Tunnel laser imager

Abstract

The utility model discloses a tunnel laser imager, comprising a housing, two ends of the housing are respectively provided with a front cover and a rear cover, the housing, the front cover and the rear cover form an imager cavity, the cavity is internally provided with a first mounting plate and a second mounting plate, the end face of the front cover is sequentially provided with a target, a projection laser hole and a range finder through hole from top to bottom, a local area network gateway, a laser power supply, a computer and a control system are respectively arranged on the first mounting plate and the second mounting plate. The laser image positioning device for tunnel construction has the beneficial effects that the laser image positioning device for tunnel construction can be used in highway and railway tunnel engineering projects, has the advantages of quick positioning, accuracy, high efficiency, small volume, light weight, convenience in installation, simplicity in operation and complete functions, and can be used for quickly and accurately arranging images required by construction; the advanced computer laser technology provides a good foundation for solving simple and repeated labor, greatly liberates the workload of measuring personnel, reduces errors, and realizes safe production.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel laser image acquisition, in particular to a tunnel laser imager. Background Art

[0002] At present, in the construction of highways, railways, subways, and hydraulic tunnels by drilling and blasting, the positioning of blastholes, especially the arrangement of surrounding blastholes, the setting of arch supports, and the location of each position must be done by surveying engineers on site using a total station to build a station and then cast points, and then marked with paint before construction can be carried out. Most of them are simple repetitive labor. The surveyors on the construction site do not get off work day or night, they are on call and enter the tunnel five times a day. The slightest negligence will bring great economic losses to the construction. In addition, due to the particularity of tunnel construction, on-site work is also relatively unsafe and prone to personal accidents. Utility Model Content

[0003] The purpose of the utility model is to provide a tunnel laser imager to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tunnel laser imager, characterized in that it includes a shell, a front cover and a rear cover are respectively provided at both ends of the shell, the shell, the front cover and the rear cover constitute an imager cavity, a first mounting plate and a second mounting plate are provided in the cavity, a target, a projection laser hole and a rangefinder through hole are provided on the end face of the front cover in sequence from top to bottom, and a local gateway, a laser power supply, a computer and a control system are respectively provided on the first mounting plate and the second mounting plate.

[0005] For further optimization, the top of the shell is provided with a quick-install structure fixed thereto, and the bottom of the shell is provided with a base fixedly connected thereto.

[0006] Further optimized, a laser projector and a rangefinder are respectively provided between the first mounting plate and the second mounting plate.

[0007] For further optimization, the back cover is provided with an antenna connected to the local gateway.

[0008] Further optimized, the quick-release structure includes a fixed plate and a quick-release plate with a slide groove arranged on the end surface thereof.

[0009] For further optimization, the front cover end surface is provided with a plurality of raised portions which are arranged equidistantly in the circumferential direction, and the plurality of raised portions are respectively composed of rectangles, triangles and arcs.

[0010] Beneficial Effects

[0011] The tunnel laser imager provided by the utility model can be used in highway and railway tunnel engineering projects. It is a tunnel construction laser image positioning device with fast positioning, accuracy and efficiency, small size and light weight, easy installation, simple operation and complete functions. It can also quickly and accurately arrange the images required for construction, and provides a good foundation for solving simple and repetitive labor with advanced computer laser technology, which greatly frees up the workload of surveying personnel, reduces errors and achieves safe production. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the overall structure of the utility model from another angle;

[0014] Figure 3 It is a schematic diagram of the internal structure of the overall structure of the utility model;

[0015] Figure 4 It is a schematic diagram of the internal structure of the overall structure of the utility model from another angle. DETAILED DESCRIPTION

[0016] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0017] Example

[0018] like Figure 1-4 As shown, a tunnel laser imager includes a shell 1, a front cover 3 and a rear cover 2 are respectively provided at both ends of the shell 1, the shell 1, the front cover 3 and the rear cover 2 constitute an imager cavity, a first mounting plate 10 and a second mounting plate 11 are provided in the cavity, a target 7, a projection laser hole 8 and a rangefinder through hole 9 are sequentially provided on the end surface of the front cover 3 from top to bottom, and a local gateway 12, a laser power supply 13, a computer 14 and a control system 15 are respectively provided on the first mounting plate 10 and the second mounting plate 11.

[0019] In this embodiment, a quick-release structure 4 is fixedly arranged on the top of the shell 1, a base 5 is fixedly connected to the bottom of the shell 1, a laser projector 16 and a rangefinder 17 are respectively arranged between the first mounting plate 10 and the second mounting plate 11, an antenna 6 connected to the local gateway 12 is arranged on the back cover 2, the quick-release structure 4 includes a fixed plate and a quick-release plate with a slide groove arranged on its end face, and a plurality of protrusions 18 are equidistantly arranged in a circumferential direction on the end face of the front cover 3, and the plurality of protrusions 18 are respectively composed of rectangles, triangles and arcs.

