CN213598021U - Tunnel deformation monitoring system - Google Patents

Tunnel deformation monitoring system Download PDF

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Publication number
CN213598021U
CN213598021U CN202022425673.5U CN202022425673U CN213598021U CN 213598021 U CN213598021 U CN 213598021U CN 202022425673 U CN202022425673 U CN 202022425673U CN 213598021 U CN213598021 U CN 213598021U
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China
Prior art keywords
tunnel
rod body
hole
base plate
hole section
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Expired - Fee Related
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CN202022425673.5U
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Chinese (zh)
Inventor
张华辉
文园林
周伟峰
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CCCC Tunnel Engineering Co Ltd
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CCCC Tunnel Engineering Co Ltd
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Priority to CN202022425673.5U priority Critical patent/CN213598021U/en
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Abstract

The utility model discloses a tunnel deformation monitored control system relates to tunnel deformation monitoring technology field, including the monitoring server, have power module's industrial computer and a plurality of information acquisition end that link to each other with the industrial computer, the industrial computer passes through the signal transmission module and is connected with the monitoring server, and the information acquisition end is used for subsiding deformation information to the tunnel and collects to give the industrial computer with the deformation information of gathering after the signal conversion transmission, the information acquisition end is including being used for carrying out the stock of strutting to the tunnel internal surface and being used for carrying out the pressure sensor of dynamometry to the stock. The utility model discloses a to be used for strutting the stock in tunnel and regard as information acquisition point, install pressure sensor between backing plate and the interior table wall in tunnel, can in time and accurately obtain the tunnel information of pressure that sinks to guarantee the accuracy of follow-up analysis result.

