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Strong pull connection connector

A technology of connectors and rods, which is applied in the field of connection between prefabricated parts and strong tension connection connectors, can solve problems such as large gaps and slippage, reduce moving gaps, reduce connection gaps, and improve work efficiency Effect

Active Publication Date: 2018-04-24
周兆弟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this scheme also has a fly in the ointment: the outer part of the splice is smooth, and it will slip when it is snap-fitted with the snap ring, thereby forming a free stroke and causing a large gap between the two piles

Method used

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Embodiment 2

[0046] The structure and working principle of this embodiment are basically the same as that of Embodiment 1, the difference is that, as figure 2 As shown, the inner diameter of the channel 12 gradually decreases from the end away from the snap ring positioning cavity 13 to the end having the snap ring positioning cavity 13 . Therefore, the plug joint 102 of the insertion rod 103 can be close to the inner wall of the channel 12, and when the plug joint 102 is inserted to a certain depth, it can play a positioning role.

[0047] An end of the nut body 10 away from the snap ring positioning cavity 13 extends radially of the nut body 10 to form a nut limiting ring 16 . In this embodiment, the nut limiting ring 16 is circular. Of course, the nut limiting ring 16 can also be in other shapes, such as quadrangular, polygonal, elliptical and so on. When the intermediate nut 1 is completely screwed into the second tension nut 22, the nut stop ring 16 compresses the end of the second...

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Abstract

The invention belongs to the technical field of building components, and relates to a strong tension connection plug. The technical problem of unreliable connection in the prior art is solved. It includes a first tension nut and a second tension nut respectively fixed at both ends of the prefabricated part. The first tension nut is detachably connected with an insertion rod, and the second tension nut is detachably connected with an intermediate nut. An elastic piece is arranged inside the tension nut, and a snap ring is arranged between the middle nut and the elastic piece. When the plunger is inserted into the middle nut, the snap ring can hold the plunger. The middle nut includes a nut body, and the outer wall of the nut body has an outer wall. Thread, the inside of the nut body is provided with a channel through which the plug joint can pass, and the end of the channel is enlarged to form a snap ring positioning cavity where the snap ring can be placed. The end of the snap ring positioning cavity has a When the snap ring can be blocked so as to prevent the snap ring from slipping out of the snap ring positioning cavity of the snap ring positioning cavity. The invention makes the insertion process of the connectors stable and reliable, and improves the working efficiency of construction.

Description

technical field [0001] The invention belongs to the technical field of building components, and relates to a strong tension connection connector, which is suitable for the connection between prefabricated parts. Background technique [0002] Due to the relatively poor quality stability of immersed tube piles, prefabricated prestressed concrete piles have developed rapidly in recent years. Prestressed concrete square piles are one of the pile types. Existing concrete prestressed square piles generally have a square shape. cross section. In the piling process, piles of different lengths should be selected according to different needs, which requires the piles to be connected to each other to form a longer pile body. [0003] Both ends of the existing prefabricated parts (prefabricated piles) are provided with steel plates, and the square piles are connected by mutual welding between the steel plates. After the connected pile body is pressed into the ground when the pile is p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D5/52
Inventor 周兆弟
Owner 周兆弟
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