An integrated steel reinforcement positioning device for slipform forming of circular silo walls

Abstract

This utility model discloses an integrated rebar positioning device for slipform construction of circular silo walls, relating to the field of slipform construction technology for circular silo walls. The integrated rebar positioning device includes a positioning rebar module, a support frame module, and a slipform lifting frame module. The positioning rebar module includes arc-shaped horizontal rebars with positioning rings welded to their outer surfaces. The support frame module includes a U-shaped support frame with threaded mounting grooves at both ends, through which positioning screws are threadedly connected. The slipform lifting frame module includes lifting frame legs with a lifting frame crossbeam welded to the top of each leg. The outer surface of the crossbeam has positioning through holes. This utility model, through modular design and synchronous lifting with the slipform system, achieves fully automated control of the rebar positioning process, overcoming the problems of concrete cracking and structural instability caused by rebar misalignment in traditional processes, significantly improving construction quality and efficiency.

Description

Technical Field

[0001] This utility model relates to the field of slipform construction technology for circular silo walls, specifically to an integrated rebar positioning device for slipform construction of circular silo walls. Background Technology

[0002] Slipform construction for circular silo walls is a highly efficient construction technique. Its core principle involves using a hydraulic system to drive a formwork system to continuously slide along the circumference of the silo wall, achieving simultaneous concrete pouring and formwork lifting. During construction, a circular slipform platform is first assembled at the bottom of the silo. This platform includes inner and outer steel formwork, an operating frame, and a hydraulic jack system. As the concrete is poured in layers and reaches its initial setting strength, the hydraulic jacks gradually lift the entire formwork system along pre-installed support rods. Workers continuously perform concrete vibration, finishing, and curing operations on the moving platform. The key advantage of this process is maintaining a dynamic fit between the formwork and the concrete, avoiding the repeated disassembly and reassembly of traditional formwork. It is particularly suitable for silo structures with large height and uniform diameter. Strict control of the slipform speed and concrete setting time is crucial during construction to ensure the verticality, roundness, and surface quality of the silo wall. Slipform technology not only achieves seamless overall silo wall forming but also allows for the adjustment of formwork curvature to accommodate silo construction of different diameters, making it widely used in grain storage, cement industry, and other fields.

[0003] In the slipform construction of circular silo walls, the traditional rebar positioning process has significant defects. The rebar binding relies on manual correction, which results in low construction efficiency and difficulty in ensuring accuracy. The vibration of concrete pouring and the dynamic lifting of the slipform can easily cause the vertical rebar to shift, which in turn leads to quality problems such as cracking of the silo wall structure and a decrease in load-bearing capacity. Existing technology lacks a positioning device that works in conjunction with the slipform system, requiring repeated pauses in construction for manual resetting, which seriously restricts the construction progress and structural safety. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an integrated rebar positioning device for slipform construction of circular silo walls, thereby solving the problems of low rebar positioning accuracy and time-consuming manual correction during the construction of circular silo wall structures, as mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an integrated rebar positioning device for slipform forming of a circular silo wall, comprising a positioning rebar module, a support frame module, and a slipform lifting frame module. The positioning rebar module includes an arc-shaped horizontal rebar, the outer surface of which is welded with positioning ring bars. The support frame module includes a U-shaped support frame, with threaded mounting grooves at both ends. A positioning screw is threaded into the internal thread of each mounting groove. The slipform lifting frame module includes lifting frame legs, with a lifting frame crossbeam welded to the top of each leg. A positioning through hole is provided on the outer surface of the lifting frame crossbeam.

[0006] Preferably, a plurality of positioning ring bars are provided, and the positioning ring bars are evenly arranged along the outer surface of the arc-shaped horizontal steel bar.

[0007] Preferably, the outer surface of the arc-shaped horizontal steel bar is welded to the top of the Z-shaped support frame.

[0008] Preferably, a hydraulic jack is fixedly connected to the middle of the top of the lifting frame beam by bolts, and the outer surface of the positioning screw is adapted to the interior of the positioning through hole.

[0009] Preferably, the outer surface of the positioning screw is threaded with a mounting nut. Beneficial effects

[0010] This utility model provides an integrated rebar positioning device for slipform forming of circular silo walls. It has the following beneficial effects:

[0011] This integrated rebar positioning device for slipform construction of circular silo walls achieves a dual breakthrough in construction accuracy and efficiency through the synergistic effect of the positioning rebar module and the support frame module. The positioning rebar module forms a ring constraint system to dynamically limit the vertical rebar in three dimensions, eliminating rebar vibration and displacement during slipform lifting. The support frame module is rigidly connected to the positioning through hole of the slipform lifting frame through the threaded mounting groove and locked with the mounting nut, realizing synchronous lifting of the device and the slipform system driven by the hydraulic jack. This allows the rebar positioning process to be seamlessly integrated into the slipform cycle, eliminating the need for manual correction and significantly improving construction efficiency. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0013] Figure 2 This is a schematic diagram of the connection between the support frame module and the lifting frame beam of this utility model;

[0014] Figure 3 This is a schematic diagram of the overall structure of the integrated slipform rebar positioning device of this utility model during installation;

[0015] Figure 4 This is a partial structural diagram of the integrated slipform rebar positioning device of this utility model during installation.

