CN209230836U - The pre-buried pressure sensing net structure of tunnel double-lining - Google Patents
The pre-buried pressure sensing net structure of tunnel double-lining Download PDFInfo
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- CN209230836U CN209230836U CN201920137158.1U CN201920137158U CN209230836U CN 209230836 U CN209230836 U CN 209230836U CN 201920137158 U CN201920137158 U CN 201920137158U CN 209230836 U CN209230836 U CN 209230836U
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- lead
- pull box
- lining
- pressure sensing
- tunnel
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Abstract
The utility model discloses a kind of pre-buried pressure sensing net structures of tunnel double-lining, including cylindric pull box, the point on the basis of pull box center, equal angles uniformly draw the isometric lead of the six roots of sensation outward on pull box, the end of lead connects to form regular hexagon by connecting line, and the front end of six wire is correspondingly connected with the uniform six built-in interfaces of pull box respectively；It is spaced pressure sensor there are three connecting on six leads, i.e., there was only one pressure sensor of setting on a lead on every adjacent two leads, only has on every adjacent two sections of connecting lines on regular hexagon connecting line and be provided with a pressure sensor on one section of connecting line.Matched and energy data communication monitoring device is plugged in cylindric pull box.The accurate positioning to pressure spot is realized using monitoring net, realizes regularly tunnel health monitoring, internal monitoring network is fed back by external monitoring reception device.
Description
Technical field
The utility model relates to pressure monitoring field, especially a kind of pre-buried pressure sensing net structure of tunnel double-lining.
Background technique
In recent years, the fast development of the infrastructure constructions cause such as subway, high-speed rail, tunnel construction work in China's is entered
Fast development period.The complicated conditions such as the massif engineering geology of Tunnel Passing and hydrogeology, each section of construction technology have differences,
Tunnel is caused to occur vault cracking in use, abutment wall cracking, vault cavity, tree build damage, Tunnel Water Leakage, country rock are big
Many health problems such as deformation, and the chief culprit of great number of issues is with regard to tunnel cracking, tunnel crack is further expanded under pressure
Exhibition, causes the globality of tunnel structure to be lost, and pressure water immerses crack and finally leads to great tunnel accident.It was runed in tunnel
Cheng Zhong, because of situations such as earth's surface variation, geological conditions change, newly-increased building and quiet dynamic load change caused tunnel subsidence,
Stress change is the major reason that tunnel crack occurs.
Chinese patent CN105469582A discloses the acquisition system and its collecting method of a kind of air pressure wave in tunnel, but
This method is intended to the collecting method of pressure wave, and does not provide specific monitoring side to the pressure change of tunnel structure body
Formula.
Chinese patent 201620857051.0 discloses a kind of Novel resistor strain-type soil pressure cell sensor, unreal
Now plus survey grid network, a point can only be monitored, can not achieve the positioning of netted monitoring and pressure spot.
Chinese patent application 201510330076.5 discloses a kind of lateral wall soil pressure cell fluid pressure type embedded device and buries
Equipment, method, but in this application and the designs of external external monitoring devices is not implemented.
Utility model content
Purpose of the utility model is to overcome the deficiencies of the above prior art and provide a kind of pre-buried pressure of tunnel double-lining to pass
Feel net structure, realizes the accurate positioning to pressure spot using monitoring net, realize regularly tunnel health monitoring, pass through outside
Monitoring reception device feeds back internal monitoring network.
To achieve the above object, the utility model adopts the following technical solutions:
A kind of pre-buried pressure sensing net structure of tunnel double-lining, including cylindric pull box, on the basis of pull box center
Point, equal angles uniformly draw the isometric radial lead of the six roots of sensation outward on pull box, and the end of radial lead is connected by broadwise lead
It connects to form regular hexagon, the front end of six roots of sensation radial lead is correspondingly connected with the uniform six built-in interfaces of pull box respectively；
Pressure sensor there are three connecting is spaced on six radial leads, i.e., only one on every adjacent two radial leads
One radial pressure sensor is set on radial lead, on regular hexagon broadwise lead only one on every adjacent two sections of broadwise leads
A pressure sensor is provided on Duan Weixiang lead.
Matched and energy data communication monitoring device is plugged in the cylindrical shape pull box.
Six interfaces include spaced set in the stem on pull box inner wall, and every towards pull box center
A lead item is respectively provided on lead cylinder, lead item is connect with radial lead one end.
