Adjustable stirrup positioning jig frame

Abstract

The utility model relates to an adjustable stirrup positioning jig frame which comprises a support, a bearing plate is installed on the top of the support, an adjusting assembly is installed on the bearing plate and comprises a first limiting block and a second limiting block, the first limiting block and the second limiting block are oppositely arranged, and a limiting groove capable of clamping and adapting to steel bars with different outer diameters is formed between the first limiting block and the second limiting block. The supporting plate is provided with a plurality of adjusting holes, the first limiting block is installed in the adjusting holes in a position-adjustable mode through the first locking piece, and the second limiting block is installed in the adjusting holes in a position-adjustable mode through the second locking piece. The adjustable stirrup positioning jig frame is ingenious in structure, through the arrangement of the support, the bearing plate and the adjusting assembly, the distance between the first limiting block and the second limiting block in the adjusting assembly can be adjusted, so that the whole jig frame can adapt to steel bars with different outer diameters, the use requirement is further met, and the positioning jig frame is simple and compact in overall structure and convenient to use. The occupied space can be reduced, the use experience of a user is enhanced, and popularization and application of the adjustable stirrup positioning jig frame in the technical field of bridge construction are facilitated.

Description

Technical Field

[0001] This utility model relates to the field of bridge construction technology, specifically an adjustable stirrup positioning frame. Background Technology

[0002] Currently, with the continuous development of bridge construction technology, the number of precast bridge components is constantly increasing, and steel reinforcement cages are one of them. The main function of steel reinforcement cages is to provide the necessary tensile and compressive strength for the concrete structure of bridges. Concrete itself has high compressive strength but relatively low tensile strength. Through synergistic action with concrete, steel reinforcement cages can effectively enhance the overall load-bearing capacity of the structure, enabling it to withstand greater loads. During the concrete pouring process, steel reinforcement cages can effectively limit the shrinkage and expansion of concrete, reducing the formation of cracks. Cracks not only affect the aesthetics of the structure but can also allow moisture and harmful substances to penetrate, affecting the durability of the structure.

[0003] In the production process of precast steel cages, the installation of stirrups is the most time-consuming and difficult-to-control quality stage. To shorten the steel cage manufacturing time and improve the quality of the finished product, various types of steel cage jigs have emerged. Chinese invention patent application number 201410520291.7 discloses a precast steel cage jig for pier columns that can simultaneously and accurately position the main reinforcement bars and stirrups. It includes a row of detachable semi-enclosed frames with bottom openings arranged along the length of the jig, positioning longitudinal beams arranged at the bottom and column crossbeams arranged at the top of each semi-enclosed frame along the length of the jig, and a row of positioning crossbeams arranged along the length of the jig. The semi-enclosed frames and positioning crossbeams are equipped with main reinforcement positioning mechanisms, and the positioning longitudinal beams and column crossbeams are equipped with stirrup positioning mechanisms. This precast steel reinforcement jig for piers can effectively improve the accuracy and speed of steel reinforcement prefabrication, resulting in a more rational structural stress distribution and a significantly higher pass rate for the protective layer of the piers. It is particularly suitable for large-scale construction projects using precast steel reinforcement with uniform cage designs. However, its large size and space requirements, coupled with the inability to fabricate variable cross-section steel cage stirrups, negatively impact user experience and hinder the widespread adoption and application of this precast steel reinforcement jig in bridge construction technology. Utility Model Content

[0004] In order to overcome the defects in the prior art, the purpose of this utility model is to provide an adjustable stirrup positioning frame. The adjustable stirrup positioning frame has an ingenious structure and can adapt to steel bars with different outer diameters. That is, it can make variable cross-section steel cages to meet different needs, enhance the user experience, and facilitate the promotion and application of the above-mentioned adjustable stirrup positioning frame in the field of bridge construction technology.

[0005] To achieve the above-mentioned utility model objectives, the present utility model adopts the following technical solution: an adjustable stirrup positioning frame, including a bracket, a support plate installed on the top of the bracket, an adjustment component installed on the support plate, the adjustment component including a limiting block one and a limiting block two, the limiting block one and the limiting block two being arranged opposite to each other and forming a limiting groove between them that can tighten and adapt to steel bars of different outer diameters, the support plate having multiple adjustment holes, the limiting block one being installed on the adjustment holes through a locking element one and the limiting block two being installed in an adjustable position through a locking element two.

[0006] In a preferred embodiment of this utility model, the first limiting block and the second limiting block are located in different adjustment holes.

[0007] As a preferred embodiment of this utility model, the adjustment hole is an oblong hole.

[0008] As a preferred embodiment of this utility model, the first limiting block is adjusted and fixed by two locking components, and the second limiting block is adjusted and fixed by two locking components. Correspondingly, each adjusting component has four adjusting holes.

