Seven-line on-wall positioning device for tunnel construction

Abstract

The utility model discloses a seven-line on-wall positioning device for tunnel construction, which is mounted on an inverted arch trestle and comprises a base, a rectangular frame mounted on the base and seven laser generators arranged along the vertical direction of the rectangular frame. The laser generator is installed on the laser base, the laser base comprises two square ferrules, a connecting plate and a support, the two square ferrules are arranged on the two stand columns of the rectangular frame in a sleeving mode respectively, the square ferrules move in the vertical direction of the stand columns, the connecting plate is used for connecting the two square ferrules, and the support is rotationally connected with the connecting plate. The laser generator is rotationally connected to the support. The device has the advantages that operation hindrance during inverted arch low side wall construction operation can be well avoided, the bright and conspicuous laser rays can better guarantee elevation control of operation of all working procedures, meanwhile, operation is easy, installation is convenient and fast, and working efficiency of the working procedures is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel construction, in particular to a seven-line wall-mounted positioning device for tunnel construction. Background Art

[0002] After the initial support closed-loop is completed, the procedures during the invert lining construction are as follows: installation of geotextile, waterproof board and longitudinal blind pipe on the low side wall. After the anti-seepage and drainage installation is completed, the positioning and binding of the invert lining steel bars are carried out. After the steel bar binding is completed, the installation of the longitudinal steel plate water stop belt, the installation of the embedded tee and the drainage hole are carried out. Finally, the invert lining formwork is positioned. During the whole construction process, how to control the unified elevation of each process operation is the key point of the whole invert construction operation.

[0003] The traditional invert lining construction process is that after surveying and setting out the lines, two positioning points are painted with red self-spray paint at the circumferential construction joints on both sides of the invert. Two nails are driven at the positioning points, and a red line is tied to the two nails on both sides as the elevation auxiliary line for each construction process of the low side wall. This process seriously affects the operation when laying and hanging the waterproof board and the geotextile, and cannot fully ensure the elevation of each process of the invert lining.

[0004] Therefore, a seven-line wall-mounted positioning device for tunnel construction that can solve the above problems is needed. Summary of the Invention

[0005] The purpose of the utility model is to provide a seven-line wall-mounted positioning device for tunnel construction according to the deficiencies of the above prior art. It consists of a base, a rectangular frame and seven laser generators. The seven laser generators are respectively a geotextile elevation line locator, a waterproof board elevation line locator, a long steel bar elevation line locator, a short steel bar elevation line locator, a water stop belt elevation line locator, a low side wall elevation line locator and a blind pipe elevation line locator. It can well avoid the operation obstacles during the construction of the invert low side wall. The bright and conspicuous laser lines can also better ensure the elevation control of each process operation. At the same time, the operation is simple and the installation is convenient, greatly improving the process operation efficiency, and providing guarantee for the construction quality of the invert lining and the structural appearance at the longitudinal construction joint.

[0006] The purpose of the utility model is realized by the following technical solutions:

[0007] A seven-line wall-mounted positioning device for tunnel construction, the seven-line wall-mounted positioning device is installed on the invert trestle, the seven-line wall-mounted positioning device includes a base, a rectangular frame installed on the base, and seven laser generators arranged along the vertical direction of the rectangular frame, the laser generators are installed on laser generator bases, the laser generator bases include two square sleeves, a connecting plate and a bracket, the two square sleeves are respectively sleeved on two columns of the rectangular frame, the square sleeves move along the vertical direction of the columns, the connecting plate is used to connect the two square sleeves, the bracket is rotatably connected to the connecting plate, and the laser generator is rotatably connected to the bracket.

[0008] A chute is respectively arranged along the vertical direction at the rear of each of the two columns, a slider matching with the chute is installed on the inner side of the rear plate of each of the two square sleeves, the slider is connected to one end of a screw rod, the other end of the screw rod passes through the rear plate and extends to the outside of the rear plate, and a nut is installed at this end of the screw rod, and the slider is fixed in the chute by tightening the nut.

[0009] The bracket includes a rotating connecting piece and a U-shaped placement rack, the rotating connecting piece is rotatably connected to the connecting plate, the laser generator is rotatably connected to the U-shaped placement rack through a transverse rotating shaft, and a fixing knob is arranged at both ends of the transverse rotating shaft.

[0010] A first limiting piece is connected between the tops of the two columns, and a second limiting piece is connected between the bottoms of the two columns.

[0011] A wire coil for the power cord of the laser generator to pass through is arranged at the rear side of the connecting plate, and the wire coil is connected to the two square sleeves through two connecting rods.

[0012] The base includes a base, a foot screw, a chassis and a circular spirit level bubble, the chassis is connected to the base through the foot screw, and the circular spirit level bubble is arranged at the center of the chassis.

[0013] The seven laser generators are, from top to bottom, a geotextile elevation line locator, a waterproof board elevation line locator, a long steel bar elevation line locator, a short steel bar elevation line locator, a water stop belt elevation line locator, a low side wall elevation line locator and a blind pipe elevation line locator.

