KR101254049B1 - Endurance testing apparatus for suspension - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a durability testing apparatus for a suspension member, and more particularly, to a durability testing apparatus for a suspension member that can similarly simulate vibration generated when a vehicle travels to perform a durability test of a suspension member.
The present invention, the base frame, a fixed support movably installed on the base frame and the suspension member is rotatably connected, a flow support portion slidably installed on the base frame and rotatably connected to the base frame, flow support It provides a durability test apparatus for a suspension member comprising a motor for providing power to be transmitted to, and a vibration transmission unit for transmitting the power of the motor by converting the reciprocating motion of the flow support.

Description

Durability Tester for Suspension Members {ENDURANCE TESTING APPARATUS FOR SUSPENSION}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a durability testing apparatus for a suspension member, and more particularly, to a durability testing apparatus for a suspension member that can similarly simulate vibration generated when a vehicle travels to perform a durability test of a suspension member.

The COUPLED TORSION BEAM AXLE (CTBA) used in the rear suspension system supports the wheels through hub bearings on both trailing arms and torsion beams or torsion bars connected between the trailing arms. As a type of suspension device that adjusts the roll of the vehicle by the characteristics of (TORSIONAL), it is a suspension device that is widely used in sub-medium sized vehicles because of its simple structure and light weight.

This type of coupled torsion beam axle is largely divided into a V-BEAM type and a TUBULAR type according to the shape of the torsion beam.

In the case of the V-beam type, torsion beam bushes supporting the torsion beams and other reinforcement members supporting the torsion beams are installed to determine roll characteristics and rigidity.

The reinforcing member for supporting the torsion beam and the trailing arm from the outside of the torsion beam is for preventing the torsion beam and the trailing arm connection from being damaged by the combined loads of the top, bottom, front, and left, and the right of the road surface. As such, it is an important member for determining the durability of the coupled torsion beam axle.

The reinforcing member mounted to distribute the stresses of the trailing arm and the torsion beam connection has a structural stress concentration at the end of the reinforcing member, and also causes the torsion beam itself to break after the welding crack.

In order to improve the durability of the V-beam coupled torsion beam axle, it is important to design the structure and shape of the reinforcing member properly.

Therefore, an apparatus for testing the durability of the suspension member by applying repeated vibration to the suspension member combined with the torsion beam and the trailing arm has been developed.

The technical structure described above is a background technique for assisting the understanding of the present invention, and does not mean the prior art widely known in the technical field to which the present invention belongs.

In general, the durability test device for suspension member is installed to be suspended, and the cylinder is connected to the suspension member to simulate the vibration of the vehicle, so it is difficult to simulate the vibration of various directions generated during the driving of the vehicle, thereby increasing the reliability of the durability test. There is no problem.

Therefore, there is a need for improvement.

SUMMARY OF THE INVENTION An object of the present invention is to provide a durability test apparatus for a suspension member that can similarly simulate vibration generated when a vehicle travels to perform a durability test of a suspension member.

In order to achieve the above object, the present invention, the base frame, a fixed support that is movably installed on the base frame and the suspension member is rotatably connected, and is installed slidably on the base frame and the suspension member is rotated A flow support part capable of being connected, a motor providing power transmitted to the flow support part, and a vibration transmission part converting and transmitting power of the motor into the reciprocating motion of the flow support part, wherein the fixed support part comprises: the base A fixed plate provided to be movable along the fixed X axis rail provided in the frame and having a fixed Y axis rail, a fixed support provided to be movable along the fixed Y axis rail and having a fixed Z axis rail; A support panel movably installed along a fixed Z-axis rail and rotatably installed on the support panel And it characterized in that it comprises suspension beuraekitreul which member is rotatably connected.

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In addition, a first lever for moving the fixing plate is installed in the base frame, a second lever for moving the fixing support is installed in the base frame, and a third lever for moving the support panel is installed in the fixing support. It is characterized by being installed.

In addition, the flow support portion, the flow plate which is installed to be slid along the flow Y-axis rail provided in the base frame and has a flow X-axis rail, and is installed to be slidable along the flow X-axis rail and flow Z-axis A flow support having a rail, a support block slidably installed along the flow Z-axis rail, and a connection plate extending from the support block, the suspension member is coupled, and the vibration transmission unit is connected thereto. .

