CN213179896U - Fixed laser monitoring device and tunnel section deformation monitoring structure - Google Patents
Fixed laser monitoring device and tunnel section deformation monitoring structure Download PDFInfo
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- CN213179896U CN213179896U CN202120500264.9U CN202120500264U CN213179896U CN 213179896 U CN213179896 U CN 213179896U CN 202120500264 U CN202120500264 U CN 202120500264U CN 213179896 U CN213179896 U CN 213179896U
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Abstract
The utility model discloses a fixed laser monitoring device and a tunnel section deformation monitoring structure, wherein the tunnel section deformation monitoring structure comprises at least one fixed laser monitoring device, and the fixed laser monitoring device comprises an anchoring section, a pushing mechanism, a rotating mechanism, a laser ranging sensor and a protection box body; by adopting the protective box body, when the protective box body is not used, the collision damage to the internal machine structure in the construction environment can be effectively avoided; through the matching use of the protection box body and the pushing mechanism, when the protection box body is not used, the pushing mechanism, the rotating mechanism and the laser ranging sensor can be hermetically arranged in the protection box body, so that each mechanism is prevented from being polluted, and when the protection box body is used, the rotating mechanism and the laser ranging sensor are pushed out through the pushing mechanism for monitoring; through the cooperation of slewing mechanism and laser range sensor use for the measurement point location obtains increasing, has avoided adopting laser scanner's high price again.
Description
Technical Field
The utility model relates to a tunnel monitoring technology field especially relates to a fixed laser monitoring device and tunnel section deformation monitoring structure.
Background
At present, the deformation monitoring means of the tunnel section structure are various and can be summarized as manual monitoring and automatic monitoring. Along with the increase of long, big tunnel, efficiency and the economic nature of traditional manual monitoring can not satisfy the work demand yet, so more and more automatic monitoring means are applied to tunnel engineering monitoring project, and common tunnel structure warp automation technology means have automatic laser rangefinder, basett convergence, flexible clinometer, static spirit level, measuring robot, laser scanner, automatic close-range photogrammetry and optical fiber monitoring technique, wherein again with automatic laser rangefinder, measuring robot and laser scanner this kind based on the most extensive of laser rangefinder principle application.
From the prior related patents, there are a plurality of related devices or equipment related to the laser tunnel section deformation monitoring device, but all have some problems and disadvantages.
Patent CN201921920900.2 is a tunnel deformation real-time supervision device, subsides monitoring devices and laser rangefinder including the U-shaped pipe intercommunication, and wherein laser rangefinder utilizes laser emitter to beat the position on the display screen by the cooperation of the scale dial plate on laser emitter and the display screen, and then calculates the peripheral convergence angle of tunnel inner wall. However, the device with the laser emitter matched with the display screen scale dial plate is complex, the manufacturing cost is high, and the device is lack of an equipment protection device and is easy to damage or pollute in a construction environment.
Patent CN202010418780.7 a tunnel deformation monitoring facilities of portable high accuracy is provided with the equipment guard box, installs laser scanner in the case, and monitoring efficiency is high, can guarantee the cleaning nature before the check out test set camera lens simultaneously, improves detection accuracy. However, the laser scanner is expensive and not suitable for wide-range popularization and application.
Patent CN201920896858.9 a monitoring facilities that is used for tunnel headroom convergence and vault settlement monitoring and CN201821683814.X a portable laser monitoring instrument who is applied to tunnel convergence deformation control all adopt laser range finder cooperation reflector plate to carry out the range finding, can carry out tunnel headroom convergence and vault settlement's deformation monitoring simultaneously, and equipment cost is low, measurement accuracy is high, but the measuring point position is less, can not reflect the deformation information of whole tunnel section, also lacks equipment protection device in addition.
In summary, the existing various laser tunnel section deformation monitoring devices or equipment have the problems that the price is high, the protection devices are lacked, or the monitoring points are too few, so that a large improvement space is left on the device structure.
Therefore, a fixed laser monitoring device and a tunnel section deformation monitoring structure are needed to solve the above problems.
Disclosure of Invention
The utility model aims at solving the problem that a fixed laser monitoring device and tunnel section deformation monitoring structure have been designed.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
fixed laser monitoring devices includes:
an anchoring section; the first end of the anchoring section is connected with the tunnel main body;
a pushing mechanism; the fixed part of the pushing mechanism is arranged on the second end of the anchoring section;
a rotating mechanism; the fixed part of the rotating mechanism is arranged on the moving part of the pushing mechanism;
a laser ranging sensor; the laser ranging sensor is arranged on a rotating part of the rotating mechanism;
protecting the box body; when the laser ranging device is in a working state, the pushing mechanism pushes the rotating mechanism and the laser ranging sensor out of the protection box body.
Specifically, the protective case includes an automatic reset flip.
Furthermore, the number of the automatic reset turning covers is two, and the two automatic reset turning covers are used for sealing one opening of the protection box body.
