CN207937180U - Monitoring on Earth Pressure system for shield model test machine - Google Patents
Monitoring on Earth Pressure system for shield model test machine Download PDFInfo
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- CN207937180U CN207937180U CN201820401611.0U CN201820401611U CN207937180U CN 207937180 U CN207937180 U CN 207937180U CN 201820401611 U CN201820401611 U CN 201820401611U CN 207937180 U CN207937180 U CN 207937180U
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- soil
- soil pressure
- pressure sensor
- cutterhead
- cabin
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Abstract
The utility model provides a kind of Monitoring on Earth Pressure system for shield model test machine.The system includes：Cutterhead soil pressure sensor, muddy water cabin or soil cabin pressure sensor, shield shell soil pressure sensor, section of jurisdiction soil pressure sensor, wireless signal transmission transmitter, wireless signal receiver, data acquisition and analysis system.Soil pressure sensor is embedded on cutter head panel respectively, on shield shell muddy water cabin or soil cabin panel, shield shell surface and section of jurisdiction surface, a certain amount of sensor shares a wireless signal transmission transmitter, for emitting signal, wireless receiver is exported with current signal, current signal is converted into soil pressure force data by data collection and analysis instrument by calibration standard, so as to cutterhead in timely monitor model shield machine tunneling process, muddy water storehouse, Water And Earth Pressures at shield shell-and-tube piece, and voluntarily constitute closed feedback regulating system, slush pump working condition is controlled to ensure that model shielding machine safe and smooth can promote.
Description
Technical field
The utility model is related to shield driving technical field more particularly to a kind of soil pressures for shield model test machine
Monitoring system.
Background technology
As shield technique rapidly develops in China, more and more tunnel construction are tended to select shield-tunneling construction.However,
The tunneling process of the hydrology and geological conditions complicated in face of these, shield is that dynamic is changeable and uncertain, and many factors all can
Influence the safety of driving, it is therefore desirable to carry out indoor model test and be studied.Soil pressure in the driving experiment of shield model
It monitors particularly significant, for the research correlation theories such as shield-soil interaction mechanism, needs to form mating comprehensive monitoring and controlling system
System.
Currently, there are no one kind in the prior art can monitor cutterhead, shield shell, section of jurisdiction simultaneously in the driving experiment of shield model
The monitoring system of pressure change, especially faces the component of this dynamic rotary of cutterhead, and wired pressure sensor can not be arranged.
Utility model content
The embodiments of the present invention provide a kind of Monitoring on Earth Pressure system for shield model test machine, to solve
Problem of the prior art.
To achieve the goals above, the utility model takes following technical solution.
A kind of Monitoring on Earth Pressure system for shield model test machine, the shield model test machine includes cutterhead, mud
Water tank or soil cabin, shield shell, the system comprises：
Multiple cutterhead soil pressure sensors, each cutterhead soil pressure sensor are fixedly installed in the face of cutterhead respectively
On plate, for measuring the pressure value between cutterhead and soil；
Multiple wireless signal transmission transmitters, each wireless signal transmission transmitter connect one or more by circuit
Cutterhead soil pressure sensor, obtains the pressure value that each cutterhead soil pressure sensor transmits, and transmitting carries each cutterhead
The wireless signal of the pressure value of soil pressure sensor；
Wireless signal receiver is placed in the outside of shield model test machine, for receiving each wireless signal transmission transmitting
The wireless signal of device transmitting, is converted to current signal by wireless signal, current signal is exported and gives data collection and analysis instrument；
Data collection and analysis instrument is placed in the outside of shield model test machine, will be received for passing through Data Conversion Protocol
Current signal be converted into the soil pressure force data at corresponding cutterhead.
Further, the system further includes：
Multiple muddy water cabins or earth pressure of chamber sensor, each the muddy water cabin or earth pressure of chamber sensor are solid respectively
On partition board of the Dingan County loaded on muddy water cabin or soil cabin, for measuring the mud hydraulic pressure numerical value in muddy water cabin or soil cabin.
Further, the system further includes：
Multiple shield shell soil pressure sensors, each shield shell soil pressure sensor are fixedly installed in the table of shield shell respectively
On face, for measuring the pressure value between shield shell and soil.
Further, the system further includes：
Multiple section of jurisdiction soil pressure sensors, each section of jurisdiction soil pressure sensor are fixedly installed in shield model respectively
On the surface of the section of jurisdiction of testing machine, for measuring the pressure value between section of jurisdiction and soil.
