Bridge steel support drilling positioning device

Abstract

The utility model relates to a bridge steel support drilling positioning device which comprises a positioning support fixed to the edge of a T-shaped beam and extending downwards, the positioning support is transversely and slidably connected with a sliding support, a laser emitting structure is arranged at the top end of the sliding support, and a light source reflecting structure obliquely arranged towards the side wall of the T-shaped beam and the laser emitting structure is arranged at the bottom end of the sliding support. The light source reflection structure is in lifting connection with the laser emission structure; and a periscope is arranged between the upper part of the T-shaped beam and the side wall of the T-shaped beam. The positioning device has the effect that constructors can perform drilling and lofting on the side wall of the T-shaped beam without suspension operation.

Description

Technical Field

[0001] The present application relates to the technical field, and in particular to a drilling and positioning device for a bridge steel support. Background Art

[0002] The existing steel support on the side of the railway T-beam is being replaced, and the newly installed steel support needs to be re-layouted and drilled. During the layout process, manual drawing is used for positioning, and a steel ruler, long angle steel and right-angle plate are used to manually measure and mark the position of the drilling target point on the installation plane of the angle steel support.

[0003] The existing layout method requires construction workers to suspend under the bridge. Some bridges are located at high altitudes, which is very inconvenient to operate and poses a safety hazard. In response to the above-mentioned related technologies, the applicant believes that a positioning device is proposed that can drill and layout holes on the side wall of the T-beam without the need for suspended operations. Utility Model Content

[0004] In order to enable construction workers to perform drilling and positioning on the side walls of T-beams without the need for suspended operations, the present application provides a drilling and positioning device for a bridge steel support.

[0005] The present application provides a bridge steel support drilling positioning device that adopts the following technical solution:

[0006] A drilling positioning device for a bridge steel support comprises a positioning support fixed to the edge of a T-beam and extending downward, the positioning support being laterally slidably connected to a sliding support, a laser emitting structure being provided at the top of the sliding support, and a light source reflecting structure being inclined toward the side wall of the T-beam and the laser emitting structure being provided at the bottom; the light source reflecting structure is lifted and connected to the laser emitting structure; a periscope is provided between the top of the T-beam and the side wall of the T-beam.

[0007] By adopting the above technical solution, the positioning point can be easily changed through the positioning bracket and the sliding bracket, so that there is no need for personnel to suspend the operation, and the adjustment work can be carried out efficiently. The laser emitting unit cooperates with the light source reflection structure to enable construction personnel to turn the angle and lay out the side wall of the T-beam at an unlimited distance. A periscope is used to avoid the body sticking out of the beam surface, thereby further protecting the personal safety of construction personnel.

[0008] Preferably, the laser emitting structure includes a transparent support plate and a laser emitting unit, the transparent support plate is horizontally arranged and fixed to the sliding bracket; the laser emitting units are movably abutted against the top of the transparent support plate, and the laser emitting units emit light downward.

[0009] By adopting the above technical solution, the laser radiating unit can be flexibly moved on the transparent support plate to adapt to the positioning of brackets of different sizes. The adjustment can be completed by moving the laser emitting unit. There is no need for personnel to suspend the operation, thus ensuring the safety of personnel during construction. At the same time, the construction is not easily affected by environmental factors.

[0010] Preferably, the light source reflection structure includes a reflection plane and a light shield, the reflection plane is slidably connected to the sliding bracket and is lifted and lowered below the transparent support plate, the reflection plane is inclined toward the side wall of the T-beam and one side of the transparent support plate; the light shield is sleeved above the reflection plane, and the light shield is open toward one side of the transparent support plate and one side of the T-beam side wall.

[0011] By adopting the above technical solution, the reflective plane is used in conjunction with the sunshade, and the sunshade can play multiple roles. It can prevent the reflective plane from reflecting glare on sunny days and protect the reflective plane from damage during storage.

[0012] Preferably, the positioning bracket includes a positioning hook, an extension rod and a clamping screw, the positioning hook is hooked on the edge of the T-beam; the extension rod is fixed to the positioning hook and extends downward along the edge of the T-beam; the clamping screw is threaded on the positioning hook and abuts against the side of the T-beam edge opposite to the extension rod.

[0013] Preferably, the sliding bracket includes a top sliding rod, a top slider and a bottom sliding rod, the top sliding rod extends along the T-beam and is fixed to the positioning hook; the top slider slides along the top sliding rod, and the transparent support plate and the periscope are respectively fixed to the top slider; the bottom sliding rod is lifted and connected to the extension rod and extends along the direction of the top sliding rod, and the reflecting plane is slidably connected to the bottom sliding rod.

