Interval tunnel cut-through measurement method

Abstract

An interval tunnel through measurement method relates to the technical field of tunnel measurement, and comprises the following steps: A, moving a measurement device to a measurement part; b, the height of the measuring device is adjusted, so that the measuring instrument is located at the needed height; c, the parallelism measuring equipment is adjusted through a positioning instrument on the measuring device, height detection is carried out through a height measuring instrument after adjustment is completed, the measuring device comprises a moving trolley, a power source, a PLC and a lifting mechanism are installed on the top of the moving trolley, a wireless transceiver is assembled on the PLC, and the lifting mechanism is connected with the power source. According to the interval tunnel cut-through measurement method, measurement is convenient, the trouble that a worker needs to repeatedly move measurement equipment for measurement is avoided, time and labor are saved, and therefore the measurement efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of tunnel measurement, and in particular to a method for measuring the penetration of an interval tunnel. Background Art

[0002] Tunnel penetration measurement refers to the measurement work carried out to ensure that tunnels and shaft excavations are accurately penetrated according to design requirements. When opening a subway tunnel, penetration measurement is required at both ends of the tunnel before or after penetration. Most of the measurements are made to measure the height difference between the two ends of the tunnel to facilitate adjustments to subsequent construction. During the measurement process, workers need to repeatedly move the measuring tool to perform measurements, which is cumbersome, time-consuming and labor-intensive. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide a method for measuring the penetration of an interval tunnel. The method is convenient for measurement, avoids the trouble of workers repeatedly moving the measuring equipment for measurement, saves time and effort, thereby improving the efficiency of measurement and effectively solving the problems in the background technology.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: A method for measuring the penetration of an interval tunnel comprises the following steps: A: Move the measuring device to the measuring site; B: Adjust the height of the measuring device so that the measuring instrument is at the required height; C: Use the positioning instrument on the measuring device to adjust the parallelism measuring equipment. After the adjustment is completed, the height is detected by the height measuring instrument.

[0005] Furthermore, the measuring device includes a mobile cart, and a power supply, a PLC controller and a lifting mechanism are respectively installed on the top of the mobile cart, and a wireless transceiver is installed on the PLC controller. A lifting seat is provided on the lifting part of the lifting mechanism, and a spirit level is installed on the lifting seat through a rotating shaft. A driving mechanism for driving the rotating shaft to rotate is installed on the side of the lifting seat. A first laser measuring instrument is installed on the top of the spirit level, and a positioning mechanism is installed at one end of the spirit level. The PLC controller is electrically connected to the power supply, the wireless transceiver and the first laser measuring instrument respectively.

[0006] Furthermore, the mobile vehicle is an AGV vehicle.

[0007] Furthermore, the lifting mechanism includes a guide groove and a slider, the guide groove is provided on the frame of the mobile trolley, and the slider is slidably connected to the guide groove.

[0008] Furthermore, the lifting mechanism also includes a first servo motor and a bidirectional screw rod, the bidirectional screw rod is rotatably installed on the inner side of the guide groove, the first servo motor is installed on the side of the mobile trolley frame, the output shaft of the first servo motor is fixedly connected to the end of the bidirectional screw rod, and the bidirectional screw rod is threadedly connected to the slider, and the first servo motor is electrically connected to the PLC controller.

[0009] Furthermore, the lifting mechanism further includes a first hinge, a connecting rod and a second hinge, one end of the connecting rod is hinged to the lifting seat through the first hinge, and the other end of the connecting rod is hinged to the top of the slider through the second hinge.

[0010] Furthermore, the lifting mechanism also includes a measuring rod, which is fixed on the top of the frame of the mobile trolley, and the lifting seat is connected to the measuring rod in an up and down sliding manner.

[0011] Furthermore, the driving mechanism includes a rack and a gear, the gear is fixed on the rotating shaft, and the rack is meshed with the gear teeth.

[0012] Furthermore, the driving mechanism also includes a guide rod, a transmission seat, a gear, a screw rod and a second servo motor, the end of the guide rod is fixedly connected to the connecting frame, the transmission seat is fixed to the bottom of the rack and is slidingly connected to the guide rod, the transmission seat is threadedly connected to the screw rod, the screw rod is rotatably installed on the connecting frame, the second servo motor is installed on the side of the connecting frame, the output shaft of the second servo motor is fixedly connected to the end of the screw rod, and the second servo motor is electrically connected to the PLC controller.

[0013] Furthermore, the positioning mechanism includes a roller, a wheel seat, an electric push rod and a second laser measuring instrument. The second laser measuring instrument is installed at the end of the level and is set corresponding to the position of the wheel seat. The electric push rod is installed at the end of the level. The wheel seat is fixed to the telescopic end of the electric push rod, and the roller is assembled on the wheel seat. The electric push rod is electrically connected to the PLC controller.

