Attitude measurement laser ranging pointing instrument for roadway tunneling

Abstract

The utility model discloses an attitude measurement laser ranging pointing instrument for roadway tunneling, a laser pointing module, a laser ranging module and an attitude measurement module are fixedly connected with a roof anchor rod in a roadway through a mounting bracket, the mounting bracket comprises a base, a first connecting rod, a second connecting rod and a holder, the base is fixedly connected with a top plate anchor rod, the center of the base is fixedly connected with a first connecting rod perpendicular to the bottom face direction, the first connecting rod is hinged to one end of a second connecting rod through a knob adjusting mechanism, and the other end of the second connecting rod is hinged to a holder top lug through a knob adjusting mechanism. The bottom of the holder is hinged to the attitude measurement module through a second rotating shaft. The device is convenient to install and adjust, has the functions of observing the roadway tunneling distance in real time and early warning azimuth deviation, and can timely correct the laser pointing direction, reduce the manual measurement workload of roadway tunneling, prevent deviation between the roadway tunneling direction and the design direction, and effectively prevent coal mine measurement accidents.

Description

Technical Field

[0001] The utility model belongs to the technical field of mine excavation measurement equipment, and in particular relates to a posture measurement laser distance measuring pointing instrument for mine tunnel excavation. Background Art

[0002] At present, most of the laser measuring instruments used in underground excavation work are independent of each other and have only directional pointing functions. The excavation distance needs to be measured manually, and the azimuth deviation is based on manual observation of whether the laser is aiming at the three center lines. After the azimuth deviation, it is only retrospective and does not have automatic distance and azimuth measurement functions. When an error occurs, surveyors from the Geological Survey Department need to go down to the mine for manual measurement and calibration. At the same time, it cannot reflect the on-site measurement situation in real time, which can easily lead to coal mine measurement accidents. Utility Model Content

[0003] The purpose of the utility model is to address the deficiencies of the prior art and propose a laser ranging pointing instrument for attitude measurement for shaft and tunnel excavation. While being easy to install and adjust, it has the function of real-time observation of tunnel excavation distance and azimuth deviation warning, can timely correct the laser pointing direction, reduce the workload of manual measurement of tunnel excavation, prevent the deviation of tunnel excavation direction from the design direction, and effectively prevent the occurrence of coal mine measurement accidents.

[0004] In order to achieve the above technical purpose, the utility model adopts the following technical scheme.

[0005] A laser ranging pointing instrument for attitude measurement for shaft and tunnel excavation comprises a laser pointing module, a laser ranging module and an attitude measurement module, characterized in that the laser pointing module, the laser ranging module and the attitude measurement module are connected and fixed to the roof anchor rod inside the shaft and tunnel through a mounting bracket, the mounting bracket comprises a base, a first connecting rod, a second connecting rod and a pan-tilt head, the base is fixedly connected to the roof anchor rod through a plurality of fastening bolts, the center of the base is fixedly connected to the first connecting rod in a direction perpendicular to the bottom surface, one end of the first connecting rod is fixed to the base, and the other end is hinged to one end of the second connecting rod through a knob adjustment mechanism, the other end of the second connecting rod is hinged to the top ear of the pan-tilt head through the knob adjustment mechanism, and the bottom of the pan-tilt head is hinged to the attitude measurement module through a second rotating shaft; the attitude measurement module comprises a laser ranging module and an attitude measurement module, and the laser pointing module is mounted on the first connecting rod.

[0006] Specifically, the attitude measurement module includes a host, a sub-machine and a communication unit. The top center of the host is hinged to the bottom center of the gimbal through a second rotating shaft. The host includes a fiber optic gyroscope, a host accelerometer, a host control chip, a host display screen, a host button and a host power supply. The fiber optic gyroscope, the host accelerometer, the host display screen and the host button are electrically connected to the host control chip respectively, and the host power supply supplies power to the fiber optic gyroscope, the host accelerometer, the host control chip and the host display screen through a DC / DC module; the sub-machine is installed on one side of the top of the host, and the sub-machine includes a micromechanical gyroscope, a sub-machine accelerometer, a sub-machine control chip, a sub-machine display screen, a sub-machine button and a sub-machine power supply. The micromechanical gyroscope, the sub-machine accelerometer, the sub-machine control chip, the sub-machine display screen and the sub-machine control chip are electrically connected, and the sub-machine power supply supplies power to the micromechanical gyroscope, the sub-machine accelerometer, the sub-machine control chip and the sub-machine display screen through a DC / DC module; the communication unit is electrically connected to the host control chip, the sub-machine control chip and the host power supply respectively.

