CN217517625U - Portable steel cofferdam construction platform - Google Patents

Abstract

A portable steel cofferdam construction platform relates to the field of steel cofferdam construction, and is installed on an existing structure, and comprises triangular supports, sidewalk boards and fences, wherein the number of the triangular supports is at least two, each triangular support comprises a horizontal rod, an oblique rod and a vertical rod, the horizontal rod is positioned at the upper end of the oblique rod, the ends of the horizontal rod and the oblique rod which are not connected are provided with an overhanging section, the overhanging section of the horizontal rod is detachably connected with the existing structure, and the overhanging section of the oblique rod is abutted against the existing structure; the sidewalk board is horizontally laid on the top surfaces of the plurality of horizontal rods; the fence is arranged around the periphery of the sidewalk plate. In the embodiment of the application, the horizon bar of tripod can be dismantled with existing structure and be connected, and the down tube holds the contact with supporting with existing structure, consequently, simple structure of the embodiment of the application is convenient for ann tears open, can repetitious utilization, improves the efficiency of construction greatly.

Description

Portable steel cofferdam construction platform

Technical Field

The application relates to the field of steel cofferdam construction, in particular to a portable steel cofferdam construction platform.

Background

The steel cofferdam is used as an indispensable large temporary structure in the foundation construction of the river-crossing and sea-crossing bridge, and is directly related to the construction efficiency of the bridge foundation. In the steel cofferdam work progress, involve high altitude, high risk operation on the water, in order to ensure construction safety, need with the help of construction platform, after the construction of steel cofferdam is accomplished, this construction platform needs demolish, and prior art often welds construction platform and existing structure, treats that the construction of steel cofferdam is accomplished the back, demolishs the cutting of construction platform main part, can lead to the unable reuse of construction platform.

Disclosure of Invention

The embodiment of the application provides a portable steel cofferdam construction platform to in solving the steel cofferdam work progress, the construction platform ann tears open inconveniently, leads to unable reuse's problem.

The utility model provides a portable steel cofferdam construction platform for install in existing structure thing, its characterized in that, construction platform includes:

the triangular supports are arranged side by side, each triangular support comprises a horizontal rod, an inclined rod and a vertical rod which enclose a triangle, one end of each horizontal rod is connected with the inclined rod, the end parts, far away from each other, of the horizontal rods and the inclined rods extend beyond the vertical rods to form an extending section, the extending section of each horizontal rod is detachably connected with the existing structure, and the extending section of each inclined rod is abutted to the existing structure;

the sidewalk plate is horizontally laid on the top surfaces of the plurality of horizontal rods;

and the fence is arranged around the periphery of the sidewalk plate.

Furthermore, two ends of the vertical rod are respectively connected to the middle point of the horizontal rod and the middle point of the inclined rod.

Furthermore, the extending section of the horizontal rod is connected to the existing structure through a detachable assembly, the detachable assembly comprises a transition rod and a fixing piece, one end of the transition rod is horizontally connected to the extending section of the horizontal rod, the other end of the transition rod extends out of the horizontal rod along the extending direction of the horizontal rod, and the cross-sectional area of the transition rod is smaller than that of the horizontal rod;

the fixing piece is used for being arranged on the existing structure and is provided with a clamping groove used for containing the transition rod.

Further, the mounting is the channel-section steel, just link up from top to bottom the notch of mounting, two arms of mounting connect in existing structure, the web of mounting has the draw-in groove.

Furthermore, the end part of the transition rod is provided with an anti-falling part for preventing the transition rod from being horizontally separated, and the width of the anti-falling part is greater than the groove width of the clamping groove.

Furthermore, the transition rod is a steel bar, the clamping groove is U-shaped, and the size of the clamping groove is matched with the diameter of the transition rod.

Furthermore, a stiffening plate is arranged between the transition rod and the fixing piece.

Furthermore, the end part of the diagonal rod is provided with a vertical plate for being attached to the existing structure.

Further, the rail includes many stands and horizontal pole, and a stand sets up in a horizon bar, many stands are connected simultaneously to the horizontal pole, the quantity of horizontal pole is at least two, and one of them is located the top of stand.

Furthermore, a protective net is hung outside the fence.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides a portable steel cofferdam construction platform, and it includes tripod, people's road plate and rail, and wherein, the horizon bar and the existing structure of tripod can be dismantled and be connected, and the down tube is with existing structure and support and hold the contact, consequently, this application embodiment simple structure, the ann tears open, can reuse many times, improves the efficiency of construction greatly.