[0014] Compared with the prior art, the present invention has the following advantages: 1. The level is placed at the required measuring height through the lifting mechanism. It is easy to lift and lower, and the scale on the measuring rod is convenient for recording information. It can adjust multiple height positions to form multiple sets of measurement information.

[0015] 2. The level is placed against the side wall of the tunnel through the positioning mechanism, and then its driving mechanism drives the level to rotate through the rotating shaft until the level is in a horizontal state. The position of the first laser measuring instrument is adjusted through the telescopic movement of the electric push rod and the movement of the mobile trolley, so that the first laser measuring instrument can measure the highest point of the tunnel. The measurement is convenient, avoiding the trouble of workers repeatedly moving the measuring equipment for measurement, saving time and effort, and thus improving the efficiency of measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the three-dimensional side structure of the present invention; Figure 3 It is a schematic diagram of the three-dimensional cross-sectional structure of the present invention; Figure 4 It is a schematic diagram of the local structure of the driving mechanism of the present invention.

[0017] In the figure: 1-mobile trolley, 2-power supply, 3-lifting mechanism, 31-guide groove, 32-slider, 33-first servo motor, 34-bidirectional screw, 35-first hinge, 36-connecting rod, 37-second hinge, 38 measuring rod, 4-positioning mechanism, 41-roller, 42-wheel seat, 43-electric push rod, 44-second laser measuring instrument, 5-driving mechanism, 51-guide rod, 52-rack, 53-transmission seat, 54-gear, 55-screw, 56 second servo motor, 6-rotating axis, 7-level, 8-lifting seat, 9-connecting frame, 10-first laser measuring instrument, 11-PLC controller, 12-wireless transceiver. DETAILED DESCRIPTION

[0018] The present invention is explained in detail by the following examples, the purpose of which is to protect all technical improvements within the scope of the present invention.

[0019] See also Figure 1-4 This embodiment provides a technical solution: a method for measuring the penetration of an interval tunnel, comprising the following steps: A: Move the measuring device to the measuring site; B: Adjust the height of the measuring device so that the measuring instrument is at the required height; C: Use the positioning instrument on the measuring device to adjust the parallelism measuring equipment. After the adjustment is completed, the height is detected by the height measuring instrument.

[0020] The measuring device includes a mobile cart 1, on the top of which are respectively installed a power supply 2, a PLC controller 11 and a lifting mechanism 3. The PLC controller 11 is equipped with a wireless transceiver 12. A lifting seat 8 is provided on the lifting part of the lifting mechanism 3. The lifting seat 8 is rotated by a rotating shaft 6 and is equipped with a spirit level 7. A driving mechanism 5 for driving the rotating shaft 6 is installed on the side of the lifting seat 8. A first laser measuring instrument 10 is installed on the top of the spirit level 7, and a positioning mechanism 4 is installed at one end of the spirit level 7. The PLC controller 11 is electrically connected to the power supply 2, the wireless transceiver 12 and the first laser measuring instrument 10 respectively.

[0021] The mobile car 1 is an AGV car, which is easy to move and use.

[0022] The lifting mechanism 3 includes a guide groove 31 and a slider 32. The guide groove 31 is provided on the frame of the mobile trolley 1. The slider 32 is slidably connected to the guide groove 31. The lifting mechanism 3 also includes a first servo motor 33 and a bidirectional screw rod 34. The bidirectional screw rod 34 is rotatably mounted on the inner side of the guide groove 31. The first servo motor 33 is mounted on the side of the frame of the mobile trolley 1. The output shaft of the first servo motor 33 is fixedly connected to the end of the bidirectional screw rod 34, and the bidirectional screw rod 34 is threadedly connected to the slider 32. The first servo motor 33 is electrically connected to the PLC controller 11. The lifting mechanism 3 also includes a first hinge 35, a connecting rod 36 and a second hinge 37. One end of the connecting rod 36 is hinged to the lifting seat 8 through the first hinge 35, and the other end of the connecting rod 36 is hinged to the slider through the second hinge 37. The top of 32 is hinged, and the lifting mechanism 3 also includes a measuring rod 38, which is fixed on the top of the frame of the mobile trolley 1. The lifting seat 8 is connected to the measuring rod 38 for sliding up and down to move the mobile trolley 1 to the measuring position. Then, the output shaft of the first servo motor 33 drives the bidirectional screw rod 34 to rotate, and the bidirectional screw rod 34 and the slider 32 are threaded, and the slider 32 slides along the guide groove 31. The slider 32 pushes the lifting seat 8 to move up and down along the measuring rod 38 through the connecting rod 36. The lifting height of the lifting seat 8 is determined by the scale on the measuring rod 38, so that the level 7 is at the required measuring height. It is convenient to lift and lower, and the scale on the measuring rod 38 is used to facilitate recording of information. It can adjust multiple height positions to form multiple sets of measurement information.