The connecting hole being pierced by for radial lead is provided on the pull box.
The protrusion column that the pull box upper surface is equipped in a lower part cylindricality connector with monitoring device matches
Groove, the two combine after, play positioning action, and then fix the correspondence position of wire lead slot in remaining lead item and monitoring device
Set, when detection can accurate alignment sensor numerical value.
The pull box in tunnel structure body, pours height of the depth higher than two lining concrete with concreting,
Slightly above tunnel fills decorative layer, configures corresponding lead box cover on pull box.
The radial direction or broadwise pressure sensor are high-strength pre-buried silicon piezoresistive pressure sensing resistor, and the sensing resistor is by high score
The soft outer sheath covers of son, and the leading wire joint of sensing resistor is by polymer binder adhesive seal.
The monitoring device includes the top display and lower part cylindricality connector of integral structure, the cylindricality connector packet
Include a cylindrical body, opened up on the cylindrical body excircle there are six with six stems and lead item phase on pull box inner wall
Matched wire lead slot is provided with the metal strip being in contact with lead item in wire lead slot, is connected on metal strip and top display
Connected data line.
The display is built-in with pressure information acquisition processing system.Pressure information acquisition processing system is existing system
System, details are not described herein.
The beneficial effects of the utility model are:
1) pressure inductor that the utility model will be provided with information collection function nuzzle in advance concrete tunnel structure body in,
The monitoring for realizing construction inner pressure is conducive to carry out prevention and control at stress variation initial stage.
2) the utility model is connected by hexagon wire elements, and circuit communication is simple, and monitoring area is big, may be implemented by
Point and the pressure monitoring in face, are conducive to the identification at emphasis pressure position.
3) the utility model uses multi-measuring point cycle monitoring system, and areal pressure monitoring and each measuring point pressure may be implemented
Variation tendency determines pressure application position by each measuring point pressure change.
4) groove is arranged in the cylindricality connector of monitoring device, mutually agrees with the binding post of pull box, guarantees installing and using
When six interfaces accurate correspondence.The lead item of interface is in contact with the metal strip in the groove of monitoring device in pull box,
Connection circuit is formed, the data feedback of each pressure sensor is realized by pressure information acquisition processing system, simplifies monitoring step
Rapid and program realizes that a sensing display has collected mostly measuring point data.
Detailed description of the invention
Fig. 1 is the pressure sensing net structure schematic diagram of the utility model；
Fig. 2 is the pull box of the utility model and the schematic diagram of stem；
Fig. 3 is the pull box and reticular structure lead connection schematic diagram of the utility model
Fig. 4 is the cylindricality connector construction schematic diagram of the monitoring device of the utility model；
Fig. 5 is the cylindricality connector sectional view of the monitoring device of the utility model
Wherein, 1. pull box, 2. through to lead, 3. broadwise leads, 4. broadwise pressure sensors, and 5. through to pressure sensing
Device, 6. stems, 7. lead items, 8. grooves, 9. cylindricality connectors, 10. wire lead slots, 11. metal strips, 12. connecting holes, 13. is prominent
Column out.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
This specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification revealed interior
Hold, so that those skilled in the art understands and reads, is not intended to limit the utility model enforceable qualifications, therefore not
Has technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are practical new not influencing this
Under the effect of type can be generated and the purpose that can reach, it should all still fall in the revealed technology contents of the utility model and obtain and can contain
In the range of lid.Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term,
It is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, the change of relativeness or tune
It is whole, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
As Figure 1-Figure 5, the pre-buried pressure sensing net structure of tunnel double-lining, including cylindric pull box 1, with pull box
Point on the basis of 1 center, it is isometric through passing through to the end of lead 2, lead 2 uniformly to draw the six roots of sensation outward for equal angles on pull box 1
The connection of broadwise lead 3 forms regular hexagon, through corresponding with the uniform six built-in interfaces of pull box 1 respectively to the front end of lead 2
Connection；
Six through on lead 2, there are three through to pressure sensor 5, i.e., every adjacent two through on lead 2 for interval connection
One is arranged on an only lead through to pressure sensor 5, on regular hexagon broadwise lead 3 per adjacent two sections of leads on only
It is provided with a broadwise pressure sensor 4 on one section of broadwise lead line 3, as shown in Figure 1, six pressure sensors are respectively labeled as
A、B、C、D、E、F。
Lead item 7, lead item 7 are connect with through passing through connecting hole 12 to lead 2.