In addition, the portable steel cofferdam construction platform can not be damaged by the existing structure and the portable steel cofferdam construction platform in the embodiment of the application in the mounting and dismounting process.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a schematic illustration of the connection of the transition bar and the anchor member of FIG. 1;

FIG. 3 is a schematic view of the connection of the transition rod and riser of FIG. 1;

FIG. 4 is a schematic view of the fastener of FIG. 1 in a vertically oriented configuration;

fig. 5 is a schematic view of the horizontally disposed structure of the fixing member of fig. 1.

Reference numerals:

1. an existing structure; 2. a tripod; 21. a horizontal bar; 22. a diagonal bar; 23. a vertical rod; 3. a fence; 31. a column; 32. a cross bar; 4. a transition bar; 5. a fixing member; 51. a card slot; 6. a drop-off prevention member; 7. a vertical plate; 8. and (4) a stiffening plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.

The embodiment of the application provides a portable steel cofferdam construction platform, and it can solve the steel cofferdam work progress, and the construction platform ann tears open inconveniently, leads to unable reuse's problem.

As shown in fig. 1, the portable steel cofferdam construction platform is installed on an existing structure 1, and comprises a tripod 2, a sidewalk plate and a fence 3.

Wherein the number of the tripod 2 is at least two, and a plurality of the tripods 2 are arranged side by side. Each of the tripods 2 includes a horizontal bar 21, an inclined bar 22 and a vertical bar 23, and the horizontal bar 21 is located at the upper end of the inclined bar 22. The unconnected ends of the horizontal rod 21 and the diagonal rod 22 are provided with an overhanging section, the overhanging section of the horizontal rod 21 is detachably connected to the existing structure 1, and the overhanging section of the diagonal rod 22 abuts against the existing structure 1.

The top surface of a plurality of horizontal poles 21 is laid to the pedestrian plate level, and preferably, the pedestrian plate adopts light material to make, can alleviate the dead weight, is favorable to overall structure stability.

The rail 3 encloses the periphery of locating above-mentioned people's road plate, plays the effect of protection to constructor. Specifically, one side of the sidewalk board is adjacent to the existing structure 1, and the other three sides are free sides, and the periphery may be three free sides of the sidewalk board or one free side opposite to the existing structure 1.

Specifically, the tripod 2 is formed by welding a horizontal rod 21, an inclined rod 22 and a vertical rod 23, wherein one end of the horizontal rod 21 is fixedly connected with one end of the inclined rod 22, the other end of the horizontal rod 21 is provided with an extending section, and the other end of the inclined rod 22 is also provided with an extending section.

Optionally, the horizontal rod 21, the diagonal rod 22 and the vertical rod 23 may be steel plates, angle steels and the like, when the horizontal rod 21 is a steel plate, the plate surface of the horizontal rod 21 is horizontal, and when the horizontal rod 21 is an angle steel, one plate surface of the angle steel is horizontal, so that stable laying of the sidewalk plate is facilitated. In this embodiment, the horizontal rod 21, the diagonal rod 22 and the vertical rod 23 may be angle steel, so that the connection between the three rod members is facilitated while the structural strength of the rod members is ensured.

Furthermore, the two ends of the vertical rod 23 are respectively connected to the middle point of the horizontal rod 21 and the middle point of the inclined rod 22, so that the stress of the tripod 2 can be ensured to be uniform, and the stability of the whole structure is ensured. In other embodiments, the two ends of the vertical rod 23 may not be connected to the middle point of the horizontal rod 21 and the middle point of the diagonal rod 22, and may be arranged according to the load distribution on the sidewalk slab, so as to improve the load bearing capacity of the embodiment of the present application. The position of the vertical bar 23 can be adjusted by adjusting the length of the extending sections of the horizontal bar 21 and the diagonal bar 22, or the position of the vertical bar 23 can be directly adjusted.

Further, the extending section of the horizontal rod 21 is connected to the existing structure 1 through a detachable assembly, the detachable assembly comprises a transition rod 4 and a fixing member 5, one end of the transition rod 4 is horizontally connected to the extending section of the horizontal rod 21, the other end of the transition rod extends out of the horizontal rod 21 along the extending direction of the horizontal rod 21, and the cross-sectional area of the transition rod 4 is smaller than that of the horizontal rod 21.

The fixing member 5 is used for being disposed on the existing structure 1, and has a slot 51 for housing the transition rod 4.

The cross-sectional area of the transition rod 4 is smaller than that of the horizontal rod 21, so that the transition rod has the advantage of being convenient to install and disassemble. And, tripod 2's horizontal pole 21 is connected through dismantling the subassembly with existing structure 1, both can guarantee that this application embodiment can dismantle with existing structure 1 and be connected to can avoid tripod 2 and existing structure 1 direct contact, cause the damage to tripod 2.