Description

Tunnel deformation monitoring system
Technical Field
The utility model relates to a tunnel deformation monitoring technology field particularly, relates to a tunnel deformation monitored control system.
Background
The common types of tunnel deformation mainly include settlement, cracking, water seepage and the like, wherein the settlement is taken as a key monitoring object, and once the settlement phenomenon occurs, the risk of partial collapse or overall collapse of the tunnel may be caused. The method is characterized in that common monitoring means for settlement deformation comprise pressure monitoring, laser leveling monitoring, image acquisition contrast monitoring and the like, the latter two means are less in use due to higher application and maintenance cost, the main application means is also pressure monitoring, and the information is sent to a background server for analysis by detecting bearing stress information of the inner surface wall of the tunnel, so that the tunnel settlement deformation is obtained. In the prior art adopting the method, places which can be improved exist, such as the selection of stress monitoring points, the installation position and the installation mode of the sensor and the like, which all influence the final analysis result. Therefore, a monitoring system mainly aiming at tunnel settlement deformation needs to be designed, and more reliable acquisition information can be obtained at an acquisition end.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tunnel deformation monitored control system, this system is through being used for strutting the stock in tunnel and regard as information acquisition point, installs pressure sensor between backing plate and the interior table wall in tunnel, can in time and accurately obtain the information of tunnel pressure of sinking to guarantee follow-up analysis result's accuracy.
The embodiment of the utility model is realized like this: a tunnel deformation monitoring system comprises a monitoring server, an industrial personal computer with a power supply module and a plurality of information acquisition ends connected with the industrial personal computer, wherein the industrial personal computer is connected with the monitoring server through a signal transmission module, the information acquisition ends are used for collecting tunnel settlement deformation information and transmitting the acquired deformation information to the industrial personal computer after signal conversion, the information acquisition ends comprise anchor rods for supporting the inner surface of a tunnel and pressure sensors for measuring the force of the anchor rods, each anchor rod comprises a rod body, a drill bushing, a slurry stopping sleeve, a cushion plate and a locking nut, the drill bushing is screwed at one end of the rod body, the slurry stopping sleeve is screwed at the other end of the rod body, the cushion plate is sleeved on the rod body at one side of the slurry stopping sleeve, the cushion plate is provided with a containing part on the surface wall at one side close to the slurry stopping sleeve, and the pressure sensors are arranged in the containing parts and used for detecting the, and the locking nut is screwed on the rod body of the base plate at one side far away from the drill bushing and is used for pressing the base plate on the grout stopping sleeve and the inner surface wall of the tunnel.
Furthermore, the backing plate is an arch-shaped plate, the center of the arch is located on one side, away from the drill bushing, of the backing plate, the accommodating part is arranged on the surface wall of the outward protruding side of the backing plate, and a rubber pad used for covering the accommodating part is bonded on the surface wall, close to the grout stopping sleeve, of the backing plate.
Further, the middle of the base plate is provided with a through hole, the base plate is sleeved on the rod body through the through hole, the rod body can be allowed to rotate in the through hole, and one side end face of the base plate is rotatably matched with one side end face, far away from the drill bushing, of the grout stopping sleeve through the universal ball.
Further, processing has the perforation with the via hole intercommunication on the universal ball, and the perforation can allow the body of rod to pass and rotate in this perforation, and the grout stop sleeve includes straight barrel and awl barrel, and on the straight barrel spiro union body of rod, the undergauge end and the straight barrel one end fixed connection of awl barrel, the flaring end port of awl barrel be with the hemisphere mouth of universal ball rotatable fit, can supply the backing plate to rotate around the relative grout stop sleeve of the centre of a circle of universal ball.
Further, the perforation is including the straight hole section, hemisphere hole section and the taper hole section that connect gradually, and the straight hole section is located hemisphere hole section and is close to the one side of only starching the cover, and lock nut one side shaping has the hemisphere that can supply the body of rod to pass, and the hemisphere can penetrate to hemisphere hole section in through the taper hole section, and the exterior wall of hemisphere and the inner wall rotatable fit of hemisphere hole section.
Furthermore, the reducing end of the taper hole section is connected with the hemispherical hole section.
The embodiment of the utility model provides a beneficial effect is:
the embodiment of the utility model provides a monitored control system is through setting up a plurality of collection ends in the tunnel, the reliability and the comprehensiveness of collection result have tentatively been guaranteed, then every selection of gathering the point all is located the stock and draws fixed position department, because the main mode of strutting as the tunnel of spray anchor support, the anchor stock involve the region mostly for soft rock stratum place region, these regions produce easily and subside, it further guarantees the accuracy and the validity of result in these regions to set up the point of gathering, set up pressure sensor between backing plate and tunnel inside surface wall at last, can gather settlement pressure information more high-efficiently and reliably, thereby the accuracy of result has been guaranteed, compare in current tunnel monitored control system, information acquisition is more reliable, it is comprehensive and accurate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a connection block diagram of a monitoring system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an anchor rod provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a backing plate according to an embodiment of the present invention;