Further, the data collecting instrument wire circuit connects the shield shell soil pressure sensor, muddy water cabin or soil cabin
Partition board soil pressure sensor and section of jurisdiction soil pressure sensor obtain the soil pressure at the shield shell that shield shell soil pressure sensor transmits
Power numerical value obtains the soil pressure numerical value at the muddy water storehouse or soil cabin that muddy water cabin or earth pressure of chamber sensor transmissions come, obtains
Soil pressure numerical value at the section of jurisdiction that section of jurisdiction soil pressure sensor transmits.
Further, the wireless signal transmitter is fixedly mounted on the outside of the main drive shaft of shield model test machine,
The cutterhead soil pressure sensor is mounted on cutterhead spoke, by the signal wire of the cutterhead soil pressure sensor along hollow
Muddy water cabin is passed through in main drive shaft or soil cabin is drawn, and is connected on the wireless signal transmitter.
Further, the cutterhead soil pressure sensor, muddy water cabin or earth pressure of chamber sensor, shield shell soil pressure sensing
Device and section of jurisdiction soil pressure sensor are fixedly mounted on by glue on mounting hole, and the glue is sealed the mounting hole.
Further, the cutterhead soil pressure sensor, muddy water cabin or earth pressure of chamber sensor, shield shell soil pressure sensing
Device and section of jurisdiction soil pressure sensor are centrosymmetric distribution.
The utility model embodiment provides it can be seen from the technical solution that above-mentioned the embodiments of the present invention provide
A kind of comprehensive monitor control system can carry out the Water And Earth Pressures data at cutterhead, muddy water storehouse, shield shell-and-tube piece real-time
Monitoring, it is ensured that shield model test machine can tunnel safely.
The additional aspect of the utility model and advantage will be set forth in part in the description, these will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of work for Monitoring on Earth Pressure system for shield model test machine that the utility model embodiment provides
Make principle schematic；
Fig. 2 is a kind of arrangement schematic diagram for cutterhead soil pressure sensor that the utility model embodiment provides；
Fig. 3 is the arrangement schematic diagram of a kind of muddy water cabin that the utility model embodiment provides or earth pressure of chamber sensor；
Fig. 4 is a kind of arrangement schematic diagram for shield shell soil pressure sensor that the utility model embodiment provides；
Fig. 5 is a kind of arrangement schematic diagram for section of jurisdiction soil pressure sensor that the utility model embodiment provides.
Specific implementation mode
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein
Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and cannot be construed to this practicality
Novel limitation.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that being used in the specification of the utility model
Wording " comprising " refer to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or
Other one or more features of addition, integer, step, operation, element, component and/or their group.It should be understood that working as us
Claim element to be " connected " or when " coupled " to another element, it can be directly connected or coupled to other elements, or can also
There are intermediary elements.In addition, " connection " used herein or " coupling " may include being wirelessly connected or coupling.It is used herein to arrange
Diction "and/or" includes any cell of one or more associated list items and all combines.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology) there is meaning identical with the general understanding of the those of ordinary skill in the utility model fields.Also
It should be understood that those terms such as defined in the general dictionary should be understood that with in the context of the prior art
The consistent meaning of meaning, and unless defined as here, will not be explained with the meaning of idealization or too formal.
For ease of the understanding to the utility model embodiment, done by taking several specific embodiments as an example below in conjunction with attached drawing into
The explanation of one step, and each embodiment does not constitute the restriction to the utility model embodiment.
Embodiment one
In order to solve the problems, such as that the prior art lacks the monitoring system of cutterhead, shield shell, section of jurisdiction pressure change of can monitoring simultaneously,
The utility model embodiment provides a kind of Monitoring on Earth Pressure system for shield model test machine, so as to practical shield
Structure-soil interaction mechanism is furtherd investigate.
Shield model test machine includes cutterhead 9 (face), muddy water cabin or soil cabin, shield shell.The utility model embodiment carries
A kind of structural schematic diagram of the Monitoring on Earth Pressure system for shield model test machine supplied is as shown in Figure 1, include：
Multiple cutterhead soil pressure sensors 1, each cutterhead soil pressure sensor 1 are fixedly installed in the panel of cutterhead respectively
On, the interaction force of cutterhead and soil can be monitored, for measuring the pressure value between cutterhead and soil；Fig. 2 is the utility model
A kind of arrangement schematic diagram for cutterhead soil pressure sensor that embodiment provides.Water And Earth Pressures at storehouse or soil cabin, shield shell-and-tube piece
Data.The quantity of the cutterhead soil pressure sensor can be 16, and the laying mode of cutterhead soil pressure sensor can be in
Central symmetry is distributed.