Optionally, the transition rod 4 may be a cylinder, a rectangular parallelepiped, or the like, and the extension section of the horizontal rod 21 and the transition rod 4 may be welded. When the horizontal bar 21 is the steel sheet, the horizontal bar 21 level is placed, and transition 4 and the bottom surface welding of horizontal bar 21, transition 4 hold the horizontal bar 21, and when the horizontal bar 21 was the angle steel, a face of angle steel was in the level, and transition 4 and the bottom surface welding that is in a horizontally board to neighbouring dog-ear department, transition 4 held the steel sheet. Because constructor when the pavement slab, the pavement slab receives decurrent load, and transition pole 4 holds horizontal rod 21, can full play transition pole 4's effect to can improve the bearing capacity of this application embodiment.

Specifically, the shape and the volume of the fixing member 5 may be set according to actual conditions, and the opening direction of the clamping groove 51 may be upward, away from the existing structure 1, or horizontal, and the horizontal direction is perpendicular to the extending direction of the transition rod 4, so as to ensure that the transition rod 4 can be tucked. Preferably, the opening direction of the locking groove 51 faces upward, so that the transition rod 4 can be more stable.

Further, as shown in fig. 4 and 5, the fixture 5 is a channel steel, and the notch of the fixture 5 penetrates up and down, two arms of the fixture 5 are connected to the existing structure 1, and the web of the fixture 5 has a catching groove 51.

Specifically, the two walls of the fixing member 5 are fixed to the existing structure 1, but the web of the fixing member 5 is spaced apart from the existing structure 1. The fixing piece 5 is a channel steel, so that the self weight can be reduced. Preferably, the clamping groove 51 may be disposed at the top of the web of the fixing member 5, and the clamping groove penetrates through the top of the web, so as to facilitate the stable wrapping of the transition rod 4. In other embodiments, the fixing member 5 may be a hollow rectangular parallelepiped, one surface of the fixing member 5 is connected to the existing structure 1, and the locking groove 51 is provided on the other surface opposite to the one surface.

Further, as shown in fig. 4 and 5, the transition rod 4 is a steel bar, the locking groove 51 is U-shaped, and the size of the locking groove 51 is matched with the diameter of the transition rod 4.

Above-mentioned transition pole 4 adopts the reinforcing bar, has the advantage that materials are convenient for obtaining, intensity is high to the reinforcing bar also is convenient and the horizontal rod 21 welding. Preferably, the opening direction of the clamping groove 51 faces upwards, and the inner bottom wall of the clamping groove 51 is arc-shaped and has no edges and corners, so that the transition rod 4 can be conveniently mounted and dismounted.

In addition, the slot width of the slot 51 is slightly larger than the diameter of the transition rod 4, so that the transition rod 4 can be conveniently mounted and dismounted. Specifically, when the transition rod 4 needs to be installed, the transition rod can be placed downwards in the clamping groove 51 of the fixing piece 5, and when the transition rod 4 needs to be disassembled, the transition rod can be lifted upwards, the transition rod 4 is taken out of the fixing piece 5, and the assembling and disassembling process is convenient and rapid.

Further, as shown in fig. 2, a stiffening plate 8 is disposed between the transition rod 4 and the fixing member 5, and the stiffening plate 8 plays a role of reinforcement to ensure the firmness of the connection between the transition rod 4 and the fixing member 5. Optionally, the stiffening plate 8 may be made of a steel plate, and the shape of the stiffening plate 8 may be rectangular, triangular, or the like, in this embodiment, the shape of the stiffening plate 8 is a triangular plate, which can ensure that the stiffening plate 8 plays a role in reinforcing, and at the same time, can save materials and reduce self weight. In addition, the number of the stiffening plates 8 can be set according to actual needs, and preferably, the stiffening plates 8 are uniformly arranged, so that the transition rod 4 and the fixing piece 5 are uniformly stressed.

Further, as shown in fig. 3, the end of the transition bar 4 has a retaining member 6 for preventing the transition bar 4 from being horizontally removed, and the width of the retaining member 6 is larger than the groove width of the locking groove 51. When the transition rod 4 has a tendency of horizontally disengaging from the fixing part 5, the anti-disengaging part 6 can play a role in preventing, so that the reliability and the stability of the whole structure are ensured. Optionally, the anti-disengaging part 6 may be a rectangular steel plate, a triangular steel plate, or the like, and when the anti-disengaging part 6 is a triangular plate, one side of the triangular plate is greater than the width of the locking slot 51, so as to prevent the transition rod 4 from horizontally disengaging from the fixing part 5.

Further, the tip of down tube 22 is provided with the riser 7 that is used for with the laminating of existing structure 1, and when tripod 2 was in the mounted state, riser 7 not only can increase the area of contact of down tube 22 and existing structure 1, can also guarantee the stationarity of contact. Preferably, the riser 7 may be made of steel plate.