[0007] Specifically, the laser ranging module is installed on one side of the host, and the laser ranging module includes a first laser emitting unit and a first laser sensing unit. The first laser emitting unit and the first laser sensing unit are electrically connected to the host control chip respectively, and the host power supply supplies power to the laser emitting unit and the laser sensing unit through a DC / DC module.

[0008] Specifically, the laser pointing module includes a second laser emitting unit, a second laser sensing unit, a lens unit and a focal length adjustment unit. The second laser emitting unit and the second laser sensing unit are electrically connected to a host control chip and a host power supply, respectively.

[0009] Furthermore, it also includes a remote control module, which includes a computer control terminal, a display unit and an audible and visual alarm unit. The computer control terminal is connected to the communication unit via a network communication, and the display unit and the audible and visual alarm unit are electrically connected to the computer control terminal.

[0010] Furthermore, the knob adjustment mechanism includes a first rotating shaft and an adjusting dial, and the first rotating shaft is threadedly connected to the adjusting dial.

[0011] Furthermore, an electric roller is installed on each of the four directions of the bottom surface of the gimbal, the wheel surface of the electric roller is rollingly connected to the top of the main unit housing, and the outer ring of the electric roller is covered with an anti-slip rubber ring.

[0012] Furthermore, the electric roller is electrically connected to a host power supply and a host control chip.

[0013] Furthermore, the installation direction of the laser pointing module is perpendicular to the shaft of the first connecting rod.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model is designed with a mounting bracket, so that the attitude measurement laser distance measuring pointing instrument has a large range of distance adjustment and fine adjustment functions in the horizontal and vertical directions. The design of the base is convenient for fixing with the top plate anchor rod and aligning with the wire point mark;

[0016] The utility model reasonably combines a laser pointing module, a laser ranging module, a posture measurement module, and a remote control module. The designed posture measurement laser ranging pointing instrument has the function of real-time observation of tunnel excavation distance and azimuth deviation warning, and can timely correct the laser pointing direction, reducing the manual measurement workload of tunnel excavation. The remote control module can prevent the tunnel excavation direction from deviating from the design direction, and timely alarm to remind management personnel when deviation occurs, which can effectively prevent the occurrence of coal mine measurement accidents.

[0017] The utility model utilizes the physical characteristics of the gyroscope itself and the influence of the earth's rotation inside the device to realize automatic search for the true north direction, thereby determining the local azimuth angle from the conductor point to the head-on direction. At the same time, the mutual calibration between the master / slave machine can effectively ensure that the measurement result meets the accuracy requirement. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural schematic diagram of a laser ranging pointing instrument for posture measurement used in shaft and tunnel excavation according to the utility model;

[0019] Figure 2 This is a modular schematic diagram of the host of the utility model;

[0020] Figure 3 It is a modular schematic diagram of the sub-machine of the utility model;

[0021] Figure 4 This is a modular schematic diagram of the laser distance measurement module of the utility model;

[0022] Figure 5 This is a modular schematic diagram of the laser pointing module of the utility model;

[0023] Figure 6 It is a top view of the bottom surface of the pan head of the utility model;

[0024] Figure 7 It is a modular schematic diagram of the communication module of the utility model.

