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Telescopic cable box for prefabricated hollow concrete member and its application method

A technology of hollow concrete and telescopic wires, applied in the field of wire boxes, can solve problems such as inability to penetrate core pipes

Active Publication Date: 2020-11-17
北京益唯易科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the depth of pre-embedded wire boxes on the market is about 7-8cm, while the wall thickness of prefabricated hollow concrete components is much smaller than this thickness. The wire boxes protrude toward the hollow area of ​​the prefabricated hollow concrete member, which makes it impossible to pass through the core pipe

Method used

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  • Telescopic cable box for prefabricated hollow concrete member and its application method
  • Telescopic cable box for prefabricated hollow concrete member and its application method
  • Telescopic cable box for prefabricated hollow concrete member and its application method

Examples

Experimental program
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Effect test

Embodiment 1

[0035] Such as Figure 1-12 As shown, a telescopic wire box for prefabricated hollow concrete components includes an outer box 1 and an inner box 2 nested together, the outer box 1 is surrounded by four sides; the inner box 2 is composed of four Two sides and a bottom surface are surrounded; the inner surfaces of two opposite sides in the outer box 1 are provided with projections 13; The chute 22; the width of the protrusion 13 is less than or equal to the width of the chute 22.

[0036] The depth of the upper part of the chute 22 is greater than the depth of the middle and lower parts of the chute 22; the upper longitudinal section size of the chute 22 is greater than or equal to the longitudinal section size of the projection 13; the middle part of the chute 22 is provided with A ramp that slopes upward and outward. The cross section of the chute 22 is oblong. The section of the protrusion 13 is circular.

[0037] The chute 22 is located on the rib protruding from the ou...

Embodiment 2

[0047] Such as Figure 13-14 As shown, compared with Example 1, a telescopic cable box for prefabricated hollow concrete members, the four sides of the outer box 1' are provided with two wire pipe holes, one left and one right; the four sides of the inner box 2' The upper part is provided with two semicircular grooves, one left and one right, corresponding to the positions of the wire pipe holes.

[0048] Two opposite side centers in the inner box 2' are provided with ribs 21 ', and the other two side centers are provided with ribs 22' with rectangular slideways.

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Abstract

The invention discloses a telescoping line box for a precast hollow concrete component and a use method thereof. The telescoping line box for the precast hollow concrete component comprises an outer box (1), and an inner box (2) which is sleeved with the outer box (1), wherein the outer box (1) is encircled by four side surfaces; the inner box (2) is encircled by four side surfaces and a bottom surface; bumps (13) are arranged on the inner surfaces of two opposite side surfaces of the outer box (1); chutes (22) which are arranged in the length direction are formed in the outer surfaces of twoopposite side surfaces of the inner box (2); and the width of the bumps (13) is less than or equal to the width of the chutes (22). The telescoping line box for the precast hollow concrete component solves the problem that a core tube cannot penetrate in the production of the precast hollow concrete component; and the wall thickness of the precast hollow concrete component is not changed.

Description

technical field [0001] The invention relates to the technical field of wire boxes, in particular to a telescopic wire box. Background technique [0002] At present, the depth of pre-embedded wire boxes on the market is about 7-8cm, while the wall thickness of prefabricated hollow concrete components is much smaller than this thickness. The wire boxes protrude toward the hollow area of ​​the prefabricated hollow concrete member, which makes it impossible to pass through the core pipe. [0003] How to solve the problem that the pre-embedded wire box affects the core pipe during the production of prefabricated hollow concrete components has become one of the problems that need to be solved urgently in the field of prefabricated wall panels. Contents of the invention [0004] The technical problem to be solved by the present invention is to provide a telescopic wire box for prefabricated hollow concrete components and its use method. [0005] In order to achieve the above ob...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B28B23/00
Inventor 胡康利张英保张裕照
Owner 北京益唯易科技发展有限公司
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