CN219260734U - Bridge cylindrical pier capping beam construction platform - Google Patents

Abstract

The utility model relates to a bridge cylindrical pier capping beam construction platform which comprises an operation platform, steel hoops and a hanging system, wherein the steel hoops comprise two semicircular hoop plates, two wing plates are respectively arranged at the two ends and the middle of each hoop plate, the two hoop plates are symmetrically spliced to form a circle, hoop lifting lugs are arranged below the wing plates, the operation platform is arranged below the steel hoops and connected with the steel hoops through the hanging system, the operation platform comprises two concave platform frames, two column piers with adjustable inner diameters are arranged at rectangular space positions formed in the middle of the two platform frames after being spliced to surround a half body, and circular through holes formed by the two column piers surrounding the half body can accommodate the cylindrical piers to pass through. The construction platform is designed according to the characteristics of the cylindrical piers, is suitable for the cylindrical piers with different diameters, and is simple to install and convenient to operate.

Description

Bridge cylindrical pier capping beam construction platform

Technical Field

The utility model relates to the field of bridge building construction, in particular to a bridge cylindrical pier capping beam construction platform.

Background

The bridge pier is the most important foundation part for highway bridge construction. The cylindrical pier is the most common lower structural form applied to the bridge at present, has high rigidity and strength, can adapt to various complex stress states, has the characteristics of simple structure and attractive and elegant appearance, is easy to control the appearance quality in construction, is convenient to connect with a pile foundation, and has good landscape coordination.

The common construction methods of the cylindrical piers comprise a turnover formwork, a climbing formwork and a sliding formwork, and after the casting of the top section of the cylindrical piers is completed, the cylindrical piers are required to be removed, so that a construction platform cannot be provided for the upper capping beam construction. The current common method is to set up a closed scaffold or a full-hall frame to the bottom die of the bent cap. The Chinese patent of the utility model with the bulletin number of CN207793907 discloses a bridge maintenance construction platform, which comprises a workbench and a scaffold, wherein the workbench is arranged between the scaffold and a bridge, the scaffold is positioned below the workbench, the scaffold is fixedly connected with the workbench, the workbench is hung below the bridge through a steel wire rope, and a worker is positioned on the workbench to carry out bridge maintenance. However, the erection of a closed scaffold or a full-hall scaffold has the following problems that a large amount of materials are required to be input, the higher the pier column is, the more materials and manpower are input, and the service time of hoisting equipment is long. Secondly, setting up closed scaffold or full hall frame, need pour terrace bed course, then need from ground one deck up installation setting up, and every layer must install and link the wall spare, generally consume the engineering time longer. Thirdly, set up closed scaffold frame or full hall frame, easily receive wind-force influence, overall stability is relatively poor, the security is low.

Disclosure of Invention

In view of the foregoing, it is desirable to provide a bridge cylindrical pier capping beam construction platform in view of the above-mentioned problems. The platform utilizes the anchor ear to be firmly connected with the poured pier stud, is connected with the operation platform through the clamp ring and the steel wire rope, is convenient to assemble and disassemble, has high stability, is safe and effective, and provides a safe operation environment for installing and dismantling the capping beam bottom die system.

In order to solve the problems in the prior art, the utility model adopts the following technical scheme:

the bridge cylindrical pier capping beam construction platform comprises an operation platform, steel hoops and a hanging system, wherein each steel hoop comprises two semicircular hoop plates, two wing plates are respectively arranged at the two ends and the middle part of each semicircular hoop plate, the two semicircular hoop plates are symmetrically spliced to form a circle, and hoop lifting lugs are arranged below each wing plate; the operation platform is arranged below the steel anchor ear, the operation platform is connected with the steel anchor ear through the hanging system and comprises two concave platform frames, two column piers with adjustable inner diameter are arranged at rectangular space positions formed in the middle of the spliced platform frames to surround half bodies, and two column piers surround round through holes formed by the half bodies to accommodate the passing of the column piers.