There are six stems 6 for 1 inside of pull box, when the lower part cylindricality connector of monitoring device is inserted into pull box, with
Wire lead slot 10 is corresponding.The clamping corresponding with the protrusion column 13 in the connector of detection device lower part of groove 8 on 1 upper surface of pull box,
Positioning action is played, and then fixes the corresponding position of wire lead slot in remaining six lead item and monitoring device.Pull box 1 is with coagulation
Soil pours in tunnel structure body, pours height of the depth higher than two lining concrete, slightly above tunnel fills decorative layer, pull box
Corresponding lead box cover is configured on 1.
It is high-strength pre-buried silicon piezoresistive pressure sensing resistor through, broadwise pressure sensor 5,4, the sensing resistor is soft by macromolecule
Matter outer sheath covers, and the leading wire joint of sensing resistor is by polymer binder adhesive seal.
Fig. 4 is the transverse cross-sectional view of Fig. 5 detection device lower part cylindricality connector 9.Be plugged in cylindric pull box 1 and its
Match the monitoring device of simultaneously energy data communication.Monitoring device includes the top display and lower part cylindricality connector 9 of integral structure,
The cylindricality connector 9 includes a cylindrical body, opens up that there are six draw with six on pull box inner wall on cylindrical body excircle
The wire lead slot 10 that terminal 6 and lead item 7 match is provided with the metal strip 11 being in contact with lead item 7 in lead groove 10, gold
Belong to and is connected with the data line being connected with top display on item 11.
Being inserted into pull box 1 by cylindricality connector 9 makes it be connected, and 9 sectional dimension of cylindricality connector is slightly less than pull box 1
Internal diameter can mutually agree with.It can receive external pressure signal after monitoring device connection, by being closed different pin interfaces
It realizes single line connection, and then measures the pressure of different location.Monitoring can be fed back after terminating with external network, be realized
Real-time long-acting monitoring.Monitoring device is pulled up in monitoring after terminating.
Display is built-in with pressure information acquisition processing system.Pressure information acquisition processing system is existing system,
This is repeated no more.
A kind of monitoring method using the pre-buried pressure sensing net structure of tunnel double-lining, comprising the following steps:
1) pressure sensing net structure is embedded in advance in tunnel two-lining structure, in the reserved warp of the tunnel internal just served as a contrast, broadwise
The space of pressure sensor disposes pressure sensor A, B, C, D, E, F in corresponding position respectively, carries out lead in tunnel inner wall
It is laid with, carries out two lining constructions；
2) pull box pours height of the depth higher than two lining concrete, slightly with concreting in tunnel structure body
Decorative layer is filled higher than tunnel, configures corresponding lead box cover on pull box 1；
3) when monitoring, monitoring device is injected into pull box, the cylindricality connector of the lead item 7 in pull box and monitoring device
9 metal strip 11 is connected to, and the pressure signal of pressure information acquisition processing system acquisition different location simultaneously records preservation, passes through control
Difference warp, broadwise lead are cut-off, pressure information acquisition processing system acquire and identify determine it is different pass through, broadwise pressure sensor
Pressure signal, determine each point compression variation；
As shown in Figure 1, when specific monitoring:
Control system is connected to stem a, b, may be implemented to show the registration of radial pressure sensor A.Control system connects
Logical stem b, d, may be implemented to show the registration of broadwise pressure sensor D.Control system is connected to stem c, d, Ke Yishi
Now the registration of radial pressure sensor B is shown.Control system is connected to stem d, f, may be implemented to broadwise pressure sensor E
Registration show.Control system is connected to stem e, f, may be implemented to show the registration of radial pressure sensor C.Control system
It is connected to stem f, b, may be implemented to show the registration of broadwise pressure sensor F；
4) after monitoring, monitoring device is extracted, and pull box can be sealed by lead box cover from pull box, is protected
It is clean when not monitoring to hold pull box.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but it is not practical new to this
The limitation of type protection scope, those skilled in the art should understand that, based on the technical solution of the present invention, ability
Field technique personnel do not need to make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (9)
1. a kind of pre-buried pressure sensing net structure of tunnel double-lining, characterized in that including cylindric pull box, with pull box center
On the basis of point, equal angles uniformly draw the isometric radial lead of the six roots of sensation outward on pull box, and the end of radial lead passes through broadwise
Lead connects to form regular hexagon, and the front end of six roots of sensation radial lead is corresponding with the uniform six built-in interfaces of pull box respectively to be connected
It connects；
Pressure sensor there are three connecting is spaced on six radial leads, i.e., an only radial direction on every adjacent two radial leads
One radial pressure sensor is set on lead, only one section of latitude on every adjacent two sections of broadwise leads on regular hexagon broadwise lead
A pressure sensor is provided on lead.
