Annular platform for extension operation of pile foundation reinforcement cage

By using multiple steel plate platforms spliced ​​into a ring during the pile foundation reinforcement cage extension operation, and combining the design of protrusions, grooves, and screws to adjust the height, the problems of large gaps between the steel casing and the reinforcement cage and the difficulty of height adjustment were solved, thus realizing a safe and reliable construction platform and improving construction efficiency and quality.

CN224106839UActive Publication Date: 2026-04-10ROAD & BRIDGE INT CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The existing pile foundation reinforcement cage splicing operation has the problem of large gaps between the steel casing and the reinforcement cage, resulting in high safety risks, complicated and time-consuming installation, difficulty in height adjustment, and difficulty in adapting to diverse construction needs, thus affecting construction efficiency and quality.

Method used

Design a circumferential platform for extending pile foundation steel cages. Multiple steel plate platforms are spliced ​​into a ring to fill gaps. The height is adjusted by using protrusions and grooves and screws and fixing seats, achieving portable installation and flexible height adjustment.

Benefits of technology

It reduces the risk of workers falling, simplifies the installation process, improves construction efficiency and quality, adapts to the height requirements of different construction scenarios, and reduces transportation difficulty and cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of building construction, and discloses a pile foundation reinforcement cage lengthening operation annular platform which comprises an installation face, a steel casing is installed at the top of the installation face, a cage body is installed in the steel casing, a plurality of steel plate platforms are arranged at the top of the steel casing, and clamping grooves are formed in the left ends and the right ends of the tops of the steel plate platforms. Clamping blocks are detachably connected to the inner walls of every two adjacent clamping grooves, supporting plates are fixedly connected to the bottoms of the clamping blocks, fixing seats are fixedly connected to the middle ends of the bottoms of the supporting plates, threaded rods are in threaded connection to the bottoms of the fixing seats, and bottom supporting blocks are fixedly connected to the bottoms of the threaded rods. According to the utility model, the plurality of steel plate platforms are spliced into the circular ring to fill the gap between the steel casing and the reinforcement cage, so that the falling risk of workers is greatly reduced, and the safety of the workers is guaranteed; and meanwhile, through the design of splicing of the convex blocks and the grooves and height adjustment of the screws and the fixing bases, installation is convenient, height adjustment is flexible, and construction efficiency and quality are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction, especially relates to a pile foundation reinforcement cage lengthening operation annular platform. BACKGROUND

[0002] Pile foundation reinforcement cage lengthening operation is the operation process that multiple reinforcement cages are connected into a whole when the length of the reinforcement cage is limited by design requirements or construction conditions in the pile foundation construction of building engineering, and in this process, the construction personnel need to stand on the top side of the steel casing to carry out construction work on the reinforcement cage.

[0003] However, in the existing pile foundation reinforcement cage lengthening operation process, the gap between the steel casing and the reinforcement cage is large, there is no effective protection measure, workers are prone to fall into it, and the safety risk is high. The installation process is complex, mostly one-piece, time-consuming and labor-intensive to install, occupies a large space during transportation, and is difficult and costly to transport. In the face of different construction scenes, the existing platform is difficult to adjust the height, and it is difficult to adapt to the undulating terrain or different depth pile foundation operation, which cannot meet the diversified construction demand, and affects the construction efficiency and quality.

