Supporting device for tunnel engineering conductor network measurement

Abstract

A supporting device for tunnel engineering conductor network measurement relates to the technical field of engineering measurement and comprises a rack, a moving unit is mounted at the bottom of the rack, a PLC (programmable logic controller) and a power supply are mounted on the side surfaces of the moving unit respectively, a direction adjusting mechanism is mounted on a middle disc of the rack, and a connecting seat is fixed on an adjusting part of the direction adjusting mechanism. A balance degree adjusting mechanism is installed on the connecting base, a measuring device mounting frame is fixed to the adjusting part of the balance degree adjusting mechanism, the supporting device for tunnel engineering conductor network measurement is convenient to move, transfer work of the measuring device is facilitated, the supporting position of the supporting device is convenient to adjust, measurement work in multiple directions can be conveniently met, and the supporting device is convenient to use. The trouble of replacing the measuring position by dismounting is avoided, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering measurement, in particular to a supporting device for measuring a tunnel engineering conductor network. Background Art

[0002] In railway construction, the horizontal control network is laid out in two levels: the primary GPS control network and the secondary precision traverse network. Before construction, the client will provide a certain number of GPS points and precision traverse points to meet the construction company's needs. Based on the given horizontal control points, the construction company will intensify the number of ground precision traverse points, then project and orient the points into the tunnel. Finally, to ensure tunnel excavation, construction control traverse measurements are performed inside the tunnel.

[0003] Existing support devices for measuring conductor networks in tunnel projects are all installed by drilling holes on tunnel segments. After use, they need to be disassembled to meet measurement operations at other locations, which is time-consuming and labor-intensive. Utility Model Content

[0004] The technical problem to be solved by the present invention is to overcome the existing defects and provide a support device for measuring a tunnel engineering wire network. The device is easy to move and convenient for transferring the measuring device. The support position is easy to adjust and convenient for meeting measurement operations in multiple directions. The trouble of disassembly to change the measuring position is avoided, which saves time and effort and can effectively solve the problems in the background technology.

[0005] In order to achieve the purpose of the utility model, the utility model adopts the following technical solutions:

[0006] A support device for measuring a tunnel engineering wire network includes a frame, a mobile unit is installed at the bottom of the frame, a PLC controller and a power supply are installed on the sides of the mobile unit, an azimuth adjustment mechanism is installed on the central disk of the frame, a connecting seat is fixed to the adjustment part of the azimuth adjustment mechanism, a balance adjustment mechanism is installed on the connecting seat, a measuring device mounting frame is fixed to the adjustment part of the balance adjustment mechanism, and the power supply is electrically connected to the PLC controller.

[0007] Furthermore, the mobile unit includes a universal wheel and a foot brake, the universal wheel is installed at the bottom of the frame, and the foot brake is assembled on the universal wheel.

[0008] Furthermore, the azimuth adjustment mechanism includes a track wheel and a track frame. The track frame is an annular structure and is fixed to the side of the central disc of the frame. The surface of the track wheel is arranged in contact with the track on the track frame, and the track wheel is rotatably installed on the inner side of the connecting seat.

[0009] Furthermore, the track wheels are provided with two groups, and the two groups of track wheels are correspondingly arranged at the inner and outer sides of the track frame.

[0010] Furthermore, the azimuth adjustment mechanism also includes a servo motor, a gear and a ring gear. The ring gear is fixed on the middle disc of the frame. The gear is rotatably installed on the inner side of the connecting seat. The gear and the ring gear are meshed. The servo motor is installed on the side of the connecting seat. The output shaft of the servo motor is fixedly connected to the axle of the gear. The servo motor is electrically connected to the PLC controller.

[0011] Furthermore, the balance adjustment mechanism includes a first hinge, an electric push rod and a second hinge. There are two groups of electric push rods. One end of the electric push rod is hinged to the side of the measuring device mounting bracket through the first hinge, and the other end of the electric push rod is hinged to the side of the connecting seat through the second hinge. The electric push rod is electrically connected to the PLC controller.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the support device for measuring the conductor network of a tunnel engineering project has the following advantages:

[0013] 1. The measuring device is moved to the working area by the mobile unit, which is easy to move and facilitates the transfer of the measuring device.

