KR101721453B1 - Apparatus for vibrating wire - Google Patents

Apparatus for vibrating wire Download PDF

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Publication number
KR101721453B1
KR101721453B1 KR1020150164698A KR20150164698A KR101721453B1 KR 101721453 B1 KR101721453 B1 KR 101721453B1 KR 1020150164698 A KR1020150164698 A KR 1020150164698A KR 20150164698 A KR20150164698 A KR 20150164698A KR 101721453 B1 KR101721453 B1 KR 101721453B1
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South Korea
Prior art keywords
vibration
fixing
base
electric wire
pair
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KR1020150164698A
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Korean (ko)
Inventor
권순건
오승균
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(주)티에이치엔
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Priority to KR1020150164698A priority Critical patent/KR101721453B1/en
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Publication of KR101721453B1 publication Critical patent/KR101721453B1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
    • G01N3/38—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by electromagnetic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00—Vibration-testing of structures; Shock-testing of structures
    • G01M7/02—Vibration-testing by means of a shake table
    • G01M7/022—Vibration control arrangements, e.g. for generating random vibrations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
    • G01N3/34—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by mechanical means, e.g. hammer blows
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/56—Investigating resistance to wear or abrasion
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/003—Environmental or reliability tests
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0001—Type of application of the stress
    • G01N2203/0005—Repeated or cyclic
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003—Generation of the force
    • G01N2203/005—Electromagnetic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/026—Specifications of the specimen
    • G01N2203/0262—Shape of the specimen
    • G01N2203/0278—Thin specimens
    • G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/04—Chucks, fixtures, jaws, holders or anvils

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a vibration testing apparatus for a vehicle electric wire. Such a testing apparatus comprises a base 3; A pair of motor assemblies M1.M2 arranged on both sides of the base 3 for generating rotational force and a pair of screw shafts M1 and M2 connected to the pair of motor assemblies M1.M2, S1) to reciprocate in the X-axis direction; Both sides are slidably mounted on a guide 17 disposed on the upper portion of the base 3 and a pair of screw shafts S1 are screwed on both sides of the lower portion to drive the motor assembly M1.M2 A diaphragm 7 which reciprocates in the X-axis direction by rotating the screw shaft S1; At least one vibration transmitting portion 9 detachably mounted on the upper portion of the diaphragm 7 to transmit vibration in the Y-axis direction; And at least one vibration switching part 11 arranged at one side of the base 3 and having a lower part mounted in a hinge structure for converting the reciprocating motion in the X axis direction of the vibration transmitting part 9 into a reciprocating rotational motion in a clockwise and counterclockwise direction )Wow; At least one wire holder (13) connected to the oscillation switching part (11) and to which the electric wire is mounted; And a plurality of fixing portions mounted on the wire holder 13 for fixing the wires.

Description

[0001] APPARATUS FOR VIBRATING WIRE [0002]

The present invention relates to a vibration testing apparatus for a vehicle electric wire, and more particularly, to an improved version of a patent application No. 10-2008-0073531 (name: a vibration device of a wire) filed by the present applicant. It is possible to carry out a vibration test on a wire of a kind, and in particular, by measuring the durability of a wire by vibrating the wire for a predetermined time and checking the state of the wire, a plurality of wire holders for fixing the wire are detachably attached And more particularly, to a vibration testing apparatus for a vehicle electric wire capable of performing a vibration test on a plurality of electric wires.

Generally, the supply of power from a vehicle, a device, or the like is performed by a coated wire. Particularly, in a vehicle, a wire harness in which a plurality of electric wires are set is used in order to transmit a condensation current of a battery or the like to an electrical electrical product without loss.

Such a wire harness (hereinafter referred to as a wire) transfers electric energy generated from a generator to each electric component, and transmits various information generated from various switches and sensors to the corresponding component.

Therefore, the wire is required to have appropriate durability or rigidity in order to stably transmit a current or a signal, and an example of such a test apparatus is also disclosed in Patent Application No. 10-2008-0073531 (name: a vibration device of a wire) Respectively.