[0020] Specific implementation method: At a distance of 50 m from the working face, fix the substrate to the tunnel roof with four Ф12×150 mm expansion bolts, and complete the positioning by quick-install universal locking.

[0021] The equipment weighs 9 kg, and the installation and positioning are simple and fast, which can ensure its stability. At a distance of 45 - 50 m from the working face, the safety of the equipment is guaranteed without being disturbed.

[0022] After the equipment is installed and debugged, the self-check system is positioned to complete;

[0023] The software system of BLIL ensures that the laser image can be correctly projected onto the working face. After the installation is completed, turn on the power and make a "work" - shaped debugging mark on the working face; set up the total station between the equipment and the working face; read the intersection points (Xb, Yb, Zb; Xz, Yz, Zz) above and below the "work" character at the equipment positioning point A(Xa, Ya, Za);

[0024] For the coordinate values of points B and Z of the debugging pattern (the upper intersection point B of the "work" character must be projected onto the working face, while the lower point Z is not required to be necessarily on the working face), input the data of points "A", "B", and "Z" into the equipment computer using a laptop or mobile phone APP, and the equipment will automatically project the correct image onto the working face. Take no less than three points on the contour line and check with the total station. If the error ≤ 3 cm, the installation is completed, meeting the nominal accuracy requirements set by the instrument. If not, check whether the "work" mark of the target and the coordinates of the tunnel traverse points are incorrect;

[0025] Software working principle: Before entering the tunnel, input the designed horizontal and vertical curves and CAD drawings of the whole tunnel into the equipment computer, and the equipment computer will automatically calculate the coordinate values of each point of the tunnel section at a certain fixed mileage. Laser images can be given at this point according to the equipment requirements.

[0026] The sizes and angles of the laser generator and the equipment target are fixed constants, ensuring the accurate distance from the laser generator to the working face.

[0027] After the position of the standard pattern of the section is known, the laser beam can accurately project the pattern onto the working face through the coordinate transformation formed by points A, B, and Z.

[0028] More specifically, when inputting the horizontal and vertical curves, it is necessary to perform compounding as required to ensure the accuracy of the data.

[0029] Before entering the tunnel, draw the required patterns on the computer using CAD or DXF software according to the design. Note:

[0030] (1) The center of the tunnel in the drawing must coincide with the coordinate point O, otherwise the pattern will shift.

[0031] (2) The pattern should be as continuous as possible and the right - angled bends should be reduced, without breakpoints.

[0032] (3) There should not be too many graphic lines, otherwise it will affect the brightness of the light. For example, if a single-layer contour line plus a groove is used or a blasthole layout plus an auxiliary contour line, no groove can be added.

[0033] If dotted lines are needed, they can be formed using the solid line covering point method.

[0034] The completed graphics are numbered and saved in the gallery, imported into the device computer, and the extraction key is set;

[0035] The non-parallel angle between the equipment projection graphic and the working surface is adjusted through reverse perspective transformation to coincide with the axis projection image.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions recorded in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the utility model content within the protection scope of the utility model.

Claims

1. A tunnel laser imager, characterized in that: The invention comprises a shell (1), wherein two ends of the shell (1) are respectively provided with a front cover (3) and a rear cover (2), wherein the shell (1), the front cover (3) and the rear cover (2) constitute an imager cavity, wherein a first mounting plate (10) and a second mounting plate (11) are provided in the cavity, wherein the end surface of the front cover (3) is provided with a target (7), a projection laser hole (8) and a rangefinder through hole (9) in sequence from top to bottom, and wherein the first mounting plate (10) and the second mounting plate (11) are respectively provided with a local gateway (12), a laser power supply (13), a computer (14) and a control system (15).

2. The tunnel laser imager according to claim 1, characterized in that: The top of the shell (1) is provided with a quick-install structure (4) fixedly mounted thereon, and the bottom of the shell (1) is provided with a base (5) fixedly connected thereto.

3. The tunnel laser imager according to claim 1, characterized in that: A laser projector (16) and a rangefinder (17) are respectively arranged between the first mounting plate (10) and the second mounting plate (11).

4. The tunnel laser imager according to claim 1, characterized in that: The back cover (2) is provided with an antenna (6) connected to the local gateway (12).

5. The tunnel laser imager according to claim 2, characterized in that: The quick-install structure (4) comprises a fixing plate and a quick-install plate provided on the end surface thereof and having a sliding groove.

6. The tunnel laser imager according to claim 1, characterized in that: The end surface of the front cover (3) is provided with a plurality of protrusions (18) which are arranged equidistantly in the circumferential direction, and the plurality of protrusions (18) are respectively formed in a rectangular, triangular and arc shape.

Images