Monitoring device applied to intelligent monitoring of subway tunnel deformation

Abstract

The utility model discloses a monitoring device applied to intelligent monitoring of subway tunnel deformation, which relates to the field of monitoring technology, and comprises a monitoring main body, a fixed base and a posture adjusting seat, the fixed base is used for being fixedly connected with a subway tunnel, and the fixed base comprises a lifting mechanism used for driving the posture adjusting seat to vertically lift; the posture adjusting seat comprises a lower mounting plate, a horizontal adjusting mechanism and an upper mounting plate, the lower mounting plate is fixedly connected to the lifting mechanism, the horizontal adjusting mechanism is arranged on the lower mounting plate, and the upper mounting plate is connected to the horizontal adjusting mechanism and can be driven by the horizontal adjusting mechanism to horizontally move; the monitoring main body comprises a monitoring head and a main machine body, the main machine body is fixed to the upper mounting plate, and the monitoring head is arranged on the main machine body in a pitching rotation mode. The monitoring device has the advantage that the position of the monitoring device can be conveniently adjusted during installation and use.

Description

Technical Field

[0001] The utility model relates to the field of monitoring technology, in particular to a monitoring device used for intelligently monitoring the deformation of a subway tunnel. Background Art

[0002] Subway tunnel deformation monitoring uses special instruments and methods to monitor the horizontal displacement, settlement, inclination, cracks, deflection, swing and vibration of subway tunnels.

[0003] For example, Chinese utility model patent publication number CN211601924U discloses a deformation monitoring device for a subway tunnel. By adjusting the elevation angle of the rangefinder so that the detection point of the rangefinder is directly opposite to the tunnel top wall, and by transmitting the distance information to a computer, the deformation of the tunnel top wall can be monitored over a long period of time.

[0004] In the above monitoring device, the rangefinder can only adjust the elevation angle, but cannot adjust the installation position. The monitoring device is installed in a subway tunnel, which is prone to displacement due to vibration, and is inconvenient to adjust. Summary of the invention

[0005] The utility model aims to provide a monitoring device for intelligently monitoring the deformation of a subway tunnel, which has the advantage of being convenient for adjusting the position during installation and use.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] The utility model provides a monitoring device for intelligently monitoring the deformation of a subway tunnel. The monitoring device comprises a monitoring body, a fixed base and a posture adjustment base. The fixed base is used to be fixedly connected to the subway tunnel. The fixed base comprises a lifting mechanism for driving the posture adjustment base to vertically lift and lower.

[0008] The posture adjustment seat comprises a lower mounting plate, a horizontal adjustment mechanism and an upper mounting plate, wherein the lower mounting plate is fixedly connected to the lifting mechanism, the horizontal adjustment mechanism is arranged on the lower mounting plate, and the upper mounting plate is connected to the horizontal adjustment mechanism and can move horizontally under the drive of the horizontal adjustment mechanism;

[0009] The monitoring main body comprises a monitoring head and a main body, wherein the main body is fixed to the upper mounting plate, and the monitoring head is arranged on the main body so as to be able to pitch and rotate.

[0010] Furthermore, the lifting mechanism includes a motor, an adjusting wheel box, a screw and a nut slider, the motor is transmission-connected to the adjusting wheel box, the output shaft of the adjusting wheel box is connected to the screw, the nut slider is threadedly engaged with the screw, and the nut slider is fixedly connected to the lower mounting plate.

[0011] Furthermore, the fixed base also includes a supporting shell, the motor and the adjusting wheel box are installed in the supporting shell, and the screw rod passes through the top of the supporting shell.

[0012] Furthermore, the lifting mechanism also includes a guide column, which is fixed to the supporting shell, and a guide hole is provided on the lower mounting plate, and the guide column can be slidably matched with the guide hole.

[0013] Furthermore, the lifting mechanism also includes a protective shell, which is sleeved outside the screw rod, and avoidance grooves for exposing the nut slider are arranged on both sides of the protective shell.

[0014] Furthermore, the horizontal adjustment mechanism includes a horizontal guide rail, a horizontal slider and a driving electric cylinder, the horizontal guide rail is arranged on the upper side of the lower mounting plate, the horizontal slider is slidably fitted in the horizontal guide rail, and the horizontal slider is fixedly connected to the upper mounting plate; the cylinder body of the driving electric cylinder is fixed to the lower mounting plate, and the output end of the driving electric cylinder is fixedly connected to the upper mounting plate.

