CN215369841U

CN215369841U - Hidden structure of optical reflector for monitoring deformation of tunnel supporting structure

Info

Publication number: CN215369841U
Application number: CN202121368540.7U
Authority: CN
Inventors: 王晖; 阎明东; 赵杰
Original assignee: China Railway 19th Bureau Group Co Ltd; Fifth Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
Current assignee: China Railway 19th Bureau Group Co Ltd; Fifth Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-12-31
Anticipated expiration: 2031-06-18

Abstract

The utility model provides a hidden structure of an optical reflector for monitoring deformation of a tunnel supporting structure, which comprises a groove and a movable mechanism, wherein the groove is arranged on a tunnel support, the groove is used for accommodating the optical reflector, the movable mechanism is movably connected with the groove, the optical reflector is connected with the movable mechanism and is used for unfolding the optical reflector accommodated in the groove to the outside of the groove, the movable mechanism can move relative to the groove because the movable mechanism is movably connected with the groove, when the deformation condition of the tunnel support needs to be detected, the optical reflector connected with the movable mechanism is moved to the outer fixed position of the groove by moving the movable mechanism for measurement of a total station, after the measurement is finished, the optical reflector connected with the movable mechanism is moved to the inside of the groove by moving the movable mechanism, and the optical reflector is accommodated in the groove of the tunnel support, the monitoring device is prevented from being exposed in the tunnel environment when not in use, so that the monitoring device is prevented from being damaged.

Description

Hidden structure of optical reflector for monitoring deformation of tunnel supporting structure

Technical Field

The utility model relates to the technical field of tunnel construction, in particular to a hidden structure of an optical reflector plate for monitoring deformation of a tunnel supporting structure.

Background

The mine tunnel is affected by blasting after being excavated, so that the surrounding rock body is broken and becomes loose, so that the risk of collapse is caused, in order to improve the safety coefficient in the tunnel, a tunnel support, such as an arched support bracket, is usually required to be manufactured in the tunnel, the tunnel support deforms after being stressed, the monitoring of the deformation quantity of the tunnel support is an effective guarantee for the engineering construction quality and the safety, the deformation quantity of the tunnel support is usually measured through a convergence ring in the prior art, but because the traditional convergence ring has a tensioning process to the convergence ring in the measuring process by adopting the convergence meter, if the strength of the embedding position of the convergence ring is not enough, the loosening is easy to generate artificial errors, and the artificial accidental errors of the measurement method of the convergence meter are more, so the inventor arranges optical reflection sheets on two opposite positions of the tunnel support structure, and monitoring the distance between the optical reflection sheets on the two sides by using a total station at a specified time, and comparing the difference value of the distance measured currently, thereby judging the deformation quantity generated by tunnel support.

However, since surrounding rock bodies of the mine tunnel are in a loose state, broken stones may drop through the mine tunnel, and the working machine may vibrate during the construction process, the moving working machine may rub and collide with surrounding objects, the optical reflection sheet installed in one position needs to be measured for multiple times at different times, the optical reflection sheet still cannot be detached when the optical reflection sheet does not work, the optical reflection sheet always exposed in the tunnel environment may be damaged due to collision of blasting flyrock or the working machine, in addition, the monitoring is discontinuous due to the damage of the optical reflection sheet, and even if a new optical reflection sheet is installed again in the position, the risk that the discontinuity of monitoring data may occur cannot be compensated, so the protection of the optical reflection sheet installed in the tunnel support is particularly important.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hidden structure of an optical reflector for monitoring deformation of a tunnel supporting structure, which aims to solve the technical problem that the optical reflector installed in the tunnel supporting structure for monitoring deformation is still exposed in a tunnel environment when not in work, so that the optical reflector is damaged.

The utility model provides a hidden structure of an optical reflector for monitoring deformation of a tunnel supporting structure, which comprises a groove and a movable mechanism, wherein the groove is arranged on a tunnel support and used for accommodating the optical reflector, the movable mechanism is movably connected to the groove, and the optical reflector is connected to the movable mechanism and used for unfolding the optical reflector accommodated in the groove to the outside of the groove.

Further, the movable mechanism comprises a hinge assembly, and the optical reflection sheet is hinged to the groove through the hinge assembly.

Further, the hinge assembly includes a hinge and a connector, a fixed blade of the hinge is connected to the groove, the connector is connected to a movable blade of the hinge, and an optical reflection sheet is connected to the connector.