[0023] The driving mechanism 5 includes a rack 52 and a gear 54. The gear 54 is fixed on the rotating shaft 6. The rack 52 and the gear 54 are meshed with each other. The driving mechanism 5 also includes a guide rod 51, a transmission seat 53, a gear 54, a screw rod 55 and a second servo motor 56. The end of the guide rod 51 is fixedly connected to the connecting frame 9. The transmission seat 53 is fixed to the bottom of the rack 52 and is slidably connected to the guide rod 51. The transmission seat 53 is threadedly connected to the screw rod 55. The screw rod 55 is rotatably mounted on the connecting frame 9. The second servo motor 56 is mounted on the side of the connecting frame 9. The output shaft of the motor 56 is fixedly connected to the end of the screw rod 55. The second servo motor 56 is electrically connected to the PLC controller 11. The positioning mechanism 4 includes a roller 41, a wheel seat 42, an electric push rod 43 and a second laser measuring instrument 44. The second laser measuring instrument 44 is installed at the end of the level 7 and is set corresponding to the position of the wheel seat 42. The electric push rod 43 is installed at the end of the level 7. The wheel seat 42 is fixed to the telescopic end of the electric push rod 43, and the roller 41 is assembled on the wheel seat 42. The electric push rod 43 is electrically connected to the PLC controller 11. The telescopic end of the electric push rod 43 drives the wheel seat 42 to perform telescopic movement, so that the roller 41 rests on the side wall of the tunnel. Then, the output shaft of the second servo motor 56 drives the screw rod 55 to rotate. The screw rod 55 and the transmission seat 53 are threaded. The transmission seat 53 drives the rack 52 to slide along the guide rod 51. The rack 52 and the gear 54 are meshed. The gear 54 drives the level 7 to rotate through the rotating shaft 6 until the level 7 is in a horizontal state. Then, the second laser measuring instrument 44 measures the distance between the wheel seat 42 and the end of the level 7. , so that the first laser measuring instrument 10 is directed to the middle of the tunnel. The position of the first laser measuring instrument 10 is adjusted by the telescopic movement of the electric push rod 43 and the movement of the mobile trolley 1, so that the first laser measuring instrument 10 can measure the highest point of the tunnel. The measured information is transmitted to the PLC controller 11, and the PLC controller 11 transmits the information to the monitoring end through the wireless transceiver 12. The measurement is convenient, avoiding the trouble of workers repeatedly moving the measuring equipment for measurement, saving time and effort, and thus improving the efficiency of measurement.

[0024] The working principle of the interval tunnel penetration measurement method provided by the present invention is as follows: the mobile trolley 1 is moved to the measuring position, and then the output shaft of the first servo motor 33 drives the bidirectional screw 34 to rotate, the bidirectional screw 34 and the slider 32 are threaded, the slider 32 slides along the guide groove 31, and the slider 32 pushes the lifting seat 8 to move up and down along the measuring rod 38 through the connecting rod 36. The lifting height of the lifting seat 8 is determined by the scale on the measuring rod 38, so that the level 7 is at the required measuring height, and then the telescopic end of the electric push rod 43 drives the wheel seat 42 to move telescopically, so that the roller 41 rests on the side wall of the tunnel, and then the output shaft of the second servo motor 56 drives the screw 55 to rotate, and the screw 55 The transmission seat 53 is threadedly driven, and the transmission seat 53 drives the rack 52 to slide along the guide rod 51. The rack 52 is meshed with the gear 54, and the gear 54 drives the level 7 to rotate through the rotating shaft 6 until the level 7 is in a horizontal state. Then, the second laser measuring instrument 44 measures the distance between the wheel seat 42 and the end of the level 7, so that the first laser measuring instrument 10 is facing the middle of the tunnel. The position of the first laser measuring instrument 10 is adjusted through the telescopic movement of the electric push rod 43 and the movement of the mobile trolley 1, so that the first laser measuring instrument 10 can measure the highest point of the tunnel. The measured information is transmitted to the PLC controller 11, and the PLC controller 11 transmits the information to the monitoring end through the wireless transceiver 12.

[0025] It is worth noting that the components disclosed in the above embodiments are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods. The PLC controller 11 model can be selected from the XG1 series.

[0026] In the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, the terms "connected" can refer to fixed connections, detachable connections, or integration; mechanical connections, electrical connections; direct connections, or indirect connections through an intermediate medium; internal communication between two elements, or interaction between two elements, unless otherwise expressly limited. A person skilled in the art will be able to understand the specific meanings of the above terms in the present invention based on the specific circumstances. For example, a rotational connection can refer to a rotational connection via a bearing.

