through cementation method and road bed Joint to be examined.
The utility model has the following beneficial effects:
1. being amplified to Centimeter Level for the millimetre-sized vertical deformation of high-speed railway subgrade is lossless, mentioned to realize that satellite precisely monitors
Precondition is supplied.
2. entering scene without personnel, it is particularly suitable for remote or strategically located and difficult of access orographic condition mountain area.
3. the operating error for reducing the labor intensity of manual measurement and artificially monitoring, not by time, region, weather etc.
Factor influences, it can be achieved that round-the-clock accurate monitoring.
4. monitoring data are calculated automatically, handled by terminal system, dynamic monitoring data in real time are shown.
Detailed description of the invention
Fig. 1 is the schematic diagram of the satellite remote supervision system of the utility model embodiment；
Fig. 2 is the structural schematic diagram of the subgrade deformation displacement amplification device of the utility model embodiment.
In figure,
1- satellite signal receiver；2- rigid lever；3- flexural pivot；4- stakes；The prefabricated benchmark pillar of 5-；6- satellite navigation system
System signal.
Specific embodiment
Explanation is explained in detail to the structure of the utility model with reference to the accompanying drawing.
As shown in Figure 1 to Figure 2, a kind of subgrade deformation displacement amplification device provided by the embodiment of the utility model, can have
Body is a kind of railway bed deformation displacement amplifying device comprising satellite signal receiver 1, rigid lever 2, flexural pivot 3, to cautious
The position stake 4 of road bed and prefabricated benchmark pillar 5.
A kind of subgrade deformation displacement amplification device provided by the embodiment of the utility model, the satellite signal receiver 1
In the end at the long end of the rigid lever 2, for receiving satellite navigation system signals 6, the satellite signal receiver 1 is by connecing
It receives, tracking, convert and measure satellite navigation system signals 6, it is accurate to determine self-position variation.It is put in subgrade deformation displacement
Big device is nearby equipped with solar panel, and the solar panel is connected with the satellite signal receiver 1, defends to be described
Star signal receiver 1 provides electric energy.
A kind of subgrade deformation displacement amplification device provided by the embodiment of the utility model, 1 institute of satellite signal receiver
The vertical displacement variation monitored is passed indoor controlling terminal back by 4G transmission or other methods, is used for related technical personnel.
A kind of subgrade deformation displacement amplification device provided by the embodiment of the utility model, prefabricated 5 bottom end of benchmark pillar
Bury the deep range of jelly depth enough below, so that it will not move because of rising or falling for roadbed filling, the prefabricated benchmark
5 top of pillar is connected with the ball hinged support, for fixing flexural pivot 3；The prefabricated benchmark pillar 5 by the prefabricated completion of precasting yard,
With enough strength and stiffness, will not deform because of extraneous factors such as temperature, humidity, soil deformations.
A kind of subgrade deformation displacement amplification device provided by the embodiment of the utility model, 2 short end of rigid lever and institute
Flexural pivot 3 on the stake position of roadbed road bed to be examined is stated to be connected, the long end of the rigid lever 2 (namely it is rigid in the present embodiment
The free end of property lever 2) it is connected with institute satellite signal receiver 1, the rigid lever 2 should have good intensity, rigidity and resistance to
Long property will not be deformed because the extraneous factors such as temperature, humidity change.
A kind of subgrade deformation displacement amplification device provided by the embodiment of the utility model, described two flexural pivots 3 are installed respectively
In on the prefabricated benchmark pillar 5 and position of the road bed to be examined stake 4, road bed deformation is may be implemented in the flexural pivot 3
The accessible transmitting of satellite signal receiver 1 is transmitted to by rigid lever 2, will not make the rigid lever 2 generate stress and
Cause to deform.The position stake 4 of the road bed to be examined is connected firmly by cementing or other means with road bed to be examined, for institute
It states subgrade deformation displacement amplification device and the original vertical displacement of road bed is provided.
A kind of subgrade deformation displacement amplification device provided by the embodiment of the utility model, implementation principle are as follows:
High-speed railway subgrade is directly reflected into the position stake 4 of road bed to be examined, milli because of the vertical deformation that a variety of causes generates
The micro-strain of meter level passes through the transmitting of rigid lever 2, and millimetre-sized roadbed vertical deformation is amplified to Centimeter Level, satellite navigation
System emit navigator fix signal, to satellite signal receiver 1 provide information resources, satellite signal receiver 1 can receive, with
Track, transformation and measurement satellite navigation system signals 6, can carry out navigator fix measurement with satellite-signal at any time.It will defend
Star signal receiver 1 is mounted on the long end of rigid lever 2, can be connect by monitoring the satellite-signal at the long end of the rigid lever 2
The vertical displacement of receipts machine 1 further obtains the displacement of road bed true vertical, then passes through current existing 4G or other wireless transmissions
The vertical displacement variable quantity that satellite signal receiver 1 receives is transferred to indoor controlling terminal by technology, realize it is round-the-clock it is complete from
Dynamic monitoring.The deformation of road bed true vertical can be obtained by the relationship between lever arm of force in the interior controlling terminal.
A kind of subgrade deformation displacement amplification device provided by the embodiment of the utility model, the prefabricated benchmark pillar 5 and institute
The flexural pivot 3 in the position stake 4 of road bed to be examined is stated, the rigid lever 2 can be made to be not limited in a vertical plane up and down
Rotation avoids generating stress inside rigid lever 2 due to causing to deform, influences to amplify precision.
