JPH089601Y2 - Peel length gauge - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention is designed to peel a cut end of a steel core aluminum stranded wire for power transmission, and the peeling length is adapted to a hole of a retaining steel clamp. The present invention relates to a length gauge used for setting.

[Prior Art] For retaining an electric wire, as shown in FIG. 2, the aluminum layer at the end of the electric wire is cut off by a certain length L, that is, the exposed steel core wire S is covered with a bottomed hole of a steel clamp C. Insert and crimp. At that time, the peeling length must be sufficient to correspond to the depth of the bottomed hole. However, it is known that the cut electric wire has a phenomenon in which the inner steel core wire slides from the outer aluminum stranded wire layer and is drawn inward to form a bottomed hole as shown in FIG. Therefore, the peeling length must be a constant length L with reference to the drawn-in steel core wire end. For this reason, the following two methods are implemented.

First, the steel core wire is peeled to a position where it is slightly exposed, and the constant length L is measured on the basis of the exposed end portion, and the steel core wire is peeled to that position again. Secondly, based on experience, the depth of the bottomed hole due to the pulling in of the steel core wire is estimated, and the length obtained by adding the above-mentioned fixed length L is peeled. The former has the annoyance of having to peel twice. In the latter case, the depth of the bottomed holes varies, so it cannot be expected that the peeling length will always be sufficient.

[Means for solving the problem] An insertion rod that can contact the bottom of the bottomed hole of the wire and a parallel object difference are integrated via the base side, and the bottomed hole depth position can be seen on the difference. To do so. The difference is marked with a scale with that as the origin.

[Examples] The drawings will be described. Insertion rod 2 and difference 3 in base 1
And are fixed vertically. The insertion rod 2 has a length that is left in contact with the bottom of the bottomed hole of the electric wire E. The difference 3 is marked with a scale based on the point corresponding to the tip of the insertion rod 2. A certain length L is taken from this reference point and the peeling to that point is performed. As for this electric wire, the exposed steel core wire is inserted into the bottomed hole of the steel clamp C and crimped as shown in FIG.

[Effect] Only one peel is required. Eliminates any estimation and can set the exact peel length.

[Brief description of drawings]

FIG. 1 is a front view of the present invention, and FIG. 2 is a front view of a steel clamp. 1 ... Base side, 2 ... Insert rod, 3 ... Difference, E ... Electric wire,
S: Steel mandrel, C: Steel clamp.

Claims (1)

[Scope of utility model registration request] 1. Used for measuring the peeling length of a steel cored aluminum stranded wire in which an inner steel core wire is drawn by cutting to form a bottomed hole, and can protrude from the base side to abut against the bottomed hole bottom. Peeling length consisting of an insertion rod with various lengths and an object difference that is fixed to the base parallel to the insertion rod and is located outside the stranded wire and has a scale based on the point corresponding to the tip of the insertion rod. gauge.