[0027] The parts of the present invention that are not described in detail are prior art. Although the present invention is specifically demonstrated and introduced in conjunction with the preferred embodiments, there are many methods and approaches to implement the technical solution. The above is only a preferred embodiment of the present invention. However, those skilled in the art should understand that various changes can be made to the present invention in form and details without departing from the spirit and scope of the present invention as defined by the appended claims, and all of these are within the scope of protection of the present invention.

Claims

1. A method for measuring the penetration of an interval tunnel, characterized in that: The following steps are involved: A: Move the measuring device to the measuring site; B: Adjust the height of the measuring device so that the measuring instrument is at the required height; C: Use the positioning instrument on the measuring device to adjust the parallelism measuring equipment. After the adjustment is completed, use the height measuring instrument to perform height detection.

2. The method for measuring the penetration of an interval tunnel according to claim 1, characterized in that: The measuring device comprises a mobile trolley (1), the top of which is respectively mounted a power source (2), a PLC controller (11) and a lifting mechanism (3), the PLC controller (11) being equipped with a wireless transceiver (12), a lifting seat (8) being provided on the lifting portion of the lifting mechanism (3), a level meter (7) being rotatably mounted on the lifting seat (8) via a rotating shaft (6), a driving mechanism (5) for driving the rotating shaft (6) to rotate being mounted on the side of the lifting seat (8), a first laser measuring instrument (10) being mounted on the top of the level meter (7), a positioning mechanism (4) being mounted on one end of the level meter (7), and the PLC controller (11) being electrically connected to the power source (2), the wireless transceiver (12) and the first laser measuring instrument (10), respectively.

3. The method for measuring the penetration of an interval tunnel according to claim 2, characterized in that: The mobile vehicle (1) is an AGV vehicle.

4. The method for measuring the penetration of a tunnel according to claim 2, characterized in that: The lifting mechanism (3) comprises a guide groove (31) and a sliding block (32); the guide groove (31) is provided on the frame of the moving vehicle (1); and the sliding block (32) is slidably connected to the guide groove (31).

5. A method for measuring the penetration of an interval tunnel according to claim 2 or 4, characterized in that: The lifting mechanism (3) further comprises a first servo motor (33) and a bidirectional screw rod (34); the bidirectional screw rod (34) is rotatably mounted on the inner side of the guide groove (31); the first servo motor (33) is mounted on the side of the frame of the moving trolley (1); the output shaft of the first servo motor (33) is fixedly connected to the end of the bidirectional screw rod (34); the bidirectional screw rod (34) is threadedly connected to the slider (32); and the first servo motor (33) is electrically connected to the PLC controller (11).

6. A method for measuring the penetration of an interval tunnel according to claim 2 or 4, characterized in that: The lifting mechanism (3) further comprises a first hinge (35), a connecting rod (36) and a second hinge (37); one end of the connecting rod (36) is hinged to the lifting seat (8) via the first hinge (35), and the other end of the connecting rod (36) is hinged to the top of the slider (32) via the second hinge (37).

7. The method for measuring the penetration of an interval tunnel according to claim 2, characterized in that: The lifting mechanism (3) further comprises a measuring rod (38), wherein the measuring rod (38) is fixed to the top of the frame of the moving vehicle (1), and the lifting seat (8) is connected to the measuring rod (38) in an upward and downward sliding manner.

8. The method for measuring the penetration of an interval tunnel according to claim 2, characterized in that: The driving mechanism (5) comprises a rack (52) and a gear (54); the gear (54) is fixed on the rotating shaft (6); and the teeth of the rack (52) and the gear (54) are meshed.

9. A method for measuring the penetration of an interval tunnel according to claim 2 or 8, characterized in that: The driving mechanism (5) further comprises a guide rod (51), a transmission seat (53), a gear (54), a lead screw (55) and a second servo motor (56); the end of the guide rod (51) is fixedly connected to the connecting frame (9); the transmission seat (53) is fixed to the bottom of the rack (52) and is slidably connected to the guide rod (51); the transmission seat (53) is threadedly connected to the lead screw (55); the lead screw (55) is rotatably mounted on the connecting frame (9); the second servo motor (56) is mounted on a side of the connecting frame (9); the output shaft of the second servo motor (56) is fixedly connected to the end of the lead screw (55); and the second servo motor (56) is electrically connected to the PLC controller (11).

10. The method for measuring the penetration of an interval tunnel according to claim 2, characterized in that: The positioning mechanism (4) comprises a roller (41), a wheel seat (42), an electric push rod (43) and a second laser measuring instrument (44); the second laser measuring instrument (44) is mounted on the end of the level (7) and is arranged corresponding to the position of the wheel seat (42); the electric push rod (43) is mounted on the end of the level (7); the wheel seat (42) is fixed to the telescopic end of the electric push rod (43); and the roller (41) is mounted on the wheel seat (42); and the electric push rod (43) is electrically connected to a PLC controller (11).

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