[0014] 2. The support position of the measuring device mounting frame is adjusted through the position adjustment mechanism. The adjustment is convenient to meet the measurement operations in multiple positions, avoiding the trouble of disassembly to change the measurement position, saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of the enlarged structure at point A;

[0017] Figure 3 It is a schematic diagram of the three-dimensional bottom structure of the utility model.

[0018] In the figure: 1-frame, 2-PLC controller, 3-power supply, 4-mobile unit, 41-universal wheel, 42-foot brake, 5-balance adjustment mechanism, 51-first hinge, 52-electric push rod, 53-second hinge, 6-azimuth adjustment mechanism, 61-servo motor, 62-track wheel, 63-track frame, 64-gear, 65-gear ring, 7-connecting seat, 8-measuring device mounting frame. DETAILED DESCRIPTION

[0019] The present invention will be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention.

[0020] See also Figure 1-3This embodiment provides a technical solution: a support device for measuring a tunnel engineering wire network, comprising a frame 1, a mobile unit 4 is installed at the bottom of the frame 1, a PLC controller 2 and a power supply 3 are respectively installed on the sides of the mobile unit 4, an azimuth adjustment mechanism 6 is installed on the central disk of the frame 1, a connecting seat 7 is fixed on the adjustment part of the azimuth adjustment mechanism 6, a balance adjustment mechanism 5 is installed on the connecting seat 7, a measuring device mounting bracket 8 is fixed on the adjustment part of the balance adjustment mechanism 5, and the power supply 3 is electrically connected to the PLC controller 2.

[0021] The mobile unit 4 includes a universal wheel 41 and a foot brake 42. The universal wheel 41 is installed at the bottom of the frame 1, and the foot brake 42 is assembled on the universal wheel 41. The frame 1 is moved to the measuring position by the universal wheel 41, and then the universal wheel 41 is braked by the foot brake 42. It is easy to move and convenient for transferring the measuring device.

[0022] The azimuth adjustment mechanism 6 includes a track wheel 62 and a track frame 63. The track frame 63 is an annular structure and is fixed to the side of the central disc of the frame 1. The surface of the track wheel 62 is in contact with the track on the track frame 63. The track wheel 62 is rotatably mounted on the inner side of the connecting seat 7. The track wheel 62 is provided with two groups. The two groups of track wheels 62 are correspondingly arranged at the inner and outer sides of the track frame 63. The azimuth adjustment mechanism 6 also includes a servo motor 61, a gear 64 and a gear ring 65. The gear ring 65 is sleeved and fixed on the central disc of the frame 1. The gear 64 is rotatably mounted on the inner side of the connecting seat 7. The gear 64 and the gear ring The teeth of the ring 65 are meshing, and the servo motor 61 is installed on the side of the connecting seat 7. The output shaft of the servo motor 61 is fixedly connected to the axle of the gear 64. The servo motor 61 is electrically connected to the PLC controller 2. The output shaft of the servo motor 61 drives the gear 64 to rotate, and the gear 64 is meshed with the ring gear 65, thereby driving the track wheel 62 to move along the track frame 63. The support position of the measuring device mounting frame 8 is adjusted by moving the position of the connecting seat 7. It is easy to adjust, which is convenient for meeting measurement operations in multiple directions, avoiding the trouble of disassembly to change the measurement position, saving time and effort.

[0023] The balance adjustment mechanism 5 includes a first hinge 51, an electric push rod 52 and a second hinge 53. The electric push rod 52 is provided with two groups. One end of the electric push rod 52 is hinged to the side of the measuring device mounting frame 8 through the first hinge 51, and the other end of the electric push rod 52 is hinged to the side of the connecting seat 7 through the second hinge 53. The electric push rod 52 is electrically connected to the PLC controller 2. The telescopic end of the electric push rod 52 drives the measuring device mounting frame 8 to perform telescopic movement, thereby adjusting the support position of the measuring device mounting frame 8. The electric push rod 52 is provided with two groups. When the telescopic amounts of the two groups of electric push rods 52 are different, the measuring device mounting frame 8 deflects and moves, thereby adjusting the balance of the measuring device mounting frame 8. When adjusting, it cooperates with the spirit level on the measuring device. One end of the electric push rod 52 is angularly displaced with the measuring device mounting frame 8 through the first hinge 51, and the other end of the electric push rod 52 is angularly displaced with the connecting seat 7 through the second hinge 53. It is easy to adjust, avoiding the trouble of being unable to adjust when screws are used for fixed installation in the prior art.