Specifically, the automatic reset flip cover comprises a cover body and a torsion spring, and one side of the cover body is connected with the protection box body through the torsion spring.
Preferably, the cover is a damping protection cover.
Preferably, the securing member of the pushing mechanism is threadedly connected to the second end of the anchoring section.
Preferably, the protective casing is mounted embedded in the tunnel body.
Tunnel section deformation monitoring structure, including at least one fixed laser monitoring devices, fixed laser monitoring devices installs on a tunnel section wall.
Preferably, the tunnel section deformation monitoring structure comprises two fixed laser monitoring devices, the two fixed laser monitoring devices are installed on one tunnel section wall, and the two fixed laser monitoring devices are symmetrically distributed based on a connecting line of the top midpoint and the bottom midpoint of the tunnel section wall.
The beneficial effects of the utility model reside in that:
1. by adopting the protection box body, when the protection box body is not used, the collision damage to the pushing mechanism, the rotating mechanism and the laser ranging sensor caused by the construction environment can be effectively avoided; through the cooperation use of protection box body and pushing mechanism, when not using, can be with pushing mechanism, slewing mechanism, the equal sealed protection box body of arranging in of laser ranging sensor inside, avoid each mechanism to receive the pollution, and when using, rethread pushing mechanism releases slewing mechanism, laser ranging sensor and monitors.
2. Through the cooperation of slewing mechanism and laser range sensor use for the measurement point location obtains increasing, has avoided adopting laser scanner's high price again.
Drawings
FIG. 1 is a schematic structural diagram of a stationary laser monitoring device according to the present application in an inoperative state;
FIG. 2 is a schematic structural diagram of a working state of the stationary laser monitoring device according to the present application;
FIG. 3 is a schematic structural diagram of a tunnel section deformation monitoring structure according to the present application;
FIG. 4 is a cross-sectional profile obtained by scanning the tunnel cross-sectional deformation monitoring structure;
in the figure: 1. an anchoring section; 2. an electric push rod; 3. protecting the box body; 4. a stepping motor; 5. a damping protective cover; 6. a laser ranging sensor; 7. a stationary laser monitoring device; 71. a first monitoring device; 72. a second monitoring device; 8. a cross-sectional wall.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. 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 is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The following describes in detail embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 and 2, the stationary laser monitoring device includes:
an anchoring section 1; the first end of the anchoring section 1 is connected with the tunnel main body; the anchoring section 1 is generally integrally anchored in a rock body or a lining;
a pushing mechanism; the fixed part of the pushing mechanism is arranged on the second end of the anchoring section 1;
a rotating mechanism; the fixed part of the rotating mechanism is arranged on the moving part of the pushing mechanism;
a laser ranging sensor 6; the laser ranging sensor 6 is arranged on a rotating part of the rotating mechanism;
a protection box body 3; in the non-working state, the pushing mechanism, the rotating mechanism and the laser ranging sensor 6 are all arranged in the protection box body 3, and in the working state, the pushing mechanism pushes the rotating mechanism and the laser ranging sensor 6 out of the protection box body 3.
In some embodiments, the pushing mechanism we generally choose to be an electric push rod 2; the rotating mechanism is generally selected to be a stepping motor 4; the stepping motor 4 drives the laser distance measuring sensor 6 to carry out free angle rotation scanning along the plane direction of the tunnel section wall 8. The electric push rod 2 is used for pushing out or retracting the stepping motor 4 and the laser ranging sensor 6 to the protective box body 3.
In some embodiments, the protective case 3 comprises an automatic reset flip.
In the present embodiment, an automatic reset flip cover can realize the functions of being opened by the top and automatically closing the protection box 3.
As shown in fig. 1 and 2, the number of the automatic reset covers is two, and the two automatic reset covers are used for closing one opening of the protection box body 3.
In the embodiment, the two automatic reset flip covers can be selected from torsion springs with slightly smaller elasticity; and the rotating mechanism and the laser ranging sensor 6 can be completely separated from the cover body by ensuring that the pushing stroke of the pushing mechanism is shorter.
In some embodiments, the automatic reset flip cover includes a cover body and a torsion spring, and one side of the cover body is connected with the protection box body 3 through the torsion spring.
In the embodiment, the automatic reset flip cover is designed to be capable of being turned outwards and inwards, the retraction stroke of the pushing mechanism only needs to meet a certain length to enable the rotating mechanism and the laser ranging sensor 6 to be separated from the cover body, and the cover body rebounds under the action of the torsion spring to enable the protection box body 3 to be closed; the stroke that pushing mechanism stretches out only needs to satisfy certain length and can make slewing mechanism and laser ranging sensor 6 break away from the lid, and the lid kick-backs under the effect of torsional spring for under slewing mechanism and laser ranging sensor 6's user state, still carry out certain sealing to protection box body 3.
In some embodiments, the cover is a damping protective cover 5. This is typically accomplished by providing a layer of damping material on the surface of the cover.