Multiple muddy water cabins or earth pressure of chamber sensor 2, each muddy water cabin or earth pressure of chamber sensor 2 are fixed respectively to pacify
On partition board loaded on muddy water cabin or soil cabin, the mud hydraulic pressure in muddy water cabin or soil cabin can measure；Fig. 3 is the utility model embodiment
The arrangement schematic diagram in a kind of muddy water cabin or earth pressure of chamber sensor that provide.The quantity of muddy water cabin or earth pressure of chamber sensor
It can be 8, the laying mode of muddy water cabin or earth pressure of chamber sensor 2 can be centrosymmetric distribution.
Multiple shield shell soil pressure sensors 3, each shield shell soil pressure sensor 3 are fixedly installed in the surface of shield shell respectively
On, the interaction force of shield shell and soil can be monitored, the pressure value between shield shell and soil is measured；Fig. 4 is that the utility model is implemented
A kind of arrangement schematic diagram for shield shell soil pressure sensor that example provides.The quantity of shield shell soil pressure sensor can be 64, shield
The laying mode of shell soil pressure sensor can be centrosymmetric distribution.
Multiple section of jurisdiction soil pressure sensors 4, each section of jurisdiction soil pressure sensor 4 are fixedly installed in the table of model section of jurisdiction respectively
On face, the interaction force of section of jurisdiction and soil can be monitored；Fig. 5 is a kind of section of jurisdiction soil pressure sensing that the utility model embodiment provides
The arrangement schematic diagram of device.The quantity of section of jurisdiction soil pressure sensor is 16, and the laying mode of section of jurisdiction soil pressure sensor can be in
Central symmetry is distributed.
Multiple wireless signal transmission transmitters 5, each wireless signal transmission transmitter 5 connect one or more by circuit
A cutterhead soil pressure sensor 1, obtains the pressure value that each cutterhead soil pressure sensor 1 transmits, and transmitting carries each
The wireless signal of the pressure value of cutterhead soil pressure sensor 1；
Wireless signal receiver 6, wireless signal receiver 6 are placed in outside shield model test machine, for receiving each nothing
The wireless signal that line signal transmission transmitter 5 emits, and wireless signal is converted into current signal, current signal is exported to number
According to acquisition and analysis instrument 7；
Data collection and analysis instrument 7 passes through wired connection shield shell soil pressure sensor, muddy water cabin or earth pressure of chamber sensor
With section of jurisdiction soil pressure sensor, the soil pressure numerical value at the shield shell that each shield shell soil pressure sensor transmits is obtained, is obtained
Soil pressure numerical value at muddy water storehouse that each muddy water cabin or earth pressure of chamber sensor transmissions come or soil cabin, obtains each section of jurisdiction
Soil pressure numerical value at the section of jurisdiction that soil pressure sensor transmits.
The soil pressure force data being also converted into the current signal received by Data Conversion Protocol at cutterhead.
Embodiment two
This embodiment offers a kind of test methods of the Monitoring on Earth Pressure system for shield model test machine, including with
Lower step：
S1：The installation of size corresponding with cutterhead soil pressure sensor is set on the cutterhead 9 of shield model test machine
Hole；In muddy water cabin or soil cabin 10, the mounting hole of size corresponding with muddy water cabin or earth pressure of chamber sensor is set；In shield shell
The mounting hole of upper setting size corresponding with shield shell soil pressure sensor；Setting and section of jurisdiction soil pressure sensor phase on section of jurisdiction
The mounting hole of corresponding size.
S2：It will need cutterhead soil pressure sensor 1, muddy water cabin or earth pressure of chamber sensor 2 to be mounted, shield shell soil pressure
Sensor 3 and/or section of jurisdiction soil pressure sensor are classified according to installation site, size, and are carried out to pressure sensor
Number.By cutterhead soil pressure sensor 1, muddy water cabin or earth pressure of chamber sensor 2, shield shell soil pressure sensor 3 and/or section of jurisdiction
Soil pressure sensor is mounted on the solid special glue of peace on corresponding mounting hole, and such glue, which can guarantee, is equipped with soil pressure sensor
Mounting hole sealing, the impurity such as high hydraulic pressure Xia Shui, soil cannot enter testing machine inside.
Those skilled in the art will be understood that the mounting means of above-mentioned each soil pressure sensor is only for example, other are existing
Or the mounting means of soil pressure sensor that is likely to occur from now on be such as applicable to the utility model embodiment, should also be included in
Within scope of protection of the utility model, and it is incorporated herein by reference herein.
S3：The directly wired company of soil pressure sensor that shield shell, muddy water cabin or soil cabin partition board and model pipe on piece are installed
Connect the data collecting instrument outside shield model test machine.Above-mentioned soil pressure sensor can be soil pressure cell.
