JP2582753Y2 - Axle carrier vibration jig - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an axle carrier vibrating jig used for a fatigue test of a body-side mounting portion around a foot of a vehicle suspension.

[0002]

2. Description of the Related Art A strain gauge is attached to a lower arm and a body side of a vehicle suspension, and a static load is applied to a distortion mode due to a front-rear input during actual vehicle running, so that different loads are not applied to different positions. In the past, it was found that one vibrator was first vibrated at the first position, and then vibrated at the second position, or two vibrators were used. It was necessary to perform a fatigue test by simultaneously vibrating two places.

[0003]

When the first position is vibrated by the above-mentioned conventional one vibrator, and then the second position is vibrated, it is necessary to change the position and perform a test. Because there is
Setting, removing, adjusting, and other man-hours increase, and there is a problem that test measurement cannot be performed when two inputted loads affect each other.

When two vibrators are set at two places and vibrated at the same time, test measurement can be performed in a case where two inputs affect each other. However, two test machines are required, and setting is performed respectively. And the need to coordinate with each other.

The inventors of the present invention have focused on the technical idea of the structure of the present invention in which the vibration input of one vibrator is applied to the body-side mounting portion from two parts of the member via an axle carrier, It is possible to eliminate the trouble of performing a test by changing the position of the shaker in the case of one conventional shaker, and to enable a test in which two inputs affect each other.
The present invention has been achieved which achieves the object of eliminating the need for a table shaker and a troublesome mutual adjustment.

[0006]

An axle carrier vibrating jig according to the present invention (first invention according to claim 1) is a member which is locked by a vibrator and swings around a fulcrum. A first member having a first portion subjected to a first acting force, a second portion acting on a second acting force, a fixing portion for fixing an axle carrier, A first input unit for inputting a first acting force from the first part, and a second input unit engaged with the second part of the first member and receiving the second acting force And a second member having:

The axle carrier vibrating jig according to the present invention (a second invention according to claim 2) is a member that is locked by a vibrator and swings around a fulcrum, and is a member that pushes toward the axle axis. A first member having a pressing portion for applying pressure, a tension portion for pulling away from the axle axis, a fixing portion for fixing the axle carrier, and pressing of the first member formed on a side wall of the fixing portion. A pressing receiving portion to which the pressing portion receives the pressing force and a pressing receiving portion formed below the pressing portion and locked by the pulling portion of the first member, to which the pulling force by the pulling portion is input. And a second member.

[0008]

According to the first aspect of the present invention, there is provided an axle carrier vibrating jig in which an axle carrier locked on an upper arm and a lower arm of a vehicle suspension is fixed to a fixing portion of a second member. When the first member is vibrated by the first member, a first acting force is applied to the axle carrier from the first portion of the first member via the first input portion of the second member, and the first member is actuated. From the second part of the second
Axle carrier via the second input of the second member
By applying the acting force described above, two loads act on the body-side mounting portion via the suspension.

The axle carrier vibrating jig according to the second invention having the above-described structure is configured such that the axle carrier locked to the upper arm and the lower arm of the vehicle suspension is fixed to the fixing portion of the second member, and the vibrator is driven. When the first member is vibrated, a pressing force is applied from the pressing portion of the first member to the axle axis via the pressing receiving portion of the second member, and the first member is pulled from the tension portion of the first member. By applying a tensile force via a tension receiving portion below the fixing portion of the first member, a load is applied to the body-side mounting portion via the suspension.

[0010]

The axle carrier vibrating jig according to the first invention having the above-described effects has a single vibrator that allows two mutual inputs to act on the body-side mounting portion via the suspension, and is similar to actual traveling. While enabling the load to act on the body, eliminating the need to change the position of the shaker,
This has the effect of eliminating the need for the second vibrator and the mutual adjustment of the two vibrators.

The axle carrier vibrating jig according to the second invention having the above-described operation exerts a bending and torsional load on the axle axis of the suspension by using a single vibrator to apply a load closer to actual traveling to the suspension. It is possible to act on the body-side mounting portion via the same, and at the same time, has the same effect as the first invention.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described in detail with reference to the drawings.