[0015] Furthermore, the monitoring device also includes a battery and a controller, the battery is electrically connected to the controller, and the controller is electrically connected to the lifting mechanism, the level adjustment mechanism and the monitoring body.

[0016] Furthermore, the battery and the controller are installed in the supporting shell.

[0017] Furthermore, the monitoring body is a rangefinder, and a connecting flange is connected to the bottom of the main body, and the connecting flange is fixedly connected to the upper mounting plate by bolts.

[0018] Furthermore, the fixed base also includes a bottom mounting plate, the bottom mounting plate is protruded outward along the outer circumference of the supporting shell, and a plurality of fixing holes are arranged on the bottom mounting plate.

[0019] In summary, the utility model has the following beneficial effects:

[0020] 1. The monitoring device used for intelligently monitoring the deformation of subway tunnels of the utility model monitors the displacement and deformation in the subway tunnel through the monitoring body; wherein the monitoring body is installed on the upper mounting plate of the attitude adjustment seat, and the upper mounting plate can be driven to move horizontally above the lower mounting plate through the horizontal adjustment mechanism, so as to adjust the position of the monitoring body horizontally; the attitude adjustment seat can be driven to move vertically through the lifting mechanism, so as to adjust the vertical position of the monitoring body, and at the same time, the monitoring head of the monitoring body can rotate relative to the main body to adjust the pitch angle; thereby, the position and attitude of the monitoring body can be conveniently adjusted during installation and use;

[0021] 2. The lifting mechanism rotates through the output of the motor, which is output to the screw after the speed is adjusted by the adjusting wheel box, driving the screw to rotate, thereby driving the nut slider to move on the screw, and driving the lower mounting plate to move vertically; this movement method makes the adjustment accuracy of the monitoring body higher when it is lifted vertically, and it is easy to control the number of motor rotations to control the lifting height of the monitoring body;

[0022] 3. The motor and the regulating wheel box are arranged in the supporting shell, which not only supports the screw rod but also protects the motor and the regulating wheel box;

[0023] 4. By setting the guide column and the guide hole, the lifting mechanism drives the posture adjustment seat to move vertically more stably. At the same time, the posture adjustment seat has two more support points in addition to the nut slider, so that the posture adjustment seat supports the monitoring body with more balanced force and is not easy to tilt due to uneven force;

[0024] 5. A protective shell is set outside the screw to prevent foreign matter from entering between the screw and the nut slider and affecting the normal operation of the lifting mechanism;

[0025] 6. The horizontal adjustment mechanism drives the upper mounting plate to slide horizontally above the lower mounting plate by driving the electric cylinder. The upper mounting plate cooperates with the horizontal guide rail on the lower mounting plate through the horizontal slider, making the upper mounting plate more stable when sliding;

[0026] 7. The monitoring device uses batteries to power the monitoring subject, horizontal adjustment mechanism and lifting mechanism. The controller can operate the horizontal adjustment mechanism and lifting mechanism to adjust the position of the monitoring subject, and control the rotation of the monitoring head to adjust the pitch angle, reducing manual operation and facilitating remote adjustment and calibration of the monitoring subject. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 The three-dimensional structure diagram of the monitoring device of one embodiment of the utility model is shown in FIG. Figure 1 .

[0028] Figure 2 It is a three-dimensional structural schematic diagram of a lifting mechanism of an embodiment of the utility model.

[0029] Figure 3 The three-dimensional structure diagram of the monitoring device of one embodiment of the utility model is shown in FIG. Figure 2 .

[0030] Figure 4 This is a structural schematic diagram of an embodiment of the utility model in which the fixed base hides the supporting shell.

[0031] In the figure:

[0032] 1000, monitoring device; 100, monitoring body; 110, monitoring head; 120, main body; 130, connecting flange; 200, fixed base; 210, supporting shell; 220, lifting mechanism; 221, motor; 222, adjusting wheel box; 223, screw rod; 224, nut slider; 225, protective shell; 226, avoidance groove; 227, guide column; 228, connecting plate; 230, bottom mounting plate; 231, fixing hole; 300, posture adjustment seat; 310, lower mounting plate; 311, guide hole; 320, horizontal adjustment mechanism; 321, horizontal guide rail; 322, horizontal slider; 323, driving electric cylinder; 330, upper mounting plate; 400, battery; 500, controller. DETAILED DESCRIPTION

[0033] The utility model is further described below in conjunction with the accompanying drawings.