[0024] The working principle of a support device for measuring a tunnel engineering wire network provided by the present invention is as follows: the frame 1 is moved to the measuring position by the universal wheel 41, and then the universal wheel 41 is braked by the foot brake 42, and the output shaft of the servo motor 61 drives the gear 64 to rotate, and the gear 64 engages with the ring gear 65, thereby driving the track wheel 62 to move along the track frame 63, and the support orientation of the measuring device mounting frame 8 is adjusted by moving the position of the connecting seat 7, and the telescopic end of the electric push rod 52 drives the measuring device mounting frame 8 to perform telescopic movement, thereby adjusting the support position of the measuring device mounting frame 8, and the electric push rod 52 is provided with two groups. When the telescopic amount of the two groups of electric push rods 52 is different, the measuring device mounting frame 8 deflects, thereby adjusting the balance of the measuring device mounting frame 8, and it cooperates with the level meter on the measuring device during adjustment. One end of the electric push rod 52 is angularly displaced with the measuring device mounting frame 8 through the first hinge 51, and the other end of the electric push rod 52 is angularly displaced with the connecting seat 7 through the second hinge 53.

[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 model of the PLC controller 2 is XCC.

[0026] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium; internal communication between two elements, or interaction between two elements, unless otherwise specified. Those skilled in the art can understand the specific meanings of the above terms in this utility model 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 implementation scheme, there are many methods and ways to implement the technical solution. The above is only a preferred implementation scheme of the present invention. However, technical personnel in the relevant field should understand that various changes can be made to the form and details of the present invention without departing from the spirit and scope of the present invention as defined by the attached claims, and all of them are within the scope of protection of the present invention.

Claims

1. A support device for measuring a conductor network in a tunnel engineering project, comprising a frame (1), characterized in that: A moving unit (4) is installed at the bottom of the frame (1), a PLC controller (2) and a power supply (3) are installed on the sides of the moving unit (4), an azimuth adjustment mechanism (6) is installed on the central disk of the frame (1), a connecting seat (7) is fixed on the adjustment part of the azimuth adjustment mechanism (6), a balance adjustment mechanism (5) is installed on the connecting seat (7), a measuring device mounting frame (8) is fixed on the adjustment part of the balance adjustment mechanism (5), and the power supply (3) is electrically connected to the PLC controller (2).

2. A tunnel engineering wire network measurement support device according to claim 1, characterized in that: The mobile unit (4) includes a universal wheel (41) and a foot brake (42), wherein the universal wheel (41) is mounted on the bottom of the frame (1), and the foot brake (42) is assembled on the universal wheel (41).

3. The support device for measuring a tunnel engineering conductor network according to claim 1, characterized in that: The azimuth adjustment mechanism (6) comprises a track wheel (62) and a track frame (63). The track frame (63) is an annular structure and is fixed to the side of the central disc of the frame (1). The surface of the track wheel (62) is arranged in contact with the track on the track frame (63). The track wheel (62) is rotatably mounted on the inner side of the connecting seat (7).

4. A tunnel engineering wire network measurement support device according to claim 3, characterized in that: The track wheels (62) are provided in two groups, and the two groups of track wheels (62) are correspondingly arranged at inner and outer sides of the track frame (63).

5. The support device for measuring a tunnel engineering conductor network according to claim 1, characterized in that: The azimuth adjustment mechanism (6) further comprises a servo motor (61), a gear (64) and a ring gear (65), wherein the ring gear (65) is sleeved and fixed on the central disc of the frame (1), the gear (64) is rotatably mounted on the inner side of the connecting seat (7), the gear (64) and the ring gear (65) are meshed with each other, the servo motor (61) is mounted on the side of the connecting seat (7), the output shaft of the servo motor (61) is fixedly connected to the wheel axle of the gear (64), and the servo motor (61) is electrically connected to the PLC controller (2).

6. The support device for measuring a tunnel engineering conductor network according to claim 1, characterized in that: The balance adjustment mechanism (5) includes a first hinge (51), an electric push rod (52) and a second hinge (53). The electric push rod (52) is provided with two groups. One end of the electric push rod (52) is hinged to the side of the measuring device mounting frame (8) through the first hinge (51), and the other end of the electric push rod (52) is hinged to the side of the connecting seat (7) through the second hinge (53). The electric push rod (52) is electrically connected to the PLC controller (2).

Images