JPH11258114A - Headlight tester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a headlight tester which is easy to be handled and is not affected by rough on a floor surface in a work place, while not interfering with usage of a floor surface, in an auto-repair shop. SOLUTION: A running rail 7 is laid out above a floor surface in a work place, and a mobile body 4 comprising a lateral moving part 6 which freely moves along the running rail 7 while lockable at a desired position, and a vertical moving part 5 which freely moves in the direction vertical to the running rail 7 while lockable at a desired position, is engaged with the running rail 7. Further, the mobile body 4 hangs a pillar 3 which can be controllable for extension/contraction and lockable at a desired length, and a supporting body 2 on which a headlight tester main body 1a is placed and fixed is protruded at a lower end of the pillar 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a headlight tester suitable for use in an automobile repair shop or the like.

[0002]

2. Description of the Related Art In vehicle maintenance for vehicle inspection, it is necessary to adjust the luminous intensity and optical axis of a headlight (headlamp).

According to JIS, the headlight of an automobile is 10
The luminous intensity and the deflection angle of the optical axis are to be measured in front of the m. However, this is impossible in a small or medium-sized car repair shop, so it is generally impossible to conserve light. The measurement is performed by a light tester (hereinafter referred to as a headlight tester).

The headlight tester has a condenser lens for converging headlights provided on the front surface of a housing, a screen for receiving convergent light from the condenser lens, and a photometric sensor. It is known that the housing itself is moved up and down, left and right so as to face a light source, swings, or has an automatic tracking device.

[0005] In the conventional headlight tester, the above-mentioned measurement is carried out by placing it on a trolley and moving it on a grooved rail buried in the floor of a work place of an automobile repair shop.

[0006]

If the groove-shaped rail for performing the measurement is installed on the floor of the work place, there is a problem that the unevenness of the work may hinder other work.

[0007] Further, if the headlight tester is placed on the floor, there is a problem that it obstructs the running of the vehicle or the available floor of the work place becomes narrow.

An object of the present invention is to solve these problems and to provide an easy-to-handle headlight tester that does not hinder use of the floor of a work place.

[0009]

According to the present invention, in order to achieve the above-mentioned object, a traveling rail is provided horizontally above a floor of a work place, and a moving body is freely movable along the traveling rail on the traveling rail. A lockable engagement at a position, a hanging supportable column of a desired length capable of controlling expansion and contraction with the movable body is supported, and a headlight tester main body is provided at a lower end portion of the support.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A headlight tester 1 according to the present invention.
FIG. 1 shows a front view of the first embodiment, and FIG. 2 shows a side view thereof.

1a is a headlight tester main body,
A condenser lens 1b is provided on the front surface, and a projector 1c and the condenser lens 1b are provided inside the headlight tester main body 1a.
And a photometric sensor (both not shown) for receiving the convergent light from the camera.

Reference numeral 2 denotes a support, and the support 2 is an elevator 2a.
And an upper pedestal 2b rotatably and tiltably mounted on the elevating platform 2a. The upper base 2b is formed so as to be lockable at a desired rotation angle and a desired tilt angle.

The headlight tester main body 1a is mounted and fixed on the upper frame 2b.

The elevating table 2a is provided at the lower end of a column 3 which extends and contracts freely.

Reference numeral 2c denotes a level for checking the level of the lift 2a.

The column 3 is formed so as to be telescopically expandable and contractible by sequentially inserting a plurality of pipes having different diameters, and is supported by a moving body 4 to be described later. FIG.
2 and the two-dot chain line in FIG. 2 show a state where the support 3 is extended.

Reference numeral 3a denotes a string-like body for expanding and contracting the support column 3. The string-like body 3a has one end connected to the lower end of the support column 3 and inserted through the inside of the support column 3, and the other end moves. Body 4
And the cord 3a
Is wound around a pulley 3c installed on the moving body 4 in the middle thereof, and a balance weight 3e is vertically suspended via a pulley 3d so as to be able to move up and down.

That is, the column 3 expands and contracts and the pulley 3
c feeds out the cord 3a, and the cord 3a
The structure does not cause slack.

The moving body 4 comprises a vertical moving section 5 and a horizontal moving section 6.

FIG. 3 is a perspective view of a part of the moving body 4.

First, the vertical moving portion 5 movably engages two pairs of upper and lower rollers 5b, 5c provided inside each of the side edges 5a, 5a erected on both sides with the guide rail 6a. And the column 3 is provided below the vertical moving portion 5.
Hanging and supporting.

The guide rail 6a uses the lower side of an H-shaped steel 6b placed in an I-shape, and the upper roller 5b
Are suspended on the left and right upper surfaces of the guide rail 6a and rolled, and the lower roller 5c rolls on the lower surface of the guide rail 6a to prevent the vertical moving portion 5 from swinging up and down. I have. Then, a brake is provided in the side edge portion 5a, and the brake is operated to stop at a desired position and lock.

Next, the lateral moving section 6 fixes a pair of axle housings 6c before and after the H-shaped steel 6b, and horizontally mounts two wheels 6d installed on these axle housings 6c above the working chamber. The traveling rails 7 are engaged with the two traveling rails 7
It is formed to be movable on the upper side. Then, a brake is provided in the axle housing 6c, and the brake is operated to stop at a desired position and lock.

Incidentally, a steel pipe is used for the rail 7.