[0025] In the figure: 1. host; 2. slave; 3. laser ranging module; 4. laser pointing module; 5. remote control module; 6. communication unit; 7. base; 8. first connecting rod; 9. second connecting rod; 10. pan / tilt; 11. fastening bolt; 12. knob adjustment mechanism; 13. first rotating shaft; 14. adjustment dial; 15. electric roller; 16. second rotating shaft; 101. fiber optic gyroscope; 102. host accelerometer; 103. host control chip; 104. host display; 105. host button; 106, host power supply; 201, micromechanical gyroscope; 202, slave accelerometer; 203, slave control chip; 204, slave display screen; 205, slave button; 206, slave power supply; 301, first laser emitting unit; 302, first laser sensing unit; 401, second laser emitting unit; 402, second laser sensing unit; 403, lens unit; 404, focal length adjustment unit; 501, computer control terminal; 502, display unit; 503, sound and light alarm unit. DETAILED DESCRIPTION

[0026] In order to facilitate ordinary technicians in this field to understand and implement the present invention, the various steps of the method proposed in the present invention are described in detail below, and the experimental process is given. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, and are not used to limit the present invention. Example

[0027] like Figure 1 As shown, this embodiment provides a laser ranging pointing instrument for attitude measurement for shaft and tunnel excavation, comprising a laser pointing module 4, a laser ranging module 3 and a posture measurement module, wherein the laser pointing module 4, the laser ranging module 3 and the posture measurement module are connected and fixed to the top plate anchor rod in the shaft and tunnel through a mounting bracket, wherein the mounting bracket comprises a base 7, a first connecting rod 8, a second connecting rod 9 and a pan-tilt head 10, wherein the base 7 is fixedly connected to the top plate anchor rod through a plurality of fastening bolts 11, wherein the center of the base 7 is fixedly connected to the first connecting rod 8 in a direction perpendicular to the bottom surface, wherein one end of the first connecting rod 8 is fixed to the base 7, and the other end is hinged to one end of the second connecting rod 9 through a knob adjustment mechanism 12, wherein the other end of the second connecting rod 9 is hinged to the top ear piece of the pan-tilt head 10 through the knob adjustment mechanism 12, and the bottom of the pan-tilt head 10 is hinged to the attitude measurement module through a second rotating shaft 16; wherein the attitude measurement module comprises a laser ranging module 3 and a posture measurement module, wherein the laser pointing module is installed in the middle section of the first connecting rod 8, and the installation direction is perpendicular to the shaft of the first connecting rod 8.

[0028] Specifically, Figure 2 and Figure 3As shown, the attitude measurement module includes a host 1, a sub-machine 2 and a communication unit 6. The top center of the host 1 is hinged to the bottom center of the pan-tilt head 10 through a second rotating shaft 16. The host 1 includes a fiber optic gyroscope 101, a host accelerometer 102, a host control chip 103, a host display 104, a host button 105 and a host power supply 106. The fiber optic gyroscope 101, the host accelerometer 102, the host display 104 and the host button 105 are electrically connected to the host control chip 103 respectively. The host power supply 106 charges the fiber optic gyroscope 101, the host accelerometer 102, the host control chip 103 and the host display 104 through a DC / DC module. Power supply; the slave 2 is installed on one side of the top of the host 1, and the slave 2 includes a micromechanical gyroscope 201, a slave accelerometer 202, a slave control chip 203, a slave display screen 204, a slave button 205 and a slave power supply 206. The micromechanical gyroscope 201, the slave accelerometer 202, the slave display screen 204 and the slave control chip 203 are electrically connected, and the slave power supply 206 supplies power to the micromechanical gyroscope 201, the slave accelerometer 202, the slave control chip 203 and the slave display screen 204 through a DC / DC module; the communication unit 6 is electrically connected to the host control chip 103, the slave control chip 203 and the host power supply 106 respectively.

[0029] In this implementation, the physical properties of the gyroscope itself and the influence of the earth's rotation are used to automatically find the true north direction, thereby determining the local azimuth from the wire point to the head-on direction. At the same time, the mutual calibration between the master / slave machine can effectively ensure that the measurement results meet the accuracy requirements.

[0030] Specifically, Figure 4 As shown, the laser ranging module 3 is installed on one side of the host 1, and the laser ranging module 3 includes a first laser emitting unit 301 and a first laser sensing unit 302, the first laser emitting unit 301 and the first laser sensing unit 302 are electrically connected to the host control chip 103 respectively, and the host power supply 106 supplies power to the laser emitting unit 301 and the laser sensing unit 302 through a DC / DC module.

[0031] Specifically, Figure 5 As shown, the laser pointing module 4 includes a second laser emitting unit 401, a second laser sensing unit 402, a lens unit 403 and a focal length adjustment unit 404, and the second laser emitting unit 401 and the second laser sensing unit 402 are electrically connected to the host control chip 103 and the host power supply 106 respectively.