[0004] To this end, in view of the technical problem, the present application provides a pile foundation reinforcement cage lengthening operation annular platform. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the defects of large gap between the steel casing and the reinforcement cage, no effective structure to ensure the personal safety of construction personnel, and poor height applicability of inconvenient installation in the prior art, and provides a pile foundation reinforcement cage lengthening operation annular platform, which fills the gap between the steel casing and the reinforcement cage by splicing multiple steel plate platforms into a circular ring, greatly reduces the risk of personnel falling, and ensures the safety of workers. At the same time, the design of splicing the convex block and the recess and adjusting the height of the screw rod and the fixing seat realizes convenient installation, flexible height adjustment, and improves the construction efficiency and quality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A pile foundation reinforcement cage lengthening operation annular platform, comprising a mounting surface, a steel casing is installed on the top of the mounting surface, a cage body is installed in the steel casing, a plurality of steel plate platforms are arranged on the top of the steel casing, a clamping groove is formed in the top of each steel plate platform, a clamping block is detachably connected to the inner wall of each adjacent two clamping grooves, a supporting plate is fixedly connected to the bottom of the clamping block, a fixing seat is fixedly connected to the middle of the bottom of the supporting plate, a screw rod is threadedly connected to the bottom of the fixing seat, a bottom support block is fixedly connected to the bottom of the screw rod, a through groove is formed in the top of the screw rod, and a spring is fixedly connected to the inner wall of the bottom side of the through groove.

[0008] Further, the left side of each of the plurality of steel plate platforms is provided with a groove, and the right side of each of the plurality of steel plate platforms is fixedly connected with a protrusion, which is matched with the groove.

[0009] Further, a screw hole is formed in the top of the clamping block, a top plate is arranged on the top side of the steel plate platform, a through hole is formed in the left and right ends of the top of the top plate, and a fixing bolt is threadedly connected to the inner wall of the through hole and penetrates through the through hole and is threadedly connected with the screw hole.

[0010] Further, the bottom of the bottom support block abuts against the top of the mounting surface.

[0011] Further, the top end of the spring is fixedly connected to the inner wall of the fixing seat.

[0012] Further, the plurality of steel plate platforms are spliced into a circular ring, and the inner diameter of each of the plurality of steel plate platforms is greater than the cage.

[0013] Further, the bottom support block is circular in shape.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, a plurality of steel plate platforms are spliced into a circular ring, a dangerous gap area is accurately filled, a safe and reliable standing operation space is created for workers, compared with the large gap between the existing steel casing and the reinforcement cage, which can easily cause personnel falling accidents and greatly reduce the safety risk, effectively protect the safety of workers, and ensure that the construction project can be safely and orderly promoted.

[0016] 2. In the utility model, the installation is more portable and the height adjustment is more flexible, and the traditional integral forming structure is difficult to install. The protrusion of the steel plate platform is aligned with the groove and inserted, so that the splicing can be quickly completed, the worker can easily adjust the platform height by rotating the screw rod through the threaded connection between the screw rod and the fixing seat, and the platform can be accurately matched for the construction site with large terrain undulations or the reinforcement cage of different depths, so as to reduce the labor intensity of workers and improve the construction efficiency and quality. DRAWINGS

[0017] Fig. 1 A perspective view of a pile foundation reinforcement cage lengthening operation annular platform is provided for the utility model;

[0018] Fig. 2 A steel plate platform structure schematic view of a pile foundation reinforcement cage lengthening operation annular platform is provided for the utility model;

[0019] Fig. 3 A support plate structure schematic view of a pile foundation reinforcement cage lengthening operation annular platform is provided for the utility model.

[0020] Legend:

[0021] 1, mounting surface; 2, steel casing; 3, cage; 4, steel platform; 5, protrusion; 6, groove; 7, clamping groove; 8, clamping block; 9, support plate; 10, fixing seat; 11, screw; 12, through slot; 13, spring; 14, bottom support block; 15, screw hole; 16, top plate; 17, through hole; 18, fixing bolt. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Reference Figs. 1-3 An embodiment provided by the utility model: a pile foundation reinforcement cage lengthening operation annular platform, comprising a mounting surface 1, the mounting surface 1 top is provided with a steel casing 2, the steel casing 2 inside is provided with a cage 3, the steel casing 2 top is provided with a plurality of steel platforms 4, the plurality of steel platforms 4 top left and right two ends are all provided with clamping grooves 7, the inner walls of adjacent two clamping grooves 7 are all detachably connected with clamping blocks 8, the clamping blocks 8 bottom fixedly connected with support plates 9, the support plates 9 bottom middle end fixedly connected with fixing seats 10, the fixing seats 10 bottom screw threadedly connected with screw rods 11, the screw rods 11 bottom fixedly connected with bottom support blocks 14, the screw rods 11 top are provided with through slots 12, the through slots 12 inner wall bottom side fixedly connected with springs 13.