Further, the column pier surrounding half body comprises two symmetrically arranged adjusting plate bases and a plurality of adjusting plates with different inner diameters, the section of each adjusting plate base is rectangular, the middle of one long side of each rectangle is downwards concave to form a semicircular side, and the two symmetrically arranged adjusting plate bases form a circular hole for accommodating the column pier to pass through; the cross section of the adjusting plate is semicircular, two adjusting plates are symmetrically arranged to form a circular shape, the diameter of each circular hole is larger than the inner diameter of the adjusting plate, and the adjusting plate base is used alone or assembled with the adjusting plate.

Further, the adjusting plate base is provided with an adjusting screw rod at 45 degrees and 135 degrees of the semicircular edge.

Further, a guardrail is arranged on the platform frame.

Further, the platform frame is paved with a pattern plate matched with the shape of the platform frame.

Further, the two checkered plates are connected through a hinge.

Further, an inner liner is arranged on the inner wall of the hoop plate.

Further, the inner liner is a rubber plate.

Further, four platform lifting lugs are arranged at the top end of the operation platform, the platform lifting lugs and the hoop lifting lugs are correspondingly arranged, and the top end and the bottom end of the hanging system are respectively connected to the hoop lifting lugs and the platform lifting lugs.

Further, the hanging system comprises a clamping ring and a steel wire rope, and the steel wire rope is vertically connected with the platform lifting lug and the hoop lifting lug.

The utility model has the advantages and beneficial effects that:

the construction platform is designed according to the characteristics of the cylindrical piers, and the inner diameter of the construction platform can be adjusted by matching the adjusting plate base with the adjusting plate, so that the construction platform is suitable for the cylindrical piers with different diameters. For cylindrical piers with different diameters, the applicability is good only by replacing the adjusting plate; the installation is simple, and the operation is convenient. The construction method has the advantages of less material consumption, long recycling time and less installation personnel, and effectively saves the material cost and the labor cost.

The operation platform is formed by splicing the left half part and the right half part, so that the operation platform is convenient to assemble; the pattern plates at the splicing position are connected through a hinge, so that the reinforcing operation of the splicing operation platform is facilitated; the height of the operation platform can be adjusted through a steel wire rope, so that the operation platform is flexible to use; the operation platform can clamp the cylindrical pier through four symmetrical adjusting screws, so that the stability of the platform is effectively improved.

The installation and the dismantling of the construction platform are operated on the platform with perfect enclosure, so that the safety is high; because the volume is small, the influence of wind power is small in the high altitude, and four adjusting screw rods are designed to tightly prop up, the overall stability is high; the platform is at high altitude, is not influenced by factors such as vehicles on the ground, foundation stability, water and soil loss and the like, and is low in influence degree by the outside.

The construction platform is currently performing construction operation on a plurality of bridge cylindrical piers, and is efficient, safe and effective in work.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a front view of a steel staple;

FIG. 3 is an elevation view of a steel staple;

FIG. 4 is a plan view of a work platform;

FIG. 5 is an elevation view of a work platform;

FIG. 6 is a front view of the platform frame after laying the checkered plates;

FIG. 7 is a front view of a checkered plate;

FIG. 8 is a front view of the adjustment plate base;

FIG. 9 is a front view of the adjustment plate;

fig. 10 is a state diagram after the change to a different inner diameter size adjustment plate.

