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A kind of demoulding method of concrete pouring sample

A concrete and pouring mold technology, which is applied in the field of construction engineering, can solve problems such as air hole blockage, test piece performance changes, and difficulty in demoulding, and achieve the effects of preventing hole blockage, low failure rate, and preventing concrete quality from being affected

Inactive Publication Date: 2021-10-15
HUBEI UNIV OF TECH
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Problems solved by technology

[0004] In view of the performance defects of the existing technology, the purpose of the present invention is to provide a concrete sample pouring mold and a supporting concrete sample demoulding device to solve the difficulty of demoulding due to air leakage, the performance change of the test piece and the clogging of the air holes caused by the grout leakage of the bottom air holes And other issues

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  • A kind of demoulding method of concrete pouring sample
  • A kind of demoulding method of concrete pouring sample
  • A kind of demoulding method of concrete pouring sample

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Embodiment Construction

[0024] In order to make the technical means, creative features, realization goals and use functions of the present invention more clear and intuitive, the present invention will be explained in detail below in conjunction with specific embodiments.

[0025] Please refer to the attached Figure 1~6 , The invention provides a concrete sample pouring mold and a matching sample demoulding device. A concrete sample pouring mold structure as attached Figure 1~3 . The pouring mold 1 is provided with a sample chamber 111 with an upward opening surrounded by four templates 2 and a bottom plate 8 . Lateral stiffeners 3 and vertical stiffeners 4 are installed in the horizontal and vertical directions on the outer wall of the template 2 to enhance the mechanical strength of the formed chamber. The top edge of the long side of the sample chamber 111 is provided with a constraining edge 5 that is turned outwards for demoulding and fixing. The formwork 2, bottom plate 8, transverse stif...

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Abstract

The invention discloses a demoulding device for concrete pouring samples, comprising: a pouring mold, a base plate, a first mold constraint arm, a second mold constraint arm, and a jacking mechanism; There is a demoulding hole for the jacking mechanism to extend into, the bottom surface of the inner side of the sample cavity is bonded to the backing plate, and the top edge of the casting mold is provided with a restraining edge that is folded outward; a pair of chutes parallel to each other are arranged on the surface of the base plate. One end of the chute fixes the first mold constraint arm, the bottom end of the second mold constraint arm is embedded in the chute, locked in the vertical direction by the chute, and can slide along the chute, the first mold constraint arm and the second mold constraint arm The upper part of the opposite side of the mold constraint arm is provided with a barb that cooperates with the constraint and blocks the upward movement of the pouring mold; the jacking mechanism is placed in the middle of the base plate, and the first mold constraint arm and the second mold constraint arm are placed on the jacking mechanism. Between the lower barbs of the arms form a station for locking the casting mold.

Description

technical field [0001] The invention mainly relates to the field of construction engineering, in particular to a demoulding method for concrete pouring samples. Background technique [0002] Concrete is the largest and most widely used building material in the engineering field. However, there are a large number of influencing factors in production that affect the quality of concrete after molding. It is necessary to send samples of commercial concrete in use for real-time testing to ensure its molding quality. [0003] At present, a plastic mold provided by CN201710763987.6 is mainly used to test the basic mechanical properties of concrete. The concrete to be tested is poured into the mold and formed, and the basic mechanical properties test is carried out at a specified age during curing. Use a demoulding gun to align the bottom air hole for demoulding. However, if the sample is unevenly released during the demoulding process, air leakage is prone to occur, and it will be...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B28B13/06G01N1/36
CPCB28B13/065G01N1/36G01N2001/366
Inventor 白应华张佳杨启萌
Owner HUBEI UNIV OF TECH
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