[0009] As a preferred embodiment of the present invention, the clamping part and the limiting mounting part are arranged perpendicularly to each other. The locking member one passes through the limiting mounting part and extends into the adjusting hole to fix the limiting block one. The limiting block two has the same structure as the limiting block one.

[0010] In a preferred embodiment of this utility model, both the first locking member and the second locking member are locking bolts.

[0011] As a preferred embodiment of this utility model, there are multiple adjustment components, with three adjustment components forming a group. The adjustment components in each group are a transverse rebar adjustment component, a longitudinal rebar adjustment component, and a diagonal rebar adjustment component. The transverse rebar adjustment component is used to tighten and adapt to the rebar that is arranged transversely, the longitudinal rebar adjustment component is used to tighten and adapt to the rebar that is arranged longitudinally, and the diagonal rebar adjustment component is used to tighten and adapt to the rebar that is arranged diagonally.

[0012] In a preferred embodiment of this utility model, each set of adjustment components is arranged near the corner of the support plate.

[0013] In a preferred embodiment of this utility model, the central axis of the transverse rebar adjustment component is perpendicular to the central axis of the longitudinal rebar adjustment component, and the oblique rebar adjustment component is located inside the transverse rebar adjustment component and the longitudinal rebar adjustment component.

[0014] As a preferred embodiment of the present invention, the bracket includes a support leg and a support beam, wherein the support beam is arranged perpendicularly to the support leg and the support beam is fixed to the top of the support leg.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: The adjustable stirrup positioning frame of this utility model has an ingenious structure. By setting up a bracket, a support plate and an adjustment component, the distance between the limiting block one and the limiting block two in the adjustment component can be adjusted so that the frame can adapt to steel bars of different outer diameters, thereby meeting the usage requirements. Moreover, the overall structure of the positioning frame is simple and compact, which can reduce the space occupation, enhance the user experience, and facilitate the promotion and application of the above-mentioned adjustable stirrup positioning frame in the field of bridge construction technology. Attached Figure Description

[0016] Figure 1 This is a front view of the structure of an adjustable stirrup positioning frame in the embodiment;

[0017] Figure 2 This is a top view of the adjustable stirrup positioning frame in one embodiment;

[0018] Figure 3 This is a schematic diagram of the structure of the adjustment component in the embodiment;

[0019] Figure 4 This is a schematic diagram of the structure of the limiting block one in the embodiment;

[0020] Figure 5 This is a schematic diagram illustrating the usage state of an adjustable stirrup positioning frame in one of the embodiments.

[0021] Reference numerals in the attached drawings: 1. Bracket; 2. Support plate; 2-1. Adjustment hole; 3. Adjustment assembly; 3-1. Limiting block one; 3-2. Limiting block two; 3-3. Limiting groove; 3-4. Locking component one; 3-5. Locking component two; 4. Reinforcing bar; 5. Horizontal reinforcing bar adjustment assembly; 6. Longitudinal reinforcing bar adjustment assembly; 7. Diagonal reinforcing bar adjustment assembly. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model is described below with reference to specific embodiments shown in the accompanying drawings. However, it should be understood that these descriptions are merely exemplary and not intended to limit the scope of the present utility model. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of the present utility model.

[0023] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0025] Example: Figures 1 to 5 As shown, an adjustable stirrup positioning jig mainly consists of a bracket 1, a support plate 2, and an adjustment component 3. The bracket 1 provides fixed-position support, and the support plate 2 is installed on top of the bracket 1 so that the adjustment component 3 can be installed on the support plate 2. Specifically, in order to achieve the technical effect of changing the stirrups, i.e., the reinforcing bars 4, and to make the jig adjustable and have a small footprint, the adjustment component 3 in this embodiment mainly consists of a limiting block 3-1 and a limiting block 3-2. The limiting block 3-1 and the limiting block 3-2 are arranged opposite to each other, and a limiting groove 3-3 is formed between them to tighten and adapt to reinforcing bars 4 with different outer diameters. The support plate 2 has multiple adjustment holes 2-1. The limiting block 3-1 is connected to the support plate by a locking element 3-4 and the limiting block 3-2. -2 is installed in the adjustment hole 2-1 in an adjustable position via locking component 2-5. That is, by moving the locking component 1 3-4 and driving the limiting block 1 3-1 and the limiting block 2 3-2, the size of the limiting groove 3-3 between the limiting block 1 3-1 and the limiting block 2 3-2 can be set to be variable, so that it can meet the requirements of different types and sizes of steel bars 4. This allows for the production of stirrups that meet the requirements of variable cross-section steel cages, enhancing the user experience while improving production efficiency.

