Roadway deformation monitoring equipment
By designing a fixing device and an angle adjustment device, combined with a protective cover and a cleaning device, the problems of inconvenient installation and short service life of laser scanners in mine tunnels have been solved, achieving precise positioning and dust prevention, and improving the installation accuracy and service life of monitoring equipment.
Patent Information
- Application Number
- CN202520366601.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Existing laser scanners are inconvenient to install and adjust in mine tunnels, and their lifespan is affected by dusty environments, resulting in poor monitoring performance.
A tunnel deformation monitoring device was designed, which includes a fixing device, an angle adjustment device, and a protective cover. The fixing device and the angle adjustment device ensure that the laser scanning device is installed in the center of the tunnel top. The protective cover isolates dust and is equipped with a cleaning device, thereby improving installation accuracy and service life.
It achieves precise positioning and dustproof effect of laser scanning device, improves installation accuracy and service life of monitoring equipment, and ensures accuracy and reliability of monitoring data.
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Figure CN223580959U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mine roadway monitoring technical field, concretely relates to a roadway deformation monitoring equipment. BACKGROUND
[0002] Many of the mine drivage roadways are soft rock roadways, and the current shallow easily mined coal resources are decreasing, so it is necessary to turn to mine deep coal resources. With the increase of mining depth, the problem of soft rock roadway mining is increasingly prominent, and the deformation of roadway surrounding rock is increasingly serious. Roadway monitoring technology also develops, and the purpose is to take dynamic monitoring of soft rock roadway in the construction process and provide feedback information to guide construction and modify design and ensure engineering safety.
[0003] The current mainstream monitoring technology mainly has two kinds, the first kind is to monitor by means of convergence instrument, measuring rod, steel ruler and laser range finder, and the convergence deformation of surrounding rock two sides is directly measured every time interval. This method has the advantages of convenient implementation, simple and intuitive, strong applicability, etc., can reflect the main trend of deformation, but also has many defects, for example: low accuracy, measuring point is easy to be damaged artificially, low efficiency, and time-consuming, and the most critical point is that the number of points measured by the above method is less, which cannot fully show the deformation of the roadway. The second kind is to use laser scanner to periodically scan the roadway, collect roadway section data, and display the roadway section graph on the screen, upload the scanned section data to the server on the well through RJ45 / WIFI for depth analysis, read the attitude of the laser scanner component, and judge whether the current attitude and the initial installation attitude are consistent. When the attitude changes are judged, the display / upload component will issue an alarm and upload, and the monitoring effect is more reliable.
[0004] The existing laser scanner is basically directly installed on the top of the roadway through the anchor rod, in order to ensure the accuracy of the monitoring effect of the laser scanner, the installation position has higher requirements, but the installation structure of the existing laser scanner lacks effective adjusting device, and is inconvenient to use. Moreover, since there is much dust in the mine, the laser scanner is exposed to the environment with high dust for a long time, which is very easy to fail, affects the service life of the scanner, and causes the monitoring function to fail. SUMMARY
[0005] In order to solve the problems in the prior art, the utility model patent designs a roadway deformation monitoring equipment to solve the problems of inconvenient installation and adjustment of the laser scanner in the existing mine monitoring and the affected service life.
[0006] The utility model discloses a technical scheme adopted is: the monitoring equipment includes fixed device, angle adjusting device and laser scanning device connected in proper order, the outside of laser scanning device is provided with the protective cover, the protective cover includes front cover and back cover, the laser scanning device is fixed in the back cover of protective cover, the top of back cover is fixedly connected with angle adjusting device, the inboard of back cover is installed with the opening and closing device, and the front cover is connected through the opening and closing device.
[0007] Further, the opening and closing device includes a drive motor, the drive motor is installed at one end of the back cover, the output end of the drive motor is connected with a driving gear, the driving gear is connected with a driven gear, the driven gear is connected with the back cover through a rotating shaft, the gear ring side of the driven gear is connected with one end of the front cover through a pin shaft, the other end of the front cover is connected with a supporting wheel through a pin shaft, and the supporting wheel is coaxially connected with the driven gear through a rotating shaft and connected with the other end of the back cover.