Further, the hinge assembly further comprises a connecting rod, the fixed blade of the hinge is connected to one end of the connecting rod, and the other end of the connecting rod penetrates through a supporting finishing surface of the tunnel support and is connected to a supporting reinforcing steel bar in the tunnel support.

Further, the connecting rod includes the twisted steel, the twisted steel welds the support reinforcing bar in the tunnel is strutted.

Further, the opening and closing angle of the hinge is 270 °, the surface of the fixed blade of the hinge, which can be attached to the movable blade, is connected to the end of the connecting rod, and the surface of the fixed blade of the hinge is parallel to the surface of the opening end of the groove.

Further, the opening and closing angle of the hinge is 180 degrees, the surface of the fixed blade of the hinge, which can be attached to the movable blade, is connected to the side surface of the connecting rod, and the surface of the fixed blade of the hinge is perpendicular to the surface of the opening end of the groove.

Further, still include human-computer interaction module and motor, articulated subassembly transmission connect in the motor, the motor is used for the drive articulated subassembly rotates, human-computer interaction module with motor electric connection.

Further, an optical reflection sheet is detachably coupled to the hinge assembly, and particularly, the optical reflection sheet is detachably coupled to the coupling member.

Further, the movable mechanism comprises a telescopic assembly and a connecting piece, the optical reflection sheet is connected to the connecting piece, the connecting piece is connected to one end of the telescopic assembly, and the other end of the telescopic assembly is connected to the groove.

The hidden structure of the optical reflector plate for monitoring the deformation of the tunnel supporting structure has the beneficial effects that: because of movable mechanism swing joint in the recess, movable mechanism can remove for the recess, when the deformation condition that needs to the tunnel support was surveyed, through removing movable mechanism, make the optics reflector plate who connects in movable mechanism remove to the outside of recess, supply the total powerstation to measure, after accomplishing the measurement, through removing movable mechanism, make the optics reflector plate who connects in movable mechanism remove to the inside of recess, optics reflector plate is accomodate inside the recess of tunnel support, avoid optics reflector plate when need not the during operation still expose in the tunnel environment and have impaired risk, played the guard action to monitoring devices.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a tunnel support including a hidden structure of an optical reflector for deformation monitoring of the tunnel support according to one embodiment of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is a schematic top view of a hidden structure of an optical reflector for monitoring deformation of a tunnel supporting structure, which is deployed to the outside of the groove according to an embodiment of the present invention;

fig. 4 is a schematic top view of a hidden structure of an optical reflection sheet for monitoring deformation of a tunnel supporting structure, which is accommodated in the groove according to a first embodiment of the present invention;

fig. 5 is a schematic top view of a hidden structure of an optical reflector for monitoring deformation of a tunnel supporting structure according to a second embodiment of the present invention, when the hidden structure is deployed to the outside of the groove;

fig. 6 is a schematic top view of a hidden structure of an optical reflection sheet for monitoring deformation of a tunnel supporting structure according to a second embodiment of the present invention, when the hidden structure is received in the groove;

fig. 7 is a schematic top view of a hidden structure of an optical reflector for monitoring deformation of a tunnel supporting structure, which is provided by the third embodiment of the utility model, when the hidden structure is unfolded to the outside of the groove;

fig. 8 is a schematic top view of a hidden structure of an optical reflection sheet for monitoring deformation of a tunnel supporting structure according to a third embodiment of the present invention, when the hidden structure is received in the groove;

description of reference numerals:

1. a groove; 2. a movable mechanism; 21. a hinge assembly; 211. a hinge; 2111. a fixed blade; 2112. a movable blade; 212. a connecting member; 213. a connecting rod; 22. a telescoping assembly; 3. an optical reflection sheet; 4. supporting a tunnel; 41. supporting reinforcing steel bars; 42. and (5) supporting the finished surface.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.

In embodiments of the utility model, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, reference to the description of the terms "one embodiment," "first-aspect embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The hidden structure of the optical reflector for monitoring the deformation of the tunnel supporting structure provided by the utility model is described in the following with reference to fig. 1-8.

As shown in fig. 1 to 4, a first embodiment of the present invention provides a hidden structure of an optical reflector for monitoring deformation of a tunnel supporting structure, including a groove 1 and a movable mechanism 2, where the groove 1 is disposed on a tunnel supporting structure 4, the groove 1 is used to receive an optical reflector 3, the movable mechanism 2 is movably connected to the groove 1, and the optical reflector 3 is connected to the movable mechanism 2 and is used to unfold the optical reflector 3 received in the groove 1 to the outside of the groove 1.