fig. 4 is a schematic view of the connection between the backing plate and the lock nut provided by the embodiment of the present invention.
Icon: 1-a deformed tunnel monitoring system; 2-anchor rod; 201-a rod body; 202-a drill bushing; 203-barrel drill bit; 204-grouting and passing through the opening; 205-straight cylinder body; 206-cone body; 207-universal ball; 208-a rubber pad; 209-locking nut; 210-a backing plate; 2071-straight hole section; 2072-hemispherical hole segment; 2073-a cone hole section; 2091-nut; 2092-hemisphere; 2093-inner bore.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
Please refer to fig. 1, a tunnel deformation monitoring system 1 provided by this embodiment includes a monitoring server, an industrial personal computer with a power module, and a plurality of information collecting terminals connected to the industrial personal computer, wherein the industrial personal computer is connected to the monitoring server through a signal transmission module, the signal transmission module can transmit in a wired transmission mode such as R485 communication serial port, and can also transmit in a wireless transmission mode such as WIFI, bluetooth, etc. Every information acquisition end all sets up the different collection point in the tunnel to be used for subsiding the deformation information to the tunnel and collect, transmit the deformation information of gathering for the industrial computer after the signal conversion simultaneously and carry out the preliminary treatment, send the collection information after the preliminary treatment for the monitoring server at backstage and carry out further analysis and processing, the utility model discloses whether mainly reliable and effectively improve the information of information acquisition end department collection to avoid appearing the unreliable and unstable phenomenon in information source among the current monitored control system, lead to final analysis result accurate inadequately, can't in time make timely response to the deformation condition in tunnel.
Specifically, the information acquisition end comprises an anchor rod 2 for supporting the inner surface of the tunnel and a pressure sensor (not shown) for measuring the force of the anchor rod 2, the anchor rod 2 relates to areas where soft rock layers are mostly located, the areas are prone to sedimentation, and the accuracy and effectiveness of results can be guaranteed by arranging acquisition points in the areas. Referring to fig. 2 to 4, the anchor rod 2 includes a rod body 201, a drill bushing 202, a grout stop sleeve, a backing plate 210 and a lock nut 209, wherein a grouting hole is formed in the rod body 201 along an axial direction thereof, and spiral threads are formed on an outer wall of the rod body 201, so that the rod body 201 can be screwed into a soil layer, and grouting is performed according to the grouting hole to fix the screwed end. In the embodiment, the drill bushing 202 is screwed at one end of the rod body 201, the drill bushing 202 is used for drilling one end of a tunnel soil layer, namely, a cylindrical drill bit 203 sleeved on the rod body 201 is formed at one end far away from the grout stopping bushing, the drill bit 203 is used for increasing the drilling easiness of the soil layer, a grouting through port 204 is processed on the side wall of the cylindrical drill bit 203, and the grouting through port 204 is used for forming a connecting bridge after mortar is solidified, namely, the mortar can fix the insertion end of the rod body 201 through the drill bushing 202 or the cylindrical drill bit 203 and can fix the insertion end of the rod body 201 through the grouting through port 204 so as to achieve a very good fixing effect.
End thick liquid cover spiro union at the body of rod 201 other end, the body of rod 201 of drill bushing 202 one side is kept away from to the thick liquid cover is ended in backing plate 210 suit, and backing plate 210 is close to and is provided with the portion of holding 211 on the table wall of a thick liquid cover, pressure sensor installs in the portion of holding 211 and is used for detecting the pressure information between the table wall in backing plate 210 and the tunnel, of course, the quantity of the portion of holding 211 can set up a plurality ofly, and evenly distributed is on the table wall of backing plate 210, pressure sensor adopts circular plate formula pressure sensor, and it has the easy advantage of installing of little space, and the shape of the portion of holding 211 is roughly ring shape, can hold down this pressure sensor to portion of holding 211 one side processing has the opening, can supply the signal line to. Locking nut 209 spiro union is kept away from on the body of rod 201 of drill bushing 202 one side at backing plate 210, and be used for compressing tightly backing plate 210 on the interior table wall in only thick liquid cover and tunnel, through screwing up locking nut 209, can compress tightly backing plate 210 on the interior table wall in the tunnel, only thick liquid cover also is located the perforation port department that tunnel table wall corresponds this moment, form sealing contact between with backing plate 210, because the effect of stock 2 is with tunnel inner wall (concrete panel layer) with the rock stratum in the tunnel draw together admittedly, in case tunnel (top) appear subsiding, backing plate 210 can bear great holding down force or settlement pressure, pressure sensor detects the change of this pressure value this moment, can give the backstage with the timely transmission feedback of detected information. Through setting up pressure sensor between backing plate 210 and the tunnel interior table wall, can gather settlement pressure information more high-efficiently and reliably to the accuracy of result has been guaranteed.