The prior art relates to a vibrating device for a wire, comprising: a movable support (5) for vibrating a wire (W) when a vibration is transmitted; A vibration generating portion (7) generating a reciprocating motion in a linear direction; And the lower part is connected to the vibration generating part 7 so as to be capable of oscillating in a clockwise and counterclockwise direction due to the vibration transmitted from the vibration generating part 7, 1 transmission unit 9; And a second transmitting portion 11 that converts the reciprocating rotational vibration of the first transmitting portion 9 into a linear reciprocating motion in the X axis direction and transmits the linear reciprocating motion to the movable supporting member 5.

However, such a conventional wire testing apparatus has the following problems.

First, since various types of vehicles are being released in recent years, there are differences in the types of wires to be installed in each vehicle model, and also in the angle at which the vehicle is mounted. In the conventional test apparatus, There is a problem in that it is difficult to test various types of vehicles because there is a limitation in implementing a test environment for a wire arranged three-dimensionally in a vehicle.

Secondly, since only one vibration generator is provided, only one wire is tested at a time, so that the test efficiency is lowered.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a three-dimensional structure for fixing a wire, Provided is a vibration testing apparatus for a vehicle electric wire, in which the reliability of the test can be improved.

The present invention provides a vibration testing device for a vehicle electric wire, which is provided with a plurality of vibration generators and which can be coupled to a testing machine in a detachable manner and simultaneously can perform a vibration test on a plurality of electric wires.

In order to achieve the above object, the present invention provides a vibration testing apparatus for a vehicle electric wire, comprising: a base;

A pair of motor assemblies M1.M2 arranged on both sides of the base 3 for generating rotational force and a pair of screw shafts M1 and M2 connected to the pair of motor assemblies M1.M2, S1) to reciprocate in the X-axis direction;

Both sides are slidably mounted on a guide 17 disposed on the upper portion of the base 3 and a pair of screw shafts S1 are screwed on both sides of the lower portion to drive the motor assembly M1.M2 A diaphragm 7 which reciprocates in the X-axis direction by rotating the screw shaft S1;

At least one vibration transmitting portion 9 detachably mounted on the upper portion of the diaphragm 7 to transmit vibration in the Y-axis direction;

And at least one vibration switching part 11 arranged at one side of the base 3 and having a lower part mounted in a hinge structure for converting the reciprocating motion in the X axis direction of the vibration transmitting part 9 into a reciprocating rotational motion in a clockwise and counterclockwise direction )Wow;

At least one wire holder (13) connected to the oscillation switching part (11) and to which the electric wire is mounted; And

And a plurality of fixing portions mounted on the wire holder (13) for fixing the electric wires,

The vibration switching unit 11 includes a second seat 33 fixed to one side of the upper surface of the base 3; A second fixing bolt 35 threaded through the second seat 33 in the vertical direction and fixed by being fastened to a second coupling groove 43 formed on the upper surface of the base 3; A pair of hinge jaws 37 protruding from the upper portion of the second seating base 33 and spaced apart from each other by a predetermined distance; And a vibration axis (39) hingably connected to the pair of hinge jaws (37) and reciprocally rotating in a clockwise and counterclockwise direction by a transmission shaft (23)

The wire cradle (13) comprises: a first cradle frame arranged horizontally above the vibration axis (39); Second and third frames (49) arranged in the upper direction from both ends of the first mounting frame; And a fourth frame (51) connected to the stationary frame protruded upward from the base (3) and to which one end of the stationary wire is fixedly connected,

In the first to fourth frames 51, a fixing part is mounted to support electric wires.

The fixing portion includes a first fixing member (53) disposed on the first frame (45) and fixing the electric wire; A second fixing member 55 disposed on the second frame 47 to fix the electric wire; A third fixing member 57 disposed on the third frame 49 for fixing the electric wire; And a fourth fixing member 59 disposed on the fixed frame and fixing the electric wire.

As described above, the vibration testing apparatus for a vehicle electric wire according to the present invention has the following advantages.

