Bridge pier column protective layer control device

By using a bridge pier protective layer control device, the thickness of the protective layer can be adjusted by the fixing and positioning structures of the inner and outer formwork. This solves the problem of measurement affecting construction efficiency in existing technologies and achieves precise control and efficient construction before formwork installation.

CN223907362UActive Publication Date: 2026-02-13HENAN HIGHWAY ENG SUPERVISION CONSULTING CO LTD
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Patent Information

Application Number
CN202520520273.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-02-13
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

In existing technologies, the measurement of the concrete cover thickness for steel reinforcement in bridge pier construction must be carried out after the formwork is installed, which affects construction efficiency.

Method used

Design a bridge pier protective layer control device, including an inner template and an outer template. The thickness of the protective layer is adjusted by a fixing structure and a positioning structure. The inner template is connected to the main reinforcement. The distance between the outer template and the inner template is adjustable. A measuring ruler is used to accurately control the thickness of the protective layer.

Benefits of technology

This allows for precise control of the protective layer thickness before template installation, improving construction efficiency and simplifying the measurement and adjustment process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a bridge pier column protective layer control device in the technical field of highway bridge pier column construction, which comprises a pier column main rib, an outer template is arranged outside a pier column, the outer template is matched with an inner template, a plurality of fixing structures are arranged on the inner template, and the fixing structures are detachably connected with the inner template. The inner formwork is connected with the main ribs through a plurality of fixing structures, and the distance between the inner formwork and the outer formwork is controlled through a positioning structure. The inner formwork is arranged on the main rib of the pier column through the fixing structure, the distance is adjusted through the positioning structure between the inner formwork and the outer formwork, so that the thickness of a protective layer is controlled, the pouring formwork is arranged on the outer side of the outer formwork after adjustment is completed, the inner formwork and the outer formwork are detached and poured, the pouring formwork is conveniently positioned, and then the thickness of the protective layer of the pier column is controlled.
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Description

TECHNICAL FIELD

[0001] The utility model relates to highway bridge pier construction technical field especially relates to a bridge pier protection layer control device. BACKGROUND

[0002] The steel bar protection layer refers to the concrete layer for protecting the steel bar from being exposed, and the thickness of the protection layer generally refers to the actual thickness between the actual outer surface of the steel bar and the outer edge of the surface of the concrete layer.

[0003] In the prior art, the thickness of the steel bar protection layer needs to be measured before the pier formwork is set up and the pier is poured with concrete, and the ordinary steel tape is generally used for measurement and the reading is recorded by visual observation, but this method needs to be measured after the pouring formwork is installed, and the formwork is adjusted after measurement, which affects the construction efficiency.

[0004] Therefore, in view of the above problems, a bridge pier protection layer control device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a bridge pier protection layer control device, which can control the thickness of the pier protection layer before the pouring formwork is installed.

[0006] The technical scheme for solving the technical problem of the utility model is as follows: a bridge pier protection layer control device, comprising a pier main reinforcement, an outer formwork arranged outside the pier, the outer formwork cooperates with an inner formwork, a plurality of fixing structures are arranged on the inner formwork, the fixing structures are detachably linked with the inner formwork, the inner formwork is connected with the plurality of main reinforcements through the plurality of fixing structures, and the interval between the inner formwork and the outer formwork is controlled through a positioning structure.

[0007] The inner formwork is arranged on the main reinforcement of the pier through the fixing structure, the interval between the inner formwork and the outer formwork is adjusted through the positioning structure, so that the thickness of the protection layer is controlled, the pouring formwork is arranged outside the outer formwork after adjustment, the inner formwork and the outer formwork are detached and poured, and the pouring formwork is conveniently positioned to control the thickness of the pier protection layer.

[0008] As a preferred, the fixing structure comprises a clamp and a mounting block, the clamp is connected with the main reinforcement, the clamp is arranged on the mounting block, and the mounting block is arranged on the inner formwork.