For protecting the sensor to a certain extent, the pad 210 is an arch-shaped plate, also called a meniscus, the center of the arch is located on the side of the pad 210 away from the drill bushing 202, the pad 210 in this form can be attached to the inner surface of the tunnel in a relatively adaptive manner, the accommodating part 211 is arranged on the surface wall of the convex side of the pad 210, and a rubber pad 208 for covering the accommodating part 211 is bonded on the surface wall of the pad 210 close to the grout stopping sleeve. Rubber pad 208 can carry out the flexibility buffering between the detection end of table wall and pressure sensor in the tunnel, carries out certain flexible protection to it under the prerequisite that does not influence pressure sensor and detect. Adopt rigid connection's mode between backing plate 210 and the body of rod 201 in traditional stock 2, in case the angle of insertion of stock 2 is too big or stock 2 inserts too the slope, will lead to the laminating of the unable adaptability of surface wall in backing plate 210 and the tunnel, and one side pressure is greater than the pressure of opposite side to influence the accuracy of follow-up pressure information acquisition. In order to overcome this problem, the present application designs the rod 201 and the pad 210 to be rotatably engaged to avoid the pad 210 not being able to be adaptively attached to the inner surface of the tunnel when the rod 201 is inclined.
In this embodiment, the grout stopping sleeve comprises a straight cylinder 205 and a conical cylinder 206, the straight cylinder 205 is screwed on the rod body 201, the reducing end of the conical cylinder 206 is fixedly connected with one end of the straight cylinder 205, the inner hole diameter of the conical cylinder 206 is larger than the outer diameter of the rod body 201, namely, the inner hole diameter is not in contact with the rod body 201, and the straight cylinder 205 is only fixed relative to the rod body 201. Backing plate 210 middle part processing has the via hole, and backing plate 210 is on the body of rod 201 through its via hole suit to can allow the body of rod 201 to rotate in this via hole, the diameter that shows the via hole promptly is greater than the body of rod 201 diameter, can allow the body of rod 201 to walk around the universal certain angle of rotation in hole center, thereby realize that the relative backing plate 210 of the body of rod 201 is the state of slope. The end face of one side of the backing plate 210 is rotatably matched with the end face of one side of the grout stopping sleeve far away from the drill bushing 202 through the universal ball 207, specifically, a through hole communicated with the through hole is formed in the universal ball 207, and similarly, the through hole can allow the rod body 201 to pass through and rotate in the through hole, preferably, the universal ball 207 is a spherical body with two cut-off ends, and the cut surfaces of the two ends are parallel to each other, so that the aperture of the through hole can be ensured to be large enough, and the rod body 201 can be allowed to movably pass through and rotate for a certain angle around the center of the universal ball 207. The diameter-expanding end port of the conical cylinder body 206 is a hemispherical port which is in rotatable fit with the universal ball 207, so that the backing plate 210 can rotate around the center of the universal ball 207 relative to the grout stop sleeve, namely, the spherical surface type rotatable fit of the universal ball 207 and the diameter-expanding end port of the conical cylinder body 206 is shown, and the whole backing plate 210 can be allowed to rotate relative to the grout stop sleeve. Thus, when the rod body 201 is obliquely inserted into the soil layer of the tunnel, the pad 210 can rotate relative to the rod body 201, so as to be better attached to the inner surface of the tunnel. The tie plate 210 is then secured to the tunnel interior surface by tightening the locking nut 209.
Can lock backing plate 210 for lock nut 209 better or more adaptively, universal ball 207 shaping is in backing plate 210's via hole, the perforation adopts the syllogic design, and this perforation is including the straight hole section 2071, hemisphere hole section 2072 and the taper hole section 2073 that connect gradually, and straight hole section 2071 is located hemisphere hole section 2072 and is close to the one side of only starching the cover (cone body 206), and the center of hemisphere hole section 2072 coincides with universal ball 207's center, and taper hole section 2073's undergauge one end is connected with hemisphere hole section 2072. One side of the locking nut 209 is formed with a hemisphere 2092 through which the rod body 201 can pass, that is, the locking nut 209 includes a nut 2091 and a hemisphere 2092 which are coaxially arranged, the form of the hemisphere 2092 is similar to that of the universal ball 207, and an inner hole 2093 of the hemisphere 2092 and an inner hole of the nut 2091 are mutually communicated and coaxially distributed. Hemisphere 2092 can penetrate to hemisphere hole section 2072 in through taper hole section 2073, and hemisphere 2092's outer table wall and hemisphere hole section 2072's inner wall rotatable fit, hemisphere 2092's centre of rotation and universal ball 207's center coincidence, just so enable nut 2091 to carry out the rotation of certain angle through its hemisphere 2092 relative backing plate 210, promptly after the relative backing plate 210 of body of rod 201 inclines, this lock nut 209 still can be screwed up this moment, lock nut 209 can be impressed and laminate to hemisphere hole section 2072 in, thereby reach the purpose of fixing backing plate 210 on concrete panel 1 internal surface.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that structures or components illustrated in the drawings are not necessarily drawn to scale, and descriptions of well-known components and processing techniques and technologies are omitted to avoid unnecessarily limiting the invention.