First, the fixing part fixing the electric wire to the testing machine is arranged three-dimensionally, and each fixing part has the joint structure, so that the electric wire can be fixed by appropriately bending according to the shape of the electric wire, There is an advantage to be able to do.

Second, by mounting a plurality of latching grooves and forward and backward reciprocating mechanisms on the base on which the vibration generator is fixed, a plurality of vibration generators are fixed on the base, and the vibration generators are arranged in appropriate intervals or shapes to simultaneously perform a vibration test on a plurality of electric wires There are advantages to be able to.

Third, by attaching the protractor to the vibration switching unit, it is possible to recognize the range of the rotational motion of the vibration axis moving at the time of vibration, so that the vibration level of the present test apparatus can be easily grasped. The rotational range of the oscillation axis can be adjusted.

1 is a perspective view showing a vibration testing apparatus for a vehicle electric wire according to an embodiment of the present invention.
2 is a perspective view showing a first fixing member for fixing the vehicle electric wire shown in Fig.
3 is a perspective view showing a second fixing member for fixing the vehicle electric wire shown in Fig.
4 is a front view showing the structure of the vibration switching unit shown in FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a vehicle vibration testing apparatus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIGS. 1 to 3, the vibration testing apparatus for a vehicle electric wire proposed by the present invention comprises a base 3; A reciprocating driving unit 5 mounted on an upper portion of the base 3 and generating vibration by reciprocating in the X-axis direction; A diaphragm 7 mounted on the upper part of the reciprocating drive part 5 and reciprocating in the X-axis direction; At least one vibration transmitting portion 9 detachably mounted on the upper portion of the diaphragm 7 to transmit vibration in the Y-axis direction; And at least one vibration switching part 11 arranged at one side of the base 3 and having a lower part mounted in a hinge structure for converting the reciprocating motion in the X axis direction of the vibration transmitting part 9 into a reciprocating rotational motion in a clockwise and counterclockwise direction )Wow; At least one wire holder (13) connected to the oscillation switching part (11) and to which the electric wire is mounted; And a plurality of fixing portions 15 mounted on the wire holder 13 for fixing the electric wires.

In the vibration testing apparatus for a vehicle electric wire having such a structure, the reciprocating drive section 5 can reciprocate the diaphragm 7 along the X-axis direction by a screw method.

The motor assembly M1.M2 is disposed on both sides of the upper portion of the base 3 and the screw shaft S1 is coupled to the motor assembly M1.M2. The diaphragm 7 is screwed to the pair of screw shafts S1.

Accordingly, when the pair of motor assemblies M1.M2 are driven, the pair of screw shafts S1 connected thereto are also rotated, so that the diaphragm 7 reciprocates along the X-axis direction.

The diaphragm 7 is constituted by one panel and a guide 17 is protruded at both sides below the guide rail 17. The guide 17 is supported on a rail R disposed on the upper part of the base 3, Lt; / RTI > Further, a pair of screw shafts S1 are threadedly engaged with the lower portions of the diaphragm 7, respectively.

Therefore, when the screw shaft S1 rotates, the diaphragm 7 is movable in the X-axis direction because the diaphragm 7 is in a threaded state, and can reciprocate along the guide 17 at this time.

A plurality of first coupling grooves 25 are formed in the upper portion of the diaphragm 7 and the vibration transmission portion 9 is detachably mounted in the first coupling groove 25.

The vibration transmitting portion 9 includes a first seat 19 that is seated on the upper surface of the diaphragm 7; A first fixing bolt 20 screwed through the first seat 19 in a vertical direction and fixed by being fastened to a first coupling groove 25 formed on an upper surface of the diaphragm 7; A support tab 21 protruding from the upper portion of the first seat 19; And a transmission shaft 23 connected to one side of the support jaw 21 to transmit power.

In the vibration transmission portion 9 having such a structure, by fixing the first seat 19 to an arbitrary position on the diaphragm 7 and fastening the first fixing bolt 20 to the first engagement groove 25 The vibration transmitting portion 9 can be fixed.

Since the first coupling grooves 25 are formed on the diaphragm 7 in this case, the vibration transmitting portion 9 can be fixed to each of the first coupling grooves 25, ) Can be arbitrarily fixed by selecting a position on the transfer plate.