[0009] The mounting block is installed with the main reinforcement through the clamp, so that the installation and subsequent disassembly are facilitated.

[0010] As a preferred, the two sides of the mounting block are symmetrically provided with angle codes, the angle codes are connected with the inner formwork through connecting bolts, and the mounting block in the middle of the inner formwork is provided with the positioning structure.

[0011] The mounting block is connected with the inner formwork through the angle code, facilitating on-site installation and facilitating adjustment of the position of the mounting block according to the condition of the reinforcement cage on site.

[0012] As preferred, the positioning structure comprises a positioning screw, the positioning screw passes through a positioning block on the outer formwork, and a nut is arranged on the positioning screw and located on the side of the positioning block away from the main reinforcement.

[0013] The nut and the positioning screw are threadedly matched to control the distance between the outer formwork and the inner formwork.

[0014] As preferred, the positioning structure further comprises a mounting table arranged on the outer formwork, an arc-shaped groove arranged on the mounting table, a rotating shaft rotatably arranged on the mounting table and located in the arc-shaped groove, and a measuring scale arranged on the rotating shaft and lapped at a baffle connected with the arc-shaped groove and pointing to the center of the pier column.

[0015] The rotating shaft is rotatably arranged in the arc-shaped groove of the mounting table, facilitating rotation of the measuring scale and reducing the influence of the measuring scale on the installation of the inner formwork and the outer formwork.

[0016] As preferred, the mounting blocks on the two sides of the inner formwork are provided with guide plates, the guide plates are slidably connected with limiting blocks, limiting holes are arranged on the limiting blocks and the guide plates are slidably connected in the limiting holes, and mounting screws are arranged on the limiting blocks and connected with the guide plates.

[0017] The mounting frame of the inner formwork is provided with the guide plates and the limiting blocks, which support the outer formwork, and after the position of the outer formwork is determined, the guide plates and the limiting blocks are fixed through the mounting screws, thereby fixing the position of the outer formwork.

[0018] The effects provided in the content of the utility model are only the effects of the embodiments, not all the effects of the utility model, and the above technical solutions have the following advantages or beneficial effects:

[0019] The inner formwork is arranged on the main reinforcement of the pier column through the fixing structure, the positioning structure between the inner formwork and the outer formwork adjusts the distance, thereby controlling the thickness of the protective layer, after the adjustment is completed, the pouring formwork is arranged on the outer side of the outer formwork, the inner formwork and the outer formwork are disassembled and poured, the pouring formwork is conveniently positioned, and the thickness of the protective layer of the pier column is controlled.

[0020] The mounting frame of the inner formwork is provided with the guide plates and the limiting blocks, which support the outer formwork, and after the position of the outer formwork is determined, the guide plates and the limiting blocks are fixed through the mounting screws, thereby fixing the position of the outer formwork. BRIEF DESCRIPTION OF DRAWINGS

[0021] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application.

[0022] Figure 1 It is a structural schematic view of the present application.

[0023] Figure 2 It is a structural schematic view of the present application Figure 1 It is an enlarged schematic view of structure A.

[0024] Figure 3 It is a structural schematic view of the present application Figure 1 It is an enlarged schematic view of structure B.

[0025] In the figure, 1, main reinforcement; 2, outer formwork; 3, inner formwork; 4, clamp; 5, mounting block; 6, corner code; 7, connecting bolt; 8, positioning screw; 9, positioning block; 10, nut; 11, mounting table; 12, arc-shaped groove; 13, rotating shaft; 14, measuring scale; 15, baffle; 16, guide plate; 17, limiting block; 18, guide hole; 19, mounting screw. DETAILED DESCRIPTION

