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Split bolt assembly and method for mounting wall formwork

A technology of pulling bolts and kits, which is applied to the joints of formwork/formwork/work frame, the preparation of building components on site, construction, etc., which can solve the problem that it is difficult to ensure the quality of wall bolt holes and affect the wall. Forming quality, waste of human resources and other issues, to avoid labor waste and quality risks, improve construction quality, and improve work efficiency

Inactive Publication Date: 2018-05-08
CHINA THIRD METALLURGICAL GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. The cut PVC pipe head becomes construction waste and requires secondary cleaning;
[0004] 2. Manual drilling is a waste of human resources; and it is difficult to guarantee the quality of the wall bolt holes
[0005] 3. In the past, the tension bolt installation place is easy to generate too concentrated load on the formwork, resulting in slight deformation of the formwork and affecting the quality of wall formation

Method used

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  • Split bolt assembly and method for mounting wall formwork
  • Split bolt assembly and method for mounting wall formwork

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A pair of pull bolt kits, comprising a pull bolt rod 4, a fastening nut 1, and a casing 6, the pull bolt rod 4 is set in the casing 6, and the two ends of the pull bolt rod 4 are provided with a fastening nut 1, Both ends of the casing 6 are provided with a tapered plastic hole-forming pad 3 , and a backing plate 2 is provided between the tapered plastic hole-forming pad 3 and the fastening nut 1 .

[0031] The middle part of the pull bolt rod 4 is wound with a rope 7, and the rope 1 is a hemp rope with a diameter of 1 mm. The large end face of the tapered plastic hole-forming pad 3 is provided with 4 grooves 8, and the outer surface of the tapered plastic hole-forming pad 3 is covered with a woven cloth 9, and the woven cloth is gauze.

Embodiment 2

[0033] A pair of pull bolt kits, comprising a pull bolt rod 4, a fastening nut 1, and a casing 6, the pull bolt rod 4 is set in the casing 6, and the two ends of the pull bolt rod 4 are provided with a fastening nut 1, Both ends of the casing 6 are provided with a tapered plastic hole-forming pad 3 , and a backing plate 2 is provided between the tapered plastic hole-forming pad 3 and the fastening nut 1 .

[0034] The middle part of the pull bolt rod 4 is wound with a wire rope 7, and the wire rope 1 is a cotton rope with a diameter of 1.2 mm. Conical plastic hole-forming pad 3 large end faces are provided with 4 grooves 8, and the outer surface of conical plastic hole-forming pad 3 is covered with woven cloth 9, and the woven cloth is hemp sheet.

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Abstract

The invention relates to a split bolt assembly comprising a split bolt bar, fastening nuts and a sleeve. The split bolt bar is sleeved with the sleeve, the fastening nuts are arranged at the two endsof the split bolt bar; conical plastic hole-forming cushions are arranged at the two ends of the sleeve; cushion plates are arranged between the conical plastic hole-forming cushions and the fasteningnuts; a thread rope is wound around the middle of the split bolt bar; multiple grooves are formed in the large end faces of the conical plastic hole-forming cushions; and the outer surfaces of the conical plastic hole-forming cushions are covered with woven fabrics. The split bolt assembly is simple in structure, reasonable in design and convenient to use, the split bolt bar is not liable to stick to concrete and thus can be reused for multiple times, and the construction cost is reduced.

Description

technical field [0001] The invention relates to a building construction appliance, in particular to a pull bolt set. Background technique [0002] During the construction of the main structure wall, the wall adopts pull bolts through PVC sleeves, and the bolt holes need to be waterproofed after the wall formwork is removed. In previous projects, when workers blocked the bolt holes, they used tools to cut off the PVC pipe and chisel the bolt holes. The main defects are: [0003] 1. The cut PVC pipe head becomes construction waste and requires secondary cleaning; [0004] 2. Manual drilling is a waste of human resources; and it is difficult to guarantee the quality of the wall bolt holes. [0005] 3. In the past, the installation place of the pull bolts is easy to generate too concentrated load on the formwork, resulting in slight deformation of the formwork and affecting the quality of the wall formation. Contents of the invention [0006] The technical problem to be sol...

Claims

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Application Information

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IPC IPC(8): E04G17/065
CPCE04G17/0652
Inventor 常晓齐王钰
Owner CHINA THIRD METALLURGICAL GRP
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