[0014] Preferably, a lifting structure is provided on the reflecting plane, the lifting structure includes a driving motor, a driving screw and a lifting bracket, the driving motor is fixed to the top slider; the driving screw is coaxially fixed to the output shaft of the driving motor and extends downward, and the reflecting plane is screwed to the driving screw; the lifting bracket is lifted and connected to the extension rod, and the bottom sliding rod is fixed to the lifting bracket.

[0015] In summary, the present application includes at least one of the following beneficial technical effects:

[0016] The positioning point can be easily changed through the positioning bracket and the sliding bracket, so that the personnel do not need to suspend the work, and the adjustment work can be carried out efficiently. The laser emission unit cooperates with the light source reflection structure to enable the construction personnel to turn the angle and perform the layout work on the side wall of the T-beam at any distance. The periscope is used to avoid the body from sticking out of the beam surface, thereby further protecting the personal safety of the construction personnel.

[0017] The laser emitting unit can be flexibly moved on the transparent support plate to adapt to the positioning of brackets of different sizes. The adjustment can be completed by moving the laser emitting unit. There is no need for personnel to suspend the work, which ensures the safety of personnel during construction. At the same time, the construction is not easily affected by environmental factors.

[0018] The reflective plane is used in conjunction with a sunshade, which can play multiple roles. It can prevent the reflective plane from reflecting glare on sunny days and protect the reflective plane from damage during storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of an embodiment of the present application;

[0020] Figure 2 It is a cross-sectional view showing the reflection plane according to an embodiment of the present application.

[0021] Explanation of the reference numerals: 1. Positioning bracket; 11. Positioning hook; 12. Extension rod; 13. Clamping screw; 2. Sliding bracket; 21. Top sliding rod; 22. Top slider; 23. Bottom sliding rod; 3. Laser emitting structure; 31. Transparent support plate; 32. Laser emitting unit; 4. Periscope; 5. Light source reflecting structure; 51. Reflecting plane; 52. Light shield; 6. Lifting structure; 61. Driving motor; 62. Driving screw; 63. Lifting bracket. DETAILED DESCRIPTION

[0022] The present application is further described in detail below in conjunction with the accompanying drawings.

[0023] The present application embodiment discloses a bridge steel support drilling positioning device, referring to Figure 1 , 2 , including a positioning bracket 1 fixed to the edge of the T-beam and extending downward, the positioning bracket 1 includes a positioning hook 11, an extension rod 12 and a clamping screw 13, the positioning hook 11 is hung on the edge of the T-beam; the extension rod 12 is fixed to the positioning hook 11 and extends downward along the edge of the T-beam; the clamping screw 13 is screwed to the positioning hook 11 and abuts against the side of the T-beam edge opposite to the extension rod 12, so that the extension rod 12 is positioned at the edge of the T-beam and the extension rod 12 is kept vertical.

[0024] Reference Figure 1 , 2 A sliding bracket 2 is provided on the positioning hook 11 and the extension rod 12. The sliding bracket 2 includes a top sliding rod 21, a top slider 22 and a bottom sliding rod 23. The top sliding rod 21 extends along the T-beam and is fixed to the positioning hook 11; the top slider 22 slides along the top sliding rod 21; the bottom sliding rod 23 is connected to the extension rod 12 through a lifting structure 6 and extends along the direction of the top sliding rod 21.

[0025] Reference Figure 1 ,2 The lifting structure 6 includes a driving motor 61, a driving screw 62 and a lifting bracket 63. The driving motor 61 is fixed to the top slider 22; the driving screw 62 is coaxially fixed to the output shaft of the driving motor 61 and extends downward, the lifting bracket 63 is connected to the extension rod 12 for lifting, and the bottom sliding rod 23 is fixed to the lifting bracket 63; the driving screw 62 is screwed with a light source reflecting structure 5 that slides along the top sliding rod 21.

[0026] Reference Figure 1 , 2 The light source reflecting structure 5 lays out the T-beam by reflecting the light source of the laser emitting structure 3. The laser emitting structure 3 includes a transparent supporting plate 31 and a laser emitting unit 32. The transparent supporting plate 31 is horizontally arranged and fixed to the top slider 22; the laser emitting units 32 are movably abutted against the top of the transparent supporting plate 31, and the laser emitting units 32 emit light downward.