In the figure: work platform 1, platform lug 11, platform frame 12, guardrail 13, checkered plate 14, hinge 15, steel staple bolt 2, hoop board 21, pterygoid lamina 22, staple bolt lug 23, inner liner 24, wire rope 3, adjusting plate base 41, adjusting plate 42, adjusting screw 43, screw hole 44, screw rod 5, pass through mandrel 6, steel die block 7, first I-steel 8, second I-steel 9.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Fig. 1 is a schematic diagram of the overall structure of a bridge cylindrical pier capping beam construction platform, referring to fig. 1, the bridge cylindrical pier capping beam construction platform of this embodiment is installed below a steel bottom die 7, and a horizontally arranged penetrating rod 6 is fixedly installed on the front side and the rear side of the cylindrical pier, and the two penetrating rods are located at the same height and below the steel bottom die 7. Adjacent cylindrical piers are connected through a penetrating rod 6. The left side and the right side of the cylindrical pier are respectively provided with a second I-steel 9 which is tightly attached to the front and the rear punching bars, the second I-steel 9 is vertical to the punching bars 6, and a first I-steel 8 and a screw 5 are sequentially arranged between the second I-steel 9 and the steel bottom die 7 from top to bottom.

The bridge column pier capping beam construction platform comprises an operation platform 1, a steel hoop 2 and a hanging system, wherein the steel hoop 2 is located below a penetrating rod 6, the steel hoop 2 is sleeved on a column pier and fixed, the operation platform 1 is sleeved on the column pier and located below the steel hoop 2, and the operation platform 1 is connected with the steel hoop 2 through the hanging system.

Fig. 2 and 3 show a front view and an elevation view, respectively, of a steel anchor ear. Referring to fig. 2 and 3, the steel hoop 2 includes two semicircular hoop plates 21, two ends and a middle part of each hoop plate 21 are respectively provided with a wing plate 22, the wing plates 22 at the two ends are provided with screw holes, the two hoop plates 21 are symmetrically arranged to enclose a circle, and high-strength bolts penetrate through the screw holes of the two hoop plates 21 to fix the two hoop plates 21 together. An inner liner 24 made of a rubber sheet 10mm thick is provided on the inner wall of the hoop plate 21. The hoop plate 21 is made of 16mm thick steel plate. The wing plate at the splicing position consists of two layers of 16mm thick horizontal steel plates and 25mm thick vertical steel plates, and the wing plate at the non-splicing position consists of horizontal and vertical 10mm thick steel plates; and 1 hoop lifting lug 23 is arranged below each wing plate 22.

Fig. 4 and 5 are a plan view and an elevation view of the working platform, respectively, fig. 6 is a front view of the platform frame after laying the checkered plates, and fig. 7 is a front view of the checkered plates. Referring to fig. 4-7, work platform 1 includes two concave platform frames 12. The middle of two platform frames 12 after the concatenation forms a rectangle hole, is provided with two piers and encircles the halfpody in rectangle hole department, and the circular through-hole that two piers encircled the halfpody and enclose can hold the pier and pass, and the diameter size of circular through-hole can be adjusted to the diameter of adaptation not unidimensional pier. The platform 12 is provided with a guard rail 13. The guard rail 13 is vertically formed by 6.3 channel steel with the height of 1.2m, and is horizontally formed by 3 layers of horizontal phi 32 x 3 steel pipes with the interval of 0.4 m. The platform frame 12 is provided with two layers of platforms, each of which is concave. The platform is made of 6.3 channel steel and L50 x 5 angle steel, and two layers of platforms are fixedly connected through vertical 6.3 channel steel and oblique L50 x 5 angle steel. A concave pattern plate 14 with the thickness of 3mm is paved on the upper layer of the platform, and the spliced parts of the two pattern plates 14 are connected through a hinge 15.

Fig. 8 is a front view of the adjusting plate base, fig. 9 is a front view of the adjusting plate, referring to fig. 8 and 9, the column pier surrounding half body comprises two symmetrically arranged adjusting plate bases 41 and a plurality of adjusting plates 42 with different inner diameters, the section of the adjusting plate base 41 is rectangular, the middle of one long side of the rectangle is concave downwards to form a semicircular side, two top ends of the adjusting plate base are respectively extended outwards to form rectangular extension parts, the two symmetrically arranged adjusting plate bases 41 enclose a circular hole, and the diameter of the circular hole is the same as the outer diameter of the current thickest column pier. A plurality of screw holes 44 are uniformly distributed on the adjusting plate base 41 along the semicircular edge, and nuts of M16 are welded at the bottom ends of the screw holes 44. The length and width of the adjusting plate base 41 are slightly longer than those of the rectangular recess of the platform frame 12, the adjusting plate base 41 is arranged at the rectangular recess of the platform frame 12, and the adjusting plate base 41 is detachably mounted on the platform frame 12.