[0016] In the diagram: 1. Positioning rib module; 101. Arc-shaped horizontal reinforcing bar; 102. Positioning ring bar; 2. Support frame module; 201. Z-shaped support frame; 202. Threaded mounting groove; 203. Positioning screw; 204. Mounting nut; 3. Slipform lifting frame module; 301. Lifting frame upright leg; 302. Lifting frame crossbeam; 303. Hydraulic jack; 304. Positioning through hole. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] like Figure 1-4 As shown, this utility model provides an integrated rebar positioning device for slipform of a circular silo wall, including a positioning rebar module 1, a support frame module 2, and a slipform lifting frame module 3. The positioning rebar module 1 includes an arc-shaped horizontal rebar 101, and a positioning ring rebar 102 is welded to the outer surface of the arc-shaped horizontal rebar 101. The support frame module 2 includes a U-shaped support frame 201, and threaded mounting grooves 202 are provided at both ends of the U-shaped support frame 201. A positioning screw 203 is threadedly connected to the inside of the threaded mounting groove 202. The slipform lifting frame module 3 includes a lifting frame leg 301, and a lifting frame crossbeam 302 is welded to the top of the lifting frame leg 301. A positioning through hole 304 is provided on the outer surface of the lifting frame crossbeam 302.

[0019] Specifically, several positioning ring bars 102 are provided, and the positioning ring bars 102 are evenly arranged along the outer surface of the arc-shaped horizontal steel bar 101.

[0020] Specifically, the outer surface of the arc-shaped horizontal steel bar 101 is welded to the top of the zigzag support frame 201.

[0021] Specifically, a hydraulic jack 303 is fixedly connected to the middle of the top of the lifting frame beam 302 by bolts, and the outer surface of the positioning screw 203 is adapted to the interior of the positioning through hole 304.

[0022] Specifically, the outer surface of the positioning screw 203 is threaded with a mounting nut 204.

[0023] The working principle of the above embodiments:

[0024] The device forms a steel bar positioning system through the rigid connection between the positioning rib module 1 and the support frame module 2, and achieves synchronous lifting using the slipform lifting frame module 3. The specific workflow is as follows: During the prefabrication stage, the arc-shaped horizontal steel bar 101 is bent into shape according to the curvature of the silo body; the positioning ring rib 102 is processed into a semi-circular ring structure; the two are welded to form a positioning grid; the Z-shaped support frame 201 is processed into a "Z" shape and threaded mounting grooves 202 are set at both ends; the positioning screw 203 is screwed into the threaded mounting groove 202, and the positioning screw 203 is inserted into the positioning through hole 304 of the lifting frame crossbeam 302, and locked in place by the mounting nut 204. During construction, the vertical... The reinforcing bars are inserted into the semi-circular opening of the positioning ring 102, and the horizontal reinforcing bars are tied and positioned along the arc-shaped horizontal reinforcing bars 101. After the slipform system is started, the hydraulic jack 303 drives the device to slide up at a controllable speed. After each fixed height, it pauses and the device moves up synchronously with the slipform system. The new section of vertical reinforcing bars is continuously inserted into the positioning ring 102, forming a cyclic operation until the top of the silo is completed. During this process, the positioning ring 102 forms a ring constraint on the reinforcing bars, eliminating the displacement caused by construction vibration. The anti-deformation design of the Z-shaped support frame 201 ensures the structural stability, and the synchronization of the sliding is strictly maintained, ultimately realizing the full-process coordinated operation of reinforcing bar positioning and slipform construction.

[0025] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An integrated steel bar positioning device for the slip formwork of a round silo wall, comprising a positioning bar module (1), a support frame module (2) and a slip formwork lifting frame module (3), characterized in that: The positioning rib module (1) includes an arc-shaped horizontal steel bar (101), and a positioning ring rib (102) is welded to the outer surface of the arc-shaped horizontal steel bar (101). The support frame module (2) includes a U-shaped support frame (201). Threaded mounting grooves (202) are provided at both ends of the U-shaped support frame (201), and a positioning screw rod (203) is threadedly connected to the inside of the threaded mounting grooves (202). The slip form lifting frame module (3) includes lifting frame vertical legs (301), and a lifting frame cross beam (302) is welded to the top of the lifting frame vertical legs (301). A positioning through hole (304) is provided on the outer surface of the lifting frame cross beam (302).

2. The integrated steel bar positioning device for slip form of circular silo wall according to claim 1, characterized in that: A plurality of the positioning ring ribs (102) are provided, and the positioning ring ribs (102) are uniformly arranged along the outer surface of the arc-shaped horizontal steel bar (101).

3. The integrated steel bar positioning device for slip form of circular silo wall according to claim 1, wherein: The outer surface of the arc-shaped horizontal steel bar (101) is welded to the top of the U-shaped support frame (201).

4. The integrated steel bar positioning device for slip form of circular silo wall according to claim 1, characterized in that: A hydraulic jack (303) is fixedly connected to the middle of the top of the lifting frame cross beam (302) by bolts, and the outer surface of the positioning screw rod (203) is adapted to the inside of the positioning through hole (304).

5. The integrated steel bar positioning device for slip formwork of the circular silo wall according to claim 1, wherein: An installation nut (204) is threadedly connected to the outer surface of the positioning screw rod (203).

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