S4：Wireless signal receiver 6 is placed in the outside of shield model test machine, for receiving wireless signal, and will be wireless
After signal is converted to current signal, export to data collection and analysis instrument 7；
S5：Wireless signal transmitter 6 is fixedly secured on the outside of the main drive shaft of shield model test machine, and will be mounted on
The signal wire of cutterhead soil pressure sensor on cutterhead spoke passes through muddy water cabin along hollow main drive shaft or soil cabin is drawn, and
It is connected on wireless signal transmitter 6；
S6：Wireless signal receiver 6 is connected into data collection and analysis instrument 7,
Wireless signal transmission transmitter obtains the pressure value that each cutterhead soil pressure sensor transmits, and transmitting carries
The wireless signal of the pressure value of each cutterhead soil pressure sensor, the wireless signal receiver receive each wireless signal and pass
The wireless signal of defeated transmitter transmitting, the unified conversion of wireless signal that pressure value will be carried by zigBee Pro procotols
At the micro current signal of 0-5mA, current signal to be exported and gives data collection and analysis instrument, the data collection and analysis instrument passes through more
Micro current signal, is converted to the soil pressure force data at cutterhead by grade field calibration.According to obtained soil pressure force data to entirely supervising
Examining system is debugged.
During the experiment, the power that the pressure sensor at each position can be applied to 1kN, detects the pressure signal of output
It is whether correct, and record the number that data have abnormal pressure sensor.
S7：Muddy water pump is connected on data collection and analysis instrument, by data collection and analysis instrument to the collected cutterhead of institute
Water And Earth Pressures numerical value, Water And Earth Pressures numerical value at muddy water storehouse or soil cabin be compared, then feedback adjustment muddy water pump
Working condition.If the Water And Earth Pressures numerical value at muddy water storehouse or soil cabin reduces muddy water pump higher than the Water And Earth Pressures numerical value at cutterhead
Flow；If the Water And Earth Pressures numerical value at muddy water storehouse or soil cabin increases muddy water pump less than the Water And Earth Pressures numerical value at cutterhead
Flow.To ensure that muddy water storehouse pressure keeps dynamic equilibrium with cutterhead pressure, so that it is guaranteed that shield model test machine can be safe
Driving.
In conclusion the utility model embodiment provides a kind of Monitoring on Earth Pressure of comprehensive shield model test machine
System can monitor the Water And Earth Pressures data at cutterhead, muddy water storehouse, shield shell-and-tube piece in real time.It is acquired simultaneously by data
The working condition of analyzer feedback control muddy water pump, voluntarily constitutes closed feedback regulating system, controls muddy water pump work state, with
This ensures that muddy water storehouse pressure keeps dynamic equilibrium with area surface pressure, so that it is guaranteed that shield model test machine can tunnel safely,
The difficulty for successfully solving the soil pressure cell data transmission on cutterhead realizes comprehensive to shield-soil interaction power
Monitoring, having widened the driving experiment of shield model can research range.
One of ordinary skill in the art will appreciate that：Attached drawing is the schematic diagram of one embodiment, module in attached drawing or
Flow is not necessarily implemented necessary to the utility model.
Each embodiment in this specification is described in a progressive manner, identical similar portion between each embodiment
Point just to refer each other, and each embodiment focuses on the differences from other embodiments.Especially for device or
For system embodiment, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to method
The part of embodiment illustrates.Apparatus and system embodiment described above is only schematical, wherein the conduct
The unit that separating component illustrates may or may not be physically separated, the component shown as unit can be or
Person may not be physical unit, you can be located at a place, or may be distributed over multiple network units.It can root
According to actual need that some or all of module therein is selected to achieve the purpose of the solution of this embodiment.Ordinary skill
Personnel are without creative efforts, you can to understand and implement.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
It is confined to this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should
It is subject to the protection scope in claims.
Claims (8)
1. a kind of Monitoring on Earth Pressure system for shield model test machine, the shield model test machine includes cutterhead, muddy water
Cabin or soil cabin, shield shell, which is characterized in that the system comprises：
Multiple cutterhead soil pressure sensors, each cutterhead soil pressure sensor are fixedly installed in the panel of cutterhead respectively
On, for measuring the pressure value between cutterhead and soil；
Multiple wireless signal transmission transmitters, each wireless signal transmission transmitter connect one or more cutterhead by circuit
Soil pressure sensor, obtains the pressure value that each cutterhead soil pressure sensor transmits, and transmitting carries each cutterhead soil pressure
The wireless signal of the pressure value of force snesor；
Wireless signal receiver is placed in the outside of shield model test machine, receives each wireless signal transmission transmitter transmitting
Wireless signal is converted to current signal by wireless signal, and current signal is exported and gives data collection and analysis instrument；
Data collection and analysis instrument is placed in the outside of shield model test machine, and the current signal received is converted into corresponding knife
The soil pressure force data of Pan Chu.