[0034] This embodiment discloses a monitoring device 1000 for intelligently monitoring deformation of a subway tunnel. Figure 1 The monitoring device 1000 includes a monitoring body 100, a fixed base 200 and a posture adjustment base 300. The fixed base 200 is used to be fixedly connected in a subway tunnel to support the monitoring device 1000. The posture adjustment base 300 is arranged on the fixed base 200 and can move vertically relative to the fixed base 200. The monitoring body 100 is arranged on the posture adjustment base 300 and can move horizontally on the posture adjustment base 300.

[0035] Reference Figure 1 and Figure 2 The fixed base 200 includes a supporting shell 210 and a lifting mechanism 220. The supporting shell 210 is fixed in the subway tunnel and is used to support the posture adjustment seat 300 and the monitoring body 100. The lifting mechanism 220 is connected to the supporting shell 210, and the posture adjustment seat 300 is connected to the lifting mechanism 220. The lifting mechanism 220 is used to drive the posture adjustment seat 300 to rise and fall vertically.

[0036] The supporting shell 210 is a rectangular metal shell, and a bottom mounting plate 230 is integrally provided at the bottom of the supporting shell 210. The bottom mounting plate 230 is protruded outward along the bottom of the supporting shell 210 to increase the bottom area of ​​the fixed base 200 and facilitate the installation of the fixed base 200. A plurality of fixing holes 231 are provided on the bottom mounting plate 230, and the bottom mounting plate 230 can be fixed to the ground of the subway tunnel or other supporting platforms by passing connecting members such as bolts through the fixing holes 231.

[0037] Reference Figures 2 to 4The lifting mechanism 220 includes a motor 221, an adjusting wheel box 222, a screw 223 and a nut slider 224. The motor 221 is connected to the adjusting wheel box 222 in a transmission manner, the output shaft of the adjusting wheel box 222 is connected to the screw 223, the nut slider 224 is threadedly engaged with the screw 223, and the nut slider 224 is fixedly connected to the posture adjustment seat 300. When the motor 221 rotates, the screw 223 is driven to rotate, thereby driving the nut slider 224 to move on the screw 223, and driving the posture adjustment seat 300 to move vertically. This movement method makes the adjustment accuracy of the monitoring body higher when it is lifted and lowered vertically, and it is convenient to control the number of rotations of the motor 221 to control the lifting height of the monitoring body.

[0038] In this embodiment, the motor 221 is a servo motor so that the number of revolutions of the motor 221 can be controlled by pulses. The motor 221 is arranged horizontally, and the regulating wheel box 222 converts the rotation of the motor 221 into the rotation of the lead screw in the vertical direction through the bevel gear.

[0039] In this embodiment, the motor 221 and the regulating wheel box 222 are installed in the supporting shell 210, and the screw rod 223 passes through the top of the supporting shell 210. The supporting shell 210 protects the motor 221 and the regulating wheel box 222 while supporting the screw rod 223.

[0040] The lifting mechanism 220 further includes a protective shell 225, which is in the shape of a long strip and is sleeved outside the screw rod 223. Long strip avoidance grooves 226 are provided on both sides of the protective shell 225 for exposing the nut slider 224. The protective shell 225 prevents foreign matter from entering between the screw rod and the nut slider 224 and affecting the normal operation of the lifting mechanism 220. At the same time, the long strip avoidance grooves 226 limit the nut slider 224, so that the nut slider 224 is not easily offset when sliding.

[0041] Reference Figures 1 to 4 The lifting mechanism 220 further includes a guide column 227, which is slidably connected to the posture adjustment seat 300 to play a guiding role when the posture adjustment seat 300 slides vertically.

[0042] The posture adjustment seat 300 includes a lower mounting plate 310, a horizontal adjustment mechanism 320 and an upper mounting plate 330. The lower mounting plate 310 is fixedly connected to the nut slider 224 of the lifting mechanism 220. The horizontal adjustment mechanism 320 is arranged on the lower mounting plate 310. The upper mounting plate 330 is connected to the horizontal adjustment mechanism 320 and can move horizontally under the drive of the horizontal adjustment mechanism 320. Thus, the upper mounting plate 330 can be driven to move horizontally on the lower mounting plate 310 through the horizontal adjustment mechanism 320, and the monitoring body 100 is fixedly connected to the upper mounting plate 330, so that the horizontal position of the monitoring body 100 can be adjusted.

