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Method for manufacturing thin-wall pipe for cast-in-situ concrete hollow core floor slab and special apparatus therefor

A technology of hollow floor slabs and production methods, applied in the direction of reinforced molding, etc., can solve the problems of difficult automatic mass production, uneven thickness of thin-walled pipes, uneven plastering, etc., and achieve the effects of light weight, easy operation, and high output

Inactive Publication Date: 2004-08-25
綦玉良
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the latter method solves the problems of the aforementioned method, it still has the problem of uneven thickness of the thin-walled tube caused by uneven plastering or uneven force of the slurry during the rolling process.
And above-mentioned two kinds of methods all are difficult to realize automatic mass production, operation is loaded down with trivial details, production efficiency is low

Method used

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  • Method for manufacturing thin-wall pipe for cast-in-situ concrete hollow core floor slab and special apparatus therefor
  • Method for manufacturing thin-wall pipe for cast-in-situ concrete hollow core floor slab and special apparatus therefor

Examples

Experimental program
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Effect test

Embodiment 1

[0021] Embodiment 1 As shown in Figures 1 and 2: the slurry containing reinforcing materials is selected, that is, reinforcing wires such as glass fiber filaments and steel wires are mixed in the cementitious material, and the end cover is prefabricated in the mold with the slurry. Make support 7 with metal, left crossbeam 8 is arranged on the support 7, right crossbeam 9, right crossbeam 9 is connected on the support 7 by pin shaft, bearing 10 is fixed on the left crossbeam 8, and axle sleeve 11 is fixed on the right crossbeam 9, The inner shaft 2 passes through the bearing 10 and the shaft sleeve 11 . Outer cylinder 1 is fastened by the semi-cylinders 18,19 that are all connected with clamping plate 20 on two longitudinal sides, connects clamping plate 20 by fastener 21, can open and close semi-cylinders 18,19 as required. First close the outer cylinder 1, use screws at both ends of the outer cylinder 1 to make the ring flexibly connected to the inner surface of the port of ...

Embodiment 2

[0022] Embodiment 2 is also shown in Fig. 1 and Fig. 2: selecting the slurry containing reinforcing material means adding reinforcing wires such as glass fiber filaments and steel wires in the cementitious material. Its special equipment is different from Embodiment 1 in that an intermediate beam 15 connected with the bracket 7 is also provided between the outer cylinder 1 and the left beam 8, and a bearing 16 is fixed on the intermediate beam 15, and the inner hole of the shaft sleeve 11 is connected with the There is a gap 17 between the inner shafts 2 . And the inner shaft 2 is divided into two sections, the front section is connected with the speed regulating motor 13 by the belt pulley 12, the rear section is placed in the outer cylinder 1, and the front section and the rear section are connected by the shaft coupling 14. The inner shaft 2 of different diameters can be replaced as required. The slurry is sent into the outer cylinder 1 from the opening between the bottom ...

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Abstract

The production method of thin wall pipe for in-situ concrete hollow floor slab includes the following steps: the outer sleeve which can be opened and closed is cover-mounted on the inner shaft, both are not coaxial, between inner surface of outer sleeve on the longitudinal section and outer surface of inner shaft there is a gap, two ends of said gap are respectively equipped with plug; the slurry containing reinforcement material can be placed in the interior of outer sleeve, the outer sleeve can be rotated until the slurry containing reinforcement material is formed into slurry layer whose thickness is identical to the gap on the inner wall of outer sleve, i.e. formed into pipe blank of thin wall pipe, two ends of the thin-wall pipe are blocked, said pipe blank is cured and formed. Said invention also provides its special equipment and components.

Description

Technical field: [0001] The invention relates to a production method and special equipment for a permanent tire form for cast-in-situ concrete hollow floor slabs. In particular, the invention relates to a production method and special equipment for thin-walled pipes for cast-in-situ concrete hollow floor slabs. Background technique: [0002] At present, cast-in-place concrete hollow-core slabs have been widely used in various buildings due to their light weight, good integrity and continuity, and simple construction. The construction method of the cast-in-place concrete hollow floor slab is to place the inner tube mold in the steel frame according to the design requirements, and pour concrete. Therefore, the quality of the used inner tube mold of the cast-in-place concrete hollow slab will directly affect the quality of the cast-in-place concrete hollow slab, which directly affects the quality of the whole building and the cost of the construction project. For this reason,...

Claims

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Application Information

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IPC IPC(8): B28B21/56
Inventor 綦玉良
Owner 綦玉良