[0026] The support frame 1 in this embodiment has a simple and ingenious structure, and is easy to manufacture. It mainly consists of support legs 1-1 and supporting beams 1-2. To ensure the structural strength and stability of the support frame 1, and thus the stability of the reinforcing cage placed on it, the supporting beams 1-2 are arranged perpendicularly to the support legs 1-1 and fixed to the top of the support legs 1-1. Both the support legs 1-1 and the supporting beams 1-2 are made of channel steel, providing high strength and stability while facilitating processing and installation, thus improving the economic efficiency of the structure. The support legs 1-1 and the supporting beams 1-2 can be connected as a whole by welding, facilitating handling, etc.

[0027] Furthermore, to reduce manufacturing costs while meeting usage requirements, the support plate 2 in this embodiment is a steel plate, which can be fixed to the bracket 1 by welding. Using the center point of the support plate 2 as the starting point of the coordinate axis, adjustment holes 2-1 are arranged in the four quadrants in horizontal, vertical, and diagonal directions. This arrangement allows for adjustment of the reinforcing cage in multiple directions, improving structural flexibility. The limiting block 3-1 and the limiting block 3-2 are located on different adjustment holes 2-1 to prevent interference during adjustment. The adjustment hole 2-1 is an oblong hole, and both locking components 3-4 and 3-5 can move along the length of the adjustment hole 2-1, thereby adjusting the distance between the limiting block 3-1 and the limiting block 3-2.

[0028] To improve the adjustment capability while ensuring the stability of the first limiting block 3-1 and the second limiting block 3-2, in this embodiment, the first limiting block 3-1 is adjusted and fixed by two locking members 3-4, and the second limiting block 3-2 is adjusted and fixed by two locking members 3-5. That is, the first limiting block 3-1 and the second limiting block 3-2 are both fixed by two-point adjustment. By adjusting at multiple points, it can be ensured that the limiting blocks are evenly stressed during the adjustment process, reducing deformation or damage caused by uneven stress at a single point, and improving the stability and reliability of the structure. Correspondingly, each of the above-mentioned adjustment components 3 has four adjustment holes 2-1 so that the four locking members can be fixed in the four adjustment holes respectively.

[0029] In this embodiment, the limiting block 3-1 includes a limiting clamping part 3-1-1 and a limiting mounting part 3-1-2. The limiting clamping part 3-1-1 and the limiting mounting part 3-1-2 are arranged perpendicularly, i.e., in an "L" shape. The locking member 3-4 passes through the limiting mounting part 3-1-2 and extends into the adjusting hole 2-1 to fix the limiting block 3-1. The limiting block 3-2 has the same structure as the limiting block 3-1. Both the locking member 3-4 and the locking member 3-5 are simple in structure, easy to operate, and economical and practical locking bolts.

[0030] There are multiple adjustment components 3, with three adjustment components 3 forming a group, meaning there are three adjustment components 3 in each quadrant. Each group contains a transverse rebar adjustment component 5, a longitudinal rebar adjustment component 6, and a diagonal rebar adjustment component 7. The transverse rebar adjustment component 5 is used to tighten and adapt to the transversely arranged rebar 4, the longitudinal rebar adjustment component 6 is used to tighten and adapt to the longitudinally arranged rebar 4, and the diagonal rebar adjustment component 7 is used to tighten and adapt to the diagonally arranged rebar 4. To reduce operational difficulty, each group of adjustment components 3 is positioned near the corner of the support plate 2.

[0031] The central axis of the aforementioned transverse rebar adjustment assembly 5 is perpendicular to the central axis of the aforementioned longitudinal rebar adjustment assembly 6. The aforementioned oblique rebar adjustment assembly 7 is located inside the aforementioned transverse rebar adjustment assembly 5 and the aforementioned longitudinal rebar adjustment assembly 6, with the inner side being closer to the center of the aforementioned support plate 2. The oblique adjustment holes 2-1 for installing the aforementioned oblique rebar adjustment assembly 7 are arranged at a 45° angle, and the center line of the oblique adjustment hole coincides with the center line of the angle formed by the intersection of the extended center lines of the horizontal and vertical adjustment holes.

[0032] In this embodiment, an adjustable stirrup positioning frame is implemented by first moving the limiting block 3-1 and / or the limiting block 3-2 according to the stirrup spacing of the pier column reinforcement cage, so that the limiting groove 3-3 meets the stirrup size; after positioning, tighten the locking bolts one by one to fix the limiting blocks on the support plate 2; then, according to the stirrup shape requirements, place the stirrups one by one so that the stirrups pass through the center of the corresponding adjusting component 3, i.e., the limiting groove 3-3 line; after all the stirrups are placed, the reinforcement connection operation begins, connecting the various stirrups into a whole. After all the connections are completed, lift the entire stirrup assembly upwards to complete the fabrication of one layer of reinforcement cage stirrups.