In addition, the support block is characterized in that the guide member sliding along the outer wall of the flow support is installed.

In addition, the vibration transmission unit, the main pulley is connected to the rotating shaft of the motor, the driven pulley and the driven pulley which is connected by the belt is transmitted to the power of the motor, and the eccentric rail connected to the driven pulley and having an eccentric rail And a vibration block installed between the block, the sliding block movably installed along the eccentric rail, and the sliding block and the connection plate.

In addition, the bottom surface of the base frame is characterized in that the buffer unit is installed.

In the durability test apparatus for suspension member according to the present invention, the end of the suspension member is supported to be movable at the same time in the X-axis, Y-axis and Z-axis so that the vibration is provided so that it can simulate the vibration similar to the vibration generated while driving the vehicle. This has the advantage of improving the reliability of the test.

1 is a front view showing the durability test apparatus for a suspension member according to an embodiment of the present invention.
2 is a plan view showing the durability test apparatus for a suspension member according to an embodiment of the present invention.
Figure 3 is a side view showing the durability test apparatus for suspension member according to an embodiment of the present invention.
Figure 4 is a perspective view showing a fixed support of the durability test apparatus for suspension member according to an embodiment of the present invention.
5 is an exploded perspective view illustrating a fixing support of the durability test apparatus for a suspension member according to an embodiment of the present invention.
Figure 6 is a perspective view showing the flow support of the durability test apparatus for suspension member according to an embodiment of the present invention.
7 is an exploded perspective view showing the flow support of the durability test apparatus for suspension member according to an embodiment of the present invention.
8 is a view showing a connection relationship between the eccentric block and the sliding block of the durability test apparatus for suspension member according to an embodiment of the present invention.
9 is a state diagram showing the core block and the sliding block of the durability test apparatus for a suspension member according to an embodiment of the present invention.
10 is a partially enlarged view showing the restraint portion of the durability test apparatus for suspension member according to an embodiment of the present invention.
11 is a state diagram showing the restraint portion of the durability test device for suspension member according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of a durability test apparatus for a suspension member according to the present invention.

In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.

In addition, the terms described below are terms defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator.

Therefore, definitions of these terms should be made based on the contents throughout this specification.

1 is a front view showing a durability test apparatus for a suspension member according to an embodiment of the present invention, Figure 2 is a plan view showing the durability test apparatus for a suspension member according to an embodiment of the present invention, Figure 3 Endurance test apparatus for a suspension member according to an embodiment of the invention is a side view.

1 to 3, the durability test apparatus for a suspension member according to an embodiment of the present invention, the base frame 10, the movable member is installed on one side of the base frame 10 and the suspension member is movable The first support portion 100 is installed to be installed, the second support portion 200 is installed on the other side of the base frame 10 so as to be movable and the suspension member is movable, the first support portion 100 or the second support portion A motor 60 for providing the power transmitted to the 200, the first vibration transmission unit 70 for converting and transmitting the power transmitted from the motor 60 to the reciprocating motion of the first support 100, and the motor The power transmission unit 80 for transmitting or blocking the power of the 60 to the second support unit 200, and converts the power transmitted from the power transmission unit 80 to the reciprocating motion of the second support unit 200 for transmission The second vibration transmission unit 170 is included.

When one end of the suspension member is connected to the first support part 100, and the other end of the suspension member is connected to the second support part 200, and then power is applied to the motor 60, the power of the motor 60 may be reduced. The first vibration transmitting unit 70 is transmitted to the first support unit 100, and the power transmission unit 80 and the second vibration transmission unit 170 are transferred to the second support unit 200.

Accordingly, since the suspension members connected to the first support part 100 and the second support part 200 transmit vibrations at both ends, the suspension members can simulate vibrations generated in the suspension members while the vehicle is running.

At this time, the power of the motor 60 is converted into a reciprocating motion of the first support unit 100 by the first vibration transmission unit 70 is transmitted, and the power transmitted by the power transmission unit 80 is the first vibration transmission The portion 70 is converted into a reciprocating motion of the second support portion 200 and transmitted.

Figure 4 is a perspective view showing a fixed support of the durability test device for suspension member according to an embodiment of the present invention, Figure 5 is an exploded view of the fixed support of the durability test device for suspension member according to an embodiment of the present invention Perspective view.

