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Basic knowledge and safety precautions of steel pipe scaffold fasteners
Release time：
2022-04-06 10:23
source：
In daily life, several fasteners are often used to connect two separate components, such as rings and rings. In the field of construction engineering, fasteners are also very important building auxiliary tools. Mainly divided into new fasteners, steel pipe scaffold fasteners, cast steel fasteners, T-shaped building fasteners, concrete pillow fasteners, wooden pillow fasteners, steel rail fasteners, and force fasteners. Among them, scaffolding fasteners are typical building construction components, and their main function is to fix steel scaffolding. Let's have a detailed understanding of the basic knowledge and usage precautions related to fixed steel scaffolding.
1、 Definition and classification of steel pipe scaffold fasteners
The steel scaffolding fastener is a connecting component between the rail and the rail pillow. Its function is to fix the rail on the rail pillow, maintain the gauge, and prevent the rail from moving vertically and horizontally relative to the rail pillow. It is often used in construction projects to fix steel scaffolding with an outer diameter of 48mm. The main fasteners commonly used for scaffolding in domestic construction projects include right angle fasteners (cross shaped fasteners and directional fasteners), rotating fasteners (movable fasteners and universal fasteners), and butt fasteners (single word fasteners and direct fasteners).
(1) Right angle fastener: a fastener used to connect vertically intersecting steel pipes.
(2) Rotating fasteners: Connect two fasteners that intersect a steel pipe at any angle.
(3) Docking fastener: A fastener used to connect two docking steel pipes.
2、 Quality standard for steel pipe scaffold fasteners
Steel pipe scaffold fasteners are mainly used for peripheral protective structures, construction operation platforms, safety protection guardrails, formwork support, foundation pit support, and other safety protection related parts in construction, electrical, municipal, water conservancy, chemical, metallurgical, coal, shipbuilding and other engineering projects. They play an important role in various safety engineering and protection work. Therefore, the quality of steel scaffold fasteners is related.
According to the latest "Implementation Rules for National Supervision and Random Inspection of Steel Pipe Scaffold Fastener Product Quality" released by the State Administration for Market Regulation in 2020, the extraction project of steel pipe scaffolding must pass all inspection items according to the table below in order to determine that the inspected product is qualified, and at least one of the inspection items is unqualified. The inspected product has been determined to be unqualified.
According to the inspection items and standards specified in the detailed rules, Wanfang has developed and manufactured the ETM205D-JS microcomputer controlled steel scaffolding fastener testing machine, which meets the experimental needs of institutions such as product quality inspection centers, production enterprises, building materials research institutes, and third-party inspection centers. The microcomputer controlled steel pipe scaffold fastener testing machine can not only fully meet the requirements of anti slip and damage resistance tests for right angle and rotating fasteners, torsion stiffness tests for right angle fasteners, tensile performance tests for butt fasteners, and compression performance tests for bases, but also can be used for general tensile, pressure, bending, shear, peeling, tearing and other tests. 3. Precautions for the use of steel pipe scaffold fasteners
In order to improve the product quality and safety of fasteners during use, it is not only necessary to strictly inspect the quality of fastener products, but also to strictly manage the use of fasteners. The correct usage method not only helps to maximize construction safety, but also helps to extend the lifespan of fasteners. The following precautions for using 5-point steel pipe scaffold fasteners are worthy of strict adherence and mastery by the construction unit.
1. Before the construction of the steel pipe formwork for fasteners, a construction plan should be developed, which is relatively strict and detailed. If the plan is not well formulated, unpredictable safety events may occur during construction.
2. Scaffold fasteners: Steel pipes and fasteners used for installing fastener template brackets must be sampled and inspected before use. Whether the quality and appearance of the steel pipes and fasteners meet the standards must be sampled and inspected according to relevant regulations
Correlation News
2023-01-03
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