The transmission shaft 23 transmits vibrations repeatedly generated in the X-axis direction to the vibration switching unit 11. The transmission shaft 23 may be a simple rod-shaped shaft, but is preferably a bar-shaped rod.

Accordingly, one end of the transmission shaft 23 is connected to the vibration transmission portion 9, and the other end is connected to the vibration switching portion 11 to transmit the power.

At this time, one end of the transmission shaft 23 is screwed to the supporting step 21 of the vibration transmitting portion 9, and the other end is screwed to the vibration axis 39 of the vibration switching portion 11.

Therefore, by appropriately rotating the transmission shaft 23, the distance between the vibration transmission portion 9 and the vibration switching portion 11 can be adjusted, and consequently the rotation angle of the vibration axis 39 of the vibration switching portion 11 Can be adjusted.

At this time, the flexible couplings 29 and 31 are connected to both ends of the transmission shaft 23 so that the space between the transmission shaft 23 and the supporting jaw 21 and the vibration shaft 39 are not located on the same horizontal line It is possible to prevent the connection section from being broken by being bent.

The flexible couplings 29 and 31 may be made of a flexible material such as rubber or synthetic resin and inserted into both ends of the transmission shaft 23 and may be bent when an external force is applied.

The vibration switching unit 11 switches the reciprocating motion in the X-axis direction to a clockwise and counterclockwise rotational motion.

1 and 4, the vibration switching unit 11 includes a second seat 33 fixed to one side of the upper surface of the base 3; A second fixing bolt 35 threaded through the second seat 33 in the vertical direction and fixed by being fastened to a second coupling groove 43 formed on the upper surface of the base 3; A pair of hinge jaws 37 protruding from the upper portion of the second seating base 33 and spaced apart from each other by a predetermined distance; An oscillation axis 39 hingedly connected to the pair of hinge jaws 37 and reciprocatingly rotating in the clockwise and counterclockwise directions by the transmission shaft 23 and an oscillation axis 39 for recognizing the rotation angle of the oscillation axis 39 And a protruding protruding portion 41a.

In the vibration switching unit 11 having such a structure, by fixing the second seat 33 to an arbitrary position on the base 3 and fastening the second fixing bolt 35 to the second engagement groove 43 The vibration switching portion 11 can be fixed.

Since the second coupling grooves 43 are formed on the base 3 at this time, the vibration switching unit 11 can be fixed to the appropriate coupling groove among the plurality of second coupling grooves 43, The vibration switching portion 11 can be fixed.

The pair of hinge jaws 37 protrude from the upper surface of the second seat 33 and are spaced apart from each other by a predetermined distance. Bottom ends of the vibration shafts 39 are inserted and disposed between the pair of hinge jaws 37 and are connected by the hinge pins P. [

Further, on one side of the vibration axis 39, as described above, it is connected to the vibration generating portion by the transmission shaft 23.

Therefore, when the transmission shaft 23 reciprocates, the lower end of the vibration shaft 39 is connected by the hinge pin P, so that the upper portion of the vibration shaft 39 is moved in the clockwise and counterclockwise direction Thereby making a reciprocating rotational motion.

The protractor 41 refers to a conventional protractor 41 mounted on one side of the support limb 21. The protractor 41 allows the vibration axis 39 to be confirmed by displaying the rotation range when the oscillation axis 39 reciprocates back and forth clockwise or counterclockwise.

Accordingly, the tester can recognize the angle range of the current vibration axis 39 by recognizing the protractor 41. When the tester compares the reference value with the reference value, if the tester exceeds or falls below the reference value, the screw of the transmission shaft 23 is appropriately moved, 39 can be adjusted.

On the other hand, the wire rack 13 is disposed above the vibration axis 39 of the vibration switching unit 11, so that the vehicle electric wire W can be mounted.

The electric wire rack 13 includes a first frame 45 disposed horizontally above the vibration axis 39; Second and third frames (47, 49) respectively arranged from both ends of the first frame (45) to the upper side; And a fourth frame 51 connected to the stationary frame protruding upward from the base 3 and having one end of the stationary wire fixedly connected thereto.