(First Embodiment) The axle carrier vibration jig of the first embodiment is an embodiment of the first and second inventions, and includes a double wishbone type rear suspension 2 as shown in FIG. 4 relates to an axle carrier vibrating jig for a fatigue test of a body (particularly a suspension mounting portion) of the one-box vehicle 1 shown in FIG. 4 and relates to a hydraulic vibrator 3 as shown in FIGS. A member that is stopped and swings around a fulcrum, and a projection 41 as a pressing portion for applying a pressing force toward the axle axis of the rear suspension, and a locking portion as a pulling portion for pulling a portion away from the axle axis. The first member 4 having the portion 42, the fixing portion 51 for fixing the axle carrier 21 of the rear suspension 2, and the protruding portion 41 of the first member 4 formed on the side wall of the fixing portion 51 are in contact with each other. A contact portion 52 as a pressure receiving portion to which the pressing force is input, and a locking portion 42 formed below the contact portion 52 and locked by the first member, and the pulling force by the locking portion 42 is input. And a second member 5 having a locking portion 53 as a tension receiving portion. FIG. 5 is an enlarged view of a main part of the rear suspension 2.

The first member 4 is constituted by a rectangular member 40, and a swing shaft 43 constituting a fulcrum disposed at the upper portion is supported by a bracket BR fixed to a fixing portion B of the test apparatus. A locking portion that is connected to the hydraulic exciter 3 via a ball joint 45 that is fixed to a shaker locking portion 44 that is fixed to the lower right end of the rectangular member 40 and that is fixed to the lower left end on the opposite side of the rectangular member 40 A ball joint 46 in which a ring 47 is locked is fixed to the ring member 42, and a prism member is provided substantially at the center of the swinging shaft 43 and the locking portion 42 and on the left side wall of the rectangular member 40 in the drawing to be directed to the axle axis. Are fixed to the projection 41 in the lateral direction.

The second member 5 has a fixing portion 51 formed of a pentagonal plate-like member, a large-diameter hole corresponding to the axle formed at the center, and four holes formed around the center. Are fixed to the axle carrier 21 locked by the upper arm 22 and the lower arm 23 of the rear suspension 2 by the bolt holes, and the abutting portion 52 on the right side surface of the fixed portion 51 is provided with the prismatic protrusion 41 of the first member 4. Abuts on the lower portion of the fixing portion 51, and a prismatic projecting member 54 having a fixed length is integrally protruded from the lower portion of the fixing portion 51. It is configured to be locked to the ring 47 of the first member via the joint 55 and the ring 56 and to apply a tensile force.

As shown in FIG. 2 and FIG. 3, the load acting on the rear suspension 2 when the vehicle suddenly starts acting on the contact portion 52 of the second member 5 from the projection 41 of the first member 4. When the first member 4 swings clockwise due to the leftward load PL in FIG. 2 by the hydraulic shaker 3, the load P1 to be applied is determined by the arm ratio L1 / L2 from the swing shaft 43 and the hydraulic shaker. 3 and a load corresponding to the product of the load PL and the load PL.
Also swings clockwise, but the first member 4 and the second member 5
Is configured to be locked by the rings 47 and 56, so that only the rings 47 and 56 move relatively in a direction in which they do not engage, and a load does not act on the locking portion 53 of the second member 5. .

The load P2 corresponding to the load acting on the rear suspension 2 when the vehicle is suddenly braked, which acts on the engaging portion 42 of the first member 4 from the engaging portion 42 of the second member 5,
The first by the load PR in the right direction in FIG.
Of the second member 5 via the ball joint 46 and the ring 47 from the locking portion 42 of the first member 4, and from the ball joint 55 to the locking portion 53 via the ring 47. The load PR works as it is.

In the axle carrier vibrating jig of the first embodiment having the above-described structure, the hydraulic vibrator 3 applies the load PL in the left direction in FIG. 2 to the first member 4 via the ball joint 45. In this case, the projection 41 of the first member 4 acts on the contact portion 52 of the second member 5 to apply a load corresponding to the sudden start of the vehicle to the rear suspension 2 via the axle carrier 21.