In addition, Figure 6 is a perspective view of the flow support of the durability test device for suspension member according to an embodiment of the present invention, Figure 7 is a flow support of the durability test device for suspension member according to an embodiment of the present invention is shown Exploded perspective view.

1 to 7, the first support part 100 of the present embodiment is installed on the base frame 10 so as to be movable and the suspension member 30 is rotatably connected to the base frame 10 and the base frame 10. It is installed to be slidable and the suspension member includes a flow support 50 is rotatably connected.

In the case where two connecting portions are formed at one end of the suspension member, in particular, the suspension member formed by combining the torsion beam and the pair of trailing arms has a fixed support part 30 connected to one end of the trailing arm, and the other side of the trailing arm. Flow support 50 is connected to the end.

Accordingly, the vibration generated at one end of the trailing arm and the vibration generated at the other end of the trailing arm during vehicle driving can be similarly simulated.

The fixed support part 30 includes a fixed plate 32 and a fixed Y axis rail, which are installed to be movable along the fixed X axis rail 31 provided in the base frame 10 and have a fixed Y axis rail 32a. A fixed support 34 movably installed along the 32a and having a fixed Z-axis rail 34a, a support panel 36 movably installed along the fixed Z-axis rail 34a, and a support panel. And a bracket 38 rotatably installed on the 36 and to which the suspension member is rotatably connected.

The first frame 31b for moving the fixing plate 32 is installed in the base frame 10, and the second lever 32b for moving the fixing support 34 is installed in the base frame 10, and the fixing support is provided. 34 is provided with a third lever 34b for moving the support panel 36.

When connecting one end of the trailing arm that forms one end of the suspension member to the fixed support part 30, the first lever 31b is rotated to move the fixed plate 32 along the fixed X-axis rail 31, and the second The lever 32b is rotated to move the fixed support 34 along the fixed Y-axis rail 32a, and the third lever 34b is rotated to move the support panel 36 along the fixed Z-axis rail 34a. To find the best position.

The first lever 31b and the second lever 32b are rotatably installed on the base frame 10 and connected to a rotating rod having threads formed on the circumferential surface thereof, and the fixing plate 32 and the fixing support 34 are rotating rods. Since the first lever 31b and the second lever 32b are rotated, the fixing plate 32 and the fixing support 34 are fixed to the fixed X-axis rail 31 and the fixed Y-axis by the power of the rotating rod. It is moved along the rail 32a.

In addition, since the third lever 34b is rotatably installed in the vertical direction on the fixed support 34 and is connected to a rotating rod having a thread, the support panel 36 is rotated when the third lever 34b is rotated. It moves along the fixed X-axis rail 31 by it.

In addition, the operator rotates the bracket 38 from the support panel 36 to allow one end of the trailing arm to be inserted into the bracket 38 formed in a '?' Shape, and then to the end of the bracket 38 and the trailing arm. Inserting the fixing pin 39, one end of the trailing arm is rotatably connected to the fixed support 30.

The flow support part 50 is installed to be slidable along the flow Y axis rail 52a provided in the base frame 10 and includes a flow plate 52 having a flow X axis rail 51 and a flow X axis rail. A flow support 54 slidably installed along the 51 and having a flow Z-axis rail 54a; a support block 56 slidably installed along the flow Z-axis rail 54a; and a support block. It is connected to the 56 and the suspension member is coupled to include a connecting plate 58 to which the first vibration transmission unit 70 is connected.

The flow plate 52, the flow support 54 and the support block 56 are slidably installed on the flow Y-axis rail 52a, the flow X-axis rail 51 and the flow Z-axis rail 54a, and restrained separately. Since the unit 90 material is not installed, when the vibration is transmitted from the first vibration transmission unit 70, the connection plate 58 flows in three axial directions.

Therefore, it is possible to simulate the vibration similar to the complex vibration generated during the driving of the vehicle to the other end of the trailing arm coupled to the connecting plate 58.

The support block 56 is provided with a guide member 56a that slides along the outer wall of the flow support 54, so that the support block 58 flows when the connection plate 58 is moved by the vibration transmitted from the first vibration transmission unit 70. The guide member 56a extending from the 56 slides along the side of the flow support 54 to prevent the support block 56 from being separated from the flow support 54.

The second support part 200 includes a fixed support part 30 and a flow support part 50, and the fixed support part 30 and the flow support part 50 of the second support part 200 are fixed support parts of the first support part 100. 30 and the detailed description of the second support part 200 will be omitted since the same technical configuration as that of the flow support part 50 will be omitted.