[0032] Specifically, the knob adjustment mechanism 12 includes a first rotating shaft 13 and an adjustment dial 14 , and the first rotating shaft 13 is threadedly connected to the adjustment dial 14 .

[0033] Specifically, Figure 6 As shown, an electric roller 15 is installed on each of the four directions of the bottom surface of the pan-tilt head 10, and the wheel surface of the electric roller 15 is rollingly connected to the top of the main unit 1 housing. The outer ring of the electric roller 15 is covered with an anti-slip rubber ring to prevent the electric roller 15 from sliding relative to the top of the pan-tilt head 10 when rolling; the electric roller 15 is electrically connected to the main unit power supply 106 and the main unit control chip 103.

[0034] Working principle:

[0035] First, the base 7 is fixedly connected to the roof anchor in the shaft by fastening bolts 11, and then the attitude measurement laser ranging pointer is adjusted to a suitable position by the knob adjustment structure 12 at the connection between the first connecting rod 8 and the second connecting rod 9 and the connection between the second connecting rod 9 and the pan-tilt head 10, and then the adjustment dial 14 is tightened to complete the vertical fixation of the attitude measurement laser ranging pointer. After that, the management personnel can control the pan-tilt head 10 to rotate in the horizontal direction through the host button 105. After completing the horizontal adjustment of the attitude measurement laser ranging pointer, turn on the laser pointing module 3, the laser ranging module 4 and the attitude measurement module. The host display screen 104 displays the distance between the equipment and the head of the workshop and the equipment azimuth, and the sub-machine display screen 204 displays the equipment azimuth for calibration, so as to realize the monitoring of the excavation distance and azimuth. Example

[0036] In this embodiment, based on Example 1, Figure 7 As shown, the attitude measurement laser ranging pointing instrument is also provided with a remote control module 5, which includes a computer control terminal 501, a display unit 502 and an audible and visual alarm unit 503. The computer control terminal 501 is connected to the communication unit 6 for network communication, and the display unit 502 and the audible and visual alarm unit 503 are electrically connected to the computer control terminal 501.

[0037] Working principle:

[0038] In this embodiment, the installation and adjustment process of the attitude measurement laser ranging pointing instrument is the same. The difference is that after turning on the laser pointing module 3, the laser ranging module 4 and the attitude measurement module, in addition to displaying the distance between the device and the front of the workshop and the azimuth of the device, the host control chip and the slave control chip will also send the accumulated excavation distance, azimuth and azimuth pointing information to the computer control terminal 501 through the communication unit 6, and display it in real time through the display unit 502. While facilitating real-time monitoring by management personnel, when the excavation direction deviates from the design direction, the sound and light alarm unit 503 will promptly alarm to remind management personnel to make adjustments and corrections, thereby avoiding the occurrence of coal mine measurement accidents.

[0039] It should be understood that the above description of the preferred embodiment is relatively detailed and cannot be regarded as limiting the scope of patent protection of the utility model. Under the enlightenment of the utility model, ordinary technicians in this field can also make substitutions or modifications without departing from the scope of protection of the claims of the utility model, which all fall within the scope of protection of the utility model. The scope of protection requested for the utility model shall be based on the attached claims.

Claims

1. A laser ranging pointing instrument for attitude measurement for tunnel excavation, comprising a laser pointing module (4), a laser ranging module (3) and an attitude measurement module, characterized in that: The laser pointing module (4), the laser ranging module (3) and the attitude measurement module are connected and fixed to the roof anchor rods in the mine tunnel via a mounting bracket. The mounting bracket comprises a base (7), a first connecting rod (8), a second connecting rod (9) and a pan / tilt platform (10). The base (7) is fixedly connected to the roof anchor rods via a plurality of fastening bolts (11). The center of the base (7) is fixedly connected to the first connecting rod (8) in a direction perpendicular to the bottom surface. One end of the first connecting rod (8) is fixed to the base (7), and the other end is hinged to one end of the second connecting rod (9) via a knob adjustment mechanism (12). The other end of the second connecting rod (9) is hinged to the top ear piece of the pan / tilt platform (10) via the knob adjustment mechanism (12). The bottom of the pan / tilt platform (10) is hinged to the attitude measurement module via a second rotating shaft (16). The attitude measurement module comprises a laser ranging module (3) and an attitude measurement module. The laser pointing module is mounted on the first connecting rod (8).