Further, the fence 3 comprises a plurality of columns 31 and cross bars 32, wherein one column 31 is arranged on one horizontal rod 21, the cross bars 32 are simultaneously connected with the plurality of columns 31, the number of the cross bars 32 is at least two, and one of the cross bars is positioned at the top end of the column 31.

Specifically, the columns 31 and the cross bars 32 may be rectangular steel columns, circular steel columns, and the like, and may be hollow structures. In addition, the number of the cross rods 32 can be determined according to the height of the upright column 31 and the actual requirement, one of the cross rods 32 is located at the top end of the upright column 31, the top end of the upright column 31 can be prevented from causing injury to constructors, and other cross rods 32 can be uniformly arranged.

Further, the fence 3 is externally hung with a protective net, so that high-altitude falling of constructors, tools, stones and the like can be prevented. Specifically, the protective net can be a hemp rope woven net, a steel net and the like, preferably the hemp rope woven net is light in weight and easy to install and dismantle.

The installation sequence of the embodiment of the application is as follows: firstly, firmly welding the fixing piece 5 with the existing structure 1; then the end of the extending section of the horizontal rod 21 of the tripod 2 is welded with a transition rod 4 with a release-proof piece 6, and the end of the extending section of the diagonal rod 22 is welded with a vertical plate 7; after welding, the transition rod 4 is arranged in a clamping groove of the fixing piece 5, and the vertical plate 7 is abutted against the existing structure 1; after the tripod 2 is installed, a sidewalk plate is laid on the top surface of the horizontal rod 21 of the tripod 2, and the fence 3 is installed, so that the installation of the embodiment of the application is completed.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The previous description is only an example of the present application, and is provided to enable any person skilled in the art to understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a portable steel cofferdam construction platform for install in existing structure thing (1), its characterized in that, construction platform includes:

the triangular supports (2) are arranged side by side, each triangular support (2) comprises a horizontal rod (21), an inclined rod (22) and a vertical rod (23) which enclose a triangle, one end of each horizontal rod (21) is connected with the inclined rod (22), the end parts, far away from each other, of the horizontal rods (21) and the inclined rods (22) extend beyond the vertical rods (23) to form an extending section, the extending section of each horizontal rod (21) is detachably connected to the existing structure (1), and the extending section of each inclined rod (22) is used for abutting against the existing structure (1);

the sidewalk plate is horizontally laid on the top surfaces of the horizontal rods (21);

and the fence (3) is arranged around the periphery of the sidewalk plate in a surrounding way.

2. The portable steel cofferdam construction platform of claim 1, wherein: two ends of the vertical rod (23) are respectively connected to the middle point of the horizontal rod (21) and the middle point of the inclined rod (22).

3. The portable steel cofferdam construction platform of claim 1, wherein: the extending section of the horizontal rod (21) is connected to the existing structure (1) through a detachable assembly, the detachable assembly comprises a transition rod (4) and a fixing piece (5), one end of the transition rod (4) is horizontally connected to the extending section of the horizontal rod (21), the other end of the transition rod extends out of the horizontal rod (21) along the extending direction of the horizontal rod (21), and the cross section area of the transition rod (4) is smaller than that of the horizontal rod (21);

the fixing piece (5) is used for being arranged on the existing structure (1) and is provided with a clamping groove (51) used for containing the transition rod (4).

4. The portable steel cofferdam construction platform of claim 3, wherein: mounting (5) are the channel-section steel, just link up from top to bottom the notch of mounting (5), two arms of mounting (5) connect in existing structure (1), the web of mounting (5) has draw-in groove (51).

5. The portable steel cofferdam construction platform of claim 4, wherein: the end part of the transition rod (4) is provided with a separation-preventing piece (6) for preventing the transition rod (4) from horizontally separating, and the width of the separation-preventing piece (6) is larger than the groove width of the clamping groove (51).

6. The portable steel cofferdam construction platform of claim 4, characterized in that: the transition rod (4) is a steel bar, the clamping groove (51) is U-shaped, and the size of the clamping groove (51) is matched with the diameter of the transition rod (4).

7. The portable steel cofferdam construction platform of claim 3, characterized in that: and a stiffening plate (8) is arranged between the transition rod (4) and the fixing piece (5).

8. The portable steel cofferdam construction platform of claim 1, characterized in that: the end part of the diagonal rod (22) is provided with a vertical plate (7) which is used for being attached to the existing structure (1).

9. The portable steel cofferdam construction platform of claim 1, wherein: rail (3) include many stands (31) and horizontal pole (32), and a stand (31) set up in a horizon bar (21), many stands (31) are connected simultaneously in horizontal pole (32), the quantity of horizontal pole (32) is two at least, and one of them is located the top of stand (31).

10. The portable steel cofferdam construction platform of claim 9, wherein: and a protective net is hung outside the fence (3).

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