When the hydraulic exciter 3 applies a rightward load PR in FIG. 2 to the first member 4 via the ball joint 45, the ball joint 46 and the ball joint 46 The ring 56 and the ball joint 55 of the second member 5 act on the locking portion 53 via the ring 47 to apply a load corresponding to the load acting on the rear suspension when the vehicle is suddenly braked via the axle carrier 21. On the rear suspension 2.

The axle carrier vibrating jig of the first embodiment having the above-described operation is provided by a single hydraulic vibrator 3 which controls the load at the time of starting and sudden braking of the vehicle depending on the direction of the load. Thus, it is possible to perform a fatigue test on the suspension mounting portion of the body by acting alternately on the body mounting portion via the.

(Second Embodiment) As shown in FIG. 6, the axle carrier vibrating jig of the second embodiment corresponds to a portion between the projecting portion 41 of the first member 4 and the engaging portion 42. The point that the swing shaft 43 is disposed at the right end of the portion is different from the configuration of the first embodiment. When the load PR is applied, the load in the opposite direction is simultaneously applied to the projecting portion 41 and the locking portion 42. Thus, it is possible to exert an effect on the body mounting portion via the rear suspension.

The embodiments described above are exemplarily described for the purpose of explanation, and the present invention is not limited to these embodiments. It will be understood by those skilled in the art from the claims of the utility model registration, the detailed description of the invention and the drawings. Modifications and additions are possible as long as they do not contravene the technical idea of the structure that can be recognized.

In the above-described embodiments, the examples in which loads in different directions are applied have been described. However, the locking portion 42 of the first member 4 is changed to a projection similar to the projection 41, and the first When a hydraulic vibrator is acted on a portion of the member 4 on which the protruding portion 41 and another protruding portion are provided and the portion on the opposite side of the swing shaft 43, different portions in the same direction are applied to different portions. It is possible to apply a load.

Further, in the above-described embodiment, instead of using the ring of the contact portion and the locking portion with the ring, a bearing mechanism without play is used.
It is also possible to engage with the point and to make both the loads PR and PL act on the axle carrier.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an axle carrier vibrating jig according to a first embodiment of the present invention.

FIG. 2 is a front view showing the axle carrier vibrating jig according to the first embodiment of the present invention.

FIG. 3 is a perspective view showing an axle carrier of a rear suspension to which the axle carrier vibrating jig of the first embodiment is fixed.

FIG. 4 is a perspective view showing a body of a one-box vehicle for performing a fatigue test using the axle carrier vibration jig of the first embodiment.

FIG. 5 is a perspective view showing a main part of a rear suspension of a one-box vehicle for performing a fatigue test using the axle carrier vibrating jig of the first embodiment.

FIG. 6 is a plan view showing an axle carrier vibrating jig according to a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 One-box vehicle 2 Rear suspension 3 Hydraulic shaker 4 1st member 5 2nd member 40 Rectangular member 41 Projection part 42, 53 Lock part 43 Oscillating shaft 44 Lock part 45 for shakers, 55 ball joint 51 fixing part 52 contact part 54 projecting member

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁶ , DB name) G01M 7/02 G01M 17/007

Claims (2)

(57) [Scope of request for utility model registration] A first portion which is locked to a vibrator and swings around a fulcrum, wherein a first portion is applied with a first acting force;
A first member having a second portion for applying a second acting force, a fixing portion for fixing the axle carrier, and a first acting force from the first portion of the first member are input. A second member having a first input portion and a second input portion which is locked to the second portion of the first member and receives a second acting force. Axle carrier vibration jig. 2. A member which is locked by a vibrator and swings around a fulcrum, and comprises a pressing portion for applying a pressing force toward an axle axis, and a pulling portion for pulling away from the axle axis. A first member, a fixing portion for fixing the axle carrier, a pressing receiving portion formed on a side wall of the fixing portion, to which a pressing portion of the first member abuts to input a pressing force, and a lower portion formed below the pressing portion. And a second member having a tension receiving portion to which a tension force of the tension portion is inputted, the second member having a tension receiving portion to which a tension force is applied by the tension portion.