[0014] The advantages of the present utility model are: it can well avoid the operation obstacles during the construction of the invert low side wall, the bright and conspicuous laser line can also better ensure the elevation control of each process operation, at the same time, the operation is simple and the installation is convenient, greatly improving the process operation efficiency, and providing guarantee for the construction quality of the invert lining and the structural appearance at the longitudinal construction joint. Description of the Drawings

[0015] Figure 1 is the perspective view (one) of the seven-wire wall-mounted positioning device of the present utility model;

[0016] Figure 2 is the perspective view (two) of the seven-wire wall-mounted positioning device of the present utility model;

[0017] Figure 3 is the structural schematic diagram of the base of the present utility model;

[0018] Figure 4 is the installation schematic diagram of the laser generator base of the present utility model;

[0019] Figure 5 is the perspective view of the laser generator base of the present utility model;

[0020] Figure 6 is the top view of the laser generator base of the present utility model. Specific embodiments

[0021] The features of the present utility model and other related features are further described in detail below in conjunction with the accompanying drawings through embodiments for the understanding of those skilled in the same industry:

[0022] As Figures 1 to 6 shown, the marks in the figure are respectively represented as:

[0023] Base 1, rectangular frame 2, laser generator 3, laser generator base 4, column 5, first limiting member 6, second limiting member 7, base 8, foot screw 9, chassis 10, circular spirit level 11, square collar 12, connecting plate 13, bracket 14, chute 15, slider 16, screw 17, nut 18, rear plate 19, rotating connecting member 20, U-shaped placement rack 21, horizontal rotating shaft 22, fixing knob 23, wire coil 24, power cord 25, connecting rod 26.

[0024] Embodiment: As Figures 1 to 6As shown in the figure, this embodiment relates to a seven-line wall-mounted positioning device for tunnel construction. This seven-line wall-mounted positioning device is installed on the invert trestle. The seven-line wall-mounted positioning device mainly includes a base 1, a rectangular frame 2, a laser generator 3, and a laser generator base 4. The base 1 is fixed on the invert trestle. The rectangular frame 2 is installed on the base 1. The laser generator 3 is installed on the rectangular frame 2 through the laser generator base 4. The laser generator base 4 can move along the vertical direction of the rectangular frame 2. And there are seven laser generators 3 arranged along the vertical direction of the rectangular frame 2. The seven laser generators 3 are arranged at unequal intervals in sequence. The seven laser generators 3 are, from top to bottom, the geotextile elevation line locator, the waterproof board elevation line locator, the long steel bar elevation line locator, the short steel bar elevation line locator, the water stop belt elevation line locator, the low side wall elevation line locator, and the longitudinal blind pipe elevation line locator, which are respectively used for the control of the geotextile elevation line, the waterproof board elevation line, the long steel bar elevation line, the short steel bar elevation line, the water stop belt elevation line, the low side wall elevation line, and the longitudinal blind pipe elevation line. Among them, the laser generator 3 emits a one-line laser. Turning the laser head can adjust the size and thickness of the one-line laser spot.

[0025] As Figures 1 to 3 shown, the base 1 includes a base 8, a foot screw 9, a chassis 10, and a circular spirit level 11. The base 8 is fixed on the invert trestle by bolts. The chassis 10 is connected to the base 8 through the foot screw 9. The circular spirit level 11 is arranged at the center of the chassis 10. There are three foot screws 9. By adjusting the three foot screws 9, the bubble of the circular spirit level 11 can be centered inside the circular index ring to level the top surface of the base 1.

[0026] As Figures 1 to 2 shown, the rectangular frame 2 includes columns 5, a first limiting member 6, and a second limiting member 7. There are two relatively arranged columns 5. A first limiting member 6 is connected between the tops of the two columns 5. A second limiting member 7 is connected between the bottoms of the two columns 5. The first limiting member 6 and the second limiting member 7 can limit the movement of the laser generator base 4 and can also enhance the stability of the two columns 5.