The lower part of the axle housing 6c is bent laterally to form a protruding portion 6f, and the protruding portion 6f is arranged close to the lower side of the rail 7 so that the lateral moving portion 6c is formed.
Is formed in such a structure that the vertical swing of the vehicle is prevented by the wheels 6d and the protruding portions 6f.

Next, an operation method according to this embodiment will be described.

The vehicle to be inspected is stopped at a substantially predetermined position in the work place.

At this time, since the traveling rail 7 of the headlight tester 1 is installed at right angles to the front of the vehicle, the lateral moving section 6 and the telescopic column 3 are operated to operate the headlight tester 1. The main body 1a can be moved substantially in front of the right or left headlamp of the vehicle.

Next, the distance between the front of the headlamp and the headlight tester main body 1a is set to a predetermined distance (for example, 1).
The adjustment to m) may be performed by operating the vertical moving unit 5.

Next, the direction and inclination of the upper gantry 2b are adjusted so that the light emitted from the light projector 1c in the headlight tester main body 1a matches the center of the vehicle. Next, light is projected toward the headlamp, and the headlight tester main body 1a is moved up, down, left, and right so that the projected light is projected just in front of the headlamp.

In this way, the head lamp and the headlight tester main body 1a to be inspected face each other, and the luminous intensity and the deflection angle of the optical axis of the headlight are measured correctly.

The string-like body 3a for extending and retracting the support column 3
In order to balance the weight of the headlight tester main body 1a and the support base 2 by suspending the balance weight 3e in the middle of the process, the headlight tester main body 1a is manually raised and lowered to stop at an arbitrary height. Is easy.

The pulley 3c is a motor driven type,
The column 3 may be raised and lowered not by manual operation but by control of a motor.

The elevator 2a may be provided with legs so that it can be installed on the floor.

A second embodiment of the headlight tester 1 of the present invention will be described with reference to FIGS.

This embodiment is the same as the first embodiment except that the headlight tester main body 8 is used in place of the headlight tester main body 1a in the first embodiment.

In the first embodiment, the light projector 1c is provided inside the headlight tester main body 1a. However, in the headlight tester main body 8 of the second embodiment, the front center of the condenser lens 8a is provided. The projector 9 for projecting the cross light was detachably installed.

That is, the rear of the projector 9 is fixed to a bracket 9b which can be flipped up. When the bracket 9b is lowered to the front of the condenser lens 8a, the direction of the projector 9 is condensed as shown in FIG. The lens is located at right angles to the surface of the lens 8a.

When the bracket 9b is flipped up, FIG.
As shown in (2), the light projector 9 moves to the upper rear part of the headlight tester main body 8, and there is no one that blocks the front surface of the condenser lens 8a.

Next, an operation method according to the second embodiment will be described.

As in the case of the first embodiment, the headlight tester main body 8 is moved substantially in front of the headlamp of the automobile, and the distance between the front of the headlamp and the headlight tester main body 8 is set to a predetermined value. Adjust to the distance.

Next, the bracket 9b is lowered, the projector 9 is directed toward the headlamp of the automobile, and a laser beam or the like is projected through the cross-shaped slit 9a, and the head is irradiated in the same manner as in the first embodiment. The lamp 9 and the headlight tester main body 8 are directly opposed to each other, and the bracket 9b is flipped up to measure the luminous intensity of the headlight and the deflection angle of the optical axis.

The headlight tester main body 8 of this embodiment has the advantages of a simpler structure and lower cost than the headlight tester main body 1a of the first embodiment.

[0044]

As described above, according to the present invention, it is possible to provide a headlight tester which is not affected by the unevenness of the floor of the work place and does not hinder the use of the floor.

[Brief description of the drawings]

FIG. 1 is a front view of a headlight tester according to a first embodiment of the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is a perspective view of the moving body according to the first embodiment.

FIG. 4 is a partial perspective view of a headlight tester according to a second embodiment of the present invention.

FIG. 5 is a partial perspective view showing another state of the second embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Headlight tester 1a, 8 Headlight tester main body 1c, 9 Floodlight 2 Support 3 Support 3a String 3c, 3d Pulley 3e Balance weight 4 Moving body 7 Running rail

Claims (7)

[Claims] 1. A traveling rail is provided laterally above a floor of a work place, and a moving body is movably engaged with the traveling rail along the traveling rail so as to be lockable at a desired position. A headlight tester comprising: a column which can be extended and contracted and which can be locked to a desired length and which is lockable; and a headlight tester body provided at a lower end of the column. 2. The headlight tester according to claim 1, wherein the column is supported by the movable body so as to be movable in a direction perpendicular to the traveling rail and lockable at a desired position. 3. The headlight tester main body is rotatably and tiltably protruded from a lower end portion of the column, and is mounted and fixed on a support that can be locked at a desired rotation angle or tilt angle. The headlight tester according to claim 1 or 2, wherein: 4. The headlight tester according to claim 1, wherein the strut is formed in a structure that expands and contracts by extending and retracting a cord-like body inserted through the strut. 5. The headlight tester according to claim 1, wherein a light projector for projecting cross light is detachably provided on a front surface of the headlight tester main body. 6. The head according to claim 4, wherein the string-shaped body has one end locked to the moving body, and a balance weight slidably suspended from a pulley via a pulley on the way. Light tester. 7. The headlight tester according to claim 6, wherein the string-like body moves up and down in conjunction with forward and reverse rotation of a motor.