KR100899094B1 - Apparatus for wiring holding of a strain gauge - Google Patents

Abstract

Disclosed is a tension test jig apparatus for small diameter wiring. The tensile test jig device of the small diameter wiring disclosed is a circular jig in which a plurality of slits of different widths are arranged in a circular shape so that wiring of different diameters can be fitted, and the wires are fitted into the slits so that the terminal of the wiring is caught on the inner side. And a moving plate connected to a screw round bar rotated by a motor so as to move in a straight line and spaced from the circular jig, and connected to a strain gauge, the electrical resistance of which is changed by deformation, to apply a tensile force to the strain gauge. The fixed plate is fixed and moved in a straight line with the moving plate, and the serration is formed to face the serration of the fixed plate and the fixed plate that the wiring bites. Wire to the circular plate connected to the strain gauge by including For holding the one end, the other end of the wiring can be easily fixed to the fixed plate and the physical control the serration of the pressure plate on the mobile plate is moved by a motor.

Circular jig, moving plate, fixed plate, pressure plate, pressure screw

Description

Tensile force test jig device for small diameter wiring {APPARATUS FOR WIRING HOLDING OF A STRAIN GAUGE}

1 is a plan view of a tensile force test jig device of a small diameter wiring according to an embodiment of the present invention.

2 is a perspective view of an arrangement of the fixing plate and the pressing plate of FIG.

Figure 3 is a perspective view of the wiring is arranged in the circular jig of FIG.

Figure 4 is a perspective view of the wiring is fixed to the circular jig of FIG.

<Explanation of symbols on main parts of the drawings>

10: wiring 20: tensile force tester

30: round screw 100: round jig

102: outer disk 103: passage

105: internal disc 106: slit

107: fixed disk 108: tightening screw

110: moving plate 115: fixed plate

116: platen 118: serration

120: rail plate 130: pressure screw

135: handle

The present invention relates to a tensile force test jig device for wiring, and more particularly to a tensile force test jig device for fixing the wiring in the tensile force test device of the wiring.

In general, the supply of power in a vehicle or an apparatus is made by coated wires, and the wiring harness is also designed with the design of the vehicle.

Therefore, the plurality of wires included in the wiring harness are cut in advance to a length corresponding to the distance between the parts to be connected, and both ends thereof are peeled off, and then the terminals are coupled to increase the efficiency of the wiring harness operation.

Here, a device for supplying a wire and cutting it to a predetermined length, performing stripping of the coating material on the end of the wire, inserting a sealing member on the coated portion, and pressing the terminal is called a wire processing machine.

In addition, a wire cut to a certain length in a wire processing machine and the terminal bonded to the end must be subjected to a tensile test beforehand to determine whether it is able to withstand the tensile force received when wired to the vehicle for a long time or how much the allowable stress is.

By the way, the conventional tensile force tester is not provided with a jig to which the wiring is fixed by the coating material is not provided, there was an inconvenience to temporarily fix the wiring every time.

The present invention has been made to solve the above-described problems of the prior art, a small diameter wire to make it easy to fix the tension test by fixing a thin diameter wire cut to a predetermined length in the wire processing machine to the tension test device It is an object to provide a tension test jig device for a ring.

In the configuration of the tensile force test jig device for small diameter wiring according to the present invention for solving the above problems, a plurality of slits of different widths are arranged in a circle so that wiring of different diameters can be fitted, and the wiring is connected to the slits. It includes a circular jig inserted into the inner side of the inner side of the wiring jig, connected to a screw round bar rotated by a motor so as to move in a straight line spaced from the circular jig, and is connected to a strain gauge that is changed in electrical resistance by deformation And a moving plate for applying a tensile force to the gauge, the fixed plate being fixed to the moving plate and moving in a straight line with the moving plate, and having a serration in which a wiring bites, and wiring facing the serration of the fixed plate. A serration is formed to fix the gap and moves from the movable plate to the fixed plate side. It includes a pressure plate coupled to be slide.

Hereinafter, with reference to the accompanying drawings will be described with reference to the accompanying drawings a preferred embodiment of the tensile force test jig device of a small diameter wiring according to the present invention. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

In addition, the following examples are not intended to limit the scope of the present invention but merely presented by way of example, and there may be various embodiments implemented through the present invention.

Example

1 is a plan view of a tensile force test jig device of a small diameter wiring according to an embodiment of the present invention, Figure 2 is a perspective view of the arrangement of the fixed plate and the pressure plate of Figure 1, Figure 3 is a wire in the circular jig of Figure 1 4 is a perspective view in which a ring is disposed, and FIG. 4 is a perspective view in which wiring is fixed to the circular jig of FIG. 1.

As shown, the tension test jig device of a small diameter wiring according to an embodiment is provided with a strain gauge therein, is installed in the tension tester 20 to display the measured tensile force on the strain gauge to facilitate both ends of the wire It is jig to fix.

Here, the inside of the tensile force tester 20 is rotated by a motor and a motor that is connected to the other end of the wiring 10 fixed to one end to apply a tensile force to the wiring 10 to be used as a specimen of the tensile force tester 20 Screw round bar 30 is installed.

In this case, some of the configuration in which the strain gauge is disposed internally in the tensile force tester 20 or a specific configuration in which the motor and the screw round bar 30 are installed therein is not shown in the drawings, but the technical configuration is a general tensile tester ( 20 is a technique known in the art, and having a strain gage and a screw round bar 30 of a motor, a person skilled in the art is determined to have difficulty in manufacturing the tensile force tester 20, and is omitted.