[0026] In order to clearly illustrate the technical features of the scheme, the utility model is described in detail below through specific implementation, and combined with its drawings. The following disclosure provides many different embodiments or examples to realize different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. In addition, the utility model can repeatedly refer to numbers and / or letters in different examples. Such repetition is for the purpose of simplification and clarity, and in itself does not indicate the relationship between the various embodiments and / or settings discussed. It should be noted that the components illustrated in the drawings are not necessarily drawn to scale. The utility model omits the description of known components and processing techniques and processes to avoid unnecessary limitations on the utility model. The orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] As Figures 1 to 3 shown, a bridge pier column protection layer control device, including pier main reinforcement 1, pier outside setting outer formwork 2, outer formwork 2 and inner formwork 3 cooperate, inner formwork 3 is provided with a plurality of fixed structures, fixed structure and inner formwork 3 can be detachably linked, inner formwork 3 is connected through a plurality of fixed structures and a plurality of main reinforcement 1, the interval between inner formwork 3 and outer formwork 2 is controlled by positioning structure. Inner formwork 3 is arranged on the main reinforcement 1 of the pier through the fixed structure, the positioning structure between the inner formwork 3 and the outer formwork 2 adjusts the interval, so as to control the thickness of the protection layer, after the adjustment is completed, the pouring formwork is arranged outside the outer formwork 2, and the inner formwork 3 and the outer formwork 2 are disassembled and poured.

[0028] The fixed structure includes a clamp 4 and a mounting block 5, the clamp 4 is connected with the main reinforcement 1, the clamp 4 is arranged on the mounting block 5, and the mounting block 5 is arranged on the inner formwork 3. The mounting block 5 is installed with the main reinforcement 1 through the clamp 4, which is convenient for installation and subsequent disassembly.

[0029] The two sides of the mounting block 5 are symmetrically provided with the corner code 6, the corner code 6 is connected with the inner formwork 3 through the connecting bolt 7, and the mounting block 5 in the middle of the inner formwork 3 is provided with a positioning structure. The mounting block 5 is connected with the inner formwork 3 through the corner code 6, which is convenient for on-site installation and convenient for adjusting the position of the mounting block 5 according to the condition of the reinforcement cage on site.

[0030] The positioning structure comprises a positioning screw 8, the positioning screw 8 passes through a positioning block 9, the positioning block 9 is located on the outer formwork 2, a nut 10 is arranged on the positioning screw 8, and the nut 10 is located on the side of the positioning block 9 away from the main reinforcement 1. The nut 10 is matched with the positioning screw 8 through threads to control the distance between the outer formwork 2 and the inner formwork 3.

[0031] The positioning structure further comprises a mounting table 11, the mounting table 11 is arranged on the outer formwork 2, an arc-shaped groove 12 is arranged on the mounting table 11, a rotating shaft 13 is rotatably arranged on the mounting table 11, the rotating shaft 13 is located in the arc-shaped groove 12, a measuring scale 14 is arranged on the rotating shaft 13, the measuring scale 14 is lapped at a baffle 15, the baffle 15 is connected with the arc-shaped groove 12, and the baffle 15 points to the center of the pier column. The rotating shaft 13 is rotatably arranged in the arc-shaped groove 12 of the mounting table 11, which is convenient for driving the measuring scale 14 to rotate and reducing the influence of the measuring scale 14 on the installation of the inner formwork 3 and the outer formwork 2. When it is necessary to measure the distance between the inner formwork 3 and the outer formwork 2, the measuring scale 14 is lapped at the baffle 15, and then the measurement is carried out.

[0032] The mounting block 5 on the two sides of the inner formwork 3 is provided with a guide plate 16, the guide plate 16 is slidably connected with a limiting block 17, the limiting block 17 is provided with a guide hole 18, the guide plate 16 is slidably connected in the guide hole 18, the limiting block 17 is provided with a mounting screw 19, and the mounting screw 19 is connected with the guide plate 16. The mounting frame of the inner formwork 3 is connected with the limiting block 17 through the guide plate 16, which plays a role in supporting the outer formwork 2. After the position of the outer formwork 2 is determined, the guide plate 16 and the limiting block 17 are fixed through the mounting screw 19, so as to fix the position of the outer formwork 2.