[0008] Further, the protective cover is provided with a cleaning device, the cleaning device includes a circular support frame, the support frame is fixedly connected with the end surface of the back cover, a rubber gasket is fixed on the inner arc surface of the support frame, and the rubber gasket is tightly attached to the outer surface of the front cover.
[0009] Further, the fixed device includes a vertical connecting pipe, and a compression bolt is threadedly connected to the upper portion of the connecting pipe.
[0010] Further, the fixed device further includes a horizontal support arm, one end of the support arm is rotatably connected to the bottom of the connecting pipe, a positioning bolt is threadedly connected to the support arm, and the other end of the support arm is connected with the angle adjusting device.
[0011] Further, the top of the angle adjusting device is fixedly connected with the support arm through a bolt, the angle adjusting device includes an upper U-shaped plate and an intermediate pipe, the opening of the upper U-shaped plate faces downward, arc-shaped upper adjusting holes are formed in the two side plates of the upper U-shaped plate, upper adjusting bolts are threadedly connected to the upper portion of the intermediate pipe, the upper adjusting bolts pass through the upper adjusting holes of the upper U-shaped plate, and the upper portion of the intermediate pipe is rotatably connected to the center position of the upper adjusting hole of the upper U-shaped plate through a pin shaft.
[0012] Further, the angle adjusting device further includes a lower U-shaped plate, the opening of the lower U-shaped plate faces upward, arc-shaped lower adjusting holes are formed in the two side plates of the lower U-shaped plate, lower adjusting bolts are threadedly connected to the lower portion of the intermediate pipe, the lower adjusting bolts pass through the lower adjusting holes of the lower U-shaped plate, the lower portion of the intermediate pipe is rotatably connected to the center position of the lower adjusting hole of the lower U-shaped plate through a pin shaft, and the bottom plate of the lower U-shaped plate is fixedly connected with the top end of the back cover of the protective cover.
[0013] The utility model discloses a kind of roadway deformation monitoring equipment, which is improved in the following aspects compared with prior art:
[0014] The laser scanning device is installed by the fixing device and the angle adjusting device. The fixing device is provided with a transverse support arm, which is assembled with the connecting pipe by positioning bolts. The orientation of the support arm can be adjusted to ensure that the laser scanning device is arranged at the top central position of the roadway. The angle adjusting device is composed of a hinged upper U-shaped plate, a middle pipe and a lower U-shaped plate. The upper U-shaped plate and the lower U-shaped plate are respectively provided with arc-shaped adjustment holes in the transverse and longitudinal directions. The installation angle of the laser scanning device can be adjusted in the transverse and longitudinal directions to ensure the accuracy of the installation position of the laser scanning device and improve the monitoring effect.
[0015] The laser scanning device is arranged in the protective cover to isolate external dust and reduce the failure rate. The front cover of the protective cover is connected with the rear cover by the opening and closing device. The opening and closing device can be opened and closed under the drive of the driving motor. The cleaning device on the outer side of the front cover can clean the dust on the outer side of the front cover regularly to ensure the accuracy of the monitoring effect. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is a structural schematic diagram of the roadway deformation monitoring equipment.
[0017] Figure 2 is a partial enlarged structural schematic diagram of the angle adjusting device.
[0018] Figure 3 is a sectional structural schematic diagram of the protective cover of the laser scanning device.
[0019] Figure 4 is an application schematic diagram of the roadway deformation monitoring equipment.
