CN218951991U - Pier kuppe water installation platform - Google Patents

Abstract

The utility model discloses a pier air guide sleeve water installation platform which comprises a platform body with a U-shaped structure, wherein the platform body is formed by horizontally splicing a plurality of frame units with rectangular structures, and each frame unit consists of a rectangular frame, a pontoon and a horizontal pedal; the four corners of each rectangular frame are provided with connecting lugs, and two adjacent rectangular frames are connected into a whole through connecting pins penetrating through the connecting lugs; the outer side edge of the platform body is provided with a protective fence, four corners of the platform body are provided with traction steel ropes with outer ends anchored at two sides of a river channel; a pair of adjusting channels fixed on the horizontal pedal are arranged on the top surface of the platform body in parallel along the length direction, and a plurality of groups of portal frames are arranged in the two adjusting channels in a crossing mode. The utility model has the advantages that the utility model is convenient for factory prefabrication and processing, and is convenient for reasonable splicing according to the concrete form of the bridge pier on site; greatly reduces the installation difficulty of the guide cover and easily realizes the construction operation of the guide cover on the water surface.

Description

Pier kuppe water installation platform

Technical Field

The utility model relates to the technical field of construction of waterborne bridges, in particular to a waterborne mounting platform for a pier guide cover.

Background

When the water bridge is designed, the bridge pier is generally in a cylindrical shape, and when the flow speed of water is high, vortex flow can be generated in the front and back of the bridge pier. In order to reduce vortex and improve water flow state, a guide cover is often additionally arranged on the bridge pier; the air guide sleeve is similar to a fish shape in appearance, the head part has the functions of dividing water and reducing the impact force of water flow, the middle part wraps each pier, and the tail part has the function of reducing vortex; after the guide cover is installed, the resistance of the pier can be smaller, so that the guide cover is generally fixed on the pier, and the guide cover needs to be directly operated on the water surface during assembly. Because the flow impact force received by the guide cover and the working platform in the installation process has uncertainty, the whole working platform in the installation process is not allowed to anchor by taking the bridge pier, and the guide cover is not allowed to be lifted by taking the bridge pier as a fulcrum, so that the installation difficulty of the guide cover is greatly increased.

Disclosure of Invention

The utility model aims to provide a pier air guide sleeve water installation platform.

In order to achieve the above purpose, the present utility model may adopt the following technical scheme:

the pier air guide sleeve water installation platform comprises a platform body with a U-shaped structure, wherein the platform body is formed by horizontally splicing a plurality of frame units with rectangular structures, and each frame unit consists of a rectangular frame, pontoons densely distributed in the rectangular frame and horizontal pedals laid on the top surface of the rectangular frame; the four corners of each rectangular frame are provided with connecting lugs, and two adjacent rectangular frames are connected into a whole through connecting pins penetrating through the connecting lugs; the outer side edge of the platform body is provided with a protective fence which is vertically and fixedly connected to the horizontal pedal, four corners of the platform body are provided with traction steel ropes with outer ends anchored at two sides of a river channel; a pair of adjusting channels fixed on the horizontal pedal are arranged on the top surface of the platform body in parallel along the length direction, and a plurality of groups of portal frames are arranged in the two adjusting channels in a crossing manner.

The utility model has the advantages that the platform body is formed by horizontally splicing the frame units with rectangular structures, and the splicing part adopts the splicing mode of the connecting lugs and the connecting pins, thereby not only facilitating the prefabrication processing of factories, but also facilitating the reasonable splicing on site according to the concrete form of bridge pier columns, ensuring the integral rigidity of the spliced platform body, and simultaneously being convenient for the actual operation on site and the construction of pier fairings on which subsequent workers stand; meanwhile, the buoys densely distributed in the rectangular frame not only can ensure the buoyancy of the whole platform body, but also can easily increase and decrease the buoys according to actual needs, thereby improving the buoyancy controllability of the whole installation platform; in addition, the portal frame is erected in the adjusting channel which is arranged on the horizontal pedal of the platform body in parallel, the guide cover can be lifted by using the portal frame, the guide cover is prevented from being lifted by taking the bridge pier as a fulcrum, the installation difficulty of the guide cover is greatly reduced, and the construction operation of the guide cover on the water surface is easily realized.

Further, a safety channel with the outer end lapped on a river channel on one side is arranged on the outer side edge of the platform body, so that constructors can conveniently go up and down the platform body.

Furthermore, because the platform body of the U-shaped structure is wound on the outer side of the bridge pier during actual construction, anti-collision pads are uniformly distributed on the inner side edge of the platform body so as to prevent the platform body from colliding with the bridge pier when floating on the water surface.

Furthermore, life-buoy is evenly distributed on the protective fence.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic plan view of the river course of fig. 1.

Fig. 3 is an enlarged view of the direction a of fig. 1 (hidden bridge pier).

Fig. 4 is an enlarged view of the section I in fig. 1.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In addition, in the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1-4, the pier pod water installation platform of the utility model comprises a platform body with a U-shaped structure formed by horizontally splicing a plurality of frame units 1 with rectangular structures, and the platform body is spliced into the U-shaped structure, so that a cavity with one open end is formed in the middle of the platform body, and the platform body can be easily wound on the outer side of a bridge pier column.