2. system according to claim 1, which is characterized in that the system further includes：
Multiple muddy water cabins or earth pressure of chamber sensor, each the muddy water cabin or earth pressure of chamber sensor are fixed respectively to pacify
On partition board loaded on muddy water cabin or soil cabin, the mud hydraulic pressure numerical value in muddy water cabin or soil cabin is measured.
3. system according to claim 2, which is characterized in that the system further includes：
Multiple shield shell soil pressure sensors, each shield shell soil pressure sensor are fixedly installed in the surface of shield shell respectively
On, measure the pressure value between shield shell and soil.
4. system according to claim 3, which is characterized in that the system further includes：
Multiple section of jurisdiction soil pressure sensors, each section of jurisdiction soil pressure sensor are fixedly installed in shield model test respectively
On the surface of the section of jurisdiction of machine, the pressure value between section of jurisdiction and soil is measured.
5. system according to claim 4, which is characterized in that the data collecting instrument wire circuit connects the shield shell soil
Pressure sensor, muddy water cabin or soil cabin partition board soil pressure sensor and section of jurisdiction soil pressure sensor obtain shield shell soil pressure sensing
The soil pressure numerical value at shield shell that device transmits, obtain muddy water storehouse that muddy water cabin or earth pressure of chamber sensor transmissions come or
Soil pressure numerical value at soil cabin obtains the soil pressure numerical value at the section of jurisdiction that section of jurisdiction soil pressure sensor transmits.
6. system according to claim 5, which is characterized in that the wireless signal transmitter is fixedly mounted on shield mould
On the outside of the main drive shaft of type testing machine, the cutterhead soil pressure sensor is mounted on cutterhead spoke, by the cutterhead soil pressure
The signal wire of force snesor passes through muddy water cabin along hollow main drive shaft or soil cabin is drawn, and is connected to the wireless signal transmission
On device.
7. system according to claim 4, which is characterized in that the cutterhead soil pressure sensor, muddy water cabin or soil cabin soil
Pressure sensor, shield shell soil pressure sensor and section of jurisdiction soil pressure sensor are fixedly mounted on by glue on mounting hole, described
Glue is sealed the mounting hole.
8. system according to claim 7, which is characterized in that the cutterhead soil pressure sensor, muddy water cabin or soil cabin soil
Pressure sensor, shield shell soil pressure sensor and section of jurisdiction soil pressure sensor are centrosymmetric distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820401611.0U CN207937180U (en) | 2018-03-23 | 2018-03-23 | Monitoring on Earth Pressure system for shield model test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820401611.0U CN207937180U (en) | 2018-03-23 | 2018-03-23 | Monitoring on Earth Pressure system for shield model test machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548683A (en) * | 2018-03-23 | 2018-09-18 | 北京交通大学 | Monitoring on Earth Pressure system and test method for shield model test machine |
| CN111580154A (en) * | 2020-06-05 | 2020-08-25 | 中铁工程装备集团有限公司 | Controllable seismic source geological prediction system by using acoustic method |
| CN116558696A (en) * | 2023-07-11 | 2023-08-08 | 中铁十四局集团大盾构工程有限公司 | Water and soil pressure monitoring system and method for shield construction process |
-
2018
- 2018-03-23 CN CN201820401611.0U patent/CN207937180U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548683A (en) * | 2018-03-23 | 2018-09-18 | 北京交通大学 | Monitoring on Earth Pressure system and test method for shield model test machine |
| CN111580154A (en) * | 2020-06-05 | 2020-08-25 | 中铁工程装备集团有限公司 | Controllable seismic source geological prediction system by using acoustic method |
| CN111580154B (en) * | 2020-06-05 | 2023-04-18 | 中铁工程装备集团有限公司 | Controllable seismic source geological forecasting system by adopting acoustic method |
| CN116558696A (en) * | 2023-07-11 | 2023-08-08 | 中铁十四局集团大盾构工程有限公司 | Water and soil pressure monitoring system and method for shield construction process |
| CN116558696B (en) * | 2023-07-11 | 2023-09-26 | 中铁十四局集团大盾构工程有限公司 | Water and soil pressure monitoring system and method for shield construction process |
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