[0020] In the figure, 1 is a fixing device, 2 is an angle adjusting device, 3 is a laser scanning device, 4 is a protective cover, 5 is a cleaning device, 6 is an anchor rod, 7 is a roadway, 11 is a connecting pipe, 12 is a support arm, 13 is a compression bolt, 21 is an upper U-shaped plate, 22 is a middle pipe, 23 is a lower U-shaped plate, 24 is an upper adjustment hole, 25 is a lower adjustment hole, 26 is an upper adjustment bolt, 27 is a lower adjustment bolt, 41 is a rear cover, 42 is a front cover, 43 is a driving gear, 44 is a driven gear, 45 is a supporting wheel, and 46 is a pin shaft. DETAILED DESCRIPTION
[0021] The utility model discloses make further illustration to the utility model below combining with the drawing and specific embodiment. The technical scheme of the embodiment of the utility model is clearly and completely described, and the described embodiment is only a part of the embodiment of the utility model, not all. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.
[0022] As Figure 1 、 2 , 3, the utility model discloses a kind of embodiment of roadway deformation monitoring equipment, and the monitoring equipment in this embodiment includes sequentially connected fixed device 1, angle adjusting device 2 and laser scanning device 3, the outer side of laser scanning device 3 is provided with protective cover 4, protective cover 4 is spherical, including front cover 42 and back cover 41. Fixed device 1 includes vertically arranged connecting pipe 11 and transversely arranged support arm 12, the upper portion of connecting pipe 11 is threadedly connected with compression bolt 13, one end of support arm 12 is rotatably connected at the bottom of connecting pipe 11, and is threadedly connected with positioning bolt, the orientation of support arm 12 can be adjusted and positioned by positioning bolt, the other end of support arm 12 is connected with angle adjusting device 2.
[0023] Angle adjusting device 2 includes upper U-shaped plate 21, middle pipe 22 and lower U-shaped plate 23. The opening of upper U-shaped plate 21 of angle adjusting device 2 faces downward, and the top plate is connected and fixed with support arm 12 by bolt, and the lower position of both side plates is respectively provided with arc-shaped upper adjusting hole 24. Middle pipe 22 is square column, and the upper portion of the front and back sides thereof is respectively threadedly connected with upper adjusting screw 26, and upper adjusting screw 26 of the front and back sides is respectively passed from upper adjusting hole 24 of both side plates of upper U-shaped plate 21, and the upper portion of the front and back sides of middle pipe 22 is respectively rotatably connected at the center position of upper adjusting hole 24 of both side plates of upper U-shaped plate 21 by pin shaft. The opening of lower U-shaped plate 23 faces upward, and the upper side plate thereof is respectively provided with arc-shaped lower adjusting hole 25, and the lower portion of the left and right sides of middle pipe 22 is respectively threadedly connected with lower adjusting screw 27, and lower adjusting screw 27 of the left and right sides is respectively passed from lower adjusting hole 25 of both side plates of lower U-shaped plate 23, and the lower portion of the left and right sides of middle pipe 22 is respectively rotatably connected at the center position of lower adjusting hole 25 of both side plates of lower U-shaped plate 23 by pin shaft, and the bottom plate of lower U-shaped plate 23 is connected and fixed with the top end of back cover 42 of protective cover 4
[0024] Laser scanning device 3 is fixed in back cover 41 of protective cover 4, and opening and closing device is installed on the inner side of back cover 41, and front cover 42 is connected by opening and closing device, and front cover 42 is of transparent material. Opening and closing device can drive front cover 42 to rotate and open, and front cover 42 is received in back cover 41 after being opened. The signal line of laser scanning device 3 is passed out from back cover 42, and is sealed, to prevent dust from entering, and the lens of laser scanning device 3 faces the side of front cover 42.
[0025] The opening and closing device comprises a driving motor, which is a prior art, is installed at one end of the rear cover 41 of the protective cover 4, is powered and controlled by the power supply control module of the laser scanning device 3, can rotate in both directions, and has a driving gear 43 connected to an output end thereof, a driven gear 44 connected to the driving gear 43, a front cover 42 connected to one end of the driven gear 44 through a pin shaft 46, and a support wheel 45 connected to the other end of the rear cover 41 through a pin shaft 46.