[0027] Reference Figure 1 , 2 The light source reflection structure 5 includes a reflection plane 51 and a light shield 52. The reflection plane 51 is tilted toward the side wall of the T-beam and the transparent support plate 31. The reflection plane 51 is slidably connected to the bottom sliding rod 23, and the reflection plane 51 is screwed to the driving screw 62. The light shield 52 is sleeved above the reflection plane 51, and the light shield 52 is open toward the transparent support plate 31 and the side wall of the T-beam, so as to prevent the sunlight from being reflected by the reflection plane 51 and causing glare.

[0028] Reference Figure 1 , 2 A periscope 4 is fixed on the top slider 22, and the periscope 4 extends above the T-beam and between the side walls of the T-beam.

[0029] The working process of the present application is as follows: the positioning hook 11 is hung on the edge of the T-beam, the extension rod 12 is set vertically by adjusting the clamping screw 13, and the spacing between the laser emitting units 32 is adjusted to reach a predetermined width, and then the lateral position is adjusted by adjusting the top slider 22, and the driving motor 61 is controlled so that the driving screw 62 drives the reflecting plane 51 to rise and fall to adjust the height. The laser of the laser emitting unit 32 is reflected on the side wall of the T-beam through the reflecting plane 51. At the same time, the construction personnel can observe the edge of the T-beam through the periscope 4 to check whether the layout result is appropriate.

[0030] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A drilling and positioning device for a bridge steel support, comprising a positioning support (1) fixed to the edge of a T-beam and extending downward, characterized in that: The positioning bracket (1) is laterally slidably connected to the sliding bracket (2); a laser emitting structure (3) is provided at the top of the sliding bracket (2); and a light source reflecting structure (5) is provided at the bottom thereof and is arranged obliquely toward the side wall of the T-beam and the laser emitting structure (3); the light source reflecting structure (5) is connected to the laser emitting structure (3) in a lifting manner; and a periscope (4) is provided between the top of the T-beam and the side wall of the T-beam.

2. A bridge steel support drilling and positioning device according to claim 1, characterized in that: The laser emitting structure (3) comprises a transparent support plate (31) and a laser emitting unit (32); the transparent support plate (31) is horizontally arranged and fixed to the sliding bracket (2); the laser emitting units (32) are movably abutted against the top of the transparent support plate (31), and the laser emitting units (32) emit light downward.

3. A bridge steel support drilling and positioning device according to claim 2, characterized in that: The light source reflection structure (5) comprises a reflection plane (51) and a light shield (52); the reflection plane (51) is slidably connected to the sliding bracket (2) and is lifted and lowered below the transparent support plate (31); the reflection plane (51) is tilted toward the side wall of the T-beam and one side of the transparent support plate (31); the light shield (52) is sleeved above the reflection plane (51), and the light shield (52) is open toward one side of the transparent support plate (31) and toward one side of the side wall of the T-beam.

4. A bridge steel support drilling and positioning device according to claim 3, characterized in that: The positioning bracket (1) comprises a positioning hook (11), an extension rod (12) and a clamping screw (13); the positioning hook (11) is hooked on the edge of a T-shaped beam; the extension rod (12) is fixed to the positioning hook (11) and extends downward along the edge of the T-shaped beam; the clamping screw (13) is screwed to the positioning hook (11) and abuts against a side of the T-shaped beam edge opposite to the extension rod (12).

5. A bridge steel support drilling and positioning device according to claim 4, characterized in that: The sliding bracket (2) comprises a top sliding rod (21), a top sliding block (22) and a bottom sliding rod (23); the top sliding rod (21) extends along the T-beam and is fixed to the positioning hook (11); the top sliding block (22) slides along the top sliding rod (21); the transparent support plate (31) and the periscope (4) are respectively fixed to the top sliding block (22); the bottom sliding rod (23) is connected to the extension rod (12) in a lifting manner and extends in the direction of the top sliding rod (21); the reflection plane (51) is slidably connected to the bottom sliding rod (23).

6. A bridge steel support drilling and positioning device according to claim 5, characterized in that: The reflecting plane (51) is provided with a lifting structure (6), the lifting structure (6) comprising a driving motor (61), a driving screw rod (62) and a lifting bracket (63), the driving motor (61) being fixed to the top slider (22); the driving screw rod (62) being coaxially fixed to the output shaft of the driving motor (61) and extending downward, the reflecting plane (51) being screwed to the driving screw rod (62); the lifting bracket (63) being liftingly connected to the extension rod (12), and the bottom sliding rod (23) being fixed to the lifting bracket (63).

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