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Composite type axial cold extruding steel bar connecting sleeve and mounting tool

A technology for steel bar connecting sleeves and installation tools, which is applied in the direction of hand-held tools, manufacturing tools, structural elements, etc., can solve the problems of wasted working hours, heavy extruders, and low efficiency, so as to avoid load burden, shorten construction time, and reduce construction costs. low effect

Pending Publication Date: 2017-06-30
青岛森林金属制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The extrusion machine is too bulky and only suitable for single connection, and the connection method is inefficient and wastes man-hours

Method used

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  • Composite type axial cold extruding steel bar connecting sleeve and mounting tool
  • Composite type axial cold extruding steel bar connecting sleeve and mounting tool
  • Composite type axial cold extruding steel bar connecting sleeve and mounting tool

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] figure 1 It is a cross-sectional view of the overcoat of the composite axial cold extruded steel bar connecting sleeve of embodiment 1; figure 2 It is a cross-sectional view of the inner sleeve in Embodiment 1; image 3 It is a sectional view of embodiment 1 set on the steel bar. In the figure, the meanings of each mark are as follows:

[0043] 11. The sleeve part of the inner sleeve; 12. The outer tapered part; 2. The jacket; 21. The inner tapered part; 22. The closing chamfer.

[0044] Composite axial cold extruded steel connection sleeve, including inner sleeve and outer sleeve 2, the inner sleeve has an inner sleeve sleeve part 11, and the inner sleeve sleeve part 11 is a complete At least one end of the outer surface of the inner sleeve part 11 is provided with an outer tapered part 12, and the diameter of the outer end of the outer tapered part 12 along the length direction of the inner sleeve part 11 is smaller than that of the outer tapered part 12 The diam...

Embodiment 2

[0064] Figure 4 is a sectional view of the cross section of the inner sleeve in embodiment 2; Figure 5 It is the sectional view of the cross section of the inner sleeve stuck on the reinforcing bar in embodiment 2; Figure 6 It is a cross-sectional view of the inner sleeve clamped on the steel bar in the second embodiment along the axial direction of the steel bar. In the figure, the same symbols as those in the drawings of Embodiment 1 still use the definitions of the symbols in Embodiment 1. The meanings of the newly appearing marks are as follows: 13. Axial ribs.

[0065] The difference between this embodiment and the above-mentioned embodiments is that: the outer surface of the sleeve part 11 of the inner sleeve is provided with an axial rib 13, the axial rib 13 extends in the axial direction, and the direction of the axial rib 13 faces the inner sleeve. The surface of the end face of the cylindrical portion 11 is an extension of the outer tapered portion 12 . Specif...

Embodiment 3

[0068] Figure 7 It is a cross-sectional view of the inner sleeve in embodiment 3; Figure 8 A schematic diagram of extrusion of the inner sheath by the outer sheath on the inner sheath in Example 3. In the figure, the same symbols as those in the drawings of Embodiment 1 still use the definitions of the symbols in Embodiment 1. The meanings of the newly appearing marks are as follows: 14. Outer flange.

[0069] The difference between this embodiment and Embodiment 1 is that: one end of the inner sleeve portion 11 is provided with an outer tapered portion 12 , and the other end of the inner sleeve portion is also provided with an outer flange portion 14 .

[0070] When one end is the outer tapered portion 12 and the other end is the flange portion, only one end needs to be provided with an outer sleeve 2 to complete the extrusion operation.

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Abstract

The invention relates to a composite type axial cold extruding steel bar connecting sleeve and a mounting tool. The composite type axial cold extruding steel bar connecting sleeve comprises an inner sleeve body and an outer sleeve body. The inner sleeve body is provided with an inner sleeve part; the inner sleeve part is a complete cylinder penetrating in the length direction of the inner sleeve part; outer conical parts are arranged at the at least one end of outer surface of inner sleeve part; and the diameters of the outer ends of the outer conical parts in the length direction of the inner sleeve part are smaller than the diameters of the inner ends of the outer conical parts in the length direction of the inner sleeve part. The outer sleeve body is provided with an outer sleeve part; the outer sleeve part is a cylinder penetrating in the length direction of the outer sleeve part; inner conical parts are arranged at one end of inner surface of outer sleeve part; and the diameters of the outer ends of the inner conical parts in the length direction of the inner sleeve part are larger than the diameters of the inner ends of the inner conical parts in the length direction of the inner sleeve part. The composite type axial cold extruding steel bar connecting sleeve can improve the machining efficiency.

Description

technical field [0001] The invention belongs to the steel bar connection application in building structures and the steel bar connection application technology in prefabricated components. In particular, it relates to a composite axial cold extruded steel bar connection sleeve and an installation tool. Background technique [0002] Existing steel bar mechanical connection methods mainly include threaded sleeve connection, grouting joint connection, and cold extrusion radial connection. [0003] The threaded connection is mainly through processing the thread on the steel bar, and tightening the two steel bars through the inner thread of the sleeve to achieve the connection effect. This method needs to process the steel bar, increases the process, wastes man-hours, and the error range of the steel bar is large, and the thread processing quality is difficult to control. On-site installation quality is difficult to manage and control. [0004] The grouting joint is connected ...

Claims

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Application Information

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IPC IPC(8): E04C5/16B25B27/00
CPCE04C5/165B25B27/00
Inventor 邓书香
Owner 青岛森林金属制品有限公司
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