Beam surface secondary distribution box mounting device for double-breadth continuous beam

Abstract

The utility model relates to the technical field of continuous beam construction, and particularly discloses a beam surface secondary distribution box mounting device for a double-width continuous beam. The device comprises a device body, the device body comprises a device bottom frame arranged between a left box girder and a right box girder and used for bearing a secondary distribution box, the device bottom frame comprises a horizontally-arranged rectangular steel pipe frame, supporting legs are vertically arranged at the four corners of the steel pipe frame respectively, and a device bottom plate made of fireproof polyvinyl chloride plates is arranged above the steel pipe frame; a placement surface is formed above the device bottom plate, and the secondary distribution box is located on the placement surface. The device underframe arranged between the left box girder and the right box girder is used for bearing the second-level distribution box, the second-level distribution box originally arranged on the girder surface can be moved to the position between the left box girder and the right box girder, occupied space of the girder surface is reduced, and a third-level distribution box is led out more conveniently through follow-up wiring.

Description

TECHNICAL FIELD

[0001] The utility model relates to continuous beam construction technical field, concretely relates to a two -wide continuous beam beam surface secondary distribution box mounting device. BACKGROUND

[0002] In current highway, national and provincial trunk line engineering project design, generally adopt two -wide mode, bridge engineering generally adopts separation type design, in bridge construction, temporary power supply adopts three -level power supply two -level protection mechanism, the first distribution box is usually the special distribution box (transformer) responsible for installation by the power supply department, the secondary distribution box is as the structure of the communication first, three -level distribution box. In the construction process of two -wide construction prestressed continuous box girder, the working surface is located in the left and right continuous beam beam surface, and the traditional secondary distribution box is generally directly arranged on the beam surface, and then the power is introduced into the left and right continuous beam beam surface through the three -level distribution box, but the space of the beam surface is limited, and the setting and fixing of the cable and the distribution box are complex, which greatly affects the construction efficiency. UTILITY MODEL CONTENTS

[0003] The utility model provides a two -wide continuous beam beam surface secondary distribution box mounting device, it can overcome certain or some defects of prior art.

[0004] According to the two -wide continuous beam beam surface secondary distribution box mounting device of the utility model, it includes the device body, the device body includes the device base frame for bearing secondary distribution box between the left and right two box girders, the device base frame includes the rectangular steel pipe frame arranged horizontally, the steel pipe frame four corners are vertically provided with the support leg respectively, the device base plate made of fire -resistant polyvinyl chloride board is arranged above the steel pipe frame, the placing surface is formed above the device base plate, and the secondary distribution box is located on the placing surface.

[0005] Through the utility model, the device base frame between the left and right two box girders is used to bear the secondary distribution box, the secondary distribution box originally arranged on the beam surface can be moved between the left and right two box girders, the occupation of the beam surface space is reduced, and subsequent wiring leads out the three -level distribution box more conveniently;The device base frame adopts the rectangular steel pipe frame, has higher structural strength and stability, can ensure the safe bearing of the secondary distribution box;The support leg vertically arranged at the four corners can be conveniently fixed between the left and right two box girders, and the installation process is simplified, and installation is facilitated;The device base plate is made of fire -resistant polyvinyl chloride board, effectively improves the fire -resistant performance of the device, and ensures the operation safety of the secondary distribution box;The placing surface formed above the device base plate provides a stable work platform for the secondary distribution box, and the maintenance and overhaul of the staff are facilitated.

[0006] As preferred, the device base frame is provided with a protection frame for protecting the distribution box, the protection frame includes a plurality of protection steel pipes vertically and uniformly welded along the periphery of the steel pipe frame, and a rain cover plate consistent with the shape of the steel pipe frame is welded at the top end of the protection steel pipe.

[0007] By the utility model, the protection steel pipe is welded along the four sides of the steel pipe frame evenly, the structure of the protection frame is strengthened, and additional safety is provided for personnel and the secondary distribution box; the rain cover plate welded at the top of the protection steel pipe is consistent with the shape of the frame, can effectively shield rainwater and prevent high-altitude falling objects from causing damage to personnel and equipment, and has good protection effect.

[0008] As preferred, the protection frame is symmetrically provided with a leaf door for entering and exiting the protection frame near the two sides of the left and right box girders.

