Overhead adjustable fixing device for multi-beam visible laser

Abstract

The utility model belongs to the technical field of laser installation, and particularly relates to an upper adjustable fixing device for a multi-beam visible laser. Comprising a hanging bracket and a laser adjusting support, the top end of the suspender is connected with a tunnel top plate, and the suspension platform is suspended at the bottom end of the suspender. A turntable is mounted on the suspension platform; a laser adjusting bracket is mounted at the top of the turntable; the laser adjusting bracket comprises a fixed bracket body and a swinging bracket body, and the swinging bracket body is arranged in the fixed bracket body and is connected with the fixed bracket body through two horizontal rotating shafts; wherein one horizontal rotating shaft is sleeved with a rocking handle, and the rocking handle is in threaded connection with a first fastening screw capable of jacking the horizontal rotating shaft in the radial direction. An adjusting screw rod and an elastic telescopic rod are arranged on the fixed frame body, and the handle part of the rocking handle is positioned between the adjusting screw rod and the elastic telescopic rod; the hanging bracket has the height adjusting function, the laser adjusting support has the horizontal and vertical angle adjusting function, and the application range is wide.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of laser installation, specifically relates to a kind of upper adjustable fixing device for multi-beam visible laser. BACKGROUND

[0002] Longer tunnel excavation is usually the controlling engineering of whole line, and generally has long construction period and urgent progress requirement. During tunnel construction measurement, action must be rapid and data must be accurate to timely control tunnel excavation direction and real-time master tunnel section clearance condition. However, during tunnel construction process, small space, weak light, poor weather and other unfavorable measurement conditions bring great challenge to measurers.

[0003] During tunnel blasting construction process, the traditional way for face hole positioning is still the way of total station combined with manual dotting, and several key peripheral hole positions are laid out by total station, and then the layout time of each cycle is about 30 minutes in production practice, and the occupied time is long. The size dispersion of hole slag after site blasting due to the randomness of hole arrangement is difficult to directly use for secondary use, and the inaccurate distance and position of peripheral hole arrangement lead to obvious overbreak and underbreak of blasting. Meanwhile, there are safety risk hidden troubles such as high-altitude falling and object impact.

[0004] With the increasing popularity of safety, environmental protection, fast, mechanization and automation of tunnel construction concept in China and the increasing labor cost, higher requirements for the mechanization and automation degree of tunnel engineering construction are put forward. In order to solve the problems of poor accuracy and low efficiency of face hole arrangement, multi-beam visible laser is used to project tunnel contour line and related hole position on tunnel excavation working face through certain technical means, so as to realize fast and high-precision measurement and layout positioning of tunnel excavation contour and hole.

[0005] During the layout of tunnel excavation contour by using multi-beam visible laser, sometimes the multi-beam visible laser needs to be fixed and installed on the top of tunnel, and a stable hanging bracket capable of horizontally and vertically adjusting angle is needed for the multi-beam visible laser. UTILITY MODEL CONTENTS

[0006] An object of the utility model is to solve at least the above problems, and at least the advantages to be explained later are provided.

[0007] The utility model provides the following technical scheme: a kind of upper adjustable fixing device for multi-beam visible laser, including hanging bracket and laser regulator support, and the hanging bracket includes suspender and suspension platform;The top of suspender is connected with tunnel roof, and the bottom of suspender hangs the suspension platform;

[0008] A rotating disc is installed on the suspension platform, which can rotate horizontally relative to the suspension platform and is fixed at a target angle; a laser adjusting support is installed on the top of the rotating disc;

[0009] The laser adjusting support comprises a fixed frame and a swing frame, both of which are U-shaped frames; the fixed frame is connected to the rotating disc, and the swing frame is connected to the fixed frame through two horizontal rotating shafts; the horizontal rotating shafts are fixed on the swing frame and rotatably penetrate the fixed frame; a handle is sleeved on one of the horizontal rotating shafts, and a first fastening screw capable of radially clamping the horizontal rotating shaft is threadedly connected to the handle; an adjusting screw and an elastic expansion rod are arranged on the fixed frame, coaxially; the handle is located between the adjusting screw and the elastic expansion rod; a laser fixture is arranged on the swing frame.

[0010] Further, the suspender comprises an upper rod and a lower rod, one end of each of the upper rod and the lower rod is engraved with a thread in opposite directions, and the two ends are connected through a threaded sleeve; the upper end of the upper rod is rotatably connected to the anchoring seat, and the lower end of the lower rod is rotatably connected to the suspension platform.