Thus, the electric wire rack 13 having the above-described structure is configured such that the first to third frames 45, 47 and 49 are in a " U "shape and the fourth frame 51 is formed in the first to third frames 45 , 47, 49), and finally has a three-dimensional structure.

One end of the electric wire is fixed to the fourth frame 51 and the other parts are fixed to the first to third frames 45 and 47. In this case, since the wire holder 13 has a three-dimensional structure, , 49) to perform a vibration test.

At this time, the vehicle electric wire W can be fixed to the electric wire rack 13 by the fixing part. The fixing part 15 is composed of a plurality of fixing members 53, 55, 57, 59.

That is, the fixing portion 15 includes a first fixing member 53 disposed on the first frame 45 to fix the electric wire, A second fixing member 55 disposed on the second frame 47 to fix the electric wire; A third fixing member 57 disposed on the third frame 49 for fixing the electric wire; And a fourth fixing member 59 disposed on the fixed frame and fixing the electric wire.

Such a fixing member has the same structure having a multi-joint structure, but can appropriately fix each part of the vehicle electric wire W according to the angle and arrangement position of the joint. Therefore, the first fixing member 53 will be described below.

The first fixing member 53 includes a first joint 60 movably mounted on the first frame 45; A second joint 66 which can be hinged at an end of the first joint 60 so as to be able to turn at an angle; A third joint 72 hinged at an end of the second joint 66 so as to be able to turn at an angle; And a tie plate 78 mounted on the end of the third joint 72 to receive and fix the vehicle electric wire W in place.

In more detail, the first joint 60 has a through hole formed at one end thereof, and a first frame 45 is inserted and a pair of first insertion slots 62 are formed at the other end. The first insertion pads 62 are spaced apart from each other by a predetermined distance so that the first hinge bar 68 protruding from the second joint 66 is inserted therebetween. And the first hinge pin 64 is hingedly connected by passing through the pair of first insertion portions 62 and the first hinge bar 68.

Accordingly, the first hinge pin 64 is fixed while the second joint 66 is bent at a predetermined angle with respect to the first joint 60, so that the bent angle can be maintained.

The second joint 66 has the first hinge bar 68 protruded at one end and the second hinge bar 70 protruded at the other end.

As a result, the first joint 60 is hingably connected to one end of the second joint 66, and the third joint 72 is hingably connected to the other end.

The third joint 72 has a structure similar to that of the first joint 60, and the third joint 72 has a pair of second insertion bosses 74 formed at one end thereof. The pair of second insertion pads 74 are spaced apart from each other by a predetermined distance so that a second hinge bar 70 protruding from the second joint 66 is inserted therebetween. And the second hinge pin 76 is hingedly connected by passing through the pair of second insertion bosses 74 and the second hinge bar 70.

Therefore, the third joint 72 can support and support the electric wire with the second hinge pin 76 bent at a certain angle around the second hinge pin 76 and then the second hinge pin 76 while maintaining a certain angle.

The tie plate 78 is attached to one end of the third joint 72, so that the vehicle electric wire W can be seated. At this time, the vehicle electric wire W mounted on the tie plate 78 can be fixed by a coupling member such as a cable tie.

As described above, the first fixing member 53 includes a plurality of joints, that is, first to fourth joints 60, 66, and 72, so that the joints can be properly bent to fix the electric wire, The wire can be fixed by cutting each joint according to

In this way, the second fixing member 55 fixes the front end of the vehicle electric wire W, the third fixing member 57 fixes the middle, and the fourth fixing member 59 fixes the rear end.

Therefore, the shape of the wire wired to the vehicle can be reproduced as it is and the durability of the wire can be tested by transmitting the vibration in this state.