[0009] Through the utility model, the symmetrically arranged leaf door can enable the construction personnel to enter the inside of the protection frame regardless of which side of the left and right box girders, and facilitates maintenance; the setting of the password lock provides an additional safety measure to prevent unauthorized personnel from entering the protection frame at will, and improves safety.

[0010] As preferred, the protection frame is also symmetrically provided with a rectangular window near the two sides of the left and right box girders, and a fire-fighting equipment box can be opened from the outside is embedded in the rectangular window.

[0011] Through the utility model, the fire-fighting equipment box is embedded in the protection frame, which can provide a storage space for fire-fighting equipment without affecting the overall safety of the protection frame, ensure the safe storage and use of the fire-fighting equipment, and in the case of an emergency such as a fire, the external personnel can quickly open the fire-fighting equipment box and obtain the fire-fighting equipment, which is helpful for rapid response and initial fire extinguishing; the window design embedded with the fire-fighting equipment box makes the management and maintenance of the fire-fighting equipment more convenient, and the management personnel can regularly check and replace the fire-fighting equipment to ensure that it is in good working condition.

[0012] As preferred, the device body further comprises a ladder stand oppositely arranged on the top surfaces of the left and right box girders, and the ladder stand is connected with the supporting leg through a connecting assembly.

[0013] Through the utility model, the setting of the ladder stand enables the working personnel to quickly and conveniently reach the top of the device base frame to perform maintenance, inspection or other operations, thereby improving work efficiency; the connecting assembly ensures the stability and safety of the ladder stand, and reduces the risk of accidents during work; the connecting assembly is designed to be detachable, which facilitates subsequent position replacement as the bridge advances.

[0014] As preferred, the device base frame is connected with the crash barrier reinforcement through a connecting assembly.

[0015] Through the utility model, the crash barrier reinforcement has high strength as a permanent embedded structure on the beam surface, and the design of the connecting assembly ensures the stable connection between the base frame and the crash barrier reinforcement, thereby improving the stability and safety of the entire structure.

[0016] As preferred, the connecting assembly comprises a fastening bolt in U shape, the fastening bolt is provided with external threads at both ends and a fastening nut threadedly connected with the fastening bolt.

[0017] By the utility model, the fastening bolt in U shape can provide stable support and connection, ensure the stability of the connecting assembly connection, and prevent loosening; the design of the external threads makes the fastening nut easy to screw in and out, facilitating the installation and disassembly of the connecting assembly.

[0018] As preferred, the device body further comprises a grounding member for grounding, the grounding member comprises a copper bolt provided on the device bottom plate, the copper bolt is provided with copper wires at both ends, one end of the copper wire is connected with the distribution box, and the other end is provided with a conductive column placed on the beam surface.

[0019] By the utility model, the copper bolt, the copper wire and the conductive column all have good conductivity, which can ensure the reliability and effectiveness of the grounding connection, reduce the grounding resistance, and improve the grounding effect; the copper material also has strong corrosion resistance, and can maintain stable performance in the environment, prolonging the service life of the grounding member. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic view of the double-width continuous beam surface secondary distribution box installation device;

[0021] Figure 2 It is a schematic view of the device bottom frame from the top;

[0022] Figure 3 It is a schematic view of the device bottom frame from the side;

[0023] Figure 4 It is a schematic view of the double-width continuous beam surface secondary distribution box installation device from the front;

[0024] Figure 5 It is a schematic view of the connecting assembly;

[0025] Figure 6 It is a schematic view of the grounding member. DETAILED DESCRIPTION

[0026] In order to further understand the content of the utility model, the utility model is described in detail in combination with the embodiments. It should be understood that the embodiments are only used to explain the utility model and are not limited.

[0027] Embodiment 1

[0028] As Figures 1-6As shown, the embodiment provides a double-width continuous beam surface secondary distribution box mounting device, which comprises a device body 100, the device body 100 comprises a device chassis 130 arranged between the left and right two box beams 110 for carrying the secondary distribution box 120, the device chassis 130 comprises a horizontally arranged rectangular steel pipe frame 210, the steel pipe frame 210 is vertically provided with a support leg 220 at each corner, and the steel pipe frame 210 is provided with a device bottom plate 230 made of a fireproof polyvinyl chloride plate above the steel pipe frame 210. A placing surface 240 is formed above the device bottom plate 230, and the secondary distribution box 120 is located on the placing surface 240.