The cross section of regulating plate 42 is semicircle annular, and two regulating plates 42 symmetry sets up to enclose into a ring shape, and the diameter of circular hole is greater than regulating plate 42 internal diameter, and the equipartition has three rectangle breach on the outer circumference of regulating plate 42, and regulating plate 42 evenly sets up a plurality of screw along outer peripheral reason, and regulating plate 42 internal diameter is the same with the cylindric mound external diameter of equidimension, and the diameter of circular hole is greater than regulating plate 42 internal diameter. The adjustment plate base 41 is used alone when used with the currently coarsest size cylindrical piers. When used for other sized cylindrical piers, the adjustment plate 42 having the same inside diameter as the diameter of the cylinder is selected for assembly with the adjustment plate base 41.

Fig. 10 is a state diagram showing the change to a different inner diameter size adjusting plate. Referring to fig. 10, the adjustment plate base 41 is matched with 1800 pier stud, and when it is required to use 1400 pier stud, the adjustment plate 42 matched with 1400 pier stud is mounted on the adjustment plate base 41, and the two are assembled together by nuts. When it is desired to use on 1200 piers, an adjustment plate 42 that matches 1200 piers is mounted on the adjustment plate base 41.

The adjustment plate base 41 is provided with an adjustment screw 43 at 45 ° and 135 ° of the semicircular edge in the clockwise direction. The adjusting screw 43 is made of Φ30 finish rolled screw steel.

Four platform lifting lugs 11 are arranged at the top end of the operation platform 1, the platform lifting lugs 11 and the hoop lifting lugs 23 are correspondingly arranged, and the top end and the bottom end of the hanging system are respectively connected to the hoop lifting lugs 23 and the platform lifting lugs 11. Each hoop lifting lug 23 is connected with the platform lifting lug 11 through a set of clamping rings and the steel wire rope 3, and the steel wire rope 3 is vertically connected with the platform lifting lug 11 and the hoop lifting lug 23.

The utility model discloses a construction process of a bridge cylindrical pier capping beam construction platform, which comprises the following steps:

(1) And (3) assembling an operation platform:

and hoisting the two platform frames to the root of the circular pier column by using hoisting equipment, splicing, and paving the checkered plates on the platform frames.

(2) Lifting the operation platform to the bottom of the cover beam:

after the installation and inspection of the operation platform are qualified, the operation platform is lifted to a proper position at the bottom of the bent cap by lifting equipment, and the steel anchor ear, the clamping ring, the steel wire rope and the installer are lifted along with the platform.

(3) Installing a hoop:

after lifting in place, an installer on the platform is sleeved with the steel anchor ear and fastened with the high-strength bolt.

(4) Installing a clamping ring and a steel wire rope:

after the steel anchor ear is installed, the anchor ear lifting lug on the steel anchor ear wing plate and the platform lifting lug on the operation platform are vertically connected by using a clamping ring and a steel wire rope.

(5) Fastening an adjusting screw rod:

after the clamping ring and the steel wire rope are installed, the lifting rope of the lifting equipment is loosened, the operation platform is in a natural hanging state, the length of the adjusting screw rod is adjusted according to the calculated extending length of the adjusting screw rod in advance, the adjusting screw rod is enabled to prop against the cylindrical pier, and finally hanging of the lifting equipment is relieved; and the installation of the cylindrical pier capping beam construction platform is finished.