[0026] The protective cover 4 is provided with a cleaning device 5, which comprises a circular support frame fixed to an end surface of the rear cover 41 by bolts, and a rubber gasket fixed to an inner arc surface of the support frame.
[0027] In combination Figure 4 As shown in the drawings, the roadway deformation monitoring equipment disclosed by the utility model is applied, a hole is first punched in the top of the roadway 7, the anchor rod 6 is installed, the connecting pipe 11 of the fixing device 1 is sleeved on the anchor rod 6, and positioning is performed through the compression bolt 13, then the angle adjusting device 2 and the laser scanning device 3 are sequentially connected. After the connection is completed, the orientation of the support arm 12 and the angle adjusting device 2 are adjusted, so that the laser scanning device 3 is located at the central position of the top of the roadway, the power supply and signal lines are connected, and the installation of the monitoring equipment is completed.
[0028] The above is only a preferred embodiment of the present application, and cannot limit the scope of the present application, that is, any simple equivalent changes and modifications made according to the claims and the description of the present application still fall within the scope of the present application.
Claims
1. A tunnel deformation monitoring device, characterized in that, The monitoring equipment includes a fixing device, an angle adjustment device, and a laser scanning device connected in sequence. A protective cover is provided on the outside of the laser scanning device. The protective cover includes a front cover and a rear cover. The laser scanning device is fixed in the rear cover of the protective cover. The top of the rear cover is fixedly connected to the angle adjustment device. An opening and closing device is installed on the inside of the rear cover, and the front cover is connected through the opening and closing device.
2. The tunnel deformation monitoring device according to claim 1, characterized in that, The opening and closing device includes a drive motor, which is installed at one end of the rear cover. Its output end is connected to a drive gear, which meshes with a driven gear. The driven gear is connected to the rear cover via a rotating shaft. The side of the gear ring of the driven gear is connected to one end of the front cover via a pin. The other symmetrical end of the front cover is connected to a support wheel via a pin. The support wheel is coaxially connected to the other end of the rear cover via a rotating shaft and the driven gear.
3. The tunnel deformation monitoring device according to claim 2, characterized in that, The protective cover is equipped with a cleaning device, which includes a circular support frame. The support frame is connected and fixed to the end face of the rear cover. A rubber gasket is fixed on the inner arc surface of the support frame, and the rubber gasket is in close contact with the outer surface of the front cover.
4. The tunnel deformation monitoring device according to claim 3, characterized in that, The fixing device includes a vertical connecting pipe, and a clamping bolt is threadedly connected to the upper part of the connecting pipe.
5. The tunnel deformation monitoring device according to claim 4, characterized in that, The fixing device also includes a horizontal support arm, one end of which is rotatably connected to the bottom of the connecting pipe and threaded with a positioning bolt, and the other end of which is connected to an angle adjustment device.
6. The tunnel deformation monitoring device according to claim 5, characterized in that, The top of the angle adjustment device is fixed to the support arm by bolts. The angle adjustment device includes an upper U-shaped plate and a middle tube. The opening of the upper U-shaped plate faces downward, and arc-shaped upper adjustment holes are respectively opened on the lower side plates of the upper U-shaped plate. Upper adjustment bolts are threaded to the front and rear sides of the upper part of the middle tube. The upper adjustment bolts pass through the upper adjustment holes of the upper U-shaped plate. The upper part of the middle tube is rotatably connected to the center position of the upper adjustment hole of the upper U-shaped plate by a pin.
7. The tunnel deformation monitoring device according to claim 6, characterized in that, The angle adjustment device also includes a lower U-shaped plate with its opening facing upwards. Arc-shaped lower adjustment holes are respectively opened on the upper sides of the plate. Lower adjustment bolts are threaded to the lower left and right sides of the middle tube. The lower adjustment bolts pass through the lower adjustment holes of the lower U-shaped plate. The lower part of the middle tube is rotatably connected to the center of the lower adjustment hole of the lower U-shaped plate by a pin. The bottom plate of the lower U-shaped plate is connected and fixed to the top of the rear cover of the protective cover.