[0027] As Figures 1 to 2 and Figures 4 to 6As shown in the figure, the laser base 4 includes two square collars 12, a connecting plate 13 and a bracket 14. The two square collars 12 are respectively sleeved on the two columns 5 of the rectangular frame 2. The square collars 12 move along the vertical direction of the columns 5. The connecting plate 13 is used to connect the two square collars 12. The bracket 14 is rotatably connected to the connecting plate 13 so as to adjust the laser irradiation direction. The laser generator 3 is rotatably connected to the bracket 14, and the pitching angle of the laser generator 3 can be adjusted. Specifically, a chute 15 is respectively arranged along the vertical direction at the rear of the two columns 5. A slider 16 is installed on the inner side of the rear plate 19 of the two square collars 12. The shape and size of the slider 16 respectively match the shape and size of the chute 15. The slider 16 is installed in the chute 15 and can move along the length direction of the chute 15. One end of the slider 16 is connected to one end of a screw 17. The other end of the screw 17 passes through the rear plate 19 and extends to the outside of the rear plate 19, and a nut 18 is installed at this end of the screw 17. By tightening the nut 18, the slider 16 is fixed in the chute 15, thereby realizing the position fixation of the laser base 4. The bracket 14 includes a rotating connecting piece 20 and a U-shaped placement rack 21. The rotating connecting piece 20 and the U-shaped placement rack 21 are fixedly connected. The rotating connecting piece 20 is rotatably connected to the connecting plate 13. The laser generator 3 is rotatably connected to the U-shaped placement rack 21 through a transverse rotating shaft 22. A fixing knob 23 is provided at both ends of the transverse rotating shaft 22. When the pitching angle adjustment of the laser generator 3 is completed, the laser generator 3 can be fixed through the fixing knob 23. In addition, a wire arranging coil 24 is arranged at the rear side of the connecting plate 13. The wire arranging coil 24 is connected to the two square collars 12 through two connecting rods 26. The wire arranging coil 24 is used for the power cord 25 of the laser generator 3 to pass through, facilitating the arrangement of the power cord 25 of the laser generator 3.

[0028] As Figures 1 to 6 shown, the present embodiment also has the following construction method:

[0029] Install the seven-line wall-up positioning device on the invert trestle.

[0030] Adjust the positions of the seven laser generators 3 on the seven-line wall-up positioning device to respectively correspond to the geotextile elevation line, waterproof board elevation line, long steel bar elevation line, short steel bar elevation line, waterstop elevation line, low side wall elevation line and longitudinal blind pipe elevation line.

[0031] During construction, control the installation and construction height of the corresponding materials according to the laser ray elevation.

[0032] The beneficial technical effects of the present embodiment are: it can well avoid the operation obstacles during the construction of the invert low side wall. The bright and conspicuous laser line can also better ensure the elevation control of each process operation. At the same time, the operation is simple and the installation is convenient, greatly improving the process operation efficiency, and providing guarantee for the construction quality of the invert lining and the structural appearance at the longitudinal construction joint.

[0033] Although the above embodiments have been described in detail with reference to the drawings for the concept and embodiments of the purpose of the present utility model, those of ordinary skill in the art can recognize that various improvements and transformations can still be made to the present utility model without departing from the scope defined by the claims, so they will not be elaborated one by one here.

Claims

1. A seven-line wall positioning device for tunnel construction, characterized in that: The seven-line wall positioning device is installed on the inverted arch trestle. The seven-line wall positioning device includes a base, a rectangular frame installed on the base, and seven laser generators arranged along the vertical direction of the rectangular frame. The laser generators are installed on laser generator bases. The laser generator bases include two square sleeves, a connecting plate, and a bracket. The two square sleeves are respectively sleeved on the two columns of the rectangular frame. The square sleeves move along the vertical direction of the columns. The connecting plate is used to connect the two square sleeves. The bracket is rotatably connected to the connecting plate. The laser generator is rotatably connected to the bracket.

2. The seven-line wall-mounted positioning device for tunnel construction according to claim 1, characterized in that: A chute is respectively arranged along the vertical direction at the rear of each of the two columns. A slider matching the chute is installed on the inner side of the rear plate of each of the two square sleeves. The slider is connected to one end of a screw rod. The other end of the screw rod passes through the rear plate and extends to the outside of the rear plate. A nut is installed at this end of the screw rod. By tightening the nut, the slider is fixed in the chute.

3. The seven-line wall-mounted positioning device for tunnel construction according to claim 1, characterized in that: The bracket includes a rotating connecting piece and a U-shaped placement rack. The rotating connecting piece is rotatably connected to the connecting plate. The laser generator is rotatably connected to the U-shaped placement rack through a transverse rotating shaft. A fixing knob is arranged at each end of the transverse rotating shaft.

4. The seven-line wall-mounted positioning device for tunnel construction according to claim 1, characterized in that: A first limiting piece is connected between the tops of the two columns, and a second limiting piece is connected between the bottoms of the two columns.

5. The seven-line wall-mounted positioning device for tunnel construction according to claim 1, wherein: A wire coil for the power cord of the laser generator to pass through is arranged at the rear side of the connecting plate. The wire coil is connected to the two square sleeves through two connecting rods.

6. The seven-line wall-mounted positioning device for tunnel construction according to claim 1, characterized in that: The base includes a base, foot screws, a chassis, and a circular spirit level. The chassis is connected to the base through the foot screws. The circular spirit level is arranged at the center of the chassis.

7. The seven-line wall-mounted positioning device for tunnel construction according to claim 1, characterized in that: The seven laser generators are, from top to bottom, a geotextile elevation line locator, a waterproof board elevation line locator, a long steel bar elevation line locator, a short steel bar elevation line locator, a water stop elevation line locator, a low side wall elevation line locator, and a blind pipe elevation line locator.

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