[0029] Through the embodiment, the device chassis 130 arranged between the left and right two box beams 110 is used to carry the secondary distribution box 120, which can move the secondary distribution box 120 originally arranged on the beam surface to between the left and right two box beams 110, reduce the occupation of the beam surface space, and make it more convenient for subsequent wiring to lead out the tertiary distribution box; the device chassis 130 adopts the rectangular steel pipe frame 210, which has high structural strength and stability, and can ensure the safe carrying of the secondary distribution box 120; the support leg 220 vertically arranged at the four corners can be conveniently fixed between the left and right two box beams 110, and at the same time, the installation process is simplified, and the installation is facilitated; the device bottom plate 230 is made of a fireproof polyvinyl chloride plate, which effectively improves the fireproof performance of the device and ensures the safe operation of the secondary distribution box 120; the placing surface 240 formed above the device bottom plate 230 provides a stable working platform for the secondary distribution box 120, which is convenient for maintenance and repair by the staff.

[0030] In the embodiment, a protective frame 140 for protecting the distribution box 120 is arranged above the device chassis 130, the protective frame 140 comprises a plurality of protective steel pipes 141 vertically and uniformly welded along the periphery of the steel pipe frame 210, and a rain cover plate 142 consistent in shape with the steel pipe frame 210 is welded at the top end of the protective steel pipe 141.

[0031] Through the embodiment, the protective steel pipes 141 are uniformly welded along the periphery of the steel pipe frame 210, so that the structure of the protective frame 140 is strengthened, and additional safety protection is provided for personnel and the secondary distribution box 120; the rain cover plate 142 welded at the top end of the protective steel pipe 141 is consistent in shape with the frame, which can effectively block rainwater and prevent high-altitude falling objects from causing damage to personnel and equipment, and has good protection effect.

[0032] In the embodiment, the protective frame 140 is symmetrically provided with a hinged door 310 for entering and exiting the protective frame 140 near the two sides of the left and right two box beams 110, and a password lock 320 is arranged on the hinged door 310.

[0033] Through the embodiment, the symmetrically arranged hinged door 310 can enable the construction personnel to enter the inside of the protective frame 140 from either side of the two box girders 110, facilitating the maintenance; the arrangement of the password lock 320 provides an additional safety measure to prevent unauthorized personnel from entering the protective frame 140 at will, improving the safety.

[0034] In the embodiment, the protective frame 140 is also symmetrically provided with a rectangular window 330 near the two sides of the two box girders 110, and a fire-fighting equipment box 340 that can be opened from the outside is embedded in the rectangular window 330.

[0035] Through the embodiment, embedding the fire-fighting equipment box 340 in the protective frame 140 can provide a storage space for the fire-fighting equipment without affecting the overall safety of the protective frame 140, ensuring the safe storage and use of the fire-fighting equipment. In an emergency situation such as a fire, external personnel can quickly open the fire-fighting equipment box 340 to obtain the fire-fighting equipment, which helps to quickly respond and extinguish the initial fire. The window design with the embedded fire-fighting equipment box 340 makes it more convenient to manage and maintain the fire-fighting equipment, and the management personnel can regularly check and replace the fire-fighting equipment to ensure that it is in good working condition.

[0036] In the embodiment, the device body 100 also includes a climbing ladder 150 oppositely arranged on the top surfaces of the two box girders 110, and the climbing ladder 150 is connected with the support leg 220 through a connecting assembly 160.

[0037] Through the embodiment, the arrangement of the climbing ladder 150 enables the workers to quickly and conveniently reach the top of the device base frame 130 for maintenance, inspection or other work, thereby improving the work efficiency; the connecting assembly 160 ensures the stability and safety of the climbing ladder 150, reducing the risk of accidents during work; the connecting assembly 160 is designed to be detachable, which facilitates the replacement of the subsequent position as the bridge advances.

[0038] In the embodiment, the device base frame 130 is connected with the crash barrier reinforcement 180 through a connecting assembly 160.

[0039] Through the embodiment, the crash barrier reinforcement 180 has high strength as a permanent embedded structure on the beam surface, and the design of the connecting assembly 160 ensures the stable connection between the base frame and the crash barrier reinforcement 180, improving the stability and safety of the entire structure.

