A device and method for accurately positioning steel bars of a recyclable concrete silo structure

Abstract

The present invention discloses a circulatory concrete silo structure steel bar precise positioning device and method, wherein a fixed channel steel is arranged across a sliding form operation platform, and a plurality of detachable guide positioning steel plates are arranged on the fixed channel steel, and a fixing hole for sleeved steel bars is arranged on the guide positioning steel plate, and the punching direction of the fixing hole is parallel to the lifting direction of the sliding form operation platform; a plurality of guide positioning steel plates are evenly spaced and arranged on the fixed channel steel. Compared with the previous construction method of horizontal and vertical steel bar positioning during the main construction of the building structure, during the sliding construction of the silo wall of the concrete silo structure, a construction method of circulatory concrete silo structure steel bar precise positioning is adopted, which is convenient to install, flexible to dismantle and modify, precise to position, not easy to run, modular construction, reduced labor, reduced construction costs, improved engineering construction quality, reduced rework losses, and reduced management costs.

Description

Technical Field

[0001] The present invention relates to the field of silo casting, and in particular to a device and method for accurately positioning steel bars of a rotatable concrete silo structure. Background Art

[0002] In the field of construction, the slipform construction process is a special construction process widely used in the construction of high-rise cast-in-place concrete structures. Compared with conventional construction methods, this construction process has the advantages of high degree of mechanization, fast construction speed, small site occupation, strong structural integrity, good seismic performance, guaranteed safe operation, significant environmental and economic effects, saving the labor and materials required for supporting formwork and setting up scaffolding, and being able to disassemble and flexibly assemble the formwork and reuse it. In the current slipform process, due to the high height of the steel bars, it is difficult to fix and position the steel bars. Therefore, the position of the steel bars will be skewed after pouring, resulting in the overall structural strength not meeting the standard, causing adverse hidden dangers. Therefore, there is an urgent need for a precise positioning device and method for the steel bars of a circulatory concrete silo structure that can guide and position the steel bars during the slipform process. Summary of the invention

[0003] The present invention aims to provide a device and method for accurately positioning the steel bars of a circulatory concrete silo structure. Compared with the previous construction method for positioning the horizontal and vertical steel bars during the main construction of the building structure, during the sliding construction of the silo wall of the concrete silo structure, a construction method for accurately positioning the steel bars of the circulatory concrete silo structure is adopted. The device and method have the advantages of convenient installation, flexible disassembly and modification, accurate positioning, not easy to move, modular construction, reduced labor, lower construction costs, improved construction quality, reduced rework losses, and lower management costs.

[0004] The embodiment of the present invention is achieved as follows:

[0005] A recyclable concrete silo structure steel bar precise positioning device, a fixed channel steel is arranged across the sliding formwork operation platform, the fixed channel steel is provided with a plurality of detachable guide positioning steel plates, the guide positioning steel plates are provided with fixing holes for sleeved steel bars, the punching direction of the fixing holes is parallel to the lifting direction of the sliding formwork operation platform; a plurality of guide positioning steel plates are evenly spaced and arranged on the fixed channel steel. Compared with the previous construction method of horizontal and vertical steel bar positioning during the main construction of the building structure, during the sliding construction of the concrete silo structure silo wall, a recyclable concrete silo structure steel bar precise positioning construction method is adopted, which is convenient to install, flexible to dismantle and modify, precise in positioning, not easy to move, modular construction, reduces labor, reduces construction costs, improves the quality of engineering construction, reduces rework losses, and reduces management costs.

[0006] Preferably, the fixed channel steel is an arc-shaped structure and fits closely with the inner arc surface of the silo.

[0007] Preferably, the number of the fixed channel steels is two, and they are arranged in parallel on the sliding formwork operating platform.

[0008] Preferably, the guide and positioning steel plates on the two fixed channel steels are arranged opposite to each other, and the guide and positioning steel plates are arranged between the two fixed channel steels. The guide and positioning steel plates are U-shaped structures and are fixed to the fixed channel steels by bolt clamping. They have high strength, good fixing effect, accurate position, and the positioning device can be turned around and reused.