In some embodiments, the securing member of the pushing mechanism is threaded with the second end of the anchoring section 1. The threaded connection is convenient for the integral disassembly and replacement of the pushing mechanism, the rotating mechanism and the laser ranging sensor 6.
As shown in fig. 3, the protective case 3 is installed embedded in the tunnel body. The embedding depth is based on the protection of the electric push rod 2 and the stepping motor 4.
This application is when data acquisition, and 2 elongations of electric putter drive step motor 4 and push away damping visor 5, and electric putter 2 stops the extension when extension length is enough to make step motor 4 free rotation, and step motor 4 then begins to rotate according to the angle that the master control set up, and the test of 66 line distances of laser rangefinder sensor after arriving appointed angle, record angle and corresponding distance information.
Tunnel section deformation monitoring structure, including at least one fixed laser monitoring devices 7, fixed laser monitoring devices 7 are installed on a tunnel section wall 8.
As shown in fig. 3, the tunnel section deformation monitoring structure includes a first monitoring device 71 and a second monitoring device 72, both the first monitoring device 71 and the second monitoring device 72 are installed on one tunnel section wall 8, and the first monitoring device 71 and the second monitoring device 72 are symmetrically distributed based on a connection line between a top midpoint and a bottom midpoint of the tunnel section wall 8. Such a distribution may reduce observations and 2 device scan outcomes may be verified against each other. The output section profile is shown in the following fig. 4, the overall deformation condition of the structural section (including the road surface) in each monitoring period can be known, the settlement and convergence information of the required point can be extracted according to the requirement, for example, the vault settlement of the point A and the horizontal convergence change of the BC measuring line can be obtained by extracting the distance between the point A, B and the point C in the lower graph.
The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.
Claims (9)
1. Fixed laser monitoring devices, its characterized in that includes:
an anchoring section; the first end of the anchoring section is connected with the tunnel main body;
a pushing mechanism; the fixed part of the pushing mechanism is arranged on the second end of the anchoring section;
a rotating mechanism; the fixed part of the rotating mechanism is arranged on the moving part of the pushing mechanism;
a laser ranging sensor; the laser ranging sensor is arranged on a rotating part of the rotating mechanism;
protecting the box body; when the laser ranging device is in a working state, the pushing mechanism pushes the rotating mechanism and the laser ranging sensor out of the protection box body.
2. The stationary laser monitoring device according to claim 1, wherein the protective case comprises an automatic reset flip.
3. The stationary laser monitoring device according to claim 2, wherein there are two automatic return flaps, and two automatic return flaps are used to close one opening of the protection box.
4. The fixed laser monitoring device according to claim 2 or 3, wherein the automatic reset flip comprises a cover and a torsion spring, and one side of the cover is connected with the protection box through the torsion spring.
5. The stationary laser monitoring device according to claim 4, wherein the cover is a damping protective cover.
6. The stationary laser monitoring device according to claim 1, wherein the stationary part of the pushing mechanism is threaded with the second end of the anchoring section.
7. The stationary laser monitoring device according to claim 1, wherein the protective box is mounted embedded in the tunnel body.
8. A tunnel section deformation monitoring structure, characterized by comprising at least one stationary laser monitoring device according to claims 1-7, which is installed on a tunnel section wall.
9. The tunnel section deformation monitoring structure according to claim 8, comprising two fixed laser monitoring devices, wherein the two fixed laser monitoring devices are installed on one tunnel section wall, and the two fixed laser monitoring devices are symmetrically distributed based on a connecting line of a top midpoint and a bottom midpoint of the tunnel section wall.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120500264.9U CN213179896U (en) | 2021-03-09 | 2021-03-09 | Fixed laser monitoring device and tunnel section deformation monitoring structure |
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| CN202120500264.9U CN213179896U (en) | 2021-03-09 | 2021-03-09 | Fixed laser monitoring device and tunnel section deformation monitoring structure |
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| CN213179896U true CN213179896U (en) | 2021-05-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113741487A (en) * | 2021-11-08 | 2021-12-03 | 辽博信息科技(山东)有限公司 | Robot system for bridge vibration detection |
| CN113804155A (en) * | 2021-08-31 | 2021-12-17 | 中铁七局集团有限公司 | Tunnel deformation intelligent monitoring equipment and installation and arrangement method |
-
2021
- 2021-03-09 CN CN202120500264.9U patent/CN213179896U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804155A (en) * | 2021-08-31 | 2021-12-17 | 中铁七局集团有限公司 | Tunnel deformation intelligent monitoring equipment and installation and arrangement method |
| CN113804155B (en) * | 2021-08-31 | 2023-06-09 | 中铁七局集团有限公司 | Intelligent tunnel deformation monitoring equipment and installation and arrangement method |
| CN113741487A (en) * | 2021-11-08 | 2021-12-03 | 辽博信息科技(山东)有限公司 | Robot system for bridge vibration detection |
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