A kind of subgrade deformation displacement amplification device provided by the embodiment of the utility model, it is vertical due to road bed to be examined
It is an arc length after displacement response to amplification end (free end of the i.e. described rigid lever 2), is not proper vertical
Displacement, it is therefore desirable to which the subgrade deformation displacement amplification device is demarcated.By artificially changing the road bed to be examined
Position stake 4 on flexural pivot 3 vertical displacement, the displacement enlargement at measuring and amplifying end carries out the calculation formula that is obtained by lever principle
Revision, H=kih (wherein H is actual displacement, and ki is correction factor, and h is the displacement that satellite signal receiver 1 monitors), with
Accurate relationship between the two is obtained, in satellite monitoring terminal data processing, according to the formula of this revision or the knot of calibration
Fruit converts to obtain practical road bed vertical deformation displacement.
A kind of subgrade deformation displacement amplification device provided by the embodiment of the utility model, specific setting up procedure and the course of work
It is as follows:
1. when roadbed filling to the prefabricated 5 end designed elevation of benchmark pillar, burying prefabricated benchmark branch in design position
Column 5, it is then filling roadbed according to construction plan continuation, or after subgrade construction, then squeeze into prefabricated benchmark pillar 5.
2. after the completion of entire rail portion construction, position stake 4 as shown in Figure 2 is disposed in road bed, then install described
Flexural pivot 3 and the rigid lever 2 finally install the satellite signal receiver 1, power supply needed for the satellite signal receiver 1
Solar panel offer is provided, other sources are also possible to.
3. debugging the subgrade deformation displacement amplification device, flexural pivot 3 is perpendicular in the position stake 4 by changing road bed to be examined
To displacement, the displacement enlargement at measuring and amplifying end revises the calculation formula obtained by lever principle, obtains smart between the two
True relationship.
4. existing satellite navigation system location technology is utilized, to amplify the vertical displacement at end as test point, to road bed
Deformation displacement carries out round-the-clock wireless monitor, and monitoring data, to the processing of data controlling terminal, are obtained in real time by 4G network transmission
Roadbed vertical deformation displacement.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modification, equivalent replacement and simple modifications etc., should be included in the protection of the utility model in novel substantive content
Within the scope of.
Claims (8)
1. a kind of subgrade deformation displacement amplification device, which is characterized in that including with road bed Joint to be examined position stake (4),
Prefabricated benchmark pillar (5) and rigid lever (2) positioned at institute rheme stake (4) side；Wherein,
The top of the prefabricated benchmark pillar (5) is higher than the top of institute's rheme stake (4), and the top of the prefabricated benchmark pillar (5)
Linear distance between portion and the top of institute's rheme stake (4) is less than the half of the rigid lever (2) length；
Described rigid lever (2) one end at the top of flexural pivot (3) and institute's rheme stake (4) by being connected；
On the rigid lever (2) position corresponding with the top of the prefabricated benchmark pillar (5) by flexural pivot (3) with it is described
It is connected at the top of prefabricated benchmark pillar (5).
2. subgrade deformation displacement amplification device according to claim 1, which is characterized in that the flexural pivot (3) passes through flexural pivot
The top Joint of support and institute's rheme stake (4).
3. subgrade deformation displacement amplification device according to claim 1, which is characterized in that the flexural pivot (3) passes through flexural pivot
The top Joint of support and the prefabricated benchmark pillar (5).
4. subgrade deformation displacement amplification device according to claim 1, which is characterized in that the rigid lever (2) from
Signal receiver is equipped with by end.
5. subgrade deformation displacement amplification device according to claim 4, which is characterized in that the signal receiver is satellite
Signal receiver (1).
6. subgrade deformation displacement amplification device according to claim 4, which is characterized in that be displaced close to the subgrade deformation
The position of amplifying device is equipped with the power supply device for energizing to the signal receiver, and the signal receiver and the confession
It can device electrical connection.
7. subgrade deformation displacement amplification device according to claim 6, which is characterized in that the power supply device is solar energy
Solar panel.
8. subgrade deformation displacement amplification device according to claim 1, which is characterized in that institute's rheme stake (4) passes through cementing
Mode and road bed Joint to be examined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821408469.9U CN208792112U (en) | 2018-08-29 | 2018-08-29 | A kind of subgrade deformation displacement amplification device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821408469.9U CN208792112U (en) | 2018-08-29 | 2018-08-29 | A kind of subgrade deformation displacement amplification device |
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| CN208792112U true CN208792112U (en) | 2019-04-26 |
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| CN201821408469.9U Active CN208792112U (en) | 2018-08-29 | 2018-08-29 | A kind of subgrade deformation displacement amplification device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284382A (en) * | 2019-07-15 | 2019-09-27 | 中铁第一勘察设计院集团有限公司 | The round-the-clock monitoring device of High Speed Railway flowering structure object relative settlement |
| CN111829440A (en) * | 2020-07-28 | 2020-10-27 | 重庆大学 | Lever principle-based slip surface displacement monitoring device and measuring method thereof |
-
2018
- 2018-08-29 CN CN201821408469.9U patent/CN208792112U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284382A (en) * | 2019-07-15 | 2019-09-27 | 中铁第一勘察设计院集团有限公司 | The round-the-clock monitoring device of High Speed Railway flowering structure object relative settlement |
| CN111829440A (en) * | 2020-07-28 | 2020-10-27 | 重庆大学 | Lever principle-based slip surface displacement monitoring device and measuring method thereof |
| CN111829440B (en) * | 2020-07-28 | 2022-03-29 | 重庆大学 | Lever principle-based slip surface displacement monitoring device and measuring method thereof |
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