[0040] In the embodiment, the connecting assembly 160 includes a U-shaped fastening bolt 161, and the fastening bolt 161 is provided with external threads at both ends and a fastening nut 162 threadedly connected with the fastening bolt 161.

[0041] Through the embodiment, the U-shaped fastening bolt 161 can provide stable support and connection, ensure the stability of the connection assembly 160, and prevent loosening.

[0042] In the embodiment, the device body 100 further comprises a grounding member 170 for grounding, the grounding member 170 comprising a copper bolt 171 arranged on the device bottom plate 230, the copper bolt 171 being provided with copper wires 172 at both ends, one end of the copper wires 172 being connected to the distribution box 120, and the other end being provided with a conductive column 173 placed on the beam surface.

[0043] Through the embodiment, the copper bolt 171, the copper wires 172 and the conductive column 173 all have good conductivity, which can ensure the reliability and effectiveness of the grounding connection, reduce the grounding resistance, and improve the grounding effect; the copper material also has strong corrosion resistance and can maintain stable performance in the environment, thereby prolonging the service life of the grounding member 170.

[0044] It is easy to understand that, based on one or more embodiments provided in the present application, other embodiments can be obtained by combining, splitting, recombining, etc. of the embodiments of the present application, and these embodiments do not exceed the protection scope of the present application.

[0045] The above describes the present application and its embodiments in a schematic manner, and the description is not restrictive, and the embodiments shown are only part of the embodiments of the present application, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by the present application, without departing from the spirit of the present application, similar structural modes and embodiments can be designed without creativity, which should belong to the protection scope of the present application.

Claims

1. A secondary distribution box installation device for a double-span continuous beam surface, characterized in that: The device body (100) comprises a device chassis (130) arranged between the left and right box girders (110) for carrying the secondary distribution box (120), the device chassis (130) comprises a horizontally arranged rectangular steel pipe frame (210), the steel pipe frame (210) is vertically provided with a support leg (220) at each corner, the steel pipe frame (210) is provided with a device bottom plate (230) made of fireproof polyvinyl chloride plate above, the device bottom plate (230) is provided with a placing surface (240) above, and the secondary distribution box (120) is located on the placing surface (240).

2. The dual-width continuous beam face secondary distribution box mounting device of claim 1, wherein: The device chassis (130) is provided with a protection frame (140) above for protecting the distribution box (120), the protection frame (140) comprises a plurality of protection steel pipes (141) which are vertically and uniformly welded along the periphery of the steel pipe frame (210), and the top end of the protection steel pipe (141) is welded with a rain cover plate (142) consistent with the shape of the steel pipe frame (210).

3. The dual-width continuous beam face secondary electrical box mounting device of claim 2, wherein: The protection frame (140) is symmetrically provided with a leaf door (310) for entering and leaving the protection frame (140) near the two sides of the left and right box girders (110), and the leaf door (310) is provided with a password lock (320).

4. The dual-width continuous beam face secondary electrical box mounting device of claim 2, wherein: The protection frame (140) is also symmetrically provided with a rectangular window (330) near the two sides of the left and right box girders (110), and the rectangular window (330) is embedded with a fire-fighting equipment box (340) which can be opened from the outside.

5. The dual-width continuous beam face secondary electrical box mounting device of claim 1, wherein: The device body (100) further comprises a climbing ladder (150) oppositely arranged on the top surface of the left and right box girders (110), and the climbing ladder (150) is connected with the support leg (220) through a connecting assembly (160).

6. The dual-width continuous beam face secondary electrical box mounting device of claim 1, wherein: The device chassis (130) is connected with the anti-collision guardrail steel bar (180) through a connecting assembly (160).

7. The dual-width continuous beam face secondary distribution box mounting device of claim 5 or 6, wherein: The connecting assembly (160) comprises a U-shaped fastening bolt (161), and the two ends of the fastening bolt (161) are provided with external threads and a fastening nut (162) threadedly connected with the fastening bolt (161).

8. The dual-width continuous beam face secondary electrical box mounting device of claim 1, wherein: The device body (100) further comprises a grounding member (170) for grounding, and the grounding member (170) comprises a copper bolt (171) arranged on the device bottom plate (230), and copper wires (172) are arranged at both ends of the copper bolt (171), one end of the copper wire (172) is connected with the distribution box (120), and the other end is provided with a conductive column (173) placed on the beam surface.

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