Pier column protective layer thickness detection adjusting device

A technology for the thickness of the protective layer and the adjustment device, which is applied in the direction of measuring devices, erecting/assembling bridges, bridge parts, etc., can solve the problems that the accurate value of the protective layer thickness of pier columns cannot be obtained, the personal safety of construction personnel cannot be guaranteed, and the measurement accuracy is not high. , to achieve the effect of reducing construction difficulty, improving construction efficiency and ensuring personal safety

Pending Publication Date: 2022-02-01
中交一公局第七工程有限公司
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Problems solved by technology

[0007] The existing method of measuring the thickness of the protective layer of pier columns needs to be carried out by hoisting the construction personnel into the steel cage. The construction is difficult and the construction efficiency is low. High, the exact value of the thickness of the protective layer of the pier column cannot be obtained

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  • Pier column protective layer thickness detection adjusting device
  • Pier column protective layer thickness detection adjusting device
  • Pier column protective layer thickness detection adjusting device

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Embodiment Construction

[0035] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0036] see Figure 1 to Figure 8 , the embodiment of the present invention provides a detection and adjustment device for the thickness of the protective layer of the pier column, which is suitable for measuring the distance between the main reinforcement 21 in the reinforcement cage 2 and the outer layer of the pier column 3 (inside the formwork 4), which is called the thickness of the protective layer.

[0037] The luffing trolley 5 on the tower crane at the pouring site is provided with a liftable hook 6, and the detection and adjustment device is mounted on the hook 6. Since the luffing trolley 5 can move along the boom of the tower crane, the detection and adjustment device It can be lifted or moved, and is applicable to the detection ...

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Abstract

The invention discloses a pier column protective layer thickness detection adjusting device, which comprises a detection unit hung on a tower crane hook and a mobile terminal used for operating the detection unit, and through the arrangement of the detection unit and the mobile terminal, constructors can directly detect the thickness of a pier column protective layer on the outer side of a reinforcement cage, so that the construction difficulty is reduced, the construction efficiency is improved, meanwhile, the personal safety of constructors can be guaranteed, precise centering of a distance measuring sensor can be achieved through arrangement of a limiting arm, an electronic level meter, a pressure sensor, a detection rod, an electromagnetic brake and an adjusting sliding table, and the accuracy of protective layer thickness detection is guaranteed; a laser indicator can prompt constructors to perform targeted adjustment on a main reinforcement or template, the construction difficulty is further reduced, the detection unit can be adapted to detection of different pier columns and different reinforcement cages, and the universality of the equipment is greatly improved.

Description

technical field [0001] The invention relates to the technical field of bridge construction detection equipment, in particular to a detection and adjustment device for the thickness of a pier column protective layer. Background technique [0002] The national standard GB50204-2002 "Construction Quality Acceptance Code for Concrete Structure Engineering" stipulates that the allowable deviation range of the thickness of the concrete cover is -7~+10mm for beam members and -5~+8mm for slab members. [0003] According to the regulations, the thickness of the protective layer is "the thickness of the concrete protective layer calculated based on the outer edge of the outermost reinforcement (including stirrup 22, structural reinforcement, distribution reinforcement, etc.)". [0004] The regulation of the minimum thickness of the protective layer is to meet the durability requirements of the concrete structural members and the requirements for the effective anchoring of the stressed...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/08E01D21/00E01D19/02E01D101/26
CPCG01B21/08E01D21/00E01D19/02E01D2101/26
Inventor 赵延露白生利曹明瑞邓闯黄英魁丁天张鹏高文斌廖培岭陈政雷尚成刘洋梁积铭杨政徐小龙鲁俊良徐鹏庹晓川
Owner 中交一公局第七工程有限公司
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