Because of movable mechanism 2 swing joint in recess 1, movable mechanism 2 can remove for recess 1, when needs are examined tunnel support 4's deformation condition, through removing movable mechanism 2, make the optics reflector plate 3 who connects in movable mechanism 2 remove to the outside of recess 1, supply the total powerstation to measure, after accomplishing the measurement, through removing movable mechanism 2, make the optics reflector plate 3 who connects in movable mechanism 2 remove to the inside of recess 1, optics reflector plate 3 is accomodate inside recess 1 of tunnel support 4, avoid optics reflector plate 3 to expose in the tunnel environment, thereby optical reflector plate 3 has played the guard action.

According to the embodiment, the movable mechanism 2 comprises a hinge assembly 21, and the optical reflection sheet 3 is hinged to the groove 1 through the hinge assembly 21. The optical reflection sheet 3 is turned by the hinge assembly 21 and moved to the inside or outside of the groove 1 by turning.

According to the present embodiment, the hinge assembly 21 includes a hinge 211 and a connection member 212, the fixed blade 2111 of the hinge 211 is connected to the groove 1, the connection member 212 is connected to the movable blade 2112 of the hinge 211, and the optical reflection sheet 3 is connected to the connection member 212. Hinge 211's simple structure, it is with low costs, and hinge 211 that has certain angle that opens and shuts can play limiting displacement to hinge 211's rotation, and through the position of the biggest angle with hinge 211 after the expansion as optical reflector 3 be used for by the total powerstation position of carrying out the measurement, can guarantee to be in same position with hinge 211 fully expand back optical reflector 3 at every turn, improved the degree of accuracy of data monitoring and the convenient degree of use.

According to this embodiment, the hinge assembly 21 further includes a connection rod 213, the fixed blade 2111 of the hinge 211 is connected to one end of the connection rod 213, and the other end of the connection rod 213 penetrates the supporting completion surface 42 of the tunnel support 4 and is connected to the supporting reinforcement 41 in the tunnel support 4. The fixing effect of the combining sheet 211 is improved.

According to this embodiment, the connecting rod 213 comprises a threaded steel bar welded to the support bars 41 in the tunnel support 4. The thread of the rebar can generate friction with the supporting finish surface 42, and the rebar is prevented from sliding out of the supporting finish surface 42.

According to the present embodiment, the hinge 211 has an opening and closing angle of 270 °, the surface of the fixed blade 2111 of the hinge 211, which can be fitted to the movable blade 2112, is connected to the end of the connecting rod 213, and the surface of the fixed blade 2111 of the hinge 211 is parallel to the open end surface of the groove 1. By unfolding the movable blade 2112, after the movable blade 2112 and the fixed blade 2111 form 270 degrees, the movable blade 2112 cannot be unfolded continuously, and at this time, the surface of the movable blade 2112 is perpendicular to the opening end surface of the groove 1, in this embodiment, the connecting member 212 is a sheet-shaped structure, the end surface of the connecting member 212, which is used for connecting the optical reflection sheet 3, is parallel to the surface of the movable blade 2112, and the optical reflection sheet 3 connected to the movable blade 2112 through the connecting member 212 is perpendicular to the opening end surface of the groove 1 at this time, so that the total station can monitor more conveniently, and the movable blade 2112 formed 270 with the fixed blade 2111 can be accommodated in the groove 1 after being turned over along the direction B.

As shown in fig. 5 to 6, a second embodiment of the present invention provides a concealing structure of an optical reflection sheet for monitoring deformation of a tunnel supporting structure, which is different from the first embodiment, in the present embodiment, an opening and closing angle of the hinge 211 is 180 °, a surface of the fixed blade 2111 of the hinge 211, which can be attached to the movable blade 2112, is connected to a side surface of the connecting rod 213, and a surface of the fixed blade 2111 of the hinge 211 is perpendicular to an opening end surface of the groove 1. By unfolding the movable blade 2112, after the movable blade 2112 and the fixed blade 2111 form 180 degrees, the movable blade 2112 cannot be unfolded continuously, the surface of the connecting piece 212 for connecting the optical reflection sheet 3 is parallel to the surface of the movable blade 2112, and the surface of the movable blade 2112 is perpendicular to the opening end face of the groove 1 at the moment, so that the total station can monitor conveniently.

According to this embodiment, still include human-computer interaction module and motor, articulated subassembly 21 transmission connect in the motor, the motor is used for the drive articulated subassembly 21 rotates, human-computer interaction module with motor electric connection. The motor is controlled to work through the interpersonal interaction module, the hinge assembly 21 is rotated through the motor, and therefore the overturning work of the optical reflector plate 3 is completed, manual overturning is not needed, and control is facilitated.

According to this embodiment, the optical reflection sheet 3 is detachably attached to the connection member 212.

As shown in fig. 7-8, a third embodiment of the present invention provides a hidden structure of an optical reflection sheet for monitoring deformation of a tunnel supporting structure, wherein the movable mechanism 2 includes a telescopic assembly 22 and a connecting member 212, the optical reflection sheet 3 is connected to the connecting member 212, the connecting member 212 is connected to one end of the telescopic assembly 22, and the other end of the telescopic assembly 22 is connected to the groove 1. The optical reflection sheet 3 connected to the connection member 212 can move into the groove 1 and out of the groove 1 by controlling the extension and retraction of the connection member 212 by the extension and retraction assembly 22.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A hidden structure of an optical reflector for monitoring deformation of a tunnel supporting structure is characterized by comprising:

the groove is arranged on the tunnel support and used for accommodating the optical reflection sheet;

the movable mechanism is movably connected with the groove, and the optical reflection sheet is connected with the movable mechanism and used for unfolding the optical reflection sheet contained in the groove to the outside of the groove.

2. The concealing structure for optical reflection sheet for tunnel supporting structure deformation monitoring according to claim 1, wherein the movable mechanism comprises a hinge assembly, and the optical reflection sheet is hinged to the groove through the hinge assembly.

3. The concealing structure for optical reflection sheet for tunnel supporting structure deformation monitoring according to claim 2, wherein the hinge assembly comprises a hinge and a connecting piece, a fixed blade of the hinge is connected to the groove, the connecting piece is connected to a movable blade of the hinge, and the optical reflection sheet is connected to the connecting piece.

4. The hidden structure of optical reflection sheet for tunnel supporting structure deformation monitoring as claimed in claim 3, wherein the hinge assembly further comprises a connecting rod, the fixed blade of the hinge is connected to one end of the connecting rod, and the other end of the connecting rod penetrates into the supporting completion surface of the tunnel support and is connected to the supporting steel bar in the tunnel support.

5. The concealing structure of optical reflection sheets for deformation monitoring of a tunnel supporting structure according to claim 4, wherein the connecting rod comprises a threaded steel bar, and the threaded steel bar is welded to a supporting steel bar in the tunnel supporting structure.

6. The concealing structure of an optical reflection sheet for tunnel supporting structure deformation monitoring according to claim 4, wherein the hinge has an opening and closing angle of 270 °, a surface of a fixed blade of the hinge, which can be attached to a movable blade, is connected to an end of the connecting rod, and a surface of the fixed blade of the hinge is parallel to an opening end surface of the groove.

7. The concealing structure of an optical reflection sheet for tunnel supporting structure deformation monitoring according to claim 4, wherein the hinge has an opening and closing angle of 180 °, a surface of a fixed blade of the hinge, which can be attached to a movable blade, is connected to a side surface of the connecting rod, and a surface of the fixed blade of the hinge is perpendicular to an opening end surface of the groove.

8. The hidden structure of the optical reflector used for monitoring the deformation of the tunnel supporting structure as claimed in claim 2, further comprising a human-computer interaction module and a motor, wherein the hinge assembly is in transmission connection with the motor, the motor is used for driving the hinge assembly to rotate, and the human-computer interaction module is electrically connected with the motor.

9. The concealing structure for optical reflection sheet for deformation monitoring of tunnel supporting structure according to any one of claims 2-8, wherein the optical reflection sheet is detachably connected to the hinge assembly.

10. The hidden structure of the optical reflection sheet for monitoring the deformation of the tunnel supporting structure as claimed in claim 1, wherein the movable mechanism comprises a telescopic assembly and a connecting piece, the optical reflection sheet is connected to the connecting piece, the connecting piece is connected to one end of the telescopic assembly, and the other end of the telescopic assembly is connected to the groove.