2. the pre-buried pressure sensing net structure of tunnel double-lining as described in claim 1, characterized in that the cylindrical shape pull box
Inside it is plugged with matched and energy data communication monitoring device.
3. the pre-buried pressure sensing net structure of tunnel double-lining as described in claim 1, characterized in that six interfaces include
Spaced set is in being respectively provided with a lead on the stem on pull box inner wall, the every lead cylinder towards pull box center
Item, lead item are connect with radial lead one end.
4. the pre-buried pressure sensing net structure of tunnel double-lining as described in claim 1, characterized in that be arranged on the pull box
There is the connecting hole being pierced by for radial lead.
5. the pre-buried pressure sensing net structure of tunnel double-lining as described in claim 1, characterized in that the pull box upper surface
The groove that the protrusion column being equipped in a lower part cylindricality connector with monitoring device matches.
6. the pre-buried pressure sensing net structure of tunnel double-lining as described in claim 1, characterized in that the pull box is with coagulation
Soil pours in tunnel structure body, pours height of the depth higher than two lining concrete, slightly above tunnel fills decorative layer, pull box
The upper corresponding lead box cover of configuration.
7. the pre-buried pressure sensing net structure of tunnel double-lining as described in claim 1, characterized in that the radial direction or broadwise pressure
Force snesor is high-strength pre-buried silicon piezoresistive pressure sensing resistor, which senses electricity by the soft outer sheath covers of macromolecule
The leading wire joint of resistance is by polymer binder adhesive seal.
8. the pre-buried pressure sensing net structure of tunnel double-lining as claimed in claim 2, characterized in that the monitoring device includes
The top display and lower part cylindricality connector of integral structure, the cylindricality connector include a cylindrical body, the cylindrical body
Opened up on excircle there are six with six stems and the wire lead slot that matches of lead item on pull box inner wall, set in wire lead slot
It is equipped with the metal strip being in contact with lead item, the data line being connected with top display is connected on metal strip.
9. the pre-buried pressure sensing net structure of tunnel double-lining as claimed in claim 8, characterized in that the display is built-in with
Pressure information acquisition processing system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920137158.1U CN209230836U (en) | 2019-01-28 | 2019-01-28 | The pre-buried pressure sensing net structure of tunnel double-lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920137158.1U CN209230836U (en) | 2019-01-28 | 2019-01-28 | The pre-buried pressure sensing net structure of tunnel double-lining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209230836U true CN209230836U (en) | 2019-08-09 |
Family
ID=67510963
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920137158.1U Expired - Fee Related CN209230836U (en) | 2019-01-28 | 2019-01-28 | The pre-buried pressure sensing net structure of tunnel double-lining |
Country Status (1)
| Country | Link |
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| CN (1) | CN209230836U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540352A (en) * | 2019-01-28 | 2019-03-29 | 山东科技大学 | The pre-buried pressure sensing net structure of tunnel double-lining and its monitoring method |
| CN112557074A (en) * | 2020-11-26 | 2021-03-26 | 宿迁小鲤工业设计有限公司 | BIM-based assembly type mounting detection device for building and matching system thereof |
-
2019
- 2019-01-28 CN CN201920137158.1U patent/CN209230836U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540352A (en) * | 2019-01-28 | 2019-03-29 | 山东科技大学 | The pre-buried pressure sensing net structure of tunnel double-lining and its monitoring method |
| CN109540352B (en) * | 2019-01-28 | 2023-07-18 | 山东科技大学 | Tunnel secondary lining embedded pressure sensing network structure and monitoring method thereof |
| CN112557074A (en) * | 2020-11-26 | 2021-03-26 | 宿迁小鲤工业设计有限公司 | BIM-based assembly type mounting detection device for building and matching system thereof |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190809 Termination date: 20220128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |