CN220339310U - A roadway surface displacement monitoring device - Google Patents
A roadway surface displacement monitoring device Download PDFInfo
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- CN220339310U CN220339310U CN202321130388.8U CN202321130388U CN220339310U CN 220339310 U CN220339310 U CN 220339310U CN 202321130388 U CN202321130388 U CN 202321130388U CN 220339310 U CN220339310 U CN 220339310U
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- fixing device
- angle
- sliding sleeve
- displacement monitoring
- tripod
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Abstract
本实用新型公开了一种巷道表面位移监测装置，该装置包括：高度可调的三脚架，放置在巷道底板上；固角器，固定在高度可调的三脚架顶部中心位置，且固角器正面刻有角度刻度线；水平气泡仪，设置在固角器上；转动杆，竖直设置在三脚架顶部，并位于固角器后侧。
The utility model discloses a tunnel surface displacement monitoring device. The device includes: a height-adjustable tripod placed on the tunnel floor; an angle fixing device fixed at the center position of the top of the height-adjustable tripod, and the angle fixing device is engraved on the front It has an angle scale; a horizontal bubble gauge, which is set on the angle fixer; a rotating rod, which is set vertically on the top of the tripod and is located on the back side of the angle fixer.
Description
Technical Field
The utility model relates to the technical field of railway transportation, in particular to a roadway surface displacement monitoring device.
Background
The monitoring of the surface displacement of the mine tunnel is an important content of the monitoring of tunnel support, and the tunnel deformation characteristics can be obtained by measuring and calculating the displacement of two sides of the tunnel, the sinking of the top plate and the vault deformation value in the pit, so that an effective support scheme is determined, and the safety of the mine tunnel support is ensured.
The traditional roadway deformation monitoring generally adopts a steel tape measuring method, a measuring rod detecting method, a convergence meter measuring method and the like, and the methods have the defects of poor measuring precision, large workload, complex operation, interference of normal production and the like. At present, manual observation is often performed by using a hand-held laser range finder, and because a stable and reliable fixing mode is not available, re-measurement at the same position is difficult to ensure, and the error is usually large, so that the deformation condition of a roadway cannot be accurately reflected.
Disclosure of Invention
Aiming at the technical problems, the utility model provides a roadway surface displacement monitoring device.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a roadway surface displacement monitoring device, comprising:
the tripod with adjustable height is arranged on the roadway bottom plate;
the angle fixing device is fixed at the center of the top of the tripod with adjustable height, and angle scale marks are carved on the front surface of the angle fixing device;
the horizontal bubble instrument is arranged on the corner fixing device;
the rotating rod is vertically arranged at the top of the tripod and is positioned at the rear side of the angle fixing device, and the bottom of the rotating rod is rotatably connected with the top of the tripod along the angle scale line of the angle fixing device;
the laser range finder is detachably arranged at the top of the rotating rod.
The angle scale mark department that the angle ware back was fixed is equipped with the recess, is provided with the sand grip that can mutually adapt with the recess on the dwang lateral wall.
The laser range finder is installed at the top of the rotating rod through a buckle.
The buckle includes:
the mounting tube is provided with openings at two ends and a baffle plate at the middle part of the inner wall;
two springs respectively inserted into openings at two ends of the mounting tube;
the left sliding sleeve and the right sliding sleeve are respectively sleeved at two ends of the mounting tube, and the inner walls of the left sliding sleeve and the right sliding sleeve are respectively fixed with the corresponding springs;
the left chuck and the right chuck are respectively arranged at the tail ends of the left sliding sleeve and the right sliding sleeve.
24 scale marks are uniformly arranged on the front surface of the angle fixer, each scale mark is 15 degrees apart, and the scale range is 0 to 360 degrees.
The beneficial effects of the utility model are as follows: the utility model contacts with the roadway bottom plate through the triangular bracket with adjustable height, is used for supporting the whole device, the laser range finder is fixed on the upper part of the rotating rod through the buckle, and measures targets with different angles on the surface of the roadway by emitting laser, and the horizontal bubble meter maintains the level of the whole device, so that the measurement data is more accurate. The utility model is used for measuring the deformation of the surface of the roadway under the mine in real time, has simple and convenient operation, convenient carrying and low input cost, and can accurately measure the deformation condition of the full section of the roadway at multiple angles. The utility model is stable through the tripod, is convenient to carry, solves the problems of difficult fixation and large error of the laser range finder, has low cost and is not influenced by the underground working environment. The utility model can realize the rotation of the laser range finder from 0 to 360 degrees through the angle fixing device in the tunnel section, has adjustable height and is convenient for the omnibearing deformation monitoring of the tunnel section. The buckle of the utility model is telescopic and is suitable for laser range finders of different models.
Drawings
Fig. 1 is a schematic structural diagram of a roadway surface displacement monitoring device of the present utility model.
Fig. 2 is a schematic structural diagram of the buckle of the present utility model.
FIG. 3 is a schematic diagram of the present utility model in its practice.
Detailed Description
The present utility model will be further described in detail with reference to the following embodiments, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
As shown in fig. 1, a roadway surface displacement monitoring device includes: the tripod 1 with adjustable height is arranged on a roadway bottom plate; the angle fixing device 2 is fixed at the center of the top of the height-adjustable tripod 1, the front surface of the angle fixing device 2 is carved with angle scale marks, 24 scale marks are uniformly arranged on the front surface of the angle fixing device 2, each scale mark is 15 degrees apart, and the scale range is 0 to 360 degrees; the horizontal bubble instrument 6 is arranged on the corner fixing device 2; the rotating rod 3 is vertically arranged at the top of the tripod 1 and is positioned at the rear side of the angle fixer 2, and the bottom of the rotating rod 3 is rotatably connected with the top of the tripod 1 along the angle scale line of the angle fixer 2; and the laser range finder 5 is detachably arranged at the top of the rotating rod 3.
As shown in fig. 1, 24 grooves are respectively arranged on the back of the corner fixing device 2 corresponding to the scale marks, convex strips which can be mutually matched with the grooves are arranged on the side wall of the rotating rod 3, so that the corner fixing device can stably stay when rotated to a set angle, and the angle laser range finder 5 can conveniently measure.
As shown in fig. 1, a laser rangefinder 5 is mounted on top of the swivel rod 3 by means of a clasp 4.
As shown in fig. 2, the buckle 4 includes: the mounting pipe 44 is provided with two ends which are open, and a baffle is arranged in the middle of the inner wall; two springs 43 inserted into openings at both ends of the mounting tube 44, respectively; the left sliding sleeve 42 and the right sliding sleeve 45 are respectively sleeved at two ends of the mounting tube 44, and the inner walls of the left sliding sleeve 42 and the right sliding sleeve 45 are respectively fixed with the corresponding springs 43; left and right chucks 41 and 46 are provided at the ends of the left and right sliding sleeves 42 and 45, respectively.
As shown in fig. 3, when the utility model is used, the monitoring of the roadway surface displacement is realized through the following steps:
s1, paint spraying is used as two datum points on the middle and the side wall of a monitored tunnel section top plate, and a tunnel surface displacement monitoring device is placed on a tunnel bottom plate vertically below the datum point of the top plate during each monitoring, so that the midpoint of a horizontal bubble instrument 6 is positioned at the intersection point of the two datum points;
s2, installing a laser range finder 5 on the top of a rotating rod 3 through a buckle 4, adjusting a tripod 1 to enable the device to be stable on a roadway bottom plate, and adjusting a horizontal bubble meter 6 until the device is in a horizontal state;
s3, rotating the rotating rod 3, enabling the rotating rod 3 to stay to a horizontal position which is 0 degree of the angle fixing device 2, enabling the laser range finder 5 to be aligned with a reference point at the side wall, opening the laser range finder 5, rotating the rotating rod 3 according to the angle set by the angle fixing device 2, and recording the angle alpha i And corresponding laser rangefinder readout L i Repeating for three times, and taking average value；
S4, calculating the convergence deformation of the roadway surface through multiple measurement results: horizontal convergence: = the method comprises the steps of carrying out a first treatment on the surface of the Vertical convergence: />=/>The method comprises the steps of carrying out a first treatment on the surface of the Wherein subscript 1 represents the 1 st measurement and n represents the nth measurement.
It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (5)
1. The utility model provides a roadway surface displacement monitoring devices which characterized in that includes:
the tripod (1) with adjustable height is arranged on the roadway bottom plate;
the angle fixing device (2) is fixed at the center of the top of the tripod (1) with adjustable height, and angle scale marks are carved on the front surface of the angle fixing device (2);
the horizontal bubble instrument (6) is arranged on the corner fixing device (2);
the rotating rod (3) is vertically arranged at the top of the tripod (1) and is positioned at the rear side of the angle fixing device (2), and the bottom of the rotating rod (3) is rotatably connected with the top of the tripod (1) along the angle scale line of the angle fixing device (2);
and the laser range finder (5) is detachably arranged at the top of the rotating rod (3).
2. The roadway surface displacement monitoring device according to claim 1, wherein grooves are formed in the positions, opposite to the angle scale marks, of the back surfaces of the corner fixing devices (2), and convex strips which can be mutually matched with the grooves are arranged on the side walls of the rotating rods (3).
3. The roadway surface displacement monitoring device of claim 1, wherein the laser range finder (5) is mounted on the top of the rotating rod (3) through a buckle (4).
4. A roadway surface displacement monitoring device as claimed in claim 3, wherein said clasp (4) comprises:
a mounting pipe (44) with two open ends and a partition board arranged in the middle of the inner wall;
two springs (43) respectively inserted into openings at both ends of the mounting tube (44);
the left sliding sleeve (42) and the right sliding sleeve (45) are respectively sleeved at two ends of the mounting pipe (44), and the inner walls of the left sliding sleeve (42) and the right sliding sleeve (45) are respectively fixed with the corresponding springs (43);
the left clamping head (41) and the right clamping head (46) are respectively arranged at the tail ends of the left sliding sleeve (42) and the right sliding sleeve (45).
5. The roadway surface displacement monitoring device according to claim 1, wherein 24 graduation marks are uniformly arranged on the front surface of the corner fixing device (2), each graduation mark is 15 degrees apart, and the graduation range is 0 to 360 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321130388.8U CN220339310U (en) | 2023-05-11 | 2023-05-11 | A roadway surface displacement monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321130388.8U CN220339310U (en) | 2023-05-11 | 2023-05-11 | A roadway surface displacement monitoring device |
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| Publication Number | Publication Date |
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| CN220339310U true CN220339310U (en) | 2024-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321130388.8U Active CN220339310U (en) | 2023-05-11 | 2023-05-11 | A roadway surface displacement monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116625247A (en) * | 2023-05-11 | 2023-08-22 | 金川集团股份有限公司 | A roadway surface displacement monitoring device and its application method |
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2023
- 2023-05-11 CN CN202321130388.8U patent/CN220339310U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116625247A (en) * | 2023-05-11 | 2023-08-22 | 金川集团股份有限公司 | A roadway surface displacement monitoring device and its application method |
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