[0024] Specifically, in view of the fact that there is a large gap between the existing steel casing 2 and the reinforcement cage, it is easy to be accidentally inserted, and the plurality of steel platforms 4 provided by the platform are spliced into a circular ring, which effectively fills the safety hazard area and provides a safe and reliable standing operation space for workers, facilitating workers to go up and down the reinforcement cage and perform lengthening operation. The plurality of steel platforms 4 can be divided into several segments, one end supported on the steel casing 2 along, and the other end provided with support legs, and through the adaptive design of the groove 6 and the protrusion 5, the plurality of steel platforms 4 can be spliced and installed, greatly facilitating transportation and reducing transportation difficulty and cost. At the same time, the threaded connection mode of the screw rod 11 and the fixing seat 10 makes the platform adjustable up and down through the threaded rod, which can adapt to different installation heights and meet the diversified construction requirements.

[0025] In the installation, the plurality of steel platforms 4 are spliced into a circular ring through the cooperation of the protrusions 5 and the grooves 6, the inner diameter of the plurality of steel platforms 4 is greater than the cage 3, and the plurality of steel platforms 4 are placed on the top of the steel casing 2. The clamping blocks 8 are embedded in the clamping grooves 7 of the adjacent steel platforms 4, the bottom support blocks 14 are connected to the support plates 9, the fixed seats 10, the connecting screws 11 and the bottom support blocks 14, the bottom of the bottom support blocks 14 abuts against the top of the installation surface 1, the height of the platform is adjusted by rotating the connecting screws 11 to adapt to the actual installation requirements. During the height adjustment process, the springs 13 in the through grooves 12 play a buffering and fine adjustment role, so that the adjustment process is more stable. When the top plate 16 is installed, the fixed bolts 18 are inserted through the through holes 17 of the top plate 16 and are screwed into the screw holes 15 at the top of the clamping blocks 8, further fixing the platform is realized, and the stability of the entire platform structure is ensured, providing a safe, convenient and flexible adjustable working platform for the pile reinforcement cage lengthening operation.

[0026] Referring to Figs. 1-3 , the left side of each of the plurality of steel platforms 4 is provided with a groove 6, the right side of each of the plurality of steel platforms 4 is fixedly connected with a protrusion 5, the protrusion 5 is matched with the groove 6, the top of the clamping block 8 is provided with a screw hole 15, the top side of the steel platform 4 is provided with a top plate 16, the top of the top plate 16 is provided with a through hole 17 at each of the left and right ends, the fixed bolt 18 is screwed into the through hole 17 and the screw hole 15, the bottom of the bottom support block 14 abuts against the top of the installation surface 1, the top end of the spring 13 is fixedly connected to the inner wall of the fixed seat 10, the plurality of steel platforms 4 are spliced into a circular ring, the inner diameter of the plurality of steel platforms 4 is greater than the cage 3, and the shape of the bottom support block 14 is circular.

[0027] Specifically, the worker can conveniently align the protrusion 5 on the right side of one steel platform 4 with the groove 6 on the left side of the adjacent steel platform 4 and insert it, so as to quickly complete the splicing of the plurality of steel platforms 4. After splicing, the plurality of steel platforms 4 become a circular ring, and the inner diameter thereof is greater than the cage 3, providing sufficient space for the operation of the cage 3. Compared with the traditional complex connection mode or the integrally formed structure, the installation time and labor cost are greatly saved, and the integrity and stability of the spliced circular ring platform are ensured, providing a reliable basis for subsequent operations. When adjusting the height of the platform, the worker rotates the connecting screw 11, the connecting screw 11 moves up and down in the fixed seat 10, drives the bottom support block 14 to rise or fall, and thus the height of the platform is adjusted to adapt to different construction height requirements.