[0043] Specifically, the horizontal adjustment mechanism 320 includes a horizontal guide rail 321, a horizontal slider 322 and a driving electric cylinder 323. Two horizontal guide rails 321 are provided, and the two horizontal guide rails 321 are fixedly arranged horizontally and parallelly on the upper side of the lower mounting plate 310, and the two horizontal guide rails 321 are located on the same side of the screw rod 223.

[0044] The horizontal slider 322 is slidably matched with the horizontal guide rail 321, and the upper side of the horizontal slider 322 is fixedly connected to the upper mounting plate 330. The cylinder body of the driving electric cylinder 323 is fixed to the lower mounting plate 310, the driving electric cylinder 323 is arranged parallel to the horizontal guide rail 321, and the output end of the driving electric cylinder 323 is fixedly connected to the upper mounting plate 330. Thus, the horizontal adjustment mechanism 320 drives the upper mounting plate 330 to slide horizontally above the lower mounting plate 310 through the driving electric cylinder 323, and the upper mounting plate 330 cooperates with the horizontal guide rail 321 on the lower mounting plate 310 through the horizontal slider 322, so that the upper mounting plate 330 is more stable when sliding.

[0045] Two guide posts 227 are provided. The lower ends of the guide posts 227 are fixed to the supporting shell 210 , and the upper ends of the guide posts 227 are fixed to a connecting plate 228 , and the connecting plate 228 is fixed to the protective shell 225 .

[0046] The lower mounting plate 310 is provided with a guide hole 311, and the guide column 227 is slidably inserted and matched with the guide hole 311. By providing the guide column 227 and the guide hole 311, the lifting mechanism 220 drives the posture adjustment seat 300 to move vertically more stably, and at the same time, the posture adjustment seat 300 has two more supporting points in addition to the nut slider 224, so that the posture adjustment seat 300 is more evenly stressed when supporting the monitoring body 100, and is not easy to tilt due to uneven stress.

[0047] In this embodiment, the monitoring body 100 includes a monitoring head 110 and a main body 120, wherein the main body 120 is fixed to the upper mounting plate 330, and the monitoring head 110 is arranged on the main body 120 so as to be able to pitch and rotate. By rotating the monitoring head 110, the pitch angle of the monitoring head 110 can be adjusted, and the posture of the monitoring body 100 can be adjusted.

[0048] The main body 120 is provided with a data acquisition unit and a rotation drive unit. The data acquisition unit collects the arrival data monitored by the monitoring head 110, and the rotation drive unit can drive the monitoring head 110 to automatically rotate and adjust the pitch angle.

[0049] In this embodiment, the monitoring body 100 is a rangefinder, and a key panel and a display screen are provided on the main body 120. A connecting flange 130 is connected to the bottom of the main body 120, and the connecting flange 130 is fixedly connected to the upper mounting plate 330 by bolts, so that the connection between the main body 120 and the upper mounting plate 330 is stable and reliable.

[0050] In this embodiment, the monitoring device 1000 further includes a battery 400 and a controller 500, wherein the battery 400 is electrically connected to the controller 500, and the controller 500 is electrically connected to the lifting mechanism 220, the horizontal adjustment mechanism 320, and the monitoring body 100. The monitoring device 1000 supplies power to the monitoring body 100, the horizontal adjustment mechanism 320, and the lifting mechanism 220 through the battery 400, and the horizontal adjustment mechanism 320 and the lifting mechanism 220 can be operated by the controller 500 to adjust the position of the monitoring body 100, and the monitoring head 110 can be controlled to rotate and adjust the pitch angle, thereby reducing manual operations and facilitating remote adjustment and calibration of the monitoring body 100.

[0051] The battery 400 and the controller 500 are installed in the supporting shell 210. The supporting shell 210 protects the battery 400 and the controller 500, which is beneficial to improve their service life.

[0052] The monitoring device 1000 of this embodiment is adjusted in the following manner during installation and use:

[0053] The monitoring body 100 is mounted on the upper mounting plate 330 of the posture adjustment seat 300. The upper mounting plate 330 can be driven to move horizontally above the lower mounting plate 310 through the horizontal adjustment mechanism 320 to horizontally adjust the position of the monitoring body 100. The posture adjustment seat 300 can be driven to move vertically through the lifting mechanism 220, thereby adjusting the vertical position of the monitoring body 100. At the same time, the monitoring head 110 of the monitoring body 100 can rotate relative to the main body 120 to adjust the pitch angle, so that the position and posture of the monitoring body 100 can be conveniently adjusted during installation and use.