[0009] Preferably, the guide positioning steel plate includes a fixing frame and first fixing parts arranged at both ends of the fixing frame, and the first fixing parts are connected to the fixing channel steel by bolts. According to the structural construction design drawings and construction progress of the silo silo wall, the guide positioning steel plate is standardized and mass-produced in advance to improve construction efficiency and reduce labor costs.

[0010] Preferably, a second fixing part is provided on the fixed channel steel, the first fixing part includes an upper fixing plate, a connecting part and a lower fixing plate, the upper fixing plate and the lower fixing plate are fixed by the connecting part, and the upper fixing plate is parallel to the lower fixing plate, and the upper fixing plate and the lower fixing plate are used to clamp the second fixing part.

[0011] Preferably, the upper fixing plate is provided with a bolt hole, through which a bolt passes, thereby being abutted and fixed with the second fixing portion.

[0012] Preferably, the fixed channel steel is provided with an annular dimension scale for locating the guide fixed steel plate, so as to accurately locate the vertical and horizontal steel bar spacing during the sliding process, and provide an accurate elevation basis for the horizontal steel bars of the warehouse wall.

[0013] Preferably, the fixing hole is a rectangular structure, and the width is not less than the cross-sectional diameter of the steel bar.

[0014] A method for accurately positioning steel bars of a rotatable concrete silo structure is also provided, comprising the above-mentioned positioning device, and further comprising the following steps:

[0015] S1: Add fixed channel steel on the lifting frame of the slipform operation platform perpendicular to the warehouse wall;

[0016] S2: Set a guide and positioning steel plate on the fixed channel steel corresponding to the position of the steel bar, and set a circumferential dimension scale on the fixed channel steel;

[0017] S3: Place the guide positioning steel plate to the correct position and fix it with bolts;

[0018] S4: The vertical reinforcement of the silo wall is passed through the guide positioning steel plate, and the lower end is connected with the original vertical reinforcement according to the design or specification requirements, and the vertical reinforcement is allowed to slide freely in the guide positioning steel plate;

[0019] S5: As the sliding formwork rises, the vertical steel bars of the main concrete structure warehouse wall are gradually extended until the sliding construction is completed, the positioning device is removed, and the fixed channel steel and guide positioning steel plate are cleaned and removed for later use. The vertical steel bars of the warehouse wall are accurately positioned, and the design spacing changes during the construction process can be flexibly adjusted, which greatly guarantees the quality of the warehouse construction, avoiding and eliminating the secondary rework, finishing and management cost increase caused by traditional processes. The positioning, fixing and guiding steel plates are flexible and convenient to install and disassemble, with a high turnover rate, reduced material loss and low material cost. Batch production can be carried out in advance according to the construction drawings to improve construction efficiency and save costs. This construction method has high construction efficiency, saves labor, reduces the use of auxiliary materials, improves construction quality, and generates greater economic benefits for the construction unit. At the same time, it also has greater social benefits and has a high value of promotion and application.

[0020] Due to the adoption of the above technical scheme, the beneficial effects of the present invention include: a device and method for accurately positioning steel bars of a circulatory concrete silo structure of the present invention, a fixed channel steel is arranged across the sliding formwork operation platform, and a plurality of detachable guide positioning steel plates are arranged on the fixed channel steel, and a fixing hole for sleeved steel bars is arranged on the guide positioning steel plate, and the punching direction of the fixing hole is parallel to the lifting direction of the sliding formwork operation platform; a plurality of guide positioning steel plates are evenly spaced and arranged on the fixed channel steel. Compared with the previous construction method of horizontal and vertical steel bar positioning during the main construction of the building structure, during the sliding construction of the silo wall of the concrete silo structure, a construction method of accurately positioning the steel bars of the circulatory concrete silo structure is adopted, which is convenient to install, flexible to dismantle and modify, accurate in positioning, not easy to move, modular construction, reduced labor, reduced construction costs, improved engineering construction quality, reduced rework losses, and reduced management costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a schematic diagram of the working state of the present invention;

[0023] Figure 2 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 3 It is a schematic diagram of the structure of the fixed channel steel and the guide positioning steel plate of the present invention;

[0025] Figure 4 It is a schematic diagram of the structure of the guiding and positioning steel plate of the present invention.