Specifically, each frame unit 1 is composed of a rectangular frame 1.1, pontoons 1.2 densely distributed in the rectangular frame 1.1, and a horizontal pedal 1.3 paved on the top surface of the rectangular frame 1.1; the rectangular frames 1.1 are formed by welding angle steel, the horizontal pedals 1.3 are directly welded on the rectangular frames 1.1 by adopting pattern steel plates, the pontoons 1.2 can adopt polyethylene barrels with the diameter of 600mm and the length of 900mm, polystyrene foam can be filled in the barrels, the weight of each pontoon is less than 10kg, 230kg buoyancy can be provided, the size of each rectangular frame 1.1 ensures that 16 pontoons can be closely arranged in the rectangular frames, and each frame unit 1 can provide about 3300kg buoyancy.

In order to facilitate the connection between two adjacent frame units 1, as shown in fig. 4, the four corners of the top surface and the four corners of the bottom surface of each rectangular frame 1.1 are respectively provided with a connecting lug 2, and the two adjacent rectangular frames 1 are connected into a whole through connecting pins 3 penetrating through the connecting lugs 2. In addition, still be provided with the protection rail 4 of perpendicular fixedly connected to on the horizontal footboard 1.3 on the outside border of the platform body of U-shaped structure, the height of protection rail 4 is generally between 1000~1200mm to equipartition a plurality of life buoy 5 on protection rail 4, thereby form the protection to the staff who stands on horizontal footboard 1.3 and carry out bridge pier nose dome construction, prevent that it from falling into water, and in case someone falls into water can also in time take off life buoy 5 and throw out and rescue.

Because constructor is when carrying out bridge pier kuppe construction, the platform body floats on the surface of water, consequently, in order to prevent that the platform body from floating the removal, as shown in fig. 2, still need set up the outer end of outer end anchor in the traction steel cable 6 in river course both sides in the four corners department of platform body, pull fixed platform body through traction steel cable 6 to make the horizontal displacement distance of platform body in each direction be less than 100mm, prevent that the platform body from floating the removal. Of course, nylon blocking and floating ropes 7 and steel wire rope blocking and floating ropes 8 can be arranged at the downstream of the river course, the nylon blocking and floating ropes 7 are positioned at the side close to the platform body and used for preventing personnel from falling into water and being washed away by water flow, and the steel wire rope blocking and floating ropes 8 are positioned at the side far away from the platform body and used for intercepting the traction steel ropes 6 when the traction steel ropes break accidentally and the platform body floats, so that the platform body is prevented from drifting along water and impacting coastal facilities.

In addition, because the guide cover needs to be lifted when the bridge pier column guide cover is constructed on the platform body, in order to avoid taking the bridge pier as a fulcrum for lifting, a pair of adjusting channels 9 fixed on the horizontal pedal 1.3 are arranged on the top surface of the platform body in parallel along the length direction, and a plurality of groups of portal frames 10 used for lifting the guide cover are arranged in the two adjusting channels 9 in a crossing manner, so that a manual winch is arranged on the portal frames 10 for lifting the guide cover, and meanwhile, the two adjusting channels 9 fixed on the horizontal pedal 1.3 can further fix each frame unit 1 spliced together, thereby enhancing the integral rigidity of the platform body.

Furthermore, since the bridge pier is often located in the river channel, a safety channel 11 with an outer end overlapping the river channel bank on one side is further required to be arranged on the outer side edge of the platform body for conveniently installing and removing the platform.

Furthermore, because the platform body of the U-shaped structure is wound on the outer side of the bridge pier column during actual construction, the anti-collision pads 12 can be uniformly distributed on the inner side edge of the platform body, and the anti-collision pads 12 can be directly made of tires and fixed on the inner side edge of the platform body so as to prevent the platform body from colliding with the bridge pier column when floating on the water surface.

Claims (4)

1. The utility model provides a pier kuppe mounting platform on water which characterized in that: the platform comprises a platform body with a U-shaped structure, wherein the platform body is formed by horizontally splicing a plurality of frame units with rectangular structures, and each frame unit consists of a rectangular frame, pontoons densely distributed in the rectangular frame and horizontal pedals laid on the top surface of the rectangular frame; the four corners of each rectangular frame are provided with connecting lugs, and two adjacent rectangular frames are connected into a whole through connecting pins penetrating through the connecting lugs; the outer side edge of the platform body is provided with a protective fence which is vertically and fixedly connected to the horizontal pedal, four corners of the platform body are provided with traction steel ropes with outer ends anchored at two sides of a river channel; a pair of adjusting channels fixed on the horizontal pedal are arranged on the top surface of the platform body in parallel along the length direction, and a plurality of groups of portal frames are arranged in the two adjusting channels in a crossing manner.

2. The pier pod waterborne mounting platform of claim 1, wherein: the outer side edge of the platform body is provided with a safety channel of which the outer end is lapped on a river channel at one side.

3. The pier pod waterborne mounting platform of claim 1, wherein: and anti-collision pads are uniformly distributed on the inner side edge of the platform body.

4. The pier pod waterborne mounting platform of claim 1, wherein: life-buoy is evenly distributed on the protective fence.

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