1: Vibration testing device of vehicle wire
3: Base
5:
7: Diaphragm
9:
11:
13: Vibration Holder

Claims (3)

A base 3;
A pair of motor assemblies M1.M2 arranged on both sides of the base 3 for generating rotational force and a pair of screw shafts M1 and M2 connected to the pair of motor assemblies M1.M2, S1) to reciprocate in the X-axis direction;
Both sides are slidably mounted on a guide 17 disposed on the upper portion of the base 3 and a pair of screw shafts S1 are screwed on both sides of the lower portion to drive the motor assembly M1.M2 A diaphragm 7 which reciprocates in the X-axis direction by rotating the screw shaft S1;
At least one vibration transmitting portion 9 detachably mounted on the upper portion of the diaphragm 7 to transmit vibration in the Y-axis direction;
And at least one vibration switching part 11 arranged at one side of the base 3 and having a lower part mounted in a hinge structure for converting the reciprocating motion in the X axis direction of the vibration transmitting part 9 into a reciprocating rotational motion in a clockwise and counterclockwise direction )Wow;
At least one wire holder (13) connected to the oscillation switching part (11) and to which the electric wire is mounted; And
And a plurality of fixing portions mounted on the wire holder (13) for fixing the electric wires,
The vibration switching unit 11 includes a second seat 33 fixed to one side of the upper surface of the base 3; A second fixing bolt 35 threaded through the second seat 33 in the vertical direction and fixed by being fastened to a second coupling groove 43 formed on the upper surface of the base 3; A pair of hinge jaws 37 protruding from the upper portion of the second seating base 33 and spaced apart from each other by a predetermined distance; And a vibration axis (39) hingably connected to the pair of hinge jaws (37) and reciprocally rotating in a clockwise and counterclockwise direction by a transmission shaft (23)
The wire cradle (13) comprises: a first cradle frame arranged horizontally above the vibration axis (39); Second and third frames (49) arranged in the upper direction from both ends of the first mounting frame; And a fourth frame (51) connected to the stationary frame protruded upward from the base (3) and to which one end of the stationary wire is fixedly connected,
In the first to fourth frames 51, a fixing part is mounted to support electric wires.
The fixing portion includes a first fixing member (53) disposed on the first frame (45) and fixing the electric wire; A second fixing member 55 disposed on the second frame 47 to fix the electric wire; A third fixing member 57 disposed on the third frame 49 for fixing the electric wire; And a fourth fixing member (59) arranged on the fixed frame and fixing the electric wire,
The first to fourth fixing members 59 include a first joint 60 movably mounted on the frame; A second joint 66 which can be hinged at an end of the first joint 60 so as to be able to turn at an angle; A third joint 72 hinged at an end of the second joint 66 so as to be able to turn at an angle; And a tie plate (78) mounted on an end of the third joint (72) and fixed to the vehicle electric wire (W)
A vibration testing device for a vehicle electric wire capable of fixing each part of a vehicle electric wire (W) by adjusting an angle and a placement position of a joint. delete The method according to claim 1,
The vibration transmission portion 9 includes a first seat 19 that is seated on the upper surface of the diaphragm 7; A first fixing bolt 20 screwed through the first mounting table 19 in the vertical direction and fixed by being fastened to one of the plurality of first coupling grooves 25 formed on the upper surface of the diaphragm 7, Wow; A support tab 21 protruding from the upper portion of the first seat 19; And a transmission shaft (23) connected to one side of the support jaw (21) and transmitting power, wherein a flexible coupling is mounted on both ends of the transmission shaft (23).



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Cited By (4)

* Cited by examiner, † Cited by third party
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CN107219137A (en) * 2017-05-31 2017-09-29 上海交通大学 The wear resistance test device of fine blanking die material
CN108593475A (en) * 2018-06-04 2018-09-28 辽宁工程技术大学 Artificial knee joint meniscus erosive wear experimental bench
CN109655640A (en) * 2018-12-28 2019-04-19 贵州大学 A kind of electrical detection device convenient for being fixedly clamped
CN112269081A (en) * 2020-10-14 2021-01-26 西安交通大学 Multi-factor aging stress control platform and method for stator bar of large hydraulic generator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100012238A (en) * 2008-07-28 2010-02-08 (주)티에이치엔 Apparatus for vibrating wire
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