[0011] Further, the anchoring seat comprises a top plate and a vertical plate, the anchoring seat is fixed to the tunnel top plate through expansion bolts on the top plate, the upper rod is connected to the vertical plate through bolts, and the lower rod is connected to the suspension platform through bolts.

[0012] Further, the bottom of the rotating disc is fixed with a connecting shaft, the connecting shaft comprises a light rod segment and a screw rod segment, the connecting shaft penetrates the suspension platform, the light rod segment of the connecting shaft is rotatably connected to the suspension platform, and the screw rod segment of the connecting shaft is threadedly connected with a locking nut, and the rotating disc is fixed when the locking nut is screwed.

[0013] Further, two connecting columns are arranged on the top of the rotating disc, the bottom of the fixed frame is provided with two sockets matched with the connecting columns, the sockets are provided with insertion holes, and the second fastening screw is connected to the sockets and used for clamping the connecting columns.

[0014] Further, a fine adjustment frame is connected to the fixed frame through a fixed shaft, the sockets are installed on the fine adjustment frame, and the two sockets are symmetrically located on both sides of the fixed shaft; a pair of push screws are arranged on the fixed frame, and the force receiving blocks at the ends of the fine adjustment frame are located between the pair of push screws.

[0015] Further, the two locking screws connected to the swing frame serve as the laser fixture.

[0016] Further, the suspension platform is square, each corner of the suspension platform is provided with a suspender, and the rotating disc and the connecting shaft are located at the center of the suspension platform.

[0017] Further, the upper rod and the lower rod are coated with a reflective film, and the side surface of the suspension platform is paved with a reflective film.

[0018] Compared with the prior art, the advantages of the utility model lie in that:

[0019] The utility model provides a kind of for the upper adjustable fixing device of multiple-beam visible laser, the length of hanger pole can be independently regulated, the height of corresponding suspension platform can be regulated, the upper end of hanger pole is rotatably connected with anchor seat, lower end is rotatably connected with suspension platform, and the inclination of suspension platform can be regulated.

[0020] The laser regulator support has horizontal and vertical angle adjustment functions, and both horizontal and vertical angle adjustment have coarse adjustment and fine adjustment two modes, the laser is quickly adjusted to target angle vicinity by coarse adjustment, and then accurately adjusted by fine adjustment, while meeting the efficiency requirement and precision requirement when laser is installed;Laser regulator support and hanger are convenient to assemble and disassemble, can quickly transfer laser, have wide applicability, adopt full mechanical structure, simple structure, high strength and strong stability. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the structural schematic diagram of the utility model;

[0022] Figure 2 It is the plan view of hanger and laser regulator support;

[0023] Figure 3 It is the structural schematic diagram of laser regulator support;

[0024] Figure 4 It is the structural schematic diagram of fixed frame body.

[0025] In the drawing: 1-hanger pole;1.1-upper pole;1.2-lower pole;1.3-threaded sleeve;2-suspension platform;3-rotating disc;4-fixed frame body;4.1-fixed shaft;4.2-fine adjustment frame body;4.3-thrust screw;4.4-force block;5-swing frame body;6-horizontal rotating shaft;7-crank;8-first fastening screw;9-adjusting screw;10-spring telescopic rod;11-connecting shaft;12-locking nut;13-connecting column;14-socket;15-second fastening screw;16-tunnel top plate;17-locking screw;18-anchor seat;19-expansion bolt;20-laser. DETAILED DESCRIPTION

[0026] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and for ordinary skilled person in the art, other drawings can be obtained according to these drawings without creating creative labor.

[0027] As shown in Figure 1 , Figure 3 : an overlying adjustable fixing device for multi-beam visible laser, comprising a hanger and a laser adjusting support, the hanger comprises a hanger rod 1 and a suspension platform 2; the top end of the hanger rod 1 is connected with the tunnel roof, and the bottom end of the hanger rod 1 hangs the suspension platform 2.

[0028] A turntable 3 is installed on the suspension platform 2, the turntable 3 can rotate horizontally relative to the suspension platform 2 and be fixed at a target angle; the laser adjusting support is installed on the top of the turntable 3.