8 is a view showing the connection relationship between the eccentric block and the sliding block of the durability test apparatus for suspension member according to an embodiment of the present invention, Figure 9 is a durability test apparatus for suspension member according to an embodiment of the present invention An eccentric block and a sliding block are shown in use.

6 to 9, the first vibration transmitting unit 70 according to the present embodiment includes a main pulley 72, a main pulley 72 and a belt connected to the rotation shaft 59 of the motor 60. A first sliding block 74 connected to the driven pulley 74, the driven pulley 74 and having an eccentric rail 76a, and a first sliding block movably installed along the eccentric rail 76a. And a first vibration shaft 79 provided between the first sliding block 78 and the first support part 100.

When the operator moves the first sliding block 78 along the eccentric rail 76a, the position of the first vibration shaft 79 is spaced from the center of rotation of the driven pulley 74 so that the power of the motor 60 is driven by the driven pulley ( When transmitted to 74), the lower end of the first vibration shaft 79 rotates in a circle, and the upper end of the first vibration shaft 79 performs a reciprocating motion in the vertical direction.

A connection piece 79a is installed at an upper end of the first vibration shaft 79, and the connection piece 79a is rotatably connected to the rotation shaft 59 installed on the connection plate 58, and thus is transmitted from the first vibration shaft 79. The connection plate 58 is reciprocated by the reciprocating motion being flowed in a plurality of directions.

Therefore, the support block 56 connected to the connecting plate 58 performs the reciprocating motion while sliding along the flow Z-axis rail 54a, and the flow support 54 reciprocates while sliding along the flow X-axis rail 51. The flow plate 52 is slid along the flow Y-axis rail 52a to perform a reciprocating motion.

The power transmission unit 80 includes a driven shaft 82 connected to a driven pulley 74, a transmission shaft 84 through which power of the driven shaft 82 is transmitted, a driven shaft 82, and a transmission shaft 84. Clutch 86 is installed between the), the drive shaft 88 is connected to the transmission shaft 84, and the drive pulley 89 is connected to the drive shaft (88).

Power of the motor 60 transmitted through the driven pulley 74 is the second vibration transmission unit through the driven shaft 82, the clutch 86, the transmission shaft 84, the drive shaft 88 and the drive pulley 89 Is passed to 170.

The clutch 86 is operated by an operation signal transmitted from the controller 98 to be described later. When the clutch 86 is operated to connect the driven shaft 82 and the transmission shaft 84, the power of the motor 60 is restored. When the vibration is transmitted to the transmission unit 170 and the clutch 86 is not operated, the power of the motor 60 supplied to the driven shaft 82 is not transmitted to the transmission shaft 84.

Accordingly, when the clutch 86 is not operated according to the signal of the controller 98, the power of the motor 60 is not transmitted to the second vibration transmission unit 170, and thus vibration is not transmitted to the other end of the suspension member.

Spline gear teeth are formed on the transmission shaft 84 and slidably installed on the drive shaft 88, and the drive shaft 88 is installed on the base frame 10 to be movable.

The base frame 10 is provided with a rotating rod rotatably connected to the drive shaft 88, a thread is formed on the circumferential surface of the rotating rod.

Accordingly, when the lever connected to the rotating rod is rotated, the driving shaft 88 is moved in the direction of the transmission shaft 84 or the opposite direction by the power of the rotating rod, and the transmission shaft 84 is inserted or protruded into the driving shaft 88 so that the driving shaft The distance between the 88 and the clutch 86 is narrowed or widened.

When the drive shaft 88 is moved, the second vibration transfer unit 170 connected to the drive shaft 88 is also moved, and the fixed support 30 and the flow support 50 of the second support 200 are also moved in the above-described manner. As a result, the durability test of the suspension member of various lengths can be performed.

Here, the connection structure of the drive shaft 88 and the base frame 10 is the same as the connection structure between the base frame 10 and the fixed plate 32 for the connection structure between the drive shaft 88 and the base frame 10 Specific drawings or descriptions will be omitted.

The second vibration transmitting unit 170 is connected to the driving pulley 89 and has a second eccentric block 176 having an eccentric rail 76a and a second sliding movably installed along the eccentric rail 76a. The block 178 and the second sliding block 178 and the second vibration shaft 179 is provided between the second support portion 200.