[0028] Working principle: firstly, the workers align the multiple steel plate platforms 4 through the right convex block 5 to insert into the left groove 6 of the adjacent steel plate platform 4, and then place them on the top of the steel casing 2 to form a circular ring with the inside diameter larger than the cage 3; then embed the clamping block 8 into the clamping groove 7 of the adjacent steel plate platform 4, connect the screw rod 11 and the bottom support block 14 through the support plate 9 and the fixed seat 10, make the bottom of the bottom support block 14 abut against the top of the installation surface 1, move the bottom support block 14 up and down in the fixed seat 10 by rotating the screw rod 11, drive the bottom support block 14 to rise and fall to adjust the platform height, and the spring 13 in the through slot 12 plays a buffering and fine adjustment role during the adjustment process; finally, install the top plate 16, pass the fixed bolt 18 through the through hole 17 of the top plate 16 and the screw hole 15 at the top of the clamping block 8 to be screwed, and complete the platform installation to provide a safe, adjustable and stable working platform for the pile foundation reinforcement cage lengthening operation.

[0029] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A circumferential platform for pile reinforcement cage lengthening operations, characterised in that, The utility model relates to a steel jacket installation surface, which comprises a mounting surface (1) with a steel jacket (2) mounted on the top of the mounting surface (1), a cage (3) mounted inside the steel jacket (2), a plurality of steel plate platforms (4) provided on the top of the steel jacket (2), a clamping groove (7) formed on the left and right ends of the top of each steel plate platform (4), a clamping block (8) detachably connected to the inner wall of each adjacent two clamping grooves (7), a supporting plate (9) fixedly connected to the bottom of the clamping block (8), a fixing seat (10) fixedly connected to the bottom of the supporting plate (9), a screw rod (11) threadedly connected to the bottom of the fixing seat (10), a bottom support block (14) fixedly connected to the bottom of the screw rod (11), a through slot (12) formed on the top of the screw rod (11), and a spring (13) fixedly connected to the inner wall of the bottom side of the through slot (12).

2. A circumferential platform for pile reinforcement cage lengthening operations according to claim 1, characterized in that: A recess (6) is formed on the left side of each steel plate platform (4), and a protruding block (5) is fixedly connected to the right side of each steel plate platform (4), wherein the protruding block (5) is matched with the recess (6).

3. A circumferential platform for pile reinforcement cage lengthening operation according to claim 1, characterized in that: A screw hole (15) is formed on the top of the clamping block (8), a top plate (16) is arranged on the top side of the steel plate platform (4), a through hole (17) is formed on the left and right ends of the top of the top plate (16), a fixing bolt (18) is threadedly connected to the inner wall of the through hole (17), and the fixing bolt (18) penetrates through the through hole (17) and is threadedly connected with the screw hole (15).

4. The circumferential platform for pile reinforcement cage lengthening operation according to claim 1, characterized in that: The bottom of the bottom support block (14) abuts against the top of the mounting surface (1).

5. The circumferential platform for pile reinforcement cage lengthening operation according to claim 1, characterized in that: The top end of the spring (13) is fixedly connected to the inner wall of the top side of the fixing seat (10).

6. A circumferential platform for pile reinforcement cage lengthening operations according to claim 1, characterized in that: The plurality of steel plate platforms (4) are spliced into a circular ring, and the inner side diameter of the plurality of steel plate platforms (4) is greater than that of the cage (3).

7. A circumferential platform for pile reinforcement cage lengthening operation according to claim 1, characterized in that: The bottom support block (14) is circular in shape.