[0029] The laser adjusting support comprises a fixed frame body 4 and a swing frame body 5, both of which are U-shaped frames; the fixed frame body 4 is connected with the turntable 3 and rotates with the turntable 3; the swing frame body 5 is connected with the fixed frame body 4 through two horizontal rotating shafts 6 in the fixed frame body 4; the horizontal rotating shafts 6 are fixed on the swing frame body 5 and rotatably pass through the fixed frame body 4; one of the horizontal rotating shafts 6 is sleeved with a rocking handle 7, and the rocking handle 7 is threadedly connected with a first fastening screw 8 capable of radially clamping the horizontal rotating shaft 6; when the first fastening screw 8 is loosened, the horizontal rotating shaft 6 rotates and the rocking handle 7 does not move; when the first fastening screw 8 clamps the horizontal rotating shaft 6, the rocking handle 7 and the horizontal rotating shaft 6 rotate together, that is, the rocking handle 7 can push the swing frame body 5 to rotate; an adjusting screw 9 and a spring telescopic rod 10 are arranged on the fixed frame body 4, the adjusting screw 9 and the spring telescopic rod 10 are coaxial, and the handle part of the rocking handle 7 is located between the adjusting screw 9 and the spring telescopic rod 10; the spring telescopic rod 10 always pushes the rocking handle 7 to contact with the adjusting screw 9; when the adjusting screw 9 is rotated forward, the rocking handle 7 is pushed to move towards the spring telescopic rod 10; when the adjusting screw 9 is rotated reversely, the spring telescopic rod 10 pushes the rocking handle 7 to move towards the adjusting screw 9; a laser clamp is arranged on the swing frame body 5; a laser 20 is installed on the swing frame body 5. The two locking screws 17 connected on the swing frame body 5 serve as the laser clamp.

[0030] The hanger rod 1 comprises an upper rod 1.1 and a lower rod 1.2, the proximal ends of the upper rod 1.1 and the lower rod 1.2 are engraved with threads in opposite directions and are connected through a threaded sleeve 1.3; when the threaded sleeve 1.3 is rotated, the upper rod 1.1 and the lower rod 1.2 are synchronously extended or retracted relative to the threaded sleeve 1.3, the length of the hanger rod 1 is lengthened or shortened, the upper end of the upper rod 1.1 is rotatably connected with an anchoring seat 18, the lower end of the lower rod 1.2 is rotatably connected with the suspension platform 2, the two ends of the upper rod 1.1 can rotate, and the inclination angle of the suspension platform 2 can be adjusted.

[0031] As shown in Figure 2 : the suspension platform 2 is square, each corner of the suspension platform 2 has a hanger rod 1, the turntable 3 and the connecting shaft 11 are located at the center of the suspension platform 2.

[0032] The anchoring seat 18 comprises a top plate and a vertical plate, the anchoring seat 18 is fixed on the tunnel top plate through the expansion bolt 19 on the top plate, the upper rod 1.1 is connected with the vertical plate through the bolt, and the lower rod 1.2 is connected with the suspension platform 2 through the bolt. Specifically, the anchoring seat 18 adopts an angle steel.

[0033] The upper rod 1.1 and the lower rod 1.2 are coated with a reflective film, and the side surface of the suspension platform 2 is pasted with a reflective film, which is used for warning and preventing collision.

[0034] The bottom of the rotating disc 3 is fixed with a connecting shaft 11, the connecting shaft 11 comprises a light rod section and a screw rod section, the connecting shaft 11 penetrates through the suspension platform 2, the light rod section of the connecting shaft 11 is rotationally matched with the suspension platform 2, and the screw rod section of the connecting shaft 11 is threadedly connected with a locking nut 12, the rotating disc 3 is fixed when the locking nut 12 is screwed, and the rotating disc 3 can freely rotate when the locking nut 12 is loosened.

[0035] Two connecting columns 13 are arranged on the top of the rotating disc 3, the bottom of the fixed frame body 4 is provided with two sockets 14 matched with the connecting columns 13, the sockets 14 are provided with insertion holes, and the second fastening screws 15 for moving in and out of the insertion holes are connected to the sockets 14. After the sockets 14 are inserted into the connecting columns 13, the second fastening screws 15 are tightened, the second fastening screws 15 are matched with the sockets 14 to tightly hold the connecting columns 13, and the fixed frame body 4 is fixed on the rotating disc 3.

[0036] As shown in the figure, the fine adjustment frame body 4.2 is connected to the fixed frame body 4 through the fixed shaft 4.1, the sockets 14 are installed on the fine adjustment frame body 4.2, and the two sockets 14 are symmetrically located on the two sides of the fixed shaft 4.1. Figure 4 A pair of push screws 4.3 are arranged on the fixed frame body 4, the stress blocks 4.4 at the ends of the fine adjustment frame body 4.2 are located between the pair of push screws 4.3, and the two push screws 4.3 are moved in and out to control the swinging of the fine adjustment frame body 4.2 relative to the fixed frame body 4 and fix the angle of the fine adjustment frame body 4.2.