[0054] The above are only preferred implementations of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles of the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A monitoring device for intelligently monitoring deformation of subway tunnels, characterized in that: The monitoring device (1000) comprises a monitoring body (100), a fixed base (200) and a posture adjustment base (300), wherein the fixed base (200) is used for fixedly connecting to a subway tunnel, and the fixed base (200) comprises a lifting mechanism (220) for driving the posture adjustment base (300) to vertically lift and lower; The posture adjustment seat (300) comprises a lower mounting plate (310), a horizontal adjustment mechanism (320) and an upper mounting plate (330), wherein the lower mounting plate (310) is fixedly connected to the lifting mechanism (220), the horizontal adjustment mechanism (320) is arranged on the lower mounting plate (310), and the upper mounting plate (330) is connected to the horizontal adjustment mechanism (320) and can move horizontally under the drive of the horizontal adjustment mechanism (320); The monitoring main body (100) comprises a monitoring head (110) and a main body (120); the main body (120) is fixed to the upper mounting plate (330); and the monitoring head (110) is arranged on the main body (120) in a manner capable of pitching and rotating.

2. The monitoring device for intelligently monitoring deformation of a subway tunnel according to claim 1, characterized in that: The lifting mechanism (220) comprises a motor (221), an adjusting wheel box (222), a screw rod (223) and a nut slider (224); the motor (221) is drivingly connected to the adjusting wheel box (222); the output shaft of the adjusting wheel box (222) is connected to the screw rod (223); the nut slider (224) is threadedly engaged with the screw rod (223); and the nut slider (224) is fixedly connected to the lower mounting plate (310).

3. The monitoring device for intelligently monitoring deformation of a subway tunnel according to claim 2, characterized in that: The fixed base (200) further comprises a supporting shell (210), the motor (221) and the adjusting wheel box (222) are installed in the supporting shell (210), and the screw rod (223) passes through the top of the supporting shell (210).

4. The monitoring device for intelligently monitoring deformation of a subway tunnel according to claim 3, characterized in that: The lifting mechanism (220) further comprises a guide column (227), wherein the guide column (227) is fixed to the supporting shell (210), and a guide hole (311) is provided on the lower mounting plate (310), and the guide column (227) can be slidably matched with the guide hole (311).

5. The monitoring device for intelligently monitoring deformation of a subway tunnel according to claim 4, characterized in that: The lifting mechanism (220) further comprises a protective shell (225), wherein the protective shell (225) is sleeved outside the screw rod (223), and avoidance grooves (226) for exposing the nut slider (224) are arranged on both sides of the protective shell (225).

6. The monitoring device for intelligently monitoring deformation of a subway tunnel according to claim 1, characterized in that: The horizontal adjustment mechanism (320) comprises a horizontal guide rail (321), a horizontal slider (322) and a driving electric cylinder (323); the horizontal guide rail (321) is arranged on the upper side of the lower mounting plate (310); the horizontal slider (322) is slidably matched with the horizontal guide rail (321); the horizontal slider (322) is fixedly connected to the upper mounting plate (330); the cylinder body of the driving electric cylinder (323) is fixedly connected to the lower mounting plate (310); and the output end of the driving electric cylinder (323) is fixedly connected to the upper mounting plate (330).

7. The monitoring device for intelligently monitoring deformation of a subway tunnel according to claim 3, characterized in that: The monitoring device (1000) further comprises a battery (400) and a controller (500), wherein the battery (400) is electrically connected to the controller (500), and the controller (500) is electrically connected to the lifting mechanism (220), the level adjustment mechanism (320) and the monitoring body (100).

8. The monitoring device for intelligently monitoring deformation of a subway tunnel according to claim 7, characterized in that: The battery (400) and the controller (500) are installed in the supporting casing (210).

9. The monitoring device for intelligently monitoring deformation of a subway tunnel according to claim 1, characterized in that: The monitoring body (100) is a distance meter, and the bottom of the main body (120) is connected to a connecting flange (130), and the connecting flange (130) is fixedly connected to the upper mounting plate (330) by bolts.

10. The monitoring device for intelligently monitoring deformation of a subway tunnel according to claim 3, characterized in that: The fixed base (200) further comprises a bottom mounting plate (230), the bottom mounting plate (230) being protruded outwardly along the outer circumference of the supporting shell (210), and a plurality of fixing holes (231) being arranged on the bottom mounting plate (230).

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