[0033] Working principle: a plurality of mounting blocks 5 are arranged on the inner formwork 3 through the corner code 6, the mounting block 5 is connected with the clamp 4 and the main reinforcement 1, the mounting block 5 in the middle of the inner formwork 3 is provided with the positioning screw 8, the positioning screw 8 is connected with the positioning block 9 and the nut 10 on the outer formwork 2, the mounting block 5 on the two sides of the inner formwork 3 is provided with the guide plate 16, the guide plate 16 is slidably connected in the limiting block 17 on the outer formwork 2, the measuring scale 14 is arranged on the outer formwork 2, the measuring scale 14 is lapped on the baffle 15 for measurement, the position of the outer formwork 2 is adjusted by rotating the nut 10 during measurement, after the position of the outer formwork 2 is determined, the guide plate 16 is fixed on the limiting block 17 through the mounting screw 19, a pouring formwork is arranged outside the outer formwork 2, and then the inner formwork 3 and the outer formwork 2 are removed after the pouring formwork is installed, and pouring is carried out.

[0034] The utility model has been described in combination with the drawings above, but is not limited to the protection scope of the utility model, and various modifications or changes made by those skilled in the art on the basis of the technical scheme of the utility model without creative labor are still within the protection scope of the utility model.

Claims

1. A bridge pier column protection layer control device, comprising a pier column main reinforcement (1), an outer formwork (2) is arranged outside the pier column, and the outer formwork (2) is matched with an inner formwork (3), characterized in that: The inner template (3) is provided with a plurality of fixing structures, the fixing structures are detachably linked with the inner template (3), the inner template (3) is connected with the plurality of main bars (1) through the plurality of fixing structures, and the interval between the inner template (3) and the outer template (2) is controlled through the positioning structure. ​ 2. The bridge pier protection layer control device according to claim 1, characterized in that: The fixing structure comprises a clamp (4) and a mounting block (5), the clamp (4) is connected with the main bar (1), the clamp (4) is arranged on the mounting block (5), and the mounting block (5) is arranged on the inner template (3).

3. The bridge pier protection layer control device according to claim 2, characterized in that: The two sides of the mounting block (5) are symmetrically provided with angle codes (6), the angle codes (6) are connected with the inner template (3) through connecting bolts (7), and the mounting block (5) arranged in the middle of the inner template (3) is provided with a positioning structure.

4. The bridge pier protection layer control device according to claim 3, characterized in that: The positioning structure comprises a positioning screw (8), the positioning screw (8) penetrates a positioning block (9), the positioning block (9) is located on the outer template (2), a nut (10) is arranged on the positioning screw (8), and the nut (10) is located on the side, away from the main bar (1), of the positioning block (9).

5. The bridge pier protection layer control device according to claim 4, characterized in that: The positioning structure further comprises a mounting table (11), the mounting table (11) is arranged on the outer template (2), an arc-shaped groove (12) is arranged on the mounting table (11), a rotating shaft (13) is rotatably arranged on the mounting table (11), the rotating shaft (13) is located in the arc-shaped groove (12), a measuring scale (14) is arranged on the rotating shaft (13), the measuring scale (14) is lapped at a baffle (15), the baffle (15) is connected with the arc-shaped groove (12), and the baffle (15) points to the center of the pier column.

6. The bridge pier protection layer control device according to claim 4, characterized in that: The mounting blocks (5) arranged on the two sides of the inner template (3) are provided with guide plates (16), the guide plates (16) are slidably connected with limiting blocks (17), the limiting blocks (17) are provided with guide holes (18), the guide plates (16) are slidably connected in the guide holes (18), mounting screws (19) are arranged on the limiting blocks (17), and the mounting screws (19) are connected with the guide plates (16).