[0026] Specific element symbol description: 1. Sliding formwork operating platform; 2. Fixed channel steel; 3. Guide and positioning steel plate; 4. Steel bar; 31. Fixing hole; 32. Fixing frame; 33. First fixing part; 331. Upper fixing plate; 332. Connecting part; 333. Lower fixing plate. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0028] The following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0030] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0031] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0032] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Example 1: Please refer to Figures 1 to 4 In this embodiment, a recyclable concrete silo structure steel bar precise positioning device is provided, and a fixed channel steel 2 is arranged across the sliding form operation platform 1, and a plurality of detachable guide positioning steel plates 3 are arranged on the fixed channel steel 2, and a fixing hole 31 for sleeved steel bars 4 is arranged on the guide positioning steel plate 3, and the punching direction of the fixing hole 31 is parallel to the lifting direction of the sliding form operation platform 1; a plurality of guide positioning steel plates 3 are evenly spaced and arranged on the fixed channel steel 2. Compared with the previous construction method of positioning the horizontal and vertical steel bars 4 during the main construction of the building structure, during the sliding construction of the silo wall of the concrete silo structure, a construction method of recyclable concrete silo structure steel bars 4 is adopted, which is convenient to install, flexible to dismantle and modify, accurate in positioning, not easy to move, modular construction, reducing labor, reducing construction costs, improving the quality of engineering construction, reducing rework losses, and reducing management costs.

[0034] Embodiment 2: The fixed channel steel 2 of this embodiment is an arc-shaped structure, and fits with the inner arc surface of the silo. The number of fixed channel steels 2 of this embodiment is two, and they are arranged in parallel on the sliding form operating platform 1. The guide and positioning steel plates 3 on the two fixed channel steels 2 of this embodiment are arranged relatively, and the guide and positioning steel plates 3 are arranged between the two fixed channel steels 2. The guide and positioning steel plates 3 are U-shaped structures, which are fixed to the fixed channel steel 2 by bolt clamping. They have high strength, good fixing effect, accurate position, and the positioning device can be circulated and reused. The guide and positioning steel plates 3 of this embodiment include a fixed frame 32 and a first fixing part 33 arranged at both ends of the fixed frame 32, and the first fixing part 33 is connected to the fixed channel steel 2 by bolts. According to the structural construction design drawings and construction progress of the silo wall, the guide and positioning steel plates 3 are standardized and mass-produced in advance to improve construction efficiency and reduce labor costs.

[0035] Embodiment 3: The fixed channel steel 2 of this embodiment is provided with a second fixing part, and the first fixing part 33 includes an upper fixing plate 331, a connecting part 332 and a lower fixing plate 333. The upper fixing plate 331 and the lower fixing plate 333 are fixed by the connecting part 332, and the upper fixing plate 331 is parallel to the lower fixing plate 333. The upper fixing plate 331 and the lower fixing plate 333 are used to clamp the second fixing part. The upper fixing plate 331 of this embodiment is provided with a bolt hole, and the bolt passes through the bolt hole to be fixed against the second fixing part. The fixed channel steel 2 of this embodiment is provided with an annular size scale for positioning the guide fixing steel plate. It is used to accurately locate the spacing between the vertical horizontal steel bars 4 during the sliding process, and at the same time provide an accurate elevation basis for the horizontal steel bars 4 of the warehouse wall. The fixing hole 31 of this embodiment is a rectangular structure, and the width is not less than the cross-sectional diameter of the steel bar 4.