Claims (6)

1. The tunnel deformation monitoring system is characterized by comprising a monitoring server, an industrial personal computer with a power supply module and a plurality of information acquisition ends connected with the industrial personal computer, wherein the industrial personal computer is connected with the monitoring server through a signal transmission module, the information acquisition ends are used for collecting tunnel settlement deformation information and transmitting the collected deformation information to the industrial personal computer after signal conversion, the information acquisition ends comprise anchor rods for supporting the inner surface of a tunnel and pressure sensors for measuring the force of the anchor rods, each anchor rod comprises a rod body, a drill bushing, a grout stopping sleeve, a base plate and a locking nut, the drill bushing is in one end of the rod body, the grout stopping sleeve is in the other end of the rod body, the base plate is sleeved on the rod body far away from one side of the grout stopping sleeve, and an accommodating part is arranged on one side surface wall of the grout stopping sleeve close to the base plate, the pressure sensor is installed in the accommodating part and used for detecting pressure information between the base plate and the inner surface wall of the tunnel, and the locking nut is in threaded connection with the rod body, far away from one side of the drill bushing, of the base plate and used for pressing the base plate onto the grout stopping sleeve and the inner surface wall of the tunnel.
2. The tunnel deformation monitoring system according to claim 1, wherein the backing plate is an arch-shaped plate, the center of the arch is located on the side of the backing plate far away from the drill bushing, the accommodating part is arranged on the surface wall of the convex side of the backing plate, and a rubber pad for covering the accommodating part is bonded on the surface wall of the backing plate close to the grout stopping sleeve.
3. The tunnel deformation monitoring system according to claim 1, wherein a via hole is processed in the middle of the base plate, the base plate is sleeved on the rod body through the via hole and can allow the rod body to rotate in the via hole, and one side end face of the base plate is rotatably matched with one side end face, far away from the drill bushing, of the grout stopping sleeve through a universal ball.
4. The tunnel deformation monitoring system according to claim 3, wherein the universal ball is provided with a through hole communicated with the through hole, the through hole can allow the rod body to pass through and rotate in the through hole, the grout stop sleeve comprises a straight cylinder body and a conical cylinder body, the straight cylinder body is screwed on the rod body, a reducing end of the conical cylinder body is fixedly connected with one end of the straight cylinder body, and a port of a reducing end of the conical cylinder body is a hemispherical port which is rotatably matched with the universal ball, so that the base plate can rotate around the center of the universal ball relative to the grout stop sleeve.
5. The tunnel deformation monitoring system according to claim 4, wherein the through hole comprises a straight hole section, a hemispherical hole section and a conical hole section which are connected in sequence, the straight hole section is located on one side of the hemispherical hole section close to the grout stop sleeve, a hemisphere which can be penetrated by the rod body is formed on one side of the lock nut, the hemisphere can penetrate into the hemispherical hole section through the conical hole section, and the outer surface wall of the hemisphere is rotatably matched with the inner wall of the hemispherical hole section.
6. The system of claim 5, wherein a reduced diameter end of the bore section is coupled to the hemispherical bore section.
CN202022425673.5U 2020-10-28 2020-10-28 Tunnel deformation monitoring system Expired - Fee Related CN213598021U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022425673.5U CN213598021U (en) 2020-10-28 2020-10-28 Tunnel deformation monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022425673.5U CN213598021U (en) 2020-10-28 2020-10-28 Tunnel deformation monitoring system

Publications (1)

Publication Number Publication Date
CN213598021U true CN213598021U (en) 2021-07-02

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CN202022425673.5U Expired - Fee Related CN213598021U (en) 2020-10-28 2020-10-28 Tunnel deformation monitoring system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116906125A (en) * 2023-09-06 2023-10-20 四川高速公路建设开发集团有限公司 Soft rock tunnel safety monitoring method and system based on data synchronous transmission algorithm

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116906125A (en) * 2023-09-06 2023-10-20 四川高速公路建设开发集团有限公司 Soft rock tunnel safety monitoring method and system based on data synchronous transmission algorithm
CN116906125B (en) * 2023-09-06 2023-12-29 四川高速公路建设开发集团有限公司 Soft rock tunnel safety monitoring method and system based on data synchronous transmission algorithm

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Granted publication date: 20210702