The second eccentric block 176 and the second sliding block 178 are rotated by the power of the motor 60 transmitted from the driving pulley 89, and the second support part 200 through the second vibration shaft 179. The other end of the suspension member installed in the reciprocating motion.

Since the buffer unit 99 is installed on the bottom of the base frame 10, vibration generated during the operation as described above is suppressed from being transmitted to the ground along the base frame 10.

Various types of elastic members may be installed as the buffer unit 99, and an air spring in which a working fluid is filled may be installed.

10 is a partially enlarged view showing the restraint portion 90 of the durability test apparatus for suspension member according to an embodiment of the present invention, Figure 11 is a constraint of the durability test apparatus for suspension member according to an embodiment of the present invention. Part 90 is a state diagram showing the use, Figure 12 is a block diagram showing the restraint portion 90 of the durability test apparatus for a suspension member according to an embodiment of the present invention.

10 to 12, the durability test apparatus for a suspension member according to an embodiment of the present invention to determine the release of the second eccentric block 176 restraining portion 90 to restrain the operation of the clutch 86 Since the second eccentric block 176 is rotatable, the second eccentric block 176 is not rotatable unless the second eccentric block 176 is rotatable.

Therefore, the clutch 86 is operated in a state in which the second eccentric block 176 is restrained, thereby preventing a malfunction in which the power of the motor 60 is transmitted to the second eccentric block 176.

The restraining portion 90 is rotatably installed on the base frame 10 and coupled to the second eccentric block 176, and the second eccentric block 176 penetrating the fixing piece 92. The control unit 98 to determine whether the restraint of the clutch 86 in accordance with the restraining pin 94, the sensor 96 for detecting the position of the fixing piece 92, and the signal transmitted from the sensor 96 inserted into the It includes.

Fixing piece 92 is rotatably installed on the bottom surface of the base frame 10, the hole is formed in the upper end of the fixing piece 92 so that the upper end of the fixing piece 92 is opposed to the second eccentric block 176 After rotating and inserting the constriction pin 94 through the hole into the second eccentric block 176, the second eccentric block 176 is constrained.

Since the sensor 96 includes a proximity sensor installed on the bottom surface of the base frame 10, when the fixing piece 92 is rotated to be in close contact with the bottom surface of the base frame 10, the fixing piece 92 is formed by the sensor 96. ) Is detected.

The control unit 98 is set so that the drive signal is not transmitted to the clutch 86 when the detection signal of the fixing piece 92 transmitted from the sensor 96 is not input so that the fixing piece 92 closely adheres to the bottom surface of the base frame. Only when the clutch 86 is operated will be made.

Looking at the operation of the durability test device for suspension member according to an embodiment of the present invention configured as described above are as follows.

One end of the suspension member is connected to the fixed support part 30 and the flow support part 50 of the first support part 100, and the suspension member is connected to the fixed support part 30 and the flow support part 50 of the second support part 200. When the other end is connected and the power is supplied to the motor 60, the power of the motor 60 is driven by the main pulley 72, the driven pulley 74, the first eccentric block 76, the first sliding block 78, The vibration is transmitted to one end of the suspension member through the first vibration shaft 79.

At this time, the power of the motor 60 transmitted to the driven shaft 82 by the driven pulley 74 is the clutch 86, the transmission shaft 84, the drive shaft 88, the drive pulley 89, the second eccentric block 176, the second sliding block 178 and the second vibration shaft 179 is transmitted to the other end of the suspension member.

The flow plate 52 connected to the end of the suspension member includes a flow plate 52 and a flow support sliding along the flow X-axis rail 51, the flow Y-axis rail 52a and the flow Z-axis rail 54a. 54 and the support block 56 are movably supported in a plurality of directions.

Therefore, an end portion of the suspension member connected to the connecting plate 58 is supported to be movable in a plurality of directions, and is generated while driving the vehicle by vibration transmitted by the first vibration shaft 79 and the second vibration shaft 179. Vibrations similar to the vibrations to be transmitted to the end of the suspension member.

When conducting tests by transmitting vibration to only one end of the suspension member, the control unit 98 is operated to release the operation of the clutch 86, and the fixing piece 92 is rotated to fix the fixing piece 92 and the second eccentric block ( The restraint pin 94 is inserted into the second eccentric block 176.

