Multi-mode double-path laser attitude measuring device

Abstract

The utility model discloses a multi-mode double-path laser attitude measuring device which comprises a shell, and a protection assembly used for carrying out anti-collision protection on the device is installed outside the shell. A front perspective screen is installed on one side of the shell, and a rear screen is installed on the other side of the interior of the shell. One side of the bottom of the inner cavity of the shell is provided with a rear acquisition assembly used for acquiring a laser point image on the rear screen after the laser passes through the front perspective screen; according to the utility model, double screens are used for collecting laser points of the laser designator, the relative deflection angle of the device relative to laser and the displacement in the horizontal and vertical directions are calculated through the image coordinates of the laser points of the front perspective screen and the rear screen, and the rolling angle and the pitch angle of the inclinometer are read through the operation control panel; all data are sent to an upper computer, and the upper computer calculates the actual position and posture of the heading machine by combining the parameters with engineering coordinates, design center lines and other parameters.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel engineering, in particular to a multi-mode dual-path laser posture measurement device. Background Art

[0002] During the tunnel excavation process, in order to ensure that the formed tunnel strictly follows the designed center line, it is usually necessary to measure the posture of the tunnel excavation equipment to ensure that the excavation equipment can construct along the designed center line and control deviations.

[0003] During the excavation process, there will be vibrations, dust, small curves, and difficulty in changing stations, which will cause conventional measurement equipment to fail to work properly, and therefore it is impossible to measure the attitude of the excavation equipment in real time. At this time, the excavation of the excavation equipment is in a blind excavation state and the deviation cannot be controlled, resulting in excessive deviations or even serious engineering quality accidents. Therefore, we need to propose a multi-mode dual-path laser attitude measurement device. Summary of the invention

[0004] The purpose of the utility model is to provide a multi-mode dual-path laser posture measurement device, which has the advantage of being able to accurately measure posture in real time, so as to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: a multi-mode dual-path laser attitude measurement device, comprising a housing, the exterior of which is provided with a protective component for protecting the device from collision;

[0006] A front perspective screen is installed on one side of the shell, and a rear screen is installed on the other side inside the shell;

[0007] A rear acquisition component for collecting the laser point image on the rear screen after the laser passes through the front perspective screen is installed on one side of the bottom of the inner cavity of the shell, and the rear acquisition component is located on a side away from the rear screen;

[0008] A front acquisition component for acquiring the laser point image of the front perspective screen is installed on the other side of the bottom of the inner cavity of the shell.

[0009] Preferably, the protection component includes a top plate, and the top plate is located above the outer shell, and a first sponge pad is bonded between the top plate and the outer shell.

[0010] Preferably, side panels are provided on both sides of the shell, and a second sponge board is bonded between the side panels and the shell.

[0011] Preferably, a panel is installed at one end of the shell and located on the side close to the rear collecting component, a through groove is opened inside the panel, the front perspective screen is embedded in the through groove, a back panel is installed at the end of the shell away from the panel, and the rear screen is installed on one side of the back panel and located inside the shell.

[0012] Preferably, a through hole is provided on the surface of the panel and below the through groove, a small prism is embedded in the through hole, an industrial camera is installed on one side of the interior of the shell, and one end of the industrial camera is fitted with one side of the through hole.

[0013] Preferably, the rear acquisition component includes a first fixing seat, which is installed at the bottom of the inner cavity of the shell and is located on the side away from the back plate, and a rear screen camera is installed on the top of the first fixing seat, and the shooting end of the rear screen camera is arranged corresponding to the rear screen.

[0014] Preferably, the rear acquisition component includes a second fixing seat, which is installed at the bottom of the inner cavity of the shell and is located on the side close to the back plate. A front screen camera is installed on the top of the second fixing seat, and the shooting end of the front screen camera is arranged corresponding to the front perspective screen.

[0015] Preferably, a calibration fill light is installed on the top of the inner cavity of the shell, and a calculation control board and an inclinometer are also installed inside the shell.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model collects the laser points of the laser pointer by using double screens, calculates the relative deflection angle of the device relative to the laser and the displacement in the horizontal and vertical directions through the image coordinates of the laser points of the front perspective screen and the rear screen, and simultaneously reads the roll angle and pitch angle of the inclinometer through the operation control board, and sends all the data to the host computer. The host computer uses these parameters in combination with the engineering coordinates, the design center line and other parameters to calculate the actual position and posture of the tunnel boring machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the side panel of the utility model;

[0020] Figure 3 It is a schematic diagram of the cross-sectional structure of the housing of the utility model;

[0021] Figure 4 It is a side cross-sectional view of the housing of the utility model.

[0022] In the figure: 1. outer shell; 2. front perspective screen; 3. rear screen; 4. top plate; 5. first sponge pad; 6. side plate; 7. second sponge plate; 8. front plate; 9. back plate; 10. small prism; 11. industrial camera; 12. first fixing seat; 13. rear screen camera; 14. second fixing seat; 15. front screen camera; 16. calibration fill light; 17. operation control board; 18. inclinometer. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 The utility model provides a technical solution: a multi-mode dual-path laser attitude measurement device, comprising a housing 1, a protective component for anti-collision protection of the device is installed on the outside of the housing 1; the protective component comprises a top plate 4, the top plate 4 is located above the housing 1, and a first sponge pad 5 is bonded between the top plate 4 and the housing 1. Side plates 6 are provided on both sides of the housing 1, and a second sponge plate 7 is bonded between the side plate 6 and the housing 1. By providing the top plate 4 and the side plate 6, the housing 1 can be protected. When subjected to external collision, the housing 1 can be protected, and the first sponge plate and the second sponge plate 7 can buffer the impact.