2. The laser ranging pointing instrument for attitude measurement for tunnel excavation according to claim 1 is characterized in that: The attitude measurement module comprises a host (1), a sub-machine (2) and a communication unit (6); the top center of the host (1) is hinged to the bottom center of the pan / tilt platform (10) via a second rotating shaft (16); the host (1) comprises a fiber optic gyroscope (101), a host accelerometer (102), a host control chip (103), a host display screen (104), a host button (105) and a host power supply (106); the fiber optic gyroscope (101), the host accelerometer (102), the host display screen (104) and the host button (105) are respectively electrically connected to the host control chip (103); the host power supply (106) supplies power to the fiber optic gyroscope (101), the host accelerometer (102), the host control chip (103) and the host display screen (104) via a DC / DC module. Power supply; the submachine (2) is mounted on one side of the top of the main machine (1); the submachine (2) comprises a micromechanical gyroscope (201), a submachine accelerometer (202), a submachine control chip (203), a submachine display screen (204), a submachine key (205) and a submachine power supply (206); the micromechanical gyroscope (201), the submachine accelerometer (202), the submachine display screen (204) and the submachine control chip (203) are electrically connected; the submachine power supply (206) supplies power to the micromechanical gyroscope (201), the submachine accelerometer (202), the submachine control chip (203) and the submachine display screen (204) through a DC / DC module; the communication unit (6) is electrically connected to the main machine control chip (103), the submachine control chip (203) and the main machine power supply (106) respectively.

3. The laser ranging pointing instrument for attitude measurement for tunnel excavation according to claim 1 is characterized in that: The laser distance measuring module (3) is installed on one side of the host (1), and comprises a first laser emitting unit (301) and a first laser sensing unit (302), wherein the first laser emitting unit (301) and the first laser sensing unit (302) are respectively electrically connected to a host control chip (103), and a host power supply (106) supplies power to the laser emitting unit (301) and the laser sensing unit (302) via a DC / DC module.

4. The laser ranging pointing instrument for attitude measurement for tunnel excavation according to claim 1 is characterized in that: The laser pointing module (4) comprises a second laser emitting unit (401), a second laser sensing unit (402), a lens unit (403) and a focal length adjustment unit (404); the second laser emitting unit (401) and the second laser sensing unit (402) are electrically connected to a host control chip (103) and a host power supply (106), respectively.

5. The laser ranging pointing instrument for attitude measurement for tunnel excavation according to claim 1, characterized in that: The device further comprises a remote control module (5), the remote control module (5) comprising a computer control terminal (501), a display unit (502) and an audible and visual alarm unit (503), the computer control terminal (501) being connected to the communication unit (6) via a network communication, and the display unit (502) and the audible and visual alarm unit (503) being electrically connected to the computer control terminal (501).

6. The laser ranging pointing instrument for attitude measurement for tunnel excavation according to claim 1, characterized in that: The knob adjustment mechanism (12) comprises a first rotating shaft (13) and an adjustment dial (14); the first rotating shaft (13) is threadedly connected to the adjustment dial (14).

7. The laser ranging pointing instrument for attitude measurement for tunnel excavation according to claim 1 is characterized in that: An electric roller (15) is mounted on each of the four directions of the bottom surface of the pan / tilt head (10); the wheel surface of the electric roller (15) is rollingly connected to the top of the housing of the main unit (1); and the outer ring of the electric roller (15) is sleeved with an anti-slip rubber ring.

8. The laser ranging pointing instrument for attitude measurement for tunnel excavation according to claim 7, characterized in that: The electric roller (15) is electrically connected to a host power supply (106) and a host control chip (103).

9. The laser ranging pointing instrument for attitude measurement for tunnel excavation according to claim 1, characterized in that: The laser pointing module is installed at the middle section of the first connecting rod (8), and the installation direction is perpendicular to the rod body of the first connecting rod (8).

Images