Subsequently, when the test operation is started, the power of the motor 60 is not transmitted to the second support part 200, so that the power of the motor 60 is transmitted only to one end of the suspension member.

When conducting a test to apply vibration to both ends of the suspension member, the control unit 98 is operated to drive the clutch 86. When the fixing piece 92 is not in close contact with the bottom surface of the base frame 10, the sensor ( Since the fixing piece 92 is not detected by the 96, the detection signal is not transmitted to the controller 98.

If the detection signal of the fastening piece 92 is not transmitted to the control part 98, since the clutch 86 is not operated even if an operator operates the control part 98, the fastening piece 92 and the second eccentric block 176 are not. In this interference state, the power of the motor 60 can be prevented from being transmitted to the second eccentric block 176.

As a result, vibrations of various displacements can be transmitted to one end or both ends of the suspension member, thereby providing a durability test apparatus for the suspension member that can prevent malfunction and damage.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. .

In addition, the durability test apparatus for the suspension member has been described as an example, but this is merely exemplary, and the durability test apparatus of the present invention may be used in other products other than the suspension member.

Accordingly, the true scope of the present invention should be determined by the following claims.

10: base frame 30: fixed support
31: Fixed X-axis rail 31b: First lever
32: fixed plate 32a: fixed Y-axis rail
32b: second lever 34: fixed support
34a: Fixed Z-axis rail 34b: Third lever
36: support panel 38: bracket
39: fixed pin 50: flow support
51: flow X-axis rail 52: flow plate
52a: flow Y-axis rail 54: flow support
54a: Flow Z-axis rail 56: Support block
56a: guide member 58: connecting plate
59: rotation axis 60: motor
70: first vibration transmission unit 72: main pulley
74: driven pulley 76: first eccentric block
76a: eccentric rail 78: the first sliding block
79: first vibration shaft 79a: connecting piece
80: power transmission unit 82: driven shaft
84: transmission shaft 86: clutch
88: drive shaft 89: drive pulley
90: restraining part 92: fixing piece
94: restraint pin 96: sensor
98 control unit 99 buffer unit
100: first support portion 170: second vibration transmission portion
176: second eccentric block 178: second sliding block
179: second vibration shaft 200: second support portion

Claims (7)

Base frame;
A fixed support part rotatably installed on the base frame and having a suspension member rotatably connected thereto;
A flow support part slidably installed on the base frame and having a suspension member rotatably connected thereto;
A motor providing power delivered to the flow support; And
It includes a vibration transmission unit for converting and transmitting the power of the motor to the reciprocating motion of the flow support,
The fixed support portion,
A fixed plate provided to be movable along the fixed X axis rail provided in the base frame and having a fixed Y axis rail;
A fixed support provided to be movable along the fixed Y axis rail and having a fixed Z axis rail;
A support panel installed to be movable along the fixed Z-axis rail; And
Durable test apparatus for a suspension member, characterized in that it comprises a bracket rotatably installed on the support panel and the suspension member is rotatably connected. delete The method of claim 1,
The base frame is provided with a first lever for moving the fixing plate, the base frame is provided with a second lever for moving the fixed support, the fixed support is provided with a third lever for moving the support panel Durability test apparatus for a suspension member, characterized in that.
The method of claim 1, wherein the flow support portion,
A flow plate slidably installed along the flow Y axis rail provided in the base frame and having a flow X axis rail;
A flow support slidably installed along the flow X axis rail and having a flow Z axis rail;
A support block slidably installed along the flow Z axis rail; And
And a connection plate extending from the support block and having a suspension member coupled thereto and to which the vibration transmission unit is connected.
5. The method of claim 4,
Durability test apparatus for a suspension member, characterized in that the support block is provided with a guide member sliding along the outer wall of the flow support.
According to claim 4, wherein the vibration transmission unit,
A main pulley connected to the rotating shaft of the motor;
A driven pulley connected by the main pulley and a belt to which power of the motor is transmitted;
An eccentric block connected to the driven pulley and having an eccentric rail;
A sliding block installed to be movable along the eccentric rail; And
Durability test apparatus for a suspension member comprising a vibration shaft installed between the sliding block and the connecting plate.
The method of claim 1,
Durability test apparatus for a suspension member, characterized in that the buffer unit is installed on the bottom surface of the base frame.

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