Here, although some components of the tensile force tester 20 are not shown in the drawings, it can be seen that enough to explain the technical idea of the present invention, the tensile force tester 20 is not shown or forward Some components that are not specifically described should not be regarded as essential components of the technical spirit of the present invention.

Tensile force test jig device of a small diameter wiring 10 according to an embodiment is a plurality of slits 106 of different widths are arranged in a circular shape so that the wiring 10 is relatively small in diameter, the slits 106 Including a circular jig 100 is inserted into the wiring 10 to the terminal of the wiring 10 in the inner side portion, the screw round bar 30 is rotated by the motor to be moved in a straight line spaced from the circular jig 100 And a moving plate 110 fixed to the inside of the tensile force tester 20 and connected to a strain gauge which is changed in electrical resistance by deformation to exert a tensile force on the strain gauge.

At this time, the circular jig 100 includes an outer disk 102, which is fixed to the upper surface of the tensile force tester 20 and the passage 103 through which the wiring 10 passes, and on the inner side of the outer disk 102. It includes an internal disc 105 that is indented and constrained and has a plurality of slits 106 arranged in a circle.

Here, one end of the wiring 10 to which the terminal 112 is coupled passes through the passage 103 of the outer disk 102 so that the wiring 10 is fitted into the slit 106 of the inner disk 105. The terminal 112 is caught by the inner surface portion that forms the slit 106 in the inner disc 105.

In addition, the inner disk 105 is disposed to be rotatable in the outer disk 102, the inner disk 105 of the wiring 10 by a fastening screw 108 fixed to the lower portion of the outer disk 102. A circular plate 107 may be placed to constrain the one end to which the terminal 112 is coupled to the inner disc 105.

And, on the moving plate 110 is provided with a fixed plate 115 is fixed to the moving plate 110 and moved in a straight line with the moving plate 110, the serration 118 biting the wiring 10 is formed, The serration 118 is formed to face the serration 118 of the fixed plate 115 to bury the wiring 10, and the pressure plate 116 coupled to the sliding plate 110 by sliding toward the fixed plate 115. Is provided.

In addition, the moving plate 110 is provided with a rail plate 120 for both sides of the pressing plate 116 is fixed to the sliding coupling on both sides of the pressing plate 116 to constrain the pressing plate 116 to slide toward the fixing plate 115 side.

In addition, the movable plate 110 is screwed on the movable plate 110 to move the pressing plate 116 to the fixed plate 115 side from one side of the pressing plate 116, the handle 135 is provided to facilitate manual rotation. One pressurizing screw 130 is provided, and the female screw plate 140 to which the pressurizing screw 130 is screwed is provided.

At this time, the other end of the wiring 10 is placed between the fixed plate 115 coupled to the moving plate 110 and the serration 118 of the pressing plate 116, the handle 135 is manually rotated to press The pressure plate 116 is moved to the stationary plate 115 by the screw 130 so that the wire 10 having a relatively small diameter is connected to the serration 118 of the stationary plate 115 by the serration 118 of the pressure plate 116. It can be easily bitten and fixed to.

As described above, the wiring 10 has one end thereof caught by the terminal 112 on the slit 106 of the circular jig 100, and the other end thereof is sandwiched between the pressing plate 116 and the fixing plate 115. It can be secured with a specimen to test the tension on the upper surface.

In addition, the wiring 10 fixed to the tensile force tester 20 is driven by the motor, and is subjected to the tensile force by the movement of the moving plate 110 that is screwed and moved to the screw round bar 30 rotated by the motor. As the movable plate 110 applies a tensile force to a strain gauge fixed to the inside of the tensile force tester 20, the wiring 10 generated when the wiring 10 is disconnected from the display panel of the tensile force tester 20. Maximum stress can be indicated.

Tensile force test jig device of a small diameter wiring according to the present invention is configured as described above is a relatively small diameter wire cut in a predetermined length in the wire processing machine easily by a fixed plate and a pressure plate formed with a circular jig and serration formed in the tensile force tester By fixing, a stable tensile test can be easily and stably performed.

Claims (3)

delete A circular jig having a plurality of slits having different widths arranged in a circle so that wirings having different diameters may be fitted, and the wires being fitted to the slits to catch the terminals of the wiring on the inner side surface; A moving plate connected to a screw round bar that is rotated by a motor so as to move in a straight line while being spaced from the circular jig, and is fixed to an inside of a tensile force tester, and connected to a strain gauge that changes electrical resistance by deformation, and applies a tensile force to the strain gauge; A fixed plate fixed to the moving plate and moving in a straight line with the moving plate and having a serration in which wiring is bitten; And The serration is formed to bit the wiring facing the serration of the fixed plate is formed, comprising a pressure plate coupled to slide from the moving plate to the fixed plate side, The moving plate is provided with a rail plate is fixed to the sliding plate on both sides of the pressing plate on both sides of the pressing plate to restrain the pressing plate to be slid to the fixed plate side, the tension test jig device for small diameter wiring. The method of claim 2, The movable plate is provided with a screw screwed on the movable plate to move the pressure plate from one side of the pressure plate to the fixed plate side, the handle is provided with a pressure screw for easy manual rotation, the female screw screwed the pressure screw Tensile force test jig device of a small diameter wiring, characterized in that the plate is provided.

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