[0025] Furthermore, a front perspective screen 2 is installed on one side of the shell 1, and a rear screen 3 is installed on the other side of the shell 1; a rear acquisition component for collecting the laser point image on the rear screen 3 after the laser passes through the front perspective screen 2 is installed on one side of the bottom of the inner cavity of the shell 1, and the rear acquisition component is located on the side away from the rear screen 3; a front acquisition component for collecting the laser point image of the front perspective screen 2 is installed on the other side of the bottom of the inner cavity of the shell 1.

[0026] A panel 8 is installed at one end of the housing 1 and located near the rear collection component. A through slot is provided inside the panel 8, and the front perspective screen 2 is embedded inside the through slot. A back plate 9 is installed at one end of the housing 1 away from the panel 8, and the rear screen 3 is installed on one side of the back plate 9 and located inside the housing 1. The panel 8 is provided to install the front perspective screen 2. The back plate 9 is provided to install the rear screen 3.

[0027] Specifically, a through hole is provided on the surface of the panel 8 and below the through groove, a small prism 10 is embedded in the through hole, an industrial camera 11 is installed on one side of the housing 1, and one end of the industrial camera 11 is attached to one side of the through hole. The through hole is provided for installing the small prism 10.

[0028] Furthermore, the rear acquisition component includes a first fixing seat 12, which is installed at the bottom of the inner cavity of the shell 1 and is located on a side away from the back plate 9. A rear screen camera 13 is installed on the top of the first fixing seat 12, and the shooting end of the rear screen camera 13 is set corresponding to the rear screen 3. The rear acquisition component includes a second fixing seat 14, which is installed at the bottom of the inner cavity of the shell 1 and is located on a side close to the back plate 9. A front screen camera 15 is installed on the top of the second fixing seat 14, and the shooting end of the front screen camera 15 is set corresponding to the front perspective screen 2. A calibration fill light 16 is installed on the top of the inner cavity of the shell 1, and an operation control board 17 and an inclinometer 18 are also installed inside the shell 1. The calibration fill light 16 is used to turn on the fill light during calibration.

[0029] It is worth noting that: the device first emits a laser from the total station, and the total station calculates the actual engineering coordinates of the device by measuring the small prism 10 installed on the panel 8. At the same time, the industrial camera 11 installed at the rear end of the small prism 10 collects the azimuth deflection of the total station laser, and calculates the actual azimuth deflection of the tunneling equipment through the position relationship between the total station and the tunneling equipment. The laser point of the laser indicator is collected using a double screen, and the image coordinates of the laser point of the front perspective screen 2 and the rear screen 3 are used to calculate the relative deflection of the device relative to the laser and the horizontal and vertical displacements. In addition, the roll angle and pitch angle of the inclinometer 18 are read through the operation control board 17, and all data are sent to the host computer. The host computer uses these parameters in combination with the engineering coordinates, the design center line and other parameters to calculate the actual position and posture of the tunneling machine.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-mode dual-path laser attitude measurement device, comprising a housing (1), characterized in that: A protective component for protecting the device from collision is installed on the outside of the housing (1); A front perspective screen (2) is installed on one side of the shell (1), and a rear screen (3) is installed on the other side inside the shell (1); A rear acquisition component for acquiring an image of a laser point on a rear screen (3) after the laser passes through the front perspective screen (2) is installed on one side of the bottom of the inner cavity of the housing (1); the rear acquisition component is located on a side away from the rear screen (3); A front acquisition component for acquiring laser point images of the front perspective screen (2) is installed on the other side of the bottom of the inner cavity of the housing (1).

2. A multi-mode dual-path laser attitude measurement device according to claim 1, characterized in that: The protection component comprises a top plate (4), the top plate (4) being located above the outer shell (1), and a first sponge pad (5) being bonded between the top plate (4) and the outer shell (1).

3. A multi-mode dual-path laser attitude measurement device according to claim 2, characterized in that: Side panels (6) are provided on both sides of the outer shell (1), and a second sponge plate (7) is bonded between the side panels (6) and the outer shell (1).

4. A multi-mode dual-path laser attitude measurement device according to claim 3, characterized in that: A panel (8) is installed at one end of the housing (1) and located close to the rear collection component, a through slot is provided inside the panel (8), and the front perspective screen (2) is embedded inside the through slot; a back panel (9) is installed at one end of the housing (1) away from the panel (8), and the rear screen (3) is installed on one side of the back panel (9) and located inside the housing (1).

5. A multi-mode dual-path laser attitude measurement device according to claim 4, characterized in that: A through hole is provided on the surface of the panel (8) and below the through groove, a small prism (10) is embedded in the through hole, an industrial camera (11) is installed on one side of the interior of the housing (1), and one end of the industrial camera (11) is in contact with one side of the through hole.

6. A multi-mode dual-path laser attitude measurement device according to claim 5, characterized in that: The rear acquisition component comprises a first fixing seat (12), the first fixing seat (12) being mounted at the bottom of the inner cavity of the housing (1) and located on a side away from the back plate (9), a rear screen camera (13) being mounted on the top of the first fixing seat (12), and a shooting end of the rear screen camera (13) being arranged corresponding to the rear screen (3).

7. A multi-mode dual-path laser attitude measurement device according to claim 6, characterized in that: The rear acquisition assembly comprises a second fixing seat (14), the second fixing seat (14) being mounted at the bottom of the inner cavity of the housing (1) and located on a side close to the back plate (9), a front screen camera (15) being mounted on the top of the second fixing seat (14), and a shooting end of the front screen camera (15) being arranged corresponding to the front perspective screen (2).

8. The multi-mode dual-path laser attitude measurement device according to claim 7, characterized in that: A calibration fill light (16) is installed at the top of the inner cavity of the shell (1), and an operation control board (17) and an inclinometer (18) are also installed inside the shell (1).

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