[0037] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An overmountable adjustable fixture for a multi-beam visible laser, characterized by: The crane and laser adjusting support comprises a crane and a laser adjusting support, the crane comprises a suspender (1) and a suspension platform (2), the top end of the suspender (1) is connected with the tunnel roof, and the bottom end of the suspender (1) hangs the suspension platform (2); A rotating disc (3) is installed on the suspension platform (2), the rotating disc (3) can rotate horizontally relative to the suspension platform (2) and is fixed at a target angle, and the laser adjusting support is installed on the top of the rotating disc (3); The laser adjusting support comprises a fixed frame (4) and a swing frame (5), both the fixed frame (4) and the swing frame (5) are U-shaped frames, the fixed frame (4) is connected with the rotating disc (3), the swing frame (5) is connected with the fixed frame (4) through two horizontal rotating shafts (6) in the fixed frame (4), the horizontal rotating shafts (6) are fixed on the swing frame (5) and rotatably pass through the fixed frame (4), a handle (7) is sleeved on one of the horizontal rotating shafts (6), a first fastening screw (8) capable of radially pressing the horizontal rotating shaft (6) is threadedly connected on the handle (7), an adjusting screw (9) and an elastic telescopic rod (10) are arranged on the fixed frame (4), the adjusting screw (9) and the elastic telescopic rod (10) are coaxial, the handle part of the handle (7) is located between the adjusting screw (9) and the elastic telescopic rod (10), and a laser fixture is arranged on the swing frame (5).

2. A top mounted adjustable fixture for multi-beam visible laser according to claim 1, wherein: The suspender (1) comprises an upper suspender (1.1) and a lower suspender (1.2), the proximal ends of the upper suspender (1.1) and the lower suspender (1.2) are marked with threads in opposite directions and are connected through a threaded sleeve (1.3), the upper end of the upper suspender (1.1) is rotatably connected with an anchoring seat (18), and the lower end of the lower suspender (1.2) is rotatably connected with the suspension platform (2).

3. A top mounted adjustable fixture for multi-beam visible laser according to claim 2, wherein: The anchoring seat (18) comprises a top plate and a vertical plate, the anchoring seat (18) is fixed on the tunnel roof through expansion bolts (19) on the top plate, the upper suspender (1.1) is connected with the vertical plate through bolts, and the lower suspender (1.2) is connected with the suspension platform (2) through bolts.

4. A top adjustable fixture for multi-beam visible laser according to any one of claims 1 to 3, characterized in that: The bottom of the rotating disc (3) is fixed with a connecting shaft (11), the connecting shaft (11) comprises a light rod section and a screw rod section, the connecting shaft (11) passes through the suspension platform (2), the light rod section of the connecting shaft (11) is rotationally matched with the suspension platform (2), and the screw rod section of the connecting shaft (11) is threadedly connected with a locking nut (12), the rotating disc (3) is fixed when the locking nut (12) is screwed.

5. A top mounted adjustable fixture for multi-beam visible laser according to claim 4, wherein: Two connecting columns (13) are arranged on the top of the rotating disc (3), the bottom of the fixed frame (4) is provided with two sockets (14) matched with the connecting columns (13) one by one, the sockets (14) are provided with insertion holes, and the second fastening screws (15) for advancing and retreating relative to the insertion holes and clamping the connecting columns (13) are connected to the sockets (14).

6. A top mount adjustable fixture for multi-beam visible laser according to claim 5, wherein: The fixed frame body (4) is connected with a fine adjustment frame body (4.2) through a fixed shaft (4.1), the sockets (14) are installed on the fine adjustment frame body (4.2), and the two sockets (14) are symmetrically located on the two sides of the fixed shaft (4.1); a pair of push screws (4.3) are arranged on the fixed frame body (4), and the stress blocks (4.4) at the end of the fine adjustment frame body (4.2) are located between the pair of push screws (4.3).

7. A top mounted adjustable fixture for multi-beam visible laser according to claim 1, wherein: The two locking screws (17) connected on the swing frame body (5) are used as the laser fixture.

8. A top mounted adjustable fixture for multi-beam visible laser according to claim 4, wherein: The suspension platform (2) is square, each corner of the suspension platform (2) is provided with a hanging rod (1), the rotating disc (3) and the connecting shaft (11) are located at the center of the suspension platform (2).

9. A top mounted adjustable fixture for multi-beam visible laser according to claim 2 or 3, wherein: The upper rod (1.1) and the lower rod (1.2) are coated with a reflective film, and the side surface of the suspension platform (2) is paved with the reflective film.

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