CN217923111U

CN217923111U - Simple floating construction platform

Info

Publication number: CN217923111U
Application number: CN202222093176.9U
Authority: CN
Inventors: 贾玲; 史辉
Original assignee: China 19th Metallurgical Group Co ltd
Current assignee: China 19th Metallurgical Group Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-11-29
Anticipated expiration: 2032-08-09

Abstract

The utility model relates to a bridge engineering construction technical field discloses a construction platform simply floats. The utility model discloses a construction platform simply floats, include the floating structure and set up the mounting structure on the floating structure, the floating structure includes two piece at least flotation pontoons, the flotation pontoon includes the shutoff board at body and sealed body both ends, the body adopts the diameter to be greater than 400 mm's steel pipe preparation, the mounting structure is for connecting the scaffold frame on the flotation pontoon, be provided with the springboard on the scaffold frame. This construction platform simply floats utilizes the on-the-spot steel-pipe pile unloading, and both ends utilize the shutoff board shutoff, can realize the on-the-spot preparation of flotation pontoon, and the construction platform who sets up scaffold frame and springboard constitution on the flotation pontoon, the scaffold frame can provide stable sufficient height, and its processing simple manufacture wholly utilizes the current material of job site, can be with on-the-spot preparation, convenient to use to the safe operation problem of the surface of water under the bridge is solved to economy, simple, swift mode.

Description

Simple floating construction platform

Technical Field

The utility model belongs to the technical field of the bridge engineering construction technique and specifically relates to a construction platform simply floats.

Background

Generally, the construction of a river-crossing bridge can not avoid overwater operation and transportation, a transport ship is adopted to transport personnel and materials conveniently and quickly under the common condition, but if the construction operation is carried out under the bridge, such as quality inspection and welding operation of any point under the bridge, a stable construction operation platform is needed, and the construction personnel can conveniently stand up and down.

Patent application with publication number CN206902697U discloses a construction platform floats in water, and it includes: the device comprises an underframe, guardrails, pedals and a floating pipe; the chassis includes a first operation region, a second operation region, and a connection region; the first operation area and the second operation area are connected to one side of the connection area at intervals; the guardrail is arranged around the periphery of the underframe and is vertical to the horizontal plane where the underframe is located in the vertical direction; the pedal is laid on the underframe; the floating pipe comprises a first floating pipe and a second floating pipe, the first floating pipe is fixedly connected below the first operation area of the underframe through an inclined strut, and the axial direction of the first floating pipe is parallel to the length direction of the first operation area; the second floats the pipe through bracing fixed connection in the below of the second operation district of chassis, and the axial direction of the second floats the pipe and is parallel with the length direction of second operation district.

When the underwater floating construction platform is applied to bridge construction, two problems mainly exist, firstly, the floating pipe needs to be purchased, more time is consumed, the temporary use problem is not solved, and secondly, the overall height is relatively low, and the under-bridge construction is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a simply float construction platform is provided, the on-the-spot preparation is swiftly, carried out simply to be convenient for.

The utility model discloses a construction platform simply floats, include the floating structure and set up the mounting structure on the floating structure, the floating structure includes two piece at least flotation pontoons, the flotation pontoon includes the shutoff board at body and sealed body both ends, the body adopts the diameter to be greater than 400 mm's steel pipe preparation, the mounting structure is for connecting the scaffold frame on the flotation pontoon, be provided with the springboard on the scaffold frame.

Preferably, each of the pontoons is arranged in parallel, the upper parts of the adjacent pontoons are connected by an upper connecting piece, the lower parts of the adjacent pontoons are connected by a lower connecting piece, and at least two upper connecting pieces and at least two lower connecting pieces are arranged in the axial direction of the pontoons.

Preferably, a bottom plate is erected on the upper connecting piece and supported by at least two upper connecting pieces, and the bottom plate blocks a gap between two adjacent buoys.

Preferably, the scaffold comprises at least two rows of vertical rods and at least two layers of horizontal rods, the horizontal rods are connected to the vertical rods, and the gangway is movably laid on the horizontal rods.

Preferably, the rows of the vertical rods of the scaffold are consistent with the number of the buoys, and each row of the vertical rods is correspondingly connected to the arc top of each buoy.

Preferably, the bottom of the scaffold is connected with a fixing piece for connecting the simple floating construction platform with the pier in the same way.

Preferably, the fixing member is a rope or an iron chain.

The beneficial effects of the utility model are that: this construction platform simply floats utilizes the on-the-spot steel-pipe pile unloading, and both ends utilize the shutoff board shutoff, can realize the on-the-spot preparation of flotation pontoon, and the construction platform who sets up scaffold frame and springboard constitution on the flotation pontoon, the scaffold frame can provide stable sufficient height, and its processing simple manufacture wholly utilizes the current material of job site, can be with on-the-spot preparation, convenient to use to the safe operation problem of the surface of water under the bridge is solved to economy, simple, swift mode.