2, disassembly sequence:

the disassembly sequence of the construction platform is opposite to the installation sequence, namely, the operation platform is firstly hung by a crane, then the steel anchor ear, the clamp ring and the steel wire rope are removed, the adjusting screw is recovered to restore the original state, then the operation platform is slowly lowered to the root of the cylindrical pier, and finally, the two steel benches are released and hung to a designated place for storage.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium. All directional indications (such as up, down, left, right, front, back) are only used to explain the relative positional relationship, movement, etc. between the components at a particular pose (as shown in the drawings) and if the particular pose changes, the directional indication changes accordingly. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolts, rivets, welding and the like in the prior art, and machines, parts and equipment adopt conventional models in the prior art and are not described in detail herein.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The utility model provides a bridge column mound bent cap construction platform which characterized in that: the steel hoop (2) comprises two semicircular hoop plates (21), two wing plates (22) are respectively arranged at the two ends and the middle of each semicircular hoop plate (21), the two semicircular hoop plates (21) are symmetrically spliced to form a circle, and hoop lifting lugs (23) are arranged below each wing plate; the steel anchor ear comprises a steel anchor ear (2), an operation platform (1), a hanging system and a circular through hole, wherein the operation platform (1) is arranged below the steel anchor ear (2), the operation platform (1) is connected with the steel anchor ear (2) through the hanging system, the operation platform (1) comprises two concave platform frames (12), two column piers with adjustable inner diameters are arranged at rectangular space positions formed in the middle of the spliced platform frames (12) to surround a half body, and the two column piers surround the circular through hole formed by the half body to contain the column piers to pass through.

2. The bridge cylindrical pier capping beam construction platform according to claim 1, wherein: the column pier surrounding half body comprises two symmetrically arranged adjusting plate bases (41) and a plurality of adjusting plates (42) with different inner diameters, the section of each adjusting plate base (41) is rectangular, the middle of one long side of each rectangle is downwards concave to form a semicircular side, and the two symmetrically arranged adjusting plate bases (41) enclose a circular hole for accommodating the column pier to pass through; the cross section of the adjusting plate (42) is semicircular, two adjusting plates (42) are symmetrically arranged to form a circular shape, the diameter of each circular hole is larger than the inner diameter of each adjusting plate (42), and the adjusting plate base (41) is used independently or assembled with the adjusting plate (42).

3. The bridge cylindrical pier capping beam construction platform according to claim 2, wherein: the adjusting plate base (41) is provided with an adjusting screw (43) at 45 degrees and 135 degrees of the semicircular edge according to the clockwise direction.

4. A bridge cylindrical pier capping beam construction platform according to any one of claims 1-3, wherein: the platform frame (12) is provided with a guardrail (13).

5. The bridge cylindrical pier capping beam construction platform as claimed in claim 4, wherein: pattern plates (14) matched with the shapes of the platform frames (12) are laid on the platform frames (12).

6. The bridge cylindrical pier capping beam construction platform according to claim 5, wherein: the joint of the two checkered plates (14) is connected through a hinge (15).

7. The bridge cylindrical pier capping beam construction platform according to claim 1, wherein: an inner liner (24) is arranged on the inner wall of the semicircular hoop plate (21).

8. The bridge cylindrical pier capping beam construction platform as claimed in claim 7, wherein: the inner liner (24) is a rubber plate.

9. The bridge cylindrical pier capping beam construction platform according to claim 1, wherein: the operation platform is characterized in that four platform lifting lugs (11) are arranged at the top end of the operation platform (1), the platform lifting lugs (11) are correspondingly arranged with the hoop lifting lugs (23), and the top end and the bottom end of the hanging system are respectively connected with the hoop lifting lugs (23) and the platform lifting lugs (11).

10. The bridge cylindrical pier capping beam construction platform as claimed in claim 9, wherein: the hanging system comprises a clamping ring and a steel wire rope (3), wherein the steel wire rope (3) is vertically connected with the platform lifting lug (11) and the hoop lifting lug (23).

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