Chinese finger attached to steel cord with solder
A steel rope and brazing technology, which is applied to auxiliary devices for rope making, transmission elements or pulley ropes or cables, transportation and packaging, etc., can solve the problem of poor tensile strength and unsatisfactory tensile strength at connecting parts. , resin thickness is not easy to control and other problems, to achieve the effect of high tensile strength
Active Publication Date: 2014-08-20
NV BEKAERT SA
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Problems solved by technology
However, where it is desired to obtain a continuous rope from such an assembly, the tensile strength at the joint portion is rather poor, since the thickness of the resin may not be easily controlled, which may cause a weaker tension between the two ends of the steel rope. join
Even in the case of using resin between the ends of the tubular fabric and the outer wires of the steel cord, the tensile strength at the connecting portion is not satisfactory
Method used
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[0035] Breakage of the wire rope may occur during the twisting process. However, it is desirable to obtain longer lengths of continuous rope in order to obtain a uniform continuous reinforcing element. Having a longer length without losing too much breaking load at the breaking face will avoid difficulties during rubberization of the rope. Especially for the joint section (the joint section being the section where the two steel ropes join together) a strong connection and a minimum of equal diameter or diameter variation is desired.
[0036] Figure 1a The known assembly shown in ® consists of two steel cables 14 connected by a known connector type tubular fabric 10 . The diameter (radial thickness) of the assembly over the length of the tubular fabric is equal to the sum of the diameter of the steel cord itself and the radial thickness of the tubular fabric. Therefore, there is a large increase in diameter, as shown by Figure 1b and Figure 1c The comparison is visible. ...
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Abstract
An assembly adapted for connecting two ends of a steel cord (16) comprises a connector tubular fabric (10) for connecting steel cords at two non-overlapping connecting ends, the tubular fabric positioned so that it at least partially overlaps with the two steel cords, further the two ends of the tubular fabric are connected to the steel cords by means of a solder. Such a solder may comprise tin-lead alloys or a lead free solder type. By means of such a solder, the join between the tubular fabric and the two ends of the cords is considerably improved thereby increasing the tensile strength at level of fracture.
Description
technical field [0001] The invention relates to a tubular fabric for connecting two steel cables and an assembly consisting of two steel cables and a tubular fabric for connecting said steel cables at two non-overlapping connection ends, and , the two ends of the tubular fabric are connected to the steel rope by brazing. The invention also relates to a method of connecting two steel cables to a tubular fabric at two non-overlapping connection ends by brazing. Background technique [0002] For example, tubular fabrics for connecting two steel cables are known in the art and are sometimes referred to as "Chinese fingers". Such a prior art tubular fabric 10 for connecting two steel cables is shown in FIG. 1 . It consists of wires or wires 12 which are helically interwoven or braided so as to form a cylindrical braid. There are gaps 13 between adjacent continuous lines 12 in the axial direction and in the circumferential direction. The resulting diamond-shaped network is ver...
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IPC IPC(8): F16G11/02B65H69/06C25D3/60F16G11/00
CPCF16G11/00F16G11/02D07B7/169F16G11/08
Inventor S·沃斯泰
Owner NV BEKAERT SA