Drawings

FIG. 1 is a front view of a simple floating construction platform;

FIG. 2 is a side view of the simple floating construction platform;

FIG. 3 is a top view of the simple floating construction platform;

fig. 4 is a schematic view of the use of the simple floating construction platform.

Reference numerals are as follows: buoy 1, closure plate 11, body 12, scaffold frame 2, pole setting 21, horizontal pole 22, springboard 3, bottom plate 4, lower part connecting piece 5, upper portion connecting piece 6, mounting 7, pier 8.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-3, the utility model discloses a construction platform simply floats, include floating structure and set up the mounting structure on floating structure, floating structure includes two piece at least flotation pontoons 1, flotation pontoons 1 includes the shutoff board 11 at body 12 and the sealed body 12 both ends, body 12 adopts the steel pipe preparation that the diameter is greater than 400mm, mounting structure is for connecting the scaffold frame 2 on flotation pontoon 1, be provided with springboard 3 on scaffold frame 2.

Wherein, the body 12 of flotation pontoon 1 adopts the steel pipe preparation that the diameter is greater than 400mm to ensure that it can provide sufficient buoyancy, the quantity of flotation pontoon 1 is two at least, guarantees to provide the stability of buoyancy. For example, on-site steel pipe piles or large-diameter steel pipes can be used as the plugging plates 11, and the plugging plates can be obtained very conveniently, the pipe body 12 and the plugging plates 11 can be connected in a welding mode, air tightness needs to be guaranteed during welding, the floating pontoon 1 is prevented from water inflow, the pipe body can be connected in a mode of matching a flange with a sealing ring, and machining and manufacturing are relatively complex. The mounting structure on the floating structure can directly adopt the scaffold 2 and the springboard 3 on site, the scaffold 2 and the springboard 3 are common materials on the construction site, and the height of the scaffold 2 can be selected according to the height of a bridge, so that the height is ensured to be suitable.

The specific arrangement of the buoys 1 can be designed according to requirements, such as parallel arrangement, quadrilateral arrangement, etc., in the preferred embodiment of the present application, each of the buoys 1 are arranged in parallel, the upper parts of adjacent buoys 1 are connected by upper connecting members 6, the lower parts of adjacent buoys 1 are connected by lower connecting members 5, and at least two upper connecting members 6 and at least two lower connecting members 5 are arranged along the axial direction of the buoys 1. Parallel arrangement's flotation pontoon 1 equipment is comparatively simple, and buoyancy distributes comparatively evenly, and in order to guarantee that flotation pontoon 1 rigidity each other, utilize upper portion connecting piece 6 and lower part connecting piece 5 to connect flotation pontoon 1's upper portion and lower part respectively, and do not rely on the installation on upper portion to connect, can guarantee to regard scaffold frame 2 as the mounting structure's of skeleton stability. The connecting piece can be made of steel pipes, profile steel and the like and is directly welded between the floating barrels 1. The upper connecting piece 6 and the lower connecting piece 5 are both arranged at least two along the axial direction of the buoy 1, because the buoy 1 is of a long structure, and a single connecting piece cannot realize stable fixation, so that the buoy 1 is easy to deflect. In order to ensure that the floating structure has enough space for workers to stand, a bottom plate 4 is lapped on the upper connecting piece 6, the bottom plate 4 is supported by at least two upper connecting pieces 6, and the bottom plate 4 blocks the gap between two adjacent buoys 1. At least two upper connecting pieces 6 are just used for stably setting up the bottom plate 4, and the bottom plate 4 can block the gap between the floating barrels 1, so that people are prevented from falling into water.

In the case of quality checks and welding operations under bridges, which often require operations at different heights, to better achieve this, the scaffolding 2 comprises at least two rows of uprights 21 and at least two levels of horizontal bars 22, the horizontal bars 22 being connected to the uprights 21, the ramp 3 being movably laid on the horizontal bars 22. By laying the springboard 3 on the horizontal rods 22 of different layers, the height of the springboard 3 can be adjusted, and then the height of the builder for standing is adjusted, so that construction is facilitated.

All loads on scaffold frame 2 all transmit to floating structure through pole setting 21, for the stability of pole setting 21 and the stability of float bowl 1 atress, the row number of pole setting 21 of scaffold frame 2 is unanimous with the number of float bowl 1, and each row of pole setting 21 corresponds and connects in the arc top of each float bowl 1 to make the load transmit the arc top of each float bowl 1 from pole setting 21, guarantee the equilibrium of float bowl 1 atress, and then guarantee holistic stability.

In order to prevent the simple floating construction platform from being washed away by water flow, the bottom of the scaffold 2 is connected with a fixing member 7 for connecting the simple floating construction platform with the pier 8 in the same way. The fixing member 7 is preferably made of a rope or an iron chain, and is directly bound to the pier 8 without additionally providing a connection point.