[0036] Embodiment 4: This embodiment also provides a method for accurately positioning steel bars of a rotatable concrete silo structure, including the above-mentioned positioning device, and also including the following steps: S1: Add a fixed channel steel 2 on the lifting frame of the sliding formwork operating platform 1 perpendicular to the silo wall; S2: Set a guide positioning steel plate 3 on the fixed channel steel 2 corresponding to the position of the steel bar 4, and set an annular size scale on the fixed channel steel 2; S3: Place the guide positioning steel plate 3 in the correct position and fix it with bolts; S4: Pass the vertical steel bars 4 of the silo wall through the guide positioning steel plate 3, and connect the lower end with the original vertical steel bars 4 according to the design or specification requirements, and allow the vertical steel bars 4 to slide freely in the guide positioning steel plate 3; S5: As the sliding formwork slides, gradually extend the vertical steel bars 4 of the silo wall of the main concrete structure until the sliding construction operation is completed, remove the positioning device, and clean and disassemble the fixed channel steel 2 and the guide positioning steel plate 3 for later use. The vertical steel bars 4 of the warehouse wall are accurately positioned, and the design spacing changes during the construction process can be flexibly adjusted, which greatly guarantees the quality of the warehouse construction, avoiding and eliminating the secondary rework, finishing and management cost increase caused by traditional processes. The positioning, fixing, and guiding steel plates are flexible and convenient to install and disassemble, with a high turnover rate, reduced material loss, and low material cost. Batch production can be carried out in advance according to the construction drawings to improve construction efficiency and save costs. This construction method has high construction efficiency, saves labor, reduces the use of auxiliary materials, improves construction quality, and generates greater economic benefits for the construction unit. At the same time, it also has greater social benefits and has a high value of promotion and application.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A precise positioning device for steel bars in a recyclable concrete silo structure. It is characterized in that A fixed channel steel is arranged across the slipform operation platform, and a plurality of detachable guide and positioning steel plates are arranged on the fixed channel steel. The guide and positioning steel plates are provided with fixing holes for sleeved steel bars, and the punching direction of the fixing holes is parallel to the lifting direction of the slipform operation platform; the plurality of guide and positioning steel plates are evenly spaced and arranged on the fixed channel steel; The fixed channel steel is an arc-shaped structure and fits the inner arc surface of the silo; The number of the fixed channel steels is two, and they are arranged in parallel on the sliding form operating platform; The guide and positioning steel plates on the two fixed channel steels are arranged opposite to each other, and the guide and positioning steel plates are arranged between the two fixed channel steels; The guide and positioning steel plate comprises a fixing frame and first fixing parts arranged at two ends of the fixing frame, and the first fixing parts are connected to the fixing channel steel by bolts; The fixed channel steel is provided with a second fixing part, the first fixing part comprises an upper fixing plate, a connecting part and a lower fixing plate, the upper fixing plate and the lower fixing plate are fixed by the connecting part, and the upper fixing plate is parallel to the lower fixing plate, and the upper fixing plate and the lower fixing plate are used to clamp the second fixing part; The upper fixing plate is provided with a bolt hole, through which a bolt passes, and is then abutted and fixed with the second fixing portion; The fixed channel steel is provided with an annular dimension scale for positioning the guide and positioning steel plate; The fixing hole is a rectangular structure, and its width is not less than the cross-sectional diameter of the steel bar; The invention also includes a method for accurately positioning steel bars of a turnable concrete silo structure, the method including the positioning device and the following steps: S1: Add fixed channel steel on the lifting frame of the slipform operation platform perpendicular to the warehouse wall; S2: Set a guide and positioning steel plate on the fixed channel steel corresponding to the position of the steel bar, and set a circumferential dimension scale on the fixed channel steel; S3: Place the guide positioning steel plate to the correct position and fix it with bolts; S4: The vertical reinforcement of the silo wall is passed through the guide positioning steel plate, and the lower end is connected with the original vertical reinforcement according to the design or specification requirements, and the vertical reinforcement is allowed to slide freely in the guide positioning steel plate; S5: As the slipform slides up, the vertical reinforcement of the main concrete structure warehouse wall is gradually extended until the sliding construction work is completed, the positioning device is removed, and the fixed channel steel and guide positioning steel plate are cleaned and removed for later use.

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