[0033] This embodiment presents an adjustable stirrup positioning frame. The adjustable stirrup positioning frame has an ingenious structure, consisting of a bracket 1, a support plate 2, and an adjustment component 3. The distance between the limiting block 3-1 and the limiting block 3-2 in the adjustment component 3 is adjustable, allowing the frame to accommodate steel bars 4 of different outer diameters, thus meeting usage requirements. Furthermore, the overall structure of this positioning frame is simple and compact, reducing space occupation and enhancing the user experience. This facilitates the promotion and application of the aforementioned adjustable stirrup positioning frame in bridge construction technology.

[0034] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention; therefore, the present invention is not 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.

[0035] Although this document frequently uses reference numerals from the accompanying drawings, such as 1. bracket; 2. support plate; 2-1. adjusting hole; 3. adjusting assembly; 3-1. limiting block one; 3-2. limiting block two; 3-3. limiting groove; 3-4. locking element one; 3-5. locking element two; 4. reinforcing bar; 5. transverse reinforcing bar adjusting assembly; 6. longitudinal reinforcing bar adjusting assembly; 7. diagonal reinforcing bar adjusting assembly, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.

Claims

1. An adjustable stirrup positioning jig, characterized in that: The bracket (1) is provided with a support plate (2) on top of the bracket (1). An adjustment component (3) is provided on the support plate (2). The adjustment component (3) includes a limiting block one (3-1) and a limiting block two (3-2). The limiting block one (3-1) and the limiting block two (3-2) are arranged opposite to each other and form a limiting groove (3-3) between them that can clamp and adapt to steel bars (4) with different outer diameters. The support plate (2) is provided with multiple adjustment holes (2-1). The limiting block one (3-1) is installed in the adjustment hole (2-1) by means of locking part one (3-4) and the limiting block two (3-2) is installed in the adjustment hole (2-1) by means of locking part two (3-5).

2. The adjustable stirrup positioning jig according to claim 1, characterized in that: The first limiting block (3-1) and the second limiting block (3-2) are located on different adjustment holes (2-1).

3. The adjustable stirrup positioning jig according to claim 1, characterized in that: The adjustment hole (2-1) is a waist-shaped hole.

4. The adjustable stirrup positioning jig according to claim 1, characterized in that: The first limiting block (3-1) is adjusted and fixed by two locking parts (3-4), and the second limiting block (3-2) is adjusted and fixed by two locking parts (3-5). Correspondingly, there are four adjusting holes (2-1) in each adjusting component (3).

5. The adjustable stirrup positioning jig according to claim 1, characterized in that: The first limiting block (3-1) includes a limiting clamping part (3-1-1) and a limiting mounting part (3-1-2). The limiting clamping part (3-1-1) and the limiting mounting part (3-1-2) are arranged perpendicularly. The first locking member (3-4) passes through the limiting mounting part (3-1-2) and extends into the adjusting hole (2-1) to fix the first limiting block (3-1). The second limiting block (3-2) has the same structure as the first limiting block (3-1).

6. The adjustable stirrup positioning jig according to claim 1, characterized in that: Both the first locking component (3-4) and the second locking component (3-5) are locking bolts.

7. The adjustable stirrup positioning jig according to claim 1, characterized in that: There are multiple adjustment components (3), and every three adjustment components (3) form a group. The adjustment components (3) in each group are respectively a transverse steel bar adjustment component (5), a longitudinal steel bar adjustment component (6) and a diagonal steel bar adjustment component (7). The transverse steel bar adjustment component (5) is used to tighten and adapt to the steel bar (4) that is arranged transversely. The longitudinal steel bar adjustment component (6) is used to tighten and adapt to the steel bar (4) that is arranged longitudinally. The diagonal steel bar adjustment component (7) is used to tighten and adapt to the steel bar (4) that is arranged diagonally.

8. An adjustable stirrup positioning jig according to claim 7, characterized in that: Each set of adjustment components (3) is located near the corner of the support plate (2).

9. An adjustable stirrup positioning jig according to claim 7, characterized in that: The central axis of the transverse rebar adjustment assembly (5) is perpendicular to the central axis of the longitudinal rebar adjustment assembly (6), and the oblique rebar adjustment assembly (7) is located inside the transverse rebar adjustment assembly (5) and the longitudinal rebar adjustment assembly (6).

10. An adjustable stirrup positioning jig according to claim 1, characterized in that: The bracket (1) includes a leg (1-1) and a support beam (1-2), the support beam (1-2) being arranged perpendicularly to the leg (1-1) and the support beam (1-2) being fixed to the top of the leg (1-1).

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