The following is a preferred embodiment of the present application.

1. As shown in fig. 1-3, the pipe body 12 of the buoy 1 is made of steel pipe piles phi 630 × 10 or DN500 × 8 in a construction site, the construction platform is made of two groups of steel pipe piles phi 630 × 10 with the length of 3m for 2-3 people to work simultaneously, and if the number of workers on the construction platform increases, the number of buoys 1 needs to be increased or the length needs to be increased.

2. And (3) sealing by adopting a welding method by taking steel plates (t =10 mm) at two ends of the buoy 1 as sealing plates 11.

3. Two groups of 3m long steel pipe piles with the diameter of 630 multiplied by 10 are connected together by using 6 steel pipes with the diameter of 48.3 multiplied by 3.6 as an upper connecting piece 6 and a lower connecting piece 5 in a welding mode. The size of the construction platform needs 2000mm multiplied by 1000mm to meet the requirement of simultaneous operation of 2-3 people. The length of the steel pipe with the diameter of 48.3 multiplied by 3.6 for connection is required to meet the size requirement of the construction platform.

4. Two steel plates are laid on the phi 48.3 multiplied by 3.6 steel pipes for connection as a bottom plate 4 and bound by iron wires.

5. Then, phi 48.3 multiplied by 3.6 steel pipes for the construction platform upright rods 21 are welded on the phi 630 multiplied by 10 buoy 1 of the steel pipe pile, the total length of the steel pipes is 6, the length of the steel pipes is 3m, and the length of the steel pipes can be increased or decreased according to the height of the bottom surface of the bridge.

6. The horizontal rods 22 are lapped, the horizontal rods 22 are made of phi 48.3 multiplied by 3.6 steel pipes with the lengths of 1200mm and 2400mm, fasteners are adopted for lapping, the spacing distance of each layer of the horizontal rods 22 is 500mm, and the horizontal rods can also be uniformly divided and adjusted according to the height.

7. After the horizontal rods 22 are lapped, three steel gangboards 3 on the operation platform are paved and bound by iron wires.

8. After the construction platform is manufactured and erected, the construction platform is placed on the water surface close to the bank by adopting a truck crane, and the floating condition, stability, safety and the like of the construction platform are checked. After the inspection is qualified, the floating condition, stability, safety and the like of the inspection are checked for 2-3 persons, and the inspection can be used after the inspection is qualified.

9. As shown in fig. 4, the floating construction platform is scribed to the construction position under the bridge by wood pulp, hemp ropes for the floating construction platform are fixed on the bridge piers 8, and then the constructors can go to the platform to perform related operations. During construction operation, preferably 2 persons stand on the scaffold 2, and one person is left on the buoy 1 below to stabilize the floating platform and monitor the periphery.

Claims

1. Simple and easy floating construction platform, including floating structure with set up the mounting structure on floating structure, its characterized in that, floating structure includes two piece at least flotation pontoon (1), flotation pontoon (1) are including body (12) and sealing tube body (12) closure plate (11) at both ends, body (12) adopt the diameter to be greater than 400 mm's steel pipe preparation, mounting structure is for connecting scaffold (2) on flotation pontoon (1), be provided with springboard (3) on scaffold (2).

2. The simple floating construction platform of claim 1, wherein: each flotation pontoon (1) parallel arrangement is connected through upper portion connecting piece (6) between the upper portion of adjacent flotation pontoon (1), is connected through lower part connecting piece (5) between the lower part of adjacent flotation pontoon (1), and is provided with two piece at least upper portion connecting pieces (6) and two piece at least lower part connecting pieces (5) along the axial arrangement of flotation pontoon (1).

3. The simple floating construction platform of claim 2, wherein: the floating pontoon structure is characterized in that a bottom plate (4) is erected on the upper connecting piece (6), the bottom plate (4) is supported by at least two upper connecting pieces (6), and the bottom plate (4) blocks a gap between two adjacent floating pontoons (1).

4. A simple floating construction platform as claimed in claim 1, 2 or 3, wherein: the scaffold (2) comprises at least two rows of upright rods (21) and at least two layers of horizontal rods (22), the horizontal rods (22) are connected to the upright rods (21), and the springboard (3) is movably laid on the horizontal rods (22).

5. The simple floating construction platform of claim 4, wherein: the row number of the upright rods (21) of the scaffold (2) is consistent with the number of the buoys (1), and the upright rods (21) in each row are correspondingly connected to the arc top of each buoy (1).

6. The simple floating construction platform of claim 1, wherein: the bottom of the scaffold (2) is connected with a fixing piece (7) which is used for connecting the simple floating construction platform with a pier (8) in the same way.

7. The simple floating construction platform of claim 6, wherein: the fixing piece (7) is a rope or an iron chain.